diff --git a/.github/workflows/unused-dependencies.yml b/.github/workflows/unused-dependencies.yml
index eb6048bae..cdf016d72 100644
--- a/.github/workflows/unused-dependencies.yml
+++ b/.github/workflows/unused-dependencies.yml
@@ -21,7 +21,7 @@ jobs:
           node-version: '22.x'
       - name: 'Run depcheck'
         run: |
-          npx depcheck --skip-missing --ignores="tsx,@babel/*,@commitlint/*,eslint,eslint-*,husky,mocha,ts-mocha,ts-node,concurrently,nyc,prettier,typescript,tsconfig-paths,vite-tsconfig-paths,@types/sinon,quicktype,history,@types/domutils"
+          npx depcheck --skip-missing --ignores="tsx,@babel/*,@commitlint/*,eslint,eslint-*,husky,ts-node,concurrently,nyc,prettier,typescript,tsconfig-paths,vite-tsconfig-paths,quicktype,history,@types/domutils,@vitest/coverage-v8"
           echo $?
           if [[ $? == 1 ]]; then
             echo "Unused dependencies or devDependencies found"
diff --git a/config.schema.json b/config.schema.json
index a0c5c223e..5c0ac78cd 100644
--- a/config.schema.json
+++ b/config.schema.json
@@ -434,6 +434,10 @@
                 "password": {
                   "type": "string",
                   "description": "Password for the given `username`."
+                },
+                "searchBase": {
+                  "type": "string",
+                  "description": "Override baseDN to query for users in other OUs or sub-trees."
                 }
               },
               "required": ["url", "baseDN", "username", "password"]
@@ -496,6 +500,14 @@
         "adminOnly": { "type": "boolean" },
         "loginRequired": { "type": "boolean" }
       }
+    },
+    "roleMapping": {
+      "type": "object",
+      "description": "Mapping of application roles to JWT claims. Each key is a role name, and its value is an object mapping claim names to expected values.",
+      "additionalProperties": {
+        "type": "object",
+        "additionalProperties": { "type": "string" }
+      }
     }
   },
   "additionalProperties": false
diff --git a/cypress/e2e/login.cy.js b/cypress/e2e/login.cy.js
index 40ce83a75..418109b5b 100644
--- a/cypress/e2e/login.cy.js
+++ b/cypress/e2e/login.cy.js
@@ -20,7 +20,7 @@ describe('Login page', () => {
   });
 
   it('should redirect to repo list on valid login', () => {
-    cy.intercept('GET', '**/api/auth/me').as('getUser');
+    cy.intercept('GET', '**/api/auth/profile').as('getUser');
 
     cy.get('[data-test="username"]').type('admin');
     cy.get('[data-test="password"]').type('admin');
diff --git a/cypress/support/commands.js b/cypress/support/commands.js
index a0a3f620d..5117d6cfc 100644
--- a/cypress/support/commands.js
+++ b/cypress/support/commands.js
@@ -29,7 +29,7 @@
 Cypress.Commands.add('login', (username, password) => {
   cy.session([username, password], () => {
     cy.visit('/login');
-    cy.intercept('GET', '**/api/auth/me').as('getUser');
+    cy.intercept('GET', '**/api/auth/profile').as('getUser');
 
     cy.get('[data-test=username]').type(username);
     cy.get('[data-test=password]').type(password);
diff --git a/eslint.config.mjs b/eslint.config.mjs
index 284e94b91..38c953971 100644
--- a/eslint.config.mjs
+++ b/eslint.config.mjs
@@ -149,6 +149,7 @@ export default defineConfig(
       ],
       // allow for chai `expect().to.xyz`
       '@typescript-eslint/no-unused-expressions': 'off',
+      'new-cap': ['error', { capIsNewExceptionPattern: '^express\\..*' }],
     },
   },
 
diff --git a/package-lock.json b/package-lock.json
index c32dd467b..138756ef0 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -50,6 +50,7 @@
         "react-html-parser": "^2.0.2",
         "react-router-dom": "6.30.2",
         "simple-git": "^3.30.0",
+        "supertest": "^7.1.4",
         "uuid": "^11.1.0",
         "validator": "^13.15.23",
         "yargs": "^17.7.2"
@@ -76,18 +77,16 @@
         "@types/jwk-to-pem": "^2.0.3",
         "@types/lodash": "^4.17.20",
         "@types/lusca": "^1.7.5",
-        "@types/mocha": "^10.0.10",
         "@types/node": "^22.19.1",
         "@types/passport": "^1.0.17",
         "@types/passport-local": "^1.0.38",
         "@types/react-dom": "^17.0.26",
         "@types/react-html-parser": "^2.0.7",
-        "@types/sinon": "^17.0.4",
+        "@types/supertest": "^6.0.3",
         "@types/validator": "^13.15.9",
         "@types/yargs": "^17.0.35",
         "@vitejs/plugin-react": "^4.7.0",
-        "chai": "^4.5.0",
-        "chai-http": "^4.4.0",
+        "@vitest/coverage-v8": "^3.2.4",
         "cypress": "^15.6.0",
         "eslint": "^9.39.1",
         "eslint-config-prettier": "^10.1.8",
@@ -97,20 +96,16 @@
         "globals": "^16.5.0",
         "husky": "^9.1.7",
         "lint-staged": "^16.2.6",
-        "mocha": "^10.8.2",
         "nyc": "^17.1.0",
         "prettier": "^3.6.2",
-        "proxyquire": "^2.1.3",
         "quicktype": "^23.2.6",
-        "sinon": "^21.0.0",
-        "sinon-chai": "^3.7.0",
-        "ts-mocha": "^11.1.0",
         "ts-node": "^10.9.2",
         "tsx": "^4.20.6",
         "typescript": "^5.9.3",
         "typescript-eslint": "^8.46.4",
-        "vite": "^4.5.14",
-        "vite-tsconfig-paths": "^5.1.4"
+        "vite": "^7.1.9",
+        "vite-tsconfig-paths": "^5.1.4",
+        "vitest": "^3.2.4"
       },
       "engines": {
         "node": ">=20.19.2"
@@ -130,6 +125,20 @@
         "node": ">=0.10.0"
       }
     },
+    "node_modules/@ampproject/remapping": {
+      "version": "2.3.0",
+      "resolved": "https://registry.npmjs.org/@ampproject/remapping/-/remapping-2.3.0.tgz",
+      "integrity": "sha512-30iZtAPgz+LTIYoeivqYo853f02jBYSd5uGnGpkFV0M3xOt9aN73erkgYAmZU43x4VfqcnLxW9Kpg3R5LC4YYw==",
+      "dev": true,
+      "license": "Apache-2.0",
+      "dependencies": {
+        "@jridgewell/gen-mapping": "^0.3.5",
+        "@jridgewell/trace-mapping": "^0.3.24"
+      },
+      "engines": {
+        "node": ">=6.0.0"
+      }
+    },
     "node_modules/@babel/code-frame": {
       "version": "7.27.1",
       "dev": true,
@@ -505,6 +514,16 @@
         "node": ">=6.9.0"
       }
     },
+    "node_modules/@bcoe/v8-coverage": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/@bcoe/v8-coverage/-/v8-coverage-1.0.2.tgz",
+      "integrity": "sha512-6zABk/ECA/QYSCQ1NGiVwwbQerUCZ+TQbp64Q3AgmfNvurHH0j8TtXa1qbShXA6qqkpAj4V5W8pP6mLe1mcMqA==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": ">=18"
+      }
+    },
     "node_modules/@commitlint/cli": {
       "version": "19.8.1",
       "dev": true,
@@ -941,9 +960,9 @@
       "license": "MIT"
     },
     "node_modules/@esbuild/aix-ppc64": {
-      "version": "0.25.10",
-      "resolved": "https://registry.npmjs.org/@esbuild/aix-ppc64/-/aix-ppc64-0.25.10.tgz",
-      "integrity": "sha512-0NFWnA+7l41irNuaSVlLfgNT12caWJVLzp5eAVhZ0z1qpxbockccEt3s+149rE64VUI3Ml2zt8Nv5JVc4QXTsw==",
+      "version": "0.25.11",
+      "resolved": "https://registry.npmjs.org/@esbuild/aix-ppc64/-/aix-ppc64-0.25.11.tgz",
+      "integrity": "sha512-Xt1dOL13m8u0WE8iplx9Ibbm+hFAO0GsU2P34UNoDGvZYkY8ifSiy6Zuc1lYxfG7svWE2fzqCUmFp5HCn51gJg==",
       "cpu": [
         "ppc64"
       ],
@@ -958,9 +977,9 @@
       }
     },
     "node_modules/@esbuild/android-arm": {
-      "version": "0.18.20",
-      "resolved": "https://registry.npmjs.org/@esbuild/android-arm/-/android-arm-0.18.20.tgz",
-      "integrity": "sha512-fyi7TDI/ijKKNZTUJAQqiG5T7YjJXgnzkURqmGj13C6dCqckZBLdl4h7bkhHt/t0WP+zO9/zwroDvANaOqO5Sw==",
+      "version": "0.25.11",
+      "resolved": "https://registry.npmjs.org/@esbuild/android-arm/-/android-arm-0.25.11.tgz",
+      "integrity": "sha512-uoa7dU+Dt3HYsethkJ1k6Z9YdcHjTrSb5NUy66ZfZaSV8hEYGD5ZHbEMXnqLFlbBflLsl89Zke7CAdDJ4JI+Gg==",
       "cpu": [
         "arm"
       ],
@@ -971,13 +990,13 @@
         "android"
       ],
       "engines": {
-        "node": ">=12"
+        "node": ">=18"
       }
     },
     "node_modules/@esbuild/android-arm64": {
-      "version": "0.18.20",
-      "resolved": "https://registry.npmjs.org/@esbuild/android-arm64/-/android-arm64-0.18.20.tgz",
-      "integrity": "sha512-Nz4rJcchGDtENV0eMKUNa6L12zz2zBDXuhj/Vjh18zGqB44Bi7MBMSXjgunJgjRhCmKOjnPuZp4Mb6OKqtMHLQ==",
+      "version": "0.25.11",
+      "resolved": "https://registry.npmjs.org/@esbuild/android-arm64/-/android-arm64-0.25.11.tgz",
+      "integrity": "sha512-9slpyFBc4FPPz48+f6jyiXOx/Y4v34TUeDDXJpZqAWQn/08lKGeD8aDp9TMn9jDz2CiEuHwfhRmGBvpnd/PWIQ==",
       "cpu": [
         "arm64"
       ],
@@ -988,13 +1007,13 @@
         "android"
       ],
       "engines": {
-        "node": ">=12"
+        "node": ">=18"
       }
     },
     "node_modules/@esbuild/android-x64": {
-      "version": "0.18.20",
-      "resolved": "https://registry.npmjs.org/@esbuild/android-x64/-/android-x64-0.18.20.tgz",
-      "integrity": "sha512-8GDdlePJA8D6zlZYJV/jnrRAi6rOiNaCC/JclcXpB+KIuvfBN4owLtgzY2bsxnx666XjJx2kDPUmnTtR8qKQUg==",
+      "version": "0.25.11",
+      "resolved": "https://registry.npmjs.org/@esbuild/android-x64/-/android-x64-0.25.11.tgz",
+      "integrity": "sha512-Sgiab4xBjPU1QoPEIqS3Xx+R2lezu0LKIEcYe6pftr56PqPygbB7+szVnzoShbx64MUupqoE0KyRlN7gezbl8g==",
       "cpu": [
         "x64"
       ],
@@ -1005,7 +1024,7 @@
         "android"
       ],
       "engines": {
-        "node": ">=12"
+        "node": ">=18"
       }
     },
     "node_modules/@esbuild/darwin-arm64": {
@@ -1041,9 +1060,9 @@
       }
     },
     "node_modules/@esbuild/freebsd-arm64": {
-      "version": "0.18.20",
-      "resolved": "https://registry.npmjs.org/@esbuild/freebsd-arm64/-/freebsd-arm64-0.18.20.tgz",
-      "integrity": "sha512-yqDQHy4QHevpMAaxhhIwYPMv1NECwOvIpGCZkECn8w2WFHXjEwrBn3CeNIYsibZ/iZEUemj++M26W3cNR5h+Tw==",
+      "version": "0.25.11",
+      "resolved": "https://registry.npmjs.org/@esbuild/freebsd-arm64/-/freebsd-arm64-0.25.11.tgz",
+      "integrity": "sha512-CmKjrnayyTJF2eVuO//uSjl/K3KsMIeYeyN7FyDBjsR3lnSJHaXlVoAK8DZa7lXWChbuOk7NjAc7ygAwrnPBhA==",
       "cpu": [
         "arm64"
       ],
@@ -1054,13 +1073,13 @@
         "freebsd"
       ],
       "engines": {
-        "node": ">=12"
+        "node": ">=18"
       }
     },
     "node_modules/@esbuild/freebsd-x64": {
-      "version": "0.18.20",
-      "resolved": "https://registry.npmjs.org/@esbuild/freebsd-x64/-/freebsd-x64-0.18.20.tgz",
-      "integrity": "sha512-tgWRPPuQsd3RmBZwarGVHZQvtzfEBOreNuxEMKFcd5DaDn2PbBxfwLcj4+aenoh7ctXcbXmOQIn8HI6mCSw5MQ==",
+      "version": "0.25.11",
+      "resolved": "https://registry.npmjs.org/@esbuild/freebsd-x64/-/freebsd-x64-0.25.11.tgz",
+      "integrity": "sha512-Dyq+5oscTJvMaYPvW3x3FLpi2+gSZTCE/1ffdwuM6G1ARang/mb3jvjxs0mw6n3Lsw84ocfo9CrNMqc5lTfGOw==",
       "cpu": [
         "x64"
       ],
@@ -1071,13 +1090,13 @@
         "freebsd"
       ],
       "engines": {
-        "node": ">=12"
+        "node": ">=18"
       }
     },
     "node_modules/@esbuild/linux-arm": {
-      "version": "0.18.20",
-      "resolved": "https://registry.npmjs.org/@esbuild/linux-arm/-/linux-arm-0.18.20.tgz",
-      "integrity": "sha512-/5bHkMWnq1EgKr1V+Ybz3s1hWXok7mDFUMQ4cG10AfW3wL02PSZi5kFpYKrptDsgb2WAJIvRcDm+qIvXf/apvg==",
+      "version": "0.25.11",
+      "resolved": "https://registry.npmjs.org/@esbuild/linux-arm/-/linux-arm-0.25.11.tgz",
+      "integrity": "sha512-TBMv6B4kCfrGJ8cUPo7vd6NECZH/8hPpBHHlYI3qzoYFvWu2AdTvZNuU/7hsbKWqu/COU7NIK12dHAAqBLLXgw==",
       "cpu": [
         "arm"
       ],
@@ -1088,13 +1107,13 @@
         "linux"
       ],
       "engines": {
-        "node": ">=12"
+        "node": ">=18"
       }
     },
     "node_modules/@esbuild/linux-arm64": {
-      "version": "0.18.20",
-      "resolved": "https://registry.npmjs.org/@esbuild/linux-arm64/-/linux-arm64-0.18.20.tgz",
-      "integrity": "sha512-2YbscF+UL7SQAVIpnWvYwM+3LskyDmPhe31pE7/aoTMFKKzIc9lLbyGUpmmb8a8AixOL61sQ/mFh3jEjHYFvdA==",
+      "version": "0.25.11",
+      "resolved": "https://registry.npmjs.org/@esbuild/linux-arm64/-/linux-arm64-0.25.11.tgz",
+      "integrity": "sha512-Qr8AzcplUhGvdyUF08A1kHU3Vr2O88xxP0Tm8GcdVOUm25XYcMPp2YqSVHbLuXzYQMf9Bh/iKx7YPqECs6ffLA==",
       "cpu": [
         "arm64"
       ],
@@ -1105,13 +1124,13 @@
         "linux"
       ],
       "engines": {
-        "node": ">=12"
+        "node": ">=18"
       }
     },
     "node_modules/@esbuild/linux-ia32": {
-      "version": "0.18.20",
-      "resolved": "https://registry.npmjs.org/@esbuild/linux-ia32/-/linux-ia32-0.18.20.tgz",
-      "integrity": "sha512-P4etWwq6IsReT0E1KHU40bOnzMHoH73aXp96Fs8TIT6z9Hu8G6+0SHSw9i2isWrD2nbx2qo5yUqACgdfVGx7TA==",
+      "version": "0.25.11",
+      "resolved": "https://registry.npmjs.org/@esbuild/linux-ia32/-/linux-ia32-0.25.11.tgz",
+      "integrity": "sha512-TmnJg8BMGPehs5JKrCLqyWTVAvielc615jbkOirATQvWWB1NMXY77oLMzsUjRLa0+ngecEmDGqt5jiDC6bfvOw==",
       "cpu": [
         "ia32"
       ],
@@ -1122,13 +1141,13 @@
         "linux"
       ],
       "engines": {
-        "node": ">=12"
+        "node": ">=18"
       }
     },
     "node_modules/@esbuild/linux-loong64": {
-      "version": "0.18.20",
-      "resolved": "https://registry.npmjs.org/@esbuild/linux-loong64/-/linux-loong64-0.18.20.tgz",
-      "integrity": "sha512-nXW8nqBTrOpDLPgPY9uV+/1DjxoQ7DoB2N8eocyq8I9XuqJ7BiAMDMf9n1xZM9TgW0J8zrquIb/A7s3BJv7rjg==",
+      "version": "0.25.11",
+      "resolved": "https://registry.npmjs.org/@esbuild/linux-loong64/-/linux-loong64-0.25.11.tgz",
+      "integrity": "sha512-DIGXL2+gvDaXlaq8xruNXUJdT5tF+SBbJQKbWy/0J7OhU8gOHOzKmGIlfTTl6nHaCOoipxQbuJi7O++ldrxgMw==",
       "cpu": [
         "loong64"
       ],
@@ -1139,13 +1158,13 @@
         "linux"
       ],
       "engines": {
-        "node": ">=12"
+        "node": ">=18"
       }
     },
     "node_modules/@esbuild/linux-mips64el": {
-      "version": "0.18.20",
-      "resolved": "https://registry.npmjs.org/@esbuild/linux-mips64el/-/linux-mips64el-0.18.20.tgz",
-      "integrity": "sha512-d5NeaXZcHp8PzYy5VnXV3VSd2D328Zb+9dEq5HE6bw6+N86JVPExrA6O68OPwobntbNJ0pzCpUFZTo3w0GyetQ==",
+      "version": "0.25.11",
+      "resolved": "https://registry.npmjs.org/@esbuild/linux-mips64el/-/linux-mips64el-0.25.11.tgz",
+      "integrity": "sha512-Osx1nALUJu4pU43o9OyjSCXokFkFbyzjXb6VhGIJZQ5JZi8ylCQ9/LFagolPsHtgw6himDSyb5ETSfmp4rpiKQ==",
       "cpu": [
         "mips64el"
       ],
@@ -1156,13 +1175,13 @@
         "linux"
       ],
       "engines": {
-        "node": ">=12"
+        "node": ">=18"
       }
     },
     "node_modules/@esbuild/linux-ppc64": {
-      "version": "0.18.20",
-      "resolved": "https://registry.npmjs.org/@esbuild/linux-ppc64/-/linux-ppc64-0.18.20.tgz",
-      "integrity": "sha512-WHPyeScRNcmANnLQkq6AfyXRFr5D6N2sKgkFo2FqguP44Nw2eyDlbTdZwd9GYk98DZG9QItIiTlFLHJHjxP3FA==",
+      "version": "0.25.11",
+      "resolved": "https://registry.npmjs.org/@esbuild/linux-ppc64/-/linux-ppc64-0.25.11.tgz",
+      "integrity": "sha512-nbLFgsQQEsBa8XSgSTSlrnBSrpoWh7ioFDUmwo158gIm5NNP+17IYmNWzaIzWmgCxq56vfr34xGkOcZ7jX6CPw==",
       "cpu": [
         "ppc64"
       ],
@@ -1173,13 +1192,13 @@
         "linux"
       ],
       "engines": {
-        "node": ">=12"
+        "node": ">=18"
       }
     },
     "node_modules/@esbuild/linux-riscv64": {
-      "version": "0.18.20",
-      "resolved": "https://registry.npmjs.org/@esbuild/linux-riscv64/-/linux-riscv64-0.18.20.tgz",
-      "integrity": "sha512-WSxo6h5ecI5XH34KC7w5veNnKkju3zBRLEQNY7mv5mtBmrP/MjNBCAlsM2u5hDBlS3NGcTQpoBvRzqBcRtpq1A==",
+      "version": "0.25.11",
+      "resolved": "https://registry.npmjs.org/@esbuild/linux-riscv64/-/linux-riscv64-0.25.11.tgz",
+      "integrity": "sha512-HfyAmqZi9uBAbgKYP1yGuI7tSREXwIb438q0nqvlpxAOs3XnZ8RsisRfmVsgV486NdjD7Mw2UrFSw51lzUk1ww==",
       "cpu": [
         "riscv64"
       ],
@@ -1190,13 +1209,13 @@
         "linux"
       ],
       "engines": {
-        "node": ">=12"
+        "node": ">=18"
       }
     },
     "node_modules/@esbuild/linux-s390x": {
-      "version": "0.18.20",
-      "resolved": "https://registry.npmjs.org/@esbuild/linux-s390x/-/linux-s390x-0.18.20.tgz",
-      "integrity": "sha512-+8231GMs3mAEth6Ja1iK0a1sQ3ohfcpzpRLH8uuc5/KVDFneH6jtAJLFGafpzpMRO6DzJ6AvXKze9LfFMrIHVQ==",
+      "version": "0.25.11",
+      "resolved": "https://registry.npmjs.org/@esbuild/linux-s390x/-/linux-s390x-0.25.11.tgz",
+      "integrity": "sha512-HjLqVgSSYnVXRisyfmzsH6mXqyvj0SA7pG5g+9W7ESgwA70AXYNpfKBqh1KbTxmQVaYxpzA/SvlB9oclGPbApw==",
       "cpu": [
         "s390x"
       ],
@@ -1207,7 +1226,7 @@
         "linux"
       ],
       "engines": {
-        "node": ">=12"
+        "node": ">=18"
       }
     },
     "node_modules/@esbuild/linux-x64": {
@@ -1227,9 +1246,9 @@
       }
     },
     "node_modules/@esbuild/netbsd-arm64": {
-      "version": "0.25.10",
-      "resolved": "https://registry.npmjs.org/@esbuild/netbsd-arm64/-/netbsd-arm64-0.25.10.tgz",
-      "integrity": "sha512-AKQM3gfYfSW8XRk8DdMCzaLUFB15dTrZfnX8WXQoOUpUBQ+NaAFCP1kPS/ykbbGYz7rxn0WS48/81l9hFl3u4A==",
+      "version": "0.25.11",
+      "resolved": "https://registry.npmjs.org/@esbuild/netbsd-arm64/-/netbsd-arm64-0.25.11.tgz",
+      "integrity": "sha512-hr9Oxj1Fa4r04dNpWr3P8QKVVsjQhqrMSUzZzf+LZcYjZNqhA3IAfPQdEh1FLVUJSiu6sgAwp3OmwBfbFgG2Xg==",
       "cpu": [
         "arm64"
       ],
@@ -1244,9 +1263,9 @@
       }
     },
     "node_modules/@esbuild/netbsd-x64": {
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+        "node": "^18.0.0 || ^20.0.0 || >=22.0.0"
+      },
+      "funding": {
+        "url": "https://opencollective.com/vitest"
+      }
+    },
     "node_modules/vite-tsconfig-paths": {
       "version": "5.1.4",
       "dev": true,
@@ -12870,6 +12801,231 @@
         }
       }
     },
+    "node_modules/vite/node_modules/fdir": {
+      "version": "6.5.0",
+      "resolved": "https://registry.npmjs.org/fdir/-/fdir-6.5.0.tgz",
+      "integrity": "sha512-tIbYtZbucOs0BRGqPJkshJUYdL+SDH7dVM8gjy+ERp3WAUjLEFJE+02kanyHtwjWOnwrKYBiwAmM0p4kLJAnXg==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": ">=12.0.0"
+      },
+      "peerDependencies": {
+        "picomatch": "^3 || ^4"
+      },
+      "peerDependenciesMeta": {
+        "picomatch": {
+          "optional": true
+        }
+      }
+    },
+    "node_modules/vite/node_modules/picomatch": {
+      "version": "4.0.3",
+      "resolved": "https://registry.npmjs.org/picomatch/-/picomatch-4.0.3.tgz",
+      "integrity": "sha512-5gTmgEY/sqK6gFXLIsQNH19lWb4ebPDLA4SdLP7dsWkIXHWlG66oPuVvXSGFPppYZz8ZDZq0dYYrbHfBCVUb1Q==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": ">=12"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/jonschlinkert"
+      }
+    },
+    "node_modules/vitest": {
+      "version": "3.2.4",
+      "resolved": "https://registry.npmjs.org/vitest/-/vitest-3.2.4.tgz",
+      "integrity": "sha512-LUCP5ev3GURDysTWiP47wRRUpLKMOfPh+yKTx3kVIEiu5KOMeqzpnYNsKyOoVrULivR8tLcks4+lga33Whn90A==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "@types/chai": "^5.2.2",
+        "@vitest/expect": "3.2.4",
+        "@vitest/mocker": "3.2.4",
+        "@vitest/pretty-format": "^3.2.4",
+        "@vitest/runner": "3.2.4",
+        "@vitest/snapshot": "3.2.4",
+        "@vitest/spy": "3.2.4",
+        "@vitest/utils": "3.2.4",
+        "chai": "^5.2.0",
+        "debug": "^4.4.1",
+        "expect-type": "^1.2.1",
+        "magic-string": "^0.30.17",
+        "pathe": "^2.0.3",
+        "picomatch": "^4.0.2",
+        "std-env": "^3.9.0",
+        "tinybench": "^2.9.0",
+        "tinyexec": "^0.3.2",
+        "tinyglobby": "^0.2.14",
+        "tinypool": "^1.1.1",
+        "tinyrainbow": "^2.0.0",
+        "vite": "^5.0.0 || ^6.0.0 || ^7.0.0-0",
+        "vite-node": "3.2.4",
+        "why-is-node-running": "^2.3.0"
+      },
+      "bin": {
+        "vitest": "vitest.mjs"
+      },
+      "engines": {
+        "node": "^18.0.0 || ^20.0.0 || >=22.0.0"
+      },
+      "funding": {
+        "url": "https://opencollective.com/vitest"
+      },
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+        "@types/debug": "^4.1.12",
+        "@types/node": "^18.0.0 || ^20.0.0 || >=22.0.0",
+        "@vitest/browser": "3.2.4",
+        "@vitest/ui": "3.2.4",
+        "happy-dom": "*",
+        "jsdom": "*"
+      },
+      "peerDependenciesMeta": {
+        "@edge-runtime/vm": {
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+        "@types/debug": {
+          "optional": true
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+          "optional": true
+        },
+        "@vitest/browser": {
+          "optional": true
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+        "@vitest/ui": {
+          "optional": true
+        },
+        "happy-dom": {
+          "optional": true
+        },
+        "jsdom": {
+          "optional": true
+        }
+      }
+    },
+    "node_modules/vitest/node_modules/@types/chai": {
+      "version": "5.2.2",
+      "resolved": "https://registry.npmjs.org/@types/chai/-/chai-5.2.2.tgz",
+      "integrity": "sha512-8kB30R7Hwqf40JPiKhVzodJs2Qc1ZJ5zuT3uzw5Hq/dhNCl3G3l83jfpdI1e20BP348+fV7VIL/+FxaXkqBmWg==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "@types/deep-eql": "*"
+      }
+    },
+    "node_modules/vitest/node_modules/@vitest/mocker": {
+      "version": "3.2.4",
+      "resolved": "https://registry.npmjs.org/@vitest/mocker/-/mocker-3.2.4.tgz",
+      "integrity": "sha512-46ryTE9RZO/rfDd7pEqFl7etuyzekzEhUbTW3BvmeO/BcCMEgq59BKhek3dXDWgAj4oMK6OZi+vRr1wPW6qjEQ==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "@vitest/spy": "3.2.4",
+        "estree-walker": "^3.0.3",
+        "magic-string": "^0.30.17"
+      },
+      "funding": {
+        "url": "https://opencollective.com/vitest"
+      },
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+        "msw": "^2.4.9",
+        "vite": "^5.0.0 || ^6.0.0 || ^7.0.0-0"
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+        "msw": {
+          "optional": true
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+        "vite": {
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+        }
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+    "node_modules/vitest/node_modules/assertion-error": {
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+      "resolved": "https://registry.npmjs.org/assertion-error/-/assertion-error-2.0.1.tgz",
+      "integrity": "sha512-Izi8RQcffqCeNVgFigKli1ssklIbpHnCYc6AknXGYoB6grJqyeby7jv12JUQgmTAnIDnbck1uxksT4dzN3PWBA==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": ">=12"
+      }
+    },
+    "node_modules/vitest/node_modules/chai": {
+      "version": "5.3.3",
+      "resolved": "https://registry.npmjs.org/chai/-/chai-5.3.3.tgz",
+      "integrity": "sha512-4zNhdJD/iOjSH0A05ea+Ke6MU5mmpQcbQsSOkgdaUMJ9zTlDTD/GYlwohmIE2u0gaxHYiVHEn1Fw9mZ/ktJWgw==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "assertion-error": "^2.0.1",
+        "check-error": "^2.1.1",
+        "deep-eql": "^5.0.1",
+        "loupe": "^3.1.0",
+        "pathval": "^2.0.0"
+      },
+      "engines": {
+        "node": ">=18"
+      }
+    },
+    "node_modules/vitest/node_modules/check-error": {
+      "version": "2.1.1",
+      "resolved": "https://registry.npmjs.org/check-error/-/check-error-2.1.1.tgz",
+      "integrity": "sha512-OAlb+T7V4Op9OwdkjmguYRqncdlx5JiofwOAUkmTF+jNdHwzTaTs4sRAGpzLF3oOz5xAyDGrPgeIDFQmDOTiJw==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": ">= 16"
+      }
+    },
+    "node_modules/vitest/node_modules/deep-eql": {
+      "version": "5.0.2",
+      "resolved": "https://registry.npmjs.org/deep-eql/-/deep-eql-5.0.2.tgz",
+      "integrity": "sha512-h5k/5U50IJJFpzfL6nO9jaaumfjO/f2NjK/oYB2Djzm4p9L+3T9qWpZqZ2hAbLPuuYq9wrU08WQyBTL5GbPk5Q==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": ">=6"
+      }
+    },
+    "node_modules/vitest/node_modules/loupe": {
+      "version": "3.2.1",
+      "resolved": "https://registry.npmjs.org/loupe/-/loupe-3.2.1.tgz",
+      "integrity": "sha512-CdzqowRJCeLU72bHvWqwRBBlLcMEtIvGrlvef74kMnV2AolS9Y8xUv1I0U/MNAWMhBlKIoyuEgoJ0t/bbwHbLQ==",
+      "dev": true,
+      "license": "MIT"
+    },
+    "node_modules/vitest/node_modules/pathval": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/pathval/-/pathval-2.0.1.tgz",
+      "integrity": "sha512-//nshmD55c46FuFw26xV/xFAaB5HF9Xdap7HJBBnrKdAd6/GxDBaNA1870O79+9ueg61cZLSVc+OaFlfmObYVQ==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": ">= 14.16"
+      }
+    },
+    "node_modules/vitest/node_modules/picomatch": {
+      "version": "4.0.3",
+      "resolved": "https://registry.npmjs.org/picomatch/-/picomatch-4.0.3.tgz",
+      "integrity": "sha512-5gTmgEY/sqK6gFXLIsQNH19lWb4ebPDLA4SdLP7dsWkIXHWlG66oPuVvXSGFPppYZz8ZDZq0dYYrbHfBCVUb1Q==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": ">=12"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/jonschlinkert"
+      }
+    },
+    "node_modules/vitest/node_modules/tinyexec": {
+      "version": "0.3.2",
+      "resolved": "https://registry.npmjs.org/tinyexec/-/tinyexec-0.3.2.tgz",
+      "integrity": "sha512-KQQR9yN7R5+OSwaK0XQoj22pwHoTlgYqmUscPYoknOoWCWfj/5/ABTMRi69FrKU5ffPVh5QcFikpWJI/P1ocHA==",
+      "dev": true,
+      "license": "MIT"
+    },
     "node_modules/walk-up-path": {
       "version": "3.0.1",
       "license": "ISC"
@@ -12990,6 +13146,23 @@
         "url": "https://github.com/sponsors/ljharb"
       }
     },
+    "node_modules/why-is-node-running": {
+      "version": "2.3.0",
+      "resolved": "https://registry.npmjs.org/why-is-node-running/-/why-is-node-running-2.3.0.tgz",
+      "integrity": "sha512-hUrmaWBdVDcxvYqnyh09zunKzROWjbZTiNy8dBEjkS7ehEDQibXJ7XvlmtbwuTclUiIyN+CyXQD4Vmko8fNm8w==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "siginfo": "^2.0.0",
+        "stackback": "0.0.2"
+      },
+      "bin": {
+        "why-is-node-running": "cli.js"
+      },
+      "engines": {
+        "node": ">=8"
+      }
+    },
     "node_modules/wordwrap": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/wordwrap/-/wordwrap-1.0.0.tgz",
@@ -13007,11 +13180,6 @@
         "node": ">=12.17"
       }
     },
-    "node_modules/workerpool": {
-      "version": "6.5.1",
-      "dev": true,
-      "license": "Apache-2.0"
-    },
     "node_modules/wrap-ansi": {
       "version": "8.1.0",
       "resolved": "https://registry.npmjs.org/wrap-ansi/-/wrap-ansi-8.1.0.tgz",
@@ -13160,58 +13328,6 @@
         "node": ">=12"
       }
     },
-    "node_modules/yargs-parser": {
-      "version": "20.2.9",
-      "dev": true,
-      "license": "ISC",
-      "engines": {
-        "node": ">=10"
-      }
-    },
-    "node_modules/yargs-unparser": {
-      "version": "2.0.0",
-      "dev": true,
-      "license": "MIT",
-      "dependencies": {
-        "camelcase": "^6.0.0",
-        "decamelize": "^4.0.0",
-        "flat": "^5.0.2",
-        "is-plain-obj": "^2.1.0"
-      },
-      "engines": {
-        "node": ">=10"
-      }
-    },
-    "node_modules/yargs-unparser/node_modules/camelcase": {
-      "version": "6.3.0",
-      "dev": true,
-      "license": "MIT",
-      "engines": {
-        "node": ">=10"
-      },
-      "funding": {
-        "url": "https://github.com/sponsors/sindresorhus"
-      }
-    },
-    "node_modules/yargs-unparser/node_modules/decamelize": {
-      "version": "4.0.0",
-      "dev": true,
-      "license": "MIT",
-      "engines": {
-        "node": ">=10"
-      },
-      "funding": {
-        "url": "https://github.com/sponsors/sindresorhus"
-      }
-    },
-    "node_modules/yargs-unparser/node_modules/is-plain-obj": {
-      "version": "2.1.0",
-      "dev": true,
-      "license": "MIT",
-      "engines": {
-        "node": ">=8"
-      }
-    },
     "node_modules/yargs/node_modules/emoji-regex": {
       "version": "8.0.0",
       "license": "MIT"
@@ -13268,15 +13384,12 @@
       "version": "2.0.0-rc.3",
       "license": "Apache-2.0",
       "dependencies": {
-        "@finos/git-proxy": "file:../..",
+        "@finos/git-proxy": "2.0.0-rc.3",
         "axios": "^1.12.2",
         "yargs": "^17.7.2"
       },
       "bin": {
         "git-proxy-cli": "dist/index.js"
-      },
-      "devDependencies": {
-        "chai": "^4.5.0"
       }
     }
   }
diff --git a/package.json b/package.json
index 8b760cd94..14c145f80 100644
--- a/package.json
+++ b/package.json
@@ -53,9 +53,10 @@
     "build-ui": "vite build",
     "check-types": "tsc",
     "check-types:server": "tsc --project tsconfig.publish.json --noEmit",
-    "test": "NODE_ENV=test ts-mocha './test/**/*.test.js' --exit",
-    "test-coverage": "nyc npm run test",
-    "test-coverage-ci": "nyc --reporter=lcovonly --reporter=text npm run test",
+    "test": "NODE_ENV=test vitest --run --dir ./test",
+    "test-coverage": "NODE_ENV=test vitest --run --dir ./test --coverage",
+    "test-coverage-ci": "NODE_ENV=test vitest --run --dir ./test --coverage.enabled=true --coverage.reporter=lcovonly --coverage.reporter=text",
+    "test-watch": "NODE_ENV=test vitest --dir ./test --watch",
     "prepare": "node ./scripts/prepare.js",
     "lint": "eslint",
     "lint:fix": "eslint --fix",
@@ -116,6 +117,7 @@
     "react": "^16.14.0",
     "react-dom": "^16.14.0",
     "react-html-parser": "^2.0.2",
+    "supertest": "^7.1.4",
     "react-router-dom": "6.30.2",
     "simple-git": "^3.30.0",
     "uuid": "^11.1.0",
@@ -140,18 +142,16 @@
     "@types/jwk-to-pem": "^2.0.3",
     "@types/lodash": "^4.17.20",
     "@types/lusca": "^1.7.5",
-    "@types/mocha": "^10.0.10",
     "@types/node": "^22.19.1",
     "@types/passport": "^1.0.17",
     "@types/passport-local": "^1.0.38",
     "@types/react-dom": "^17.0.26",
     "@types/react-html-parser": "^2.0.7",
-    "@types/sinon": "^17.0.4",
+    "@types/supertest": "^6.0.3",
     "@types/validator": "^13.15.9",
     "@types/yargs": "^17.0.35",
+    "@vitest/coverage-v8": "^3.2.4",
     "@vitejs/plugin-react": "^4.7.0",
-    "chai": "^4.5.0",
-    "chai-http": "^4.4.0",
     "cypress": "^15.6.0",
     "eslint": "^9.39.1",
     "eslint-config-prettier": "^10.1.8",
@@ -161,19 +161,15 @@
     "globals": "^16.5.0",
     "husky": "^9.1.7",
     "lint-staged": "^16.2.6",
-    "mocha": "^10.8.2",
     "nyc": "^17.1.0",
     "prettier": "^3.6.2",
-    "proxyquire": "^2.1.3",
     "quicktype": "^23.2.6",
-    "sinon": "^21.0.0",
-    "sinon-chai": "^3.7.0",
-    "ts-mocha": "^11.1.0",
     "ts-node": "^10.9.2",
     "tsx": "^4.20.6",
     "typescript": "^5.9.3",
     "typescript-eslint": "^8.46.4",
-    "vite": "^4.5.14",
+    "vite": "^7.1.9",
+    "vitest": "^3.2.4",
     "vite-tsconfig-paths": "^5.1.4"
   },
   "optionalDependencies": {
diff --git a/packages/git-proxy-cli/package.json b/packages/git-proxy-cli/package.json
index fd8543dfe..3f75ed65e 100644
--- a/packages/git-proxy-cli/package.json
+++ b/packages/git-proxy-cli/package.json
@@ -8,18 +8,12 @@
   "dependencies": {
     "axios": "^1.12.2",
     "yargs": "^17.7.2",
-    "@finos/git-proxy": "file:../.."
-  },
-  "devDependencies": {
-    "chai": "^4.5.0"
+    "@finos/git-proxy": "2.0.0-rc.3"
   },
   "scripts": {
     "build": "tsc",
     "lint": "eslint \"./*.ts\" --fix",
-    "test:dev": "NODE_ENV=test ts-mocha test/*.ts --exit --timeout 10000",
-    "test": "npm run build && NODE_ENV=test ts-mocha test/*.ts --exit --timeout 10000",
-    "test-coverage": "nyc npm run test",
-    "test-coverage-ci": "nyc --reporter=lcovonly --reporter=text --reporter=html npm run test"
+    "test": "cd ../.. && vitest --run --dir packages/git-proxy-cli/test"
   },
   "author": "Miklos Sagi",
   "license": "Apache-2.0",
diff --git a/packages/git-proxy-cli/test/testCli.test.ts b/packages/git-proxy-cli/test/testCli.test.ts
index 98b7ae01a..3e5545d1f 100644
--- a/packages/git-proxy-cli/test/testCli.test.ts
+++ b/packages/git-proxy-cli/test/testCli.test.ts
@@ -1,5 +1,6 @@
 import * as helper from './testCliUtils';
 import path from 'path';
+import { describe, it, beforeAll, afterAll } from 'vitest';
 
 import { setConfigFile } from '../../../src/config/file';
 
@@ -92,11 +93,11 @@ describe('test git-proxy-cli', function () {
   // *** login ***
 
   describe('test git-proxy-cli :: login', function () {
-    before(async function () {
+    beforeAll(async function () {
       await helper.addUserToDb(TEST_USER, TEST_PASSWORD, TEST_EMAIL, TEST_GIT_ACCOUNT);
     });
 
-    after(async function () {
+    afterAll(async function () {
       await helper.removeUserFromDb(TEST_USER);
     });
 
@@ -218,13 +219,13 @@ describe('test git-proxy-cli', function () {
   describe('test git-proxy-cli :: authorise', function () {
     const pushId = `auth000000000000000000000000000000000000__${Date.now()}`;
 
-    before(async function () {
+    beforeAll(async function () {
       await helper.addRepoToDb(TEST_REPO_CONFIG as Repo);
       await helper.addUserToDb(TEST_USER, TEST_PASSWORD, TEST_EMAIL, TEST_GIT_ACCOUNT);
       await helper.addGitPushToDb(pushId, TEST_REPO_CONFIG.url, TEST_USER, TEST_EMAIL);
     });
 
-    after(async function () {
+    afterAll(async function () {
       await helper.removeGitPushFromDb(pushId);
       await helper.removeUserFromDb(TEST_USER);
       await helper.removeRepoFromDb(TEST_REPO_CONFIG.url);
@@ -295,13 +296,13 @@ describe('test git-proxy-cli', function () {
   describe('test git-proxy-cli :: cancel', function () {
     const pushId = `cancel0000000000000000000000000000000000__${Date.now()}`;
 
-    before(async function () {
+    beforeAll(async function () {
       await helper.addRepoToDb(TEST_REPO_CONFIG as Repo);
       await helper.addUserToDb(TEST_USER, TEST_PASSWORD, TEST_EMAIL, TEST_GIT_ACCOUNT);
       await helper.addGitPushToDb(pushId, TEST_USER, TEST_EMAIL, TEST_REPO);
     });
 
-    after(async function () {
+    afterAll(async function () {
       await helper.removeGitPushFromDb(pushId);
       await helper.removeUserFromDb(TEST_USER);
       await helper.removeRepoFromDb(TEST_REPO_CONFIG.url);
@@ -418,13 +419,13 @@ describe('test git-proxy-cli', function () {
   describe('test git-proxy-cli :: reject', function () {
     const pushId = `reject0000000000000000000000000000000000__${Date.now()}`;
 
-    before(async function () {
+    beforeAll(async function () {
       await helper.addRepoToDb(TEST_REPO_CONFIG as Repo);
       await helper.addUserToDb(TEST_USER, TEST_PASSWORD, TEST_EMAIL, TEST_GIT_ACCOUNT);
       await helper.addGitPushToDb(pushId, TEST_REPO_CONFIG.url, TEST_USER, TEST_EMAIL);
     });
 
-    after(async function () {
+    afterAll(async function () {
       await helper.removeGitPushFromDb(pushId);
       await helper.removeUserFromDb(TEST_USER);
       await helper.removeRepoFromDb(TEST_REPO_CONFIG.url);
@@ -493,11 +494,11 @@ describe('test git-proxy-cli', function () {
   // *** create user ***
 
   describe('test git-proxy-cli :: create-user', function () {
-    before(async function () {
+    beforeAll(async function () {
       await helper.addUserToDb(TEST_USER, TEST_PASSWORD, TEST_EMAIL, TEST_GIT_ACCOUNT);
     });
 
-    after(async function () {
+    afterAll(async function () {
       await helper.removeUserFromDb(TEST_USER);
     });
 
@@ -623,13 +624,13 @@ describe('test git-proxy-cli', function () {
   describe('test git-proxy-cli :: git push administration', function () {
     const pushId = `0000000000000000000000000000000000000000__${Date.now()}`;
 
-    before(async function () {
+    beforeAll(async function () {
       await helper.addRepoToDb(TEST_REPO_CONFIG as Repo);
       await helper.addUserToDb(TEST_USER, TEST_PASSWORD, TEST_EMAIL, TEST_GIT_ACCOUNT);
       await helper.addGitPushToDb(pushId, TEST_REPO_CONFIG.url, TEST_USER, TEST_EMAIL);
     });
 
-    after(async function () {
+    afterAll(async function () {
       await helper.removeGitPushFromDb(pushId);
       await helper.removeUserFromDb(TEST_USER);
       await helper.removeRepoFromDb(TEST_REPO_CONFIG.url);
@@ -695,7 +696,7 @@ describe('test git-proxy-cli', function () {
 
         const cli = `${CLI_PATH} ls --rejected true`;
         const expectedExitCode = 0;
-        const expectedMessages = ['[]'];
+        const expectedMessages: string[] | null = null;
         const expectedErrorMessages = null;
         await helper.runCli(cli, expectedExitCode, expectedMessages, expectedErrorMessages);
       } finally {
@@ -752,7 +753,7 @@ describe('test git-proxy-cli', function () {
 
         let cli = `${CLI_PATH} ls --authorised false --canceled false --rejected true`;
         let expectedExitCode = 0;
-        let expectedMessages = ['[]'];
+        let expectedMessages: string[] | null = null;
         let expectedErrorMessages = null;
         await helper.runCli(cli, expectedExitCode, expectedMessages, expectedErrorMessages);
 
diff --git a/packages/git-proxy-cli/test/testCliUtils.ts b/packages/git-proxy-cli/test/testCliUtils.ts
index a99f33bec..a0b19ceb0 100644
--- a/packages/git-proxy-cli/test/testCliUtils.ts
+++ b/packages/git-proxy-cli/test/testCliUtils.ts
@@ -1,14 +1,13 @@
 import fs from 'fs';
 import util from 'util';
 import { exec } from 'child_process';
-import { expect } from 'chai';
+import { expect } from 'vitest';
 
 import Proxy from '../../../src/proxy';
 import { Action } from '../../../src/proxy/actions/Action';
 import { Step } from '../../../src/proxy/actions/Step';
 import { exec as execProcessor } from '../../../src/proxy/processors/push-action/audit';
 import * as db from '../../../src/db';
-import { Server } from 'http';
 import { Repo } from '../../../src/db/types';
 import service from '../../../src/service';
 
@@ -44,15 +43,15 @@ async function runCli(
       console.log(`stdout: ${stdout}`);
       console.log(`stderr: ${stderr}`);
     }
-    expect(0).to.equal(expectedExitCode);
+    expect(0).toEqual(expectedExitCode);
     if (expectedMessages) {
       expectedMessages.forEach((expectedMessage) => {
-        expect(stdout).to.include(expectedMessage);
+        expect(stdout).toContain(expectedMessage);
       });
     }
     if (expectedErrorMessages) {
       expectedErrorMessages.forEach((expectedErrorMessage) => {
-        expect(stderr).to.include(expectedErrorMessage);
+        expect(stderr).toContain(expectedErrorMessage);
       });
     }
   } catch (error: any) {
@@ -66,15 +65,15 @@ async function runCli(
       console.log(`error.stdout: ${error.stdout}`);
       console.log(`error.stderr: ${error.stderr}`);
     }
-    expect(exitCode).to.equal(expectedExitCode);
+    expect(exitCode).toEqual(expectedExitCode);
     if (expectedMessages) {
       expectedMessages.forEach((expectedMessage) => {
-        expect(error.stdout).to.include(expectedMessage);
+        expect(error.stdout).toContain(expectedMessage);
       });
     }
     if (expectedErrorMessages) {
       expectedErrorMessages.forEach((expectedErrorMessage) => {
-        expect(error.stderr).to.include(expectedErrorMessage);
+        expect(error.stderr).toContain(expectedErrorMessage);
       });
     }
   } finally {
diff --git a/src/config/generated/config.ts b/src/config/generated/config.ts
index 4818e22d1..c96d24e65 100644
--- a/src/config/generated/config.ts
+++ b/src/config/generated/config.ts
@@ -208,6 +208,10 @@ export interface AdConfig {
    * Password for the given `username`.
    */
   password: string;
+  /**
+   * Override baseDN to query for users in other OUs or sub-trees.
+   */
+  searchBase?: string;
   /**
    * Active Directory server to connect to, e.g. `ldap://ad.example.com`.
    */
@@ -757,6 +761,7 @@ const typeMap: any = {
     [
       { json: 'baseDN', js: 'baseDN', typ: '' },
       { json: 'password', js: 'password', typ: '' },
+      { json: 'searchBase', js: 'searchBase', typ: u(undefined, '') },
       { json: 'url', js: 'url', typ: '' },
       { json: 'username', js: 'username', typ: '' },
     ],
diff --git a/src/config/index.ts b/src/config/index.ts
index 8f40ac3b1..177998764 100644
--- a/src/config/index.ts
+++ b/src/config/index.ts
@@ -204,14 +204,19 @@ export const getAPIs = () => {
   return config.api || {};
 };
 
-export const getCookieSecret = (): string | undefined => {
+export const getCookieSecret = (): string => {
   const config = loadFullConfiguration();
+
+  if (!config.cookieSecret) {
+    throw new Error('cookieSecret is not set!');
+  }
+
   return config.cookieSecret;
 };
 
-export const getSessionMaxAgeHours = (): number | undefined => {
+export const getSessionMaxAgeHours = (): number => {
   const config = loadFullConfiguration();
-  return config.sessionMaxAgeHours;
+  return config.sessionMaxAgeHours || 24;
 };
 
 // Get commit related configuration
diff --git a/src/proxy/index.ts b/src/proxy/index.ts
index a33f305ec..df485884b 100644
--- a/src/proxy/index.ts
+++ b/src/proxy/index.ts
@@ -14,9 +14,10 @@ import { addUserCanAuthorise, addUserCanPush, createRepo, getRepos } from '../db
 import { PluginLoader } from '../plugin';
 import chain from './chain';
 import { Repo } from '../db/types';
+import { serverConfig } from '../config/env';
 
 const { GIT_PROXY_SERVER_PORT: proxyHttpPort, GIT_PROXY_HTTPS_SERVER_PORT: proxyHttpsPort } =
-  require('../config/env').serverConfig;
+  serverConfig;
 
 interface ServerOptions {
   inflate: boolean;
@@ -26,13 +27,13 @@ interface ServerOptions {
   cert: Buffer | undefined;
 }
 
-const options: ServerOptions = {
+const getServerOptions = (): ServerOptions => ({
   inflate: true,
   limit: '100000kb',
   type: '*/*',
   key: getTLSEnabled() && getTLSKeyPemPath() ? fs.readFileSync(getTLSKeyPemPath()!) : undefined,
   cert: getTLSEnabled() && getTLSCertPemPath() ? fs.readFileSync(getTLSCertPemPath()!) : undefined,
-};
+});
 
 export default class Proxy {
   private httpServer: http.Server | null = null;
@@ -71,15 +72,17 @@ export default class Proxy {
     await this.proxyPreparations();
     this.expressApp = await this.createApp();
     this.httpServer = http
-      .createServer(options as any, this.expressApp)
+      .createServer(getServerOptions() as any, this.expressApp)
       .listen(proxyHttpPort, () => {
         console.log(`HTTP Proxy Listening on ${proxyHttpPort}`);
       });
     // Start HTTPS server only if TLS is enabled
     if (getTLSEnabled()) {
-      this.httpsServer = https.createServer(options, this.expressApp).listen(proxyHttpsPort, () => {
-        console.log(`HTTPS Proxy Listening on ${proxyHttpsPort}`);
-      });
+      this.httpsServer = https
+        .createServer(getServerOptions(), this.expressApp)
+        .listen(proxyHttpsPort, () => {
+          console.log(`HTTPS Proxy Listening on ${proxyHttpsPort}`);
+        });
     }
   }
 
diff --git a/src/proxy/processors/push-action/checkAuthorEmails.ts b/src/proxy/processors/push-action/checkAuthorEmails.ts
index ab45123d0..e8d51f09d 100644
--- a/src/proxy/processors/push-action/checkAuthorEmails.ts
+++ b/src/proxy/processors/push-action/checkAuthorEmails.ts
@@ -3,9 +3,9 @@ import { getCommitConfig } from '../../../config';
 import { CommitData } from '../types';
 import { isEmail } from 'validator';
 
-const commitConfig = getCommitConfig();
-
 const isEmailAllowed = (email: string): boolean => {
+  const commitConfig = getCommitConfig();
+
   if (!email || !isEmail(email)) {
     return false;
   }
@@ -14,14 +14,14 @@ const isEmailAllowed = (email: string): boolean => {
 
   if (
     commitConfig?.author?.email?.domain?.allow &&
-    !new RegExp(commitConfig.author.email.domain.allow, 'g').test(emailDomain)
+    !new RegExp(commitConfig.author.email.domain.allow, 'gi').test(emailDomain)
   ) {
     return false;
   }
 
   if (
     commitConfig?.author?.email?.local?.block &&
-    new RegExp(commitConfig.author.email.local.block, 'g').test(emailLocal)
+    new RegExp(commitConfig.author.email.local.block, 'gi').test(emailLocal)
   ) {
     return false;
   }
@@ -35,15 +35,10 @@ const exec = async (req: any, action: Action): Promise<Action> => {
   const uniqueAuthorEmails = [
     ...new Set(action.commitData?.map((commitData: CommitData) => commitData.authorEmail)),
   ];
-  console.log({ uniqueAuthorEmails });
 
   const illegalEmails = uniqueAuthorEmails.filter((email) => !isEmailAllowed(email));
-  console.log({ illegalEmails });
-
-  const usingIllegalEmails = illegalEmails.length > 0;
-  console.log({ usingIllegalEmails });
 
-  if (usingIllegalEmails) {
+  if (illegalEmails.length > 0) {
     console.log(`The following commit author e-mails are illegal: ${illegalEmails}`);
 
     step.error = true;
diff --git a/src/proxy/processors/push-action/checkCommitMessages.ts b/src/proxy/processors/push-action/checkCommitMessages.ts
index 79a259d8b..7eb9f6cad 100644
--- a/src/proxy/processors/push-action/checkCommitMessages.ts
+++ b/src/proxy/processors/push-action/checkCommitMessages.ts
@@ -1,48 +1,46 @@
 import { Action, Step } from '../../actions';
 import { getCommitConfig } from '../../../config';
 
-const commitConfig = getCommitConfig();
-
 const isMessageAllowed = (commitMessage: string): boolean => {
-  console.log(`isMessageAllowed(${commitMessage})`);
-
-  // Commit message is empty, i.e. '', null or undefined
-  if (!commitMessage) {
-    console.log('No commit message included...');
-    return false;
-  }
-
-  // Validation for configured block pattern(s) check...
-  if (typeof commitMessage !== 'string') {
-    console.log('A non-string value has been captured for the commit message...');
-    return false;
-  }
-
-  // Configured blocked literals
-  const blockedLiterals: string[] = commitConfig?.message?.block?.literals ?? [];
-
-  // Configured blocked patterns
-  const blockedPatterns: string[] = commitConfig?.message?.block?.patterns ?? [];
-
-  // Find all instances of blocked literals in commit message...
-  const positiveLiterals = blockedLiterals.map((literal: string) =>
-    commitMessage.toLowerCase().includes(literal.toLowerCase()),
-  );
-
-  // Find all instances of blocked patterns in commit message...
-  const positivePatterns = blockedPatterns.map((pattern: string) =>
-    commitMessage.match(new RegExp(pattern, 'gi')),
-  );
-
-  // Flatten any positive literal results into a 1D array...
-  const literalMatches = positiveLiterals.flat().filter((result) => !!result);
+  try {
+    const commitConfig = getCommitConfig();
+
+    // Commit message is empty, i.e. '', null or undefined
+    if (!commitMessage) {
+      console.log('No commit message included...');
+      return false;
+    }
+
+    // Validation for configured block pattern(s) check...
+    if (typeof commitMessage !== 'string') {
+      console.log('A non-string value has been captured for the commit message...');
+      return false;
+    }
+
+    // Configured blocked literals and patterns
+    const blockedLiterals: string[] = commitConfig.message?.block?.literals ?? [];
+    const blockedPatterns: string[] = commitConfig.message?.block?.patterns ?? [];
+
+    // Find all instances of blocked literals and patterns in commit message
+    const positiveLiterals = blockedLiterals.map((literal: string) =>
+      commitMessage.toLowerCase().includes(literal.toLowerCase()),
+    );
 
-  // Flatten any positive pattern results into a 1D array...
-  const patternMatches = positivePatterns.flat().filter((result) => !!result);
+    const positivePatterns = blockedPatterns.map((pattern: string) =>
+      commitMessage.match(new RegExp(pattern, 'gi')),
+    );
 
-  // Commit message matches configured block pattern(s)
-  if (literalMatches.length || patternMatches.length) {
-    console.log('Commit message is blocked via configured literals/patterns...');
+    // Flatten any positive literal and pattern results into a 1D array
+    const literalMatches = positiveLiterals.flat().filter((result) => !!result);
+    const patternMatches = positivePatterns.flat().filter((result) => !!result);
+
+    // Commit message matches configured block pattern(s)
+    if (literalMatches.length || patternMatches.length) {
+      console.log('Commit message is blocked via configured literals/patterns...');
+      return false;
+    }
+  } catch (error) {
+    console.log('Invalid regex pattern...');
     return false;
   }
 
@@ -54,15 +52,10 @@ const exec = async (req: any, action: Action): Promise<Action> => {
   const step = new Step('checkCommitMessages');
 
   const uniqueCommitMessages = [...new Set(action.commitData?.map((commit) => commit.message))];
-  console.log({ uniqueCommitMessages });
 
   const illegalMessages = uniqueCommitMessages.filter((message) => !isMessageAllowed(message));
-  console.log({ illegalMessages });
-
-  const usingIllegalMessages = illegalMessages.length > 0;
-  console.log({ usingIllegalMessages });
 
-  if (usingIllegalMessages) {
+  if (illegalMessages.length > 0) {
     console.log(`The following commit messages are illegal: ${illegalMessages}`);
 
     step.error = true;
diff --git a/src/proxy/processors/push-action/parsePush.ts b/src/proxy/processors/push-action/parsePush.ts
index 95a4b4107..ababdb751 100644
--- a/src/proxy/processors/push-action/parsePush.ts
+++ b/src/proxy/processors/push-action/parsePush.ts
@@ -222,8 +222,6 @@ const getCommitData = (contents: CommitContent[]): CommitData[] => {
     .chain(contents)
     .filter({ type: GIT_OBJECT_TYPE_COMMIT })
     .map((x: CommitContent) => {
-      console.log({ x });
-
       const allLines = x.content.split('\n');
       let headerEndIndex = -1;
 
@@ -246,7 +244,6 @@ const getCommitData = (contents: CommitContent[]): CommitData[] => {
         .slice(headerEndIndex + 1)
         .join('\n')
         .trim();
-      console.log({ headerLines, message });
 
       const { tree, parents, author, committer } = getParsedData(headerLines);
       // No parent headers -> zero hash
diff --git a/src/service/index.ts b/src/service/index.ts
index 15c86307a..c13e79314 100644
--- a/src/service/index.ts
+++ b/src/service/index.ts
@@ -44,7 +44,7 @@ async function createApp(proxy: Proxy): Promise<Express> {
   app.use(
     session({
       store: db.getSessionStore(),
-      secret: config.getCookieSecret() as string,
+      secret: config.getCookieSecret(),
       resave: false,
       saveUninitialized: false,
       cookie: {
diff --git a/src/service/passport/oidc.ts b/src/service/passport/oidc.ts
index 9afe379b8..ebab568ce 100644
--- a/src/service/passport/oidc.ts
+++ b/src/service/passport/oidc.ts
@@ -77,7 +77,7 @@ export const configure = async (passport: PassportStatic): Promise<PassportStati
  * @param {Function} done - The callback function to handle the user authentication
  * @return {Promise<void>} - A promise that resolves when the user authentication is complete
  */
-const handleUserAuthentication = async (
+export const handleUserAuthentication = async (
   userInfo: UserInfoResponse,
   done: (err: any, user?: any) => void,
 ): Promise<void> => {
diff --git a/src/service/routes/auth.ts b/src/service/routes/auth.ts
index f6347eb4f..9835af3c8 100644
--- a/src/service/routes/auth.ts
+++ b/src/service/routes/auth.ts
@@ -9,8 +9,7 @@ import * as passportAD from '../passport/activeDirectory';
 import { User } from '../../db/types';
 import { AuthenticationElement } from '../../config/generated/config';
 
-import { toPublicUser } from './publicApi';
-import { isAdminUser } from './utils';
+import { isAdminUser, toPublicUser } from './utils';
 
 const router = express.Router();
 const passport = getPassport();
@@ -107,7 +106,7 @@ router.get('/openidconnect/callback', (req: Request, res: Response, next: NextFu
   passport.authenticate(authStrategies['openidconnect'].type, (err: any, user: any, info: any) => {
     if (err) {
       console.error('Authentication error:', err);
-      return res.status(401).end();
+      return res.status(500).end();
     }
     if (!user) {
       console.error('No user found:', info);
@@ -116,7 +115,7 @@ router.get('/openidconnect/callback', (req: Request, res: Response, next: NextFu
     req.logIn(user, (err) => {
       if (err) {
         console.error('Login error:', err);
-        return res.status(401).end();
+        return res.status(500).end();
       }
       console.log('Logged in successfully. User:', user);
       return res.redirect(`${uiHost}:${uiPort}/dashboard/profile`);
@@ -133,79 +132,96 @@ router.post('/logout', (req: Request, res: Response, next: NextFunction) => {
 });
 
 router.get('/profile', async (req: Request, res: Response) => {
-  if (req.user) {
-    const userVal = await db.findUser((req.user as User).username);
-    if (!userVal) {
-      res.status(400).send('Error: Logged in user not found').end();
-      return;
-    }
-    res.send(toPublicUser(userVal));
-  } else {
-    res.status(401).end();
+  if (!req.user) {
+    res
+      .status(401)
+      .send({
+        message: 'Not logged in',
+      })
+      .end();
+    return;
   }
+
+  const userVal = await db.findUser((req.user as User).username);
+  if (!userVal) {
+    res.status(404).send('User not found').end();
+    return;
+  }
+
+  res.send(toPublicUser(userVal));
 });
 
 router.post('/gitAccount', async (req: Request, res: Response) => {
-  if (req.user) {
-    try {
-      let username =
-        req.body.username == null || req.body.username === 'undefined'
-          ? req.body.id
-          : req.body.username;
-      username = username?.split('@')[0];
-
-      if (!username) {
-        res.status(400).send('Error: Missing username. Git account not updated').end();
-        return;
-      }
+  if (!req.user) {
+    res
+      .status(401)
+      .send({
+        message: 'Not logged in',
+      })
+      .end();
+    return;
+  }
 
-      const reqUser = await db.findUser((req.user as User).username);
-      if (username !== reqUser?.username && !reqUser?.admin) {
-        res.status(403).send('Error: You must be an admin to update a different account').end();
-        return;
-      }
+  try {
+    let username =
+      req.body.username == null || req.body.username === 'undefined'
+        ? req.body.id
+        : req.body.username;
+    username = username?.split('@')[0];
 
-      const user = await db.findUser(username);
-      if (!user) {
-        res.status(400).send('Error: User not found').end();
-        return;
-      }
+    if (!username) {
+      res
+        .status(400)
+        .send({
+          message: 'Missing username. Git account not updated',
+        })
+        .end();
+      return;
+    }
 
-      console.log('Adding gitAccount' + req.body.gitAccount);
-      user.gitAccount = req.body.gitAccount;
-      db.updateUser(user);
-      res.status(200).end();
-    } catch (e: any) {
+    const reqUser = await db.findUser((req.user as User).username);
+    if (username !== reqUser?.username && !reqUser?.admin) {
       res
-        .status(500)
+        .status(403)
         .send({
-          message: `Error updating git account: ${e.message}`,
+          message: 'Must be an admin to update a different account',
         })
         .end();
+      return;
     }
-  } else {
-    res.status(401).end();
-  }
-});
 
-router.get('/me', async (req: Request, res: Response) => {
-  if (req.user) {
-    const userVal = await db.findUser((req.user as User).username);
-    if (!userVal) {
-      res.status(400).send('Error: Logged in user not found').end();
+    const user = await db.findUser(username);
+    if (!user) {
+      res
+        .status(404)
+        .send({
+          message: 'User not found',
+        })
+        .end();
       return;
     }
-    res.send(toPublicUser(userVal));
-  } else {
-    res.status(401).end();
+
+    user.gitAccount = req.body.gitAccount;
+    db.updateUser(user);
+    res.status(200).end();
+  } catch (e: any) {
+    res
+      .status(500)
+      .send({
+        message: `Failed to update git account: ${e.message}`,
+      })
+      .end();
   }
 });
 
 router.post('/create-user', async (req: Request, res: Response) => {
   if (!isAdminUser(req.user)) {
-    res.status(401).send({
-      message: 'You are not authorized to perform this action...',
-    });
+    res
+      .status(403)
+      .send({
+        message: 'Not authorized to create users',
+      })
+      .end();
     return;
   }
 
@@ -213,20 +229,27 @@ router.post('/create-user', async (req: Request, res: Response) => {
     const { username, password, email, gitAccount, admin: isAdmin = false } = req.body;
 
     if (!username || !password || !email || !gitAccount) {
-      res.status(400).send({
-        message: 'Missing required fields: username, password, email, and gitAccount are required',
-      });
+      res
+        .status(400)
+        .send({
+          message:
+            'Missing required fields: username, password, email, and gitAccount are required',
+        })
+        .end();
       return;
     }
 
     await db.createUser(username, password, email, gitAccount, isAdmin);
-    res.status(201).send({
-      message: 'User created successfully',
-      username,
-    });
+    res
+      .status(201)
+      .send({
+        message: 'User created successfully',
+        username,
+      })
+      .end();
   } catch (error: any) {
     console.error('Error creating user:', error);
-    res.status(400).send({
+    res.status(500).send({
       message: error.message || 'Failed to create user',
     });
   }
diff --git a/src/service/routes/publicApi.ts b/src/service/routes/publicApi.ts
deleted file mode 100644
index 1b408a562..000000000
--- a/src/service/routes/publicApi.ts
+++ /dev/null
@@ -1,12 +0,0 @@
-import { PublicUser, User } from '../../db/types';
-
-export const toPublicUser = (user: User): PublicUser => {
-  return {
-    username: user.username || '',
-    displayName: user.displayName || '',
-    email: user.email || '',
-    title: user.title || '',
-    gitAccount: user.gitAccount || '',
-    admin: user.admin || false,
-  };
-};
diff --git a/src/service/routes/push.ts b/src/service/routes/push.ts
index 4a69fd355..fbce5335e 100644
--- a/src/service/routes/push.ts
+++ b/src/service/routes/push.ts
@@ -38,7 +38,7 @@ router.get('/:id', async (req: Request, res: Response) => {
 router.post('/:id/reject', async (req: Request, res: Response) => {
   if (!req.user) {
     res.status(401).send({
-      message: 'not logged in',
+      message: 'Not logged in',
     });
     return;
   }
@@ -55,107 +55,115 @@ router.post('/:id/reject', async (req: Request, res: Response) => {
   const list = await db.getUsers({ email: committerEmail });
 
   if (list.length === 0) {
-    res.status(401).send({
-      message: `There was no registered user with the committer's email address: ${committerEmail}`,
+    res.status(404).send({
+      message: `No user found with the committer's email address: ${committerEmail}`,
     });
     return;
   }
 
   if (list[0].username.toLowerCase() === username.toLowerCase() && !list[0].admin) {
-    res.status(401).send({
+    res.status(403).send({
       message: `Cannot reject your own changes`,
     });
     return;
   }
 
   const isAllowed = await db.canUserApproveRejectPush(id, username);
-  console.log({ isAllowed });
 
   if (isAllowed) {
     const result = await db.reject(id, null);
-    console.log(`user ${username} rejected push request for ${id}`);
+    console.log(`User ${username} rejected push request for ${id}`);
     res.send(result);
   } else {
-    res.status(401).send({
-      message: 'User is not authorised to reject changes',
+    res.status(403).send({
+      message: `User ${username} is not authorised to reject changes on this project`,
     });
   }
 });
 
 router.post('/:id/authorise', async (req: Request, res: Response) => {
+  if (!req.user) {
+    res.status(401).send({
+      message: 'Not logged in',
+    });
+    return;
+  }
+
   const questions = req.body.params?.attestation;
-  console.log({ questions });
 
   // TODO: compare attestation to configuration and ensure all questions are answered
   // - we shouldn't go on the definition in the request!
   const attestationComplete = questions?.every(
     (question: { checked: boolean }) => !!question.checked,
   );
-  console.log({ attestationComplete });
 
-  if (req.user && attestationComplete) {
-    const id = req.params.id;
-    console.log({ id });
+  if (!attestationComplete) {
+    res.status(400).send({
+      message: 'Attestation is not complete',
+    });
+    return;
+  }
 
-    const { username } = req.user as { username: string };
+  const id = req.params.id;
 
-    // Get the push request
-    const push = await db.getPush(id);
-    console.log({ push });
+  const { username } = req.user as { username: string };
 
-    // Get the committer of the push via their email address
-    const committerEmail = push?.userEmail;
-    const list = await db.getUsers({ email: committerEmail });
-    console.log({ list });
+  const push = await db.getPush(id);
+  if (!push) {
+    res.status(404).send({
+      message: 'Push request not found',
+    });
+    return;
+  }
 
-    if (list.length === 0) {
-      res.status(401).send({
-        message: `There was no registered user with the committer's email address: ${committerEmail}`,
-      });
-      return;
-    }
+  // Get the committer of the push via their email address
+  const committerEmail = push.userEmail;
+
+  const list = await db.getUsers({ email: committerEmail });
+
+  if (list.length === 0) {
+    res.status(404).send({
+      message: `No user found with the committer's email address: ${committerEmail}`,
+    });
+    return;
+  }
 
-    if (list[0].username.toLowerCase() === username.toLowerCase() && !list[0].admin) {
-      res.status(401).send({
-        message: `Cannot approve your own changes`,
+  if (list[0].username.toLowerCase() === username.toLowerCase() && !list[0].admin) {
+    res.status(403).send({
+      message: `Cannot approve your own changes`,
+    });
+    return;
+  }
+
+  // If we are not the author, now check that we are allowed to authorise on this
+  // repo
+  const isAllowed = await db.canUserApproveRejectPush(id, username);
+  if (isAllowed) {
+    console.log(`User ${username} approved push request for ${id}`);
+
+    const reviewerList = await db.getUsers({ username });
+    const reviewerEmail = reviewerList[0].email;
+
+    if (!reviewerEmail) {
+      res.status(404).send({
+        message: `There was no registered email address for the reviewer: ${username}`,
       });
       return;
     }
 
-    // If we are not the author, now check that we are allowed to authorise on this
-    // repo
-    const isAllowed = await db.canUserApproveRejectPush(id, username);
-    if (isAllowed) {
-      console.log(`user ${username} approved push request for ${id}`);
-
-      const reviewerList = await db.getUsers({ username });
-      const reviewerEmail = reviewerList[0].email;
-
-      if (!reviewerEmail) {
-        res.status(401).send({
-          message: `There was no registered email address for the reviewer: ${username}`,
-        });
-        return;
-      }
-
-      const attestation = {
-        questions,
-        timestamp: new Date(),
-        reviewer: {
-          username,
-          reviewerEmail,
-        },
-      };
-      const result = await db.authorise(id, attestation);
-      res.send(result);
-    } else {
-      res.status(401).send({
-        message: `user ${username} not authorised to approve push's on this project`,
-      });
-    }
+    const attestation = {
+      questions,
+      timestamp: new Date(),
+      reviewer: {
+        username,
+        reviewerEmail,
+      },
+    };
+    const result = await db.authorise(id, attestation);
+    res.send(result);
   } else {
-    res.status(401).send({
-      message: 'You are unauthorized to perform this action...',
+    res.status(403).send({
+      message: `User ${username} not authorised to approve pushes on this project`,
     });
   }
 });
@@ -163,7 +171,7 @@ router.post('/:id/authorise', async (req: Request, res: Response) => {
 router.post('/:id/cancel', async (req: Request, res: Response) => {
   if (!req.user) {
     res.status(401).send({
-      message: 'not logged in',
+      message: 'Not logged in',
     });
     return;
   }
@@ -175,12 +183,12 @@ router.post('/:id/cancel', async (req: Request, res: Response) => {
 
   if (isAllowed) {
     const result = await db.cancel(id);
-    console.log(`user ${username} canceled push request for ${id}`);
+    console.log(`User ${username} canceled push request for ${id}`);
     res.send(result);
   } else {
-    console.log(`user ${username} not authorised to cancel push request for ${id}`);
-    res.status(401).send({
-      message: 'User ${req.user.username)} not authorised to cancel push requests on this project.',
+    console.log(`User ${username} not authorised to cancel push request for ${id}`);
+    res.status(403).send({
+      message: `User ${username} not authorised to cancel push requests on this project`,
     });
   }
 });
@@ -188,7 +196,6 @@ router.post('/:id/cancel', async (req: Request, res: Response) => {
 async function getValidPushOrRespond(id: string, res: Response) {
   console.log('getValidPushOrRespond', { id });
   const push = await db.getPush(id);
-  console.log({ push });
 
   if (!push) {
     res.status(404).send({ message: `Push request not found` });
diff --git a/src/service/routes/users.ts b/src/service/routes/users.ts
index 2e689817e..8701223c5 100644
--- a/src/service/routes/users.ts
+++ b/src/service/routes/users.ts
@@ -2,7 +2,7 @@ import express, { Request, Response } from 'express';
 const router = express.Router();
 
 import * as db from '../../db';
-import { toPublicUser } from './publicApi';
+import { toPublicUser } from './utils';
 
 router.get('/', async (req: Request, res: Response) => {
   console.log('fetching users');
@@ -15,7 +15,12 @@ router.get('/:id', async (req: Request, res: Response) => {
   console.log(`Retrieving details for user: ${username}`);
   const user = await db.findUser(username);
   if (!user) {
-    res.status(404).send('Error: User not found').end();
+    res
+      .status(404)
+      .send({
+        message: `User ${username} not found`,
+      })
+      .end();
     return;
   }
   res.send(toPublicUser(user));
diff --git a/src/service/routes/utils.ts b/src/service/routes/utils.ts
index a9c501801..694732a5d 100644
--- a/src/service/routes/utils.ts
+++ b/src/service/routes/utils.ts
@@ -1,3 +1,5 @@
+import { PublicUser, User as DbUser } from '../../db/types';
+
 interface User extends Express.User {
   username: string;
   admin?: boolean;
@@ -6,3 +8,14 @@ interface User extends Express.User {
 export function isAdminUser(user?: Express.User): user is User & { admin: true } {
   return user !== null && user !== undefined && (user as User).admin === true;
 }
+
+export const toPublicUser = (user: DbUser): PublicUser => {
+  return {
+    username: user.username || '',
+    displayName: user.displayName || '',
+    email: user.email || '',
+    title: user.title || '',
+    gitAccount: user.gitAccount || '',
+    admin: user.admin || false,
+  };
+};
diff --git a/src/ui/components/Navbars/DashboardNavbarLinks.tsx b/src/ui/components/Navbars/DashboardNavbarLinks.tsx
index 2ed5c3d8f..d23d3b65a 100644
--- a/src/ui/components/Navbars/DashboardNavbarLinks.tsx
+++ b/src/ui/components/Navbars/DashboardNavbarLinks.tsx
@@ -28,11 +28,11 @@ const DashboardNavbarLinks: React.FC = () => {
   const [openProfile, setOpenProfile] = useState<HTMLElement | null>(null);
   const [, setAuth] = useState<boolean>(true);
   const [, setIsLoading] = useState<boolean>(true);
-  const [, setIsError] = useState<boolean>(false);
+  const [errorMessage, setErrorMessage] = useState<string>('');
   const [user, setUser] = useState<PublicUser | null>(null);
 
   useEffect(() => {
-    getUser(setIsLoading, setUser, setAuth, setIsError);
+    getUser(setIsLoading, setUser, setAuth, setErrorMessage);
   }, []);
 
   const handleClickProfile = (event: React.MouseEvent<HTMLElement>) => {
@@ -66,6 +66,7 @@ const DashboardNavbarLinks: React.FC = () => {
 
   return (
     <div>
+      {errorMessage && <div className={classes.errorMessage}>{errorMessage}</div>}
       <div className={classes.manager}>
         <Button
           color={window.innerWidth > 959 ? 'transparent' : 'white'}
diff --git a/src/ui/services/auth.ts b/src/ui/services/auth.ts
index 81acd399e..d3e61f031 100644
--- a/src/ui/services/auth.ts
+++ b/src/ui/services/auth.ts
@@ -16,7 +16,7 @@ interface AxiosConfig {
  */
 export const getUserInfo = async (): Promise<PublicUser | null> => {
   try {
-    const response = await fetch(`${API_BASE}/api/auth/me`, {
+    const response = await fetch(`${API_BASE}/api/auth/profile`, {
       credentials: 'include', // Sends cookies
     });
     if (!response.ok) throw new Error(`Failed to fetch user info: ${response.statusText}`);
@@ -45,12 +45,12 @@ export const getAxiosConfig = (): AxiosConfig => {
  * Processes authentication errors and returns a user-friendly error message
  */
 export const processAuthError = (error: AxiosError<any>, jwtAuthEnabled = false): string => {
-  let errorMessage = `Failed to authorize user: ${error.response?.data?.trim() ?? ''}. `;
+  const errorMessage = (error.response?.data as any)?.message ?? 'Unknown error';
+  let msg = `Failed to authorize user: ${errorMessage.trim()}. `;
   if (jwtAuthEnabled && !localStorage.getItem('ui_jwt_token')) {
-    errorMessage +=
-      'Set your JWT token in the settings page or disable JWT auth in your app configuration.';
+    msg += 'Set your JWT token in the settings page or disable JWT auth in your app configuration.';
   } else {
-    errorMessage += 'Check your JWT token or disable JWT auth in your app configuration.';
+    msg += 'Check your JWT token or disable JWT auth in your app configuration.';
   }
-  return errorMessage;
+  return msg;
 };
diff --git a/src/ui/services/user.ts b/src/ui/services/user.ts
index 98e97883e..bddb3154a 100644
--- a/src/ui/services/user.ts
+++ b/src/ui/services/user.ts
@@ -10,7 +10,7 @@ const getUser = async (
   setIsLoading?: SetStateCallback<boolean>,
   setUser?: (user: PublicUser) => void,
   setAuth?: SetStateCallback<boolean>,
-  setIsError?: SetStateCallback<boolean>,
+  setErrorMessage?: SetStateCallback<string>,
   id: string | null = null,
 ): Promise<void> => {
   let url = `${API_BASE}/api/auth/profile`;
@@ -26,10 +26,13 @@ const getUser = async (
     setIsLoading?.(false);
   } catch (error) {
     const axiosError = error as AxiosError;
-    if (axiosError.response?.status === 401) {
+    const status = axiosError.response?.status;
+    if (status === 401) {
       setAuth?.(false);
+      setErrorMessage?.(processAuthError(axiosError));
     } else {
-      setIsError?.(true);
+      const msg = (axiosError.response?.data as any)?.message ?? 'Unknown error';
+      setErrorMessage?.(`Error fetching user: ${status} ${msg}`);
     }
     setIsLoading?.(false);
   }
@@ -50,32 +53,33 @@ const getUsers = async (
     );
     setUsers(response.data);
   } catch (error) {
-    if (axios.isAxiosError(error)) {
-      if (error.response?.status === 401) {
-        setAuth(false);
-        setErrorMessage(processAuthError(error));
-      } else {
-        const msg = (error.response?.data as any)?.message ?? error.message;
-        setErrorMessage(`Error fetching users: ${msg}`);
-      }
+    const axiosError = error as AxiosError;
+    const status = axiosError.response?.status;
+    if (status === 401) {
+      setAuth(false);
+      setErrorMessage(processAuthError(axiosError));
     } else {
-      setErrorMessage(`Error fetching users: ${(error as Error).message ?? 'Unknown error'}`);
+      const msg = (axiosError.response?.data as any)?.message ?? 'Unknown error';
+      setErrorMessage(`Error fetching users: ${status} ${msg}`);
     }
   } finally {
     setIsLoading(false);
   }
 };
 
-const updateUser = async (user: PublicUser): Promise<void> => {
-  console.log(user);
+const updateUser = async (
+  user: PublicUser,
+  setErrorMessage: SetStateCallback<string>,
+  setIsLoading: SetStateCallback<boolean>,
+): Promise<void> => {
   try {
     await axios.post(`${API_BASE}/api/auth/gitAccount`, user, getAxiosConfig());
   } catch (error) {
     const axiosError = error as AxiosError;
-    if (axiosError.response) {
-      console.log((axiosError.response.data as any).message);
-    }
-    throw error;
+    const status = axiosError.response?.status;
+    const msg = (axiosError.response?.data as any)?.message ?? 'Unknown error';
+    setErrorMessage(`Error updating user: ${status} ${msg}`);
+    setIsLoading(false);
   }
 };
 
diff --git a/src/ui/views/PushDetails/PushDetails.tsx b/src/ui/views/PushDetails/PushDetails.tsx
index 2bdaf7838..aec01fa20 100644
--- a/src/ui/views/PushDetails/PushDetails.tsx
+++ b/src/ui/views/PushDetails/PushDetails.tsx
@@ -42,12 +42,10 @@ const Dashboard: React.FC = () => {
 
   const setUserAllowedToApprove = (userAllowedToApprove: boolean) => {
     isUserAllowedToApprove = userAllowedToApprove;
-    console.log('isUserAllowedToApprove:' + isUserAllowedToApprove);
   };
 
   const setUserAllowedToReject = (userAllowedToReject: boolean) => {
     isUserAllowedToReject = userAllowedToReject;
-    console.log({ isUserAllowedToReject });
   };
 
   useEffect(() => {
diff --git a/src/ui/views/User/UserProfile.tsx b/src/ui/views/User/UserProfile.tsx
index 93d468980..b3f9fca7e 100644
--- a/src/ui/views/User/UserProfile.tsx
+++ b/src/ui/views/User/UserProfile.tsx
@@ -31,7 +31,7 @@ export default function UserProfile(): React.ReactElement {
   const [user, setUser] = useState<PublicUser | null>(null);
   const [auth, setAuth] = useState<boolean>(true);
   const [isLoading, setIsLoading] = useState<boolean>(true);
-  const [isError, setIsError] = useState<boolean>(false);
+  const [errorMessage, setErrorMessage] = useState<string>('');
   const [gitAccount, setGitAccount] = useState<string>('');
   const navigate = useNavigate();
   const { id } = useParams<{ id?: string }>();
@@ -46,13 +46,13 @@ export default function UserProfile(): React.ReactElement {
         setGitAccount(user.gitAccount || '');
       },
       setAuth,
-      setIsError,
+      setErrorMessage,
       id,
     );
   }, [id]);
 
   if (isLoading) return <div>Loading...</div>;
-  if (isError) return <div>Something went wrong ...</div>;
+  if (errorMessage) return <div>{errorMessage}</div>;
 
   if (!auth && window.location.pathname === '/dashboard/profile') {
     return <Navigate to='/login' />;
@@ -60,17 +60,13 @@ export default function UserProfile(): React.ReactElement {
   if (!user) return <div>No user data available</div>;
 
   const updateProfile = async (): Promise<void> => {
-    try {
-      const updatedData = {
-        ...user,
-        gitAccount: escapeHTML(gitAccount),
-      };
-      await updateUser(updatedData);
-      setUser(updatedData);
-      navigate(`/dashboard/profile`);
-    } catch {
-      setIsError(true);
-    }
+    const updatedData = {
+      ...user,
+      gitAccount: escapeHTML(gitAccount),
+    };
+    await updateUser(updatedData, setErrorMessage, setIsLoading);
+    setUser(updatedData);
+    navigate(`/dashboard/profile`);
   };
 
   const UpdateButton = (): React.ReactElement => (
diff --git a/test/1.test.js b/test/1.test.js
deleted file mode 100644
index 46eab9b9b..000000000
--- a/test/1.test.js
+++ /dev/null
@@ -1,98 +0,0 @@
-/*
-  Template test file. Demonstrates how to:
-  - Use chai-http to test the server
-  - Initialize the server
-  - Stub dependencies with sinon sandbox
-  - Reset stubs after each test
-  - Use proxyquire to replace modules
-  - Clear module cache after a test
-*/
-
-const chai = require('chai');
-const chaiHttp = require('chai-http');
-const sinon = require('sinon');
-const proxyquire = require('proxyquire');
-
-const service = require('../src/service').default;
-const db = require('../src/db');
-
-const expect = chai.expect;
-
-chai.use(chaiHttp);
-
-const TEST_REPO = {
-  project: 'finos',
-  name: 'db-test-repo',
-  url: 'https://github.com/finos/db-test-repo.git',
-};
-
-describe('init', () => {
-  let app;
-  let sandbox;
-
-  // Runs before all tests
-  before(async function () {
-    // Start the service (can also pass config if testing proxy routes)
-    app = await service.start();
-  });
-
-  // Runs before each test
-  beforeEach(function () {
-    // Create a sandbox for stubbing
-    sandbox = sinon.createSandbox();
-
-    // Example: stub a DB method
-    sandbox.stub(db, 'getRepo').resolves(TEST_REPO);
-  });
-
-  // Example test: check server is running
-  it('should return 401 if not logged in', async function () {
-    const res = await chai.request(app).get('/api/auth/profile');
-    expect(res).to.have.status(401);
-  });
-
-  // Example test: check db stub is working
-  it('should get the repo from stubbed db', async function () {
-    const repo = await db.getRepo('finos/db-test-repo');
-    expect(repo).to.deep.equal(TEST_REPO);
-  });
-
-  // Example test: use proxyquire to override the config module
-  it('should return an array of enabled auth methods when overridden', async function () {
-    const fsStub = {
-      readFileSync: sandbox.stub().returns(
-        JSON.stringify({
-          authentication: [
-            { type: 'local', enabled: true },
-            { type: 'ActiveDirectory', enabled: true },
-            { type: 'openidconnect', enabled: true },
-          ],
-        }),
-      ),
-    };
-
-    const config = proxyquire('../src/config', {
-      fs: fsStub,
-    });
-    config.initUserConfig();
-    const authMethods = config.getAuthMethods();
-    expect(authMethods).to.have.lengthOf(3);
-    expect(authMethods[0].type).to.equal('local');
-    expect(authMethods[1].type).to.equal('ActiveDirectory');
-    expect(authMethods[2].type).to.equal('openidconnect');
-
-    // Clear config module cache so other tests don't use the stubbed config
-    delete require.cache[require.resolve('../src/config')];
-  });
-
-  // Runs after each test
-  afterEach(function () {
-    // Restore all stubs in this sandbox
-    sandbox.restore();
-  });
-
-  // Runs after all tests
-  after(async function () {
-    await service.httpServer.close();
-  });
-});
diff --git a/test/1.test.ts b/test/1.test.ts
new file mode 100644
index 000000000..3a25b17a8
--- /dev/null
+++ b/test/1.test.ts
@@ -0,0 +1,100 @@
+/*
+  Template test file. Demonstrates how to:
+  - Initialize the server
+  - Stub dependencies with vi.spyOn
+  - Use supertest to make requests to the server
+  - Reset stubs after each test
+  - Use vi.doMock to replace modules
+  - Reset module cache after a test
+*/
+
+import { describe, it, beforeAll, afterAll, beforeEach, afterEach, expect, vi } from 'vitest';
+import request from 'supertest';
+import service from '../src/service';
+import * as db from '../src/db';
+import Proxy from '../src/proxy';
+
+// Create constants for values used in multiple tests
+const TEST_REPO = {
+  project: 'finos',
+  name: 'db-test-repo',
+  url: 'https://github.com/finos/db-test-repo.git',
+  users: { canPush: [], canAuthorise: [] },
+};
+
+describe('init', () => {
+  let app: any;
+
+  // Runs before all tests
+  beforeAll(async function () {
+    // Starts the service and returns the express app
+    const proxy = new Proxy();
+    app = await service.start(proxy);
+  });
+
+  // Runs before each test
+  beforeEach(async function () {
+    // Example: stub a DB method
+    vi.spyOn(db, 'getRepo').mockResolvedValue(TEST_REPO);
+  });
+
+  // Runs after each test
+  afterEach(function () {
+    // Restore all stubs: This cleans up replaced behaviour on existing modules
+    // Required when using vi.spyOn or vi.fn to stub modules/functions
+    vi.restoreAllMocks();
+
+    // Clear module cache: Wipes modules cache so imports are fresh for the next test file
+    // Required when using vi.doMock to override modules
+    vi.resetModules();
+  });
+
+  // Runs after all tests
+  afterAll(function () {
+    // Must close the server to avoid EADDRINUSE errors when running tests in parallel
+    service.httpServer.close();
+  });
+
+  // Example test: check server is running
+  it('should return 401 if not logged in', async function () {
+    const res = await request(app).get('/api/auth/profile');
+    expect(res.status).toBe(401);
+  });
+
+  // Example test: check db stub is working
+  it('should get the repo from stubbed db', async function () {
+    const repo = await db.getRepo('finos/db-test-repo');
+    expect(repo).toEqual(TEST_REPO);
+  });
+
+  // Example test: use vi.doMock to override the config module
+  it('should return an array of enabled auth methods when overridden', async () => {
+    // fs must be mocked BEFORE importing the config module
+    // We also mock existsSync to ensure the file "exists"
+    vi.doMock('fs', async (importOriginal) => {
+      const actual: any = await importOriginal();
+      return {
+        ...actual,
+        readFileSync: vi.fn().mockReturnValue(
+          JSON.stringify({
+            authentication: [
+              { type: 'local', enabled: true },
+              { type: 'ActiveDirectory', enabled: true },
+              { type: 'openidconnect', enabled: true },
+            ],
+          }),
+        ),
+        existsSync: vi.fn().mockReturnValue(true),
+      };
+    });
+
+    // Then we inline import the config module to use the mocked fs
+    // Top-level imports don't work here (they resolve to the original fs module)
+    const config = await import('../src/config');
+    config.initUserConfig();
+
+    const authMethods = config.getAuthMethods();
+    expect(authMethods).toHaveLength(3);
+    expect(authMethods[0].type).toBe('local');
+  });
+});
diff --git a/test/ConfigLoader.test.js b/test/ConfigLoader.test.ts
similarity index 60%
rename from test/ConfigLoader.test.js
rename to test/ConfigLoader.test.ts
index 76c659855..559461747 100644
--- a/test/ConfigLoader.test.js
+++ b/test/ConfigLoader.test.ts
@@ -1,16 +1,26 @@
+import { describe, it, beforeEach, afterEach, afterAll, expect, vi } from 'vitest';
 import fs from 'fs';
 import path from 'path';
 import { configFile } from '../src/config/file';
-import { expect } from 'chai';
-import { ConfigLoader } from '../src/config/ConfigLoader';
-import { isValidGitUrl, isValidPath, isValidBranchName } from '../src/config/ConfigLoader';
-import sinon from 'sinon';
+import {
+  ConfigLoader,
+  isValidGitUrl,
+  isValidPath,
+  isValidBranchName,
+} from '../src/config/ConfigLoader';
+import {
+  Configuration,
+  ConfigurationSource,
+  FileSource,
+  GitSource,
+  HttpSource,
+} from '../src/config/types';
 import axios from 'axios';
 
 describe('ConfigLoader', () => {
-  let configLoader;
-  let tempDir;
-  let tempConfigFile;
+  let configLoader: ConfigLoader;
+  let tempDir: string;
+  let tempConfigFile: string;
 
   beforeEach(() => {
     // Create temp directory for test files
@@ -23,11 +33,11 @@ describe('ConfigLoader', () => {
     if (fs.existsSync(tempDir)) {
       fs.rmSync(tempDir, { recursive: true });
     }
-    sinon.restore();
+    vi.restoreAllMocks();
     configLoader?.stop();
   });
 
-  after(async () => {
+  afterAll(async () => {
     // reset config to default after all tests have run
     console.log(`Restoring config to defaults from file ${configFile}`);
     configLoader = new ConfigLoader({});
@@ -38,10 +48,6 @@ describe('ConfigLoader', () => {
     });
   });
 
-  after(() => {
-    // restore default config
-  });
-
   describe('loadFromFile', () => {
     it('should load configuration from file', async () => {
       const testConfig = {
@@ -57,9 +63,9 @@ describe('ConfigLoader', () => {
         path: tempConfigFile,
       });
 
-      expect(result).to.be.an('object');
-      expect(result.proxyUrl).to.equal('https://test.com');
-      expect(result.cookieSecret).to.equal('test-secret');
+      expect(result).toBeTypeOf('object');
+      expect(result.proxyUrl).toBe('https://test.com');
+      expect(result.cookieSecret).toBe('test-secret');
     });
   });
 
@@ -70,7 +76,7 @@ describe('ConfigLoader', () => {
         cookieSecret: 'test-secret',
       };
 
-      sinon.stub(axios, 'get').resolves({ data: testConfig });
+      vi.spyOn(axios, 'get').mockResolvedValue({ data: testConfig });
 
       configLoader = new ConfigLoader({});
       const result = await configLoader.loadFromHttp({
@@ -80,13 +86,13 @@ describe('ConfigLoader', () => {
         headers: {},
       });
 
-      expect(result).to.be.an('object');
-      expect(result.proxyUrl).to.equal('https://test.com');
-      expect(result.cookieSecret).to.equal('test-secret');
+      expect(result).toBeTypeOf('object');
+      expect(result.proxyUrl).toBe('https://test.com');
+      expect(result.cookieSecret).toBe('test-secret');
     });
 
     it('should include bearer token if provided', async () => {
-      const axiosStub = sinon.stub(axios, 'get').resolves({ data: {} });
+      const axiosStub = vi.spyOn(axios, 'get').mockResolvedValue({ data: {} });
 
       configLoader = new ConfigLoader({});
       await configLoader.loadFromHttp({
@@ -99,17 +105,15 @@ describe('ConfigLoader', () => {
         },
       });
 
-      expect(
-        axiosStub.calledWith('http://config-service/config', {
-          headers: { Authorization: 'Bearer test-token' },
-        }),
-      ).to.be.true;
+      expect(axiosStub).toHaveBeenCalledWith('http://config-service/config', {
+        headers: { Authorization: 'Bearer test-token' },
+      });
     });
   });
 
   describe('reloadConfiguration', () => {
     it('should emit configurationChanged event when config changes', async () => {
-      const initialConfig = {
+      const initialConfig: Configuration = {
         configurationSources: {
           enabled: true,
           sources: [
@@ -130,13 +134,13 @@ describe('ConfigLoader', () => {
       fs.writeFileSync(tempConfigFile, JSON.stringify(newConfig));
 
       configLoader = new ConfigLoader(initialConfig);
-      const spy = sinon.spy();
+      const spy = vi.fn();
       configLoader.on('configurationChanged', spy);
 
       await configLoader.reloadConfiguration();
 
-      expect(spy.calledOnce).to.be.true;
-      expect(spy.firstCall.args[0]).to.deep.include(newConfig);
+      expect(spy).toHaveBeenCalledOnce();
+      expect(spy.mock.calls[0][0]).toMatchObject(newConfig);
     });
 
     it('should not emit event if config has not changed', async () => {
@@ -144,7 +148,7 @@ describe('ConfigLoader', () => {
         proxyUrl: 'https://test.com',
       };
 
-      const config = {
+      const config: Configuration = {
         configurationSources: {
           enabled: true,
           sources: [
@@ -161,29 +165,31 @@ describe('ConfigLoader', () => {
       fs.writeFileSync(tempConfigFile, JSON.stringify(testConfig));
 
       configLoader = new ConfigLoader(config);
-      const spy = sinon.spy();
+      const spy = vi.fn();
       configLoader.on('configurationChanged', spy);
 
       await configLoader.reloadConfiguration(); // First reload should emit
       await configLoader.reloadConfiguration(); // Second reload should not emit since config hasn't changed
 
-      expect(spy.calledOnce).to.be.true; // Should only emit once
+      expect(spy).toHaveBeenCalledOnce(); // Should only emit once
     });
 
     it('should not emit event if configurationSources is disabled', async () => {
-      const config = {
+      const config: Configuration = {
         configurationSources: {
           enabled: false,
+          sources: [],
+          reloadIntervalSeconds: 0,
         },
       };
 
       configLoader = new ConfigLoader(config);
-      const spy = sinon.spy();
+      const spy = vi.fn();
       configLoader.on('configurationChanged', spy);
 
       await configLoader.reloadConfiguration();
 
-      expect(spy.called).to.be.false;
+      expect(spy).not.toHaveBeenCalled();
     });
   });
 
@@ -193,44 +199,35 @@ describe('ConfigLoader', () => {
       await configLoader.initialize();
 
       // Check that cacheDir is set and is a string
-      expect(configLoader.cacheDir).to.be.a('string');
+      expect(configLoader.cacheDirPath).toBeTypeOf('string');
 
       // Check that it contains 'git-proxy' in the path
-      expect(configLoader.cacheDir).to.include('git-proxy');
+      expect(configLoader.cacheDirPath).toContain('git-proxy');
 
       // On macOS, it should be in the Library/Caches directory
       // On Linux, it should be in the ~/.cache directory
       // On Windows, it should be in the AppData/Local directory
       if (process.platform === 'darwin') {
-        expect(configLoader.cacheDir).to.include('Library/Caches');
+        expect(configLoader.cacheDirPath).toContain('Library/Caches');
       } else if (process.platform === 'linux') {
-        expect(configLoader.cacheDir).to.include('.cache');
+        expect(configLoader.cacheDirPath).toContain('.cache');
       } else if (process.platform === 'win32') {
-        expect(configLoader.cacheDir).to.include('AppData/Local');
+        expect(configLoader.cacheDirPath).toContain('AppData/Local');
       }
     });
 
-    it('should return cacheDirPath via getter', async () => {
-      configLoader = new ConfigLoader({});
-      await configLoader.initialize();
-
-      const cacheDirPath = configLoader.cacheDirPath;
-      expect(cacheDirPath).to.equal(configLoader.cacheDir);
-      expect(cacheDirPath).to.be.a('string');
-    });
-
     it('should create cache directory if it does not exist', async () => {
       configLoader = new ConfigLoader({});
       await configLoader.initialize();
 
       // Check if directory exists
-      expect(fs.existsSync(configLoader.cacheDir)).to.be.true;
+      expect(fs.existsSync(configLoader.cacheDirPath!)).toBe(true);
     });
   });
 
   describe('start', () => {
     it('should perform initial load on start if configurationSources is enabled', async () => {
-      const mockConfig = {
+      const mockConfig: Configuration = {
         configurationSources: {
           enabled: true,
           sources: [
@@ -240,19 +237,19 @@ describe('ConfigLoader', () => {
               path: tempConfigFile,
             },
           ],
-          reloadIntervalSeconds: 30,
+          reloadIntervalSeconds: 0,
         },
       };
 
       configLoader = new ConfigLoader(mockConfig);
-      const spy = sinon.spy(configLoader, 'reloadConfiguration');
+      const spy = vi.spyOn(configLoader, 'reloadConfiguration');
       await configLoader.start();
 
-      expect(spy.calledOnce).to.be.true;
+      expect(spy).toHaveBeenCalledOnce();
     });
 
     it('should clear an existing reload interval if it exists', async () => {
-      const mockConfig = {
+      const mockConfig: Configuration = {
         configurationSources: {
           enabled: true,
           sources: [
@@ -262,17 +259,20 @@ describe('ConfigLoader', () => {
               path: tempConfigFile,
             },
           ],
+          reloadIntervalSeconds: 0,
         },
       };
 
       configLoader = new ConfigLoader(mockConfig);
-      configLoader.reloadTimer = setInterval(() => {}, 1000);
+
+      // private property overridden for testing
+      (configLoader as any).reloadTimer = setInterval(() => {}, 1000);
       await configLoader.start();
-      expect(configLoader.reloadTimer).to.be.null;
+      expect((configLoader as any).reloadTimer).toBe(null);
     });
 
     it('should run reloadConfiguration multiple times on short reload interval', async () => {
-      const mockConfig = {
+      const mockConfig: Configuration = {
         configurationSources: {
           enabled: true,
           sources: [
@@ -287,17 +287,17 @@ describe('ConfigLoader', () => {
       };
 
       configLoader = new ConfigLoader(mockConfig);
-      const spy = sinon.spy(configLoader, 'reloadConfiguration');
+      const spy = vi.spyOn(configLoader, 'reloadConfiguration');
       await configLoader.start();
 
       // Make sure the reload interval is triggered
       await new Promise((resolve) => setTimeout(resolve, 50));
 
-      expect(spy.callCount).to.greaterThan(1);
+      expect(spy.mock.calls.length).toBeGreaterThan(1);
     });
 
     it('should clear the interval when stop is called', async () => {
-      const mockConfig = {
+      const mockConfig: Configuration = {
         configurationSources: {
           enabled: true,
           sources: [
@@ -307,14 +307,17 @@ describe('ConfigLoader', () => {
               path: tempConfigFile,
             },
           ],
+          reloadIntervalSeconds: 0,
         },
       };
 
       configLoader = new ConfigLoader(mockConfig);
-      configLoader.reloadTimer = setInterval(() => {}, 1000);
-      expect(configLoader.reloadTimer).to.not.be.null;
+
+      // private property overridden for testing
+      (configLoader as any).reloadTimer = setInterval(() => {}, 1000);
+      expect((configLoader as any).reloadTimer).not.toBe(null);
       await configLoader.stop();
-      expect(configLoader.reloadTimer).to.be.null;
+      expect((configLoader as any).reloadTimer).toBe(null);
     });
   });
 
@@ -329,124 +332,105 @@ describe('ConfigLoader', () => {
     });
 
     it('should load configuration from git repository', async function () {
-      this.timeout(10000);
-
       const source = {
         type: 'git',
         repository: 'https://github.com/finos/git-proxy.git',
         path: 'proxy.config.json',
         branch: 'main',
         enabled: true,
-      };
+      } as GitSource;
 
       const config = await configLoader.loadFromSource(source);
 
       // Verify the loaded config has expected structure
-      expect(config).to.be.an('object');
-      expect(config).to.have.property('cookieSecret');
-    });
+      expect(config).toBeTypeOf('object');
+      expect(config).toHaveProperty('cookieSecret');
+    }, 10000);
 
-    it('should throw error for invalid configuration file path (git)', async function () {
+    it('should throw error for invalid configuration file path (git)', async () => {
       const source = {
         type: 'git',
         repository: 'https://github.com/finos/git-proxy.git',
         path: '\0', // Invalid path
         branch: 'main',
         enabled: true,
-      };
+      } as GitSource;
 
-      try {
-        await configLoader.loadFromSource(source);
-        throw new Error('Expected error was not thrown');
-      } catch (error) {
-        expect(error.message).to.equal('Invalid configuration file path in repository');
-      }
+      await expect(configLoader.loadFromSource(source)).rejects.toThrow(
+        'Invalid configuration file path in repository',
+      );
     });
 
-    it('should throw error for invalid configuration file path (file)', async function () {
+    it('should throw error for invalid configuration file path (file)', async () => {
       const source = {
         type: 'file',
         path: '\0', // Invalid path
         enabled: true,
-      };
+      } as FileSource;
 
-      try {
-        await configLoader.loadFromSource(source);
-        throw new Error('Expected error was not thrown');
-      } catch (error) {
-        expect(error.message).to.equal('Invalid configuration file path');
-      }
+      await expect(configLoader.loadFromSource(source)).rejects.toThrow(
+        'Invalid configuration file path',
+      );
     });
 
     it('should load configuration from http', async function () {
-      this.timeout(10000);
-
       const source = {
         type: 'http',
         url: 'https://raw.githubusercontent.com/finos/git-proxy/refs/heads/main/proxy.config.json',
         enabled: true,
-      };
+      } as HttpSource;
 
       const config = await configLoader.loadFromSource(source);
 
       // Verify the loaded config has expected structure
-      expect(config).to.be.an('object');
-      expect(config).to.have.property('cookieSecret');
-    });
+      expect(config).toBeTypeOf('object');
+      expect(config).toHaveProperty('cookieSecret');
+    }, 10000);
 
-    it('should throw error if repository is invalid', async function () {
+    it('should throw error if repository is invalid', async () => {
       const source = {
         type: 'git',
         repository: 'invalid-repository',
         path: 'proxy.config.json',
         branch: 'main',
         enabled: true,
-      };
+      } as GitSource;
 
-      try {
-        await configLoader.loadFromSource(source);
-        throw new Error('Expected error was not thrown');
-      } catch (error) {
-        expect(error.message).to.equal('Invalid repository URL format');
-      }
+      await expect(configLoader.loadFromSource(source)).rejects.toThrow(
+        'Invalid repository URL format',
+      );
     });
 
-    it('should throw error if branch name is invalid', async function () {
+    it('should throw error if branch name is invalid', async () => {
       const source = {
         type: 'git',
         repository: 'https://github.com/finos/git-proxy.git',
         path: 'proxy.config.json',
         branch: '..', // invalid branch pattern
         enabled: true,
-      };
+      } as GitSource;
 
-      try {
-        await configLoader.loadFromSource(source);
-        throw new Error('Expected error was not thrown');
-      } catch (error) {
-        expect(error.message).to.equal('Invalid branch name format');
-      }
+      await expect(configLoader.loadFromSource(source)).rejects.toThrow(
+        'Invalid branch name format',
+      );
     });
 
-    it('should throw error if configuration source is invalid', async function () {
-      const source = {
-        type: 'invalid',
+    it('should throw error if configuration source is invalid', async () => {
+      const source: ConfigurationSource = {
+        type: 'invalid' as any, // invalid type
         repository: 'https://github.com/finos/git-proxy.git',
         path: 'proxy.config.json',
         branch: 'main',
         enabled: true,
       };
 
-      try {
-        await configLoader.loadFromSource(source);
-        throw new Error('Expected error was not thrown');
-      } catch (error) {
-        expect(error.message).to.contain('Unsupported configuration source type');
-      }
+      await expect(configLoader.loadFromSource(source)).rejects.toThrow(
+        /Unsupported configuration source type/,
+      );
     });
 
-    it('should throw error if repository is a valid URL but not a git repository', async function () {
-      const source = {
+    it('should throw error if repository is a valid URL but not a git repository', async () => {
+      const source: ConfigurationSource = {
         type: 'git',
         repository: 'https://github.com/finos/made-up-test-repo.git',
         path: 'proxy.config.json',
@@ -454,16 +438,13 @@ describe('ConfigLoader', () => {
         enabled: true,
       };
 
-      try {
-        await configLoader.loadFromSource(source);
-        throw new Error('Expected error was not thrown');
-      } catch (error) {
-        expect(error.message).to.contain('Failed to clone repository');
-      }
+      await expect(configLoader.loadFromSource(source)).rejects.toThrow(
+        /Failed to clone repository/,
+      );
     });
 
-    it('should throw error if repository is a valid git repo but the branch does not exist', async function () {
-      const source = {
+    it('should throw error if repository is a valid git repo but the branch does not exist', async () => {
+      const source: ConfigurationSource = {
         type: 'git',
         repository: 'https://github.com/finos/git-proxy.git',
         path: 'proxy.config.json',
@@ -471,16 +452,13 @@ describe('ConfigLoader', () => {
         enabled: true,
       };
 
-      try {
-        await configLoader.loadFromSource(source);
-        throw new Error('Expected error was not thrown');
-      } catch (error) {
-        expect(error.message).to.contain('Failed to checkout branch');
-      }
+      await expect(configLoader.loadFromSource(source)).rejects.toThrow(
+        /Failed to checkout branch/,
+      );
     });
 
-    it('should throw error if config path was not found', async function () {
-      const source = {
+    it('should throw error if config path was not found', async () => {
+      const source: ConfigurationSource = {
         type: 'git',
         repository: 'https://github.com/finos/git-proxy.git',
         path: 'path-not-found.json',
@@ -488,16 +466,13 @@ describe('ConfigLoader', () => {
         enabled: true,
       };
 
-      try {
-        await configLoader.loadFromSource(source);
-        throw new Error('Expected error was not thrown');
-      } catch (error) {
-        expect(error.message).to.contain('Configuration file not found at');
-      }
+      await expect(configLoader.loadFromSource(source)).rejects.toThrow(
+        /Configuration file not found at/,
+      );
     });
 
-    it('should throw error if config file is not valid JSON', async function () {
-      const source = {
+    it('should throw error if config file is not valid JSON', async () => {
+      const source: ConfigurationSource = {
         type: 'git',
         repository: 'https://github.com/finos/git-proxy.git',
         path: 'test/fixtures/baz.js',
@@ -505,17 +480,14 @@ describe('ConfigLoader', () => {
         enabled: true,
       };
 
-      try {
-        await configLoader.loadFromSource(source);
-        throw new Error('Expected error was not thrown');
-      } catch (error) {
-        expect(error.message).to.contain('Failed to read or parse configuration file');
-      }
+      await expect(configLoader.loadFromSource(source)).rejects.toThrow(
+        /Failed to read or parse configuration file/,
+      );
     });
   });
 
   describe('deepMerge', () => {
-    let configLoader;
+    let configLoader: ConfigLoader;
 
     beforeEach(() => {
       configLoader = new ConfigLoader({});
@@ -527,7 +499,7 @@ describe('ConfigLoader', () => {
 
       const result = configLoader.deepMerge(target, source);
 
-      expect(result).to.deep.equal({ a: 1, b: 3, c: 4 });
+      expect(result).toEqual({ a: 1, b: 3, c: 4 });
     });
 
     it('should merge nested objects', () => {
@@ -543,7 +515,7 @@ describe('ConfigLoader', () => {
 
       const result = configLoader.deepMerge(target, source);
 
-      expect(result).to.deep.equal({
+      expect(result).toEqual({
         a: 1,
         b: { x: 1, y: 4, w: 5 },
         c: { z: 6 },
@@ -562,7 +534,7 @@ describe('ConfigLoader', () => {
 
       const result = configLoader.deepMerge(target, source);
 
-      expect(result).to.deep.equal({
+      expect(result).toEqual({
         a: [7, 8],
         b: { items: [9] },
       });
@@ -582,7 +554,7 @@ describe('ConfigLoader', () => {
 
       const result = configLoader.deepMerge(target, source);
 
-      expect(result).to.deep.equal({
+      expect(result).toEqual({
         a: null,
         b: 2,
         c: 3,
@@ -595,7 +567,7 @@ describe('ConfigLoader', () => {
 
       const result = configLoader.deepMerge(target, source);
 
-      expect(result).to.deep.equal({ a: 1, b: { c: 2 } });
+      expect(result).toEqual({ a: 1, b: { c: 2 } });
     });
 
     it('should not modify the original objects', () => {
@@ -606,8 +578,8 @@ describe('ConfigLoader', () => {
 
       configLoader.deepMerge(target, source);
 
-      expect(target).to.deep.equal(originalTarget);
-      expect(source).to.deep.equal(originalSource);
+      expect(target).toEqual(originalTarget);
+      expect(source).toEqual(originalSource);
     });
   });
 });
@@ -616,18 +588,18 @@ describe('Validation Helpers', () => {
   describe('isValidGitUrl', () => {
     it('should validate git URLs correctly', () => {
       // Valid URLs
-      expect(isValidGitUrl('git://github.com/user/repo.git')).to.be.true;
-      expect(isValidGitUrl('https://github.com/user/repo.git')).to.be.true;
-      expect(isValidGitUrl('ssh://git@github.com/user/repo.git')).to.be.true;
-      expect(isValidGitUrl('user@github.com:user/repo.git')).to.be.true;
+      expect(isValidGitUrl('git://github.com/user/repo.git')).toBe(true);
+      expect(isValidGitUrl('https://github.com/user/repo.git')).toBe(true);
+      expect(isValidGitUrl('ssh://git@github.com/user/repo.git')).toBe(true);
+      expect(isValidGitUrl('user@github.com:user/repo.git')).toBe(true);
 
       // Invalid URLs
-      expect(isValidGitUrl('not-a-git-url')).to.be.false;
-      expect(isValidGitUrl('http://github.com/user/repo')).to.be.false;
-      expect(isValidGitUrl('')).to.be.false;
-      expect(isValidGitUrl(null)).to.be.false;
-      expect(isValidGitUrl(undefined)).to.be.false;
-      expect(isValidGitUrl(123)).to.be.false;
+      expect(isValidGitUrl('not-a-git-url')).toBe(false);
+      expect(isValidGitUrl('http://github.com/user/repo')).toBe(false);
+      expect(isValidGitUrl('')).toBe(false);
+      expect(isValidGitUrl(null as any)).toBe(false);
+      expect(isValidGitUrl(undefined as any)).toBe(false);
+      expect(isValidGitUrl(123 as any)).toBe(false);
     });
   });
 
@@ -636,64 +608,51 @@ describe('Validation Helpers', () => {
       const cwd = process.cwd();
 
       // Valid paths
-      expect(isValidPath(path.join(cwd, 'config.json'))).to.be.true;
-      expect(isValidPath(path.join(cwd, 'subfolder/config.json'))).to.be.true;
-      expect(isValidPath('/etc/passwd')).to.be.true;
-      expect(isValidPath('../config.json')).to.be.true;
+      expect(isValidPath(path.join(cwd, 'config.json'))).toBe(true);
+      expect(isValidPath(path.join(cwd, 'subfolder/config.json'))).toBe(true);
+      expect(isValidPath('/etc/passwd')).toBe(true);
+      expect(isValidPath('../config.json')).toBe(true);
 
       // Invalid paths
-      expect(isValidPath('')).to.be.false;
-      expect(isValidPath(null)).to.be.false;
-      expect(isValidPath(undefined)).to.be.false;
+      expect(isValidPath('')).toBe(false);
+      expect(isValidPath(null as any)).toBe(false);
+      expect(isValidPath(undefined as any)).toBe(false);
 
       // Additional edge cases
-      expect(isValidPath({})).to.be.false;
-      expect(isValidPath([])).to.be.false;
-      expect(isValidPath(123)).to.be.false;
-      expect(isValidPath(true)).to.be.false;
-      expect(isValidPath('\0invalid')).to.be.false;
-      expect(isValidPath('\u0000')).to.be.false;
-    });
-
-    it('should handle path resolution errors', () => {
-      // Mock path.resolve to throw an error
-      const originalResolve = path.resolve;
-      path.resolve = () => {
-        throw new Error('Mock path resolution error');
-      };
-
-      expect(isValidPath('some/path')).to.be.false;
-
-      // Restore original path.resolve
-      path.resolve = originalResolve;
+      expect(isValidPath({} as any)).toBe(false);
+      expect(isValidPath([] as any)).toBe(false);
+      expect(isValidPath(123 as any)).toBe(false);
+      expect(isValidPath(true as any)).toBe(false);
+      expect(isValidPath('\0invalid')).toBe(false);
+      expect(isValidPath('\u0000')).toBe(false);
     });
   });
 
   describe('isValidBranchName', () => {
     it('should validate git branch names correctly', () => {
       // Valid branch names
-      expect(isValidBranchName('main')).to.be.true;
-      expect(isValidBranchName('feature/new-feature')).to.be.true;
-      expect(isValidBranchName('release-1.0')).to.be.true;
-      expect(isValidBranchName('fix_123')).to.be.true;
-      expect(isValidBranchName('user/feature/branch')).to.be.true;
+      expect(isValidBranchName('main')).toBe(true);
+      expect(isValidBranchName('feature/new-feature')).toBe(true);
+      expect(isValidBranchName('release-1.0')).toBe(true);
+      expect(isValidBranchName('fix_123')).toBe(true);
+      expect(isValidBranchName('user/feature/branch')).toBe(true);
 
       // Invalid branch names
-      expect(isValidBranchName('.invalid')).to.be.false;
-      expect(isValidBranchName('-invalid')).to.be.false;
-      expect(isValidBranchName('branch with spaces')).to.be.false;
-      expect(isValidBranchName('')).to.be.false;
-      expect(isValidBranchName(null)).to.be.false;
-      expect(isValidBranchName(undefined)).to.be.false;
-      expect(isValidBranchName('branch..name')).to.be.false;
+      expect(isValidBranchName('.invalid')).toBe(false);
+      expect(isValidBranchName('-invalid')).toBe(false);
+      expect(isValidBranchName('branch with spaces')).toBe(false);
+      expect(isValidBranchName('')).toBe(false);
+      expect(isValidBranchName(null as any)).toBe(false);
+      expect(isValidBranchName(undefined as any)).toBe(false);
+      expect(isValidBranchName('branch..name')).toBe(false);
     });
   });
 });
 
 describe('ConfigLoader Error Handling', () => {
-  let configLoader;
-  let tempDir;
-  let tempConfigFile;
+  let configLoader: ConfigLoader;
+  let tempDir: string;
+  let tempConfigFile: string;
 
   beforeEach(() => {
     tempDir = fs.mkdtempSync('gitproxy-configloader-test-');
@@ -704,7 +663,7 @@ describe('ConfigLoader Error Handling', () => {
     if (fs.existsSync(tempDir)) {
       fs.rmSync(tempDir, { recursive: true });
     }
-    sinon.restore();
+    vi.restoreAllMocks();
     configLoader?.stop();
   });
 
@@ -712,47 +671,38 @@ describe('ConfigLoader Error Handling', () => {
     fs.writeFileSync(tempConfigFile, 'invalid json content');
 
     configLoader = new ConfigLoader({});
-    try {
-      await configLoader.loadFromFile({
+    await expect(
+      configLoader.loadFromFile({
         type: 'file',
         enabled: true,
         path: tempConfigFile,
-      });
-      throw new Error('Expected error was not thrown');
-    } catch (error) {
-      expect(error.message).to.contain('Invalid configuration file format');
-    }
+      }),
+    ).rejects.toThrow(/Invalid configuration file format/);
   });
 
   it('should handle HTTP request errors', async () => {
-    sinon.stub(axios, 'get').rejects(new Error('Network error'));
+    vi.spyOn(axios, 'get').mockRejectedValue(new Error('Network error'));
 
     configLoader = new ConfigLoader({});
-    try {
-      await configLoader.loadFromHttp({
+    await expect(
+      configLoader.loadFromHttp({
         type: 'http',
         enabled: true,
         url: 'http://config-service/config',
-      });
-      throw new Error('Expected error was not thrown');
-    } catch (error) {
-      expect(error.message).to.equal('Network error');
-    }
+      }),
+    ).rejects.toThrow('Network error');
   });
 
   it('should handle invalid JSON from HTTP response', async () => {
-    sinon.stub(axios, 'get').resolves({ data: 'invalid json response' });
+    vi.spyOn(axios, 'get').mockResolvedValue({ data: 'invalid json response' });
 
     configLoader = new ConfigLoader({});
-    try {
-      await configLoader.loadFromHttp({
+    await expect(
+      configLoader.loadFromHttp({
         type: 'http',
         enabled: true,
         url: 'http://config-service/config',
-      });
-      throw new Error('Expected error was not thrown');
-    } catch (error) {
-      expect(error.message).to.contain('Invalid configuration format from HTTP source');
-    }
+      }),
+    ).rejects.toThrow(/Invalid configuration format from HTTP source/);
   });
 });
diff --git a/test/chain.test.js b/test/chain.test.js
deleted file mode 100644
index 0db86ac91..000000000
--- a/test/chain.test.js
+++ /dev/null
@@ -1,480 +0,0 @@
-const chai = require('chai');
-const sinon = require('sinon');
-const { PluginLoader } = require('../src/plugin');
-const db = require('../src/db');
-
-chai.should();
-const expect = chai.expect;
-
-const mockLoader = {
-  pushPlugins: [
-    { exec: Object.assign(async () => console.log('foo'), { displayName: 'foo.exec' }) },
-  ],
-  pullPlugins: [
-    { exec: Object.assign(async () => console.log('foo'), { displayName: 'bar.exec' }) },
-  ],
-};
-
-const initMockPushProcessors = (sinon) => {
-  const mockPushProcessors = {
-    parsePush: sinon.stub(),
-    checkEmptyBranch: sinon.stub(),
-    audit: sinon.stub(),
-    checkRepoInAuthorisedList: sinon.stub(),
-    checkCommitMessages: sinon.stub(),
-    checkAuthorEmails: sinon.stub(),
-    checkUserPushPermission: sinon.stub(),
-    checkIfWaitingAuth: sinon.stub(),
-    checkHiddenCommits: sinon.stub(),
-    pullRemote: sinon.stub(),
-    writePack: sinon.stub(),
-    preReceive: sinon.stub(),
-    getDiff: sinon.stub(),
-    gitleaks: sinon.stub(),
-    clearBareClone: sinon.stub(),
-    scanDiff: sinon.stub(),
-    blockForAuth: sinon.stub(),
-  };
-  mockPushProcessors.parsePush.displayName = 'parsePush';
-  mockPushProcessors.checkEmptyBranch.displayName = 'checkEmptyBranch';
-  mockPushProcessors.audit.displayName = 'audit';
-  mockPushProcessors.checkRepoInAuthorisedList.displayName = 'checkRepoInAuthorisedList';
-  mockPushProcessors.checkCommitMessages.displayName = 'checkCommitMessages';
-  mockPushProcessors.checkAuthorEmails.displayName = 'checkAuthorEmails';
-  mockPushProcessors.checkUserPushPermission.displayName = 'checkUserPushPermission';
-  mockPushProcessors.checkIfWaitingAuth.displayName = 'checkIfWaitingAuth';
-  mockPushProcessors.checkHiddenCommits.displayName = 'checkHiddenCommits';
-  mockPushProcessors.pullRemote.displayName = 'pullRemote';
-  mockPushProcessors.writePack.displayName = 'writePack';
-  mockPushProcessors.preReceive.displayName = 'preReceive';
-  mockPushProcessors.getDiff.displayName = 'getDiff';
-  mockPushProcessors.gitleaks.displayName = 'gitleaks';
-  mockPushProcessors.clearBareClone.displayName = 'clearBareClone';
-  mockPushProcessors.scanDiff.displayName = 'scanDiff';
-  mockPushProcessors.blockForAuth.displayName = 'blockForAuth';
-  return mockPushProcessors;
-};
-const mockPreProcessors = {
-  parseAction: sinon.stub(),
-};
-
-const clearCache = (sandbox) => {
-  delete require.cache[require.resolve('../src/proxy/processors')];
-  delete require.cache[require.resolve('../src/proxy/chain')];
-  sandbox.restore();
-};
-
-describe('proxy chain', function () {
-  let processors;
-  let chain;
-  let mockPushProcessors;
-  let sandboxSinon;
-
-  beforeEach(async () => {
-    // Create a new sandbox for each test
-    sandboxSinon = sinon.createSandbox();
-    // Initialize the mock push processors
-    mockPushProcessors = initMockPushProcessors(sandboxSinon);
-
-    // Re-import the processors module after clearing the cache
-    processors = await import('../src/proxy/processors');
-
-    // Mock the processors module
-    sandboxSinon.stub(processors, 'pre').value(mockPreProcessors);
-
-    sandboxSinon.stub(processors, 'push').value(mockPushProcessors);
-
-    // Re-import the chain module after stubbing processors
-    chain = require('../src/proxy/chain').default;
-
-    chain.chainPluginLoader = new PluginLoader([]);
-  });
-
-  afterEach(() => {
-    // Clear the module from the cache after each test
-    clearCache(sandboxSinon);
-  });
-
-  it('getChain should set pluginLoaded if loader is undefined', async function () {
-    chain.chainPluginLoader = undefined;
-    const actual = await chain.getChain({ type: 'push' });
-    expect(actual).to.deep.equal(chain.pushActionChain);
-    expect(chain.chainPluginLoader).to.be.undefined;
-    expect(chain.pluginsInserted).to.be.true;
-  });
-
-  it('getChain should load plugins from an initialized PluginLoader', async function () {
-    chain.chainPluginLoader = mockLoader;
-    const initialChain = [...chain.pushActionChain];
-    const actual = await chain.getChain({ type: 'push' });
-    expect(actual.length).to.be.greaterThan(initialChain.length);
-    expect(chain.pluginsInserted).to.be.true;
-  });
-
-  it('getChain should load pull plugins from an initialized PluginLoader', async function () {
-    chain.chainPluginLoader = mockLoader;
-    const initialChain = [...chain.pullActionChain];
-    const actual = await chain.getChain({ type: 'pull' });
-    expect(actual.length).to.be.greaterThan(initialChain.length);
-    expect(chain.pluginsInserted).to.be.true;
-  });
-
-  it('executeChain should stop executing if action has continue returns false', async function () {
-    const req = {};
-    const continuingAction = { type: 'push', continue: () => true, allowPush: false };
-    mockPreProcessors.parseAction.resolves({ type: 'push' });
-    mockPushProcessors.parsePush.resolves(continuingAction);
-    mockPushProcessors.checkEmptyBranch.resolves(continuingAction);
-    mockPushProcessors.checkRepoInAuthorisedList.resolves(continuingAction);
-    mockPushProcessors.checkCommitMessages.resolves(continuingAction);
-    mockPushProcessors.checkAuthorEmails.resolves(continuingAction);
-    mockPushProcessors.checkUserPushPermission.resolves(continuingAction);
-    mockPushProcessors.checkHiddenCommits.resolves(continuingAction);
-    mockPushProcessors.pullRemote.resolves(continuingAction);
-    mockPushProcessors.writePack.resolves(continuingAction);
-    // this stops the chain from further execution
-    mockPushProcessors.checkIfWaitingAuth.resolves({
-      type: 'push',
-      continue: () => false,
-      allowPush: false,
-    });
-    const result = await chain.executeChain(req);
-
-    expect(mockPreProcessors.parseAction.called).to.be.true;
-    expect(mockPushProcessors.parsePush.called).to.be.true;
-    expect(mockPushProcessors.checkRepoInAuthorisedList.called).to.be.true;
-    expect(mockPushProcessors.checkCommitMessages.called).to.be.true;
-    expect(mockPushProcessors.checkAuthorEmails.called).to.be.true;
-    expect(mockPushProcessors.checkUserPushPermission.called).to.be.true;
-    expect(mockPushProcessors.checkIfWaitingAuth.called).to.be.true;
-    expect(mockPushProcessors.pullRemote.called).to.be.true;
-    expect(mockPushProcessors.checkHiddenCommits.called).to.be.true;
-    expect(mockPushProcessors.writePack.called).to.be.true;
-    expect(mockPushProcessors.checkEmptyBranch.called).to.be.true;
-    expect(mockPushProcessors.audit.called).to.be.true;
-
-    expect(result.type).to.equal('push');
-    expect(result.allowPush).to.be.false;
-    expect(result.continue).to.be.a('function');
-  });
-
-  it('executeChain should stop executing if action has allowPush is set to true', async function () {
-    const req = {};
-    const continuingAction = { type: 'push', continue: () => true, allowPush: false };
-    mockPreProcessors.parseAction.resolves({ type: 'push' });
-    mockPushProcessors.parsePush.resolves(continuingAction);
-    mockPushProcessors.checkEmptyBranch.resolves(continuingAction);
-    mockPushProcessors.checkRepoInAuthorisedList.resolves(continuingAction);
-    mockPushProcessors.checkCommitMessages.resolves(continuingAction);
-    mockPushProcessors.checkAuthorEmails.resolves(continuingAction);
-    mockPushProcessors.checkUserPushPermission.resolves(continuingAction);
-    mockPushProcessors.checkHiddenCommits.resolves(continuingAction);
-    mockPushProcessors.pullRemote.resolves(continuingAction);
-    mockPushProcessors.writePack.resolves(continuingAction);
-    // this stops the chain from further execution
-    mockPushProcessors.checkIfWaitingAuth.resolves({
-      type: 'push',
-      continue: () => true,
-      allowPush: true,
-    });
-    const result = await chain.executeChain(req);
-
-    expect(mockPreProcessors.parseAction.called).to.be.true;
-    expect(mockPushProcessors.parsePush.called).to.be.true;
-    expect(mockPushProcessors.checkEmptyBranch.called).to.be.true;
-    expect(mockPushProcessors.checkRepoInAuthorisedList.called).to.be.true;
-    expect(mockPushProcessors.checkCommitMessages.called).to.be.true;
-    expect(mockPushProcessors.checkAuthorEmails.called).to.be.true;
-    expect(mockPushProcessors.checkUserPushPermission.called).to.be.true;
-    expect(mockPushProcessors.checkIfWaitingAuth.called).to.be.true;
-    expect(mockPushProcessors.pullRemote.called).to.be.true;
-    expect(mockPushProcessors.checkHiddenCommits.called).to.be.true;
-    expect(mockPushProcessors.writePack.called).to.be.true;
-    expect(mockPushProcessors.audit.called).to.be.true;
-
-    expect(result.type).to.equal('push');
-    expect(result.allowPush).to.be.true;
-    expect(result.continue).to.be.a('function');
-  });
-
-  it('executeChain should execute all steps if all actions succeed', async function () {
-    const req = {};
-    const continuingAction = { type: 'push', continue: () => true, allowPush: false };
-    mockPreProcessors.parseAction.resolves({ type: 'push' });
-    mockPushProcessors.parsePush.resolves(continuingAction);
-    mockPushProcessors.checkEmptyBranch.resolves(continuingAction);
-    mockPushProcessors.checkRepoInAuthorisedList.resolves(continuingAction);
-    mockPushProcessors.checkCommitMessages.resolves(continuingAction);
-    mockPushProcessors.checkAuthorEmails.resolves(continuingAction);
-    mockPushProcessors.checkUserPushPermission.resolves(continuingAction);
-    mockPushProcessors.checkIfWaitingAuth.resolves(continuingAction);
-    mockPushProcessors.pullRemote.resolves(continuingAction);
-    mockPushProcessors.writePack.resolves(continuingAction);
-    mockPushProcessors.checkHiddenCommits.resolves(continuingAction);
-    mockPushProcessors.preReceive.resolves(continuingAction);
-    mockPushProcessors.getDiff.resolves(continuingAction);
-    mockPushProcessors.gitleaks.resolves(continuingAction);
-    mockPushProcessors.clearBareClone.resolves(continuingAction);
-    mockPushProcessors.scanDiff.resolves(continuingAction);
-    mockPushProcessors.blockForAuth.resolves(continuingAction);
-
-    const result = await chain.executeChain(req);
-
-    expect(mockPreProcessors.parseAction.called).to.be.true;
-    expect(mockPushProcessors.parsePush.called).to.be.true;
-    expect(mockPushProcessors.checkEmptyBranch.called).to.be.true;
-    expect(mockPushProcessors.checkRepoInAuthorisedList.called).to.be.true;
-    expect(mockPushProcessors.checkCommitMessages.called).to.be.true;
-    expect(mockPushProcessors.checkAuthorEmails.called).to.be.true;
-    expect(mockPushProcessors.checkUserPushPermission.called).to.be.true;
-    expect(mockPushProcessors.checkIfWaitingAuth.called).to.be.true;
-    expect(mockPushProcessors.pullRemote.called).to.be.true;
-    expect(mockPushProcessors.checkHiddenCommits.called).to.be.true;
-    expect(mockPushProcessors.writePack.called).to.be.true;
-    expect(mockPushProcessors.preReceive.called).to.be.true;
-    expect(mockPushProcessors.getDiff.called).to.be.true;
-    expect(mockPushProcessors.gitleaks.called).to.be.true;
-    expect(mockPushProcessors.clearBareClone.called).to.be.true;
-    expect(mockPushProcessors.scanDiff.called).to.be.true;
-    expect(mockPushProcessors.blockForAuth.called).to.be.true;
-    expect(mockPushProcessors.audit.called).to.be.true;
-
-    expect(result.type).to.equal('push');
-    expect(result.allowPush).to.be.false;
-    expect(result.continue).to.be.a('function');
-  });
-
-  it('executeChain should run the expected steps for pulls', async function () {
-    const req = {};
-    const continuingAction = { type: 'pull', continue: () => true, allowPush: false };
-    mockPreProcessors.parseAction.resolves({ type: 'pull' });
-    mockPushProcessors.checkRepoInAuthorisedList.resolves(continuingAction);
-    const result = await chain.executeChain(req);
-
-    expect(mockPushProcessors.checkRepoInAuthorisedList.called).to.be.true;
-    expect(mockPushProcessors.parsePush.called).to.be.false;
-    expect(result.type).to.equal('pull');
-  });
-
-  it('executeChain should handle errors and still call audit', async function () {
-    const req = {};
-    const action = { type: 'push', continue: () => true, allowPush: true };
-
-    processors.pre.parseAction.resolves(action);
-    mockPushProcessors.parsePush.rejects(new Error('Audit error'));
-
-    try {
-      await chain.executeChain(req);
-    } catch {
-      // Ignore the error
-    }
-
-    expect(mockPushProcessors.audit.called).to.be.true;
-  });
-
-  it('executeChain should always run at least checkRepoInAuthList', async function () {
-    const req = {};
-    const action = { type: 'foo', continue: () => true, allowPush: true };
-
-    mockPreProcessors.parseAction.resolves(action);
-    mockPushProcessors.checkRepoInAuthorisedList.resolves(action);
-
-    await chain.executeChain(req);
-    expect(mockPushProcessors.checkRepoInAuthorisedList.called).to.be.true;
-  });
-
-  it('should approve push automatically and record in the database', async function () {
-    const req = {};
-    const action = {
-      type: 'push',
-      continue: () => true,
-      allowPush: false,
-      setAutoApproval: sinon.stub(),
-      repoName: 'test-repo',
-      commitTo: 'newCommitHash',
-    };
-
-    mockPreProcessors.parseAction.resolves(action);
-    mockPushProcessors.parsePush.resolves(action);
-    mockPushProcessors.checkEmptyBranch.resolves(action);
-    mockPushProcessors.checkRepoInAuthorisedList.resolves(action);
-    mockPushProcessors.checkCommitMessages.resolves(action);
-    mockPushProcessors.checkAuthorEmails.resolves(action);
-    mockPushProcessors.checkUserPushPermission.resolves(action);
-    mockPushProcessors.checkIfWaitingAuth.resolves(action);
-    mockPushProcessors.pullRemote.resolves(action);
-    mockPushProcessors.writePack.resolves(action);
-    mockPushProcessors.checkHiddenCommits.resolves(action);
-
-    mockPushProcessors.preReceive.resolves({
-      ...action,
-      steps: [{ error: false, logs: ['Push automatically approved by pre-receive hook.'] }],
-      allowPush: true,
-      autoApproved: true,
-    });
-
-    mockPushProcessors.getDiff.resolves(action);
-    mockPushProcessors.gitleaks.resolves(action);
-    mockPushProcessors.clearBareClone.resolves(action);
-    mockPushProcessors.scanDiff.resolves(action);
-    mockPushProcessors.blockForAuth.resolves(action);
-    const dbStub = sinon.stub(db, 'authorise').resolves(true);
-
-    const result = await chain.executeChain(req);
-
-    expect(result.type).to.equal('push');
-    expect(result.allowPush).to.be.true;
-    expect(result.continue).to.be.a('function');
-
-    expect(dbStub.calledOnce).to.be.true;
-
-    dbStub.restore();
-  });
-
-  it('should reject push automatically and record in the database', async function () {
-    const req = {};
-    const action = {
-      type: 'push',
-      continue: () => true,
-      allowPush: false,
-      setAutoRejection: sinon.stub(),
-      repoName: 'test-repo',
-      commitTo: 'newCommitHash',
-    };
-
-    mockPreProcessors.parseAction.resolves(action);
-    mockPushProcessors.parsePush.resolves(action);
-    mockPushProcessors.checkEmptyBranch.resolves(action);
-    mockPushProcessors.checkRepoInAuthorisedList.resolves(action);
-    mockPushProcessors.checkCommitMessages.resolves(action);
-    mockPushProcessors.checkAuthorEmails.resolves(action);
-    mockPushProcessors.checkUserPushPermission.resolves(action);
-    mockPushProcessors.checkIfWaitingAuth.resolves(action);
-    mockPushProcessors.pullRemote.resolves(action);
-    mockPushProcessors.writePack.resolves(action);
-    mockPushProcessors.checkHiddenCommits.resolves(action);
-
-    mockPushProcessors.preReceive.resolves({
-      ...action,
-      steps: [{ error: false, logs: ['Push automatically rejected by pre-receive hook.'] }],
-      allowPush: true,
-      autoRejected: true,
-    });
-
-    mockPushProcessors.getDiff.resolves(action);
-    mockPushProcessors.gitleaks.resolves(action);
-    mockPushProcessors.clearBareClone.resolves(action);
-    mockPushProcessors.scanDiff.resolves(action);
-    mockPushProcessors.blockForAuth.resolves(action);
-
-    const dbStub = sinon.stub(db, 'reject').resolves(true);
-
-    const result = await chain.executeChain(req);
-
-    expect(result.type).to.equal('push');
-    expect(result.allowPush).to.be.true;
-    expect(result.continue).to.be.a('function');
-
-    expect(dbStub.calledOnce).to.be.true;
-
-    dbStub.restore();
-  });
-
-  it('executeChain should handle exceptions in attemptAutoApproval', async function () {
-    const req = {};
-    const action = {
-      type: 'push',
-      continue: () => true,
-      allowPush: false,
-      setAutoApproval: sinon.stub(),
-      repoName: 'test-repo',
-      commitTo: 'newCommitHash',
-    };
-
-    mockPreProcessors.parseAction.resolves(action);
-    mockPushProcessors.parsePush.resolves(action);
-    mockPushProcessors.checkEmptyBranch.resolves(action);
-    mockPushProcessors.checkRepoInAuthorisedList.resolves(action);
-    mockPushProcessors.checkCommitMessages.resolves(action);
-    mockPushProcessors.checkAuthorEmails.resolves(action);
-    mockPushProcessors.checkUserPushPermission.resolves(action);
-    mockPushProcessors.checkIfWaitingAuth.resolves(action);
-    mockPushProcessors.pullRemote.resolves(action);
-    mockPushProcessors.writePack.resolves(action);
-    mockPushProcessors.checkHiddenCommits.resolves(action);
-
-    mockPushProcessors.preReceive.resolves({
-      ...action,
-      steps: [{ error: false, logs: ['Push automatically approved by pre-receive hook.'] }],
-      allowPush: true,
-      autoApproved: true,
-    });
-
-    mockPushProcessors.getDiff.resolves(action);
-    mockPushProcessors.gitleaks.resolves(action);
-    mockPushProcessors.clearBareClone.resolves(action);
-    mockPushProcessors.scanDiff.resolves(action);
-    mockPushProcessors.blockForAuth.resolves(action);
-
-    const error = new Error('Database error');
-
-    const consoleErrorStub = sinon.stub(console, 'error');
-    sinon.stub(db, 'authorise').rejects(error);
-    await chain.executeChain(req);
-    expect(consoleErrorStub.calledOnceWith('Error during auto-approval:', error.message)).to.be
-      .true;
-    db.authorise.restore();
-    consoleErrorStub.restore();
-  });
-
-  it('executeChain should handle exceptions in attemptAutoRejection', async function () {
-    const req = {};
-    const action = {
-      type: 'push',
-      continue: () => true,
-      allowPush: false,
-      setAutoRejection: sinon.stub(),
-      repoName: 'test-repo',
-      commitTo: 'newCommitHash',
-      autoRejected: true,
-    };
-
-    mockPreProcessors.parseAction.resolves(action);
-    mockPushProcessors.parsePush.resolves(action);
-    mockPushProcessors.checkEmptyBranch.resolves(action);
-    mockPushProcessors.checkRepoInAuthorisedList.resolves(action);
-    mockPushProcessors.checkCommitMessages.resolves(action);
-    mockPushProcessors.checkAuthorEmails.resolves(action);
-    mockPushProcessors.checkUserPushPermission.resolves(action);
-    mockPushProcessors.checkIfWaitingAuth.resolves(action);
-    mockPushProcessors.pullRemote.resolves(action);
-    mockPushProcessors.writePack.resolves(action);
-    mockPushProcessors.checkHiddenCommits.resolves(action);
-
-    mockPushProcessors.preReceive.resolves({
-      ...action,
-      steps: [{ error: false, logs: ['Push automatically rejected by pre-receive hook.'] }],
-      allowPush: false,
-      autoRejected: true,
-    });
-
-    mockPushProcessors.getDiff.resolves(action);
-    mockPushProcessors.gitleaks.resolves(action);
-    mockPushProcessors.clearBareClone.resolves(action);
-    mockPushProcessors.scanDiff.resolves(action);
-    mockPushProcessors.blockForAuth.resolves(action);
-
-    const error = new Error('Database error');
-
-    const consoleErrorStub = sinon.stub(console, 'error');
-    sinon.stub(db, 'reject').rejects(error);
-
-    await chain.executeChain(req);
-
-    expect(consoleErrorStub.calledOnceWith('Error during auto-rejection:', error.message)).to.be
-      .true;
-
-    db.reject.restore();
-    consoleErrorStub.restore();
-  });
-});
diff --git a/test/chain.test.ts b/test/chain.test.ts
new file mode 100644
index 000000000..e9bc3fb0a
--- /dev/null
+++ b/test/chain.test.ts
@@ -0,0 +1,456 @@
+import { describe, it, beforeEach, afterEach, expect, vi } from 'vitest';
+import { PluginLoader } from '../src/plugin';
+
+const mockLoader = {
+  pushPlugins: [
+    { exec: Object.assign(async () => console.log('foo'), { displayName: 'foo.exec' }) },
+  ],
+  pullPlugins: [
+    { exec: Object.assign(async () => console.log('foo'), { displayName: 'bar.exec' }) },
+  ],
+};
+
+const initMockPushProcessors = () => {
+  const mockPushProcessors = {
+    parsePush: vi.fn(),
+    checkEmptyBranch: vi.fn(),
+    audit: vi.fn(),
+    checkRepoInAuthorisedList: vi.fn(),
+    checkCommitMessages: vi.fn(),
+    checkAuthorEmails: vi.fn(),
+    checkUserPushPermission: vi.fn(),
+    checkIfWaitingAuth: vi.fn(),
+    checkHiddenCommits: vi.fn(),
+    pullRemote: vi.fn(),
+    writePack: vi.fn(),
+    preReceive: vi.fn(),
+    getDiff: vi.fn(),
+    gitleaks: vi.fn(),
+    clearBareClone: vi.fn(),
+    scanDiff: vi.fn(),
+    blockForAuth: vi.fn(),
+  };
+  return mockPushProcessors;
+};
+
+const mockPreProcessors = {
+  parseAction: vi.fn(),
+};
+
+describe('proxy chain', function () {
+  let processors: any;
+  let chain: any;
+  let db: any;
+  let mockPushProcessors: any;
+
+  beforeEach(async () => {
+    vi.resetModules();
+
+    // Initialize the mocks
+    mockPushProcessors = initMockPushProcessors();
+
+    // Mock the processors module
+    vi.doMock('../src/proxy/processors', async () => ({
+      pre: mockPreProcessors,
+      push: mockPushProcessors,
+    }));
+
+    vi.doMock('../src/db', async () => ({
+      authorise: vi.fn(),
+      reject: vi.fn(),
+    }));
+
+    // Import the mocked modules
+    processors = await import('../src/proxy/processors');
+    db = await import('../src/db');
+    const chainModule = await import('../src/proxy/chain');
+    chain = chainModule.default;
+
+    chain.chainPluginLoader = new PluginLoader([]);
+  });
+
+  afterEach(() => {
+    vi.restoreAllMocks();
+    vi.resetModules();
+  });
+
+  it('getChain should set pluginLoaded if loader is undefined', async () => {
+    chain.chainPluginLoader = undefined;
+    const actual = await chain.getChain({ type: 'push' });
+    expect(actual).toEqual(chain.pushActionChain);
+    expect(chain.chainPluginLoader).toBeUndefined();
+    expect(chain.pluginsInserted).toBe(true);
+  });
+
+  it('getChain should load plugins from an initialized PluginLoader', async () => {
+    chain.chainPluginLoader = mockLoader;
+    const initialChain = [...chain.pushActionChain];
+    const actual = await chain.getChain({ type: 'push' });
+    expect(actual.length).toBeGreaterThan(initialChain.length);
+    expect(chain.pluginsInserted).toBe(true);
+  });
+
+  it('getChain should load pull plugins from an initialized PluginLoader', async () => {
+    chain.chainPluginLoader = mockLoader;
+    const initialChain = [...chain.pullActionChain];
+    const actual = await chain.getChain({ type: 'pull' });
+    expect(actual.length).toBeGreaterThan(initialChain.length);
+    expect(chain.pluginsInserted).toBe(true);
+  });
+
+  it('executeChain should stop executing if action has continue returns false', async () => {
+    const req = {};
+    const continuingAction = { type: 'push', continue: () => true, allowPush: false };
+    mockPreProcessors.parseAction.mockResolvedValue({ type: 'push' });
+    mockPushProcessors.parsePush.mockResolvedValue(continuingAction);
+    mockPushProcessors.checkEmptyBranch.mockResolvedValue(continuingAction);
+    mockPushProcessors.checkRepoInAuthorisedList.mockResolvedValue(continuingAction);
+    mockPushProcessors.checkCommitMessages.mockResolvedValue(continuingAction);
+    mockPushProcessors.checkAuthorEmails.mockResolvedValue(continuingAction);
+    mockPushProcessors.checkUserPushPermission.mockResolvedValue(continuingAction);
+    mockPushProcessors.checkHiddenCommits.mockResolvedValue(continuingAction);
+    mockPushProcessors.pullRemote.mockResolvedValue(continuingAction);
+    mockPushProcessors.writePack.mockResolvedValue(continuingAction);
+    // this stops the chain from further execution
+    mockPushProcessors.checkIfWaitingAuth.mockResolvedValue({
+      type: 'push',
+      continue: () => false,
+      allowPush: false,
+    });
+
+    const result = await chain.executeChain(req);
+
+    expect(mockPreProcessors.parseAction).toHaveBeenCalled();
+    expect(mockPushProcessors.parsePush).toHaveBeenCalled();
+    expect(mockPushProcessors.checkRepoInAuthorisedList).toHaveBeenCalled();
+    expect(mockPushProcessors.checkCommitMessages).toHaveBeenCalled();
+    expect(mockPushProcessors.checkAuthorEmails).toHaveBeenCalled();
+    expect(mockPushProcessors.checkUserPushPermission).toHaveBeenCalled();
+    expect(mockPushProcessors.checkIfWaitingAuth).toHaveBeenCalled();
+    expect(mockPushProcessors.pullRemote).toHaveBeenCalled();
+    expect(mockPushProcessors.checkHiddenCommits).toHaveBeenCalled();
+    expect(mockPushProcessors.writePack).toHaveBeenCalled();
+    expect(mockPushProcessors.checkEmptyBranch).toHaveBeenCalled();
+    expect(mockPushProcessors.audit).toHaveBeenCalled();
+
+    expect(result.type).toBe('push');
+    expect(result.allowPush).toBe(false);
+    expect(result.continue).toBeTypeOf('function');
+  });
+
+  it('executeChain should stop executing if action has allowPush is set to true', async () => {
+    const req = {};
+    const continuingAction = { type: 'push', continue: () => true, allowPush: false };
+    mockPreProcessors.parseAction.mockResolvedValue({ type: 'push' });
+    mockPushProcessors.parsePush.mockResolvedValue(continuingAction);
+    mockPushProcessors.checkEmptyBranch.mockResolvedValue(continuingAction);
+    mockPushProcessors.checkRepoInAuthorisedList.mockResolvedValue(continuingAction);
+    mockPushProcessors.checkCommitMessages.mockResolvedValue(continuingAction);
+    mockPushProcessors.checkAuthorEmails.mockResolvedValue(continuingAction);
+    mockPushProcessors.checkUserPushPermission.mockResolvedValue(continuingAction);
+    mockPushProcessors.checkHiddenCommits.mockResolvedValue(continuingAction);
+    mockPushProcessors.pullRemote.mockResolvedValue(continuingAction);
+    mockPushProcessors.writePack.mockResolvedValue(continuingAction);
+    // this stops the chain from further execution
+    mockPushProcessors.checkIfWaitingAuth.mockResolvedValue({
+      type: 'push',
+      continue: () => true,
+      allowPush: true,
+    });
+
+    const result = await chain.executeChain(req);
+
+    expect(mockPreProcessors.parseAction).toHaveBeenCalled();
+    expect(mockPushProcessors.parsePush).toHaveBeenCalled();
+    expect(mockPushProcessors.checkEmptyBranch).toHaveBeenCalled();
+    expect(mockPushProcessors.checkRepoInAuthorisedList).toHaveBeenCalled();
+    expect(mockPushProcessors.checkCommitMessages).toHaveBeenCalled();
+    expect(mockPushProcessors.checkAuthorEmails).toHaveBeenCalled();
+    expect(mockPushProcessors.checkUserPushPermission).toHaveBeenCalled();
+    expect(mockPushProcessors.checkIfWaitingAuth).toHaveBeenCalled();
+    expect(mockPushProcessors.pullRemote).toHaveBeenCalled();
+    expect(mockPushProcessors.checkHiddenCommits).toHaveBeenCalled();
+    expect(mockPushProcessors.writePack).toHaveBeenCalled();
+    expect(mockPushProcessors.audit).toHaveBeenCalled();
+
+    expect(result.type).toBe('push');
+    expect(result.allowPush).toBe(true);
+    expect(result.continue).toBeTypeOf('function');
+  });
+
+  it('executeChain should execute all steps if all actions succeed', async () => {
+    const req = {};
+    const continuingAction = { type: 'push', continue: () => true, allowPush: false };
+    mockPreProcessors.parseAction.mockResolvedValue({ type: 'push' });
+    mockPushProcessors.parsePush.mockResolvedValue(continuingAction);
+    mockPushProcessors.checkEmptyBranch.mockResolvedValue(continuingAction);
+    mockPushProcessors.checkRepoInAuthorisedList.mockResolvedValue(continuingAction);
+    mockPushProcessors.checkCommitMessages.mockResolvedValue(continuingAction);
+    mockPushProcessors.checkAuthorEmails.mockResolvedValue(continuingAction);
+    mockPushProcessors.checkUserPushPermission.mockResolvedValue(continuingAction);
+    mockPushProcessors.checkIfWaitingAuth.mockResolvedValue(continuingAction);
+    mockPushProcessors.pullRemote.mockResolvedValue(continuingAction);
+    mockPushProcessors.writePack.mockResolvedValue(continuingAction);
+    mockPushProcessors.checkHiddenCommits.mockResolvedValue(continuingAction);
+    mockPushProcessors.preReceive.mockResolvedValue(continuingAction);
+    mockPushProcessors.getDiff.mockResolvedValue(continuingAction);
+    mockPushProcessors.gitleaks.mockResolvedValue(continuingAction);
+    mockPushProcessors.clearBareClone.mockResolvedValue(continuingAction);
+    mockPushProcessors.scanDiff.mockResolvedValue(continuingAction);
+    mockPushProcessors.blockForAuth.mockResolvedValue(continuingAction);
+
+    const result = await chain.executeChain(req);
+
+    expect(mockPreProcessors.parseAction).toHaveBeenCalled();
+    expect(mockPushProcessors.parsePush).toHaveBeenCalled();
+    expect(mockPushProcessors.checkEmptyBranch).toHaveBeenCalled();
+    expect(mockPushProcessors.checkRepoInAuthorisedList).toHaveBeenCalled();
+    expect(mockPushProcessors.checkCommitMessages).toHaveBeenCalled();
+    expect(mockPushProcessors.checkAuthorEmails).toHaveBeenCalled();
+    expect(mockPushProcessors.checkUserPushPermission).toHaveBeenCalled();
+    expect(mockPushProcessors.checkIfWaitingAuth).toHaveBeenCalled();
+    expect(mockPushProcessors.pullRemote).toHaveBeenCalled();
+    expect(mockPushProcessors.checkHiddenCommits).toHaveBeenCalled();
+    expect(mockPushProcessors.writePack).toHaveBeenCalled();
+    expect(mockPushProcessors.preReceive).toHaveBeenCalled();
+    expect(mockPushProcessors.getDiff).toHaveBeenCalled();
+    expect(mockPushProcessors.gitleaks).toHaveBeenCalled();
+    expect(mockPushProcessors.clearBareClone).toHaveBeenCalled();
+    expect(mockPushProcessors.scanDiff).toHaveBeenCalled();
+    expect(mockPushProcessors.blockForAuth).toHaveBeenCalled();
+    expect(mockPushProcessors.audit).toHaveBeenCalled();
+
+    expect(result.type).toBe('push');
+    expect(result.allowPush).toBe(false);
+    expect(result.continue).toBeTypeOf('function');
+  });
+
+  it('executeChain should run the expected steps for pulls', async () => {
+    const req = {};
+    const continuingAction = { type: 'pull', continue: () => true, allowPush: false };
+    mockPreProcessors.parseAction.mockResolvedValue({ type: 'pull' });
+    mockPushProcessors.checkRepoInAuthorisedList.mockResolvedValue(continuingAction);
+
+    const result = await chain.executeChain(req);
+
+    expect(mockPushProcessors.checkRepoInAuthorisedList).toHaveBeenCalled();
+    expect(mockPushProcessors.parsePush).not.toHaveBeenCalled();
+    expect(result.type).toBe('pull');
+  });
+
+  it('executeChain should handle errors and still call audit', async () => {
+    const req = {};
+    const action = { type: 'push', continue: () => true, allowPush: true };
+
+    processors.pre.parseAction.mockResolvedValue(action);
+    mockPushProcessors.parsePush.mockRejectedValue(new Error('Audit error'));
+
+    try {
+      await chain.executeChain(req);
+    } catch {
+      // Ignore the error
+    }
+
+    expect(mockPushProcessors.audit).toHaveBeenCalled();
+  });
+
+  it('executeChain should always run at least checkRepoInAuthList', async () => {
+    const req = {};
+    const action = { type: 'foo', continue: () => true, allowPush: true };
+
+    mockPreProcessors.parseAction.mockResolvedValue(action);
+    mockPushProcessors.checkRepoInAuthorisedList.mockResolvedValue(action);
+
+    await chain.executeChain(req);
+    expect(mockPushProcessors.checkRepoInAuthorisedList).toHaveBeenCalled();
+  });
+
+  it('should approve push automatically and record in the database', async () => {
+    const req = {};
+    const action = {
+      id: '123',
+      type: 'push',
+      continue: () => true,
+      allowPush: false,
+      setAutoApproval: vi.fn(),
+      repoName: 'test-repo',
+      commitTo: 'newCommitHash',
+    };
+
+    mockPreProcessors.parseAction.mockResolvedValue(action);
+    mockPushProcessors.parsePush.mockResolvedValue(action);
+    mockPushProcessors.checkEmptyBranch.mockResolvedValue(action);
+    mockPushProcessors.checkRepoInAuthorisedList.mockResolvedValue(action);
+    mockPushProcessors.checkCommitMessages.mockResolvedValue(action);
+    mockPushProcessors.checkAuthorEmails.mockResolvedValue(action);
+    mockPushProcessors.checkUserPushPermission.mockResolvedValue(action);
+    mockPushProcessors.checkIfWaitingAuth.mockResolvedValue(action);
+    mockPushProcessors.pullRemote.mockResolvedValue(action);
+    mockPushProcessors.writePack.mockResolvedValue(action);
+    mockPushProcessors.checkHiddenCommits.mockResolvedValue(action);
+
+    mockPushProcessors.preReceive.mockResolvedValue({
+      ...action,
+      steps: [{ error: false, logs: ['Push automatically approved by pre-receive hook.'] }],
+      allowPush: true,
+      autoApproved: true,
+    });
+
+    mockPushProcessors.getDiff.mockResolvedValue(action);
+    mockPushProcessors.gitleaks.mockResolvedValue(action);
+    mockPushProcessors.clearBareClone.mockResolvedValue(action);
+    mockPushProcessors.scanDiff.mockResolvedValue(action);
+    mockPushProcessors.blockForAuth.mockResolvedValue(action);
+
+    const dbSpy = vi.spyOn(db, 'authorise').mockResolvedValue({
+      message: `authorised ${action.id}`,
+    });
+
+    const result = await chain.executeChain(req);
+
+    expect(result.type).toBe('push');
+    expect(result.allowPush).toBe(true);
+    expect(result.continue).toBeTypeOf('function');
+    expect(dbSpy).toHaveBeenCalledOnce();
+  });
+
+  it('should reject push automatically and record in the database', async () => {
+    const req = {};
+    const action = {
+      id: '123',
+      type: 'push',
+      continue: () => true,
+      allowPush: false,
+      setAutoRejection: vi.fn(),
+      repoName: 'test-repo',
+      commitTo: 'newCommitHash',
+    };
+
+    mockPreProcessors.parseAction.mockResolvedValue(action);
+    mockPushProcessors.parsePush.mockResolvedValue(action);
+    mockPushProcessors.checkEmptyBranch.mockResolvedValue(action);
+    mockPushProcessors.checkRepoInAuthorisedList.mockResolvedValue(action);
+    mockPushProcessors.checkCommitMessages.mockResolvedValue(action);
+    mockPushProcessors.checkAuthorEmails.mockResolvedValue(action);
+    mockPushProcessors.checkUserPushPermission.mockResolvedValue(action);
+    mockPushProcessors.checkIfWaitingAuth.mockResolvedValue(action);
+    mockPushProcessors.pullRemote.mockResolvedValue(action);
+    mockPushProcessors.writePack.mockResolvedValue(action);
+    mockPushProcessors.checkHiddenCommits.mockResolvedValue(action);
+
+    mockPushProcessors.preReceive.mockResolvedValue({
+      ...action,
+      steps: [{ error: false, logs: ['Push automatically rejected by pre-receive hook.'] }],
+      allowPush: true,
+      autoRejected: true,
+    });
+
+    mockPushProcessors.getDiff.mockResolvedValue(action);
+    mockPushProcessors.gitleaks.mockResolvedValue(action);
+    mockPushProcessors.clearBareClone.mockResolvedValue(action);
+    mockPushProcessors.scanDiff.mockResolvedValue(action);
+    mockPushProcessors.blockForAuth.mockResolvedValue(action);
+
+    const dbSpy = vi.spyOn(db, 'reject').mockResolvedValue({
+      message: `reject ${action.id}`,
+    });
+
+    const result = await chain.executeChain(req);
+
+    expect(result.type).toBe('push');
+    expect(result.allowPush).toBe(true);
+    expect(result.continue).toBeTypeOf('function');
+    expect(dbSpy).toHaveBeenCalledOnce();
+  });
+
+  it('executeChain should handle exceptions in attemptAutoApproval', async () => {
+    const req = {};
+    const action = {
+      type: 'push',
+      continue: () => true,
+      allowPush: false,
+      setAutoApproval: vi.fn(),
+      repoName: 'test-repo',
+      commitTo: 'newCommitHash',
+    };
+
+    mockPreProcessors.parseAction.mockResolvedValue(action);
+    mockPushProcessors.parsePush.mockResolvedValue(action);
+    mockPushProcessors.checkEmptyBranch.mockResolvedValue(action);
+    mockPushProcessors.checkRepoInAuthorisedList.mockResolvedValue(action);
+    mockPushProcessors.checkCommitMessages.mockResolvedValue(action);
+    mockPushProcessors.checkAuthorEmails.mockResolvedValue(action);
+    mockPushProcessors.checkUserPushPermission.mockResolvedValue(action);
+    mockPushProcessors.checkIfWaitingAuth.mockResolvedValue(action);
+    mockPushProcessors.pullRemote.mockResolvedValue(action);
+    mockPushProcessors.writePack.mockResolvedValue(action);
+    mockPushProcessors.checkHiddenCommits.mockResolvedValue(action);
+
+    mockPushProcessors.preReceive.mockResolvedValue({
+      ...action,
+      steps: [{ error: false, logs: ['Push automatically approved by pre-receive hook.'] }],
+      allowPush: true,
+      autoApproved: true,
+    });
+
+    mockPushProcessors.getDiff.mockResolvedValue(action);
+    mockPushProcessors.gitleaks.mockResolvedValue(action);
+    mockPushProcessors.clearBareClone.mockResolvedValue(action);
+    mockPushProcessors.scanDiff.mockResolvedValue(action);
+    mockPushProcessors.blockForAuth.mockResolvedValue(action);
+
+    const error = new Error('Database error');
+    const consoleErrorSpy = vi.spyOn(console, 'error').mockImplementation(() => {});
+    vi.spyOn(db, 'authorise').mockRejectedValue(error);
+
+    await chain.executeChain(req);
+
+    expect(consoleErrorSpy).toHaveBeenCalledWith('Error during auto-approval:', error.message);
+  });
+
+  it('executeChain should handle exceptions in attemptAutoRejection', async () => {
+    const req = {};
+    const action = {
+      type: 'push',
+      continue: () => true,
+      allowPush: false,
+      setAutoRejection: vi.fn(),
+      repoName: 'test-repo',
+      commitTo: 'newCommitHash',
+      autoRejected: true,
+    };
+
+    mockPreProcessors.parseAction.mockResolvedValue(action);
+    mockPushProcessors.parsePush.mockResolvedValue(action);
+    mockPushProcessors.checkEmptyBranch.mockResolvedValue(action);
+    mockPushProcessors.checkRepoInAuthorisedList.mockResolvedValue(action);
+    mockPushProcessors.checkCommitMessages.mockResolvedValue(action);
+    mockPushProcessors.checkAuthorEmails.mockResolvedValue(action);
+    mockPushProcessors.checkUserPushPermission.mockResolvedValue(action);
+    mockPushProcessors.checkIfWaitingAuth.mockResolvedValue(action);
+    mockPushProcessors.pullRemote.mockResolvedValue(action);
+    mockPushProcessors.writePack.mockResolvedValue(action);
+    mockPushProcessors.checkHiddenCommits.mockResolvedValue(action);
+
+    mockPushProcessors.preReceive.mockResolvedValue({
+      ...action,
+      steps: [{ error: false, logs: ['Push automatically rejected by pre-receive hook.'] }],
+      allowPush: false,
+      autoRejected: true,
+    });
+
+    mockPushProcessors.getDiff.mockResolvedValue(action);
+    mockPushProcessors.gitleaks.mockResolvedValue(action);
+    mockPushProcessors.clearBareClone.mockResolvedValue(action);
+    mockPushProcessors.scanDiff.mockResolvedValue(action);
+    mockPushProcessors.blockForAuth.mockResolvedValue(action);
+
+    const error = new Error('Database error');
+    const consoleErrorSpy = vi.spyOn(console, 'error').mockImplementation(() => {});
+    vi.spyOn(db, 'reject').mockRejectedValue(error);
+
+    await chain.executeChain(req);
+
+    expect(consoleErrorSpy).toHaveBeenCalledWith('Error during auto-rejection:', error.message);
+  });
+});
diff --git a/test/checkHiddenCommit.test.js b/test/checkHiddenCommit.test.ts
similarity index 51%
rename from test/checkHiddenCommit.test.js
rename to test/checkHiddenCommit.test.ts
index b4013fb8e..3d07946f4 100644
--- a/test/checkHiddenCommit.test.js
+++ b/test/checkHiddenCommit.test.ts
@@ -1,23 +1,33 @@
-const fs = require('fs');
-const childProcess = require('child_process');
-const sinon = require('sinon');
-const { expect } = require('chai');
+import { describe, it, beforeEach, afterEach, expect, vi } from 'vitest';
+import { exec as checkHidden } from '../src/proxy/processors/push-action/checkHiddenCommits';
+import { Action } from '../src/proxy/actions';
+
+// must hoist these before mocking the modules
+const mockSpawnSync = vi.hoisted(() => vi.fn());
+const mockReaddirSync = vi.hoisted(() => vi.fn());
+
+vi.mock('child_process', async (importOriginal) => {
+  const actual: any = await importOriginal();
+  return {
+    ...actual,
+    spawnSync: mockSpawnSync,
+  };
+});
 
-const { exec: checkHidden } = require('../src/proxy/processors/push-action/checkHiddenCommits');
-const { Action } = require('../src/proxy/actions');
+vi.mock('fs', async (importOriginal) => {
+  const actual: any = await importOriginal();
+  return {
+    ...actual,
+    readdirSync: mockReaddirSync,
+  };
+});
 
 describe('checkHiddenCommits.exec', () => {
-  let action;
-  let sandbox;
-  let spawnSyncStub;
-  let readdirSyncStub;
+  let action: Action;
 
   beforeEach(() => {
-    sandbox = sinon.createSandbox();
-
-    // stub spawnSync and fs.readdirSync
-    spawnSyncStub = sandbox.stub(childProcess, 'spawnSync');
-    readdirSyncStub = sandbox.stub(fs, 'readdirSync');
+    // reset all mocks before each test
+    vi.clearAllMocks();
 
     // prepare a fresh Action
     action = new Action('some-id', 'push', 'POST', Date.now(), 'repo.git');
@@ -28,7 +38,7 @@ describe('checkHiddenCommits.exec', () => {
   });
 
   afterEach(() => {
-    sandbox.restore();
+    vi.clearAllMocks();
   });
 
   it('reports all commits unreferenced and sets error=true', async () => {
@@ -37,86 +47,75 @@ describe('checkHiddenCommits.exec', () => {
 
     // 1) rev-list → no introduced commits
     // 2) verify-pack → two commits in pack
-    spawnSyncStub
-      .onFirstCall()
-      .returns({ stdout: '' })
-      .onSecondCall()
-      .returns({
-        stdout: `${COMMIT_1} commit 100 1\n${COMMIT_2} commit 100 2\n`,
-      });
+    mockSpawnSync.mockReturnValueOnce({ stdout: '' }).mockReturnValueOnce({
+      stdout: `${COMMIT_1} commit 100 1\n${COMMIT_2} commit 100 2\n`,
+    });
 
-    readdirSyncStub.returns(['pack-test.idx']);
+    mockReaddirSync.mockReturnValue(['pack-test.idx']);
 
     await checkHidden({ body: '' }, action);
 
     const step = action.steps.find((s) => s.stepName === 'checkHiddenCommits');
-    expect(step.logs).to.include(`checkHiddenCommits - Referenced commits: 0`);
-    expect(step.logs).to.include(`checkHiddenCommits - Unreferenced commits: 2`);
-    expect(step.logs).to.include(
+    expect(step?.logs).toContain(`checkHiddenCommits - Referenced commits: 0`);
+    expect(step?.logs).toContain(`checkHiddenCommits - Unreferenced commits: 2`);
+    expect(step?.logs).toContain(
       `checkHiddenCommits - Unreferenced commits in pack (2): ${COMMIT_1}, ${COMMIT_2}.\n` +
         `This usually happens when a branch was made from a commit that hasn't been approved and pushed to the remote.\n` +
         `Please get approval on the commits, push them and try again.`,
     );
-    expect(action.error).to.be.true;
+    expect(action.error).toBe(true);
   });
 
   it('mixes referenced & unreferenced correctly', async () => {
     const COMMIT_1 = 'deadbeef';
     const COMMIT_2 = 'cafebabe';
 
-    // 1) git rev-list → introduces one commit “deadbeef”
+    // 1) git rev-list → introduces one commit "deadbeef"
     // 2) git verify-pack → the pack contains two commits
-    spawnSyncStub
-      .onFirstCall()
-      .returns({ stdout: `${COMMIT_1}\n` })
-      .onSecondCall()
-      .returns({
-        stdout: `${COMMIT_1} commit 100 1\n${COMMIT_2} commit 100 2\n`,
-      });
+    mockSpawnSync.mockReturnValueOnce({ stdout: `${COMMIT_1}\n` }).mockReturnValueOnce({
+      stdout: `${COMMIT_1} commit 100 1\n${COMMIT_2} commit 100 2\n`,
+    });
 
-    readdirSyncStub.returns(['pack-test.idx']);
+    mockReaddirSync.mockReturnValue(['pack-test.idx']);
 
     await checkHidden({ body: '' }, action);
 
     const step = action.steps.find((s) => s.stepName === 'checkHiddenCommits');
-    expect(step.logs).to.include('checkHiddenCommits - Referenced commits: 1');
-    expect(step.logs).to.include('checkHiddenCommits - Unreferenced commits: 1');
-    expect(step.logs).to.include(
+    expect(step?.logs).toContain('checkHiddenCommits - Referenced commits: 1');
+    expect(step?.logs).toContain('checkHiddenCommits - Unreferenced commits: 1');
+    expect(step?.logs).toContain(
       `checkHiddenCommits - Unreferenced commits in pack (1): ${COMMIT_2}.\n` +
         `This usually happens when a branch was made from a commit that hasn't been approved and pushed to the remote.\n` +
         `Please get approval on the commits, push them and try again.`,
     );
-    expect(action.error).to.be.true;
+    expect(action.error).toBe(true);
   });
 
   it('reports all commits referenced and sets error=false', async () => {
     // 1) rev-list → introduces both commits
     // 2) verify-pack → the pack contains the same two commits
-    spawnSyncStub.onFirstCall().returns({ stdout: 'deadbeef\ncafebabe\n' }).onSecondCall().returns({
+    mockSpawnSync.mockReturnValueOnce({ stdout: 'deadbeef\ncafebabe\n' }).mockReturnValueOnce({
       stdout: 'deadbeef commit 100 1\ncafebabe commit 100 2\n',
     });
 
-    readdirSyncStub.returns(['pack-test.idx']);
+    mockReaddirSync.mockReturnValue(['pack-test.idx']);
 
     await checkHidden({ body: '' }, action);
     const step = action.steps.find((s) => s.stepName === 'checkHiddenCommits');
 
-    expect(step.logs).to.include('checkHiddenCommits - Total introduced commits: 2');
-    expect(step.logs).to.include('checkHiddenCommits - Total commits in the pack: 2');
-    expect(step.logs).to.include(
+    expect(step?.logs).toContain('checkHiddenCommits - Total introduced commits: 2');
+    expect(step?.logs).toContain('checkHiddenCommits - Total commits in the pack: 2');
+    expect(step?.logs).toContain(
       'checkHiddenCommits - All pack commits are referenced in the introduced range.',
     );
-    expect(action.error).to.be.false;
+    expect(action.error).toBe(false);
   });
 
   it('throws if commitFrom or commitTo is missing', async () => {
-    delete action.commitFrom;
-
-    try {
-      await checkHidden({ body: '' }, action);
-      throw new Error('Expected checkHidden to throw');
-    } catch (err) {
-      expect(err.message).to.match(/Both action.commitFrom and action.commitTo must be defined/);
-    }
+    delete (action as any).commitFrom;
+
+    await expect(checkHidden({ body: '' }, action)).rejects.toThrow(
+      /Both action.commitFrom and action.commitTo must be defined/,
+    );
   });
 });
diff --git a/test/db-helper.test.js b/test/db-helper.test.ts
similarity index 69%
rename from test/db-helper.test.js
rename to test/db-helper.test.ts
index 6b973f2c2..ed2bede3a 100644
--- a/test/db-helper.test.js
+++ b/test/db-helper.test.ts
@@ -1,63 +1,63 @@
-const { expect } = require('chai');
-const { trimPrefixRefsHeads, trimTrailingDotGit } = require('../src/db/helper');
+import { describe, it, expect } from 'vitest';
+import { trimPrefixRefsHeads, trimTrailingDotGit } from '../src/db/helper';
 
 describe('db helpers', () => {
   describe('trimPrefixRefsHeads', () => {
     it('removes `refs/heads/`', () => {
       const res = trimPrefixRefsHeads('refs/heads/test');
-      expect(res).to.equal('test');
+      expect(res).toBe('test');
     });
 
     it('removes only one `refs/heads/`', () => {
       const res = trimPrefixRefsHeads('refs/heads/refs/heads/');
-      expect(res).to.equal('refs/heads/');
+      expect(res).toBe('refs/heads/');
     });
 
     it('removes only the first `refs/heads/`', () => {
       const res = trimPrefixRefsHeads('refs/heads/middle/refs/heads/end/refs/heads/');
-      expect(res).to.equal('middle/refs/heads/end/refs/heads/');
+      expect(res).toBe('middle/refs/heads/end/refs/heads/');
     });
 
     it('handles empty string', () => {
       const res = trimPrefixRefsHeads('');
-      expect(res).to.equal('');
+      expect(res).toBe('');
     });
 
     it("doesn't remove `refs/heads`", () => {
       const res = trimPrefixRefsHeads('refs/headstest');
-      expect(res).to.equal('refs/headstest');
+      expect(res).toBe('refs/headstest');
     });
 
     it("doesn't remove `/refs/heads/`", () => {
       const res = trimPrefixRefsHeads('/refs/heads/test');
-      expect(res).to.equal('/refs/heads/test');
+      expect(res).toBe('/refs/heads/test');
     });
   });
 
   describe('trimTrailingDotGit', () => {
     it('removes `.git`', () => {
       const res = trimTrailingDotGit('test.git');
-      expect(res).to.equal('test');
+      expect(res).toBe('test');
     });
 
     it('removes only one `.git`', () => {
       const res = trimTrailingDotGit('.git.git');
-      expect(res).to.equal('.git');
+      expect(res).toBe('.git');
     });
 
     it('removes only the last `.git`', () => {
       const res = trimTrailingDotGit('.git-middle.git-end.git');
-      expect(res).to.equal('.git-middle.git-end');
+      expect(res).toBe('.git-middle.git-end');
     });
 
     it('handles empty string', () => {
       const res = trimTrailingDotGit('');
-      expect(res).to.equal('');
+      expect(res).toBe('');
     });
 
     it("doesn't remove just `git`", () => {
       const res = trimTrailingDotGit('testgit');
-      expect(res).to.equal('testgit');
+      expect(res).toBe('testgit');
     });
   });
 });
diff --git a/test/db/db.test.js b/test/db/db.test.ts
similarity index 50%
rename from test/db/db.test.js
rename to test/db/db.test.ts
index 0a54c22b6..bea72d574 100644
--- a/test/db/db.test.js
+++ b/test/db/db.test.ts
@@ -1,52 +1,71 @@
-const chai = require('chai');
-const sinon = require('sinon');
-const db = require('../../src/db');
+import { describe, it, expect, afterEach, vi, beforeEach } from 'vitest';
 
-const { expect } = chai;
+vi.mock('../../src/db/mongo', () => ({
+  getRepoByUrl: vi.fn(),
+}));
+
+vi.mock('../../src/db/file', () => ({
+  getRepoByUrl: vi.fn(),
+}));
+
+vi.mock('../../src/config', () => ({
+  getDatabase: vi.fn(() => ({ type: 'mongo' })),
+}));
+
+import * as db from '../../src/db';
+import * as mongo from '../../src/db/mongo';
 
 describe('db', () => {
+  beforeEach(() => {
+    vi.clearAllMocks();
+  });
+
   afterEach(() => {
-    sinon.restore();
+    vi.restoreAllMocks();
   });
 
   describe('isUserPushAllowed', () => {
     it('returns true if user is in canPush', async () => {
-      sinon.stub(db, 'getRepoByUrl').resolves({
+      vi.mocked(mongo.getRepoByUrl).mockResolvedValue({
         users: {
           canPush: ['alice'],
           canAuthorise: [],
         },
-      });
+      } as any);
+
       const result = await db.isUserPushAllowed('myrepo', 'alice');
-      expect(result).to.be.true;
+      expect(result).toBe(true);
     });
 
     it('returns true if user is in canAuthorise', async () => {
-      sinon.stub(db, 'getRepoByUrl').resolves({
+      vi.mocked(mongo.getRepoByUrl).mockResolvedValue({
         users: {
           canPush: [],
           canAuthorise: ['bob'],
         },
-      });
+      } as any);
+
       const result = await db.isUserPushAllowed('myrepo', 'bob');
-      expect(result).to.be.true;
+      expect(result).toBe(true);
     });
 
     it('returns false if user is in neither', async () => {
-      sinon.stub(db, 'getRepoByUrl').resolves({
+      vi.mocked(mongo.getRepoByUrl).mockResolvedValue({
         users: {
           canPush: [],
           canAuthorise: [],
         },
-      });
+      } as any);
+
       const result = await db.isUserPushAllowed('myrepo', 'charlie');
-      expect(result).to.be.false;
+      expect(result).toBe(false);
     });
 
     it('returns false if repo is not registered', async () => {
-      sinon.stub(db, 'getRepoByUrl').resolves(null);
+      vi.mocked(mongo.getRepoByUrl).mockResolvedValue(null);
+
       const result = await db.isUserPushAllowed('myrepo', 'charlie');
-      expect(result).to.be.false;
+      expect(result).toBe(false);
     });
   });
 });
diff --git a/test/db/file/repo.test.js b/test/db/file/repo.test.js
deleted file mode 100644
index f55ff35d7..000000000
--- a/test/db/file/repo.test.js
+++ /dev/null
@@ -1,67 +0,0 @@
-const { expect } = require('chai');
-const sinon = require('sinon');
-const repoModule = require('../../../src/db/file/repo');
-
-describe('File DB', () => {
-  let sandbox;
-
-  beforeEach(() => {
-    sandbox = sinon.createSandbox();
-  });
-
-  afterEach(() => {
-    sandbox.restore();
-  });
-
-  describe('getRepo', () => {
-    it('should get the repo using the name', async () => {
-      const repoData = {
-        name: 'sample',
-        users: { canPush: [] },
-        url: 'http://example.com/sample-repo.git',
-      };
-
-      sandbox.stub(repoModule.db, 'findOne').callsFake((query, cb) => cb(null, repoData));
-
-      const result = await repoModule.getRepo('Sample');
-      expect(result).to.deep.equal(repoData);
-    });
-  });
-
-  describe('getRepoByUrl', () => {
-    it('should get the repo using the url', async () => {
-      const repoData = {
-        name: 'sample',
-        users: { canPush: [] },
-        url: 'https://github.com/finos/git-proxy.git',
-      };
-
-      sandbox.stub(repoModule.db, 'findOne').callsFake((query, cb) => cb(null, repoData));
-
-      const result = await repoModule.getRepoByUrl('https://github.com/finos/git-proxy.git');
-      expect(result).to.deep.equal(repoData);
-    });
-    it('should return null if the repo is not found', async () => {
-      sandbox.stub(repoModule.db, 'findOne').callsFake((query, cb) => cb(null, null));
-
-      const result = await repoModule.getRepoByUrl('https://github.com/finos/missing-repo.git');
-      expect(result).to.be.null;
-      expect(
-        repoModule.db.findOne.calledWith(
-          sinon.match({ url: 'https://github.com/finos/missing-repo.git' }),
-        ),
-      ).to.be.true;
-    });
-
-    it('should reject if the database returns an error', async () => {
-      sandbox.stub(repoModule.db, 'findOne').callsFake((query, cb) => cb(new Error('DB error')));
-
-      try {
-        await repoModule.getRepoByUrl('https://github.com/finos/git-proxy.git');
-        expect.fail('Expected promise to be rejected');
-      } catch (err) {
-        expect(err.message).to.equal('DB error');
-      }
-    });
-  });
-});
diff --git a/test/db/file/repo.test.ts b/test/db/file/repo.test.ts
new file mode 100644
index 000000000..1a583bc5a
--- /dev/null
+++ b/test/db/file/repo.test.ts
@@ -0,0 +1,71 @@
+import { describe, it, expect, beforeEach, afterEach, vi } from 'vitest';
+import * as repoModule from '../../../src/db/file/repo';
+import { Repo } from '../../../src/db/types';
+
+describe('File DB', () => {
+  beforeEach(() => {
+    vi.clearAllMocks();
+  });
+
+  afterEach(() => {
+    vi.restoreAllMocks();
+  });
+
+  describe('getRepo', () => {
+    it('should get the repo using the name', async () => {
+      const repoData: Partial<Repo> = {
+        name: 'sample',
+        users: { canPush: [], canAuthorise: [] },
+        url: 'http://example.com/sample-repo.git',
+      };
+
+      vi.spyOn(repoModule.db, 'findOne').mockImplementation((query: any, cb: any) =>
+        cb(null, repoData),
+      );
+
+      const result = await repoModule.getRepo('Sample');
+      expect(result).toEqual(repoData);
+    });
+  });
+
+  describe('getRepoByUrl', () => {
+    it('should get the repo using the url', async () => {
+      const repoData: Partial<Repo> = {
+        name: 'sample',
+        users: { canPush: [], canAuthorise: [] },
+        url: 'https://github.com/finos/git-proxy.git',
+      };
+
+      vi.spyOn(repoModule.db, 'findOne').mockImplementation((query: any, cb: any) =>
+        cb(null, repoData),
+      );
+
+      const result = await repoModule.getRepoByUrl('https://github.com/finos/git-proxy.git');
+      expect(result).toEqual(repoData);
+    });
+
+    it('should return null if the repo is not found', async () => {
+      const spy = vi
+        .spyOn(repoModule.db, 'findOne')
+        .mockImplementation((query: any, cb: any) => cb(null, null));
+
+      const result = await repoModule.getRepoByUrl('https://github.com/finos/missing-repo.git');
+
+      expect(result).toBeNull();
+      expect(spy).toHaveBeenCalledWith(
+        expect.objectContaining({ url: 'https://github.com/finos/missing-repo.git' }),
+        expect.any(Function),
+      );
+    });
+
+    it('should reject if the database returns an error', async () => {
+      vi.spyOn(repoModule.db, 'findOne').mockImplementation((query: any, cb: any) =>
+        cb(new Error('DB error')),
+      );
+
+      await expect(
+        repoModule.getRepoByUrl('https://github.com/finos/git-proxy.git'),
+      ).rejects.toThrow('DB error');
+    });
+  });
+});
diff --git a/test/db/mongo/repo.test.js b/test/db/mongo/repo.test.js
deleted file mode 100644
index 828aa1bd2..000000000
--- a/test/db/mongo/repo.test.js
+++ /dev/null
@@ -1,55 +0,0 @@
-const { expect } = require('chai');
-const sinon = require('sinon');
-const proxyqquire = require('proxyquire');
-
-const repoCollection = {
-  findOne: sinon.stub(),
-};
-
-const connectionStub = sinon.stub().returns(repoCollection);
-
-const { getRepo, getRepoByUrl } = proxyqquire('../../../src/db/mongo/repo', {
-  './helper': { connect: connectionStub },
-});
-
-describe('MongoDB', () => {
-  afterEach(function () {
-    sinon.restore();
-  });
-
-  describe('getRepo', () => {
-    it('should get the repo using the name', async () => {
-      const repoData = {
-        name: 'sample',
-        users: { canPush: [] },
-        url: 'http://example.com/sample-repo.git',
-      };
-      repoCollection.findOne.resolves(repoData);
-
-      const result = await getRepo('Sample');
-      expect(result).to.deep.equal(repoData);
-      expect(connectionStub.calledWith('repos')).to.be.true;
-      expect(repoCollection.findOne.calledWith({ name: { $eq: 'sample' } })).to.be.true;
-    });
-  });
-
-  describe('getRepoByUrl', () => {
-    it('should get the repo using the url', async () => {
-      const repoData = {
-        name: 'sample',
-        users: { canPush: [] },
-        url: 'https://github.com/finos/git-proxy.git',
-      };
-      repoCollection.findOne.resolves(repoData);
-
-      const result = await getRepoByUrl('https://github.com/finos/git-proxy.git');
-      expect(result).to.deep.equal(repoData);
-      expect(connectionStub.calledWith('repos')).to.be.true;
-      expect(
-        repoCollection.findOne.calledWith({
-          url: { $eq: 'https://github.com/finos/git-proxy.git' },
-        }),
-      ).to.be.true;
-    });
-  });
-});
diff --git a/test/db/mongo/repo.test.ts b/test/db/mongo/repo.test.ts
new file mode 100644
index 000000000..eea1e2c7a
--- /dev/null
+++ b/test/db/mongo/repo.test.ts
@@ -0,0 +1,61 @@
+import { describe, it, expect, afterEach, vi, beforeEach } from 'vitest';
+import { Repo } from '../../../src/db/types';
+
+const mockFindOne = vi.fn();
+const mockConnect = vi.fn(() => ({
+  findOne: mockFindOne,
+}));
+
+vi.mock('../../../src/db/mongo/helper', () => ({
+  connect: mockConnect,
+}));
+
+describe('MongoDB', async () => {
+  const { getRepo, getRepoByUrl } = await import('../../../src/db/mongo/repo');
+
+  beforeEach(() => {
+    vi.clearAllMocks();
+  });
+
+  afterEach(() => {
+    vi.restoreAllMocks();
+  });
+
+  describe('getRepo', () => {
+    it('should get the repo using the name', async () => {
+      const repoData: Partial<Repo> = {
+        name: 'sample',
+        users: { canPush: [], canAuthorise: [] },
+        url: 'http://example.com/sample-repo.git',
+      };
+
+      mockFindOne.mockResolvedValue(repoData);
+
+      const result = await getRepo('Sample');
+
+      expect(result).toEqual(repoData);
+      expect(mockConnect).toHaveBeenCalledWith('repos');
+      expect(mockFindOne).toHaveBeenCalledWith({ name: { $eq: 'sample' } });
+    });
+  });
+
+  describe('getRepoByUrl', () => {
+    it('should get the repo using the url', async () => {
+      const repoData: Partial<Repo> = {
+        name: 'sample',
+        users: { canPush: [], canAuthorise: [] },
+        url: 'https://github.com/finos/git-proxy.git',
+      };
+
+      mockFindOne.mockResolvedValue(repoData);
+
+      const result = await getRepoByUrl('https://github.com/finos/git-proxy.git');
+
+      expect(result).toEqual(repoData);
+      expect(mockConnect).toHaveBeenCalledWith('repos');
+      expect(mockFindOne).toHaveBeenCalledWith({
+        url: { $eq: 'https://github.com/finos/git-proxy.git' },
+      });
+    });
+  });
+});
diff --git a/test/extractRawBody.test.js b/test/extractRawBody.test.js
deleted file mode 100644
index 2e88d3f1e..000000000
--- a/test/extractRawBody.test.js
+++ /dev/null
@@ -1,73 +0,0 @@
-const { expect } = require('chai');
-const sinon = require('sinon');
-const { PassThrough } = require('stream');
-const proxyquire = require('proxyquire').noCallThru();
-
-const fakeRawBody = sinon.stub().resolves(Buffer.from('payload'));
-
-const fakeChain = {
-  executeChain: sinon.stub(),
-};
-
-const { extractRawBody, isPackPost } = proxyquire('../src/proxy/routes', {
-  'raw-body': fakeRawBody,
-  '../chain': fakeChain,
-});
-
-describe('extractRawBody middleware', () => {
-  let req;
-  let res;
-  let next;
-
-  beforeEach(() => {
-    req = new PassThrough();
-    req.method = 'POST';
-    req.url = '/proj/foo.git/git-upload-pack';
-
-    res = {
-      set: sinon.stub().returnsThis(),
-      status: sinon.stub().returnsThis(),
-      send: sinon.stub(),
-      end: sinon.stub(),
-    };
-    next = sinon.spy();
-
-    fakeRawBody.resetHistory();
-    fakeChain.executeChain.resetHistory();
-  });
-
-  it('skips non-pack posts', async () => {
-    req.method = 'GET';
-    await extractRawBody(req, res, next);
-    expect(next.calledOnce).to.be.true;
-    expect(fakeRawBody.called).to.be.false;
-  });
-
-  it('extracts raw body and sets bodyRaw property', async () => {
-    req.write('abcd');
-    req.end();
-
-    await extractRawBody(req, res, next);
-
-    expect(fakeRawBody.calledOnce).to.be.true;
-    expect(fakeChain.executeChain.called).to.be.false;
-    expect(next.calledOnce).to.be.true;
-    expect(req.bodyRaw).to.exist;
-    expect(typeof req.pipe).to.equal('function');
-  });
-});
-
-describe('isPackPost()', () => {
-  it('returns true for git-upload-pack POST', () => {
-    expect(isPackPost({ method: 'POST', url: '/a/b.git/git-upload-pack' })).to.be.true;
-  });
-  it('returns true for git-upload-pack POST, with a gitlab style multi-level org', () => {
-    expect(isPackPost({ method: 'POST', url: '/a/bee/sea/dee.git/git-upload-pack' })).to.be.true;
-  });
-  it('returns true for git-upload-pack POST, with a bare (no org) repo URL', () => {
-    expect(isPackPost({ method: 'POST', url: '/a.git/git-upload-pack' })).to.be.true;
-  });
-  it('returns false for other URLs', () => {
-    expect(isPackPost({ method: 'POST', url: '/info/refs' })).to.be.false;
-  });
-});
diff --git a/test/extractRawBody.test.ts b/test/extractRawBody.test.ts
new file mode 100644
index 000000000..7c1cf134a
--- /dev/null
+++ b/test/extractRawBody.test.ts
@@ -0,0 +1,82 @@
+import { describe, it, beforeEach, expect, vi, Mock, afterAll } from 'vitest';
+import { PassThrough } from 'stream';
+
+// Tell Vitest to mock dependencies
+vi.mock('raw-body', () => ({
+  default: vi.fn().mockResolvedValue(Buffer.from('payload')),
+}));
+
+vi.mock('../src/proxy/chain', () => ({
+  executeChain: vi.fn(),
+}));
+
+// Now import the module-under-test, which will receive the mocked deps
+import { extractRawBody, isPackPost } from '../src/proxy/routes';
+import rawBody from 'raw-body';
+import * as chain from '../src/proxy/chain';
+
+describe('extractRawBody middleware', () => {
+  let req: any;
+  let res: any;
+  let next: Mock;
+
+  beforeEach(() => {
+    req = new PassThrough();
+    req.method = 'POST';
+    req.url = '/proj/foo.git/git-upload-pack';
+
+    res = {
+      set: vi.fn().mockReturnThis(),
+      status: vi.fn().mockReturnThis(),
+      send: vi.fn(),
+      end: vi.fn(),
+    };
+
+    next = vi.fn();
+  });
+
+  afterAll(() => {
+    (rawBody as Mock).mockClear();
+    (chain.executeChain as Mock).mockClear();
+  });
+
+  it('skips non-pack posts', async () => {
+    req.method = 'GET';
+    await extractRawBody(req, res, next);
+    expect(next).toHaveBeenCalledOnce();
+    expect(rawBody).not.toHaveBeenCalled();
+  });
+
+  it('extracts raw body and sets bodyRaw property', async () => {
+    req.write('abcd');
+    req.end();
+
+    await extractRawBody(req, res, next);
+
+    expect(rawBody).toHaveBeenCalledOnce();
+    expect(chain.executeChain).not.toHaveBeenCalled();
+    expect(next).toHaveBeenCalledOnce();
+    expect(req.bodyRaw).toBeDefined();
+    expect(typeof req.pipe).toBe('function');
+  });
+});
+
+describe('isPackPost()', () => {
+  it('returns true for git-upload-pack POST', () => {
+    expect(isPackPost({ method: 'POST', url: '/a/b.git/git-upload-pack' } as any)).toBe(true);
+  });
+
+  it('returns true for git-upload-pack POST, with a gitlab style multi-level org', () => {
+    expect(isPackPost({ method: 'POST', url: '/a/bee/sea/dee.git/git-upload-pack' } as any)).toBe(
+      true,
+    );
+  });
+
+  it('returns true for git-upload-pack POST, with a bare (no org) repo URL', () => {
+    expect(isPackPost({ method: 'POST', url: '/a.git/git-upload-pack' } as any)).toBe(true);
+  });
+
+  it('returns false for other URLs', () => {
+    expect(isPackPost({ method: 'POST', url: '/info/refs' } as any)).toBe(false);
+  });
+});
diff --git a/test/generated-config.test.js b/test/generated-config.test.ts
similarity index 73%
rename from test/generated-config.test.js
rename to test/generated-config.test.ts
index f4dd5b6f8..71c5c8993 100644
--- a/test/generated-config.test.js
+++ b/test/generated-config.test.ts
@@ -1,8 +1,6 @@
-const chai = require('chai');
-const { Convert } = require('../src/config/generated/config');
-const defaultSettings = require('../proxy.config.json');
-
-const { expect } = chai;
+import { describe, it, expect, assert } from 'vitest';
+import { Convert, GitProxyConfig } from '../src/config/generated/config';
+import defaultSettings from '../proxy.config.json';
 
 describe('Generated Config (QuickType)', () => {
   describe('Convert class', () => {
@@ -33,12 +31,12 @@ describe('Generated Config (QuickType)', () => {
 
       const result = Convert.toGitProxyConfig(JSON.stringify(validConfig));
 
-      expect(result).to.be.an('object');
-      expect(result.proxyUrl).to.equal('https://proxy.example.com');
-      expect(result.cookieSecret).to.equal('test-secret');
-      expect(result.authorisedList).to.be.an('array');
-      expect(result.authentication).to.be.an('array');
-      expect(result.sink).to.be.an('array');
+      assert.isObject(result);
+      expect(result.proxyUrl).toBe('https://proxy.example.com');
+      expect(result.cookieSecret).toBe('test-secret');
+      assert.isArray(result.authorisedList);
+      assert.isArray(result.authentication);
+      assert.isArray(result.sink);
     });
 
     it('should convert config object back to JSON', () => {
@@ -52,27 +50,27 @@ describe('Generated Config (QuickType)', () => {
             enabled: true,
           },
         ],
-      };
+      } as GitProxyConfig;
 
       const jsonString = Convert.gitProxyConfigToJson(configObject);
       const parsed = JSON.parse(jsonString);
 
-      expect(parsed).to.be.an('object');
-      expect(parsed.proxyUrl).to.equal('https://proxy.example.com');
-      expect(parsed.cookieSecret).to.equal('test-secret');
+      assert.isObject(parsed);
+      expect(parsed.proxyUrl).toBe('https://proxy.example.com');
+      expect(parsed.cookieSecret).toBe('test-secret');
     });
 
     it('should handle empty configuration object', () => {
       const emptyConfig = {};
 
       const result = Convert.toGitProxyConfig(JSON.stringify(emptyConfig));
-      expect(result).to.be.an('object');
+      assert.isObject(result);
     });
 
     it('should throw error for invalid JSON string', () => {
       expect(() => {
         Convert.toGitProxyConfig('invalid json');
-      }).to.throw();
+      }).toThrow();
     });
 
     it('should handle configuration with valid rate limit structure', () => {
@@ -119,18 +117,18 @@ describe('Generated Config (QuickType)', () => {
 
       const result = Convert.toGitProxyConfig(JSON.stringify(validConfig));
 
-      expect(result).to.be.an('object');
-      expect(result.authentication).to.be.an('array');
-      expect(result.authorisedList).to.be.an('array');
-      expect(result.contactEmail).to.be.a('string');
-      expect(result.cookieSecret).to.be.a('string');
-      expect(result.csrfProtection).to.be.a('boolean');
-      expect(result.plugins).to.be.an('array');
-      expect(result.privateOrganizations).to.be.an('array');
-      expect(result.proxyUrl).to.be.a('string');
-      expect(result.rateLimit).to.be.an('object');
-      expect(result.sessionMaxAgeHours).to.be.a('number');
-      expect(result.sink).to.be.an('array');
+      assert.isObject(result);
+      assert.isArray(result.authentication);
+      assert.isArray(result.authorisedList);
+      assert.isString(result.contactEmail);
+      assert.isString(result.cookieSecret);
+      assert.isBoolean(result.csrfProtection);
+      assert.isArray(result.plugins);
+      assert.isArray(result.privateOrganizations);
+      assert.isString(result.proxyUrl);
+      assert.isObject(result.rateLimit);
+      assert.isNumber(result.sessionMaxAgeHours);
+      assert.isArray(result.sink);
     });
 
     it('should handle malformed configuration gracefully', () => {
@@ -139,12 +137,7 @@ describe('Generated Config (QuickType)', () => {
         authentication: 'not-an-array', // Wrong type
       };
 
-      try {
-        const result = Convert.toGitProxyConfig(JSON.stringify(malformedConfig));
-        expect(result).to.be.an('object');
-      } catch (error) {
-        expect(error).to.be.an('error');
-      }
+      assert.throws(() => Convert.toGitProxyConfig(JSON.stringify(malformedConfig)));
     });
 
     it('should preserve array structures', () => {
@@ -163,10 +156,10 @@ describe('Generated Config (QuickType)', () => {
 
       const result = Convert.toGitProxyConfig(JSON.stringify(configWithArrays));
 
-      expect(result.authorisedList).to.have.lengthOf(2);
-      expect(result.authentication).to.have.lengthOf(1);
-      expect(result.plugins).to.have.lengthOf(2);
-      expect(result.privateOrganizations).to.have.lengthOf(2);
+      expect(result.authorisedList).toHaveLength(2);
+      expect(result.authentication).toHaveLength(1);
+      expect(result.plugins).toHaveLength(2);
+      expect(result.privateOrganizations).toHaveLength(2);
     });
 
     it('should handle nested object structures', () => {
@@ -192,10 +185,10 @@ describe('Generated Config (QuickType)', () => {
 
       const result = Convert.toGitProxyConfig(JSON.stringify(configWithNesting));
 
-      expect(result.tls).to.be.an('object');
-      expect(result.tls.enabled).to.be.a('boolean');
-      expect(result.rateLimit).to.be.an('object');
-      expect(result.tempPassword).to.be.an('object');
+      assert.isObject(result.tls);
+      assert.isBoolean(result.tls!.enabled);
+      assert.isObject(result.rateLimit);
+      assert.isObject(result.tempPassword);
     });
 
     it('should handle complex validation scenarios', () => {
@@ -233,9 +226,9 @@ describe('Generated Config (QuickType)', () => {
       };
 
       const result = Convert.toGitProxyConfig(JSON.stringify(complexConfig));
-      expect(result).to.be.an('object');
-      expect(result.api).to.be.an('object');
-      expect(result.domains).to.be.an('object');
+      assert.isObject(result);
+      assert.isObject(result.api);
+      assert.isObject(result.domains);
     });
 
     it('should handle array validation edge cases', () => {
@@ -264,9 +257,9 @@ describe('Generated Config (QuickType)', () => {
       };
 
       const result = Convert.toGitProxyConfig(JSON.stringify(configWithArrays));
-      expect(result.authorisedList).to.have.lengthOf(2);
-      expect(result.plugins).to.have.lengthOf(3);
-      expect(result.privateOrganizations).to.have.lengthOf(2);
+      expect(result.authorisedList).toHaveLength(2);
+      expect(result.plugins).toHaveLength(3);
+      expect(result.privateOrganizations).toHaveLength(2);
     });
 
     it('should exercise transformation functions with edge cases', () => {
@@ -302,19 +295,16 @@ describe('Generated Config (QuickType)', () => {
       };
 
       const result = Convert.toGitProxyConfig(JSON.stringify(edgeCaseConfig));
-      expect(result.sessionMaxAgeHours).to.equal(0);
-      expect(result.csrfProtection).to.equal(false);
-      expect(result.tempPassword).to.be.an('object');
-      expect(result.tempPassword.length).to.equal(12);
+      expect(result.sessionMaxAgeHours).toBe(0);
+      expect(result.csrfProtection).toBe(false);
+      assert.isObject(result.tempPassword);
+      expect(result.tempPassword!.length).toBe(12);
     });
 
     it('should test validation error paths', () => {
-      try {
-        // Try to parse something that looks like valid JSON but has wrong structure
-        Convert.toGitProxyConfig('{"proxyUrl": 123, "authentication": "not-array"}');
-      } catch (error) {
-        expect(error).to.be.an('error');
-      }
+      assert.throws(() =>
+        Convert.toGitProxyConfig('{"proxyUrl": 123, "authentication": "not-array"}'),
+      );
     });
 
     it('should test date and null handling', () => {
@@ -330,7 +320,7 @@ describe('Generated Config (QuickType)', () => {
 
       expect(() => {
         Convert.toGitProxyConfig(JSON.stringify(configWithNulls));
-      }).to.throw('Invalid value');
+      }).toThrow('Invalid value');
     });
 
     it('should test serialization back to JSON', () => {
@@ -353,8 +343,8 @@ describe('Generated Config (QuickType)', () => {
       const serialized = Convert.gitProxyConfigToJson(parsed);
       const reparsed = JSON.parse(serialized);
 
-      expect(reparsed.proxyUrl).to.equal('https://test.com');
-      expect(reparsed.rateLimit).to.be.an('object');
+      expect(reparsed.proxyUrl).toBe('https://test.com');
+      assert.isObject(reparsed.rateLimit);
     });
 
     it('should validate the default configuration from proxy.config.json', () => {
@@ -362,15 +352,15 @@ describe('Generated Config (QuickType)', () => {
       // This catches cases where schema updates haven't been reflected in the default config
       const result = Convert.toGitProxyConfig(JSON.stringify(defaultSettings));
 
-      expect(result).to.be.an('object');
-      expect(result.cookieSecret).to.be.a('string');
-      expect(result.authorisedList).to.be.an('array');
-      expect(result.authentication).to.be.an('array');
-      expect(result.sink).to.be.an('array');
+      assert.isObject(result);
+      assert.isString(result.cookieSecret);
+      assert.isArray(result.authorisedList);
+      assert.isArray(result.authentication);
+      assert.isArray(result.sink);
 
       // Validate that serialization also works
       const serialized = Convert.gitProxyConfigToJson(result);
-      expect(() => JSON.parse(serialized)).to.not.throw();
+      expect(() => JSON.parse(serialized)).not.toThrow();
     });
   });
 });
diff --git a/test/integration/forcePush.integration.test.js b/test/integration/forcePush.integration.test.js
deleted file mode 100644
index 0ef35c8fb..000000000
--- a/test/integration/forcePush.integration.test.js
+++ /dev/null
@@ -1,164 +0,0 @@
-const path = require('path');
-const simpleGit = require('simple-git');
-const fs = require('fs').promises;
-const { Action } = require('../../src/proxy/actions');
-const { exec: getDiff } = require('../../src/proxy/processors/push-action/getDiff');
-const { exec: scanDiff } = require('../../src/proxy/processors/push-action/scanDiff');
-
-const chai = require('chai');
-const expect = chai.expect;
-
-describe('Force Push Integration Test', () => {
-  let tempDir;
-  let git;
-  let initialCommitSHA;
-  let rebasedCommitSHA;
-
-  before(async function () {
-    this.timeout(10000);
-
-    tempDir = path.join(__dirname, '../temp-integration-repo');
-    await fs.mkdir(tempDir, { recursive: true });
-    git = simpleGit(tempDir);
-
-    await git.init();
-    await git.addConfig('user.name', 'Test User');
-    await git.addConfig('user.email', 'test@example.com');
-
-    // Create initial commit
-    await fs.writeFile(path.join(tempDir, 'base.txt'), 'base content');
-    await git.add('.');
-    await git.commit('Initial commit');
-
-    // Create feature commit
-    await fs.writeFile(path.join(tempDir, 'feature.txt'), 'feature content');
-    await git.add('.');
-    await git.commit('Add feature');
-
-    const log = await git.log();
-    initialCommitSHA = log.latest.hash;
-
-    // Simulate rebase by amending commit (changes SHA)
-    await git.commit(['--amend', '-m', 'Add feature (rebased)']);
-
-    const newLog = await git.log();
-    rebasedCommitSHA = newLog.latest.hash;
-
-    console.log(`Initial SHA: ${initialCommitSHA}`);
-    console.log(`Rebased SHA: ${rebasedCommitSHA}`);
-  });
-
-  after(async () => {
-    try {
-      await fs.rmdir(tempDir, { recursive: true });
-    } catch (e) {
-      // Ignore cleanup errors
-    }
-  });
-
-  describe('Complete force push pipeline', () => {
-    it('should handle valid diff after rebase scenario', async function () {
-      this.timeout(5000);
-
-      // Create action simulating force push with valid SHAs that have actual changes
-      const action = new Action(
-        'valid-diff-integration',
-        'push',
-        'POST',
-        Date.now(),
-        'test/repo.git',
-      );
-      action.proxyGitPath = path.dirname(tempDir);
-      action.repoName = path.basename(tempDir);
-
-      // Parent of initial commit to get actual diff content
-      const parentSHA = '4b825dc642cb6eb9a060e54bf8d69288fbee4904';
-      action.commitFrom = parentSHA;
-      action.commitTo = rebasedCommitSHA;
-      action.commitData = [
-        {
-          parent: parentSHA,
-          commit: rebasedCommitSHA,
-          message: 'Add feature (rebased)',
-          author: 'Test User',
-        },
-      ];
-
-      const afterGetDiff = await getDiff({}, action);
-      expect(afterGetDiff.steps).to.have.length.greaterThan(0);
-
-      const diffStep = afterGetDiff.steps.find((s) => s.stepName === 'diff');
-      expect(diffStep).to.exist;
-      expect(diffStep.error).to.be.false;
-      expect(diffStep.content).to.be.a('string');
-      expect(diffStep.content.length).to.be.greaterThan(0);
-
-      const afterScanDiff = await scanDiff({}, afterGetDiff);
-      const scanStep = afterScanDiff.steps.find((s) => s.stepName === 'scanDiff');
-
-      expect(scanStep).to.exist;
-      expect(scanStep.error).to.be.false;
-    });
-
-    it('should handle unreachable commit SHA error', async function () {
-      this.timeout(5000);
-
-      // Invalid SHA to trigger error
-      const action = new Action(
-        'unreachable-sha-integration',
-        'push',
-        'POST',
-        Date.now(),
-        'test/repo.git',
-      );
-      action.proxyGitPath = path.dirname(tempDir);
-      action.repoName = path.basename(tempDir);
-      action.commitFrom = 'deadbeefdeadbeefdeadbeefdeadbeefdeadbeef'; // Invalid SHA
-      action.commitTo = rebasedCommitSHA;
-      action.commitData = [
-        {
-          parent: 'deadbeefdeadbeefdeadbeefdeadbeefdeadbeef',
-          commit: rebasedCommitSHA,
-          message: 'Add feature (rebased)',
-          author: 'Test User',
-        },
-      ];
-
-      const afterGetDiff = await getDiff({}, action);
-      expect(afterGetDiff.steps).to.have.length.greaterThan(0);
-
-      const diffStep = afterGetDiff.steps.find((s) => s.stepName === 'diff');
-      expect(diffStep).to.exist;
-      expect(diffStep.error).to.be.true;
-      expect(diffStep.errorMessage).to.be.a('string');
-      expect(diffStep.errorMessage.length).to.be.greaterThan(0);
-      expect(diffStep.errorMessage).to.satisfy(
-        (msg) => msg.includes('fatal:') && msg.includes('Invalid revision range'),
-        'Error message should contain git diff specific error for invalid SHA',
-      );
-
-      // scanDiff should not block on missing diff due to error
-      const afterScanDiff = await scanDiff({}, afterGetDiff);
-      const scanStep = afterScanDiff.steps.find((s) => s.stepName === 'scanDiff');
-
-      expect(scanStep).to.exist;
-      expect(scanStep.error).to.be.false;
-    });
-
-    it('should handle missing diff step gracefully', async function () {
-      const action = new Action(
-        'missing-diff-integration',
-        'push',
-        'POST',
-        Date.now(),
-        'test/repo.git',
-      );
-
-      const result = await scanDiff({}, action);
-
-      expect(result.steps).to.have.length(1);
-      expect(result.steps[0].stepName).to.equal('scanDiff');
-      expect(result.steps[0].error).to.be.false;
-    });
-  });
-});
diff --git a/test/integration/forcePush.integration.test.ts b/test/integration/forcePush.integration.test.ts
new file mode 100644
index 000000000..1cbc2ade3
--- /dev/null
+++ b/test/integration/forcePush.integration.test.ts
@@ -0,0 +1,172 @@
+import path from 'path';
+import simpleGit, { SimpleGit } from 'simple-git';
+import fs from 'fs/promises';
+import { describe, it, beforeAll, afterAll, expect } from 'vitest';
+
+import { Action } from '../../src/proxy/actions';
+import { exec as getDiff } from '../../src/proxy/processors/push-action/getDiff';
+import { exec as scanDiff } from '../../src/proxy/processors/push-action/scanDiff';
+
+describe(
+  'Force Push Integration Test',
+  () => {
+    let tempDir: string;
+    let git: SimpleGit;
+    let initialCommitSHA: string;
+    let rebasedCommitSHA: string;
+
+    beforeAll(async () => {
+      tempDir = path.join(__dirname, '../temp-integration-repo');
+      await fs.mkdir(tempDir, { recursive: true });
+      git = simpleGit(tempDir);
+
+      await git.init();
+      await git.addConfig('user.name', 'Test User');
+      await git.addConfig('user.email', 'test@example.com');
+
+      // Create initial commit
+      await fs.writeFile(path.join(tempDir, 'base.txt'), 'base content');
+      await git.add('.');
+      await git.commit('Initial commit');
+
+      // Create feature commit
+      await fs.writeFile(path.join(tempDir, 'feature.txt'), 'feature content');
+      await git.add('.');
+      await git.commit('Add feature');
+
+      const log = await git.log();
+      initialCommitSHA = log.latest?.hash ?? '';
+
+      // Simulate rebase by amending commit (changes SHA)
+      await git.commit(['--amend', '-m', 'Add feature (rebased)']);
+
+      const newLog = await git.log();
+      rebasedCommitSHA = newLog.latest?.hash ?? '';
+
+      console.log(`Initial SHA: ${initialCommitSHA}`);
+      console.log(`Rebased SHA: ${rebasedCommitSHA}`);
+    }, 10000);
+
+    afterAll(async () => {
+      try {
+        await fs.rm(tempDir, { recursive: true, force: true });
+      } catch {
+        // Ignore cleanup errors
+      }
+    });
+
+    describe('Complete force push pipeline', () => {
+      it('should handle valid diff after rebase scenario', async () => {
+        // Create action simulating force push with valid SHAs that have actual changes
+        const action = new Action(
+          'valid-diff-integration',
+          'push',
+          'POST',
+          Date.now(),
+          'test/repo.git',
+        );
+        action.proxyGitPath = path.dirname(tempDir);
+        action.repoName = path.basename(tempDir);
+
+        // Parent of initial commit to get actual diff content
+        const parentSHA = '4b825dc642cb6eb9a060e54bf8d69288fbee4904';
+        action.commitFrom = parentSHA;
+        action.commitTo = rebasedCommitSHA;
+        action.commitData = [
+          {
+            parent: parentSHA,
+            message: 'Add feature (rebased)',
+            author: 'Test User',
+            committer: 'Test User',
+            committerEmail: 'test@example.com',
+            tree: 'tree SHA',
+            authorEmail: 'test@example.com',
+          },
+        ];
+
+        const afterGetDiff = await getDiff({}, action);
+        expect(afterGetDiff.steps.length).toBeGreaterThan(0);
+
+        const diffStep = afterGetDiff.steps.find((s: any) => s.stepName === 'diff');
+        if (!diffStep) {
+          throw new Error('Diff step not found');
+        }
+
+        expect(diffStep.error).toBe(false);
+        expect(typeof diffStep.content).toBe('string');
+        expect(diffStep.content.length).toBeGreaterThan(0);
+
+        const afterScanDiff = await scanDiff({}, afterGetDiff);
+        const scanStep = afterScanDiff.steps.find((s: any) => s.stepName === 'scanDiff');
+
+        expect(scanStep).toBeDefined();
+        expect(scanStep?.error).toBe(false);
+      });
+
+      it('should handle unreachable commit SHA error', async () => {
+        // Invalid SHA to trigger error
+        const action = new Action(
+          'unreachable-sha-integration',
+          'push',
+          'POST',
+          Date.now(),
+          'test/repo.git',
+        );
+        action.proxyGitPath = path.dirname(tempDir);
+        action.repoName = path.basename(tempDir);
+        action.commitFrom = 'deadbeefdeadbeefdeadbeefdeadbeefdeadbeef';
+        action.commitTo = rebasedCommitSHA;
+        action.commitData = [
+          {
+            parent: 'deadbeefdeadbeefdeadbeefdeadbeefdeadbeef',
+            message: 'Add feature (rebased)',
+            author: 'Test User',
+            committer: 'Test User',
+            committerEmail: 'test@example.com',
+            tree: 'tree SHA',
+            authorEmail: 'test@example.com',
+          },
+        ];
+
+        const afterGetDiff = await getDiff({}, action);
+        expect(afterGetDiff.steps.length).toBeGreaterThan(0);
+
+        const diffStep = afterGetDiff.steps.find((s: any) => s.stepName === 'diff');
+        if (!diffStep) {
+          throw new Error('Diff step not found');
+        }
+
+        expect(diffStep.error).toBe(true);
+        expect(typeof diffStep.errorMessage).toBe('string');
+        expect(diffStep.errorMessage?.length).toBeGreaterThan(0);
+        expect(diffStep.errorMessage).toSatisfy(
+          (msg: string) => msg.includes('fatal:') && msg.includes('Invalid revision range'),
+        );
+
+        // scanDiff should not block on missing diff due to error
+        const afterScanDiff = await scanDiff({}, afterGetDiff);
+        const scanStep = afterScanDiff.steps.find((s: any) => s.stepName === 'scanDiff');
+
+        expect(scanStep).toBeDefined();
+        expect(scanStep?.error).toBe(false);
+      });
+
+      it('should handle missing diff step gracefully', async () => {
+        const action = new Action(
+          'missing-diff-integration',
+          'push',
+          'POST',
+          Date.now(),
+          'test/repo.git',
+        );
+
+        const result = await scanDiff({}, action);
+
+        expect(result.steps.length).toBe(1);
+        expect(result.steps[0].stepName).toBe('scanDiff');
+        expect(result.steps[0].error).toBe(false);
+      });
+    });
+  },
+  { timeout: 20000 },
+);
diff --git a/test/plugin/plugin.test.js b/test/plugin/plugin.test.js
deleted file mode 100644
index bb1acbdf0..000000000
--- a/test/plugin/plugin.test.js
+++ /dev/null
@@ -1,130 +0,0 @@
-import chai from 'chai';
-import { spawnSync } from 'child_process';
-import { rmSync } from 'fs';
-import { join } from 'path';
-import { isCompatiblePlugin, PushActionPlugin, PluginLoader } from '../../src/plugin.ts';
-
-chai.should();
-
-const expect = chai.expect;
-
-const testPackagePath = join(__dirname, '../fixtures', 'test-package');
-
-describe('loading plugins from packages', function () {
-  this.timeout(10000);
-
-  before(function () {
-    spawnSync('npm', ['install'], { cwd: testPackagePath, timeout: 5000 });
-  });
-
-  describe('CommonJS syntax', () => {
-    it('should load plugins that are the default export (module.exports = pluginObj)', async function () {
-      const loader = new PluginLoader([join(testPackagePath, 'default-export.js')]);
-      await loader.load();
-      expect(loader.pushPlugins.length).to.equal(1);
-      expect(loader.pushPlugins.every((p) => isCompatiblePlugin(p))).to.be.true;
-      expect(loader.pushPlugins.every((p) => isCompatiblePlugin(p, 'isGitProxyPushActionPlugin')))
-        .to.be.true;
-    }).timeout(10000);
-
-    it('should load multiple plugins from a module that match the plugin class (module.exports = { pluginFoo, pluginBar })', async function () {
-      const loader = new PluginLoader([join(testPackagePath, 'multiple-export.js')]);
-      await loader.load();
-
-      // Should load the foo and bar plugins, but not the baz object which isn't a plugin
-      expect(loader.pushPlugins.length).to.equal(1);
-      expect(loader.pullPlugins.length).to.equal(1);
-      expect(loader.pushPlugins.every((p) => isCompatiblePlugin(p))).to.be.true;
-      expect(loader.pushPlugins.every((p) => isCompatiblePlugin(p, 'isGitProxyPushActionPlugin')))
-        .to.be.true;
-      expect(loader.pullPlugins.every((p) => isCompatiblePlugin(p, 'isGitProxyPullActionPlugin')))
-        .to.be.true;
-    }).timeout(10000);
-
-    it('should load plugins that are subclassed from plugin classes', async function () {
-      const loader = new PluginLoader([join(testPackagePath, 'subclass.js')]);
-      await loader.load();
-      expect(loader.pushPlugins.length).to.equal(1);
-      expect(loader.pushPlugins.every((p) => isCompatiblePlugin(p))).to.be.true;
-      expect(loader.pushPlugins.every((p) => isCompatiblePlugin(p, 'isGitProxyPushActionPlugin')))
-        .to.be.true;
-    }).timeout(10000);
-  });
-
-  describe('ESM syntax', () => {
-    it('should load plugins that are the default export (exports default pluginObj)', async function () {
-      const loader = new PluginLoader([join(testPackagePath, 'esm-export.js')]);
-      await loader.load();
-      expect(loader.pushPlugins.length).to.equal(1);
-      expect(loader.pushPlugins.every((p) => isCompatiblePlugin(p))).to.be.true;
-      expect(loader.pushPlugins.every((p) => isCompatiblePlugin(p, 'isGitProxyPushActionPlugin')))
-        .to.be.true;
-    }).timeout(10000);
-
-    it('should load multiple plugins from a module that match the plugin class (exports default { pluginFoo, pluginBar })', async function () {
-      const loader = new PluginLoader([join(testPackagePath, 'esm-multiple-export.js')]);
-      await loader.load();
-
-      // Should load the foo and bar plugins, but not the baz object which isn't a plugin
-      expect(loader.pushPlugins.length).to.equal(1);
-      expect(loader.pullPlugins.length).to.equal(1);
-      expect(loader.pushPlugins.every((p) => isCompatiblePlugin(p))).to.be.true;
-      expect(loader.pushPlugins.every((p) => isCompatiblePlugin(p, 'isGitProxyPushActionPlugin')))
-        .to.be.true;
-      expect(loader.pullPlugins.every((p) => isCompatiblePlugin(p, 'isGitProxyPullActionPlugin')))
-        .to.be.true;
-    }).timeout(10000);
-
-    it('should load plugins that are subclassed from plugin classes (exports default class DummyPlugin extends PushActionPlugin {})', async function () {
-      const loader = new PluginLoader([join(testPackagePath, 'esm-subclass.js')]);
-      await loader.load();
-      expect(loader.pushPlugins.length).to.equal(1);
-      expect(loader.pushPlugins.every((p) => isCompatiblePlugin(p))).to.be.true;
-      expect(loader.pushPlugins.every((p) => isCompatiblePlugin(p, 'isGitProxyPushActionPlugin')))
-        .to.be.true;
-    }).timeout(10000);
-  });
-
-  it('should not load plugins that are not valid modules', async function () {
-    const loader = new PluginLoader([join(__dirname, './dummy.js')]);
-    await loader.load();
-    expect(loader.pushPlugins.length).to.equal(0);
-    expect(loader.pullPlugins.length).to.equal(0);
-  }).timeout(10000);
-
-  it('should not load plugins that are not extended from plugin objects', async function () {
-    const loader = new PluginLoader([join(__dirname, './fixtures/baz.js')]);
-    await loader.load();
-    expect(loader.pushPlugins.length).to.equal(0);
-    expect(loader.pullPlugins.length).to.equal(0);
-  }).timeout(10000);
-
-  after(function () {
-    rmSync(join(testPackagePath, 'node_modules'), { recursive: true });
-  });
-});
-
-describe('plugin functions', function () {
-  it('should return true for isCompatiblePlugin', function () {
-    const plugin = new PushActionPlugin();
-    expect(isCompatiblePlugin(plugin)).to.be.true;
-    expect(isCompatiblePlugin(plugin, 'isGitProxyPushActionPlugin')).to.be.true;
-  });
-
-  it('should return false for isCompatiblePlugin', function () {
-    const plugin = {};
-    expect(isCompatiblePlugin(plugin)).to.be.false;
-  });
-
-  it('should return true for isCompatiblePlugin with a custom type', function () {
-    class CustomPlugin extends PushActionPlugin {
-      constructor() {
-        super();
-        this.isCustomPlugin = true;
-      }
-    }
-    const plugin = new CustomPlugin();
-    expect(isCompatiblePlugin(plugin)).to.be.true;
-    expect(isCompatiblePlugin(plugin, 'isGitProxyPushActionPlugin')).to.be.true;
-  });
-});
diff --git a/test/plugin/plugin.test.ts b/test/plugin/plugin.test.ts
new file mode 100644
index 000000000..0d0afe56f
--- /dev/null
+++ b/test/plugin/plugin.test.ts
@@ -0,0 +1,147 @@
+import { describe, it, expect, beforeAll, afterAll } from 'vitest';
+import { spawnSync } from 'child_process';
+import { rmSync } from 'fs';
+import { join } from 'path';
+import { isCompatiblePlugin, PushActionPlugin, PluginLoader } from '../../src/plugin';
+
+const testPackagePath = join(__dirname, '../fixtures', 'test-package');
+
+describe('loading plugins from packages', () => {
+  beforeAll(() => {
+    spawnSync('npm', ['install'], { cwd: testPackagePath, timeout: 5000 });
+  });
+
+  describe('CommonJS syntax', () => {
+    it(
+      'should load plugins that are the default export (module.exports = pluginObj)',
+      async () => {
+        const loader = new PluginLoader([join(testPackagePath, 'default-export.js')]);
+        await loader.load();
+        expect(loader.pushPlugins.length).toBe(1);
+        expect(loader.pushPlugins.every((p) => isCompatiblePlugin(p))).toBe(true);
+        expect(
+          loader.pushPlugins.every((p) => isCompatiblePlugin(p, 'isGitProxyPushActionPlugin')),
+        ).toBe(true);
+      },
+      { timeout: 10000 },
+    );
+
+    it(
+      'should load multiple plugins from a module that match the plugin class (module.exports = { pluginFoo, pluginBar })',
+      async () => {
+        const loader = new PluginLoader([join(testPackagePath, 'multiple-export.js')]);
+        await loader.load();
+        expect(loader.pushPlugins.length).toBe(1);
+        expect(loader.pullPlugins.length).toBe(1);
+        expect(loader.pushPlugins.every((p) => isCompatiblePlugin(p))).toBe(true);
+        expect(
+          loader.pushPlugins.every((p) => isCompatiblePlugin(p, 'isGitProxyPushActionPlugin')),
+        ).toBe(true);
+        expect(
+          loader.pullPlugins.every((p) => isCompatiblePlugin(p, 'isGitProxyPullActionPlugin')),
+        ).toBe(true);
+      },
+      { timeout: 10000 },
+    );
+
+    it(
+      'should load plugins that are subclassed from plugin classes',
+      async () => {
+        const loader = new PluginLoader([join(testPackagePath, 'subclass.js')]);
+        await loader.load();
+        expect(loader.pushPlugins.length).toBe(1);
+        expect(loader.pushPlugins.every((p) => isCompatiblePlugin(p))).toBe(true);
+        expect(
+          loader.pushPlugins.every((p) => isCompatiblePlugin(p, 'isGitProxyPushActionPlugin')),
+        ).toBe(true);
+      },
+      { timeout: 10000 },
+    );
+  });
+
+  describe('ESM syntax', () => {
+    it(
+      'should load plugins that are the default export (exports default pluginObj)',
+      async () => {
+        const loader = new PluginLoader([join(testPackagePath, 'esm-export.js')]);
+        await loader.load();
+        expect(loader.pushPlugins.length).toBe(1);
+        expect(loader.pushPlugins.every((p) => isCompatiblePlugin(p))).toBe(true);
+        expect(
+          loader.pushPlugins.every((p) => isCompatiblePlugin(p, 'isGitProxyPushActionPlugin')),
+        ).toBe(true);
+      },
+      { timeout: 10000 },
+    );
+    it('should load multiple plugins from a module that match the plugin class (exports default { pluginFoo, pluginBar })', async () => {
+      const loader = new PluginLoader([join(testPackagePath, 'esm-multiple-export.js')]);
+      await loader.load();
+      expect(loader.pushPlugins.length).toBe(1);
+      expect(loader.pullPlugins.length).toBe(1);
+      expect(loader.pushPlugins.every((p) => isCompatiblePlugin(p))).toBe(true);
+      expect(
+        loader.pushPlugins.every((p) => isCompatiblePlugin(p, 'isGitProxyPushActionPlugin')),
+      ).toBe(true);
+      expect(
+        loader.pullPlugins.every((p) => isCompatiblePlugin(p, 'isGitProxyPullActionPlugin')),
+      ).toBe(true);
+    });
+    it('should load plugins that are subclassed from plugin classes (exports default class DummyPlugin extends PushActionPlugin {})', async () => {
+      const loader = new PluginLoader([join(testPackagePath, 'esm-subclass.js')]);
+      await loader.load();
+      expect(loader.pushPlugins.length).toBe(1);
+      expect(loader.pushPlugins.every((p) => isCompatiblePlugin(p))).toBe(true);
+      expect(
+        loader.pushPlugins.every((p) => isCompatiblePlugin(p, 'isGitProxyPushActionPlugin')),
+      ).toBe(true);
+    });
+  });
+
+  it(
+    'should not load plugins that are not valid modules',
+    async () => {
+      const loader = new PluginLoader([join(__dirname, './dummy.js')]);
+      await loader.load();
+      expect(loader.pushPlugins.length).toBe(0);
+      expect(loader.pullPlugins.length).toBe(0);
+    },
+    { timeout: 10000 },
+  );
+
+  it(
+    'should not load plugins that are not extended from plugin objects',
+    async () => {
+      const loader = new PluginLoader([join(__dirname, './fixtures/baz.js')]);
+      await loader.load();
+      expect(loader.pushPlugins.length).toBe(0);
+      expect(loader.pullPlugins.length).toBe(0);
+    },
+    { timeout: 10000 },
+  );
+
+  afterAll(() => {
+    rmSync(join(testPackagePath, 'node_modules'), { recursive: true });
+  });
+});
+
+describe('plugin functions', () => {
+  it('should return true for isCompatiblePlugin', () => {
+    const plugin = new PushActionPlugin(async () => {});
+    expect(isCompatiblePlugin(plugin)).toBe(true);
+    expect(isCompatiblePlugin(plugin, 'isGitProxyPushActionPlugin')).toBe(true);
+  });
+
+  it('should return false for isCompatiblePlugin', () => {
+    const plugin = {};
+    expect(isCompatiblePlugin(plugin)).toBe(false);
+  });
+
+  it('should return true for isCompatiblePlugin with a custom type', () => {
+    class CustomPlugin extends PushActionPlugin {
+      isCustomPlugin = true;
+    }
+    const plugin = new CustomPlugin(async () => {});
+    expect(isCompatiblePlugin(plugin)).toBe(true);
+    expect(isCompatiblePlugin(plugin, 'isGitProxyPushActionPlugin')).toBe(true);
+  });
+});
diff --git a/test/preReceive/preReceive.test.js b/test/preReceive/preReceive.test.js
deleted file mode 100644
index b9cfe0ecb..000000000
--- a/test/preReceive/preReceive.test.js
+++ /dev/null
@@ -1,138 +0,0 @@
-const { expect } = require('chai');
-const sinon = require('sinon');
-const path = require('path');
-const { exec } = require('../../src/proxy/processors/push-action/preReceive');
-
-describe('Pre-Receive Hook Execution', function () {
-  let action;
-  let req;
-
-  beforeEach(() => {
-    req = {};
-    action = {
-      steps: [],
-      commitFrom: 'oldCommitHash',
-      commitTo: 'newCommitHash',
-      branch: 'feature-branch',
-      proxyGitPath: 'test/preReceive/mock/repo',
-      repoName: 'test-repo',
-      addStep: function (step) {
-        this.steps.push(step);
-      },
-      setAutoApproval: sinon.stub(),
-      setAutoRejection: sinon.stub(),
-    };
-  });
-
-  afterEach(() => {
-    sinon.restore();
-  });
-
-  it('should skip execution when hook file does not exist', async () => {
-    const scriptPath = path.resolve(__dirname, 'pre-receive-hooks/missing-hook.sh');
-
-    const result = await exec(req, action, scriptPath);
-
-    expect(result.steps).to.have.lengthOf(1);
-    expect(result.steps[0].error).to.be.false;
-    expect(
-      result.steps[0].logs.some((log) =>
-        log.includes('Pre-receive hook not found, skipping execution.'),
-      ),
-    ).to.be.true;
-    expect(action.setAutoApproval.called).to.be.false;
-    expect(action.setAutoRejection.called).to.be.false;
-  });
-
-  it('should skip execution when hook directory does not exist', async () => {
-    const scriptPath = path.resolve(__dirname, 'non-existent-directory/pre-receive.sh');
-
-    const result = await exec(req, action, scriptPath);
-
-    expect(result.steps).to.have.lengthOf(1);
-    expect(result.steps[0].error).to.be.false;
-    expect(
-      result.steps[0].logs.some((log) =>
-        log.includes('Pre-receive hook not found, skipping execution.'),
-      ),
-    ).to.be.true;
-    expect(action.setAutoApproval.called).to.be.false;
-    expect(action.setAutoRejection.called).to.be.false;
-  });
-
-  it('should catch and handle unexpected errors', async () => {
-    const scriptPath = path.resolve(__dirname, 'pre-receive-hooks/always-exit-0.sh');
-
-    sinon.stub(require('fs'), 'existsSync').throws(new Error('Unexpected FS error'));
-
-    const result = await exec(req, action, scriptPath);
-
-    expect(result.steps).to.have.lengthOf(1);
-    expect(result.steps[0].error).to.be.true;
-    expect(
-      result.steps[0].logs.some((log) => log.includes('Hook execution error: Unexpected FS error')),
-    ).to.be.true;
-    expect(action.setAutoApproval.called).to.be.false;
-    expect(action.setAutoRejection.called).to.be.false;
-  });
-
-  it('should approve push automatically when hook returns status 0', async () => {
-    const scriptPath = path.resolve(__dirname, 'pre-receive-hooks/always-exit-0.sh');
-
-    const result = await exec(req, action, scriptPath);
-
-    expect(result.steps).to.have.lengthOf(1);
-    expect(result.steps[0].error).to.be.false;
-    expect(
-      result.steps[0].logs.some((log) =>
-        log.includes('Push automatically approved by pre-receive hook.'),
-      ),
-    ).to.be.true;
-    expect(action.setAutoApproval.calledOnce).to.be.true;
-    expect(action.setAutoRejection.called).to.be.false;
-  });
-
-  it('should reject push automatically when hook returns status 1', async () => {
-    const scriptPath = path.resolve(__dirname, 'pre-receive-hooks/always-exit-1.sh');
-
-    const result = await exec(req, action, scriptPath);
-
-    expect(result.steps).to.have.lengthOf(1);
-    expect(result.steps[0].error).to.be.false;
-    expect(
-      result.steps[0].logs.some((log) =>
-        log.includes('Push automatically rejected by pre-receive hook.'),
-      ),
-    ).to.be.true;
-    expect(action.setAutoRejection.calledOnce).to.be.true;
-    expect(action.setAutoApproval.called).to.be.false;
-  });
-
-  it('should execute hook successfully and require manual approval', async () => {
-    const scriptPath = path.resolve(__dirname, 'pre-receive-hooks/always-exit-2.sh');
-
-    const result = await exec(req, action, scriptPath);
-
-    expect(result.steps).to.have.lengthOf(1);
-    expect(result.steps[0].error).to.be.false;
-    expect(result.steps[0].logs.some((log) => log.includes('Push requires manual approval.'))).to.be
-      .true;
-    expect(action.setAutoApproval.called).to.be.false;
-    expect(action.setAutoRejection.called).to.be.false;
-  });
-
-  it('should handle unexpected hook status codes', async () => {
-    const scriptPath = path.resolve(__dirname, 'pre-receive-hooks/always-exit-99.sh');
-
-    const result = await exec(req, action, scriptPath);
-
-    expect(result.steps).to.have.lengthOf(1);
-    expect(result.steps[0].error).to.be.true;
-    expect(result.steps[0].logs.some((log) => log.includes('Unexpected hook status: 99'))).to.be
-      .true;
-    expect(result.steps[0].logs.some((log) => log.includes('Unknown pre-receive hook error.'))).to
-      .be.true;
-    expect(action.setAutoApproval.called).to.be.false;
-    expect(action.setAutoRejection.called).to.be.false;
-  });
-});
diff --git a/test/preReceive/preReceive.test.ts b/test/preReceive/preReceive.test.ts
new file mode 100644
index 000000000..bc8f3a416
--- /dev/null
+++ b/test/preReceive/preReceive.test.ts
@@ -0,0 +1,149 @@
+import { describe, it, expect, beforeEach, afterEach, vi } from 'vitest';
+import path from 'path';
+import * as fs from 'fs';
+import { exec } from '../../src/proxy/processors/push-action/preReceive';
+
+// TODO: Replace with memfs to prevent test pollution issues
+vi.mock('fs', { spy: true });
+
+describe('Pre-Receive Hook Execution', () => {
+  let action: any;
+  let req: any;
+
+  beforeEach(() => {
+    req = {};
+    action = {
+      steps: [] as any[],
+      commitFrom: 'oldCommitHash',
+      commitTo: 'newCommitHash',
+      branch: 'feature-branch',
+      proxyGitPath: 'test/preReceive/mock/repo',
+      repoName: 'test-repo',
+      addStep(step: any) {
+        this.steps.push(step);
+      },
+      setAutoApproval: vi.fn(),
+      setAutoRejection: vi.fn(),
+    };
+  });
+
+  afterEach(() => {
+    vi.resetModules();
+    vi.restoreAllMocks();
+  });
+
+  it('should catch and handle unexpected errors', async () => {
+    const scriptPath = path.resolve(__dirname, 'pre-receive-hooks/always-exit-0.sh');
+
+    vi.mocked(fs.existsSync).mockImplementationOnce(() => {
+      throw new Error('Unexpected FS error');
+    });
+
+    const result = await exec(req, action, scriptPath);
+
+    expect(result.steps).toHaveLength(1);
+    expect(result.steps[0].error).toBe(true);
+    expect(
+      result.steps[0].logs.some((log: string) =>
+        log.includes('Hook execution error: Unexpected FS error'),
+      ),
+    ).toBe(true);
+    expect(action.setAutoApproval).not.toHaveBeenCalled();
+    expect(action.setAutoRejection).not.toHaveBeenCalled();
+  });
+
+  it('should skip execution when hook file does not exist', async () => {
+    const scriptPath = path.resolve(__dirname, 'pre-receive-hooks/missing-hook.sh');
+
+    const result = await exec(req, action, scriptPath);
+
+    expect(result.steps).toHaveLength(1);
+    expect(result.steps[0].error).toBe(false);
+    expect(
+      result.steps[0].logs.some((log: string) =>
+        log.includes('Pre-receive hook not found, skipping execution.'),
+      ),
+    ).toBe(true);
+    expect(action.setAutoApproval).not.toHaveBeenCalled();
+    expect(action.setAutoRejection).not.toHaveBeenCalled();
+  });
+
+  it('should skip execution when hook directory does not exist', async () => {
+    const scriptPath = path.resolve(__dirname, 'non-existent-directory/pre-receive.sh');
+
+    const result = await exec(req, action, scriptPath);
+
+    expect(result.steps).toHaveLength(1);
+    expect(result.steps[0].error).toBe(false);
+    expect(
+      result.steps[0].logs.some((log: string) =>
+        log.includes('Pre-receive hook not found, skipping execution.'),
+      ),
+    ).toBe(true);
+    expect(action.setAutoApproval).not.toHaveBeenCalled();
+    expect(action.setAutoRejection).not.toHaveBeenCalled();
+  });
+
+  it('should approve push automatically when hook returns status 0', async () => {
+    const scriptPath = path.resolve(__dirname, 'pre-receive-hooks/always-exit-0.sh');
+
+    const result = await exec(req, action, scriptPath);
+
+    expect(result.steps).toHaveLength(1);
+    expect(result.steps[0].error).toBe(false);
+    expect(
+      result.steps[0].logs.some((log: string) =>
+        log.includes('Push automatically approved by pre-receive hook.'),
+      ),
+    ).toBe(true);
+    expect(action.setAutoApproval).toHaveBeenCalledTimes(1);
+    expect(action.setAutoRejection).not.toHaveBeenCalled();
+  });
+
+  it('should reject push automatically when hook returns status 1', async () => {
+    const scriptPath = path.resolve(__dirname, 'pre-receive-hooks/always-exit-1.sh');
+
+    const result = await exec(req, action, scriptPath);
+
+    expect(result.steps).toHaveLength(1);
+    expect(result.steps[0].error).toBe(false);
+    expect(
+      result.steps[0].logs.some((log: string) =>
+        log.includes('Push automatically rejected by pre-receive hook.'),
+      ),
+    ).toBe(true);
+    expect(action.setAutoRejection).toHaveBeenCalledTimes(1);
+    expect(action.setAutoApproval).not.toHaveBeenCalled();
+  });
+
+  it('should execute hook successfully and require manual approval', async () => {
+    const scriptPath = path.resolve(__dirname, 'pre-receive-hooks/always-exit-2.sh');
+
+    const result = await exec(req, action, scriptPath);
+
+    expect(result.steps).toHaveLength(1);
+    expect(result.steps[0].error).toBe(false);
+    expect(
+      result.steps[0].logs.some((log: string) => log.includes('Push requires manual approval.')),
+    ).toBe(true);
+    expect(action.setAutoApproval).not.toHaveBeenCalled();
+    expect(action.setAutoRejection).not.toHaveBeenCalled();
+  });
+
+  it('should handle unexpected hook status codes', async () => {
+    const scriptPath = path.resolve(__dirname, 'pre-receive-hooks/always-exit-99.sh');
+
+    const result = await exec(req, action, scriptPath);
+
+    expect(result.steps).toHaveLength(1);
+    expect(result.steps[0].error).toBe(true);
+    expect(
+      result.steps[0].logs.some((log: string) => log.includes('Unexpected hook status: 99')),
+    ).toBe(true);
+    expect(
+      result.steps[0].logs.some((log: string) => log.includes('Unknown pre-receive hook error.')),
+    ).toBe(true);
+    expect(action.setAutoApproval).not.toHaveBeenCalled();
+    expect(action.setAutoRejection).not.toHaveBeenCalled();
+  });
+});
diff --git a/test/processors/blockForAuth.test.js b/test/processors/blockForAuth.test.js
deleted file mode 100644
index 18f4262e9..000000000
--- a/test/processors/blockForAuth.test.js
+++ /dev/null
@@ -1,135 +0,0 @@
-const fc = require('fast-check');
-const chai = require('chai');
-const sinon = require('sinon');
-const proxyquire = require('proxyquire').noCallThru();
-const { Step } = require('../../src/proxy/actions');
-
-chai.should();
-const expect = chai.expect;
-
-describe('blockForAuth', () => {
-  let action;
-  let exec;
-  let getServiceUIURLStub;
-  let req;
-  let stepInstance;
-  let StepSpy;
-
-  beforeEach(() => {
-    req = {
-      protocol: 'https',
-      headers: { host: 'example.com' },
-    };
-
-    action = {
-      id: 'push_123',
-      addStep: sinon.stub(),
-    };
-
-    stepInstance = new Step('temp');
-    sinon.stub(stepInstance, 'setAsyncBlock');
-
-    StepSpy = sinon.stub().returns(stepInstance);
-
-    getServiceUIURLStub = sinon.stub().returns('http://localhost:8080');
-
-    const blockForAuth = proxyquire('../../src/proxy/processors/push-action/blockForAuth', {
-      '../../../service/urls': { getServiceUIURL: getServiceUIURLStub },
-      '../../actions': { Step: StepSpy },
-    });
-
-    exec = blockForAuth.exec;
-  });
-
-  afterEach(() => {
-    sinon.restore();
-  });
-
-  describe('exec', () => {
-    it('should generate a correct shareable URL', async () => {
-      await exec(req, action);
-      expect(getServiceUIURLStub.calledOnce).to.be.true;
-      expect(getServiceUIURLStub.calledWithExactly(req)).to.be.true;
-    });
-
-    it('should create step with correct parameters', async () => {
-      await exec(req, action);
-
-      expect(StepSpy.calledOnce).to.be.true;
-      expect(StepSpy.calledWithExactly('authBlock')).to.be.true;
-      expect(stepInstance.setAsyncBlock.calledOnce).to.be.true;
-
-      const message = stepInstance.setAsyncBlock.firstCall.args[0];
-      expect(message).to.include('http://localhost:8080/dashboard/push/push_123');
-      expect(message).to.include('\x1B[32mGitProxy has received your push ✅\x1B[0m');
-      expect(message).to.include('\x1B[34mhttp://localhost:8080/dashboard/push/push_123\x1B[0m');
-      expect(message).to.include('🔗 Shareable Link');
-    });
-
-    it('should add step to action exactly once', async () => {
-      await exec(req, action);
-      expect(action.addStep.calledOnce).to.be.true;
-      expect(action.addStep.calledWithExactly(stepInstance)).to.be.true;
-    });
-
-    it('should return action instance', async () => {
-      const result = await exec(req, action);
-      expect(result).to.equal(action);
-    });
-
-    it('should handle https URL format', async () => {
-      getServiceUIURLStub.returns('https://git-proxy-hosted-ui.com');
-      await exec(req, action);
-
-      const message = stepInstance.setAsyncBlock.firstCall.args[0];
-      expect(message).to.include('https://git-proxy-hosted-ui.com/dashboard/push/push_123');
-    });
-
-    it('should handle special characters in action ID', async () => {
-      action.id = 'push@special#chars!';
-      await exec(req, action);
-
-      const message = stepInstance.setAsyncBlock.firstCall.args[0];
-      expect(message).to.include('/push/push@special#chars!');
-    });
-  });
-
-  describe('fuzzing', () => {
-    it('should create a step with correct parameters regardless of action ID', () => {
-      fc.assert(
-        fc.asyncProperty(fc.string(), async (actionId) => {
-          action.id = actionId;
-
-          const freshStepInstance = new Step('temp');
-          const setAsyncBlockStub = sinon.stub(freshStepInstance, 'setAsyncBlock');
-
-          const StepSpyLocal = sinon.stub().returns(freshStepInstance);
-          const getServiceUIURLStubLocal = sinon.stub().returns('http://localhost:8080');
-
-          const blockForAuth = proxyquire('../../src/proxy/processors/push-action/blockForAuth', {
-            '../../../service/urls': { getServiceUIURL: getServiceUIURLStubLocal },
-            '../../actions': { Step: StepSpyLocal },
-          });
-
-          const result = await blockForAuth.exec(req, action);
-
-          expect(StepSpyLocal.calledOnce).to.be.true;
-          expect(StepSpyLocal.calledWithExactly('authBlock')).to.be.true;
-          expect(setAsyncBlockStub.calledOnce).to.be.true;
-
-          const message = setAsyncBlockStub.firstCall.args[0];
-          expect(message).to.include(`http://localhost:8080/dashboard/push/${actionId}`);
-          expect(message).to.include('\x1B[32mGitProxy has received your push ✅\x1B[0m');
-          expect(message).to.include(
-            `\x1B[34mhttp://localhost:8080/dashboard/push/${actionId}\x1B[0m`,
-          );
-          expect(message).to.include('🔗 Shareable Link');
-          expect(result).to.equal(action);
-        }),
-        {
-          numRuns: 1000,
-        },
-      );
-    });
-  });
-});
diff --git a/test/processors/blockForAuth.test.ts b/test/processors/blockForAuth.test.ts
new file mode 100644
index 000000000..dc97d0059
--- /dev/null
+++ b/test/processors/blockForAuth.test.ts
@@ -0,0 +1,71 @@
+import { describe, it, expect, vi, beforeEach, afterEach } from 'vitest';
+import fc from 'fast-check';
+
+import { exec } from '../../src/proxy/processors/push-action/blockForAuth';
+import { Step, Action } from '../../src/proxy/actions';
+import * as urls from '../../src/service/urls';
+
+describe('blockForAuth.exec', () => {
+  let mockAction: Action;
+  let mockReq: any;
+
+  beforeEach(() => {
+    // create a fake Action with spies
+    mockAction = {
+      id: 'action-123',
+      addStep: vi.fn(),
+    } as unknown as Action;
+
+    mockReq = { some: 'req' };
+
+    // mock getServiceUIURL
+    vi.spyOn(urls, 'getServiceUIURL').mockReturnValue('http://mocked-service-ui');
+  });
+
+  afterEach(() => {
+    vi.restoreAllMocks();
+  });
+
+  it('should create a Step and add it to the action', async () => {
+    const result = await exec(mockReq, mockAction);
+
+    expect(urls.getServiceUIURL).toHaveBeenCalledWith(mockReq);
+    expect(mockAction.addStep).toHaveBeenCalledTimes(1);
+
+    const stepArg = (mockAction.addStep as any).mock.calls[0][0];
+    expect(stepArg).toBeInstanceOf(Step);
+    expect(stepArg.stepName).toBe('authBlock');
+
+    expect(result).toBe(mockAction);
+  });
+
+  it('should set the async block message with the correct format', async () => {
+    await exec(mockReq, mockAction);
+
+    const stepArg = (mockAction.addStep as any).mock.calls[0][0];
+    const blockMessage = (stepArg as Step).blockedMessage;
+
+    expect(blockMessage).toContain('GitProxy has received your push ✅');
+    expect(blockMessage).toContain('🔗 Shareable Link');
+    expect(blockMessage).toContain('http://mocked-service-ui/dashboard/push/action-123');
+
+    // check color codes are included
+    expect(blockMessage).includes('\x1B[32m');
+    expect(blockMessage).includes('\x1B[34m');
+  });
+
+  it('should set exec.displayName properly', () => {
+    expect(exec.displayName).toBe('blockForAuth.exec');
+  });
+
+  describe('fuzzing', () => {
+    it('should not crash on random req', () => {
+      fc.assert(
+        fc.property(fc.anything(), (req) => {
+          exec(req, mockAction);
+        }),
+        { numRuns: 1000 },
+      );
+    });
+  });
+});
diff --git a/test/processors/checkAuthorEmails.test.js b/test/processors/checkAuthorEmails.test.js
deleted file mode 100644
index d96cc38b1..000000000
--- a/test/processors/checkAuthorEmails.test.js
+++ /dev/null
@@ -1,231 +0,0 @@
-const sinon = require('sinon');
-const proxyquire = require('proxyquire').noCallThru();
-const { expect } = require('chai');
-const fc = require('fast-check');
-
-describe('checkAuthorEmails', () => {
-  let action;
-  let commitConfig;
-  let exec;
-  let getCommitConfigStub;
-  let stepSpy;
-  let StepStub;
-
-  beforeEach(() => {
-    StepStub = class {
-      constructor() {
-        this.error = undefined;
-      }
-      log() {}
-      setError() {}
-    };
-    stepSpy = sinon.spy(StepStub.prototype, 'log');
-    sinon.spy(StepStub.prototype, 'setError');
-
-    commitConfig = {
-      author: {
-        email: {
-          domain: { allow: null },
-          local: { block: null },
-        },
-      },
-    };
-    getCommitConfigStub = sinon.stub().returns(commitConfig);
-
-    action = {
-      commitData: [],
-      addStep: sinon.stub().callsFake((step) => {
-        action.step = new StepStub();
-        Object.assign(action.step, step);
-        return action.step;
-      }),
-    };
-
-    const checkAuthorEmails = proxyquire(
-      '../../src/proxy/processors/push-action/checkAuthorEmails',
-      {
-        '../../../config': { getCommitConfig: getCommitConfigStub },
-        '../../actions': { Step: StepStub },
-      },
-    );
-
-    exec = checkAuthorEmails.exec;
-  });
-
-  afterEach(() => {
-    sinon.restore();
-  });
-
-  describe('exec', () => {
-    it('should allow valid emails when no restrictions', async () => {
-      action.commitData = [
-        { authorEmail: 'valid@example.com' },
-        { authorEmail: 'another.valid@test.org' },
-      ];
-
-      await exec({}, action);
-
-      expect(action.step.error).to.be.undefined;
-    });
-
-    it('should block emails from forbidden domains', async () => {
-      commitConfig.author.email.domain.allow = 'example\\.com$';
-      action.commitData = [
-        { authorEmail: 'valid@example.com' },
-        { authorEmail: 'invalid@forbidden.org' },
-      ];
-
-      await exec({}, action);
-
-      expect(action.step.error).to.be.true;
-      expect(
-        stepSpy.calledWith(
-          'The following commit author e-mails are illegal: invalid@forbidden.org',
-        ),
-      ).to.be.true;
-      expect(
-        StepStub.prototype.setError.calledWith(
-          'Your push has been blocked. Please verify your Git configured e-mail address is valid (e.g. john.smith@example.com)',
-        ),
-      ).to.be.true;
-    });
-
-    it('should block emails with forbidden usernames', async () => {
-      commitConfig.author.email.local.block = 'blocked';
-      action.commitData = [
-        { authorEmail: 'allowed@example.com' },
-        { authorEmail: 'blocked.user@test.org' },
-      ];
-
-      await exec({}, action);
-
-      expect(action.step.error).to.be.true;
-      expect(
-        stepSpy.calledWith(
-          'The following commit author e-mails are illegal: blocked.user@test.org',
-        ),
-      ).to.be.true;
-    });
-
-    it('should handle empty email strings', async () => {
-      action.commitData = [{ authorEmail: '' }, { authorEmail: 'valid@example.com' }];
-
-      await exec({}, action);
-
-      expect(action.step.error).to.be.true;
-      expect(stepSpy.calledWith('The following commit author e-mails are illegal: ')).to.be.true;
-    });
-
-    it('should allow emails when both checks pass', async () => {
-      commitConfig.author.email.domain.allow = 'example\\.com$';
-      commitConfig.author.email.local.block = 'forbidden';
-      action.commitData = [
-        { authorEmail: 'allowed@example.com' },
-        { authorEmail: 'also.allowed@example.com' },
-      ];
-
-      await exec({}, action);
-
-      expect(action.step.error).to.be.undefined;
-    });
-
-    it('should block emails that fail both checks', async () => {
-      commitConfig.author.email.domain.allow = 'example\\.com$';
-      commitConfig.author.email.local.block = 'forbidden';
-      action.commitData = [{ authorEmail: 'forbidden@wrong.org' }];
-
-      await exec({}, action);
-
-      expect(action.step.error).to.be.true;
-      expect(
-        stepSpy.calledWith('The following commit author e-mails are illegal: forbidden@wrong.org'),
-      ).to.be.true;
-    });
-
-    it('should handle emails without domain', async () => {
-      action.commitData = [{ authorEmail: 'nodomain@' }];
-
-      await exec({}, action);
-
-      expect(action.step.error).to.be.true;
-      expect(stepSpy.calledWith('The following commit author e-mails are illegal: nodomain@')).to.be
-        .true;
-    });
-
-    it('should handle multiple illegal emails', async () => {
-      commitConfig.author.email.domain.allow = 'example\\.com$';
-      action.commitData = [
-        { authorEmail: 'invalid1@bad.org' },
-        { authorEmail: 'invalid2@wrong.net' },
-        { authorEmail: 'valid@example.com' },
-      ];
-
-      await exec({}, action);
-
-      expect(action.step.error).to.be.true;
-      expect(
-        stepSpy.calledWith(
-          'The following commit author e-mails are illegal: invalid1@bad.org,invalid2@wrong.net',
-        ),
-      ).to.be.true;
-    });
-  });
-
-  describe('fuzzing', () => {
-    it('should not crash on random string in commit email', () => {
-      fc.assert(
-        fc.property(fc.string(), (commitEmail) => {
-          action.commitData = [{ authorEmail: commitEmail }];
-          exec({}, action);
-        }),
-        {
-          numRuns: 1000,
-        },
-      );
-
-      expect(action.step.error).to.be.true;
-      expect(stepSpy.calledWith('The following commit author e-mails are illegal: ')).to.be.true;
-    });
-
-    it('should handle valid emails with random characters', () => {
-      fc.assert(
-        fc.property(fc.emailAddress(), (commitEmail) => {
-          action.commitData = [{ authorEmail: commitEmail }];
-          exec({}, action);
-        }),
-        {
-          numRuns: 1000,
-        },
-      );
-      expect(action.step.error).to.be.undefined;
-    });
-
-    it('should handle invalid types in commit email', () => {
-      fc.assert(
-        fc.property(fc.anything(), (commitEmail) => {
-          action.commitData = [{ authorEmail: commitEmail }];
-          exec({}, action);
-        }),
-        {
-          numRuns: 1000,
-        },
-      );
-
-      expect(action.step.error).to.be.true;
-      expect(stepSpy.calledWith('The following commit author e-mails are illegal: ')).to.be.true;
-    });
-
-    it('should handle arrays of valid emails', () => {
-      fc.assert(
-        fc.property(fc.array(fc.emailAddress()), (commitEmails) => {
-          action.commitData = commitEmails.map((email) => ({ authorEmail: email }));
-          exec({}, action);
-        }),
-        {
-          numRuns: 1000,
-        },
-      );
-      expect(action.step.error).to.be.undefined;
-    });
-  });
-});
diff --git a/test/processors/checkAuthorEmails.test.ts b/test/processors/checkAuthorEmails.test.ts
new file mode 100644
index 000000000..3319468d1
--- /dev/null
+++ b/test/processors/checkAuthorEmails.test.ts
@@ -0,0 +1,540 @@
+import { describe, it, expect, vi, beforeEach, afterEach } from 'vitest';
+import { exec } from '../../src/proxy/processors/push-action/checkAuthorEmails';
+import { Action } from '../../src/proxy/actions';
+import * as configModule from '../../src/config';
+import * as validator from 'validator';
+import { Commit } from '../../src/proxy/actions/Action';
+
+// mock dependencies
+vi.mock('../../src/config', async (importOriginal) => {
+  const actual: any = await importOriginal();
+  return {
+    ...actual,
+    getCommitConfig: vi.fn(() => ({})),
+  };
+});
+vi.mock('validator', async (importOriginal) => {
+  const actual: any = await importOriginal();
+  return {
+    ...actual,
+    isEmail: vi.fn(),
+  };
+});
+
+describe('checkAuthorEmails', () => {
+  let mockAction: Action;
+  let mockReq: any;
+  let consoleLogSpy: any;
+
+  beforeEach(async () => {
+    // setup default mocks
+    vi.mocked(validator.isEmail).mockImplementation((email: string) => {
+      // email validation mock
+      return /^[^\s@]+@[^\s@]+\.[^\s@]+$/.test(email);
+    });
+
+    vi.mocked(configModule.getCommitConfig).mockReturnValue({
+      author: {
+        email: {
+          domain: {
+            allow: '',
+          },
+          local: {
+            block: '',
+          },
+        },
+      },
+    });
+
+    // mock console.log to suppress output and verify calls
+    consoleLogSpy = vi.spyOn(console, 'log').mockImplementation(() => {});
+
+    // setup mock action
+    mockAction = {
+      commitData: [],
+      addStep: vi.fn(),
+    } as unknown as Action;
+
+    mockReq = {};
+  });
+
+  afterEach(() => {
+    vi.clearAllMocks();
+  });
+
+  describe('isEmailAllowed logic (via exec)', () => {
+    describe('basic email validation', () => {
+      it('should allow valid email addresses', async () => {
+        mockAction.commitData = [
+          { authorEmail: 'john.doe@example.com' } as Commit,
+          { authorEmail: 'jane.smith@company.org' } as Commit,
+        ];
+
+        const result = await exec(mockReq, mockAction);
+
+        expect(result.addStep).toHaveBeenCalledTimes(1);
+        const step = vi.mocked(result.addStep).mock.calls[0][0];
+        expect(step.error).toBe(false);
+      });
+
+      it('should reject empty email', async () => {
+        mockAction.commitData = [{ authorEmail: '' } as Commit];
+
+        const result = await exec(mockReq, mockAction);
+
+        const step = vi.mocked(result.addStep).mock.calls[0][0];
+        expect(step.error).toBe(true);
+      });
+
+      it('should reject null/undefined email', async () => {
+        vi.mocked(validator.isEmail).mockReturnValue(false);
+        mockAction.commitData = [{ authorEmail: null as any } as Commit];
+
+        const result = await exec(mockReq, mockAction);
+
+        const step = vi.mocked(result.addStep).mock.calls[0][0];
+        expect(step.error).toBe(true);
+      });
+
+      it('should reject invalid email format', async () => {
+        vi.mocked(validator.isEmail).mockReturnValue(false);
+        mockAction.commitData = [
+          { authorEmail: 'not-an-email' } as Commit,
+          { authorEmail: 'missing@domain' } as Commit,
+          { authorEmail: '@nodomain.com' } as Commit,
+        ];
+
+        const result = await exec(mockReq, mockAction);
+
+        const step = vi.mocked(result.addStep).mock.calls[0][0];
+        expect(step.error).toBe(true);
+      });
+    });
+
+    describe('domain allow list', () => {
+      it('should allow emails from permitted domains', async () => {
+        vi.mocked(configModule.getCommitConfig).mockReturnValue({
+          author: {
+            email: {
+              domain: {
+                allow: '^(example\\.com|company\\.org)$',
+              },
+              local: {
+                block: '',
+              },
+            },
+          },
+        } as any);
+
+        mockAction.commitData = [
+          { authorEmail: 'user@example.com' } as Commit,
+          { authorEmail: 'admin@company.org' } as Commit,
+        ];
+
+        const result = await exec(mockReq, mockAction);
+
+        const step = vi.mocked(result.addStep).mock.calls[0][0];
+        expect(step.error).toBe(false);
+      });
+
+      it('should reject emails from non-permitted domains when allow list is set', async () => {
+        vi.mocked(configModule.getCommitConfig).mockReturnValue({
+          author: {
+            email: {
+              domain: {
+                allow: '^example\\.com$',
+              },
+              local: {
+                block: '',
+              },
+            },
+          },
+        } as any);
+
+        mockAction.commitData = [
+          { authorEmail: 'user@notallowed.com' } as Commit,
+          { authorEmail: 'admin@different.org' } as Commit,
+        ];
+
+        const result = await exec(mockReq, mockAction);
+
+        const step = vi.mocked(result.addStep).mock.calls[0][0];
+        expect(step.error).toBe(true);
+      });
+
+      it('should handle partial domain matches correctly', async () => {
+        vi.mocked(configModule.getCommitConfig).mockReturnValue({
+          author: {
+            email: {
+              domain: {
+                allow: 'example\\.com',
+              },
+              local: {
+                block: '',
+              },
+            },
+          },
+        } as any);
+
+        mockAction.commitData = [
+          { authorEmail: 'user@subdomain.example.com' } as Commit,
+          { authorEmail: 'user@example.com.fake.org' } as Commit,
+        ];
+
+        const result = await exec(mockReq, mockAction);
+
+        // both should match because regex pattern 'example.com' appears in both
+        const step = vi.mocked(result.addStep).mock.calls[0][0];
+        expect(step.error).toBe(false);
+      });
+
+      it('should allow all domains when allow list is empty', async () => {
+        vi.mocked(configModule.getCommitConfig).mockReturnValue({
+          author: {
+            email: {
+              domain: {
+                allow: '',
+              },
+              local: {
+                block: '',
+              },
+            },
+          },
+        } as any);
+
+        mockAction.commitData = [
+          { authorEmail: 'user@anydomain.com' } as Commit,
+          { authorEmail: 'admin@otherdomain.org' } as Commit,
+        ];
+
+        const result = await exec(mockReq, mockAction);
+
+        const step = vi.mocked(result.addStep).mock.calls[0][0];
+        expect(step.error).toBe(false);
+      });
+    });
+
+    describe('local part block list', () => {
+      it('should reject emails with blocked local parts', async () => {
+        vi.mocked(configModule.getCommitConfig).mockReturnValue({
+          author: {
+            email: {
+              domain: {
+                allow: '',
+              },
+              local: {
+                block: '^(noreply|donotreply|bounce)$',
+              },
+            },
+          },
+        } as any);
+
+        mockAction.commitData = [
+          { authorEmail: 'noreply@example.com' } as Commit,
+          { authorEmail: 'donotreply@company.org' } as Commit,
+        ];
+
+        const result = await exec(mockReq, mockAction);
+
+        const step = vi.mocked(result.addStep).mock.calls[0][0];
+        expect(step.error).toBe(true);
+      });
+
+      it('should allow emails with non-blocked local parts', async () => {
+        vi.mocked(configModule.getCommitConfig).mockReturnValue({
+          author: {
+            email: {
+              domain: {
+                allow: '',
+              },
+              local: {
+                block: '^noreply$',
+              },
+            },
+          },
+        } as any);
+
+        mockAction.commitData = [
+          { authorEmail: 'john.doe@example.com' } as Commit,
+          { authorEmail: 'valid.user@company.org' } as Commit,
+        ];
+
+        const result = await exec(mockReq, mockAction);
+
+        const step = vi.mocked(result.addStep).mock.calls[0][0];
+        expect(step.error).toBe(false);
+      });
+
+      it('should handle regex patterns in local block correctly', async () => {
+        vi.mocked(configModule.getCommitConfig).mockReturnValue({
+          author: {
+            email: {
+              domain: {
+                allow: '',
+              },
+              local: {
+                block: '^(test|temp|fake)',
+              },
+            },
+          },
+        } as any);
+
+        mockAction.commitData = [
+          { authorEmail: 'test@example.com' } as Commit,
+          { authorEmail: 'temporary@example.com' } as Commit,
+          { authorEmail: 'fakeuser@example.com' } as Commit,
+        ];
+
+        const result = await exec(mockReq, mockAction);
+
+        const step = vi.mocked(result.addStep).mock.calls[0][0];
+        expect(step.error).toBe(true);
+      });
+
+      it('should allow all local parts when block list is empty', async () => {
+        vi.mocked(configModule.getCommitConfig).mockReturnValue({
+          author: {
+            email: {
+              domain: {
+                allow: '',
+              },
+              local: {
+                block: '',
+              },
+            },
+          },
+        } as any);
+
+        mockAction.commitData = [
+          { authorEmail: 'noreply@example.com' } as Commit,
+          { authorEmail: 'anything@example.com' } as Commit,
+        ];
+
+        const result = await exec(mockReq, mockAction);
+
+        const step = vi.mocked(result.addStep).mock.calls[0][0];
+        expect(step.error).toBe(false);
+      });
+    });
+
+    describe('combined domain and local rules', () => {
+      it('should enforce both domain allow and local block rules', async () => {
+        vi.mocked(configModule.getCommitConfig).mockReturnValue({
+          author: {
+            email: {
+              domain: {
+                allow: '^example\\.com$',
+              },
+              local: {
+                block: '^noreply$',
+              },
+            },
+          },
+        } as any);
+
+        mockAction.commitData = [
+          { authorEmail: 'valid@example.com' } as Commit, // valid
+          { authorEmail: 'noreply@example.com' } as Commit, // invalid: blocked local
+          { authorEmail: 'valid@otherdomain.com' } as Commit, // invalid: wrong domain
+        ];
+
+        const result = await exec(mockReq, mockAction);
+
+        const step = vi.mocked(result.addStep).mock.calls[0][0];
+        expect(step.error).toBe(true);
+      });
+    });
+  });
+
+  describe('exec function behavior', () => {
+    it('should create a step with name "checkAuthorEmails"', async () => {
+      mockAction.commitData = [{ authorEmail: 'user@example.com' } as Commit];
+
+      await exec(mockReq, mockAction);
+
+      expect(mockAction.addStep).toHaveBeenCalledWith(
+        expect.objectContaining({
+          stepName: 'checkAuthorEmails',
+        }),
+      );
+    });
+
+    it('should handle unique author emails correctly', async () => {
+      mockAction.commitData = [
+        { authorEmail: 'user1@example.com' } as Commit,
+        { authorEmail: 'user2@example.com' } as Commit,
+        { authorEmail: 'user1@example.com' } as Commit, // Duplicate
+        { authorEmail: 'user3@example.com' } as Commit,
+        { authorEmail: 'user2@example.com' } as Commit, // Duplicate
+      ];
+
+      await exec(mockReq, mockAction);
+
+      expect(consoleLogSpy).toHaveBeenCalledWith(
+        'The following commit author e-mails are legal: user1@example.com,user2@example.com,user3@example.com',
+      );
+    });
+
+    it('should handle empty commitData', async () => {
+      mockAction.commitData = [];
+
+      const result = await exec(mockReq, mockAction);
+
+      const step = vi.mocked(result.addStep).mock.calls[0][0];
+      expect(step.error).toBe(false);
+    });
+
+    it('should handle undefined commitData', async () => {
+      mockAction.commitData = undefined;
+
+      const result = await exec(mockReq, mockAction);
+
+      const step = vi.mocked(result.addStep).mock.calls[0][0];
+      expect(step.error).toBe(false);
+    });
+
+    it('should log error message when illegal emails found', async () => {
+      vi.mocked(validator.isEmail).mockReturnValue(false);
+      mockAction.commitData = [{ authorEmail: 'invalid-email' } as Commit];
+
+      await exec(mockReq, mockAction);
+    });
+
+    it('should log success message when all emails are legal', async () => {
+      mockAction.commitData = [
+        { authorEmail: 'user1@example.com' } as Commit,
+        { authorEmail: 'user2@example.com' } as Commit,
+      ];
+
+      await exec(mockReq, mockAction);
+
+      expect(consoleLogSpy).toHaveBeenCalledWith(
+        'The following commit author e-mails are legal: user1@example.com,user2@example.com',
+      );
+    });
+
+    it('should set error on step when illegal emails found', async () => {
+      vi.mocked(validator.isEmail).mockReturnValue(false);
+      mockAction.commitData = [{ authorEmail: 'bad@email' } as Commit];
+
+      await exec(mockReq, mockAction);
+
+      const step = vi.mocked(mockAction.addStep).mock.calls[0][0];
+      expect(step.error).toBe(true);
+    });
+
+    it('should call step.setError with user-friendly message', async () => {
+      vi.mocked(validator.isEmail).mockReturnValue(false);
+      mockAction.commitData = [{ authorEmail: 'bad' } as Commit];
+
+      await exec(mockReq, mockAction);
+
+      const step = vi.mocked(mockAction.addStep).mock.calls[0][0];
+      expect(step.error).toBe(true);
+      expect(step.errorMessage).toBe(
+        'Your push has been blocked. Please verify your Git configured e-mail address is valid (e.g. john.smith@example.com)',
+      );
+    });
+
+    it('should return the action object', async () => {
+      mockAction.commitData = [{ authorEmail: 'user@example.com' } as Commit];
+
+      const result = await exec(mockReq, mockAction);
+
+      expect(result).toBe(mockAction);
+    });
+
+    it('should handle mixed valid and invalid emails', async () => {
+      mockAction.commitData = [
+        { authorEmail: 'valid@example.com' } as Commit,
+        { authorEmail: 'invalid' } as Commit,
+        { authorEmail: 'also.valid@example.com' } as Commit,
+      ];
+
+      vi.mocked(validator.isEmail).mockImplementation((email: string) => {
+        return email.includes('@') && email.includes('.');
+      });
+
+      const result = await exec(mockReq, mockAction);
+
+      const step = vi.mocked(result.addStep).mock.calls[0][0];
+      expect(step.error).toBe(true);
+    });
+  });
+
+  describe('displayName', () => {
+    it('should have correct displayName', () => {
+      expect(exec.displayName).toBe('checkAuthorEmails.exec');
+    });
+  });
+
+  describe('edge cases', () => {
+    it('should handle email with multiple @ symbols', async () => {
+      vi.mocked(validator.isEmail).mockReturnValue(false);
+      mockAction.commitData = [{ authorEmail: 'user@@example.com' } as Commit];
+
+      const result = await exec(mockReq, mockAction);
+
+      const step = vi.mocked(result.addStep).mock.calls[0][0];
+      expect(step.error).toBe(true);
+    });
+
+    it('should handle email without domain', async () => {
+      vi.mocked(validator.isEmail).mockReturnValue(false);
+      mockAction.commitData = [{ authorEmail: 'user@' } as Commit];
+
+      const result = await exec(mockReq, mockAction);
+
+      const step = vi.mocked(result.addStep).mock.calls[0][0];
+      expect(step.error).toBe(true);
+    });
+
+    it('should handle very long email addresses', async () => {
+      const longLocal = 'a'.repeat(64);
+      const longEmail = `${longLocal}@example.com`;
+      mockAction.commitData = [{ authorEmail: longEmail } as Commit];
+
+      const result = await exec(mockReq, mockAction);
+
+      expect(result.addStep).toHaveBeenCalled();
+    });
+
+    it('should handle special characters in local part', async () => {
+      mockAction.commitData = [
+        { authorEmail: 'user+tag@example.com' } as Commit,
+        { authorEmail: 'user.name@example.com' } as Commit,
+        { authorEmail: 'user_name@example.com' } as Commit,
+      ];
+
+      const result = await exec(mockReq, mockAction);
+
+      const step = vi.mocked(result.addStep).mock.calls[0][0];
+      expect(step.error).toBe(false);
+    });
+
+    it('should handle case sensitivity in domain checking', async () => {
+      vi.mocked(configModule.getCommitConfig).mockReturnValue({
+        author: {
+          email: {
+            domain: {
+              allow: '^example\\.com$',
+            },
+            local: {
+              block: '',
+            },
+          },
+        },
+      } as any);
+
+      mockAction.commitData = [
+        { authorEmail: 'user@EXAMPLE.COM' } as Commit,
+        { authorEmail: 'user@Example.Com' } as Commit,
+      ];
+
+      const result = await exec(mockReq, mockAction);
+
+      const step = vi.mocked(result.addStep).mock.calls[0][0];
+      expect(step.error).toBe(false);
+    });
+  });
+});
diff --git a/test/processors/checkCommitMessages.test.js b/test/processors/checkCommitMessages.test.js
deleted file mode 100644
index 73a10ca9d..000000000
--- a/test/processors/checkCommitMessages.test.js
+++ /dev/null
@@ -1,196 +0,0 @@
-const chai = require('chai');
-const sinon = require('sinon');
-const proxyquire = require('proxyquire');
-const { Action, Step } = require('../../src/proxy/actions');
-const fc = require('fast-check');
-
-chai.should();
-const expect = chai.expect;
-
-describe('checkCommitMessages', () => {
-  let commitConfig;
-  let exec;
-  let getCommitConfigStub;
-  let logStub;
-
-  beforeEach(() => {
-    logStub = sinon.stub(console, 'log');
-
-    commitConfig = {
-      message: {
-        block: {
-          literals: ['secret', 'password'],
-          patterns: ['\\b\\d{4}-\\d{4}-\\d{4}-\\d{4}\\b'], // Credit card pattern
-        },
-      },
-    };
-
-    getCommitConfigStub = sinon.stub().returns(commitConfig);
-
-    const checkCommitMessages = proxyquire(
-      '../../src/proxy/processors/push-action/checkCommitMessages',
-      {
-        '../../../config': { getCommitConfig: getCommitConfigStub },
-      },
-    );
-
-    exec = checkCommitMessages.exec;
-  });
-
-  afterEach(() => {
-    sinon.restore();
-  });
-
-  describe('exec', () => {
-    let action;
-    let req;
-    let stepSpy;
-
-    beforeEach(() => {
-      req = {};
-      action = new Action('1234567890', 'push', 'POST', 1234567890, 'test/repo.git');
-      action.commitData = [
-        { message: 'Fix bug', author: 'test@example.com' },
-        { message: 'Update docs', author: 'test@example.com' },
-      ];
-      stepSpy = sinon.spy(Step.prototype, 'log');
-    });
-
-    it('should allow commit with valid messages', async () => {
-      const result = await exec(req, action);
-
-      expect(result.steps).to.have.lengthOf(1);
-      expect(result.steps[0].error).to.be.false;
-      expect(logStub.calledWith('The following commit messages are legal: Fix bug,Update docs')).to
-        .be.true;
-    });
-
-    it('should block commit with illegal messages', async () => {
-      action.commitData?.push({ message: 'secret password here', author: 'test@example.com' });
-
-      const result = await exec(req, action);
-
-      expect(result.steps).to.have.lengthOf(1);
-      expect(result.steps[0].error).to.be.true;
-      expect(stepSpy.calledWith('The following commit messages are illegal: secret password here'))
-        .to.be.true;
-      expect(result.steps[0].errorMessage).to.include('Your push has been blocked');
-      expect(logStub.calledWith('The following commit messages are illegal: secret password here'))
-        .to.be.true;
-    });
-
-    it('should handle duplicate messages only once', async () => {
-      action.commitData = [
-        { message: 'secret', author: 'test@example.com' },
-        { message: 'secret', author: 'test@example.com' },
-        { message: 'password', author: 'test@example.com' },
-      ];
-
-      const result = await exec(req, action);
-
-      expect(result.steps[0].error).to.be.true;
-      expect(stepSpy.calledWith('The following commit messages are illegal: secret,password')).to.be
-        .true;
-      expect(logStub.calledWith('The following commit messages are illegal: secret,password')).to.be
-        .true;
-    });
-
-    it('should not error when commit data is empty', async () => {
-      // Empty commit data happens when making a branch from an unapproved commit
-      // or when pushing an empty branch or deleting a branch
-      // This is handled in the checkEmptyBranch.exec action
-      action.commitData = [];
-      const result = await exec(req, action);
-
-      expect(result.steps).to.have.lengthOf(1);
-      expect(result.steps[0].error).to.be.false;
-      expect(logStub.calledWith('The following commit messages are legal: ')).to.be.true;
-    });
-
-    it('should handle commit data with null values', async () => {
-      action.commitData = [
-        { message: null, author: 'test@example.com' },
-        { message: undefined, author: 'test@example.com' },
-      ];
-
-      const result = await exec(req, action);
-
-      expect(result.steps).to.have.lengthOf(1);
-      expect(result.steps[0].error).to.be.true;
-    });
-
-    it('should handle commit messages of incorrect type', async () => {
-      action.commitData = [
-        { message: 123, author: 'test@example.com' },
-        { message: {}, author: 'test@example.com' },
-      ];
-
-      const result = await exec(req, action);
-
-      expect(result.steps).to.have.lengthOf(1);
-      expect(result.steps[0].error).to.be.true;
-      expect(stepSpy.calledWith('The following commit messages are illegal: 123,[object Object]'))
-        .to.be.true;
-      expect(logStub.calledWith('The following commit messages are illegal: 123,[object Object]'))
-        .to.be.true;
-    });
-
-    it('should handle a mix of valid and invalid messages', async () => {
-      action.commitData = [
-        { message: 'Fix bug', author: 'test@example.com' },
-        { message: 'secret password here', author: 'test@example.com' },
-      ];
-
-      const result = await exec(req, action);
-
-      expect(result.steps).to.have.lengthOf(1);
-      expect(result.steps[0].error).to.be.true;
-      expect(stepSpy.calledWith('The following commit messages are illegal: secret password here'))
-        .to.be.true;
-      expect(logStub.calledWith('The following commit messages are illegal: secret password here'))
-        .to.be.true;
-    });
-
-    describe('fuzzing', () => {
-      it('should not crash on arbitrary commit messages', async () => {
-        await fc.assert(
-          fc.asyncProperty(
-            fc.array(
-              fc.record({
-                message: fc.oneof(
-                  fc.string(),
-                  fc.constant(null),
-                  fc.constant(undefined),
-                  fc.integer(),
-                  fc.double(),
-                  fc.boolean(),
-                ),
-                author: fc.string(),
-              }),
-              { maxLength: 20 },
-            ),
-            async (fuzzedCommits) => {
-              const fuzzAction = new Action('fuzz', 'push', 'POST', Date.now(), 'fuzz/repo');
-              fuzzAction.commitData = Array.isArray(fuzzedCommits) ? fuzzedCommits : [];
-
-              const result = await exec({}, fuzzAction);
-
-              expect(result).to.have.property('steps');
-              expect(result.steps[0]).to.have.property('error').that.is.a('boolean');
-            },
-          ),
-          {
-            examples: [
-              [{ message: '', author: 'me' }],
-              [{ message: '1234-5678-9012-3456', author: 'me' }],
-              [{ message: null, author: 'me' }],
-              [{ message: {}, author: 'me' }],
-              [{ message: 'SeCrEt', author: 'me' }],
-            ],
-            numRuns: 1000,
-          },
-        );
-      });
-    });
-  });
-});
diff --git a/test/processors/checkCommitMessages.test.ts b/test/processors/checkCommitMessages.test.ts
new file mode 100644
index 000000000..0a85b5691
--- /dev/null
+++ b/test/processors/checkCommitMessages.test.ts
@@ -0,0 +1,506 @@
+import { describe, it, expect, vi, beforeEach, afterEach } from 'vitest';
+import { exec } from '../../src/proxy/processors/push-action/checkCommitMessages';
+import { Action } from '../../src/proxy/actions';
+import * as configModule from '../../src/config';
+import { Commit } from '../../src/proxy/actions/Action';
+
+vi.mock('../../src/config', async (importOriginal) => {
+  const actual: any = await importOriginal();
+  return {
+    ...actual,
+    getCommitConfig: vi.fn(() => ({})),
+  };
+});
+
+describe('checkCommitMessages', () => {
+  let consoleLogSpy: ReturnType<typeof vi.spyOn>;
+  let mockCommitConfig: any;
+
+  beforeEach(() => {
+    // spy on console.log to verify calls
+    consoleLogSpy = vi.spyOn(console, 'log').mockImplementation(() => {});
+
+    // default mock config
+    mockCommitConfig = {
+      message: {
+        block: {
+          literals: ['password', 'secret', 'token'],
+          patterns: ['http://.*', 'https://.*'],
+        },
+      },
+    };
+
+    vi.mocked(configModule.getCommitConfig).mockReturnValue(mockCommitConfig);
+  });
+
+  afterEach(() => {
+    vi.clearAllMocks();
+  });
+
+  describe('isMessageAllowed', () => {
+    describe('Empty or invalid messages', () => {
+      it('should block empty string commit messages', async () => {
+        const action = new Action('test', 'test', 'test', 1, 'test');
+        action.commitData = [{ message: '' } as Commit];
+
+        const result = await exec({}, action);
+
+        expect(result.steps[0].error).toBe(true);
+        expect(consoleLogSpy).toHaveBeenCalledWith('No commit message included...');
+      });
+
+      it('should block null commit messages', async () => {
+        const action = new Action('test', 'test', 'test', 1, 'test');
+        action.commitData = [{ message: null as any } as Commit];
+
+        const result = await exec({}, action);
+
+        expect(result.steps[0].error).toBe(true);
+      });
+
+      it('should block undefined commit messages', async () => {
+        const action = new Action('test', 'test', 'test', 1, 'test');
+        action.commitData = [{ message: undefined as any } as Commit];
+
+        const result = await exec({}, action);
+
+        expect(result.steps[0].error).toBe(true);
+      });
+
+      it('should block non-string commit messages', async () => {
+        const action = new Action('test', 'test', 'test', 1, 'test');
+        action.commitData = [{ message: 123 as any } as Commit];
+
+        const result = await exec({}, action);
+
+        expect(result.steps[0].error).toBe(true);
+        expect(consoleLogSpy).toHaveBeenCalledWith(
+          'A non-string value has been captured for the commit message...',
+        );
+      });
+
+      it('should block object commit messages', async () => {
+        const action = new Action('test', 'test', 'test', 1, 'test');
+        action.commitData = [{ message: { text: 'fix: bug' } as any } as Commit];
+
+        const result = await exec({}, action);
+
+        expect(result.steps[0].error).toBe(true);
+      });
+
+      it('should block array commit messages', async () => {
+        const action = new Action('test', 'test', 'test', 1, 'test');
+        action.commitData = [{ message: ['fix: bug'] as any } as Commit];
+
+        const result = await exec({}, action);
+
+        expect(result.steps[0].error).toBe(true);
+      });
+    });
+
+    describe('Blocked literals', () => {
+      it('should block messages containing blocked literals (exact case)', async () => {
+        const action = new Action('test', 'test', 'test', 1, 'test');
+        action.commitData = [{ message: 'Add password to config' } as Commit];
+
+        const result = await exec({}, action);
+
+        expect(result.steps[0].error).toBe(true);
+        expect(consoleLogSpy).toHaveBeenCalledWith(
+          'Commit message is blocked via configured literals/patterns...',
+        );
+      });
+
+      it('should block messages containing blocked literals (case insensitive)', async () => {
+        const action = new Action('test', 'test', 'test', 1, 'test');
+        action.commitData = [
+          { message: 'Add PASSWORD to config' } as Commit,
+          { message: 'Store Secret key' } as Commit,
+          { message: 'Update TOKEN value' } as Commit,
+        ];
+
+        const result = await exec({}, action);
+
+        expect(result.steps[0].error).toBe(true);
+      });
+
+      it('should block messages with literals in the middle of words', async () => {
+        const action = new Action('test', 'test', 'test', 1, 'test');
+        action.commitData = [{ message: 'Update mypassword123' } as Commit];
+
+        const result = await exec({}, action);
+
+        expect(result.steps[0].error).toBe(true);
+      });
+
+      it('should block when multiple literals are present', async () => {
+        const action = new Action('test', 'test', 'test', 1, 'test');
+        action.commitData = [{ message: 'Add password and secret token' } as Commit];
+
+        const result = await exec({}, action);
+
+        expect(result.steps[0].error).toBe(true);
+      });
+    });
+
+    describe('Blocked patterns', () => {
+      it('should block messages containing http URLs', async () => {
+        const action = new Action('test', 'test', 'test', 1, 'test');
+        action.commitData = [{ message: 'See http://example.com for details' } as Commit];
+
+        const result = await exec({}, action);
+
+        expect(result.steps[0].error).toBe(true);
+      });
+
+      it('should block messages containing https URLs', async () => {
+        const action = new Action('test', 'test', 'test', 1, 'test');
+        action.commitData = [{ message: 'Update docs at https://docs.example.com' } as Commit];
+
+        const result = await exec({}, action);
+
+        expect(result.steps[0].error).toBe(true);
+      });
+
+      it('should block messages with multiple URLs', async () => {
+        const action = new Action('test', 'test', 'test', 1, 'test');
+        action.commitData = [{ message: 'See http://example.com and https://other.com' } as Commit];
+
+        const result = await exec({}, action);
+
+        expect(result.steps[0].error).toBe(true);
+      });
+
+      it('should handle custom regex patterns', async () => {
+        mockCommitConfig.message.block.patterns = ['\\d{3}-\\d{2}-\\d{4}'];
+        vi.mocked(configModule.getCommitConfig).mockReturnValue(mockCommitConfig);
+
+        const action = new Action('test', 'test', 'test', 1, 'test');
+        action.commitData = [{ message: 'SSN: 123-45-6789' } as Commit];
+
+        const result = await exec({}, action);
+
+        expect(result.steps[0].error).toBe(true);
+      });
+
+      it('should match patterns case-insensitively', async () => {
+        mockCommitConfig.message.block.patterns = ['PRIVATE'];
+        vi.mocked(configModule.getCommitConfig).mockReturnValue(mockCommitConfig);
+
+        const action = new Action('test', 'test', 'test', 1, 'test');
+        action.commitData = [{ message: 'This is private information' } as Commit];
+
+        const result = await exec({}, action);
+
+        expect(result.steps[0].error).toBe(true);
+      });
+    });
+
+    describe('Combined blocking (literals and patterns)', () => {
+      it('should block when both literals and patterns match', async () => {
+        const action = new Action('test', 'test', 'test', 1, 'test');
+        action.commitData = [{ message: 'password at http://example.com' } as Commit];
+
+        const result = await exec({}, action);
+
+        expect(result.steps[0].error).toBe(true);
+      });
+
+      it('should block when only literals match', async () => {
+        mockCommitConfig.message.block.patterns = [];
+        vi.mocked(configModule.getCommitConfig).mockReturnValue(mockCommitConfig);
+
+        const action = new Action('test', 'test', 'test', 1, 'test');
+        action.commitData = [{ message: 'Add secret key' } as Commit];
+
+        const result = await exec({}, action);
+
+        expect(result.steps[0].error).toBe(true);
+      });
+
+      it('should block when only patterns match', async () => {
+        mockCommitConfig.message.block.literals = [];
+        vi.mocked(configModule.getCommitConfig).mockReturnValue(mockCommitConfig);
+
+        const action = new Action('test', 'test', 'test', 1, 'test');
+        action.commitData = [{ message: 'Visit http://example.com' } as Commit];
+
+        const result = await exec({}, action);
+
+        expect(result.steps[0].error).toBe(true);
+      });
+    });
+
+    describe('Allowed messages', () => {
+      it('should allow valid commit messages', async () => {
+        const action = new Action('test', 'test', 'test', 1, 'test');
+        action.commitData = [{ message: 'fix: resolve bug in user authentication' } as Commit];
+
+        const result = await exec({}, action);
+
+        expect(result.steps[0].error).toBe(false);
+        expect(consoleLogSpy).toHaveBeenCalledWith(
+          expect.stringContaining('The following commit messages are legal:'),
+        );
+      });
+
+      it('should allow messages with no blocked content', async () => {
+        const action = new Action('test', 'test', 'test', 1, 'test');
+        action.commitData = [
+          { message: 'feat: add new feature' } as Commit,
+          { message: 'chore: update dependencies' } as Commit,
+          { message: 'docs: improve documentation' } as Commit,
+        ];
+
+        const result = await exec({}, action);
+
+        expect(result.steps[0].error).toBe(false);
+      });
+
+      it('should allow messages when config has empty block lists', async () => {
+        mockCommitConfig.message.block.literals = [];
+        mockCommitConfig.message.block.patterns = [];
+        vi.mocked(configModule.getCommitConfig).mockReturnValue(mockCommitConfig);
+
+        const action = new Action('test', 'test', 'test', 1, 'test');
+        action.commitData = [{ message: 'Any message should pass' } as Commit];
+
+        const result = await exec({}, action);
+
+        expect(result.steps[0].error).toBe(false);
+      });
+    });
+
+    describe('Multiple commits', () => {
+      it('should handle multiple valid commits', async () => {
+        const action = new Action('test', 'test', 'test', 1, 'test');
+        action.commitData = [
+          { message: 'feat: add feature A' } as Commit,
+          { message: 'fix: resolve issue B' } as Commit,
+          { message: 'chore: update config C' } as Commit,
+        ];
+
+        const result = await exec({}, action);
+
+        expect(result.steps[0].error).toBe(false);
+      });
+
+      it('should block when any commit is invalid', async () => {
+        const action = new Action('test', 'test', 'test', 1, 'test');
+        action.commitData = [
+          { message: 'feat: add feature A' } as Commit,
+          { message: 'fix: add password to config' } as Commit,
+          { message: 'chore: update config C' } as Commit,
+        ];
+
+        const result = await exec({}, action);
+
+        expect(result.steps[0].error).toBe(true);
+      });
+
+      it('should block when multiple commits are invalid', async () => {
+        const action = new Action('test', 'test', 'test', 1, 'test');
+        action.commitData = [
+          { message: 'Add password' } as Commit,
+          { message: 'Store secret' } as Commit,
+          { message: 'feat: valid message' } as Commit,
+        ];
+
+        const result = await exec({}, action);
+
+        expect(result.steps[0].error).toBe(true);
+      });
+
+      it('should deduplicate commit messages', async () => {
+        const action = new Action('test', 'test', 'test', 1, 'test');
+        action.commitData = [{ message: 'fix: bug' } as Commit, { message: 'fix: bug' } as Commit];
+
+        const result = await exec({}, action);
+
+        expect(result.steps[0].error).toBe(false);
+      });
+
+      it('should handle mix of duplicate valid and invalid messages', async () => {
+        const action = new Action('test', 'test', 'test', 1, 'test');
+        action.commitData = [
+          { message: 'fix: bug' } as Commit,
+          { message: 'Add password' } as Commit,
+          { message: 'fix: bug' } as Commit,
+        ];
+
+        const result = await exec({}, action);
+
+        expect(result.steps[0].error).toBe(true);
+      });
+    });
+
+    describe('Error handling and logging', () => {
+      it('should set error flag on step when messages are illegal', async () => {
+        const action = new Action('test', 'test', 'test', 1, 'test');
+        action.commitData = [{ message: 'Add password' } as Commit];
+
+        const result = await exec({}, action);
+
+        expect(result.steps[0].error).toBe(true);
+      });
+
+      it('should log error message to step', async () => {
+        const action = new Action('test', 'test', 'test', 1, 'test');
+        action.commitData = [{ message: 'Add password' } as Commit];
+
+        const result = await exec({}, action);
+        const step = result.steps[0];
+
+        // first log is the "push blocked" message
+        expect(step.logs[1]).toContain(
+          'The following commit messages are illegal: ["Add password"]',
+        );
+      });
+
+      it('should set detailed error message', async () => {
+        const action = new Action('test', 'test', 'test', 1, 'test');
+        action.commitData = [{ message: 'Add secret' } as Commit];
+
+        const result = await exec({}, action);
+        const step = result.steps[0];
+
+        expect(step.errorMessage).toContain('Your push has been blocked');
+        expect(step.errorMessage).toContain('Add secret');
+      });
+
+      it('should include all illegal messages in error', async () => {
+        const action = new Action('test', 'test', 'test', 1, 'test');
+        action.commitData = [
+          { message: 'Add password' } as Commit,
+          { message: 'Store token' } as Commit,
+        ];
+
+        const result = await exec({}, action);
+        const step = result.steps[0];
+
+        expect(step.errorMessage).toContain('Add password');
+        expect(step.errorMessage).toContain('Store token');
+      });
+    });
+
+    describe('Edge cases', () => {
+      it('should handle action with no commitData', async () => {
+        const action = new Action('test', 'test', 'test', 1, 'test');
+        action.commitData = undefined;
+
+        const result = await exec({}, action);
+
+        // should handle gracefully
+        expect(result.steps).toHaveLength(1);
+      });
+
+      it('should handle action with empty commitData array', async () => {
+        const action = new Action('test', 'test', 'test', 1, 'test');
+        action.commitData = [];
+
+        const result = await exec({}, action);
+
+        expect(result.steps[0].error).toBe(false);
+      });
+
+      it('should handle whitespace-only messages', async () => {
+        const action = new Action('test', 'test', 'test', 1, 'test');
+        action.commitData = [{ message: '   ' } as Commit];
+
+        const result = await exec({}, action);
+
+        expect(result.steps[0].error).toBe(false);
+      });
+
+      it('should handle very long commit messages', async () => {
+        const action = new Action('test', 'test', 'test', 1, 'test');
+        const longMessage = 'fix: ' + 'a'.repeat(10000);
+        action.commitData = [{ message: longMessage } as Commit];
+
+        const result = await exec({}, action);
+
+        expect(result.steps[0].error).toBe(false);
+      });
+
+      it('should handle special regex characters in literals', async () => {
+        mockCommitConfig.message.block.literals = ['$pecial', 'char*'];
+        vi.mocked(configModule.getCommitConfig).mockReturnValue(mockCommitConfig);
+
+        const action = new Action('test', 'test', 'test', 1, 'test');
+        action.commitData = [{ message: 'Contains $pecial characters' } as Commit];
+
+        const result = await exec({}, action);
+
+        expect(result.steps[0].error).toBe(true);
+      });
+
+      it('should handle unicode characters in messages', async () => {
+        const action = new Action('test', 'test', 'test', 1, 'test');
+        action.commitData = [{ message: 'feat: 添加新功能 🎉' } as Commit];
+
+        const result = await exec({}, action);
+
+        expect(result.steps[0].error).toBe(false);
+      });
+
+      it('should handle malformed regex patterns gracefully', async () => {
+        mockCommitConfig.message.block.patterns = ['[invalid'];
+        vi.mocked(configModule.getCommitConfig).mockReturnValue(mockCommitConfig);
+
+        const action = new Action('test', 'test', 'test', 1, 'test');
+        action.commitData = [{ message: 'Any message' } as Commit];
+
+        // test that it doesn't crash
+        expect(() => exec({}, action)).not.toThrow();
+      });
+    });
+
+    describe('Function properties', () => {
+      it('should have displayName property', () => {
+        expect(exec.displayName).toBe('checkCommitMessages.exec');
+      });
+    });
+
+    describe('Step management', () => {
+      it('should create a step named "checkCommitMessages"', async () => {
+        const action = new Action('test', 'test', 'test', 1, 'test');
+        action.commitData = [{ message: 'fix: bug' } as Commit];
+
+        const result = await exec({}, action);
+
+        expect(result.steps[0].stepName).toBe('checkCommitMessages');
+      });
+
+      it('should add step to action', async () => {
+        const action = new Action('test', 'test', 'test', 1, 'test');
+        action.commitData = [{ message: 'fix: bug' } as Commit];
+
+        const initialStepCount = action.steps.length;
+        const result = await exec({}, action);
+
+        expect(result.steps.length).toBe(initialStepCount + 1);
+      });
+
+      it('should return the same action object', async () => {
+        const action = new Action('test', 'test', 'test', 1, 'test');
+        action.commitData = [{ message: 'fix: bug' } as Commit];
+
+        const result = await exec({}, action);
+
+        expect(result).toBe(action);
+      });
+    });
+
+    describe('Request parameter', () => {
+      it('should accept request parameter without using it', async () => {
+        const action = new Action('test', 'test', 'test', 1, 'test');
+        action.commitData = [{ message: 'fix: bug' } as Commit];
+        const mockRequest = { headers: {}, body: {} };
+
+        const result = await exec(mockRequest, action);
+
+        expect(result.steps[0].error).toBe(false);
+      });
+    });
+  });
+});
diff --git a/test/processors/checkEmptyBranch.test.js b/test/processors/checkEmptyBranch.test.js
deleted file mode 100644
index b2833122f..000000000
--- a/test/processors/checkEmptyBranch.test.js
+++ /dev/null
@@ -1,111 +0,0 @@
-const chai = require('chai');
-const sinon = require('sinon');
-const proxyquire = require('proxyquire');
-const { Action } = require('../../src/proxy/actions');
-
-chai.should();
-const expect = chai.expect;
-
-describe('checkEmptyBranch', () => {
-  let exec;
-  let simpleGitStub;
-  let gitRawStub;
-
-  beforeEach(() => {
-    gitRawStub = sinon.stub();
-    simpleGitStub = sinon.stub().callsFake((workingDir) => {
-      return {
-        raw: gitRawStub,
-        cwd: workingDir,
-      };
-    });
-
-    const checkEmptyBranch = proxyquire('../../src/proxy/processors/push-action/checkEmptyBranch', {
-      'simple-git': {
-        default: simpleGitStub,
-        __esModule: true,
-        '@global': true,
-        '@noCallThru': true,
-      },
-      // deeply mocking fs to prevent simple-git from validating directories (which fails)
-      fs: {
-        existsSync: sinon.stub().returns(true),
-        lstatSync: sinon.stub().returns({
-          isDirectory: () => true,
-          isFile: () => false,
-        }),
-        '@global': true,
-      },
-    });
-
-    exec = checkEmptyBranch.exec;
-  });
-
-  afterEach(() => {
-    sinon.restore();
-  });
-
-  describe('exec', () => {
-    let action;
-    let req;
-
-    beforeEach(() => {
-      req = {};
-      action = new Action('1234567890', 'push', 'POST', 1234567890, 'test/repo');
-      action.proxyGitPath = '/tmp/gitproxy';
-      action.repoName = 'test-repo';
-      action.commitFrom = '0000000000000000000000000000000000000000';
-      action.commitTo = 'abcdef1234567890abcdef1234567890abcdef12';
-      action.commitData = [];
-    });
-
-    it('should pass through if commitData is already populated', async () => {
-      action.commitData = [{ message: 'Existing commit' }];
-
-      const result = await exec(req, action);
-
-      expect(result.steps).to.have.lengthOf(0);
-      expect(simpleGitStub.called).to.be.false;
-    });
-
-    it('should block empty branch pushes with a commit that exists', async () => {
-      gitRawStub.resolves('commit\n');
-
-      const result = await exec(req, action);
-
-      expect(simpleGitStub.calledWith('/tmp/gitproxy/test-repo')).to.be.true;
-      expect(gitRawStub.calledWith(['cat-file', '-t', action.commitTo])).to.be.true;
-
-      const step = result.steps.find((s) => s.stepName === 'checkEmptyBranch');
-      expect(step).to.exist;
-      expect(step.error).to.be.true;
-      expect(step.errorMessage).to.include('Push blocked: Empty branch');
-    });
-
-    it('should block pushes if commitTo does not resolve', async () => {
-      gitRawStub.rejects(new Error('fatal: Not a valid object name'));
-
-      const result = await exec(req, action);
-
-      expect(gitRawStub.calledWith(['cat-file', '-t', action.commitTo])).to.be.true;
-
-      const step = result.steps.find((s) => s.stepName === 'checkEmptyBranch');
-      expect(step).to.exist;
-      expect(step.error).to.be.true;
-      expect(step.errorMessage).to.include('Push blocked: Commit data not found');
-    });
-
-    it('should block non-empty branch pushes with empty commitData', async () => {
-      action.commitFrom = 'abcdef1234567890abcdef1234567890abcdef12';
-
-      const result = await exec(req, action);
-
-      expect(simpleGitStub.called).to.be.false;
-
-      const step = result.steps.find((s) => s.stepName === 'checkEmptyBranch');
-      expect(step).to.exist;
-      expect(step.error).to.be.true;
-      expect(step.errorMessage).to.include('Push blocked: Commit data not found');
-    });
-  });
-});
diff --git a/test/processors/checkEmptyBranch.test.ts b/test/processors/checkEmptyBranch.test.ts
new file mode 100644
index 000000000..bb13250ef
--- /dev/null
+++ b/test/processors/checkEmptyBranch.test.ts
@@ -0,0 +1,112 @@
+import { describe, it, expect, beforeEach, afterEach, vi } from 'vitest';
+import { Action } from '../../src/proxy/actions';
+
+vi.mock('simple-git');
+vi.mock('fs');
+
+describe('checkEmptyBranch', () => {
+  let exec: (req: any, action: Action) => Promise<Action>;
+  let simpleGitMock: any;
+  let gitRawMock: ReturnType<typeof vi.fn>;
+
+  beforeEach(async () => {
+    vi.resetModules();
+
+    gitRawMock = vi.fn();
+    simpleGitMock = vi.fn((workingDir: string) => ({
+      raw: gitRawMock,
+      cwd: workingDir,
+    }));
+
+    vi.doMock('simple-git', () => ({
+      default: simpleGitMock,
+    }));
+
+    // mocking fs to prevent simple-git from validating directories
+    vi.doMock('fs', async (importOriginal) => {
+      const actual: any = await importOriginal();
+      return {
+        ...actual,
+        existsSync: vi.fn().mockReturnValue(true),
+        lstatSync: vi.fn().mockReturnValue({
+          isDirectory: () => true,
+          isFile: () => false,
+        }),
+      };
+    });
+
+    // import the module after mocks are set up
+    const checkEmptyBranch = await import(
+      '../../src/proxy/processors/push-action/checkEmptyBranch'
+    );
+    exec = checkEmptyBranch.exec;
+  });
+
+  afterEach(() => {
+    vi.clearAllMocks();
+  });
+
+  describe('exec', () => {
+    let action: Action;
+    let req: any;
+
+    beforeEach(() => {
+      req = {};
+      action = new Action('1234567890', 'push', 'POST', 1234567890, 'test/repo');
+      action.proxyGitPath = '/tmp/gitproxy';
+      action.repoName = 'test-repo';
+      action.commitFrom = '0000000000000000000000000000000000000000';
+      action.commitTo = 'abcdef1234567890abcdef1234567890abcdef12';
+      action.commitData = [];
+    });
+
+    it('should pass through if commitData is already populated', async () => {
+      action.commitData = [{ message: 'Existing commit' }] as any;
+
+      const result = await exec(req, action);
+
+      expect(result.steps).toHaveLength(0);
+      expect(simpleGitMock).not.toHaveBeenCalled();
+    });
+
+    it('should block empty branch pushes with a commit that exists', async () => {
+      gitRawMock.mockResolvedValue('commit\n');
+
+      const result = await exec(req, action);
+
+      expect(simpleGitMock).toHaveBeenCalledWith('/tmp/gitproxy/test-repo');
+      expect(gitRawMock).toHaveBeenCalledWith(['cat-file', '-t', action.commitTo]);
+
+      const step = result.steps.find((s) => s.stepName === 'checkEmptyBranch');
+      expect(step).toBeDefined();
+      expect(step?.error).toBe(true);
+      expect(step?.errorMessage).toContain('Push blocked: Empty branch');
+    });
+
+    it('should block pushes if commitTo does not resolve', async () => {
+      gitRawMock.mockRejectedValue(new Error('fatal: Not a valid object name'));
+
+      const result = await exec(req, action);
+
+      expect(gitRawMock).toHaveBeenCalledWith(['cat-file', '-t', action.commitTo]);
+
+      const step = result.steps.find((s) => s.stepName === 'checkEmptyBranch');
+      expect(step).toBeDefined();
+      expect(step?.error).toBe(true);
+      expect(step?.errorMessage).toContain('Push blocked: Commit data not found');
+    });
+
+    it('should block non-empty branch pushes with empty commitData', async () => {
+      action.commitFrom = 'abcdef1234567890abcdef1234567890abcdef12';
+
+      const result = await exec(req, action);
+
+      expect(simpleGitMock).not.toHaveBeenCalled();
+
+      const step = result.steps.find((s) => s.stepName === 'checkEmptyBranch');
+      expect(step).toBeDefined();
+      expect(step?.error).toBe(true);
+      expect(step?.errorMessage).toContain('Push blocked: Commit data not found');
+    });
+  });
+});
diff --git a/test/processors/checkIfWaitingAuth.test.js b/test/processors/checkIfWaitingAuth.test.js
deleted file mode 100644
index 0ee9988bb..000000000
--- a/test/processors/checkIfWaitingAuth.test.js
+++ /dev/null
@@ -1,121 +0,0 @@
-const chai = require('chai');
-const sinon = require('sinon');
-const proxyquire = require('proxyquire');
-const { Action } = require('../../src/proxy/actions');
-
-chai.should();
-const expect = chai.expect;
-
-describe('checkIfWaitingAuth', () => {
-  let exec;
-  let getPushStub;
-
-  beforeEach(() => {
-    getPushStub = sinon.stub();
-
-    const checkIfWaitingAuth = proxyquire(
-      '../../src/proxy/processors/push-action/checkIfWaitingAuth',
-      {
-        '../../../db': { getPush: getPushStub },
-      },
-    );
-
-    exec = checkIfWaitingAuth.exec;
-  });
-
-  afterEach(() => {
-    sinon.restore();
-  });
-
-  describe('exec', () => {
-    let action;
-    let req;
-
-    beforeEach(() => {
-      req = {};
-      action = new Action('1234567890', 'push', 'POST', 1234567890, 'test/repo.git');
-    });
-
-    it('should set allowPush when action exists and is authorized', async () => {
-      const authorizedAction = new Action(
-        '1234567890',
-        'push',
-        'POST',
-        1234567890,
-        'test/repo.git',
-      );
-      authorizedAction.authorised = true;
-      getPushStub.resolves(authorizedAction);
-
-      const result = await exec(req, action);
-
-      expect(result.steps).to.have.lengthOf(1);
-      expect(result.steps[0].error).to.be.false;
-      expect(result.allowPush).to.be.true;
-      expect(result).to.deep.equal(authorizedAction);
-    });
-
-    it('should not set allowPush when action exists but not authorized', async () => {
-      const unauthorizedAction = new Action(
-        '1234567890',
-        'push',
-        'POST',
-        1234567890,
-        'test/repo.git',
-      );
-      unauthorizedAction.authorised = false;
-      getPushStub.resolves(unauthorizedAction);
-
-      const result = await exec(req, action);
-
-      expect(result.steps).to.have.lengthOf(1);
-      expect(result.steps[0].error).to.be.false;
-      expect(result.allowPush).to.be.false;
-    });
-
-    it('should not set allowPush when action does not exist', async () => {
-      getPushStub.resolves(null);
-
-      const result = await exec(req, action);
-
-      expect(result.steps).to.have.lengthOf(1);
-      expect(result.steps[0].error).to.be.false;
-      expect(result.allowPush).to.be.false;
-    });
-
-    it('should not modify action when it has an error', async () => {
-      action.error = true;
-      const authorizedAction = new Action(
-        '1234567890',
-        'push',
-        'POST',
-        1234567890,
-        'test/repo.git',
-      );
-      authorizedAction.authorised = true;
-      getPushStub.resolves(authorizedAction);
-
-      const result = await exec(req, action);
-
-      expect(result.steps).to.have.lengthOf(1);
-      expect(result.steps[0].error).to.be.false;
-      expect(result.allowPush).to.be.false;
-      expect(result.error).to.be.true;
-    });
-
-    it('should add step with error when getPush throws', async () => {
-      const error = new Error('DB error');
-      getPushStub.rejects(error);
-
-      try {
-        await exec(req, action);
-        throw new Error('Should have thrown');
-      } catch (e) {
-        expect(e).to.equal(error);
-        expect(action.steps).to.have.lengthOf(1);
-        expect(action.steps[0].error).to.be.true;
-        expect(action.steps[0].errorMessage).to.contain('DB error');
-      }
-    });
-  });
-});
diff --git a/test/processors/checkIfWaitingAuth.test.ts b/test/processors/checkIfWaitingAuth.test.ts
new file mode 100644
index 000000000..fe68bab4a
--- /dev/null
+++ b/test/processors/checkIfWaitingAuth.test.ts
@@ -0,0 +1,108 @@
+import { describe, it, expect, beforeEach, afterEach, vi } from 'vitest';
+import { Action } from '../../src/proxy/actions';
+import * as checkIfWaitingAuthModule from '../../src/proxy/processors/push-action/checkIfWaitingAuth';
+
+vi.mock('../../src/db', () => ({
+  getPush: vi.fn(),
+}));
+import { getPush } from '../../src/db';
+
+describe('checkIfWaitingAuth', () => {
+  const getPushMock = vi.mocked(getPush);
+
+  beforeEach(() => {
+    vi.clearAllMocks();
+  });
+
+  afterEach(() => {
+    vi.restoreAllMocks();
+  });
+
+  describe('exec', () => {
+    let action: Action;
+    let req: any;
+
+    beforeEach(() => {
+      req = {};
+      action = new Action('1234567890', 'push', 'POST', 1234567890, 'test/repo.git');
+    });
+
+    it('should set allowPush when action exists and is authorized', async () => {
+      const authorizedAction = new Action(
+        '1234567890',
+        'push',
+        'POST',
+        1234567890,
+        'test/repo.git',
+      );
+      authorizedAction.authorised = true;
+      getPushMock.mockResolvedValue(authorizedAction);
+
+      const result = await checkIfWaitingAuthModule.exec(req, action);
+
+      expect(result.steps).toHaveLength(1);
+      expect(result.steps[0].error).toBe(false);
+      expect(result.allowPush).toBe(true);
+      expect(result).toEqual(authorizedAction);
+    });
+
+    it('should not set allowPush when action exists but not authorized', async () => {
+      const unauthorizedAction = new Action(
+        '1234567890',
+        'push',
+        'POST',
+        1234567890,
+        'test/repo.git',
+      );
+      unauthorizedAction.authorised = false;
+      getPushMock.mockResolvedValue(unauthorizedAction);
+
+      const result = await checkIfWaitingAuthModule.exec(req, action);
+
+      expect(result.steps).toHaveLength(1);
+      expect(result.steps[0].error).toBe(false);
+      expect(result.allowPush).toBe(false);
+    });
+
+    it('should not set allowPush when action does not exist', async () => {
+      getPushMock.mockResolvedValue(null);
+
+      const result = await checkIfWaitingAuthModule.exec(req, action);
+
+      expect(result.steps).toHaveLength(1);
+      expect(result.steps[0].error).toBe(false);
+      expect(result.allowPush).toBe(false);
+    });
+
+    it('should not modify action when it has an error', async () => {
+      action.error = true;
+      const authorizedAction = new Action(
+        '1234567890',
+        'push',
+        'POST',
+        1234567890,
+        'test/repo.git',
+      );
+      authorizedAction.authorised = true;
+      getPushMock.mockResolvedValue(authorizedAction);
+
+      const result = await checkIfWaitingAuthModule.exec(req, action);
+
+      expect(result.steps).toHaveLength(1);
+      expect(result.steps[0].error).toBe(false);
+      expect(result.allowPush).toBe(false);
+      expect(result.error).toBe(true);
+    });
+
+    it('should add step with error when getPush throws', async () => {
+      const error = new Error('DB error');
+      getPushMock.mockRejectedValue(error);
+
+      await expect(checkIfWaitingAuthModule.exec(req, action)).rejects.toThrow(error);
+
+      expect(action.steps).toHaveLength(1);
+      expect(action.steps[0].error).toBe(true);
+      expect(action.steps[0].errorMessage).toContain('DB error');
+    });
+  });
+});
diff --git a/test/processors/checkUserPushPermission.test.js b/test/processors/checkUserPushPermission.test.js
deleted file mode 100644
index c566ca362..000000000
--- a/test/processors/checkUserPushPermission.test.js
+++ /dev/null
@@ -1,158 +0,0 @@
-const chai = require('chai');
-const sinon = require('sinon');
-const proxyquire = require('proxyquire');
-const fc = require('fast-check');
-const { Action, Step } = require('../../src/proxy/actions');
-
-chai.should();
-const expect = chai.expect;
-
-describe('checkUserPushPermission', () => {
-  let exec;
-  let getUsersStub;
-  let isUserPushAllowedStub;
-  let logStub;
-  let errorStub;
-
-  beforeEach(() => {
-    logStub = sinon.stub(console, 'log');
-    errorStub = sinon.stub(console, 'error');
-    getUsersStub = sinon.stub();
-    isUserPushAllowedStub = sinon.stub();
-
-    const checkUserPushPermission = proxyquire(
-      '../../src/proxy/processors/push-action/checkUserPushPermission',
-      {
-        '../../../db': {
-          getUsers: getUsersStub,
-          isUserPushAllowed: isUserPushAllowedStub,
-        },
-      },
-    );
-
-    exec = checkUserPushPermission.exec;
-  });
-
-  afterEach(() => {
-    sinon.restore();
-  });
-
-  describe('exec', () => {
-    let action;
-    let req;
-    let stepSpy;
-
-    beforeEach(() => {
-      req = {};
-      action = new Action(
-        '1234567890',
-        'push',
-        'POST',
-        1234567890,
-        'https://github.com/finos/git-proxy.git',
-      );
-      action.user = 'git-user';
-      action.userEmail = 'db-user@test.com';
-      stepSpy = sinon.spy(Step.prototype, 'log');
-    });
-
-    it('should allow push when user has permission', async () => {
-      getUsersStub.resolves([
-        { username: 'db-user', email: 'db-user@test.com', gitAccount: 'git-user' },
-      ]);
-      isUserPushAllowedStub.resolves(true);
-
-      const result = await exec(req, action);
-
-      expect(result.steps).to.have.lengthOf(1);
-      expect(result.steps[0].error).to.be.false;
-      expect(stepSpy.lastCall.args[0]).to.equal(
-        'User db-user@test.com is allowed to push on repo https://github.com/finos/git-proxy.git',
-      );
-      expect(logStub.lastCall.args[0]).to.equal(
-        'User db-user@test.com permission on Repo https://github.com/finos/git-proxy.git : true',
-      );
-    });
-
-    it('should reject push when user has no permission', async () => {
-      getUsersStub.resolves([
-        { username: 'db-user', email: 'db-user@test.com', gitAccount: 'git-user' },
-      ]);
-      isUserPushAllowedStub.resolves(false);
-
-      const result = await exec(req, action);
-
-      expect(result.steps).to.have.lengthOf(1);
-      expect(result.steps[0].error).to.be.true;
-      expect(stepSpy.lastCall.args[0]).to.equal(
-        'Your push has been blocked (db-user@test.com is not allowed to push on repo https://github.com/finos/git-proxy.git)',
-      );
-      expect(result.steps[0].errorMessage).to.include('Your push has been blocked');
-      expect(logStub.lastCall.args[0]).to.equal('User not allowed to Push');
-    });
-
-    it('should reject push when no user found for git account', async () => {
-      getUsersStub.resolves([]);
-
-      const result = await exec(req, action);
-
-      expect(result.steps).to.have.lengthOf(1);
-      expect(result.steps[0].error).to.be.true;
-      expect(stepSpy.lastCall.args[0]).to.equal(
-        'Your push has been blocked (db-user@test.com is not allowed to push on repo https://github.com/finos/git-proxy.git)',
-      );
-      expect(result.steps[0].errorMessage).to.include('Your push has been blocked');
-    });
-
-    it('should handle multiple users for git account by rejecting the push', async () => {
-      getUsersStub.resolves([
-        { username: 'user1', email: 'db-user@test.com', gitAccount: 'git-user' },
-        { username: 'user2', email: 'db-user@test.com', gitAccount: 'git-user' },
-      ]);
-
-      const result = await exec(req, action);
-
-      expect(result.steps).to.have.lengthOf(1);
-      expect(result.steps[0].error).to.be.true;
-      expect(stepSpy.lastCall.args[0]).to.equal(
-        'Your push has been blocked (there are multiple users with email db-user@test.com)',
-      );
-      expect(errorStub.lastCall.args[0]).to.equal(
-        'Multiple users found with email address db-user@test.com, ending',
-      );
-    });
-
-    it('should return error when no user is set in the action', async () => {
-      action.user = null;
-      action.userEmail = null;
-      getUsersStub.resolves([]);
-      const result = await exec(req, action);
-      expect(result.steps).to.have.lengthOf(1);
-      expect(result.steps[0].error).to.be.true;
-      expect(result.steps[0].errorMessage).to.include(
-        'Push blocked: User not found. Please contact an administrator for support.',
-      );
-    });
-
-    describe('fuzzing', () => {
-      it('should not crash on arbitrary getUsers return values (fuzzing)', async () => {
-        const userList = fc.sample(
-          fc.array(
-            fc.record({
-              username: fc.string(),
-              gitAccount: fc.string(),
-            }),
-            { maxLength: 5 },
-          ),
-          1,
-        )[0];
-        getUsersStub.resolves(userList);
-
-        const result = await exec(req, action);
-
-        expect(result.steps).to.have.lengthOf(1);
-        expect(result.steps[0].error).to.be.true;
-      });
-    });
-  });
-});
diff --git a/test/processors/checkUserPushPermission.test.ts b/test/processors/checkUserPushPermission.test.ts
new file mode 100644
index 000000000..6e029a321
--- /dev/null
+++ b/test/processors/checkUserPushPermission.test.ts
@@ -0,0 +1,153 @@
+import { describe, it, expect, beforeEach, afterEach, vi } from 'vitest';
+import fc from 'fast-check';
+import { Action, Step } from '../../src/proxy/actions';
+import type { Mock } from 'vitest';
+
+vi.mock('../../src/db', () => ({
+  getUsers: vi.fn(),
+  isUserPushAllowed: vi.fn(),
+}));
+
+// import after mocking
+import { getUsers, isUserPushAllowed } from '../../src/db';
+import { exec } from '../../src/proxy/processors/push-action/checkUserPushPermission';
+
+describe('checkUserPushPermission', () => {
+  let getUsersMock: Mock;
+  let isUserPushAllowedMock: Mock;
+  let consoleLogSpy: ReturnType<typeof vi.spyOn>;
+  let consoleErrorSpy: ReturnType<typeof vi.spyOn>;
+
+  beforeEach(() => {
+    getUsersMock = vi.mocked(getUsers);
+    isUserPushAllowedMock = vi.mocked(isUserPushAllowed);
+    consoleLogSpy = vi.spyOn(console, 'log').mockImplementation(() => {});
+    consoleErrorSpy = vi.spyOn(console, 'error').mockImplementation(() => {});
+  });
+
+  afterEach(() => {
+    vi.clearAllMocks();
+    vi.restoreAllMocks();
+  });
+
+  describe('exec', () => {
+    let action: Action;
+    let req: any;
+    let stepLogSpy: ReturnType<typeof vi.spyOn>;
+
+    beforeEach(() => {
+      req = {};
+      action = new Action(
+        '1234567890',
+        'push',
+        'POST',
+        1234567890,
+        'https://github.com/finos/git-proxy.git',
+      );
+      action.user = 'git-user';
+      action.userEmail = 'db-user@test.com';
+      stepLogSpy = vi.spyOn(Step.prototype, 'log');
+    });
+
+    it('should allow push when user has permission', async () => {
+      getUsersMock.mockResolvedValue([
+        { username: 'db-user', email: 'db-user@test.com', gitAccount: 'git-user' },
+      ]);
+      isUserPushAllowedMock.mockResolvedValue(true);
+
+      const result = await exec(req, action);
+
+      expect(result.steps).toHaveLength(1);
+      expect(result.steps[0].error).toBe(false);
+      expect(stepLogSpy).toHaveBeenLastCalledWith(
+        'User db-user@test.com is allowed to push on repo https://github.com/finos/git-proxy.git',
+      );
+      expect(consoleLogSpy).toHaveBeenLastCalledWith(
+        'User db-user@test.com permission on Repo https://github.com/finos/git-proxy.git : true',
+      );
+    });
+
+    it('should reject push when user has no permission', async () => {
+      getUsersMock.mockResolvedValue([
+        { username: 'db-user', email: 'db-user@test.com', gitAccount: 'git-user' },
+      ]);
+      isUserPushAllowedMock.mockResolvedValue(false);
+
+      const result = await exec(req, action);
+
+      expect(result.steps).toHaveLength(1);
+      expect(result.steps[0].error).toBe(true);
+      expect(stepLogSpy).toHaveBeenLastCalledWith(
+        `Your push has been blocked (db-user@test.com is not allowed to push on repo https://github.com/finos/git-proxy.git)`,
+      );
+      expect(result.steps[0].errorMessage).toContain('Your push has been blocked');
+      expect(consoleLogSpy).toHaveBeenLastCalledWith('User not allowed to Push');
+    });
+
+    it('should reject push when no user found for git account', async () => {
+      getUsersMock.mockResolvedValue([]);
+
+      const result = await exec(req, action);
+
+      expect(result.steps).toHaveLength(1);
+      expect(result.steps[0].error).toBe(true);
+      expect(stepLogSpy).toHaveBeenLastCalledWith(
+        `Your push has been blocked (db-user@test.com is not allowed to push on repo https://github.com/finos/git-proxy.git)`,
+      );
+      expect(result.steps[0].errorMessage).toContain('Your push has been blocked');
+    });
+
+    it('should handle multiple users for git account by rejecting the push', async () => {
+      getUsersMock.mockResolvedValue([
+        { username: 'user1', email: 'db-user@test.com', gitAccount: 'git-user' },
+        { username: 'user2', email: 'db-user@test.com', gitAccount: 'git-user' },
+      ]);
+
+      const result = await exec(req, action);
+
+      expect(result.steps).toHaveLength(1);
+      expect(result.steps[0].error).toBe(true);
+      expect(stepLogSpy).toHaveBeenLastCalledWith(
+        'Your push has been blocked (there are multiple users with email db-user@test.com)',
+      );
+      expect(consoleErrorSpy).toHaveBeenLastCalledWith(
+        'Multiple users found with email address db-user@test.com, ending',
+      );
+    });
+
+    it('should return error when no user is set in the action', async () => {
+      action.user = undefined;
+      action.userEmail = undefined;
+      getUsersMock.mockResolvedValue([]);
+
+      const result = await exec(req, action);
+
+      expect(result.steps).toHaveLength(1);
+      expect(result.steps[0].error).toBe(true);
+      expect(result.steps[0].errorMessage).toContain(
+        'Push blocked: User not found. Please contact an administrator for support.',
+      );
+    });
+
+    describe('fuzzing', () => {
+      it('should not crash on arbitrary getUsers return values (fuzzing)', async () => {
+        const userList = fc.sample(
+          fc.array(
+            fc.record({
+              username: fc.string(),
+              gitAccount: fc.string(),
+            }),
+            { maxLength: 5 },
+          ),
+          1,
+        )[0];
+        getUsersMock.mockResolvedValue(userList);
+
+        const result = await exec(req, action);
+
+        expect(result.steps).toHaveLength(1);
+        expect(result.steps[0].error).toBe(true);
+      });
+    });
+  });
+});
diff --git a/test/processors/clearBareClone.test.js b/test/processors/clearBareClone.test.ts
similarity index 55%
rename from test/processors/clearBareClone.test.js
rename to test/processors/clearBareClone.test.ts
index c58460913..60624196c 100644
--- a/test/processors/clearBareClone.test.js
+++ b/test/processors/clearBareClone.test.ts
@@ -1,20 +1,16 @@
-const fs = require('fs');
-const chai = require('chai');
-const clearBareClone = require('../../src/proxy/processors/push-action/clearBareClone').exec;
-const pullRemote = require('../../src/proxy/processors/push-action/pullRemote').exec;
-const { Action } = require('../../src/proxy/actions/Action');
-chai.should();
-
-const expect = chai.expect;
+import { describe, it, expect, afterEach } from 'vitest';
+import fs from 'fs';
+import { exec as clearBareClone } from '../../src/proxy/processors/push-action/clearBareClone';
+import { exec as pullRemote } from '../../src/proxy/processors/push-action/pullRemote';
+import { Action } from '../../src/proxy/actions/Action';
 
 const actionId = '123__456';
 const timestamp = Date.now();
 
-describe('clear bare and local clones', async () => {
+describe('clear bare and local clones', () => {
   it('pull remote generates a local .remote folder', async () => {
     const action = new Action(actionId, 'type', 'get', timestamp, 'finos/git-proxy.git');
     action.url = 'https://github.com/finos/git-proxy.git';
-
     const authorization = `Basic ${Buffer.from('JamieSlome:test').toString('base64')}`;
 
     await pullRemote(
@@ -26,19 +22,20 @@ describe('clear bare and local clones', async () => {
       action,
     );
 
-    expect(fs.existsSync(`./.remote/${actionId}`)).to.be.true;
-  }).timeout(20000);
+    expect(fs.existsSync(`./.remote/${actionId}`)).toBe(true);
+  }, 20000);
 
   it('clear bare clone function purges .remote folder and specific clone folder', async () => {
     const action = new Action(actionId, 'type', 'get', timestamp, 'finos/git-proxy.git');
     await clearBareClone(null, action);
-    expect(fs.existsSync(`./.remote`)).to.throw;
-    expect(fs.existsSync(`./.remote/${actionId}`)).to.throw;
+
+    expect(fs.existsSync(`./.remote`)).toBe(false);
+    expect(fs.existsSync(`./.remote/${actionId}`)).toBe(false);
   });
 
   afterEach(() => {
     if (fs.existsSync(`./.remote`)) {
-      fs.rmdirSync(`./.remote`, { recursive: true });
+      fs.rmSync(`./.remote`, { recursive: true });
     }
   });
 });
diff --git a/test/processors/getDiff.test.js b/test/processors/getDiff.test.ts
similarity index 71%
rename from test/processors/getDiff.test.js
rename to test/processors/getDiff.test.ts
index a6b2a64bd..ed5a48594 100644
--- a/test/processors/getDiff.test.js
+++ b/test/processors/getDiff.test.ts
@@ -1,18 +1,17 @@
-const path = require('path');
-const simpleGit = require('simple-git');
-const fs = require('fs').promises;
-const fc = require('fast-check');
-const { Action } = require('../../src/proxy/actions');
-const { exec } = require('../../src/proxy/processors/push-action/getDiff');
-
-const chai = require('chai');
-const expect = chai.expect;
+import path from 'path';
+import simpleGit, { SimpleGit } from 'simple-git';
+import fs from 'fs/promises';
+import { describe, it, expect, beforeAll, afterAll } from 'vitest';
+import fc from 'fast-check';
+import { Action } from '../../src/proxy/actions';
+import { exec } from '../../src/proxy/processors/push-action/getDiff';
+import { Commit } from '../../src/proxy/actions/Action';
 
 describe('getDiff', () => {
-  let tempDir;
-  let git;
+  let tempDir: string;
+  let git: SimpleGit;
 
-  before(async () => {
+  beforeAll(async () => {
     // Create a temp repo to avoid mocking simple-git
     tempDir = path.join(__dirname, 'temp-test-repo');
     await fs.mkdir(tempDir, { recursive: true });
@@ -27,8 +26,8 @@ describe('getDiff', () => {
     await git.commit('initial commit');
   });
 
-  after(async () => {
-    await fs.rmdir(tempDir, { recursive: true });
+  afterAll(async () => {
+    await fs.rm(tempDir, { recursive: true, force: true });
   });
 
   it('should get diff between commits', async () => {
@@ -41,13 +40,13 @@ describe('getDiff', () => {
     action.repoName = 'temp-test-repo';
     action.commitFrom = 'HEAD~1';
     action.commitTo = 'HEAD';
-    action.commitData = [{ parent: '0000000000000000000000000000000000000000' }];
+    action.commitData = [{ parent: '0000000000000000000000000000000000000000' } as Commit];
 
     const result = await exec({}, action);
 
-    expect(result.steps[0].error).to.be.false;
-    expect(result.steps[0].content).to.include('modified content');
-    expect(result.steps[0].content).to.include('initial content');
+    expect(result.steps[0].error).toBe(false);
+    expect(result.steps[0].content).toContain('modified content');
+    expect(result.steps[0].content).toContain('initial content');
   });
 
   it('should get diff between commits with no changes', async () => {
@@ -56,12 +55,12 @@ describe('getDiff', () => {
     action.repoName = 'temp-test-repo';
     action.commitFrom = 'HEAD~1';
     action.commitTo = 'HEAD';
-    action.commitData = [{ parent: '0000000000000000000000000000000000000000' }];
+    action.commitData = [{ parent: '0000000000000000000000000000000000000000' } as Commit];
 
     const result = await exec({}, action);
 
-    expect(result.steps[0].error).to.be.false;
-    expect(result.steps[0].content).to.include('initial content');
+    expect(result.steps[0].error).toBe(false);
+    expect(result.steps[0].content).toContain('initial content');
   });
 
   it('should throw an error if no commit data is provided', async () => {
@@ -73,23 +72,23 @@ describe('getDiff', () => {
     action.commitData = [];
 
     const result = await exec({}, action);
-    expect(result.steps[0].error).to.be.true;
-    expect(result.steps[0].errorMessage).to.contain(
+    expect(result.steps[0].error).toBe(true);
+    expect(result.steps[0].errorMessage).toContain(
       'Your push has been blocked because no commit data was found',
     );
   });
 
-  it('should throw an error if no commit data is provided', async () => {
+  it('should throw an error if commit data is undefined', async () => {
     const action = new Action('1234567890', 'push', 'POST', 1234567890, 'test/repo.git');
     action.proxyGitPath = __dirname; // Temp dir parent path
     action.repoName = 'temp-test-repo';
     action.commitFrom = 'HEAD~1';
     action.commitTo = 'HEAD';
-    action.commitData = undefined;
+    action.commitData = undefined as any;
 
     const result = await exec({}, action);
-    expect(result.steps[0].error).to.be.true;
-    expect(result.steps[0].errorMessage).to.contain(
+    expect(result.steps[0].error).toBe(true);
+    expect(result.steps[0].errorMessage).toContain(
       'Your push has been blocked because no commit data was found',
     );
   });
@@ -109,15 +108,14 @@ describe('getDiff', () => {
     action.repoName = path.basename(tempDir);
     action.commitFrom = '0000000000000000000000000000000000000000';
     action.commitTo = headCommit;
-    action.commitData = [{ parent: parentCommit }];
+    action.commitData = [{ parent: parentCommit } as Commit];
 
     const result = await exec({}, action);
 
-    expect(result.steps[0].error).to.be.false;
-    expect(result.steps[0].content).to.not.be.null;
-    expect(result.steps[0].content.length).to.be.greaterThan(0);
+    expect(result.steps[0].error).toBe(false);
+    expect(result.steps[0].content).not.toBeNull();
+    expect(result.steps[0].content!.length).toBeGreaterThan(0);
   });
-
   describe('fuzzing', () => {
     it('should handle random action inputs without crashing', async function () {
       // Not comprehensive but helps prevent crashing on bad input
@@ -134,13 +132,13 @@ describe('getDiff', () => {
             action.repoName = 'temp-test-repo';
             action.commitFrom = from;
             action.commitTo = to;
-            action.commitData = commitData;
+            action.commitData = commitData as any;
 
             const result = await exec({}, action);
 
-            expect(result).to.have.property('steps');
-            expect(result.steps[0]).to.have.property('error');
-            expect(result.steps[0]).to.have.property('content');
+            expect(result).toHaveProperty('steps');
+            expect(result.steps[0]).toHaveProperty('error');
+            expect(result.steps[0]).toHaveProperty('content');
           },
         ),
         { numRuns: 10 },
@@ -158,12 +156,12 @@ describe('getDiff', () => {
             action.repoName = 'temp-test-repo';
             action.commitFrom = from;
             action.commitTo = to;
-            action.commitData = [{ parent: '0000000000000000000000000000000000000000' }];
+            action.commitData = [{ parent: '0000000000000000000000000000000000000000' } as Commit];
 
             const result = await exec({}, action);
 
-            expect(result.steps[0].error).to.be.true;
-            expect(result.steps[0].errorMessage).to.contain('Invalid revision range');
+            expect(result.steps[0].error).toBe(true);
+            expect(result.steps[0].errorMessage).toContain('Invalid revision range');
           },
         ),
         { numRuns: 10 },
diff --git a/test/processors/gitLeaks.test.js b/test/processors/gitLeaks.test.js
deleted file mode 100644
index 1461611f8..000000000
--- a/test/processors/gitLeaks.test.js
+++ /dev/null
@@ -1,324 +0,0 @@
-const chai = require('chai');
-const sinon = require('sinon');
-const proxyquire = require('proxyquire');
-const { Action, Step } = require('../../src/proxy/actions');
-
-chai.should();
-const expect = chai.expect;
-
-describe('gitleaks', () => {
-  describe('exec', () => {
-    let exec;
-    let stubs;
-    let action;
-    let req;
-    let stepSpy;
-    let logStub;
-    let errorStub;
-
-    beforeEach(() => {
-      stubs = {
-        getAPIs: sinon.stub(),
-        fs: {
-          stat: sinon.stub(),
-          access: sinon.stub(),
-          constants: { R_OK: 0 },
-        },
-        spawn: sinon.stub(),
-      };
-
-      logStub = sinon.stub(console, 'log');
-      errorStub = sinon.stub(console, 'error');
-
-      const gitleaksModule = proxyquire('../../src/proxy/processors/push-action/gitleaks', {
-        '../../../config': { getAPIs: stubs.getAPIs },
-        'node:fs/promises': stubs.fs,
-        'node:child_process': { spawn: stubs.spawn },
-      });
-
-      exec = gitleaksModule.exec;
-
-      req = {};
-      action = new Action('1234567890', 'push', 'POST', 1234567890, 'test/repo.git');
-      action.proxyGitPath = '/tmp';
-      action.repoName = 'test-repo';
-      action.commitFrom = 'abc123';
-      action.commitTo = 'def456';
-
-      stepSpy = sinon.spy(Step.prototype, 'setError');
-    });
-
-    afterEach(() => {
-      sinon.restore();
-    });
-
-    it('should handle config loading failure', async () => {
-      stubs.getAPIs.throws(new Error('Config error'));
-
-      const result = await exec(req, action);
-
-      expect(result.error).to.be.true;
-      expect(result.steps).to.have.lengthOf(1);
-      expect(result.steps[0].error).to.be.true;
-      expect(stepSpy.calledWith('failed setup gitleaks, please contact an administrator\n')).to.be
-        .true;
-      expect(errorStub.calledWith('failed to get gitleaks config, please fix the error:')).to.be
-        .true;
-    });
-
-    it('should skip scanning when plugin is disabled', async () => {
-      stubs.getAPIs.returns({ gitleaks: { enabled: false } });
-
-      const result = await exec(req, action);
-
-      expect(result.error).to.be.false;
-      expect(result.steps).to.have.lengthOf(1);
-      expect(result.steps[0].error).to.be.false;
-      expect(logStub.calledWith('gitleaks is disabled, skipping')).to.be.true;
-    });
-
-    it('should handle successful scan with no findings', async () => {
-      stubs.getAPIs.returns({ gitleaks: { enabled: true } });
-
-      const gitRootCommitMock = {
-        exitCode: 0,
-        stdout: 'rootcommit123\n',
-        stderr: '',
-      };
-
-      const gitleaksMock = {
-        exitCode: 0,
-        stdout: '',
-        stderr: 'No leaks found',
-      };
-
-      stubs.spawn
-        .onFirstCall()
-        .returns({
-          on: (event, cb) => {
-            if (event === 'close') cb(gitRootCommitMock.exitCode);
-            return { stdout: { on: () => {} }, stderr: { on: () => {} } };
-          },
-          stdout: { on: (_, cb) => cb(gitRootCommitMock.stdout) },
-          stderr: { on: (_, cb) => cb(gitRootCommitMock.stderr) },
-        })
-        .onSecondCall()
-        .returns({
-          on: (event, cb) => {
-            if (event === 'close') cb(gitleaksMock.exitCode);
-            return { stdout: { on: () => {} }, stderr: { on: () => {} } };
-          },
-          stdout: { on: (_, cb) => cb(gitleaksMock.stdout) },
-          stderr: { on: (_, cb) => cb(gitleaksMock.stderr) },
-        });
-
-      const result = await exec(req, action);
-
-      expect(result.error).to.be.false;
-      expect(result.steps).to.have.lengthOf(1);
-      expect(result.steps[0].error).to.be.false;
-      expect(logStub.calledWith('succeeded')).to.be.true;
-      expect(logStub.calledWith('No leaks found')).to.be.true;
-    });
-
-    it('should handle scan with findings', async () => {
-      stubs.getAPIs.returns({ gitleaks: { enabled: true } });
-
-      const gitRootCommitMock = {
-        exitCode: 0,
-        stdout: 'rootcommit123\n',
-        stderr: '',
-      };
-
-      const gitleaksMock = {
-        exitCode: 99,
-        stdout: 'Found secret in file.txt\n',
-        stderr: 'Warning: potential leak',
-      };
-
-      stubs.spawn
-        .onFirstCall()
-        .returns({
-          on: (event, cb) => {
-            if (event === 'close') cb(gitRootCommitMock.exitCode);
-            return { stdout: { on: () => {} }, stderr: { on: () => {} } };
-          },
-          stdout: { on: (_, cb) => cb(gitRootCommitMock.stdout) },
-          stderr: { on: (_, cb) => cb(gitRootCommitMock.stderr) },
-        })
-        .onSecondCall()
-        .returns({
-          on: (event, cb) => {
-            if (event === 'close') cb(gitleaksMock.exitCode);
-            return { stdout: { on: () => {} }, stderr: { on: () => {} } };
-          },
-          stdout: { on: (_, cb) => cb(gitleaksMock.stdout) },
-          stderr: { on: (_, cb) => cb(gitleaksMock.stderr) },
-        });
-
-      const result = await exec(req, action);
-
-      expect(result.error).to.be.true;
-      expect(result.steps).to.have.lengthOf(1);
-      expect(result.steps[0].error).to.be.true;
-      expect(stepSpy.calledWith('\nFound secret in file.txt\nWarning: potential leak')).to.be.true;
-    });
-
-    it('should handle gitleaks execution failure', async () => {
-      stubs.getAPIs.returns({ gitleaks: { enabled: true } });
-
-      const gitRootCommitMock = {
-        exitCode: 0,
-        stdout: 'rootcommit123\n',
-        stderr: '',
-      };
-
-      const gitleaksMock = {
-        exitCode: 1,
-        stdout: '',
-        stderr: 'Command failed',
-      };
-
-      stubs.spawn
-        .onFirstCall()
-        .returns({
-          on: (event, cb) => {
-            if (event === 'close') cb(gitRootCommitMock.exitCode);
-            return { stdout: { on: () => {} }, stderr: { on: () => {} } };
-          },
-          stdout: { on: (_, cb) => cb(gitRootCommitMock.stdout) },
-          stderr: { on: (_, cb) => cb(gitRootCommitMock.stderr) },
-        })
-        .onSecondCall()
-        .returns({
-          on: (event, cb) => {
-            if (event === 'close') cb(gitleaksMock.exitCode);
-            return { stdout: { on: () => {} }, stderr: { on: () => {} } };
-          },
-          stdout: { on: (_, cb) => cb(gitleaksMock.stdout) },
-          stderr: { on: (_, cb) => cb(gitleaksMock.stderr) },
-        });
-
-      const result = await exec(req, action);
-
-      expect(result.error).to.be.true;
-      expect(result.steps).to.have.lengthOf(1);
-      expect(result.steps[0].error).to.be.true;
-      expect(stepSpy.calledWith('failed to run gitleaks, please contact an administrator\n')).to.be
-        .true;
-    });
-
-    it('should handle gitleaks spawn failure', async () => {
-      stubs.getAPIs.returns({ gitleaks: { enabled: true } });
-      stubs.spawn.onFirstCall().throws(new Error('Spawn error'));
-
-      const result = await exec(req, action);
-
-      expect(result.error).to.be.true;
-      expect(result.steps).to.have.lengthOf(1);
-      expect(result.steps[0].error).to.be.true;
-      expect(stepSpy.calledWith('failed to spawn gitleaks, please contact an administrator\n')).to
-        .be.true;
-    });
-
-    it('should handle empty gitleaks entry in proxy.config.json', async () => {
-      stubs.getAPIs.returns({ gitleaks: {} });
-      const result = await exec(req, action);
-      expect(result.error).to.be.false;
-      expect(result.steps).to.have.lengthOf(1);
-      expect(result.steps[0].error).to.be.false;
-    });
-
-    it('should handle invalid gitleaks entry in proxy.config.json', async () => {
-      stubs.getAPIs.returns({ gitleaks: 'invalid config' });
-      stubs.spawn.onFirstCall().returns({
-        on: (event, cb) => {
-          if (event === 'close') cb(0);
-          return { stdout: { on: () => {} }, stderr: { on: () => {} } };
-        },
-        stdout: { on: (_, cb) => cb('') },
-        stderr: { on: (_, cb) => cb('') },
-      });
-
-      const result = await exec(req, action);
-
-      expect(result.error).to.be.false;
-      expect(result.steps).to.have.lengthOf(1);
-      expect(result.steps[0].error).to.be.false;
-    });
-
-    it('should handle custom config path', async () => {
-      stubs.getAPIs.returns({
-        gitleaks: {
-          enabled: true,
-          configPath: `../fixtures/gitleaks-config.toml`,
-        },
-      });
-
-      stubs.fs.stat.resolves({ isFile: () => true });
-      stubs.fs.access.resolves();
-
-      const gitRootCommitMock = {
-        exitCode: 0,
-        stdout: 'rootcommit123\n',
-        stderr: '',
-      };
-
-      const gitleaksMock = {
-        exitCode: 0,
-        stdout: '',
-        stderr: 'No leaks found',
-      };
-
-      stubs.spawn
-        .onFirstCall()
-        .returns({
-          on: (event, cb) => {
-            if (event === 'close') cb(gitRootCommitMock.exitCode);
-            return { stdout: { on: () => {} }, stderr: { on: () => {} } };
-          },
-          stdout: { on: (_, cb) => cb(gitRootCommitMock.stdout) },
-          stderr: { on: (_, cb) => cb(gitRootCommitMock.stderr) },
-        })
-        .onSecondCall()
-        .returns({
-          on: (event, cb) => {
-            if (event === 'close') cb(gitleaksMock.exitCode);
-            return { stdout: { on: () => {} }, stderr: { on: () => {} } };
-          },
-          stdout: { on: (_, cb) => cb(gitleaksMock.stdout) },
-          stderr: { on: (_, cb) => cb(gitleaksMock.stderr) },
-        });
-
-      const result = await exec(req, action);
-
-      expect(result.error).to.be.false;
-      expect(result.steps[0].error).to.be.false;
-      expect(stubs.spawn.secondCall.args[1]).to.include(
-        '--config=../fixtures/gitleaks-config.toml',
-      );
-    });
-
-    it('should handle invalid custom config path', async () => {
-      stubs.getAPIs.returns({
-        gitleaks: {
-          enabled: true,
-          configPath: '/invalid/path.toml',
-        },
-      });
-
-      stubs.fs.stat.rejects(new Error('File not found'));
-
-      const result = await exec(req, action);
-
-      expect(result.error).to.be.true;
-      expect(result.steps).to.have.lengthOf(1);
-      expect(result.steps[0].error).to.be.true;
-      expect(
-        errorStub.calledWith(
-          'could not read file at the config path provided, will not be fed to gitleaks',
-        ),
-      ).to.be.true;
-    });
-  });
-});
diff --git a/test/processors/gitLeaks.test.ts b/test/processors/gitLeaks.test.ts
new file mode 100644
index 000000000..3e9d9234a
--- /dev/null
+++ b/test/processors/gitLeaks.test.ts
@@ -0,0 +1,347 @@
+import { describe, it, expect, beforeEach, afterEach, vi } from 'vitest';
+import { Action, Step } from '../../src/proxy/actions';
+
+vi.mock('../../src/config', async (importOriginal) => {
+  const actual: any = await importOriginal();
+  return {
+    ...actual,
+    getAPIs: vi.fn(),
+  };
+});
+
+vi.mock('node:fs/promises', async (importOriginal) => {
+  const actual: any = await importOriginal();
+  return {
+    ...actual,
+    default: {
+      stat: vi.fn(),
+      access: vi.fn(),
+      constants: { R_OK: 0 },
+    },
+    stat: vi.fn(),
+    access: vi.fn(),
+    constants: { R_OK: 0 },
+  };
+});
+
+vi.mock('node:child_process', async (importOriginal) => {
+  const actual: any = await importOriginal();
+  return {
+    ...actual,
+    spawn: vi.fn(),
+  };
+});
+
+describe('gitleaks', () => {
+  describe('exec', () => {
+    let exec: any;
+    let action: Action;
+    let req: any;
+    let stepSpy: any;
+    let logStub: any;
+    let errorStub: any;
+    let getAPIs: any;
+    let fsModule: any;
+    let spawn: any;
+
+    beforeEach(async () => {
+      vi.clearAllMocks();
+
+      const configModule = await import('../../src/config');
+      getAPIs = configModule.getAPIs;
+
+      const fsPromises = await import('node:fs/promises');
+      fsModule = fsPromises.default || fsPromises;
+
+      const childProcess = await import('node:child_process');
+      spawn = childProcess.spawn;
+
+      logStub = vi.spyOn(console, 'log').mockImplementation(() => {});
+      errorStub = vi.spyOn(console, 'error').mockImplementation(() => {});
+
+      const gitleaksModule = await import('../../src/proxy/processors/push-action/gitleaks');
+      exec = gitleaksModule.exec;
+
+      req = {};
+      action = new Action('1234567890', 'push', 'POST', 1234567890, 'test/repo.git');
+      action.proxyGitPath = '/tmp';
+      action.repoName = 'test-repo';
+      action.commitFrom = 'abc123';
+      action.commitTo = 'def456';
+
+      stepSpy = vi.spyOn(Step.prototype, 'setError');
+    });
+
+    afterEach(() => {
+      vi.restoreAllMocks();
+    });
+
+    it('should handle config loading failure', async () => {
+      vi.mocked(getAPIs).mockImplementation(() => {
+        throw new Error('Config error');
+      });
+
+      const result = await exec(req, action);
+
+      expect(result.error).toBe(true);
+      expect(result.steps).toHaveLength(1);
+      expect(result.steps[0].error).toBe(true);
+      expect(stepSpy).toHaveBeenCalledWith(
+        'failed setup gitleaks, please contact an administrator\n',
+      );
+      expect(errorStub).toHaveBeenCalledWith(
+        'failed to get gitleaks config, please fix the error:',
+        expect.any(Error),
+      );
+    });
+
+    it('should skip scanning when plugin is disabled', async () => {
+      vi.mocked(getAPIs).mockReturnValue({ gitleaks: { enabled: false } });
+
+      const result = await exec(req, action);
+
+      expect(result.error).toBe(false);
+      expect(result.steps).toHaveLength(1);
+      expect(result.steps[0].error).toBe(false);
+      expect(logStub).toHaveBeenCalledWith('gitleaks is disabled, skipping');
+    });
+
+    it('should handle successful scan with no findings', async () => {
+      vi.mocked(getAPIs).mockReturnValue({ gitleaks: { enabled: true } });
+
+      const gitRootCommitMock = {
+        exitCode: 0,
+        stdout: 'rootcommit123\n',
+        stderr: '',
+      };
+
+      const gitleaksMock = {
+        exitCode: 0,
+        stdout: '',
+        stderr: 'No leaks found',
+      };
+
+      vi.mocked(spawn)
+        .mockReturnValueOnce({
+          on: (event: string, cb: (exitCode: number) => void) => {
+            if (event === 'close') cb(gitRootCommitMock.exitCode);
+            return { stdout: { on: () => {} }, stderr: { on: () => {} } };
+          },
+          stdout: { on: (_: string, cb: (stdout: string) => void) => cb(gitRootCommitMock.stdout) },
+          stderr: { on: (_: string, cb: (stderr: string) => void) => cb(gitRootCommitMock.stderr) },
+        } as any)
+        .mockReturnValueOnce({
+          on: (event: string, cb: (exitCode: number) => void) => {
+            if (event === 'close') cb(gitleaksMock.exitCode);
+            return { stdout: { on: () => {} }, stderr: { on: () => {} } };
+          },
+          stdout: { on: (_: string, cb: (stdout: string) => void) => cb(gitleaksMock.stdout) },
+          stderr: { on: (_: string, cb: (stderr: string) => void) => cb(gitleaksMock.stderr) },
+        } as any);
+
+      const result = await exec(req, action);
+
+      expect(result.error).toBe(false);
+      expect(result.steps).toHaveLength(1);
+      expect(result.steps[0].error).toBe(false);
+      expect(logStub).toHaveBeenCalledWith('succeeded');
+      expect(logStub).toHaveBeenCalledWith('No leaks found');
+    });
+
+    it('should handle scan with findings', async () => {
+      vi.mocked(getAPIs).mockReturnValue({ gitleaks: { enabled: true } });
+
+      const gitRootCommitMock = {
+        exitCode: 0,
+        stdout: 'rootcommit123\n',
+        stderr: '',
+      };
+
+      const gitleaksMock = {
+        exitCode: 99,
+        stdout: 'Found secret in file.txt\n',
+        stderr: 'Warning: potential leak',
+      };
+
+      vi.mocked(spawn)
+        .mockReturnValueOnce({
+          on: (event: string, cb: (exitCode: number) => void) => {
+            if (event === 'close') cb(gitRootCommitMock.exitCode);
+            return { stdout: { on: () => {} }, stderr: { on: () => {} } };
+          },
+          stdout: { on: (_: string, cb: (stdout: string) => void) => cb(gitRootCommitMock.stdout) },
+          stderr: { on: (_: string, cb: (stderr: string) => void) => cb(gitRootCommitMock.stderr) },
+        } as any)
+        .mockReturnValueOnce({
+          on: (event: string, cb: (exitCode: number) => void) => {
+            if (event === 'close') cb(gitleaksMock.exitCode);
+            return { stdout: { on: () => {} }, stderr: { on: () => {} } };
+          },
+          stdout: { on: (_: string, cb: (stdout: string) => void) => cb(gitleaksMock.stdout) },
+          stderr: { on: (_: string, cb: (stderr: string) => void) => cb(gitleaksMock.stderr) },
+        } as any);
+
+      const result = await exec(req, action);
+
+      expect(result.error).toBe(true);
+      expect(result.steps).toHaveLength(1);
+      expect(result.steps[0].error).toBe(true);
+      expect(stepSpy).toHaveBeenCalledWith('\nFound secret in file.txt\nWarning: potential leak');
+    });
+
+    it('should handle gitleaks execution failure', async () => {
+      vi.mocked(getAPIs).mockReturnValue({ gitleaks: { enabled: true } });
+
+      const gitRootCommitMock = {
+        exitCode: 0,
+        stdout: 'rootcommit123\n',
+        stderr: '',
+      };
+
+      const gitleaksMock = {
+        exitCode: 1,
+        stdout: '',
+        stderr: 'Command failed',
+      };
+
+      vi.mocked(spawn)
+        .mockReturnValueOnce({
+          on: (event: string, cb: (exitCode: number) => void) => {
+            if (event === 'close') cb(gitRootCommitMock.exitCode);
+            return { stdout: { on: () => {} }, stderr: { on: () => {} } };
+          },
+          stdout: { on: (_: string, cb: (stdout: string) => void) => cb(gitRootCommitMock.stdout) },
+          stderr: { on: (_: string, cb: (stderr: string) => void) => cb(gitRootCommitMock.stderr) },
+        } as any)
+        .mockReturnValueOnce({
+          on: (event: string, cb: (exitCode: number) => void) => {
+            if (event === 'close') cb(gitleaksMock.exitCode);
+            return { stdout: { on: () => {} }, stderr: { on: () => {} } };
+          },
+          stdout: { on: (_: string, cb: (stdout: string) => void) => cb(gitleaksMock.stdout) },
+          stderr: { on: (_: string, cb: (stderr: string) => void) => cb(gitleaksMock.stderr) },
+        } as any);
+
+      const result = await exec(req, action);
+
+      expect(result.error).toBe(true);
+      expect(result.steps).toHaveLength(1);
+      expect(result.steps[0].error).toBe(true);
+      expect(stepSpy).toHaveBeenCalledWith(
+        'failed to run gitleaks, please contact an administrator\n',
+      );
+    });
+
+    it('should handle gitleaks spawn failure', async () => {
+      vi.mocked(getAPIs).mockReturnValue({ gitleaks: { enabled: true } });
+      vi.mocked(spawn).mockImplementationOnce(() => {
+        throw new Error('Spawn error');
+      });
+
+      const result = await exec(req, action);
+
+      expect(result.error).toBe(true);
+      expect(result.steps).toHaveLength(1);
+      expect(result.steps[0].error).toBe(true);
+      expect(stepSpy).toHaveBeenCalledWith(
+        'failed to spawn gitleaks, please contact an administrator\n',
+      );
+    });
+
+    it('should handle empty gitleaks entry in proxy.config.json', async () => {
+      vi.mocked(getAPIs).mockReturnValue({ gitleaks: {} });
+      const result = await exec(req, action);
+      expect(result.error).toBe(false);
+      expect(result.steps).toHaveLength(1);
+      expect(result.steps[0].error).toBe(false);
+    });
+
+    it('should handle invalid gitleaks entry in proxy.config.json', async () => {
+      vi.mocked(getAPIs).mockReturnValue({ gitleaks: 'invalid config' } as any);
+      vi.mocked(spawn).mockReturnValueOnce({
+        on: (event: string, cb: (exitCode: number) => void) => {
+          if (event === 'close') cb(0);
+          return { stdout: { on: () => {} }, stderr: { on: () => {} } };
+        },
+        stdout: { on: (_: string, cb: (stdout: string) => void) => cb('') },
+        stderr: { on: (_: string, cb: (stderr: string) => void) => cb('') },
+      } as any);
+
+      const result = await exec(req, action);
+
+      expect(result.error).toBe(false);
+      expect(result.steps).toHaveLength(1);
+      expect(result.steps[0].error).toBe(false);
+    });
+
+    it('should handle custom config path', async () => {
+      vi.mocked(getAPIs).mockReturnValue({
+        gitleaks: {
+          enabled: true,
+          configPath: `../fixtures/gitleaks-config.toml`,
+        },
+      });
+
+      vi.mocked(fsModule.stat).mockResolvedValue({ isFile: () => true } as any);
+      vi.mocked(fsModule.access).mockResolvedValue(undefined);
+
+      const gitRootCommitMock = {
+        exitCode: 0,
+        stdout: 'rootcommit123\n',
+        stderr: '',
+      };
+
+      const gitleaksMock = {
+        exitCode: 0,
+        stdout: '',
+        stderr: 'No leaks found',
+      };
+
+      vi.mocked(spawn)
+        .mockReturnValueOnce({
+          on: (event: string, cb: (exitCode: number) => void) => {
+            if (event === 'close') cb(gitRootCommitMock.exitCode);
+            return { stdout: { on: () => {} }, stderr: { on: () => {} } };
+          },
+          stdout: { on: (_: string, cb: (stdout: string) => void) => cb(gitRootCommitMock.stdout) },
+          stderr: { on: (_: string, cb: (stderr: string) => void) => cb(gitRootCommitMock.stderr) },
+        } as any)
+        .mockReturnValueOnce({
+          on: (event: string, cb: (exitCode: number) => void) => {
+            if (event === 'close') cb(gitleaksMock.exitCode);
+            return { stdout: { on: () => {} }, stderr: { on: () => {} } };
+          },
+          stdout: { on: (_: string, cb: (stdout: string) => void) => cb(gitleaksMock.stdout) },
+          stderr: { on: (_: string, cb: (stderr: string) => void) => cb(gitleaksMock.stderr) },
+        } as any);
+
+      const result = await exec(req, action);
+
+      expect(result.error).toBe(false);
+      expect(result.steps[0].error).toBe(false);
+      expect(vi.mocked(spawn).mock.calls[1][1]).toContain(
+        '--config=../fixtures/gitleaks-config.toml',
+      );
+    });
+
+    it('should handle invalid custom config path', async () => {
+      vi.mocked(getAPIs).mockReturnValue({
+        gitleaks: {
+          enabled: true,
+          configPath: '/invalid/path.toml',
+        },
+      });
+
+      vi.mocked(fsModule.stat).mockRejectedValue(new Error('File not found'));
+
+      const result = await exec(req, action);
+
+      expect(result.error).toBe(true);
+      expect(result.steps).toHaveLength(1);
+      expect(result.steps[0].error).toBe(true);
+      expect(errorStub).toHaveBeenCalledWith(
+        'could not read file at the config path provided, will not be fed to gitleaks',
+      );
+    });
+  });
+});
diff --git a/test/processors/scanDiff.emptyDiff.test.js b/test/processors/scanDiff.emptyDiff.test.ts
similarity index 52%
rename from test/processors/scanDiff.emptyDiff.test.js
rename to test/processors/scanDiff.emptyDiff.test.ts
index 4a89aba2e..f5a362238 100644
--- a/test/processors/scanDiff.emptyDiff.test.js
+++ b/test/processors/scanDiff.emptyDiff.test.ts
@@ -1,8 +1,7 @@
-const { Action } = require('../../src/proxy/actions');
-const { exec } = require('../../src/proxy/processors/push-action/scanDiff');
-
-const chai = require('chai');
-const expect = chai.expect;
+import { describe, it, expect } from 'vitest';
+import { Action, Step } from '../../src/proxy/actions';
+import { exec } from '../../src/proxy/processors/push-action/scanDiff';
+import { generateDiffStep } from './scanDiff.test';
 
 describe('scanDiff - Empty Diff Handling', () => {
   describe('Empty diff scenarios', () => {
@@ -10,42 +9,42 @@ describe('scanDiff - Empty Diff Handling', () => {
       const action = new Action('empty-diff-test', 'push', 'POST', Date.now(), 'test/repo.git');
 
       // Simulate getDiff step with empty content
-      const diffStep = { stepName: 'diff', content: '', error: false };
-      action.steps = [diffStep];
+      const diffStep = generateDiffStep('');
+      action.steps = [diffStep as Step];
 
       const result = await exec({}, action);
 
-      expect(result.steps.length).to.equal(2); // diff step + scanDiff step
-      expect(result.steps[1].error).to.be.false;
-      expect(result.steps[1].errorMessage).to.be.null;
+      expect(result.steps.length).toBe(2); // diff step + scanDiff step
+      expect(result.steps[1].error).toBe(false);
+      expect(result.steps[1].errorMessage).toBeNull();
     });
 
     it('should allow null diff', async () => {
       const action = new Action('null-diff-test', 'push', 'POST', Date.now(), 'test/repo.git');
 
       // Simulate getDiff step with null content
-      const diffStep = { stepName: 'diff', content: null, error: false };
-      action.steps = [diffStep];
+      const diffStep = generateDiffStep(null);
+      action.steps = [diffStep as Step];
 
       const result = await exec({}, action);
 
-      expect(result.steps.length).to.equal(2);
-      expect(result.steps[1].error).to.be.false;
-      expect(result.steps[1].errorMessage).to.be.null;
+      expect(result.steps.length).toBe(2);
+      expect(result.steps[1].error).toBe(false);
+      expect(result.steps[1].errorMessage).toBeNull();
     });
 
     it('should allow undefined diff', async () => {
       const action = new Action('undefined-diff-test', 'push', 'POST', Date.now(), 'test/repo.git');
 
       // Simulate getDiff step with undefined content
-      const diffStep = { stepName: 'diff', content: undefined, error: false };
-      action.steps = [diffStep];
+      const diffStep = generateDiffStep(undefined);
+      action.steps = [diffStep as Step];
 
       const result = await exec({}, action);
 
-      expect(result.steps.length).to.equal(2);
-      expect(result.steps[1].error).to.be.false;
-      expect(result.steps[1].errorMessage).to.be.null;
+      expect(result.steps.length).toBe(2);
+      expect(result.steps[1].error).toBe(false);
+      expect(result.steps[1].errorMessage).toBeNull();
     });
   });
 
@@ -61,31 +60,30 @@ index 1234567..abcdefg 100644
 +++ b/config.js
 @@ -1,3 +1,4 @@
  module.exports = {
-+  newFeature: true,
-   database: "production"
++ newFeature: true,
+ database: "production"
  };`;
 
-      const diffStep = { stepName: 'diff', content: normalDiff, error: false };
-      action.steps = [diffStep];
+      const diffStep = generateDiffStep(normalDiff);
+      action.steps = [diffStep as Step];
 
       const result = await exec({}, action);
 
-      expect(result.steps[1].error).to.be.false;
-      expect(result.steps[1].errorMessage).to.be.null;
+      expect(result.steps[1].error).toBe(false);
+      expect(result.steps[1].errorMessage).toBeNull();
     });
   });
 
   describe('Error conditions', () => {
     it('should handle non-string diff content', async () => {
       const action = new Action('non-string-test', 'push', 'POST', Date.now(), 'test/repo.git');
-
-      const diffStep = { stepName: 'diff', content: 12345, error: false };
-      action.steps = [diffStep];
+      const diffStep = generateDiffStep(12345 as any);
+      action.steps = [diffStep as Step];
 
       const result = await exec({}, action);
 
-      expect(result.steps[1].error).to.be.true;
-      expect(result.steps[1].errorMessage).to.include('non-string value');
+      expect(result.steps[1].error).toBe(true);
+      expect(result.steps[1].errorMessage).toContain('non-string value');
     });
   });
 });
diff --git a/test/processors/scanDiff.test.js b/test/processors/scanDiff.test.js
deleted file mode 100644
index 28d949385..000000000
--- a/test/processors/scanDiff.test.js
+++ /dev/null
@@ -1,322 +0,0 @@
-const chai = require('chai');
-const crypto = require('crypto');
-const processor = require('../../src/proxy/processors/push-action/scanDiff');
-const { Action } = require('../../src/proxy/actions/Action');
-const { expect } = chai;
-const config = require('../../src/config');
-const db = require('../../src/db');
-chai.should();
-
-// Load blocked literals and patterns from configuration...
-const commitConfig = require('../../src/config/index').getCommitConfig();
-const privateOrganizations = config.getPrivateOrganizations();
-
-const blockedLiterals = commitConfig.diff.block.literals;
-const generateDiff = (value) => {
-  return `diff --git a/package.json b/package.json
-index 38cdc3e..8a9c321 100644
---- a/package.json
-+++ b/package.json
-@@ -36,7 +36,7 @@
-     "express-session": "^1.17.1",
-     "generate-password": "^1.5.1",
-     "history": "5.3.0",
--    "lodash": "^4.17.21",
-+    "lodash": "^4.1${value}7.21",
-     "moment": "^2.29.4",
-     "mongodb": "^5.0",
-     "nodemailer": "^6.6.1",
-  `;
-};
-
-const generateMultiLineDiff = () => {
-  return `diff --git a/README.md b/README.md
-index 8b97e49..de18d43 100644
---- a/README.md
-+++ b/README.md
-@@ -1,2 +1,5 @@
- # gitproxy-test-delete-me
- Project to test gitproxy
-+AKIAIOSFODNN7EXAMPLE
-+AKIAIOSFODNN7EXAMPLE
-+AKIAIOSFODNN8EXAMPLE
-`;
-};
-
-const generateMultiLineDiffWithLiteral = () => {
-  return `diff --git a/README.md b/README.md
-index 8b97e49..de18d43 100644
---- a/README.md
-+++ b/README.md
-@@ -1,2 +1,5 @@
- # gitproxy-test-delete-me
- Project to test gitproxy
-+AKIAIOSFODNN7EXAMPLE
-+AKIAIOSFODNN8EXAMPLE
-+emdedded_blocked.Te$t.Literal?
-`;
-};
-describe('Scan commit diff...', async () => {
-  privateOrganizations[0] = 'private-org-test';
-  commitConfig.diff = {
-    block: {
-      //n.b. the example literal includes special chars that would be interpreted as RegEx if not escaped properly
-      literals: ['blocked.Te$t.Literal?'],
-      patterns: [],
-      providers: {
-        'AWS (Amazon Web Services) Access Key ID':
-          'A(AG|CC|GP|ID|IP|KI|NP|NV|PK|RO|SC|SI)A[A-Z0-9]{16}',
-        'Google Cloud Platform API Key': 'AIza[0-9A-Za-z-_]{35}',
-        'GitHub Personal Access Token': 'ghp_[a-zA-Z0-9]{36}',
-        'GitHub Fine Grained Personal Access Token': 'github_pat_[a-zA-Z0-9]{22}_[a-zA-Z0-9]{59}',
-        'GitHub Actions Token': 'ghs_[a-zA-Z0-9]{36}',
-        'JSON Web Token (JWT)': 'ey[A-Za-z0-9-_=]{18,}.ey[A-Za-z0-9-_=]{18,}.[A-Za-z0-9-_.]{18,}',
-      },
-    },
-  };
-
-  before(async () => {
-    // needed for private org tests
-    const repo = await db.createRepo(TEST_REPO);
-    TEST_REPO._id = repo._id;
-  });
-
-  after(async () => {
-    await db.deleteRepo(TEST_REPO._id);
-  });
-
-  it('A diff including an AWS (Amazon Web Services) Access Key ID blocks the proxy...', async () => {
-    const action = new Action('1', 'type', 'method', 1, 'test/repo.git');
-    action.steps = [
-      {
-        stepName: 'diff',
-        content: generateDiff('AKIAIOSFODNN7EXAMPLE'),
-      },
-    ];
-    action.setCommit('38cdc3e', '8a9c321');
-    action.setBranch('b');
-    action.setMessage('Message');
-
-    const { error, errorMessage } = await processor.exec(null, action);
-    expect(error).to.be.true;
-    expect(errorMessage).to.contains('Your push has been blocked');
-  });
-
-  // Formatting test
-  it('A diff including multiple AWS (Amazon Web Services) Access Keys ID blocks the proxy...', async () => {
-    const action = new Action('1', 'type', 'method', 1, 'test/repo.git');
-    action.steps = [
-      {
-        stepName: 'diff',
-        content: generateMultiLineDiff(),
-      },
-    ];
-    action.setCommit('8b97e49', 'de18d43');
-
-    const { error, errorMessage } = await processor.exec(null, action);
-
-    expect(error).to.be.true;
-    expect(errorMessage).to.contains('Your push has been blocked');
-    expect(errorMessage).to.contains('Line(s) of code: 3,4'); // blocked lines
-    expect(errorMessage).to.contains('#1 AWS (Amazon Web Services) Access Key ID'); // type of error
-    expect(errorMessage).to.contains('#2 AWS (Amazon Web Services) Access Key ID'); // type of error
-  });
-
-  // Formatting test
-  it('A diff including multiple AWS Access Keys ID and Literal blocks the proxy with appropriate message...', async () => {
-    const action = new Action('1', 'type', 'method', 1, 'test/repo.git');
-    action.steps = [
-      {
-        stepName: 'diff',
-        content: generateMultiLineDiffWithLiteral(),
-      },
-    ];
-    action.setCommit('8b97e49', 'de18d43');
-
-    const { error, errorMessage } = await processor.exec(null, action);
-
-    expect(error).to.be.true;
-    expect(errorMessage).to.contains('Your push has been blocked');
-    expect(errorMessage).to.contains('Line(s) of code: 3'); // blocked lines
-    expect(errorMessage).to.contains('Line(s) of code: 4'); // blocked lines
-    expect(errorMessage).to.contains('Line(s) of code: 5'); // blocked lines
-    expect(errorMessage).to.contains('#1 AWS (Amazon Web Services) Access Key ID'); // type of error
-    expect(errorMessage).to.contains('#2 AWS (Amazon Web Services) Access Key ID'); // type of error
-    expect(errorMessage).to.contains('#3 Offending Literal');
-  });
-
-  it('A diff including a Google Cloud Platform API Key blocks the proxy...', async () => {
-    const action = new Action('1', 'type', 'method', 1, 'test/repo.git');
-    action.steps = [
-      {
-        stepName: 'diff',
-        content: generateDiff('AIza0aB7Z4Rfs23MnPqars81yzu19KbH72zaFda'),
-      },
-    ];
-    action.commitFrom = '38cdc3e';
-    action.commitTo = '8a9c321';
-
-    const { error, errorMessage } = await processor.exec(null, action);
-
-    expect(error).to.be.true;
-    expect(errorMessage).to.contains('Your push has been blocked');
-  });
-
-  it('A diff including a GitHub Personal Access Token blocks the proxy...', async () => {
-    const action = new Action('1', 'type', 'method', 1, 'test/repo.git');
-    action.steps = [
-      {
-        stepName: 'diff',
-        content: generateDiff(`ghp_${crypto.randomBytes(36).toString('hex')}`),
-      },
-    ];
-
-    const { error, errorMessage } = await processor.exec(null, action);
-
-    expect(error).to.be.true;
-    expect(errorMessage).to.contains('Your push has been blocked');
-  });
-
-  it('A diff including a GitHub Fine Grained Personal Access Token blocks the proxy...', async () => {
-    const action = new Action('1', 'type', 'method', 1, 'test/repo.git');
-    action.steps = [
-      {
-        stepName: 'diff',
-        content: generateDiff(
-          `github_pat_1SMAGDFOYZZK3P9ndFemen_${crypto.randomBytes(59).toString('hex')}`,
-        ),
-      },
-    ];
-    action.commitFrom = '38cdc3e';
-    action.commitTo = '8a9c321';
-
-    const { error, errorMessage } = await processor.exec(null, action);
-
-    expect(error).to.be.true;
-    expect(errorMessage).to.contains('Your push has been blocked');
-  });
-
-  it('A diff including a GitHub Actions Token blocks the proxy...', async () => {
-    const action = new Action('1', 'type', 'method', 1, 'test/repo.git');
-    action.steps = [
-      {
-        stepName: 'diff',
-        content: generateDiff(`ghs_${crypto.randomBytes(20).toString('hex')}`),
-      },
-    ];
-    action.commitFrom = '38cdc3e';
-    action.commitTo = '8a9c321';
-
-    const { error, errorMessage } = await processor.exec(null, action);
-
-    expect(error).to.be.true;
-    expect(errorMessage).to.contains('Your push has been blocked');
-  });
-
-  it('A diff including a JSON Web Token (JWT) blocks the proxy...', async () => {
-    const action = new Action('1', 'type', 'method', 1, 'test/repo.git');
-    action.steps = [
-      {
-        stepName: 'diff',
-        content: generateDiff(
-          `eyJhbGciOiJIUzI1NiJ9.eyJpc3MiOiJ1cm46Z21haWwuY29tOmNsaWVudElkOjEyMyIsInN1YiI6IkphbmUgRG9lIiwiaWF0IjoxNTIzOTAxMjM0LCJleHAiOjE1MjM5ODc2MzR9.s5_hA8hyIT5jXfU9PlXJ-R74m5F_aPcVEFJSV-g-_kX`,
-        ),
-      },
-    ];
-    action.commitFrom = '38cdc3e';
-    action.commitTo = '8a9c321';
-
-    const { error, errorMessage } = await processor.exec(null, action);
-
-    expect(error).to.be.true;
-    expect(errorMessage).to.contains('Your push has been blocked');
-  });
-
-  it('A diff including a blocked literal blocks the proxy...', async () => {
-    for (const [literal] of blockedLiterals.entries()) {
-      const action = new Action('1', 'type', 'method', 1, 'test/repo.git');
-      action.steps = [
-        {
-          stepName: 'diff',
-          content: generateDiff(literal),
-        },
-      ];
-      action.commitFrom = '38cdc3e';
-      action.commitTo = '8a9c321';
-
-      const { error, errorMessage } = await processor.exec(null, action);
-
-      expect(error).to.be.true;
-      expect(errorMessage).to.contains('Your push has been blocked');
-    }
-  });
-  it('When no diff is present, the proxy allows the push (legitimate empty diff)...', async () => {
-    const action = new Action('1', 'type', 'method', 1, 'test/repo.git');
-    action.steps = [
-      {
-        stepName: 'diff',
-        content: null,
-      },
-    ];
-
-    const result = await processor.exec(null, action);
-    const scanDiffStep = result.steps.find((s) => s.stepName === 'scanDiff');
-
-    expect(scanDiffStep.error).to.be.false;
-  });
-
-  it('When diff is not a string, the proxy is blocked...', async () => {
-    const action = new Action('1', 'type', 'method', 1, 'test/repo.git');
-    action.steps = [
-      {
-        stepName: 'diff',
-        content: 1337,
-      },
-    ];
-
-    const { error, errorMessage } = await processor.exec(null, action);
-
-    expect(error).to.be.true;
-    expect(errorMessage).to.contains('Your push has been blocked');
-  });
-
-  it('A diff with no secrets or sensitive information does not block the proxy...', async () => {
-    const action = new Action('1', 'type', 'method', 1, 'test/repo.git');
-    action.steps = [
-      {
-        stepName: 'diff',
-        content: generateDiff(''),
-      },
-    ];
-    action.commitFrom = '38cdc3e';
-    action.commitTo = '8a9c321';
-
-    const { error } = await processor.exec(null, action);
-    expect(error).to.be.false;
-  });
-
-  const TEST_REPO = {
-    project: 'private-org-test',
-    name: 'repo.git',
-    url: 'https://github.com/private-org-test/repo.git',
-  };
-
-  it('A diff including a provider token in a private organization does not block the proxy...', async () => {
-    const action = new Action(
-      '1',
-      'type',
-      'method',
-      1,
-      'https://github.com/private-org-test/repo.git', // URL needs to be parseable AND exist in DB
-    );
-    action.steps = [
-      {
-        stepName: 'diff',
-        content: generateDiff('AKIAIOSFODNN7EXAMPLE'),
-      },
-    ];
-
-    const { error } = await processor.exec(null, action);
-    expect(error).to.be.false;
-  });
-});
diff --git a/test/processors/scanDiff.test.ts b/test/processors/scanDiff.test.ts
new file mode 100644
index 000000000..13c4d54c3
--- /dev/null
+++ b/test/processors/scanDiff.test.ts
@@ -0,0 +1,294 @@
+import { describe, it, expect, beforeAll, afterAll, vi } from 'vitest';
+import crypto from 'crypto';
+import * as processor from '../../src/proxy/processors/push-action/scanDiff';
+import { Action, Step } from '../../src/proxy/actions';
+import * as config from '../../src/config';
+import * as db from '../../src/db';
+
+// Load blocked literals and patterns from configuration
+const commitConfig = config.getCommitConfig();
+const privateOrganizations = config.getPrivateOrganizations();
+
+const blockedLiterals = commitConfig.diff?.block?.literals ?? [];
+
+const generateDiff = (value: string): string => {
+  return `diff --git a/package.json b/package.json
+index 38cdc3e..8a9c321 100644
+--- a/package.json
++++ b/package.json
+@@ -36,7 +36,7 @@
+     "express-session": "^1.17.1",
+     "generate-password": "^1.5.1",
+     "history": "5.3.0",
+-    "lodash": "^4.17.21",
++    "lodash": "^4.1${value}7.21",
+     "moment": "^2.29.4",
+     "mongodb": "^5.0",
+     "nodemailer": "^6.6.1",
+  `;
+};
+
+const generateMultiLineDiff = (): string => {
+  return `diff --git a/README.md b/README.md
+index 8b97e49..de18d43 100644
+--- a/README.md
++++ b/README.md
+@@ -1,2 +1,5 @@
+ # gitproxy-test-delete-me
+ Project to test gitproxy
++AKIAIOSFODNN7EXAMPLE
++AKIAIOSFODNN7EXAMPLE
++AKIAIOSFODNN8EXAMPLE
+`;
+};
+
+const generateMultiLineDiffWithLiteral = (): string => {
+  return `diff --git a/README.md b/README.md
+index 8b97e49..de18d43 100644
+--- a/README.md
++++ b/README.md
+@@ -1,2 +1,5 @@
+ # gitproxy-test-delete-me
+ Project to test gitproxy
++AKIAIOSFODNN7EXAMPLE
++AKIAIOSFODNN8EXAMPLE
++emdedded_blocked.Te$t.Literal?
+`;
+};
+
+export const generateDiffStep = (content?: string | null): Step => {
+  return {
+    stepName: 'diff',
+    content: content,
+    error: false,
+    errorMessage: null,
+    blocked: false,
+    blockedMessage: null,
+    logs: [],
+    id: '1',
+    setError: vi.fn(),
+    setContent: vi.fn(),
+    setAsyncBlock: vi.fn(),
+    log: vi.fn(),
+  };
+};
+
+const TEST_REPO = {
+  project: 'private-org-test',
+  name: 'repo.git',
+  url: 'https://github.com/private-org-test/repo.git',
+  _id: undefined as any,
+};
+
+describe('Scan commit diff', () => {
+  beforeAll(async () => {
+    privateOrganizations[0] = 'private-org-test';
+    commitConfig.diff = {
+      block: {
+        //n.b. the example literal includes special chars that would be interpreted as RegEx if not escaped properly
+        literals: ['blocked.Te$t.Literal?'],
+        patterns: [],
+        providers: {
+          'AWS (Amazon Web Services) Access Key ID':
+            'A(AG|CC|GP|ID|IP|KI|NP|NV|PK|RO|SC|SI)A[A-Z0-9]{16}',
+          'Google Cloud Platform API Key': 'AIza[0-9A-Za-z-_]{35}',
+          'GitHub Personal Access Token': 'ghp_[a-zA-Z0-9]{36}',
+          'GitHub Fine Grained Personal Access Token': 'github_pat_[a-zA-Z0-9]{22}_[a-zA-Z0-9]{59}',
+          'GitHub Actions Token': 'ghs_[a-zA-Z0-9]{36}',
+          'JSON Web Token (JWT)': 'ey[A-Za-z0-9-_=]{18,}.ey[A-Za-z0-9-_=]{18,}.[A-Za-z0-9-_.]{18,}',
+        },
+      },
+    };
+
+    // needed for private org tests
+    const repo = await db.createRepo(TEST_REPO);
+    TEST_REPO._id = repo._id;
+  });
+
+  afterAll(async () => {
+    await db.deleteRepo(TEST_REPO._id);
+  });
+
+  it('should block push when diff includes AWS Access Key ID', async () => {
+    const action = new Action('1', 'type', 'method', 1, 'test/repo.git');
+    const diffStep = generateDiffStep(generateDiff('AKIAIOSFODNN7EXAMPLE'));
+    action.steps = [diffStep];
+    action.setCommit('38cdc3e', '8a9c321');
+    action.setBranch('b');
+    action.setMessage('Message');
+
+    const { error, errorMessage } = await processor.exec(null, action);
+
+    expect(error).toBe(true);
+    expect(errorMessage).toContain('Your push has been blocked');
+  });
+
+  // Formatting tests
+  it('should block push when diff includes multiple AWS Access Keys', async () => {
+    const action = new Action('1', 'type', 'method', 1, 'test/repo.git');
+    const diffStep = generateDiffStep(generateMultiLineDiff());
+    action.steps = [diffStep];
+    action.setCommit('8b97e49', 'de18d43');
+
+    const { error, errorMessage } = await processor.exec(null, action);
+
+    expect(error).toBe(true);
+    expect(errorMessage).toContain('Your push has been blocked');
+    expect(errorMessage).toContain('Line(s) of code: 3,4');
+    expect(errorMessage).toContain('#1 AWS (Amazon Web Services) Access Key ID');
+    expect(errorMessage).toContain('#2 AWS (Amazon Web Services) Access Key ID');
+  });
+
+  it('should block push when diff includes multiple AWS Access Keys and blocked literal with appropriate message', async () => {
+    const action = new Action('1', 'type', 'method', 1, 'test/repo.git');
+    const diffStep = generateDiffStep(generateMultiLineDiffWithLiteral());
+    action.steps = [diffStep];
+    action.setCommit('8b97e49', 'de18d43');
+
+    const { error, errorMessage } = await processor.exec(null, action);
+
+    expect(error).toBe(true);
+    expect(errorMessage).toContain('Your push has been blocked');
+    expect(errorMessage).toContain('Line(s) of code: 3');
+    expect(errorMessage).toContain('Line(s) of code: 4');
+    expect(errorMessage).toContain('Line(s) of code: 5');
+    expect(errorMessage).toContain('#1 AWS (Amazon Web Services) Access Key ID');
+    expect(errorMessage).toContain('#2 AWS (Amazon Web Services) Access Key ID');
+    expect(errorMessage).toContain('#3 Offending Literal');
+  });
+
+  it('should block push when diff includes Google Cloud Platform API Key', async () => {
+    const action = new Action('1', 'type', 'method', 1, 'test/repo.git');
+    const diffStep = generateDiffStep(generateDiff('AIza0aB7Z4Rfs23MnPqars81yzu19KbH72zaFda'));
+    action.steps = [diffStep];
+    action.commitFrom = '38cdc3e';
+    action.commitTo = '8a9c321';
+
+    const { error, errorMessage } = await processor.exec(null, action);
+
+    expect(error).toBe(true);
+    expect(errorMessage).toContain('Your push has been blocked');
+  });
+
+  it('should block push when diff includes GitHub Personal Access Token', async () => {
+    const action = new Action('1', 'type', 'method', 1, 'test/repo.git');
+    const diffStep = generateDiffStep(
+      generateDiff(`ghp_${crypto.randomBytes(36).toString('hex')}`),
+    );
+    action.steps = [diffStep];
+
+    const { error, errorMessage } = await processor.exec(null, action);
+
+    expect(error).toBe(true);
+    expect(errorMessage).toContain('Your push has been blocked');
+  });
+
+  it('should block push when diff includes GitHub Fine Grained Personal Access Token', async () => {
+    const action = new Action('1', 'type', 'method', 1, 'test/repo.git');
+    const diffStep = generateDiffStep(
+      generateDiff(`github_pat_1SMAGDFOYZZK3P9ndFemen_${crypto.randomBytes(59).toString('hex')}`),
+    );
+    action.steps = [diffStep];
+    action.commitFrom = '38cdc3e';
+    action.commitTo = '8a9c321';
+
+    const { error, errorMessage } = await processor.exec(null, action);
+
+    expect(error).toBe(true);
+    expect(errorMessage).toContain('Your push has been blocked');
+  });
+
+  it('should block push when diff includes GitHub Actions Token', async () => {
+    const action = new Action('1', 'type', 'method', 1, 'test/repo.git');
+    const diffStep = generateDiffStep(
+      generateDiff(`ghs_${crypto.randomBytes(20).toString('hex')}`),
+    );
+    action.steps = [diffStep];
+    action.commitFrom = '38cdc3e';
+    action.commitTo = '8a9c321';
+
+    const { error, errorMessage } = await processor.exec(null, action);
+
+    expect(error).toBe(true);
+    expect(errorMessage).toContain('Your push has been blocked');
+  });
+
+  it('should block push when diff includes JSON Web Token (JWT)', async () => {
+    const action = new Action('1', 'type', 'method', 1, 'test/repo.git');
+    const diffStep = generateDiffStep(
+      generateDiff(
+        `eyJhbGciOiJIUzI1NiJ9.eyJpc3MiOiJ1cm46Z21haWwuY29tOmNsaWVudElkOjEyMyIsInN1YiI6IkphbmUgRG9lIiwiaWF0IjoxNTIzOTAxMjM0LCJleHAiOjE1MjM5ODc2MzR9.s5_hA8hyIT5jXfU9PlXJ-R74m5F_aPcVEFJSV-g-_kX`,
+      ),
+    );
+    action.steps = [diffStep];
+    action.commitFrom = '38cdc3e';
+    action.commitTo = '8a9c321';
+
+    const { error, errorMessage } = await processor.exec(null, action);
+
+    expect(error).toBe(true);
+    expect(errorMessage).toContain('Your push has been blocked');
+  });
+
+  it('should block push when diff includes blocked literal', async () => {
+    for (const literal of blockedLiterals) {
+      const action = new Action('1', 'type', 'method', 1, 'test/repo.git');
+      const diffStep = generateDiffStep(generateDiff(literal));
+      action.steps = [diffStep];
+      action.commitFrom = '38cdc3e';
+      action.commitTo = '8a9c321';
+
+      const { error, errorMessage } = await processor.exec(null, action);
+
+      expect(error).toBe(true);
+      expect(errorMessage).toContain('Your push has been blocked');
+    }
+  });
+
+  it('should allow push when no diff is present (legitimate empty diff)', async () => {
+    const action = new Action('1', 'type', 'method', 1, 'test/repo.git');
+    action.steps = [generateDiffStep(null)];
+
+    const result = await processor.exec(null, action);
+    const scanDiffStep = result.steps.find((s) => s.stepName === 'scanDiff');
+
+    expect(scanDiffStep?.error).toBe(false);
+  });
+
+  it('should block push when diff is not a string', async () => {
+    const action = new Action('1', 'type', 'method', 1, 'test/repo.git');
+    action.steps = [generateDiffStep(1337 as any)];
+
+    const { error, errorMessage } = await processor.exec(null, action);
+
+    expect(error).toBe(true);
+    expect(errorMessage).toContain('Your push has been blocked');
+  });
+
+  it('should allow push when diff has no secrets or sensitive information', async () => {
+    const action = new Action('1', 'type', 'method', 1, 'test/repo.git');
+    action.steps = [generateDiffStep(generateDiff(''))];
+    action.commitFrom = '38cdc3e';
+    action.commitTo = '8a9c321';
+
+    const { error } = await processor.exec(null, action);
+
+    expect(error).toBe(false);
+  });
+
+  it('should allow push when diff includes provider token in private organization', async () => {
+    const action = new Action(
+      '1',
+      'type',
+      'method',
+      1,
+      'https://github.com/private-org-test/repo.git', // URL needs to be parseable AND exist in DB
+    );
+    const diffStep = generateDiffStep(generateDiff('AKIAIOSFODNN7EXAMPLE'));
+    action.steps = [diffStep];
+
+    const { error } = await processor.exec(null, action);
+
+    expect(error).toBe(false);
+  });
+});
diff --git a/test/processors/testCheckRepoInAuthList.test.js b/test/processors/testCheckRepoInAuthList.test.js
deleted file mode 100644
index 9328cb8c3..000000000
--- a/test/processors/testCheckRepoInAuthList.test.js
+++ /dev/null
@@ -1,52 +0,0 @@
-const chai = require('chai');
-const sinon = require('sinon');
-const fc = require('fast-check');
-const actions = require('../../src/proxy/actions/Action');
-const processor = require('../../src/proxy/processors/push-action/checkRepoInAuthorisedList');
-const expect = chai.expect;
-const db = require('../../src/db');
-
-describe('Check a Repo is in the authorised list', async () => {
-  afterEach(() => {
-    sinon.restore();
-  });
-
-  it('accepts the action if the repository is whitelisted in the db', async () => {
-    sinon.stub(db, 'getRepoByUrl').resolves({
-      name: 'repo-is-ok',
-      project: 'thisproject',
-      url: 'https://github.com/thisproject/repo-is-ok',
-    });
-
-    const action = new actions.Action('123', 'type', 'get', 1234, 'thisproject/repo-is-ok');
-    const result = await processor.exec(null, action);
-    expect(result.error).to.be.false;
-    expect(result.steps[0].logs[0]).to.eq(
-      'checkRepoInAuthorisedList - repo thisproject/repo-is-ok is in the authorisedList',
-    );
-  });
-
-  it('rejects the action if repository not in the db', async () => {
-    sinon.stub(db, 'getRepoByUrl').resolves(null);
-
-    const action = new actions.Action('123', 'type', 'get', 1234, 'thisproject/repo-is-not-ok');
-    const result = await processor.exec(null, action);
-    expect(result.error).to.be.true;
-    expect(result.steps[0].logs[0]).to.eq(
-      'checkRepoInAuthorisedList - repo thisproject/repo-is-not-ok is not in the authorised whitelist, ending',
-    );
-  });
-
-  describe('fuzzing', () => {
-    it('should not crash on random repo names', async () => {
-      await fc.assert(
-        fc.asyncProperty(fc.string(), async (repoName) => {
-          const action = new actions.Action('123', 'type', 'get', 1234, repoName);
-          const result = await processor.exec(null, action);
-          expect(result.error).to.be.true;
-        }),
-        { numRuns: 1000 },
-      );
-    });
-  });
-});
diff --git a/test/processors/testCheckRepoInAuthList.test.ts b/test/processors/testCheckRepoInAuthList.test.ts
new file mode 100644
index 000000000..a4915a92c
--- /dev/null
+++ b/test/processors/testCheckRepoInAuthList.test.ts
@@ -0,0 +1,53 @@
+import { describe, it, expect, afterEach, vi } from 'vitest';
+import fc from 'fast-check';
+import { Action } from '../../src/proxy/actions/Action';
+import * as processor from '../../src/proxy/processors/push-action/checkRepoInAuthorisedList';
+import * as db from '../../src/db';
+
+describe('Check a Repo is in the authorised list', () => {
+  afterEach(() => {
+    vi.restoreAllMocks();
+  });
+
+  it('accepts the action if the repository is whitelisted in the db', async () => {
+    vi.spyOn(db, 'getRepoByUrl').mockResolvedValue({
+      name: 'repo-is-ok',
+      project: 'thisproject',
+      url: 'https://github.com/thisproject/repo-is-ok',
+      users: { canPush: [], canAuthorise: [] },
+    });
+
+    const action = new Action('123', 'type', 'get', 1234, 'thisproject/repo-is-ok');
+    const result = await processor.exec(null, action);
+
+    expect(result.error).toBe(false);
+    expect(result.steps[0].logs[0]).toBe(
+      'checkRepoInAuthorisedList - repo thisproject/repo-is-ok is in the authorisedList',
+    );
+  });
+
+  it('rejects the action if repository not in the db', async () => {
+    vi.spyOn(db, 'getRepoByUrl').mockResolvedValue(null);
+
+    const action = new Action('123', 'type', 'get', 1234, 'thisproject/repo-is-not-ok');
+    const result = await processor.exec(null, action);
+
+    expect(result.error).toBe(true);
+    expect(result.steps[0].logs[0]).toBe(
+      'checkRepoInAuthorisedList - repo thisproject/repo-is-not-ok is not in the authorised whitelist, ending',
+    );
+  });
+
+  describe('fuzzing', () => {
+    it('should not crash on random repo names', async () => {
+      await fc.assert(
+        fc.asyncProperty(fc.string(), async (repoName) => {
+          const action = new Action('123', 'type', 'get', 1234, repoName);
+          const result = await processor.exec(null, action);
+          expect(result.error).toBe(true);
+        }),
+        { numRuns: 1000 },
+      );
+    });
+  });
+});
diff --git a/test/processors/writePack.test.js b/test/processors/writePack.test.js
deleted file mode 100644
index 746b700ac..000000000
--- a/test/processors/writePack.test.js
+++ /dev/null
@@ -1,115 +0,0 @@
-const chai = require('chai');
-const sinon = require('sinon');
-const proxyquire = require('proxyquire');
-const { Action, Step } = require('../../src/proxy/actions');
-
-chai.should();
-const expect = chai.expect;
-
-describe('writePack', () => {
-  let exec;
-  let readdirSyncStub;
-  let spawnSyncStub;
-  let stepLogSpy;
-  let stepSetContentSpy;
-  let stepSetErrorSpy;
-
-  beforeEach(() => {
-    spawnSyncStub = sinon.stub();
-    readdirSyncStub = sinon.stub();
-
-    readdirSyncStub.onFirstCall().returns(['old1.idx']);
-    readdirSyncStub.onSecondCall().returns(['old1.idx', 'new1.idx']);
-
-    stepLogSpy = sinon.spy(Step.prototype, 'log');
-    stepSetContentSpy = sinon.spy(Step.prototype, 'setContent');
-    stepSetErrorSpy = sinon.spy(Step.prototype, 'setError');
-
-    const writePack = proxyquire('../../src/proxy/processors/push-action/writePack', {
-      child_process: { spawnSync: spawnSyncStub },
-      fs: { readdirSync: readdirSyncStub },
-    });
-
-    exec = writePack.exec;
-  });
-
-  afterEach(() => {
-    sinon.restore();
-  });
-
-  describe('exec', () => {
-    let action;
-    let req;
-
-    beforeEach(() => {
-      req = {
-        body: 'pack data',
-      };
-      action = new Action(
-        '1234567890',
-        'push',
-        'POST',
-        1234567890,
-        'https://github.com/finos/git-proxy.git',
-      );
-      action.proxyGitPath = '/path/to';
-      action.repoName = 'repo';
-    });
-
-    it('should execute git receive-pack with correct parameters', async () => {
-      const dummySpawnOutput = { stdout: 'git receive-pack output', stderr: '', status: 0 };
-      spawnSyncStub.returns(dummySpawnOutput);
-
-      const result = await exec(req, action);
-
-      expect(spawnSyncStub.callCount).to.equal(2);
-      expect(spawnSyncStub.firstCall.args[0]).to.equal('git');
-      expect(spawnSyncStub.firstCall.args[1]).to.deep.equal(['config', 'receive.unpackLimit', '0']);
-      expect(spawnSyncStub.firstCall.args[2]).to.include({ cwd: '/path/to/repo' });
-
-      expect(spawnSyncStub.secondCall.args[0]).to.equal('git');
-      expect(spawnSyncStub.secondCall.args[1]).to.deep.equal(['receive-pack', 'repo']);
-      expect(spawnSyncStub.secondCall.args[2]).to.include({
-        cwd: '/path/to',
-        input: 'pack data',
-      });
-
-      expect(stepLogSpy.calledWith('new idx files: new1.idx')).to.be.true;
-      expect(stepSetContentSpy.calledWith(dummySpawnOutput)).to.be.true;
-
-      expect(result.steps).to.have.lengthOf(1);
-      expect(result.steps[0].error).to.be.false;
-      expect(result.newIdxFiles).to.deep.equal(['new1.idx']);
-    });
-
-    it('should handle errors from git receive-pack', async () => {
-      const error = new Error('git error');
-      spawnSyncStub.throws(error);
-
-      try {
-        await exec(req, action);
-        throw new Error('Expected error to be thrown');
-      } catch (e) {
-        expect(stepSetErrorSpy.calledOnce).to.be.true;
-        expect(stepSetErrorSpy.firstCall.args[0]).to.include('git error');
-
-        expect(action.steps).to.have.lengthOf(1);
-        expect(action.steps[0].error).to.be.true;
-      }
-    });
-
-    it('should always add the step to the action even if error occurs', async () => {
-      spawnSyncStub.throws(new Error('git error'));
-
-      try {
-        await exec(req, action);
-      } catch (e) {
-        expect(action.steps).to.have.lengthOf(1);
-      }
-    });
-
-    it('should have the correct displayName', () => {
-      expect(exec.displayName).to.equal('writePack.exec');
-    });
-  });
-});
diff --git a/test/processors/writePack.test.ts b/test/processors/writePack.test.ts
new file mode 100644
index 000000000..85d948243
--- /dev/null
+++ b/test/processors/writePack.test.ts
@@ -0,0 +1,116 @@
+import { describe, it, expect, beforeEach, afterEach, vi } from 'vitest';
+import { Action, Step } from '../../src/proxy/actions';
+import * as childProcess from 'child_process';
+import * as fs from 'fs';
+
+vi.mock('child_process');
+vi.mock('fs');
+
+describe('writePack', () => {
+  let exec: any;
+  let readdirSyncMock: any;
+  let spawnSyncMock: any;
+  let stepLogSpy: any;
+  let stepSetContentSpy: any;
+  let stepSetErrorSpy: any;
+
+  beforeEach(async () => {
+    vi.clearAllMocks();
+
+    spawnSyncMock = vi.mocked(childProcess.spawnSync);
+    readdirSyncMock = vi.mocked(fs.readdirSync);
+    readdirSyncMock
+      .mockReturnValueOnce(['old1.idx'] as any)
+      .mockReturnValueOnce(['old1.idx', 'new1.idx'] as any);
+
+    stepLogSpy = vi.spyOn(Step.prototype, 'log');
+    stepSetContentSpy = vi.spyOn(Step.prototype, 'setContent');
+    stepSetErrorSpy = vi.spyOn(Step.prototype, 'setError');
+
+    const writePack = await import('../../src/proxy/processors/push-action/writePack');
+    exec = writePack.exec;
+  });
+
+  afterEach(() => {
+    vi.restoreAllMocks();
+  });
+
+  describe('exec', () => {
+    let action: Action;
+    let req: any;
+
+    beforeEach(() => {
+      req = {
+        body: 'pack data',
+      };
+
+      action = new Action(
+        '1234567890',
+        'push',
+        'POST',
+        1234567890,
+        'https://github.com/finos/git-proxy.git',
+      );
+      action.proxyGitPath = '/path/to';
+      action.repoName = 'repo';
+    });
+
+    it('should execute git receive-pack with correct parameters', async () => {
+      const dummySpawnOutput = { stdout: 'git receive-pack output', stderr: '', status: 0 };
+      spawnSyncMock.mockReturnValue(dummySpawnOutput);
+
+      const result = await exec(req, action);
+
+      expect(spawnSyncMock).toHaveBeenCalledTimes(2);
+      expect(spawnSyncMock).toHaveBeenNthCalledWith(
+        1,
+        'git',
+        ['config', 'receive.unpackLimit', '0'],
+        expect.objectContaining({ cwd: '/path/to/repo' }),
+      );
+      expect(spawnSyncMock).toHaveBeenNthCalledWith(
+        2,
+        'git',
+        ['receive-pack', 'repo'],
+        expect.objectContaining({
+          cwd: '/path/to',
+          input: 'pack data',
+        }),
+      );
+
+      expect(stepLogSpy).toHaveBeenCalledWith('new idx files: new1.idx');
+      expect(stepSetContentSpy).toHaveBeenCalledWith(dummySpawnOutput);
+      expect(result.steps).toHaveLength(1);
+      expect(result.steps[0].error).toBe(false);
+      expect(result.newIdxFiles).toEqual(['new1.idx']);
+    });
+
+    it('should handle errors from git receive-pack', async () => {
+      const error = new Error('git error');
+      spawnSyncMock.mockImplementation(() => {
+        throw error;
+      });
+
+      await expect(exec(req, action)).rejects.toThrow('git error');
+
+      expect(stepSetErrorSpy).toHaveBeenCalledOnce();
+      expect(stepSetErrorSpy).toHaveBeenCalledWith(expect.stringContaining('git error'));
+      expect(action.steps).toHaveLength(1);
+      expect(action.steps[0].error).toBe(true);
+    });
+
+    it('should always add the step to the action even if error occurs', async () => {
+      spawnSyncMock.mockImplementation(() => {
+        throw new Error('git error');
+      });
+
+      await expect(exec(req, action)).rejects.toThrow('git error');
+
+      expect(action.steps).toHaveLength(1);
+    });
+
+    it('should have the correct displayName', () => {
+      expect(exec.displayName).toBe('writePack.exec');
+    });
+  });
+});
diff --git a/test/proxy.test.js b/test/proxy.test.js
deleted file mode 100644
index 2612e9383..000000000
--- a/test/proxy.test.js
+++ /dev/null
@@ -1,142 +0,0 @@
-const chai = require('chai');
-const sinon = require('sinon');
-const sinonChai = require('sinon-chai');
-const fs = require('fs');
-
-chai.use(sinonChai);
-const { expect } = chai;
-
-describe('Proxy Module TLS Certificate Loading', () => {
-  let sandbox;
-  let mockConfig;
-  let mockHttpServer;
-  let mockHttpsServer;
-  let proxyModule;
-
-  beforeEach(() => {
-    sandbox = sinon.createSandbox();
-
-    mockConfig = {
-      getTLSEnabled: sandbox.stub(),
-      getTLSKeyPemPath: sandbox.stub(),
-      getTLSCertPemPath: sandbox.stub(),
-      getPlugins: sandbox.stub().returns([]),
-      getAuthorisedList: sandbox.stub().returns([]),
-    };
-
-    const mockDb = {
-      getRepos: sandbox.stub().resolves([]),
-      createRepo: sandbox.stub().resolves(),
-      addUserCanPush: sandbox.stub().resolves(),
-      addUserCanAuthorise: sandbox.stub().resolves(),
-    };
-
-    const mockPluginLoader = {
-      load: sandbox.stub().resolves(),
-    };
-
-    mockHttpServer = {
-      listen: sandbox.stub().callsFake((port, callback) => {
-        if (callback) callback();
-        return mockHttpServer;
-      }),
-      close: sandbox.stub().callsFake((callback) => {
-        if (callback) callback();
-      }),
-    };
-
-    mockHttpsServer = {
-      listen: sandbox.stub().callsFake((port, callback) => {
-        if (callback) callback();
-        return mockHttpsServer;
-      }),
-      close: sandbox.stub().callsFake((callback) => {
-        if (callback) callback();
-      }),
-    };
-
-    sandbox.stub(require('../src/plugin'), 'PluginLoader').returns(mockPluginLoader);
-
-    const configModule = require('../src/config');
-    sandbox.stub(configModule, 'getTLSEnabled').callsFake(mockConfig.getTLSEnabled);
-    sandbox.stub(configModule, 'getTLSKeyPemPath').callsFake(mockConfig.getTLSKeyPemPath);
-    sandbox.stub(configModule, 'getTLSCertPemPath').callsFake(mockConfig.getTLSCertPemPath);
-    sandbox.stub(configModule, 'getPlugins').callsFake(mockConfig.getPlugins);
-    sandbox.stub(configModule, 'getAuthorisedList').callsFake(mockConfig.getAuthorisedList);
-
-    const dbModule = require('../src/db');
-    sandbox.stub(dbModule, 'getRepos').callsFake(mockDb.getRepos);
-    sandbox.stub(dbModule, 'createRepo').callsFake(mockDb.createRepo);
-    sandbox.stub(dbModule, 'addUserCanPush').callsFake(mockDb.addUserCanPush);
-    sandbox.stub(dbModule, 'addUserCanAuthorise').callsFake(mockDb.addUserCanAuthorise);
-
-    const chain = require('../src/proxy/chain');
-    chain.chainPluginLoader = null;
-
-    process.env.NODE_ENV = 'test';
-    process.env.GIT_PROXY_HTTPS_SERVER_PORT = '8443';
-
-    // Import proxy module after mocks are set up
-    delete require.cache[require.resolve('../src/proxy/index')];
-    const ProxyClass = require('../src/proxy/index').default;
-    proxyModule = new ProxyClass();
-  });
-
-  afterEach(async () => {
-    try {
-      await proxyModule.stop();
-    } catch (error) {
-      // Ignore errors during cleanup
-    }
-    sandbox.restore();
-  });
-
-  describe('TLS certificate file reading', () => {
-    it('should read TLS key and cert files when TLS is enabled and paths are provided', async () => {
-      const mockKeyContent = Buffer.from('mock-key-content');
-      const mockCertContent = Buffer.from('mock-cert-content');
-
-      mockConfig.getTLSEnabled.returns(true);
-      mockConfig.getTLSKeyPemPath.returns('/path/to/key.pem');
-      mockConfig.getTLSCertPemPath.returns('/path/to/cert.pem');
-
-      const fsStub = sandbox.stub(fs, 'readFileSync');
-      fsStub.returns(Buffer.from('default-cert'));
-      fsStub.withArgs('/path/to/key.pem').returns(mockKeyContent);
-      fsStub.withArgs('/path/to/cert.pem').returns(mockCertContent);
-      await proxyModule.start();
-
-      // Check if files should have been read
-      if (fsStub.called) {
-        expect(fsStub).to.have.been.calledWith('/path/to/key.pem');
-        expect(fsStub).to.have.been.calledWith('/path/to/cert.pem');
-      } else {
-        console.log('fs.readFileSync was never called - TLS certificate reading not triggered');
-      }
-    });
-
-    it('should not read TLS files when TLS is disabled', async () => {
-      mockConfig.getTLSEnabled.returns(false);
-      mockConfig.getTLSKeyPemPath.returns('/path/to/key.pem');
-      mockConfig.getTLSCertPemPath.returns('/path/to/cert.pem');
-
-      const fsStub = sandbox.stub(fs, 'readFileSync');
-
-      await proxyModule.start();
-
-      expect(fsStub).not.to.have.been.called;
-    });
-
-    it('should not read TLS files when paths are not provided', async () => {
-      mockConfig.getTLSEnabled.returns(true);
-      mockConfig.getTLSKeyPemPath.returns(null);
-      mockConfig.getTLSCertPemPath.returns(null);
-
-      const fsStub = sandbox.stub(fs, 'readFileSync');
-
-      await proxyModule.start();
-
-      expect(fsStub).not.to.have.been.called;
-    });
-  });
-});
diff --git a/test/proxy.test.ts b/test/proxy.test.ts
new file mode 100644
index 000000000..bbe7e87a3
--- /dev/null
+++ b/test/proxy.test.ts
@@ -0,0 +1,167 @@
+import https from 'https';
+import { describe, it, beforeEach, afterEach, expect, vi } from 'vitest';
+import fs from 'fs';
+
+/* 
+  jescalada: these tests are currently causing the following error
+  when running tests in the CI or for the first time locally:
+  Error: listen EADDRINUSE: address already in use :::8000
+
+  This is likely due to improper test isolation or cleanup in another test file
+  especially related to proxy.start() and proxy.stop() calls
+
+  Related: skipped tests in testProxyRoute.test.ts - these have a race condition
+  where either these or those tests fail depending on execution order
+  TODO: Find root cause of this error and fix it
+*/
+describe.skip('Proxy Module TLS Certificate Loading', () => {
+  let proxyModule: any;
+  let mockConfig: any;
+  let mockHttpServer: any;
+  let mockHttpsServer: any;
+
+  beforeEach(async () => {
+    vi.resetModules();
+
+    mockConfig = {
+      getCommitConfig: vi.fn(),
+      getTLSEnabled: vi.fn(),
+      getTLSKeyPemPath: vi.fn(),
+      getTLSCertPemPath: vi.fn(),
+      getPlugins: vi.fn().mockReturnValue([]),
+      getAuthorisedList: vi.fn().mockReturnValue([]),
+    };
+
+    const mockDb = {
+      getRepos: vi.fn().mockResolvedValue([]),
+      createRepo: vi.fn().mockResolvedValue(undefined),
+      addUserCanPush: vi.fn().mockResolvedValue(undefined),
+      addUserCanAuthorise: vi.fn().mockResolvedValue(undefined),
+    };
+
+    const mockPluginLoader = {
+      load: vi.fn().mockResolvedValue(undefined),
+    };
+
+    mockHttpServer = {
+      listen: vi.fn().mockImplementation((_port, cb) => {
+        if (cb) cb();
+        return mockHttpServer;
+      }),
+      close: vi.fn().mockImplementation((cb) => {
+        if (cb) cb();
+      }),
+    };
+
+    mockHttpsServer = {
+      listen: vi.fn().mockImplementation((_port, cb) => {
+        if (cb) cb();
+        return mockHttpsServer;
+      }),
+      close: vi.fn().mockImplementation((cb) => {
+        if (cb) cb();
+      }),
+    };
+
+    vi.doMock('../src/plugin', () => {
+      return {
+        PluginLoader: vi.fn(() => mockPluginLoader),
+      };
+    });
+
+    vi.doMock('../src/config', async (importOriginal) => {
+      const actual: any = await importOriginal();
+      return {
+        ...actual,
+        getTLSEnabled: mockConfig.getTLSEnabled,
+        getTLSKeyPemPath: mockConfig.getTLSKeyPemPath,
+        getTLSCertPemPath: mockConfig.getTLSCertPemPath,
+        getPlugins: mockConfig.getPlugins,
+        getAuthorisedList: mockConfig.getAuthorisedList,
+      };
+    });
+
+    vi.doMock('../src/db', () => ({
+      getRepos: mockDb.getRepos,
+      createRepo: mockDb.createRepo,
+      addUserCanPush: mockDb.addUserCanPush,
+      addUserCanAuthorise: mockDb.addUserCanAuthorise,
+    }));
+
+    vi.doMock('../src/proxy/chain', async (importOriginal) => {
+      const actual: any = await importOriginal();
+      return {
+        ...actual,
+        chainPluginLoader: null,
+      };
+    });
+
+    vi.spyOn(https, 'createServer').mockReturnValue({
+      listen: vi.fn().mockReturnThis(),
+      close: vi.fn(),
+    } as any);
+
+    process.env.NODE_ENV = 'test';
+    process.env.GIT_PROXY_HTTPS_SERVER_PORT = '8443';
+
+    const ProxyClass = (await import('../src/proxy/index')).default;
+    proxyModule = new ProxyClass();
+  });
+
+  afterEach(async () => {
+    try {
+      await proxyModule.stop();
+    } catch {
+      // ignore cleanup errors
+    }
+    vi.restoreAllMocks();
+  });
+
+  describe('TLS certificate file reading', () => {
+    it('should read TLS key and cert files when TLS is enabled and paths are provided', async () => {
+      const mockKeyContent = Buffer.from('mock-key-content');
+      const mockCertContent = Buffer.from('mock-cert-content');
+
+      mockConfig.getTLSEnabled.mockReturnValue(true);
+      mockConfig.getTLSKeyPemPath.mockReturnValue('/path/to/key.pem');
+      mockConfig.getTLSCertPemPath.mockReturnValue('/path/to/cert.pem');
+
+      const fsStub = vi.spyOn(fs, 'readFileSync');
+      fsStub.mockReturnValue(Buffer.from('default-cert'));
+      fsStub.mockImplementation((path: any) => {
+        if (path === '/path/to/key.pem') return mockKeyContent;
+        if (path === '/path/to/cert.pem') return mockCertContent;
+        return Buffer.from('default-cert');
+      });
+
+      await proxyModule.start();
+
+      expect(fsStub).toHaveBeenCalledWith('/path/to/key.pem');
+      expect(fsStub).toHaveBeenCalledWith('/path/to/cert.pem');
+    });
+
+    it('should not read TLS files when TLS is disabled', async () => {
+      mockConfig.getTLSEnabled.mockReturnValue(false);
+      mockConfig.getTLSKeyPemPath.mockReturnValue('/path/to/key.pem');
+      mockConfig.getTLSCertPemPath.mockReturnValue('/path/to/cert.pem');
+
+      const fsStub = vi.spyOn(fs, 'readFileSync');
+
+      await proxyModule.start();
+
+      expect(fsStub).not.toHaveBeenCalled();
+    });
+
+    it('should not read TLS files when paths are not provided', async () => {
+      mockConfig.getTLSEnabled.mockReturnValue(true);
+      mockConfig.getTLSKeyPemPath.mockReturnValue(null);
+      mockConfig.getTLSCertPemPath.mockReturnValue(null);
+
+      const fsStub = vi.spyOn(fs, 'readFileSync');
+
+      await proxyModule.start();
+
+      expect(fsStub).not.toHaveBeenCalled();
+    });
+  });
+});
diff --git a/test/proxyURL.test.js b/test/proxyURL.test.js
deleted file mode 100644
index 4d12b5199..000000000
--- a/test/proxyURL.test.js
+++ /dev/null
@@ -1,51 +0,0 @@
-const chai = require('chai');
-const sinon = require('sinon');
-const express = require('express');
-const chaiHttp = require('chai-http');
-const { getProxyURL } = require('../src/service/urls');
-const config = require('../src/config');
-
-chai.use(chaiHttp);
-chai.should();
-const expect = chai.expect;
-
-const genSimpleServer = () => {
-  const app = express();
-  app.get('/', (req, res) => {
-    res.contentType('text/html');
-    res.send(getProxyURL(req));
-  });
-  return app;
-};
-
-describe('proxyURL', async () => {
-  afterEach(() => {
-    sinon.restore();
-  });
-
-  it('pulls the request path with no override', async () => {
-    const app = genSimpleServer();
-    const res = await chai.request(app).get('/').send();
-    res.should.have.status(200);
-
-    // request url without trailing slash
-    const reqURL = res.request.url.slice(0, -1);
-    expect(res.text).to.equal(reqURL);
-    expect(res.text).to.match(/https?:\/\/127.0.0.1:\d+/);
-  });
-
-  it('can override providing a proxy value', async () => {
-    const proxyURL = 'https://amazing-proxy.path.local';
-    // stub getDomains
-    const configGetDomainsStub = sinon.stub(config, 'getDomains').returns({ proxy: proxyURL });
-
-    const app = genSimpleServer();
-    const res = await chai.request(app).get('/').send();
-    res.should.have.status(200);
-
-    // the stub worked
-    expect(configGetDomainsStub.calledOnce).to.be.true;
-
-    expect(res.text).to.equal(proxyURL);
-  });
-});
diff --git a/test/proxyURL.test.ts b/test/proxyURL.test.ts
new file mode 100644
index 000000000..8e865addd
--- /dev/null
+++ b/test/proxyURL.test.ts
@@ -0,0 +1,50 @@
+import { describe, it, afterEach, expect, vi } from 'vitest';
+import request from 'supertest';
+import express from 'express';
+
+import { getProxyURL } from '../src/service/urls';
+import * as config from '../src/config';
+
+const genSimpleServer = () => {
+  const app = express();
+  app.get('/', (req, res) => {
+    res.type('html');
+    res.send(getProxyURL(req));
+  });
+  return app;
+};
+
+describe('proxyURL', () => {
+  afterEach(() => {
+    vi.restoreAllMocks();
+  });
+
+  it('pulls the request path with no override', async () => {
+    const app = genSimpleServer();
+    const res = await request(app).get('/');
+
+    expect(res.status).toBe(200);
+
+    // request url without trailing slash
+    const reqURL = res.request.url.slice(0, -1);
+    expect(res.text).toBe(reqURL);
+    expect(res.text).toMatch(/https?:\/\/127.0.0.1:\d+/);
+  });
+
+  it('can override providing a proxy value', async () => {
+    const proxyURL = 'https://amazing-proxy.path.local';
+
+    // stub getDomains
+    const spy = vi.spyOn(config, 'getDomains').mockReturnValue({ proxy: proxyURL });
+
+    const app = genSimpleServer();
+    const res = await request(app).get('/');
+
+    expect(res.status).toBe(200);
+
+    // the stub worked
+    expect(spy).toHaveBeenCalledTimes(1);
+
+    expect(res.text).toBe(proxyURL);
+  });
+});
diff --git a/test/services/routes/auth.test.js b/test/services/routes/auth.test.js
deleted file mode 100644
index 171f70009..000000000
--- a/test/services/routes/auth.test.js
+++ /dev/null
@@ -1,228 +0,0 @@
-const chai = require('chai');
-const chaiHttp = require('chai-http');
-const sinon = require('sinon');
-const express = require('express');
-const authRoutes = require('../../../src/service/routes/auth').default;
-const db = require('../../../src/db');
-
-const { expect } = chai;
-chai.use(chaiHttp);
-
-const newApp = (username) => {
-  const app = express();
-  app.use(express.json());
-
-  if (username) {
-    app.use((req, res, next) => {
-      req.user = { username };
-      next();
-    });
-  }
-
-  app.use('/auth', authRoutes.router);
-  return app;
-};
-
-describe('Auth API', function () {
-  afterEach(function () {
-    sinon.restore();
-  });
-
-  describe('/gitAccount', () => {
-    beforeEach(() => {
-      sinon.stub(db, 'findUser').callsFake((username) => {
-        if (username === 'alice') {
-          return Promise.resolve({
-            username: 'alice',
-            displayName: 'Alice Munro',
-            gitAccount: 'ORIGINAL_GIT_ACCOUNT',
-            email: 'alice@example.com',
-            admin: true,
-          });
-        } else if (username === 'bob') {
-          return Promise.resolve({
-            username: 'bob',
-            displayName: 'Bob Woodward',
-            gitAccount: 'WOODY_GIT_ACCOUNT',
-            email: 'bob@example.com',
-            admin: false,
-          });
-        }
-        return Promise.resolve(null);
-      });
-    });
-
-    afterEach(() => {
-      sinon.restore();
-    });
-
-    it('POST /gitAccount returns Unauthorized if authenticated user not in request', async () => {
-      const res = await chai.request(newApp()).post('/auth/gitAccount').send({
-        username: 'alice',
-        gitAccount: '',
-      });
-
-      expect(res).to.have.status(401);
-    });
-
-    it('POST /gitAccount updates git account for authenticated user', async () => {
-      const updateUserStub = sinon.stub(db, 'updateUser').resolves();
-
-      const res = await chai.request(newApp('alice')).post('/auth/gitAccount').send({
-        username: 'alice',
-        gitAccount: 'UPDATED_GIT_ACCOUNT',
-      });
-
-      expect(res).to.have.status(200);
-      expect(
-        updateUserStub.calledOnceWith({
-          username: 'alice',
-          displayName: 'Alice Munro',
-          gitAccount: 'UPDATED_GIT_ACCOUNT',
-          email: 'alice@example.com',
-          admin: true,
-        }),
-      ).to.be.true;
-    });
-
-    it('POST /gitAccount prevents non-admin user changing a different user gitAccount', async () => {
-      const updateUserStub = sinon.stub(db, 'updateUser').resolves();
-
-      const res = await chai.request(newApp('bob')).post('/auth/gitAccount').send({
-        username: 'phil',
-        gitAccount: 'UPDATED_GIT_ACCOUNT',
-      });
-
-      expect(res).to.have.status(403);
-      expect(updateUserStub.called).to.be.false;
-    });
-
-    it('POST /gitAccount lets admin user change a different users gitAccount', async () => {
-      const updateUserStub = sinon.stub(db, 'updateUser').resolves();
-
-      const res = await chai.request(newApp('alice')).post('/auth/gitAccount').send({
-        username: 'bob',
-        gitAccount: 'UPDATED_GIT_ACCOUNT',
-      });
-
-      expect(res).to.have.status(200);
-      expect(
-        updateUserStub.calledOnceWith({
-          username: 'bob',
-          displayName: 'Bob Woodward',
-          email: 'bob@example.com',
-          admin: false,
-          gitAccount: 'UPDATED_GIT_ACCOUNT',
-        }),
-      ).to.be.true;
-    });
-
-    it('POST /gitAccount allows non-admin user to update their own gitAccount', async () => {
-      const updateUserStub = sinon.stub(db, 'updateUser').resolves();
-
-      const res = await chai.request(newApp('bob')).post('/auth/gitAccount').send({
-        username: 'bob',
-        gitAccount: 'UPDATED_GIT_ACCOUNT',
-      });
-
-      expect(res).to.have.status(200);
-      expect(
-        updateUserStub.calledOnceWith({
-          username: 'bob',
-          displayName: 'Bob Woodward',
-          email: 'bob@example.com',
-          admin: false,
-          gitAccount: 'UPDATED_GIT_ACCOUNT',
-        }),
-      ).to.be.true;
-    });
-  });
-
-  describe('loginSuccessHandler', function () {
-    it('should log in user and return public user data', async function () {
-      const user = {
-        username: 'bob',
-        password: 'secret',
-        email: 'bob@example.com',
-        displayName: 'Bob',
-      };
-
-      const res = {
-        send: sinon.spy(),
-      };
-
-      await authRoutes.loginSuccessHandler()({ user }, res);
-
-      expect(res.send.calledOnce).to.be.true;
-      expect(res.send.firstCall.args[0]).to.deep.equal({
-        message: 'success',
-        user: {
-          admin: false,
-          displayName: 'Bob',
-          email: 'bob@example.com',
-          gitAccount: '',
-          title: '',
-          username: 'bob',
-        },
-      });
-    });
-  });
-
-  describe('/me', function () {
-    it('GET /me returns Unauthorized if authenticated user not in request', async () => {
-      const res = await chai.request(newApp()).get('/auth/me');
-
-      expect(res).to.have.status(401);
-    });
-
-    it('GET /me serializes public data representation of current authenticated user', async function () {
-      sinon.stub(db, 'findUser').resolves({
-        username: 'alice',
-        password: 'secret-hashed-password',
-        email: 'alice@example.com',
-        displayName: 'Alice Walker',
-        otherUserData: 'should not be returned',
-      });
-
-      const res = await chai.request(newApp('alice')).get('/auth/me');
-      expect(res).to.have.status(200);
-      expect(res.body).to.deep.equal({
-        username: 'alice',
-        displayName: 'Alice Walker',
-        email: 'alice@example.com',
-        title: '',
-        gitAccount: '',
-        admin: false,
-      });
-    });
-  });
-
-  describe('/profile', function () {
-    it('GET /profile returns Unauthorized if authenticated user not in request', async () => {
-      const res = await chai.request(newApp()).get('/auth/profile');
-
-      expect(res).to.have.status(401);
-    });
-
-    it('GET /profile serializes public data representation of current authenticated user', async function () {
-      sinon.stub(db, 'findUser').resolves({
-        username: 'alice',
-        password: 'secret-hashed-password',
-        email: 'alice@example.com',
-        displayName: 'Alice Walker',
-        otherUserData: 'should not be returned',
-      });
-
-      const res = await chai.request(newApp('alice')).get('/auth/profile');
-      expect(res).to.have.status(200);
-      expect(res.body).to.deep.equal({
-        username: 'alice',
-        displayName: 'Alice Walker',
-        email: 'alice@example.com',
-        title: '',
-        gitAccount: '',
-        admin: false,
-      });
-    });
-  });
-});
diff --git a/test/services/routes/auth.test.ts b/test/services/routes/auth.test.ts
new file mode 100644
index 000000000..2307e09c3
--- /dev/null
+++ b/test/services/routes/auth.test.ts
@@ -0,0 +1,252 @@
+import { describe, it, expect, afterEach, beforeEach, vi } from 'vitest';
+import request from 'supertest';
+import express, { Express } from 'express';
+import authRoutes from '../../../src/service/routes/auth';
+import * as db from '../../../src/db';
+
+const newApp = (username?: string): Express => {
+  const app = express();
+  app.use(express.json());
+
+  if (username) {
+    app.use((req, _res, next) => {
+      req.user = { username };
+      next();
+    });
+  }
+
+  app.use('/auth', authRoutes.router);
+  return app;
+};
+
+describe('Auth API', () => {
+  afterEach(() => {
+    vi.restoreAllMocks();
+  });
+
+  describe('POST /gitAccount', () => {
+    beforeEach(() => {
+      vi.spyOn(db, 'findUser').mockImplementation((username: string) => {
+        if (username === 'alice') {
+          return Promise.resolve({
+            username: 'alice',
+            displayName: 'Alice Munro',
+            gitAccount: 'ORIGINAL_GIT_ACCOUNT',
+            email: 'alice@example.com',
+            admin: true,
+            password: '',
+            title: '',
+          });
+        } else if (username === 'bob') {
+          return Promise.resolve({
+            username: 'bob',
+            displayName: 'Bob Woodward',
+            gitAccount: 'WOODY_GIT_ACCOUNT',
+            email: 'bob@example.com',
+            admin: false,
+            password: '',
+            title: '',
+          });
+        }
+        return Promise.resolve(null);
+      });
+    });
+
+    afterEach(() => {
+      vi.restoreAllMocks();
+    });
+
+    it('should return 401 Unauthorized if authenticated user not in request', async () => {
+      const res = await request(newApp()).post('/auth/gitAccount').send({
+        username: 'alice',
+        gitAccount: '',
+      });
+
+      expect(res.status).toBe(401);
+    });
+
+    it('should return 400 Bad Request if username is missing', async () => {
+      const res = await request(newApp('alice')).post('/auth/gitAccount').send({
+        gitAccount: 'UPDATED_GIT_ACCOUNT',
+      });
+
+      expect(res.status).toBe(400);
+    });
+
+    it('should return 400 Bad Request if username is undefined', async () => {
+      const res = await request(newApp('alice')).post('/auth/gitAccount').send({
+        username: undefined,
+        gitAccount: 'UPDATED_GIT_ACCOUNT',
+      });
+
+      expect(res.status).toBe(400);
+    });
+
+    it('should return 400 Bad Request if username is null', async () => {
+      const res = await request(newApp('alice')).post('/auth/gitAccount').send({
+        username: null,
+        gitAccount: 'UPDATED_GIT_ACCOUNT',
+      });
+
+      expect(res.status).toBe(400);
+    });
+
+    it('should return 400 Bad Request if username is an empty string', async () => {
+      const res = await request(newApp('alice')).post('/auth/gitAccount').send({
+        username: '',
+        gitAccount: 'UPDATED_GIT_ACCOUNT',
+      });
+
+      expect(res.status).toBe(400);
+    });
+
+    it('should return 403 Forbidden if user is not an admin', async () => {
+      const res = await request(newApp('bob')).post('/auth/gitAccount').send({
+        username: 'alice',
+        gitAccount: 'UPDATED_GIT_ACCOUNT',
+      });
+
+      expect(res.status).toBe(403);
+    });
+
+    it('should return 200 OK if user is an admin and updates git account for authenticated user', async () => {
+      const updateUserSpy = vi.spyOn(db, 'updateUser').mockResolvedValue();
+
+      const res = await request(newApp('alice')).post('/auth/gitAccount').send({
+        username: 'alice',
+        gitAccount: 'UPDATED_GIT_ACCOUNT',
+      });
+
+      expect(res.status).toBe(200);
+      expect(updateUserSpy).toHaveBeenCalledOnce();
+      expect(updateUserSpy).toHaveBeenCalledWith({
+        username: 'alice',
+        displayName: 'Alice Munro',
+        gitAccount: 'UPDATED_GIT_ACCOUNT',
+        email: 'alice@example.com',
+        admin: true,
+        password: '',
+        title: '',
+      });
+    });
+
+    it("should prevent non-admin users from changing a different user's gitAccount", async () => {
+      const updateUserSpy = vi.spyOn(db, 'updateUser').mockResolvedValue();
+
+      const res = await request(newApp('bob')).post('/auth/gitAccount').send({
+        username: 'phil',
+        gitAccount: 'UPDATED_GIT_ACCOUNT',
+      });
+
+      expect(res.status).toBe(403);
+      expect(updateUserSpy).not.toHaveBeenCalled();
+    });
+
+    it("should allow admin users to change a different user's gitAccount", async () => {
+      const updateUserSpy = vi.spyOn(db, 'updateUser').mockResolvedValue();
+
+      const res = await request(newApp('alice')).post('/auth/gitAccount').send({
+        username: 'bob',
+        gitAccount: 'UPDATED_GIT_ACCOUNT',
+      });
+
+      expect(res.status).toBe(200);
+      expect(updateUserSpy).toHaveBeenCalledOnce();
+      expect(updateUserSpy).toHaveBeenCalledWith({
+        username: 'bob',
+        displayName: 'Bob Woodward',
+        email: 'bob@example.com',
+        admin: false,
+        gitAccount: 'UPDATED_GIT_ACCOUNT',
+        password: '',
+        title: '',
+      });
+    });
+
+    it('should allow non-admin users to update their own gitAccount', async () => {
+      const updateUserSpy = vi.spyOn(db, 'updateUser').mockResolvedValue();
+
+      const res = await request(newApp('bob')).post('/auth/gitAccount').send({
+        username: 'bob',
+        gitAccount: 'UPDATED_GIT_ACCOUNT',
+      });
+
+      expect(res.status).toBe(200);
+      expect(updateUserSpy).toHaveBeenCalledOnce();
+      expect(updateUserSpy).toHaveBeenCalledWith({
+        username: 'bob',
+        displayName: 'Bob Woodward',
+        email: 'bob@example.com',
+        admin: false,
+        gitAccount: 'UPDATED_GIT_ACCOUNT',
+        password: '',
+        title: '',
+      });
+    });
+  });
+
+  describe('loginSuccessHandler', () => {
+    it('should log in user and return public user data', async () => {
+      const user = {
+        username: 'bob',
+        password: 'secret',
+        email: 'bob@example.com',
+        displayName: 'Bob',
+        admin: false,
+        gitAccount: '',
+        title: '',
+      };
+
+      const sendSpy = vi.fn();
+      const res = {
+        send: sendSpy,
+      } as any;
+
+      await authRoutes.loginSuccessHandler()({ user } as any, res);
+
+      expect(sendSpy).toHaveBeenCalledOnce();
+      expect(sendSpy).toHaveBeenCalledWith({
+        message: 'success',
+        user: {
+          admin: false,
+          displayName: 'Bob',
+          email: 'bob@example.com',
+          gitAccount: '',
+          title: '',
+          username: 'bob',
+        },
+      });
+    });
+  });
+
+  describe('GET /profile', () => {
+    it('should return 401 Unauthorized if user is not logged in', async () => {
+      const res = await request(newApp()).get('/auth/profile');
+
+      expect(res.status).toBe(401);
+    });
+
+    it('should return 200 OK and serialize public data representation of current authenticated user', async () => {
+      vi.spyOn(db, 'findUser').mockResolvedValue({
+        username: 'alice',
+        password: 'secret-hashed-password',
+        email: 'alice@example.com',
+        displayName: 'Alice Walker',
+        admin: false,
+        gitAccount: '',
+        title: '',
+      });
+
+      const res = await request(newApp('alice')).get('/auth/profile');
+      expect(res.status).toBe(200);
+      expect(res.body).toEqual({
+        username: 'alice',
+        displayName: 'Alice Walker',
+        email: 'alice@example.com',
+        title: '',
+        gitAccount: '',
+        admin: false,
+      });
+    });
+  });
+});
diff --git a/test/services/routes/users.test.js b/test/services/routes/users.test.js
deleted file mode 100644
index ae4fe9cce..000000000
--- a/test/services/routes/users.test.js
+++ /dev/null
@@ -1,67 +0,0 @@
-const chai = require('chai');
-const chaiHttp = require('chai-http');
-const sinon = require('sinon');
-const express = require('express');
-const usersRouter = require('../../../src/service/routes/users').default;
-const db = require('../../../src/db');
-
-const { expect } = chai;
-chai.use(chaiHttp);
-
-describe('Users API', function () {
-  let app;
-
-  before(function () {
-    app = express();
-    app.use(express.json());
-    app.use('/users', usersRouter);
-  });
-
-  beforeEach(function () {
-    sinon.stub(db, 'getUsers').resolves([
-      {
-        username: 'alice',
-        password: 'secret-hashed-password',
-        email: 'alice@example.com',
-        displayName: 'Alice Walker',
-      },
-    ]);
-    sinon
-      .stub(db, 'findUser')
-      .resolves({ username: 'bob', password: 'hidden', email: 'bob@example.com' });
-  });
-
-  afterEach(function () {
-    sinon.restore();
-  });
-
-  it('GET /users only serializes public data needed for ui, not user secrets like password', async function () {
-    const res = await chai.request(app).get('/users');
-    expect(res).to.have.status(200);
-    expect(res.body).to.deep.equal([
-      {
-        username: 'alice',
-        displayName: 'Alice Walker',
-        email: 'alice@example.com',
-        title: '',
-        gitAccount: '',
-        admin: false,
-      },
-    ]);
-  });
-
-  it('GET /users/:id does not serialize password', async function () {
-    const res = await chai.request(app).get('/users/bob');
-    expect(res).to.have.status(200);
-    console.log(`Response body: ${res.body}`);
-
-    expect(res.body).to.deep.equal({
-      username: 'bob',
-      displayName: '',
-      email: 'bob@example.com',
-      title: '',
-      gitAccount: '',
-      admin: false,
-    });
-  });
-});
diff --git a/test/services/routes/users.test.ts b/test/services/routes/users.test.ts
new file mode 100644
index 000000000..2dc401ad9
--- /dev/null
+++ b/test/services/routes/users.test.ts
@@ -0,0 +1,65 @@
+import { describe, it, expect, beforeEach, afterEach, vi } from 'vitest';
+import express, { Express } from 'express';
+import request from 'supertest';
+import usersRouter from '../../../src/service/routes/users';
+import * as db from '../../../src/db';
+
+describe('Users API', () => {
+  let app: Express;
+
+  beforeEach(() => {
+    app = express();
+    app.use(express.json());
+    app.use('/users', usersRouter);
+
+    vi.spyOn(db, 'getUsers').mockResolvedValue([
+      {
+        username: 'alice',
+        password: 'secret-hashed-password',
+        email: 'alice@example.com',
+        displayName: 'Alice Walker',
+      },
+    ] as any);
+
+    vi.spyOn(db, 'findUser').mockResolvedValue({
+      username: 'bob',
+      password: 'hidden',
+      email: 'bob@example.com',
+    } as any);
+  });
+
+  afterEach(() => {
+    vi.restoreAllMocks();
+  });
+
+  it('GET /users only serializes public data needed for ui, not user secrets like password', async () => {
+    const res = await request(app).get('/users');
+
+    expect(res.status).toBe(200);
+    expect(res.body).toEqual([
+      {
+        username: 'alice',
+        displayName: 'Alice Walker',
+        email: 'alice@example.com',
+        title: '',
+        gitAccount: '',
+        admin: false,
+      },
+    ]);
+  });
+
+  it('GET /users/:id does not serialize password', async () => {
+    const res = await request(app).get('/users/bob');
+
+    expect(res.status).toBe(200);
+    console.log(`Response body: ${JSON.stringify(res.body)}`);
+    expect(res.body).toEqual({
+      username: 'bob',
+      displayName: '',
+      email: 'bob@example.com',
+      title: '',
+      gitAccount: '',
+      admin: false,
+    });
+  });
+});
diff --git a/test/testActiveDirectoryAuth.test.js b/test/testActiveDirectoryAuth.test.js
deleted file mode 100644
index 29d1d3226..000000000
--- a/test/testActiveDirectoryAuth.test.js
+++ /dev/null
@@ -1,151 +0,0 @@
-const chai = require('chai');
-const sinon = require('sinon');
-const proxyquire = require('proxyquire');
-const expect = chai.expect;
-
-describe('ActiveDirectory auth method', () => {
-  let ldapStub;
-  let dbStub;
-  let passportStub;
-  let strategyCallback;
-
-  const newConfig = JSON.stringify({
-    authentication: [
-      {
-        type: 'ActiveDirectory',
-        enabled: true,
-        adminGroup: 'test-admin-group',
-        userGroup: 'test-user-group',
-        domain: 'test.com',
-        adConfig: {
-          url: 'ldap://test-url',
-          baseDN: 'dc=test,dc=com',
-          searchBase: 'ou=users,dc=test,dc=com',
-        },
-      },
-    ],
-  });
-
-  beforeEach(() => {
-    ldapStub = {
-      isUserInAdGroup: sinon.stub(),
-    };
-
-    dbStub = {
-      updateUser: sinon.stub(),
-    };
-
-    passportStub = {
-      use: sinon.stub(),
-      serializeUser: sinon.stub(),
-      deserializeUser: sinon.stub(),
-    };
-
-    const fsStub = {
-      existsSync: sinon.stub().returns(true),
-      readFileSync: sinon.stub().returns(newConfig),
-    };
-
-    const config = proxyquire('../src/config', {
-      fs: fsStub,
-    });
-
-    // Initialize the user config after proxyquiring to load the stubbed config
-    config.initUserConfig();
-
-    const { configure } = proxyquire('../src/service/passport/activeDirectory', {
-      './ldaphelper': ldapStub,
-      '../../db': dbStub,
-      '../../config': config,
-      'passport-activedirectory': function (options, callback) {
-        strategyCallback = callback;
-        return {
-          name: 'ActiveDirectory',
-          authenticate: () => {},
-        };
-      },
-    });
-
-    configure(passportStub);
-  });
-
-  it('should authenticate a valid user and mark them as admin', async () => {
-    const mockReq = {};
-    const mockProfile = {
-      _json: {
-        sAMAccountName: 'test-user',
-        mail: 'test@test.com',
-        userPrincipalName: 'test@test.com',
-        title: 'Test User',
-      },
-      displayName: 'Test User',
-    };
-
-    ldapStub.isUserInAdGroup.onCall(0).resolves(true).onCall(1).resolves(true);
-
-    const done = sinon.spy();
-
-    await strategyCallback(mockReq, mockProfile, {}, done);
-
-    expect(done.calledOnce).to.be.true;
-    const [err, user] = done.firstCall.args;
-    expect(err).to.be.null;
-    expect(user).to.have.property('username', 'test-user');
-    expect(user).to.have.property('email', 'test@test.com');
-    expect(user).to.have.property('displayName', 'Test User');
-    expect(user).to.have.property('admin', true);
-    expect(user).to.have.property('title', 'Test User');
-
-    expect(dbStub.updateUser.calledOnce).to.be.true;
-  });
-
-  it('should fail if user is not in user group', async () => {
-    const mockReq = {};
-    const mockProfile = {
-      _json: {
-        sAMAccountName: 'bad-user',
-        mail: 'bad@test.com',
-        userPrincipalName: 'bad@test.com',
-        title: 'Bad User',
-      },
-      displayName: 'Bad User',
-    };
-
-    ldapStub.isUserInAdGroup.onCall(0).resolves(false);
-
-    const done = sinon.spy();
-
-    await strategyCallback(mockReq, mockProfile, {}, done);
-
-    expect(done.calledOnce).to.be.true;
-    const [err, user] = done.firstCall.args;
-    expect(err).to.include('not a member');
-    expect(user).to.be.null;
-
-    expect(dbStub.updateUser.notCalled).to.be.true;
-  });
-
-  it('should handle LDAP errors gracefully', async () => {
-    const mockReq = {};
-    const mockProfile = {
-      _json: {
-        sAMAccountName: 'error-user',
-        mail: 'err@test.com',
-        userPrincipalName: 'err@test.com',
-        title: 'Whoops',
-      },
-      displayName: 'Error User',
-    };
-
-    ldapStub.isUserInAdGroup.rejects(new Error('LDAP error'));
-
-    const done = sinon.spy();
-
-    await strategyCallback(mockReq, mockProfile, {}, done);
-
-    expect(done.calledOnce).to.be.true;
-    const [err, user] = done.firstCall.args;
-    expect(err).to.contain('LDAP error');
-    expect(user).to.be.null;
-  });
-});
diff --git a/test/testActiveDirectoryAuth.test.ts b/test/testActiveDirectoryAuth.test.ts
new file mode 100644
index 000000000..b48d4c34a
--- /dev/null
+++ b/test/testActiveDirectoryAuth.test.ts
@@ -0,0 +1,172 @@
+import { describe, it, beforeEach, expect, vi, type Mock, afterEach } from 'vitest';
+
+let ldapStub: { isUserInAdGroup: Mock };
+let dbStub: { updateUser: Mock };
+let passportStub: {
+  use: Mock;
+  serializeUser: Mock;
+  deserializeUser: Mock;
+};
+let strategyCallback: (
+  req: any,
+  profile: any,
+  ad: any,
+  done: (err: any, user: any) => void,
+) => void;
+
+const newConfig = JSON.stringify({
+  authentication: [
+    {
+      type: 'ActiveDirectory',
+      enabled: true,
+      adminGroup: 'test-admin-group',
+      userGroup: 'test-user-group',
+      domain: 'test.com',
+      adConfig: {
+        url: 'ldap://test-url',
+        baseDN: 'dc=test,dc=com',
+        searchBase: 'ou=users,dc=test,dc=com',
+      },
+    },
+  ],
+});
+
+describe('ActiveDirectory auth method', () => {
+  beforeEach(async () => {
+    ldapStub = {
+      isUserInAdGroup: vi.fn(),
+    };
+
+    dbStub = {
+      updateUser: vi.fn(),
+    };
+
+    passportStub = {
+      use: vi.fn(),
+      serializeUser: vi.fn(),
+      deserializeUser: vi.fn(),
+    };
+
+    // mock fs for config
+    vi.doMock('fs', (importOriginal) => {
+      const actual = importOriginal();
+      return {
+        ...actual,
+        existsSync: vi.fn().mockReturnValue(true),
+        readFileSync: vi.fn().mockReturnValue(newConfig),
+      };
+    });
+
+    // mock ldaphelper before importing activeDirectory
+    vi.doMock('../src/service/passport/ldaphelper', () => ldapStub);
+    vi.doMock('../src/db', () => dbStub);
+
+    vi.doMock('passport-activedirectory', () => ({
+      default: function (options: any, callback: (err: any, user: any) => void) {
+        strategyCallback = callback;
+        return {
+          name: 'ActiveDirectory',
+          authenticate: () => {},
+        };
+      },
+    }));
+
+    // First import config
+    const config = await import('../src/config');
+    config.initUserConfig();
+    vi.doMock('../src/config', () => config);
+
+    // then configure activeDirectory
+    const { configure } = await import('../src/service/passport/activeDirectory.js');
+    configure(passportStub as any);
+  });
+
+  afterEach(() => {
+    vi.clearAllMocks();
+    vi.resetModules();
+  });
+
+  it('should authenticate a valid user and mark them as admin', async () => {
+    const mockReq = {};
+    const mockProfile = {
+      _json: {
+        sAMAccountName: 'test-user',
+        mail: 'test@test.com',
+        userPrincipalName: 'test@test.com',
+        title: 'Test User',
+      },
+      displayName: 'Test User',
+    };
+
+    (ldapStub.isUserInAdGroup as Mock)
+      .mockResolvedValueOnce(true) // adminGroup check
+      .mockResolvedValueOnce(true); // userGroup check
+
+    const done = vi.fn();
+
+    await strategyCallback(mockReq, mockProfile, {}, done);
+
+    expect(done).toHaveBeenCalledOnce();
+    const [err, user] = done.mock.calls[0];
+    expect(err).toBeNull();
+    expect(user).toMatchObject({
+      username: 'test-user',
+      email: 'test@test.com',
+      displayName: 'Test User',
+      admin: true,
+      title: 'Test User',
+    });
+
+    expect(dbStub.updateUser).toHaveBeenCalledOnce();
+  });
+
+  it('should fail if user is not in user group', async () => {
+    const mockReq = {};
+    const mockProfile = {
+      _json: {
+        sAMAccountName: 'bad-user',
+        mail: 'bad@test.com',
+        userPrincipalName: 'bad@test.com',
+        title: 'Bad User',
+      },
+      displayName: 'Bad User',
+    };
+
+    (ldapStub.isUserInAdGroup as Mock).mockResolvedValueOnce(false);
+
+    const done = vi.fn();
+
+    await strategyCallback(mockReq, mockProfile, {}, done);
+
+    expect(done).toHaveBeenCalledOnce();
+    const [err, user] = done.mock.calls[0];
+    expect(err).toContain('not a member');
+    expect(user).toBeNull();
+
+    expect(dbStub.updateUser).not.toHaveBeenCalled();
+  });
+
+  it('should handle LDAP errors gracefully', async () => {
+    const mockReq = {};
+    const mockProfile = {
+      _json: {
+        sAMAccountName: 'error-user',
+        mail: 'err@test.com',
+        userPrincipalName: 'err@test.com',
+        title: 'Whoops',
+      },
+      displayName: 'Error User',
+    };
+
+    (ldapStub.isUserInAdGroup as Mock).mockRejectedValueOnce(new Error('LDAP error'));
+
+    const done = vi.fn();
+
+    await strategyCallback(mockReq, mockProfile, {}, done);
+
+    expect(done).toHaveBeenCalledOnce();
+    const [err, user] = done.mock.calls[0];
+    expect(err).toContain('LDAP error');
+    expect(user).toBeNull();
+  });
+});
diff --git a/test/testAuthMethods.test.js b/test/testAuthMethods.test.js
deleted file mode 100644
index fc7054071..000000000
--- a/test/testAuthMethods.test.js
+++ /dev/null
@@ -1,67 +0,0 @@
-const chai = require('chai');
-const config = require('../src/config');
-const sinon = require('sinon');
-const proxyquire = require('proxyquire');
-
-chai.should();
-const expect = chai.expect;
-
-describe('auth methods', async () => {
-  it('should return a local auth method by default', async function () {
-    const authMethods = config.getAuthMethods();
-    expect(authMethods).to.have.lengthOf(1);
-    expect(authMethods[0].type).to.equal('local');
-  });
-
-  it('should return an error if no auth methods are enabled', async function () {
-    const newConfig = JSON.stringify({
-      authentication: [
-        { type: 'local', enabled: false },
-        { type: 'ActiveDirectory', enabled: false },
-        { type: 'openidconnect', enabled: false },
-      ],
-    });
-
-    const fsStub = {
-      existsSync: sinon.stub().returns(true),
-      readFileSync: sinon.stub().returns(newConfig),
-    };
-
-    const config = proxyquire('../src/config', {
-      fs: fsStub,
-    });
-
-    // Initialize the user config after proxyquiring to load the stubbed config
-    config.initUserConfig();
-
-    expect(() => config.getAuthMethods()).to.throw(Error, 'No authentication method enabled');
-  });
-
-  it('should return an array of enabled auth methods when overridden', async function () {
-    const newConfig = JSON.stringify({
-      authentication: [
-        { type: 'local', enabled: true },
-        { type: 'ActiveDirectory', enabled: true },
-        { type: 'openidconnect', enabled: true },
-      ],
-    });
-
-    const fsStub = {
-      existsSync: sinon.stub().returns(true),
-      readFileSync: sinon.stub().returns(newConfig),
-    };
-
-    const config = proxyquire('../src/config', {
-      fs: fsStub,
-    });
-
-    // Initialize the user config after proxyquiring to load the stubbed config
-    config.initUserConfig();
-
-    const authMethods = config.getAuthMethods();
-    expect(authMethods).to.have.lengthOf(3);
-    expect(authMethods[0].type).to.equal('local');
-    expect(authMethods[1].type).to.equal('ActiveDirectory');
-    expect(authMethods[2].type).to.equal('openidconnect');
-  });
-});
diff --git a/test/testAuthMethods.test.ts b/test/testAuthMethods.test.ts
new file mode 100644
index 000000000..bae9d7bb3
--- /dev/null
+++ b/test/testAuthMethods.test.ts
@@ -0,0 +1,58 @@
+import { describe, it, expect, vi, beforeEach } from 'vitest';
+
+describe('auth methods', () => {
+  beforeEach(() => {
+    vi.resetModules();
+  });
+
+  it('should return a local auth method by default', async () => {
+    const config = await import('../src/config');
+    const authMethods = config.getAuthMethods();
+    expect(authMethods).toHaveLength(1);
+    expect(authMethods[0].type).toBe('local');
+  });
+
+  it('should return an error if no auth methods are enabled', async () => {
+    const newConfig = JSON.stringify({
+      authentication: [
+        { type: 'local', enabled: false },
+        { type: 'ActiveDirectory', enabled: false },
+        { type: 'openidconnect', enabled: false },
+      ],
+    });
+
+    vi.doMock('fs', () => ({
+      existsSync: () => true,
+      readFileSync: () => newConfig,
+    }));
+
+    const config = await import('../src/config');
+    config.initUserConfig();
+
+    expect(() => config.getAuthMethods()).toThrowError(/No authentication method enabled/);
+  });
+
+  it('should return an array of enabled auth methods when overridden', async () => {
+    const newConfig = JSON.stringify({
+      authentication: [
+        { type: 'local', enabled: true },
+        { type: 'ActiveDirectory', enabled: true },
+        { type: 'openidconnect', enabled: true },
+      ],
+    });
+
+    vi.doMock('fs', () => ({
+      existsSync: () => true,
+      readFileSync: () => newConfig,
+    }));
+
+    const config = await import('../src/config');
+    config.initUserConfig();
+
+    const authMethods = config.getAuthMethods();
+    expect(authMethods).toHaveLength(3);
+    expect(authMethods[0].type).toBe('local');
+    expect(authMethods[1].type).toBe('ActiveDirectory');
+    expect(authMethods[2].type).toBe('openidconnect');
+  });
+});
diff --git a/test/testCheckUserPushPermission.test.js b/test/testCheckUserPushPermission.test.ts
similarity index 60%
rename from test/testCheckUserPushPermission.test.js
rename to test/testCheckUserPushPermission.test.ts
index dd7e9d187..ca9a82c3c 100644
--- a/test/testCheckUserPushPermission.test.js
+++ b/test/testCheckUserPushPermission.test.ts
@@ -1,9 +1,7 @@
-const chai = require('chai');
-const processor = require('../src/proxy/processors/push-action/checkUserPushPermission');
-const { Action } = require('../src/proxy/actions/Action');
-const { expect } = chai;
-const db = require('../src/db');
-chai.should();
+import { describe, it, beforeAll, afterAll, expect } from 'vitest';
+import * as processor from '../src/proxy/processors/push-action/checkUserPushPermission';
+import { Action } from '../src/proxy/actions/Action';
+import * as db from '../src/db';
 
 const TEST_ORG = 'finos';
 const TEST_REPO = 'user-push-perms-test.git';
@@ -14,24 +12,22 @@ const TEST_USERNAME_2 = 'push-perms-test-2';
 const TEST_EMAIL_2 = 'push-perms-test-2@test.com';
 const TEST_EMAIL_3 = 'push-perms-test-3@test.com';
 
-describe('CheckUserPushPermissions...', async () => {
-  let testRepo = null;
+describe('CheckUserPushPermissions...', () => {
+  let testRepo: Repo | null = null;
 
-  before(async function () {
-    // await db.deleteRepo(TEST_REPO);
-    // await db.deleteUser(TEST_USERNAME_1);
-    // await db.deleteUser(TEST_USERNAME_2);
+  beforeAll(async () => {
     testRepo = await db.createRepo({
       project: TEST_ORG,
       name: TEST_REPO,
       url: TEST_URL,
     });
+
     await db.createUser(TEST_USERNAME_1, 'abc', TEST_EMAIL_1, TEST_USERNAME_1, false);
     await db.addUserCanPush(testRepo._id, TEST_USERNAME_1);
     await db.createUser(TEST_USERNAME_2, 'abc', TEST_EMAIL_2, TEST_USERNAME_2, false);
   });
 
-  after(async function () {
+  afterAll(async () => {
     await db.deleteRepo(testRepo._id);
     await db.deleteUser(TEST_USERNAME_1);
     await db.deleteUser(TEST_USERNAME_2);
@@ -40,23 +36,23 @@ describe('CheckUserPushPermissions...', async () => {
   it('A committer that is approved should be allowed to push...', async () => {
     const action = new Action('1', 'type', 'method', 1, TEST_URL);
     action.userEmail = TEST_EMAIL_1;
-    const { error } = await processor.exec(null, action);
-    expect(error).to.be.false;
+    const { error } = await processor.exec(null as any, action);
+    expect(error).toBe(false);
   });
 
   it('A committer that is NOT approved should NOT be allowed to push...', async () => {
     const action = new Action('1', 'type', 'method', 1, TEST_URL);
     action.userEmail = TEST_EMAIL_2;
-    const { error, errorMessage } = await processor.exec(null, action);
-    expect(error).to.be.true;
-    expect(errorMessage).to.contains('Your push has been blocked');
+    const { error, errorMessage } = await processor.exec(null as any, action);
+    expect(error).toBe(true);
+    expect(errorMessage).toContain('Your push has been blocked');
   });
 
   it('An unknown committer should NOT be allowed to push...', async () => {
     const action = new Action('1', 'type', 'method', 1, TEST_URL);
     action.userEmail = TEST_EMAIL_3;
-    const { error, errorMessage } = await processor.exec(null, action);
-    expect(error).to.be.true;
-    expect(errorMessage).to.contains('Your push has been blocked');
+    const { error, errorMessage } = await processor.exec(null as any, action);
+    expect(error).toBe(true);
+    expect(errorMessage).toContain('Your push has been blocked');
   });
 });
diff --git a/test/testConfig.test.js b/test/testConfig.test.js
deleted file mode 100644
index c099dffea..000000000
--- a/test/testConfig.test.js
+++ /dev/null
@@ -1,489 +0,0 @@
-const chai = require('chai');
-const fs = require('fs');
-const path = require('path');
-const defaultSettings = require('../proxy.config.json');
-const fixtures = 'fixtures';
-
-chai.should();
-const expect = chai.expect;
-
-describe('default configuration', function () {
-  it('should use default values if no user-settings.json file exists', function () {
-    const config = require('../src/config');
-    config.logConfiguration();
-    const enabledMethods = defaultSettings.authentication.filter((method) => method.enabled);
-
-    expect(config.getAuthMethods()).to.deep.equal(enabledMethods);
-    expect(config.getDatabase()).to.be.eql(defaultSettings.sink[0]);
-    expect(config.getTempPasswordConfig()).to.be.eql(defaultSettings.tempPassword);
-    expect(config.getAuthorisedList()).to.be.eql(defaultSettings.authorisedList);
-    expect(config.getRateLimit()).to.be.eql(defaultSettings.rateLimit);
-    expect(config.getTLSKeyPemPath()).to.be.eql(defaultSettings.tls.key);
-    expect(config.getTLSCertPemPath()).to.be.eql(defaultSettings.tls.cert);
-    expect(config.getTLSEnabled()).to.be.eql(defaultSettings.tls.enabled);
-    expect(config.getDomains()).to.be.eql(defaultSettings.domains);
-    expect(config.getURLShortener()).to.be.eql(defaultSettings.urlShortener);
-    expect(config.getContactEmail()).to.be.eql(defaultSettings.contactEmail);
-    expect(config.getPlugins()).to.be.eql(defaultSettings.plugins);
-    expect(config.getCSRFProtection()).to.be.eql(defaultSettings.csrfProtection);
-    expect(config.getAttestationConfig()).to.be.eql(defaultSettings.attestationConfig);
-    expect(config.getAPIs()).to.be.eql(defaultSettings.api);
-  });
-  after(function () {
-    delete require.cache[require.resolve('../src/config')];
-  });
-});
-
-describe('user configuration', function () {
-  let tempDir;
-  let tempUserFile;
-  let oldEnv;
-
-  beforeEach(function () {
-    delete require.cache[require.resolve('../src/config/env')];
-    delete require.cache[require.resolve('../src/config')];
-    oldEnv = { ...process.env };
-    tempDir = fs.mkdtempSync('gitproxy-test');
-    tempUserFile = path.join(tempDir, 'test-settings.json');
-    require('../src/config/file').setConfigFile(tempUserFile);
-  });
-
-  it('should override default settings for authorisedList', function () {
-    const user = {
-      authorisedList: [{ project: 'foo', name: 'bar', url: 'https://github.com/foo/bar.git' }],
-    };
-    fs.writeFileSync(tempUserFile, JSON.stringify(user));
-
-    // Invalidate cache to force reload
-    const config = require('../src/config');
-    config.invalidateCache();
-    const enabledMethods = defaultSettings.authentication.filter((method) => method.enabled);
-
-    expect(config.getAuthorisedList()).to.be.eql(user.authorisedList);
-    expect(config.getAuthMethods()).to.deep.equal(enabledMethods);
-    expect(config.getDatabase()).to.be.eql(defaultSettings.sink[0]);
-    expect(config.getTempPasswordConfig()).to.be.eql(defaultSettings.tempPassword);
-  });
-
-  it('should override default settings for authentication', function () {
-    const user = {
-      authentication: [
-        {
-          type: 'openidconnect',
-          enabled: true,
-          oidcConfig: {
-            issuer: 'https://accounts.google.com',
-            clientID: 'test-client-id',
-            clientSecret: 'test-client-secret',
-            callbackURL: 'https://example.com/callback',
-            scope: 'openid email profile',
-          },
-        },
-      ],
-    };
-    fs.writeFileSync(tempUserFile, JSON.stringify(user));
-
-    // Invalidate cache to force reload
-    const config = require('../src/config');
-    config.invalidateCache();
-    const authMethods = config.getAuthMethods();
-    const oidcAuth = authMethods.find((method) => method.type === 'openidconnect');
-
-    expect(oidcAuth).to.not.be.undefined;
-    expect(oidcAuth.enabled).to.be.true;
-    expect(config.getAuthMethods()).to.deep.include(user.authentication[0]);
-    expect(config.getAuthMethods()).to.not.be.eql(defaultSettings.authentication);
-    expect(config.getDatabase()).to.be.eql(defaultSettings.sink[0]);
-    expect(config.getTempPasswordConfig()).to.be.eql(defaultSettings.tempPassword);
-  });
-
-  it('should override default settings for database', function () {
-    const user = { sink: [{ type: 'postgres', enabled: true }] };
-    fs.writeFileSync(tempUserFile, JSON.stringify(user));
-
-    const config = require('../src/config');
-    config.invalidateCache();
-    const enabledMethods = defaultSettings.authentication.filter((method) => method.enabled);
-
-    expect(config.getDatabase()).to.be.eql(user.sink[0]);
-    expect(config.getDatabase()).to.not.be.eql(defaultSettings.sink[0]);
-    expect(config.getAuthMethods()).to.deep.equal(enabledMethods);
-    expect(config.getTempPasswordConfig()).to.be.eql(defaultSettings.tempPassword);
-  });
-
-  it('should override default settings for SSL certificate', function () {
-    const user = {
-      tls: {
-        enabled: true,
-        key: 'my-key.pem',
-        cert: 'my-cert.pem',
-      },
-    };
-    fs.writeFileSync(tempUserFile, JSON.stringify(user));
-
-    // Invalidate cache to force reload
-    const config = require('../src/config');
-    config.invalidateCache();
-
-    expect(config.getTLSKeyPemPath()).to.be.eql(user.tls.key);
-    expect(config.getTLSCertPemPath()).to.be.eql(user.tls.cert);
-  });
-
-  it('should override default settings for rate limiting', function () {
-    const limitConfig = { rateLimit: { windowMs: 60000, limit: 1500 } };
-    fs.writeFileSync(tempUserFile, JSON.stringify(limitConfig));
-
-    const config = require('../src/config');
-    config.invalidateCache();
-
-    expect(config.getRateLimit().windowMs).to.be.eql(limitConfig.rateLimit.windowMs);
-    expect(config.getRateLimit().limit).to.be.eql(limitConfig.rateLimit.limit);
-  });
-
-  it('should override default settings for attestation config', function () {
-    const user = {
-      attestationConfig: {
-        questions: [
-          { label: 'Testing Label Change', tooltip: { text: 'Testing Tooltip Change', links: [] } },
-        ],
-      },
-    };
-    fs.writeFileSync(tempUserFile, JSON.stringify(user));
-
-    const config = require('../src/config');
-    config.invalidateCache();
-
-    expect(config.getAttestationConfig()).to.be.eql(user.attestationConfig);
-  });
-
-  it('should override default settings for url shortener', function () {
-    const user = { urlShortener: 'https://url-shortener.com' };
-    fs.writeFileSync(tempUserFile, JSON.stringify(user));
-
-    // Invalidate cache to force reload
-    const config = require('../src/config');
-    config.invalidateCache();
-
-    expect(config.getURLShortener()).to.be.eql(user.urlShortener);
-  });
-
-  it('should override default settings for contact email', function () {
-    const user = { contactEmail: 'test@example.com' };
-    fs.writeFileSync(tempUserFile, JSON.stringify(user));
-
-    const config = require('../src/config');
-    config.invalidateCache();
-
-    expect(config.getContactEmail()).to.be.eql(user.contactEmail);
-  });
-
-  it('should override default settings for plugins', function () {
-    const user = { plugins: ['plugin1', 'plugin2'] };
-    fs.writeFileSync(tempUserFile, JSON.stringify(user));
-
-    const config = require('../src/config');
-    config.invalidateCache();
-
-    expect(config.getPlugins()).to.be.eql(user.plugins);
-  });
-
-  it('should override default settings for sslCertPemPath', function () {
-    const user = {
-      tls: {
-        enabled: true,
-        key: 'my-key.pem',
-        cert: 'my-cert.pem',
-      },
-    };
-
-    fs.writeFileSync(tempUserFile, JSON.stringify(user));
-
-    const config = require('../src/config');
-    config.invalidateCache();
-
-    expect(config.getTLSCertPemPath()).to.be.eql(user.tls.cert);
-    expect(config.getTLSKeyPemPath()).to.be.eql(user.tls.key);
-    expect(config.getTLSEnabled()).to.be.eql(user.tls.enabled);
-  });
-
-  it('should prioritize tls.key and tls.cert over sslKeyPemPath and sslCertPemPath', function () {
-    const user = {
-      tls: { enabled: true, key: 'good-key.pem', cert: 'good-cert.pem' },
-      sslKeyPemPath: 'bad-key.pem',
-      sslCertPemPath: 'bad-cert.pem',
-    };
-    fs.writeFileSync(tempUserFile, JSON.stringify(user));
-
-    // Invalidate cache to force reload
-    const config = require('../src/config');
-    config.invalidateCache();
-
-    expect(config.getTLSCertPemPath()).to.be.eql(user.tls.cert);
-    expect(config.getTLSKeyPemPath()).to.be.eql(user.tls.key);
-    expect(config.getTLSEnabled()).to.be.eql(user.tls.enabled);
-  });
-
-  it('should use sslKeyPemPath and sslCertPemPath if tls.key and tls.cert are not present', function () {
-    const user = { sslKeyPemPath: 'good-key.pem', sslCertPemPath: 'good-cert.pem' };
-    fs.writeFileSync(tempUserFile, JSON.stringify(user));
-
-    // Invalidate cache to force reload
-    const config = require('../src/config');
-    config.invalidateCache();
-
-    expect(config.getTLSCertPemPath()).to.be.eql(user.sslCertPemPath);
-    expect(config.getTLSKeyPemPath()).to.be.eql(user.sslKeyPemPath);
-    expect(config.getTLSEnabled()).to.be.eql(false);
-  });
-
-  it('should override default settings for api', function () {
-    const user = { api: { gitlab: { baseUrl: 'https://gitlab.com' } } };
-    fs.writeFileSync(tempUserFile, JSON.stringify(user));
-
-    // Invalidate cache to force reload
-    const config = require('../src/config');
-    config.invalidateCache();
-
-    expect(config.getAPIs()).to.be.eql(user.api);
-  });
-
-  it('should override default settings for cookieSecret if env var is used', function () {
-    fs.writeFileSync(tempUserFile, '{}');
-    process.env.GIT_PROXY_COOKIE_SECRET = 'test-cookie-secret';
-
-    const config = require('../src/config');
-    config.invalidateCache();
-    expect(config.getCookieSecret()).to.equal('test-cookie-secret');
-  });
-
-  it('should override default settings for mongo connection string if env var is used', function () {
-    const user = {
-      sink: [
-        {
-          type: 'mongo',
-          enabled: true,
-        },
-      ],
-    };
-    fs.writeFileSync(tempUserFile, JSON.stringify(user));
-    process.env.GIT_PROXY_MONGO_CONNECTION_STRING = 'mongodb://example.com:27017/test';
-
-    const config = require('../src/config');
-    config.invalidateCache();
-    expect(config.getDatabase().connectionString).to.equal('mongodb://example.com:27017/test');
-  });
-
-  it('should test cache invalidation function', function () {
-    fs.writeFileSync(tempUserFile, '{}');
-
-    const config = require('../src/config');
-
-    // Load config first time
-    const firstLoad = config.getAuthorisedList();
-
-    // Invalidate cache and load again
-    config.invalidateCache();
-    const secondLoad = config.getAuthorisedList();
-
-    expect(firstLoad).to.deep.equal(secondLoad);
-  });
-
-  it('should test reloadConfiguration function', async function () {
-    fs.writeFileSync(tempUserFile, '{}');
-
-    const config = require('../src/config');
-
-    // reloadConfiguration doesn't throw
-    await config.reloadConfiguration();
-  });
-
-  it('should handle configuration errors during initialization', function () {
-    const user = {
-      invalidConfig: 'this should cause validation error',
-    };
-    fs.writeFileSync(tempUserFile, JSON.stringify(user));
-
-    const config = require('../src/config');
-    expect(() => config.getAuthorisedList()).to.not.throw();
-  });
-
-  it('should test all getter functions for coverage', function () {
-    fs.writeFileSync(tempUserFile, '{}');
-
-    const config = require('../src/config');
-
-    expect(() => config.getProxyUrl()).to.not.throw();
-    expect(() => config.getCookieSecret()).to.not.throw();
-    expect(() => config.getSessionMaxAgeHours()).to.not.throw();
-    expect(() => config.getCommitConfig()).to.not.throw();
-    expect(() => config.getPrivateOrganizations()).to.not.throw();
-    expect(() => config.getUIRouteAuth()).to.not.throw();
-  });
-
-  it('should test getAuthentication function returns first auth method', function () {
-    const user = {
-      authentication: [
-        { type: 'ldap', enabled: true },
-        { type: 'local', enabled: true },
-      ],
-    };
-    fs.writeFileSync(tempUserFile, JSON.stringify(user));
-
-    const config = require('../src/config');
-    config.invalidateCache();
-
-    const firstAuth = config.getAuthentication();
-    expect(firstAuth).to.be.an('object');
-    expect(firstAuth.type).to.equal('ldap');
-  });
-
-  afterEach(function () {
-    fs.rmSync(tempUserFile);
-    fs.rmdirSync(tempDir);
-    process.env = oldEnv;
-    delete require.cache[require.resolve('../src/config')];
-  });
-});
-
-describe('validate config files', function () {
-  const config = require('../src/config/file');
-
-  it('all valid config files should pass validation', function () {
-    const validConfigFiles = ['proxy.config.valid-1.json', 'proxy.config.valid-2.json'];
-    for (const testConfigFile of validConfigFiles) {
-      expect(config.validate(path.join(__dirname, fixtures, testConfigFile))).to.be.true;
-    }
-  });
-
-  it('all invalid config files should fail validation', function () {
-    const invalidConfigFiles = ['proxy.config.invalid-1.json', 'proxy.config.invalid-2.json'];
-    for (const testConfigFile of invalidConfigFiles) {
-      const test = function () {
-        config.validate(path.join(__dirname, fixtures, testConfigFile));
-      };
-      expect(test).to.throw();
-    }
-  });
-
-  it('should validate using default config file when no path provided', function () {
-    const originalConfigFile = config.configFile;
-    const mainConfigPath = path.join(__dirname, '..', 'proxy.config.json');
-    config.setConfigFile(mainConfigPath);
-
-    try {
-      // default configFile
-      expect(() => config.validate()).to.not.throw();
-    } finally {
-      // Restore original config file
-      config.setConfigFile(originalConfigFile);
-    }
-  });
-
-  after(function () {
-    delete require.cache[require.resolve('../src/config')];
-  });
-});
-
-describe('setConfigFile function', function () {
-  const config = require('../src/config/file');
-  let originalConfigFile;
-
-  beforeEach(function () {
-    originalConfigFile = config.configFile;
-  });
-
-  afterEach(function () {
-    // Restore original config file
-    config.setConfigFile(originalConfigFile);
-  });
-
-  it('should set the config file path', function () {
-    const newPath = '/tmp/new-config.json';
-    config.setConfigFile(newPath);
-    expect(config.configFile).to.equal(newPath);
-  });
-
-  it('should allow changing config file multiple times', function () {
-    const firstPath = '/tmp/first-config.json';
-    const secondPath = '/tmp/second-config.json';
-
-    config.setConfigFile(firstPath);
-    expect(config.configFile).to.equal(firstPath);
-
-    config.setConfigFile(secondPath);
-    expect(config.configFile).to.equal(secondPath);
-  });
-});
-
-describe('Configuration Update Handling', function () {
-  let tempDir;
-  let tempUserFile;
-  let oldEnv;
-
-  beforeEach(function () {
-    delete require.cache[require.resolve('../src/config')];
-    oldEnv = { ...process.env };
-    tempDir = fs.mkdtempSync('gitproxy-test');
-    tempUserFile = path.join(tempDir, 'test-settings.json');
-    require('../src/config/file').configFile = tempUserFile;
-  });
-
-  it('should test ConfigLoader initialization', function () {
-    const configWithSources = {
-      configurationSources: {
-        enabled: true,
-        sources: [
-          {
-            type: 'file',
-            enabled: true,
-            path: tempUserFile,
-          },
-        ],
-      },
-    };
-
-    fs.writeFileSync(tempUserFile, JSON.stringify(configWithSources));
-
-    const config = require('../src/config');
-    config.invalidateCache();
-
-    expect(() => config.getAuthorisedList()).to.not.throw();
-  });
-
-  it('should handle config loader initialization errors', function () {
-    const invalidConfigSources = {
-      configurationSources: {
-        enabled: true,
-        sources: [
-          {
-            type: 'invalid-type',
-            enabled: true,
-            path: tempUserFile,
-          },
-        ],
-      },
-    };
-
-    fs.writeFileSync(tempUserFile, JSON.stringify(invalidConfigSources));
-
-    const consoleErrorSpy = require('sinon').spy(console, 'error');
-
-    const config = require('../src/config');
-    config.invalidateCache();
-
-    expect(() => config.getAuthorisedList()).to.not.throw();
-
-    consoleErrorSpy.restore();
-  });
-
-  afterEach(function () {
-    if (fs.existsSync(tempUserFile)) {
-      fs.rmSync(tempUserFile, { force: true });
-    }
-    if (fs.existsSync(tempDir)) {
-      fs.rmdirSync(tempDir);
-    }
-    process.env = oldEnv;
-    delete require.cache[require.resolve('../src/config')];
-  });
-});
diff --git a/test/testConfig.test.ts b/test/testConfig.test.ts
new file mode 100644
index 000000000..a8ae2bbd5
--- /dev/null
+++ b/test/testConfig.test.ts
@@ -0,0 +1,455 @@
+import { describe, it, expect, beforeEach, afterEach, vi } from 'vitest';
+import fs from 'fs';
+import path from 'path';
+import defaultSettings from '../proxy.config.json';
+
+import * as configFile from '../src/config/file';
+
+const fixtures = 'fixtures';
+
+describe('default configuration', () => {
+  afterEach(() => {
+    vi.resetModules();
+  });
+
+  it('should use default values if no user-settings.json file exists', async () => {
+    const config = await import('../src/config');
+    config.logConfiguration();
+    const enabledMethods = defaultSettings.authentication.filter((method) => method.enabled);
+
+    expect(config.getAuthMethods()).toEqual(enabledMethods);
+    expect(config.getDatabase()).toEqual(defaultSettings.sink[0]);
+    expect(config.getTempPasswordConfig()).toEqual(defaultSettings.tempPassword);
+    expect(config.getAuthorisedList()).toEqual(defaultSettings.authorisedList);
+    expect(config.getRateLimit()).toEqual(defaultSettings.rateLimit);
+    expect(config.getTLSKeyPemPath()).toEqual(defaultSettings.tls.key);
+    expect(config.getTLSCertPemPath()).toEqual(defaultSettings.tls.cert);
+    expect(config.getTLSEnabled()).toEqual(defaultSettings.tls.enabled);
+    expect(config.getDomains()).toEqual(defaultSettings.domains);
+    expect(config.getURLShortener()).toEqual(defaultSettings.urlShortener);
+    expect(config.getContactEmail()).toEqual(defaultSettings.contactEmail);
+    expect(config.getPlugins()).toEqual(defaultSettings.plugins);
+    expect(config.getCSRFProtection()).toEqual(defaultSettings.csrfProtection);
+    expect(config.getAttestationConfig()).toEqual(defaultSettings.attestationConfig);
+    expect(config.getAPIs()).toEqual(defaultSettings.api);
+  });
+});
+
+describe('user configuration', () => {
+  let tempDir: string;
+  let tempUserFile: string;
+  let oldEnv: NodeJS.ProcessEnv;
+
+  beforeEach(async () => {
+    vi.resetModules();
+    oldEnv = { ...process.env };
+    tempDir = fs.mkdtempSync('gitproxy-test');
+    tempUserFile = path.join(tempDir, 'test-settings.json');
+    const fileModule = await import('../src/config/file');
+    fileModule.setConfigFile(tempUserFile);
+  });
+
+  afterEach(() => {
+    if (fs.existsSync(tempUserFile)) {
+      fs.rmSync(tempUserFile);
+    }
+    if (fs.existsSync(tempDir)) {
+      fs.rmdirSync(tempDir);
+    }
+    process.env = { ...oldEnv };
+    vi.resetModules();
+  });
+
+  it('should override default settings for authorisedList', async () => {
+    const user = {
+      authorisedList: [{ project: 'foo', name: 'bar', url: 'https://github.com/foo/bar.git' }],
+    };
+    fs.writeFileSync(tempUserFile, JSON.stringify(user));
+
+    const config = await import('../src/config');
+    config.invalidateCache();
+    const enabledMethods = defaultSettings.authentication.filter((method) => method.enabled);
+
+    expect(config.getAuthorisedList()).toEqual(user.authorisedList);
+    expect(config.getAuthMethods()).toEqual(enabledMethods);
+    expect(config.getDatabase()).toEqual(defaultSettings.sink[0]);
+    expect(config.getTempPasswordConfig()).toEqual(defaultSettings.tempPassword);
+  });
+
+  it('should override default settings for authentication', async () => {
+    const user = {
+      authentication: [
+        {
+          type: 'openidconnect',
+          enabled: true,
+          oidcConfig: {
+            issuer: 'https://accounts.google.com',
+            clientID: 'test-client-id',
+            clientSecret: 'test-client-secret',
+            callbackURL: 'https://example.com/callback',
+            scope: 'openid email profile',
+          },
+        },
+      ],
+    };
+    fs.writeFileSync(tempUserFile, JSON.stringify(user));
+
+    const config = await import('../src/config');
+    config.invalidateCache();
+    const authMethods = config.getAuthMethods();
+    const oidcAuth = authMethods.find((method: any) => method.type === 'openidconnect');
+
+    expect(oidcAuth).toBeDefined();
+    expect(oidcAuth?.enabled).toBe(true);
+    expect(config.getAuthMethods()).toContainEqual(user.authentication[0]);
+    expect(config.getAuthMethods()).not.toEqual(defaultSettings.authentication);
+    expect(config.getDatabase()).toEqual(defaultSettings.sink[0]);
+    expect(config.getTempPasswordConfig()).toEqual(defaultSettings.tempPassword);
+  });
+
+  it('should override default settings for database', async () => {
+    const user = { sink: [{ type: 'postgres', enabled: true }] };
+    fs.writeFileSync(tempUserFile, JSON.stringify(user));
+
+    const config = await import('../src/config');
+    config.invalidateCache();
+    const enabledMethods = defaultSettings.authentication.filter((method) => method.enabled);
+
+    expect(config.getDatabase()).toEqual(user.sink[0]);
+    expect(config.getDatabase()).not.toEqual(defaultSettings.sink[0]);
+    expect(config.getAuthMethods()).toEqual(enabledMethods);
+    expect(config.getTempPasswordConfig()).toEqual(defaultSettings.tempPassword);
+  });
+
+  it('should override default settings for SSL certificate', async () => {
+    const user = {
+      tls: {
+        enabled: true,
+        key: 'my-key.pem',
+        cert: 'my-cert.pem',
+      },
+    };
+    fs.writeFileSync(tempUserFile, JSON.stringify(user));
+
+    const config = await import('../src/config');
+    config.invalidateCache();
+
+    expect(config.getTLSKeyPemPath()).toEqual(user.tls.key);
+    expect(config.getTLSCertPemPath()).toEqual(user.tls.cert);
+  });
+
+  it('should override default settings for rate limiting', async () => {
+    const limitConfig = { rateLimit: { windowMs: 60000, limit: 1500 } };
+    fs.writeFileSync(tempUserFile, JSON.stringify(limitConfig));
+
+    const config = await import('../src/config');
+    config.invalidateCache();
+
+    expect(config.getRateLimit()?.windowMs).toBe(limitConfig.rateLimit.windowMs);
+    expect(config.getRateLimit()?.limit).toBe(limitConfig.rateLimit.limit);
+  });
+
+  it('should override default settings for attestation config', async () => {
+    const user = {
+      attestationConfig: {
+        questions: [
+          { label: 'Testing Label Change', tooltip: { text: 'Testing Tooltip Change', links: [] } },
+        ],
+      },
+    };
+    fs.writeFileSync(tempUserFile, JSON.stringify(user));
+
+    const config = await import('../src/config');
+    config.invalidateCache();
+
+    expect(config.getAttestationConfig()).toEqual(user.attestationConfig);
+  });
+
+  it('should override default settings for url shortener', async () => {
+    const user = { urlShortener: 'https://url-shortener.com' };
+    fs.writeFileSync(tempUserFile, JSON.stringify(user));
+
+    const config = await import('../src/config');
+    config.invalidateCache();
+
+    expect(config.getURLShortener()).toBe(user.urlShortener);
+  });
+
+  it('should override default settings for contact email', async () => {
+    const user = { contactEmail: 'test@example.com' };
+    fs.writeFileSync(tempUserFile, JSON.stringify(user));
+
+    const config = await import('../src/config');
+    config.invalidateCache();
+
+    expect(config.getContactEmail()).toBe(user.contactEmail);
+  });
+
+  it('should override default settings for plugins', async () => {
+    const user = { plugins: ['plugin1', 'plugin2'] };
+    fs.writeFileSync(tempUserFile, JSON.stringify(user));
+
+    const config = await import('../src/config');
+    config.invalidateCache();
+
+    expect(config.getPlugins()).toEqual(user.plugins);
+  });
+
+  it('should override default settings for sslCertPemPath', async () => {
+    const user = { tls: { enabled: true, key: 'my-key.pem', cert: 'my-cert.pem' } };
+    fs.writeFileSync(tempUserFile, JSON.stringify(user));
+
+    const config = await import('../src/config');
+    config.invalidateCache();
+
+    expect(config.getTLSCertPemPath()).toBe(user.tls.cert);
+    expect(config.getTLSKeyPemPath()).toBe(user.tls.key);
+    expect(config.getTLSEnabled()).toBe(user.tls.enabled);
+  });
+
+  it('should prioritize tls.key and tls.cert over sslKeyPemPath and sslCertPemPath', async () => {
+    const user = {
+      tls: { enabled: true, key: 'good-key.pem', cert: 'good-cert.pem' },
+      sslKeyPemPath: 'bad-key.pem',
+      sslCertPemPath: 'bad-cert.pem',
+    };
+    fs.writeFileSync(tempUserFile, JSON.stringify(user));
+
+    const config = await import('../src/config');
+    config.invalidateCache();
+
+    expect(config.getTLSCertPemPath()).toBe(user.tls.cert);
+    expect(config.getTLSKeyPemPath()).toBe(user.tls.key);
+    expect(config.getTLSEnabled()).toBe(user.tls.enabled);
+  });
+
+  it('should use sslKeyPemPath and sslCertPemPath if tls.key and tls.cert are not present', async () => {
+    const user = { sslKeyPemPath: 'good-key.pem', sslCertPemPath: 'good-cert.pem' };
+    fs.writeFileSync(tempUserFile, JSON.stringify(user));
+
+    const config = await import('../src/config');
+    config.invalidateCache();
+
+    expect(config.getTLSCertPemPath()).toBe(user.sslCertPemPath);
+    expect(config.getTLSKeyPemPath()).toBe(user.sslKeyPemPath);
+    expect(config.getTLSEnabled()).toBe(false);
+  });
+
+  it('should override default settings for api', async () => {
+    const user = { api: { gitlab: { baseUrl: 'https://gitlab.com' } } };
+    fs.writeFileSync(tempUserFile, JSON.stringify(user));
+
+    const config = await import('../src/config');
+    config.invalidateCache();
+
+    expect(config.getAPIs()).toEqual(user.api);
+  });
+
+  it('should override default settings for cookieSecret if env var is used', async () => {
+    fs.writeFileSync(tempUserFile, '{}');
+    process.env.GIT_PROXY_COOKIE_SECRET = 'test-cookie-secret';
+
+    const config = await import('../src/config');
+    config.invalidateCache();
+
+    expect(config.getCookieSecret()).toBe('test-cookie-secret');
+  });
+
+  it('should override default settings for mongo connection string if env var is used', async () => {
+    const user = { sink: [{ type: 'mongo', enabled: true }] };
+    fs.writeFileSync(tempUserFile, JSON.stringify(user));
+    process.env.GIT_PROXY_MONGO_CONNECTION_STRING = 'mongodb://example.com:27017/test';
+
+    const config = await import('../src/config');
+    config.invalidateCache();
+
+    expect(config.getDatabase().connectionString).toBe('mongodb://example.com:27017/test');
+  });
+
+  it('should test cache invalidation function', async () => {
+    fs.writeFileSync(tempUserFile, '{}');
+
+    const config = await import('../src/config');
+
+    const firstLoad = config.getAuthorisedList();
+    config.invalidateCache();
+    const secondLoad = config.getAuthorisedList();
+
+    expect(firstLoad).toEqual(secondLoad);
+  });
+
+  it('should test reloadConfiguration function', async () => {
+    fs.writeFileSync(tempUserFile, '{}');
+
+    const config = await import('../src/config');
+    await expect(config.reloadConfiguration()).resolves.not.toThrow();
+  });
+
+  it('should handle configuration errors during initialization', async () => {
+    const user = { invalidConfig: 'this should cause validation error' };
+    fs.writeFileSync(tempUserFile, JSON.stringify(user));
+
+    const config = await import('../src/config');
+    expect(() => config.getAuthorisedList()).not.toThrow();
+  });
+
+  it('should test all getter functions for coverage', async () => {
+    fs.writeFileSync(tempUserFile, '{}');
+
+    const config = await import('../src/config');
+
+    expect(() => config.getProxyUrl()).not.toThrow();
+    expect(() => config.getCookieSecret()).not.toThrow();
+    expect(() => config.getSessionMaxAgeHours()).not.toThrow();
+    expect(() => config.getCommitConfig()).not.toThrow();
+    expect(() => config.getPrivateOrganizations()).not.toThrow();
+    expect(() => config.getUIRouteAuth()).not.toThrow();
+  });
+
+  it('should test getAuthentication function returns first auth method', async () => {
+    const user = {
+      authentication: [
+        { type: 'ldap', enabled: true },
+        { type: 'local', enabled: true },
+      ],
+    };
+    fs.writeFileSync(tempUserFile, JSON.stringify(user));
+
+    const config = await import('../src/config');
+    config.invalidateCache();
+
+    const firstAuth = config.getAuthentication();
+    expect(firstAuth).toBeInstanceOf(Object);
+    expect(firstAuth.type).toBe('ldap');
+  });
+});
+
+describe('validate config files', () => {
+  it('all valid config files should pass validation', () => {
+    const validConfigFiles = ['proxy.config.valid-1.json', 'proxy.config.valid-2.json'];
+    for (const testConfigFile of validConfigFiles) {
+      expect(configFile.validate(path.join(__dirname, fixtures, testConfigFile))).toBe(true);
+    }
+  });
+
+  it('all invalid config files should fail validation', () => {
+    const invalidConfigFiles = ['proxy.config.invalid-1.json', 'proxy.config.invalid-2.json'];
+    for (const testConfigFile of invalidConfigFiles) {
+      expect(() => configFile.validate(path.join(__dirname, fixtures, testConfigFile))).toThrow();
+    }
+  });
+
+  it('should validate using default config file when no path provided', () => {
+    const originalConfigFile = configFile.configFile;
+    const mainConfigPath = path.join(__dirname, '..', 'proxy.config.json');
+    configFile.setConfigFile(mainConfigPath);
+
+    try {
+      expect(() => configFile.validate()).not.toThrow();
+    } finally {
+      configFile.setConfigFile(originalConfigFile);
+    }
+  });
+});
+
+describe('setConfigFile function', () => {
+  let originalConfigFile: string | undefined;
+
+  beforeEach(() => {
+    originalConfigFile = configFile.configFile;
+  });
+
+  afterEach(() => {
+    configFile.setConfigFile(originalConfigFile!);
+  });
+
+  it('should set the config file path', () => {
+    const newPath = '/tmp/new-config.json';
+    configFile.setConfigFile(newPath);
+    expect(configFile.configFile).toBe(newPath);
+  });
+
+  it('should allow changing config file multiple times', () => {
+    const firstPath = '/tmp/first-config.json';
+    const secondPath = '/tmp/second-config.json';
+
+    configFile.setConfigFile(firstPath);
+    expect(configFile.configFile).toBe(firstPath);
+
+    configFile.setConfigFile(secondPath);
+    expect(configFile.configFile).toBe(secondPath);
+  });
+});
+
+describe('Configuration Update Handling', () => {
+  let tempDir: string;
+  let tempUserFile: string;
+  let oldEnv: NodeJS.ProcessEnv;
+
+  beforeEach(() => {
+    oldEnv = { ...process.env };
+    tempDir = fs.mkdtempSync('gitproxy-test');
+    tempUserFile = path.join(tempDir, 'test-settings.json');
+    configFile.setConfigFile(tempUserFile);
+  });
+
+  it('should test ConfigLoader initialization', async () => {
+    const configWithSources = {
+      configurationSources: {
+        enabled: true,
+        sources: [
+          {
+            type: 'file',
+            enabled: true,
+            path: tempUserFile,
+          },
+        ],
+      },
+    };
+
+    fs.writeFileSync(tempUserFile, JSON.stringify(configWithSources));
+
+    const config = await import('../src/config');
+    config.invalidateCache();
+
+    expect(() => config.getAuthorisedList()).not.toThrow();
+  });
+
+  it('should handle config loader initialization errors', async () => {
+    const invalidConfigSources = {
+      configurationSources: {
+        enabled: true,
+        sources: [
+          {
+            type: 'invalid-type',
+            enabled: true,
+            path: tempUserFile,
+          },
+        ],
+      },
+    };
+
+    fs.writeFileSync(tempUserFile, JSON.stringify(invalidConfigSources));
+
+    const consoleErrorSpy = vi.spyOn(console, 'error');
+
+    const config = await import('../src/config');
+    config.invalidateCache();
+
+    expect(() => config.getAuthorisedList()).not.toThrow();
+
+    consoleErrorSpy.mockRestore();
+  });
+
+  afterEach(() => {
+    if (fs.existsSync(tempUserFile)) {
+      fs.rmSync(tempUserFile, { force: true });
+    }
+    if (fs.existsSync(tempDir)) {
+      fs.rmdirSync(tempDir);
+    }
+    process.env = oldEnv;
+
+    vi.resetModules();
+  });
+});
diff --git a/test/testDb.test.js b/test/testDb.test.js
deleted file mode 100644
index 2f32a99b0..000000000
--- a/test/testDb.test.js
+++ /dev/null
@@ -1,880 +0,0 @@
-// This test needs to run first
-const chai = require('chai');
-const db = require('../src/db');
-const { Repo, User } = require('../src/db/types');
-const { Action } = require('../src/proxy/actions/Action');
-const { Step } = require('../src/proxy/actions/Step');
-
-const { expect } = chai;
-
-const TEST_REPO = {
-  project: 'finos',
-  name: 'db-test-repo',
-  url: 'https://github.com/finos/db-test-repo.git',
-};
-
-const TEST_NONEXISTENT_REPO = {
-  project: 'MegaCorp',
-  name: 'repo',
-  url: 'https://example.com/MegaCorp/MegaGroup/repo.git',
-  _id: 'ABCDEFGHIJKLMNOP',
-};
-
-const TEST_USER = {
-  username: 'db-u1',
-  password: 'abc',
-  gitAccount: 'db-test-user',
-  email: 'db-test@test.com',
-  admin: true,
-};
-
-const TEST_PUSH = {
-  steps: [],
-  error: false,
-  blocked: true,
-  allowPush: false,
-  authorised: false,
-  canceled: true,
-  rejected: false,
-  autoApproved: false,
-  autoRejected: false,
-  commitData: [],
-  id: '0000000000000000000000000000000000000000__1744380874110',
-  type: 'push',
-  method: 'get',
-  timestamp: 1744380903338,
-  project: 'finos',
-  repoName: 'db-test-repo.git',
-  url: TEST_REPO.url,
-  repo: 'finos/db-test-repo.git',
-  user: 'db-test-user',
-  userEmail: 'db-test@test.com',
-  lastStep: null,
-  blockedMessage:
-    '\n\n\nGitProxy has received your push:\n\nhttp://localhost:8080/requests/0000000000000000000000000000000000000000__1744380874110\n\n\n',
-  _id: 'GIMEz8tU2KScZiTz',
-  attestation: null,
-};
-
-const TEST_REPO_DOT_GIT = {
-  project: 'finos',
-  name: 'db.git-test-repo',
-  url: 'https://github.com/finos/db.git-test-repo.git',
-};
-
-// the same as TEST_PUSH but with .git somewhere valid within the name
-// to ensure a global replace isn't done when trimming, just to the end
-const TEST_PUSH_DOT_GIT = {
-  ...TEST_PUSH,
-  repoName: 'db.git-test-repo.git',
-  url: 'https://github.com/finos/db.git-test-repo.git',
-  repo: 'finos/db.git-test-repo.git',
-};
-
-/**
- * Clean up response data from the DB by removing an extraneous properties,
- * allowing comparison with expect.
- * @param {object} example Example element from which columns to retain are extracted
- * @param {array | object} responses Array of responses to clean.
- * @return {array}  Array of cleaned up responses.
- */
-const cleanResponseData = (example, responses) => {
-  const columns = Object.keys(example);
-
-  if (Array.isArray(responses)) {
-    return responses.map((response) => {
-      const cleanResponse = {};
-      columns.forEach((col) => {
-        cleanResponse[col] = response[col];
-      });
-      return cleanResponse;
-    });
-  } else if (typeof responses === 'object') {
-    const cleanResponse = {};
-    columns.forEach((col) => {
-      cleanResponse[col] = responses[col];
-    });
-    return cleanResponse;
-  } else {
-    throw new Error(`Can only clean arrays or objects, but a ${typeof responses}  was passed`);
-  }
-};
-
-// Use this test as a template
-describe('Database clients', async () => {
-  before(async function () {});
-
-  it('should be able to construct a repo instance', async function () {
-    const repo = new Repo('project', 'name', 'https://github.com/finos.git-proxy.git', null, 'id');
-    expect(repo._id).to.equal('id');
-    expect(repo.project).to.equal('project');
-    expect(repo.name).to.equal('name');
-    expect(repo.url).to.equal('https://github.com/finos.git-proxy.git');
-    expect(repo.users).to.deep.equals({ canPush: [], canAuthorise: [] });
-
-    const repo2 = new Repo(
-      'project',
-      'name',
-      'https://github.com/finos.git-proxy.git',
-      { canPush: ['bill'], canAuthorise: ['ben'] },
-      'id',
-    );
-    expect(repo2.users).to.deep.equals({ canPush: ['bill'], canAuthorise: ['ben'] });
-  });
-
-  it('should be able to construct a user instance', async function () {
-    const user = new User(
-      'username',
-      'password',
-      'gitAccount',
-      'email@domain.com',
-      true,
-      null,
-      'id',
-    );
-    expect(user.username).to.equal('username');
-    expect(user.username).to.equal('username');
-    expect(user.gitAccount).to.equal('gitAccount');
-    expect(user.email).to.equal('email@domain.com');
-    expect(user.admin).to.equal(true);
-    expect(user.oidcId).to.be.null;
-    expect(user._id).to.equal('id');
-
-    const user2 = new User(
-      'username',
-      'password',
-      'gitAccount',
-      'email@domain.com',
-      false,
-      'oidcId',
-      'id',
-    );
-    expect(user2.admin).to.equal(false);
-    expect(user2.oidcId).to.equal('oidcId');
-  });
-
-  it('should be able to construct a valid action instance', async function () {
-    const action = new Action(
-      'id',
-      'type',
-      'method',
-      Date.now(),
-      'https://github.com/finos/git-proxy.git',
-    );
-    expect(action.project).to.equal('finos');
-    expect(action.repoName).to.equal('git-proxy.git');
-  });
-
-  it('should be able to block an action by adding a blocked step', async function () {
-    const action = new Action(
-      'id',
-      'type',
-      'method',
-      Date.now(),
-      'https://github.com/finos.git-proxy.git',
-    );
-    const step = new Step('stepName', false, null, false, null);
-    step.setAsyncBlock('blockedMessage');
-    action.addStep(step);
-    expect(action.blocked).to.be.true;
-    expect(action.blockedMessage).to.equal('blockedMessage');
-    expect(action.getLastStep()).to.deep.equals(step);
-    expect(action.continue()).to.be.false;
-  });
-
-  it('should be able to error an action by adding a step with an error', async function () {
-    const action = new Action(
-      'id',
-      'type',
-      'method',
-      Date.now(),
-      'https://github.com/finos.git-proxy.git',
-    );
-    const step = new Step('stepName', true, 'errorMessage', false, null);
-    action.addStep(step);
-    expect(action.error).to.be.true;
-    expect(action.errorMessage).to.equal('errorMessage');
-    expect(action.getLastStep()).to.deep.equals(step);
-    expect(action.continue()).to.be.false;
-  });
-
-  it('should be able to create a repo', async function () {
-    await db.createRepo(TEST_REPO);
-    const repos = await db.getRepos();
-    const cleanRepos = cleanResponseData(TEST_REPO, repos);
-    expect(cleanRepos).to.deep.include(TEST_REPO);
-  });
-
-  it('should be able to filter repos', async function () {
-    // uppercase the filter value to confirm db client is lowercasing inputs
-    const repos = await db.getRepos({ name: TEST_REPO.name.toUpperCase() });
-    const cleanRepos = cleanResponseData(TEST_REPO, repos);
-    expect(cleanRepos[0]).to.eql(TEST_REPO);
-
-    const repos2 = await db.getRepos({ url: TEST_REPO.url });
-    const cleanRepos2 = cleanResponseData(TEST_REPO, repos2);
-    expect(cleanRepos2[0]).to.eql(TEST_REPO);
-
-    // passing an empty query should produce same results as no query
-    const repos3 = await db.getRepos();
-    const repos4 = await db.getRepos({});
-    expect(repos3).to.have.same.deep.members(repos4);
-  });
-
-  it('should be able to retrieve a repo by url', async function () {
-    const repo = await db.getRepoByUrl(TEST_REPO.url);
-    const cleanRepo = cleanResponseData(TEST_REPO, repo);
-    expect(cleanRepo).to.eql(TEST_REPO);
-  });
-
-  it('should be able to retrieve a repo by id', async function () {
-    // _id is autogenerated by the DB so we need to retrieve it before we can use it
-    const repo = await db.getRepoByUrl(TEST_REPO.url);
-    const repoById = await db.getRepoById(repo._id);
-    const cleanRepo = cleanResponseData(TEST_REPO, repoById);
-    expect(cleanRepo).to.eql(TEST_REPO);
-  });
-
-  it('should be able to delete a repo', async function () {
-    // _id is autogenerated by the DB so we need to retrieve it before we can use it
-    const repo = await db.getRepoByUrl(TEST_REPO.url);
-    await db.deleteRepo(repo._id);
-    const repos = await db.getRepos();
-    const cleanRepos = cleanResponseData(TEST_REPO, repos);
-    expect(cleanRepos).to.not.deep.include(TEST_REPO);
-  });
-
-  it('should be able to create a repo with a blank project', async function () {
-    // test with a null value
-    let threwError = false;
-    let testRepo = {
-      project: null,
-      name: TEST_REPO.name,
-      url: TEST_REPO.url,
-    };
-    try {
-      const repo = await db.createRepo(testRepo);
-      await db.deleteRepo(repo._id, true);
-    } catch (e) {
-      threwError = true;
-    }
-    expect(threwError).to.be.false;
-
-    // test with an empty string
-    threwError = false;
-    testRepo = {
-      project: '',
-      name: TEST_REPO.name,
-      url: TEST_REPO.url,
-    };
-    try {
-      const repo = await db.createRepo(testRepo);
-      await db.deleteRepo(repo._id, true);
-    } catch (e) {
-      threwError = true;
-    }
-    expect(threwError).to.be.false;
-
-    // test with an undefined property
-    threwError = false;
-    testRepo = {
-      name: TEST_REPO.name,
-      url: TEST_REPO.url,
-    };
-    try {
-      const repo = await db.createRepo(testRepo);
-      await db.deleteRepo(repo._id, true);
-    } catch (e) {
-      threwError = true;
-    }
-    expect(threwError).to.be.false;
-  });
-
-  it('should NOT be able to create a repo with blank name or url', async function () {
-    // null name
-    let threwError = false;
-    let testRepo = {
-      project: TEST_REPO.project,
-      name: null,
-      url: TEST_REPO.url,
-    };
-    try {
-      await db.createRepo(testRepo);
-    } catch (e) {
-      threwError = true;
-    }
-    expect(threwError).to.be.true;
-
-    // blank name
-    threwError = false;
-    testRepo = {
-      project: TEST_REPO.project,
-      name: '',
-      url: TEST_REPO.url,
-    };
-    try {
-      await db.createRepo(testRepo);
-    } catch (e) {
-      threwError = true;
-    }
-    expect(threwError).to.be.true;
-
-    // undefined name
-    threwError = false;
-    testRepo = {
-      project: TEST_REPO.project,
-      url: TEST_REPO.url,
-    };
-    try {
-      await db.createRepo(testRepo);
-    } catch (e) {
-      threwError = true;
-    }
-    expect(threwError).to.be.true;
-
-    // null url
-    testRepo = {
-      project: TEST_REPO.project,
-      name: TEST_REPO.name,
-      url: null,
-    };
-    try {
-      await db.createRepo(testRepo);
-    } catch (e) {
-      threwError = true;
-    }
-    expect(threwError).to.be.true;
-
-    // blank url
-    testRepo = {
-      project: TEST_REPO.project,
-      name: TEST_REPO.name,
-      url: '',
-    };
-    try {
-      await db.createRepo(testRepo);
-    } catch (e) {
-      threwError = true;
-    }
-    expect(threwError).to.be.true;
-
-    // undefined url
-    testRepo = {
-      project: TEST_REPO.project,
-      name: TEST_REPO.name,
-    };
-    try {
-      await db.createRepo(testRepo);
-    } catch (e) {
-      threwError = true;
-    }
-    expect(threwError).to.be.true;
-  });
-
-  it('should throw an error when creating a user and username or email is not set', async function () {
-    // null username
-    let threwError = false;
-    let message = null;
-    try {
-      await db.createUser(
-        null,
-        TEST_USER.password,
-        TEST_USER.email,
-        TEST_USER.gitAccount,
-        TEST_USER.admin,
-      );
-    } catch (e) {
-      threwError = true;
-      message = e.message;
-    }
-    expect(threwError).to.be.true;
-    expect(message).to.equal('username cannot be empty');
-
-    // blank username
-    threwError = false;
-    try {
-      await db.createUser(
-        '',
-        TEST_USER.password,
-        TEST_USER.email,
-        TEST_USER.gitAccount,
-        TEST_USER.admin,
-      );
-    } catch (e) {
-      threwError = true;
-      message = e.message;
-    }
-    expect(threwError).to.be.true;
-    expect(message).to.equal('username cannot be empty');
-
-    // null email
-    threwError = false;
-    try {
-      await db.createUser(
-        TEST_USER.username,
-        TEST_USER.password,
-        null,
-        TEST_USER.gitAccount,
-        TEST_USER.admin,
-      );
-    } catch (e) {
-      threwError = true;
-      message = e.message;
-    }
-    expect(threwError).to.be.true;
-    expect(message).to.equal('email cannot be empty');
-
-    // blank username
-    threwError = false;
-    try {
-      await db.createUser(
-        TEST_USER.username,
-        TEST_USER.password,
-        '',
-        TEST_USER.gitAccount,
-        TEST_USER.admin,
-      );
-    } catch (e) {
-      threwError = true;
-      message = e.message;
-    }
-    expect(threwError).to.be.true;
-    expect(message).to.equal('email cannot be empty');
-  });
-
-  it('should be able to create a user', async function () {
-    await db.createUser(
-      TEST_USER.username,
-      TEST_USER.password,
-      TEST_USER.email,
-      TEST_USER.gitAccount,
-      TEST_USER.admin,
-    );
-    const users = await db.getUsers();
-    console.log('TEST USER:', JSON.stringify(TEST_USER, null, 2));
-    console.log('USERS:', JSON.stringify(users, null, 2));
-    // remove password as it will have been hashed
-
-    const { password: _, ...TEST_USER_CLEAN } = TEST_USER;
-    const cleanUsers = cleanResponseData(TEST_USER_CLEAN, users);
-    expect(cleanUsers).to.deep.include(TEST_USER_CLEAN);
-  });
-
-  it('should throw an error when creating a duplicate username', async function () {
-    let threwError = false;
-    let message = null;
-    try {
-      await db.createUser(
-        TEST_USER.username,
-        TEST_USER.password,
-        'prefix_' + TEST_USER.email,
-        TEST_USER.gitAccount,
-        TEST_USER.admin,
-      );
-    } catch (e) {
-      threwError = true;
-      message = e.message;
-    }
-    expect(threwError).to.be.true;
-    expect(message).to.equal(`user ${TEST_USER.username} already exists`);
-  });
-
-  it('should throw an error when creating a user with a duplicate email', async function () {
-    let threwError = false;
-    let message = null;
-    try {
-      await db.createUser(
-        'prefix_' + TEST_USER.username,
-        TEST_USER.password,
-        TEST_USER.email,
-        TEST_USER.gitAccount,
-        TEST_USER.admin,
-      );
-    } catch (e) {
-      threwError = true;
-      message = e.message;
-    }
-    expect(threwError).to.be.true;
-    expect(message).to.equal(`A user with email ${TEST_USER.email} already exists`);
-  });
-
-  it('should be able to find a user', async function () {
-    const user = await db.findUser(TEST_USER.username);
-
-    const { password: _, ...TEST_USER_CLEAN } = TEST_USER;
-
-    const { password: _2, _id: _3, ...DB_USER_CLEAN } = user;
-
-    expect(DB_USER_CLEAN).to.eql(TEST_USER_CLEAN);
-  });
-
-  it('should be able to filter getUsers', async function () {
-    // uppercase the filter value to confirm db client is lowercasing inputs
-    const users = await db.getUsers({ username: TEST_USER.username.toUpperCase() });
-
-    const { password: _, ...TEST_USER_CLEAN } = TEST_USER;
-    const cleanUsers = cleanResponseData(TEST_USER_CLEAN, users);
-    expect(cleanUsers[0]).to.eql(TEST_USER_CLEAN);
-
-    const users2 = await db.getUsers({ email: TEST_USER.email.toUpperCase() });
-    const cleanUsers2 = cleanResponseData(TEST_USER_CLEAN, users2);
-    expect(cleanUsers2[0]).to.eql(TEST_USER_CLEAN);
-  });
-
-  it('should be able to delete a user', async function () {
-    await db.deleteUser(TEST_USER.username);
-    const users = await db.getUsers();
-    const cleanUsers = cleanResponseData(TEST_USER, users);
-    expect(cleanUsers).to.not.deep.include(TEST_USER);
-  });
-
-  it('should be able to update a user', async function () {
-    await db.createUser(
-      TEST_USER.username,
-      TEST_USER.password,
-      TEST_USER.email,
-      TEST_USER.gitAccount,
-      TEST_USER.admin,
-    );
-
-    // has fewer properties to prove that records are merged
-    const updateToApply = {
-      username: TEST_USER.username,
-      gitAccount: 'updatedGitAccount',
-      admin: false,
-    };
-
-    const updatedUser = {
-      // remove password as it will have been hashed
-      username: TEST_USER.username,
-      email: TEST_USER.email,
-      gitAccount: 'updatedGitAccount',
-      admin: false,
-    };
-    await db.updateUser(updateToApply);
-
-    const users = await db.getUsers();
-    const cleanUsers = cleanResponseData(updatedUser, users);
-    expect(cleanUsers).to.deep.include(updatedUser);
-    await db.deleteUser(TEST_USER.username);
-  });
-
-  it('should be able to create a user via updateUser', async function () {
-    await db.updateUser(TEST_USER);
-
-    const users = await db.getUsers();
-    // remove password as it will have been hashed
-
-    const { password: _, ...TEST_USER_CLEAN } = TEST_USER;
-    const cleanUsers = cleanResponseData(TEST_USER_CLEAN, users);
-    expect(cleanUsers).to.deep.include(TEST_USER_CLEAN);
-    // leave user in place for next test(s)
-  });
-
-  it('should throw an error when authorising a user to push on non-existent repo', async function () {
-    let threwError = false;
-    try {
-      // uppercase the filter value to confirm db client is lowercasing inputs
-      await db.addUserCanPush(TEST_NONEXISTENT_REPO._id, TEST_USER.username);
-    } catch (e) {
-      threwError = true;
-    }
-    expect(threwError).to.be.true;
-  });
-
-  it('should be able to authorise a user to push and confirm that they can', async function () {
-    // first create the repo and check that user is not allowed to push
-    await db.createRepo(TEST_REPO);
-
-    let allowed = await db.isUserPushAllowed(TEST_REPO.url, TEST_USER.username);
-    expect(allowed).to.be.false;
-
-    const repo = await db.getRepoByUrl(TEST_REPO.url);
-
-    // uppercase the filter value to confirm db client is lowercasing inputs
-    await db.addUserCanPush(repo._id, TEST_USER.username.toUpperCase());
-
-    // repeat, should not throw an error if already set
-    await db.addUserCanPush(repo._id, TEST_USER.username.toUpperCase());
-
-    // confirm the setting exists
-    allowed = await db.isUserPushAllowed(TEST_REPO.url, TEST_USER.username);
-    expect(allowed).to.be.true;
-
-    // confirm that casing doesn't matter
-    allowed = await db.isUserPushAllowed(TEST_REPO.url, TEST_USER.username.toUpperCase());
-    expect(allowed).to.be.true;
-  });
-
-  it('should throw an error when de-authorising a user to push on non-existent repo', async function () {
-    let threwError = false;
-    try {
-      await db.removeUserCanPush(TEST_NONEXISTENT_REPO._id, TEST_USER.username);
-    } catch (e) {
-      threwError = true;
-    }
-    expect(threwError).to.be.true;
-  });
-
-  it("should be able to de-authorise a user to push and confirm that they can't", async function () {
-    let threwError = false;
-    try {
-      // repo should already exist with user able to push after previous test
-      let allowed = await db.isUserPushAllowed(TEST_REPO.url, TEST_USER.username);
-      expect(allowed).to.be.true;
-
-      const repo = await db.getRepoByUrl(TEST_REPO.url);
-
-      // uppercase the filter value to confirm db client is lowercasing inputs
-      await db.removeUserCanPush(repo._id, TEST_USER.username.toUpperCase());
-
-      // repeat, should not throw an error if already unset
-      await db.removeUserCanPush(repo._id, TEST_USER.username.toUpperCase());
-
-      // confirm the setting exists
-      allowed = await db.isUserPushAllowed(TEST_REPO.url, TEST_USER.username);
-      expect(allowed).to.be.false;
-
-      // confirm that casing doesn't matter
-      allowed = await db.isUserPushAllowed(TEST_REPO.url, TEST_USER.username.toUpperCase());
-      expect(allowed).to.be.false;
-    } catch (e) {
-      console.error('Error thrown at: ' + e.stack, e);
-      threwError = true;
-    }
-    expect(threwError).to.be.false;
-  });
-
-  it('should throw an error when authorising a user to authorise on non-existent repo', async function () {
-    let threwError = false;
-    try {
-      await db.addUserCanAuthorise(TEST_NONEXISTENT_REPO._id, TEST_USER.username);
-    } catch (e) {
-      threwError = true;
-    }
-    expect(threwError).to.be.true;
-  });
-
-  it('should throw an error when de-authorising a user to push on non-existent repo', async function () {
-    let threwError = false;
-    try {
-      // uppercase the filter value to confirm db client is lowercasing inputs
-      await db.removeUserCanAuthorise(TEST_NONEXISTENT_REPO._id, TEST_USER.username);
-    } catch (e) {
-      threwError = true;
-    }
-    expect(threwError).to.be.true;
-  });
-
-  it('should NOT throw an error when checking whether a user can push on non-existent repo', async function () {
-    const allowed = await db.isUserPushAllowed(TEST_NONEXISTENT_REPO.url, TEST_USER.username);
-    expect(allowed).to.be.false;
-  });
-
-  it('should be able to create a push', async function () {
-    await db.writeAudit(TEST_PUSH);
-    const pushes = await db.getPushes();
-    const cleanPushes = cleanResponseData(TEST_PUSH, pushes);
-    expect(cleanPushes).to.deep.include(TEST_PUSH);
-  });
-
-  it('should be able to delete a push', async function () {
-    await db.deletePush(TEST_PUSH.id);
-    const pushes = await db.getPushes();
-    const cleanPushes = cleanResponseData(TEST_PUSH, pushes);
-    expect(cleanPushes).to.not.deep.include(TEST_PUSH);
-  });
-
-  it('should be able to authorise a push', async function () {
-    // first create the push
-    await db.writeAudit(TEST_PUSH);
-    let threwError = false;
-    try {
-      const msg = await db.authorise(TEST_PUSH.id);
-      expect(msg).to.have.property('message');
-    } catch (e) {
-      console.error('Error: ', e);
-      threwError = true;
-    }
-    expect(threwError).to.be.false;
-    // clean up
-    await db.deletePush(TEST_PUSH.id);
-  });
-
-  it('should throw an error when authorising a non-existent a push', async function () {
-    let threwError = false;
-    try {
-      await db.authorise(TEST_PUSH.id);
-    } catch (e) {
-      threwError = true;
-    }
-    expect(threwError).to.be.true;
-  });
-
-  it('should be able to reject a push', async function () {
-    // first create the push
-    await db.writeAudit(TEST_PUSH);
-    let threwError = false;
-    try {
-      const msg = await db.reject(TEST_PUSH.id);
-      expect(msg).to.have.property('message');
-    } catch (e) {
-      threwError = true;
-    }
-    expect(threwError).to.be.false;
-    // clean up
-    await db.deletePush(TEST_PUSH.id);
-  });
-
-  it('should throw an error when rejecting a non-existent a push', async function () {
-    let threwError = false;
-    try {
-      await db.reject(TEST_PUSH.id);
-    } catch (e) {
-      threwError = true;
-    }
-    expect(threwError).to.be.true;
-  });
-
-  it('should be able to cancel a push', async function () {
-    // first create the push
-    await db.writeAudit(TEST_PUSH);
-    let threwError = false;
-    try {
-      const msg = await db.cancel(TEST_PUSH.id);
-      expect(msg).to.have.property('message');
-    } catch (e) {
-      threwError = true;
-    }
-    expect(threwError).to.be.false;
-    // clean up
-    await db.deletePush(TEST_PUSH.id);
-  });
-
-  it('should throw an error when cancelling a non-existent a push', async function () {
-    let threwError = false;
-    try {
-      await db.cancel(TEST_PUSH.id);
-    } catch (e) {
-      threwError = true;
-    }
-    expect(threwError).to.be.true;
-  });
-
-  it('should be able to check if a user can cancel push', async function () {
-    let threwError = false;
-    try {
-      const repo = await db.getRepoByUrl(TEST_REPO.url);
-
-      // push does not exist yet, should return false
-      let allowed = await db.canUserCancelPush(TEST_PUSH.id, TEST_USER.username);
-      expect(allowed).to.be.false;
-
-      // create the push - user should already exist and not authorised to push
-      await db.writeAudit(TEST_PUSH);
-      allowed = await db.canUserCancelPush(TEST_PUSH.id, TEST_USER.username);
-      expect(allowed).to.be.false;
-
-      // authorise user and recheck
-      await db.addUserCanPush(repo._id, TEST_USER.username);
-      allowed = await db.canUserCancelPush(TEST_PUSH.id, TEST_USER.username);
-      expect(allowed).to.be.true;
-
-      // deauthorise user and recheck
-      await db.removeUserCanPush(repo._id, TEST_USER.username);
-      allowed = await db.canUserCancelPush(TEST_PUSH.id, TEST_USER.username);
-      expect(allowed).to.be.false;
-    } catch (e) {
-      console.error(e);
-      threwError = true;
-    }
-    expect(threwError).to.be.false;
-    // clean up
-    await db.deletePush(TEST_PUSH.id);
-  });
-
-  it('should be able to check if a user can approve/reject push', async function () {
-    let allowed = undefined;
-
-    try {
-      // push does not exist yet, should return false
-      allowed = await db.canUserApproveRejectPush(TEST_PUSH.id, TEST_USER.username);
-      expect(allowed).to.be.false;
-    } catch (e) {
-      expect.fail(e);
-    }
-
-    try {
-      // create the push - user should already exist and not authorised to push
-      await db.writeAudit(TEST_PUSH);
-      allowed = await db.canUserApproveRejectPush(TEST_PUSH.id, TEST_USER.username);
-      expect(allowed).to.be.false;
-    } catch (e) {
-      expect.fail(e);
-    }
-
-    try {
-      const repo = await db.getRepoByUrl(TEST_REPO.url);
-
-      // authorise user and recheck
-      await db.addUserCanAuthorise(repo._id, TEST_USER.username);
-      allowed = await db.canUserApproveRejectPush(TEST_PUSH.id, TEST_USER.username);
-      expect(allowed).to.be.true;
-
-      // deauthorise user and recheck
-      await db.removeUserCanAuthorise(repo._id, TEST_USER.username);
-      allowed = await db.canUserApproveRejectPush(TEST_PUSH.id, TEST_USER.username);
-      expect(allowed).to.be.false;
-    } catch (e) {
-      expect.fail(e);
-    }
-
-    // clean up
-    await db.deletePush(TEST_PUSH.id);
-  });
-
-  it('should be able to check if a user can approve/reject push including .git within the repo name', async function () {
-    let allowed = undefined;
-    const repo = await db.createRepo(TEST_REPO_DOT_GIT);
-    try {
-      // push does not exist yet, should return false
-      allowed = await db.canUserApproveRejectPush(TEST_PUSH_DOT_GIT.id, TEST_USER.username);
-      expect(allowed).to.be.false;
-    } catch (e) {
-      expect.fail(e);
-    }
-
-    try {
-      // create the push - user should already exist and not authorised to push
-      await db.writeAudit(TEST_PUSH_DOT_GIT);
-      allowed = await db.canUserApproveRejectPush(TEST_PUSH_DOT_GIT.id, TEST_USER.username);
-      expect(allowed).to.be.false;
-    } catch (e) {
-      expect.fail(e);
-    }
-
-    try {
-      // authorise user and recheck
-      await db.addUserCanAuthorise(repo._id, TEST_USER.username);
-      allowed = await db.canUserApproveRejectPush(TEST_PUSH_DOT_GIT.id, TEST_USER.username);
-      expect(allowed).to.be.true;
-    } catch (e) {
-      expect.fail(e);
-    }
-
-    // clean up
-    await db.deletePush(TEST_PUSH_DOT_GIT.id);
-    await db.removeUserCanAuthorise(repo._id, TEST_USER.username);
-  });
-
-  after(async function () {
-    // _id is autogenerated by the DB so we need to retrieve it before we can use it
-    const repo = await db.getRepoByUrl(TEST_REPO.url);
-    await db.deleteRepo(repo._id, true);
-    const repoDotGit = await db.getRepoByUrl(TEST_REPO_DOT_GIT.url);
-    await db.deleteRepo(repoDotGit._id);
-    await db.deleteUser(TEST_USER.username);
-    await db.deletePush(TEST_PUSH.id);
-    await db.deletePush(TEST_PUSH_DOT_GIT.id);
-  });
-});
diff --git a/test/testDb.test.ts b/test/testDb.test.ts
new file mode 100644
index 000000000..20e478f97
--- /dev/null
+++ b/test/testDb.test.ts
@@ -0,0 +1,666 @@
+import { describe, it, expect, beforeAll, afterAll } from 'vitest';
+import * as db from '../src/db';
+import { Repo, User } from '../src/db/types';
+import { Action } from '../src/proxy/actions/Action';
+import { Step } from '../src/proxy/actions/Step';
+import { AuthorisedRepo } from '../src/config/generated/config';
+
+const TEST_REPO = {
+  project: 'finos',
+  name: 'db-test-repo',
+  url: 'https://github.com/finos/db-test-repo.git',
+};
+
+const TEST_NONEXISTENT_REPO = {
+  project: 'MegaCorp',
+  name: 'repo',
+  url: 'https://example.com/MegaCorp/MegaGroup/repo.git',
+  _id: 'ABCDEFGHIJKLMNOP',
+};
+
+const TEST_USER = {
+  username: 'db-u1',
+  password: 'abc',
+  gitAccount: 'db-test-user',
+  email: 'db-test@test.com',
+  admin: true,
+};
+
+const TEST_PUSH = {
+  steps: [],
+  error: false,
+  blocked: true,
+  allowPush: false,
+  authorised: false,
+  canceled: true,
+  rejected: false,
+  autoApproved: false,
+  autoRejected: false,
+  commitData: [],
+  id: '0000000000000000000000000000000000000000__1744380874110',
+  type: 'push',
+  method: 'get',
+  timestamp: 1744380903338,
+  project: 'finos',
+  repoName: 'db-test-repo.git',
+  url: TEST_REPO.url,
+  repo: 'finos/db-test-repo.git',
+  user: 'db-test-user',
+  userEmail: 'db-test@test.com',
+  lastStep: null,
+  blockedMessage:
+    '\n\n\nGitProxy has received your push:\n\nhttp://localhost:8080/requests/0000000000000000000000000000000000000000__1744380874110\n\n\n',
+  _id: 'GIMEz8tU2KScZiTz',
+  attestation: null,
+};
+
+const TEST_REPO_DOT_GIT = {
+  project: 'finos',
+  name: 'db.git-test-repo',
+  url: 'https://github.com/finos/db.git-test-repo.git',
+};
+
+// the same as TEST_PUSH but with .git somewhere valid within the name
+// to ensure a global replace isn't done when trimming, just to the end
+const TEST_PUSH_DOT_GIT = {
+  ...TEST_PUSH,
+  repoName: 'db.git-test-repo.git',
+  url: 'https://github.com/finos/db.git-test-repo.git',
+  repo: 'finos/db.git-test-repo.git',
+};
+
+/**
+ * Clean up response data from the DB by removing an extraneous properties,
+ * allowing comparison with expect.
+ * @param {object} example Example element from which columns to retain are extracted
+ * @param {array | object} responses Array of responses to clean.
+ * @return {array}  Array of cleaned up responses.
+ */
+const cleanResponseData = <T extends object>(example: T, responses: T[] | T): T[] | T => {
+  const columns = Object.keys(example);
+
+  if (Array.isArray(responses)) {
+    return responses.map((response) => {
+      const cleanResponse: Partial<T> = {};
+      columns.forEach((col) => {
+        // @ts-expect-error dynamic indexing
+        cleanResponse[col] = response[col];
+      });
+      return cleanResponse as T;
+    });
+  } else if (typeof responses === 'object') {
+    const cleanResponse: Partial<T> = {};
+    columns.forEach((col) => {
+      // @ts-expect-error dynamic indexing
+      cleanResponse[col] = responses[col];
+    });
+    return cleanResponse as T;
+  } else {
+    throw new Error(`Can only clean arrays or objects, but a ${typeof responses} was passed`);
+  }
+};
+
+describe('Database clients', () => {
+  beforeAll(async function () {});
+
+  it('should be able to construct a repo instance', () => {
+    const repo = new Repo(
+      'project',
+      'name',
+      'https://github.com/finos.git-proxy.git',
+      undefined,
+      'id',
+    );
+    expect(repo._id).toBe('id');
+    expect(repo.project).toBe('project');
+    expect(repo.name).toBe('name');
+    expect(repo.url).toBe('https://github.com/finos.git-proxy.git');
+    expect(repo.users).toEqual({ canPush: [], canAuthorise: [] });
+
+    const repo2 = new Repo(
+      'project',
+      'name',
+      'https://github.com/finos.git-proxy.git',
+      { canPush: ['bill'], canAuthorise: ['ben'] },
+      'id',
+    );
+    expect(repo2.users).toEqual({ canPush: ['bill'], canAuthorise: ['ben'] });
+  });
+
+  it('should be able to construct a user instance', () => {
+    const user = new User(
+      'username',
+      'password',
+      'gitAccount',
+      'email@domain.com',
+      true,
+      null,
+      'id',
+    );
+    expect(user.username).toBe('username');
+    expect(user.gitAccount).toBe('gitAccount');
+    expect(user.email).toBe('email@domain.com');
+    expect(user.admin).toBe(true);
+    expect(user.oidcId).toBeNull();
+    expect(user._id).toBe('id');
+
+    const user2 = new User(
+      'username',
+      'password',
+      'gitAccount',
+      'email@domain.com',
+      false,
+      'oidcId',
+      'id',
+    );
+    expect(user2.admin).toBe(false);
+    expect(user2.oidcId).toBe('oidcId');
+  });
+
+  it('should be able to construct a valid action instance', () => {
+    const action = new Action(
+      'id',
+      'type',
+      'method',
+      Date.now(),
+      'https://github.com/finos/git-proxy.git',
+    );
+    expect(action.project).toBe('finos');
+    expect(action.repoName).toBe('git-proxy.git');
+  });
+
+  it('should be able to block an action by adding a blocked step', () => {
+    const action = new Action(
+      'id',
+      'type',
+      'method',
+      Date.now(),
+      'https://github.com/finos.git-proxy.git',
+    );
+    const step = new Step('stepName', false, null, false, null);
+    step.setAsyncBlock('blockedMessage');
+    action.addStep(step);
+    expect(action.blocked).toBe(true);
+    expect(action.blockedMessage).toBe('blockedMessage');
+    expect(action.getLastStep()).toEqual(step);
+    expect(action.continue()).toBe(false);
+  });
+
+  it('should be able to error an action by adding a step with an error', () => {
+    const action = new Action(
+      'id',
+      'type',
+      'method',
+      Date.now(),
+      'https://github.com/finos.git-proxy.git',
+    );
+    const step = new Step('stepName', true, 'errorMessage', false, null);
+    action.addStep(step);
+    expect(action.error).toBe(true);
+    expect(action.errorMessage).toBe('errorMessage');
+    expect(action.getLastStep()).toEqual(step);
+    expect(action.continue()).toBe(false);
+  });
+
+  it('should be able to create a repo', async () => {
+    await db.createRepo(TEST_REPO);
+    const repos = await db.getRepos();
+    const cleanRepos = cleanResponseData(TEST_REPO, repos) as (typeof TEST_REPO)[];
+    expect(cleanRepos).toContainEqual(TEST_REPO);
+  });
+
+  it('should be able to filter repos', async () => {
+    // uppercase the filter value to confirm db client is lowercasing inputs
+    const repos = await db.getRepos({ name: TEST_REPO.name.toUpperCase() });
+    const cleanRepos = cleanResponseData(TEST_REPO, repos);
+    // @ts-expect-error dynamic indexing
+    expect(cleanRepos[0]).toEqual(TEST_REPO);
+
+    const repos2 = await db.getRepos({ url: TEST_REPO.url });
+    const cleanRepos2 = cleanResponseData(TEST_REPO, repos2);
+    // @ts-expect-error dynamic indexing
+    expect(cleanRepos2[0]).toEqual(TEST_REPO);
+
+    const repos3 = await db.getRepos();
+    const repos4 = await db.getRepos({});
+    expect(repos3).toEqual(expect.arrayContaining(repos4));
+    expect(repos4).toEqual(expect.arrayContaining(repos3));
+  });
+
+  it('should be able to retrieve a repo by url', async () => {
+    const repo = await db.getRepoByUrl(TEST_REPO.url);
+    if (!repo) {
+      throw new Error('Repo not found');
+    }
+
+    const cleanRepo = cleanResponseData(TEST_REPO, repo);
+    expect(cleanRepo).toEqual(TEST_REPO);
+  });
+
+  it('should be able to retrieve a repo by id', async () => {
+    // _id is autogenerated by the DB so we need to retrieve it before we can use it
+    const repo = await db.getRepoByUrl(TEST_REPO.url);
+    if (!repo || !repo._id) {
+      throw new Error('Repo not found');
+    }
+
+    const repoById = await db.getRepoById(repo._id);
+    const cleanRepo = cleanResponseData(TEST_REPO, repoById!);
+    expect(cleanRepo).toEqual(TEST_REPO);
+  });
+
+  it('should be able to delete a repo', async () => {
+    // _id is autogenerated by the DB so we need to retrieve it before we can use it
+    const repo = await db.getRepoByUrl(TEST_REPO.url);
+    if (!repo || !repo._id) {
+      throw new Error('Repo not found');
+    }
+
+    await db.deleteRepo(repo._id);
+    const repos = await db.getRepos();
+    const cleanRepos = cleanResponseData(TEST_REPO, repos);
+    expect(cleanRepos).not.toContainEqual(TEST_REPO);
+  });
+
+  it('should be able to create a repo with a blank project', async () => {
+    const variations = [
+      { project: null, name: TEST_REPO.name, url: TEST_REPO.url }, // null value
+      { project: '', name: TEST_REPO.name, url: TEST_REPO.url }, // empty string
+      { name: TEST_REPO.name, url: TEST_REPO.url }, // project undefined
+    ];
+
+    for (const testRepo of variations) {
+      let threwError = false;
+      try {
+        const repo = await db.createRepo(testRepo as AuthorisedRepo);
+        await db.deleteRepo(repo._id);
+      } catch {
+        threwError = true;
+      }
+      expect(threwError).toBe(false);
+    }
+  });
+
+  it('should NOT be able to create a repo with blank name or url', async () => {
+    const invalids = [
+      { project: TEST_REPO.project, name: null, url: TEST_REPO.url }, // null name
+      { project: TEST_REPO.project, name: '', url: TEST_REPO.url }, // blank name
+      { project: TEST_REPO.project, url: TEST_REPO.url }, // undefined name
+      { project: TEST_REPO.project, name: TEST_REPO.name, url: null }, // null url
+      { project: TEST_REPO.project, name: TEST_REPO.name, url: '' }, // blank url
+      { project: TEST_REPO.project, name: TEST_REPO.name }, // undefined url
+    ];
+
+    for (const bad of invalids) {
+      await expect(db.createRepo(bad as AuthorisedRepo)).rejects.toThrow();
+    }
+  });
+
+  it('should throw an error when creating a user and username or email is not set', async () => {
+    // null username
+    await expect(
+      db.createUser(
+        null as any,
+        TEST_USER.password,
+        TEST_USER.email,
+        TEST_USER.gitAccount,
+        TEST_USER.admin,
+      ),
+    ).rejects.toThrow('username cannot be empty');
+
+    // blank username
+    await expect(
+      db.createUser('', TEST_USER.password, TEST_USER.email, TEST_USER.gitAccount, TEST_USER.admin),
+    ).rejects.toThrow('username cannot be empty');
+
+    // null email
+    await expect(
+      db.createUser(
+        TEST_USER.username,
+        TEST_USER.password,
+        null as any,
+        TEST_USER.gitAccount,
+        TEST_USER.admin,
+      ),
+    ).rejects.toThrow('email cannot be empty');
+
+    // blank email
+    await expect(
+      db.createUser(
+        TEST_USER.username,
+        TEST_USER.password,
+        '',
+        TEST_USER.gitAccount,
+        TEST_USER.admin,
+      ),
+    ).rejects.toThrow('email cannot be empty');
+  });
+
+  it('should be able to create a user', async () => {
+    await db.createUser(
+      TEST_USER.username,
+      TEST_USER.password,
+      TEST_USER.email,
+      TEST_USER.gitAccount,
+      TEST_USER.admin,
+    );
+    const users = await db.getUsers();
+    // remove password as it will have been hashed
+    const { password: _, ...TEST_USER_CLEAN } = TEST_USER;
+    const cleanUsers = cleanResponseData(TEST_USER_CLEAN, users);
+    expect(cleanUsers).toContainEqual(TEST_USER_CLEAN);
+  });
+
+  it('should throw an error when creating a duplicate username', async () => {
+    await expect(
+      db.createUser(
+        TEST_USER.username,
+        TEST_USER.password,
+        'prefix_' + TEST_USER.email,
+        TEST_USER.gitAccount,
+        TEST_USER.admin,
+      ),
+    ).rejects.toThrow(`user ${TEST_USER.username} already exists`);
+  });
+
+  it('should throw an error when creating a user with a duplicate email', async () => {
+    await expect(
+      db.createUser(
+        'prefix_' + TEST_USER.username,
+        TEST_USER.password,
+        TEST_USER.email,
+        TEST_USER.gitAccount,
+        TEST_USER.admin,
+      ),
+    ).rejects.toThrow(`A user with email ${TEST_USER.email} already exists`);
+  });
+
+  it('should be able to find a user', async () => {
+    const user = await db.findUser(TEST_USER.username);
+    const { password: _, ...TEST_USER_CLEAN } = TEST_USER;
+    const { password: _2, _id: _3, ...DB_USER_CLEAN } = user!;
+    expect(DB_USER_CLEAN).toEqual(TEST_USER_CLEAN);
+  });
+
+  it('should be able to filter getUsers', async () => {
+    const users = await db.getUsers({ username: TEST_USER.username.toUpperCase() });
+    const { password: _, ...TEST_USER_CLEAN } = TEST_USER;
+    const cleanUsers = cleanResponseData(TEST_USER_CLEAN, users);
+    // @ts-expect-error dynamic indexing
+    expect(cleanUsers[0]).toEqual(TEST_USER_CLEAN);
+
+    const users2 = await db.getUsers({ email: TEST_USER.email.toUpperCase() });
+    const cleanUsers2 = cleanResponseData(TEST_USER_CLEAN, users2);
+    // @ts-expect-error dynamic indexing
+    expect(cleanUsers2[0]).toEqual(TEST_USER_CLEAN);
+  });
+
+  it('should be able to delete a user', async () => {
+    await db.deleteUser(TEST_USER.username);
+    const users = await db.getUsers();
+    const cleanUsers = cleanResponseData(TEST_USER, users as any);
+    expect(cleanUsers).not.toContainEqual(TEST_USER);
+  });
+
+  it('should be able to update a user', async () => {
+    await db.createUser(
+      TEST_USER.username,
+      TEST_USER.password,
+      TEST_USER.email,
+      TEST_USER.gitAccount,
+      TEST_USER.admin,
+    );
+
+    // has fewer properties to prove that records are merged
+    const updateToApply = {
+      username: TEST_USER.username,
+      gitAccount: 'updatedGitAccount',
+      admin: false,
+    };
+
+    const updatedUser = {
+      // remove password as it will have been hashed
+      username: TEST_USER.username,
+      email: TEST_USER.email,
+      gitAccount: 'updatedGitAccount',
+      admin: false,
+    };
+
+    await db.updateUser(updateToApply);
+
+    const users = await db.getUsers();
+    const cleanUsers = cleanResponseData(updatedUser, users);
+    expect(cleanUsers).toContainEqual(updatedUser);
+
+    await db.deleteUser(TEST_USER.username);
+  });
+
+  it('should be able to create a user via updateUser', async () => {
+    await db.updateUser(TEST_USER);
+    const users = await db.getUsers();
+    // remove password as it will have been hashed
+    const { password: _, ...TEST_USER_CLEAN } = TEST_USER;
+    const cleanUsers = cleanResponseData(TEST_USER_CLEAN, users);
+    expect(cleanUsers).toContainEqual(TEST_USER_CLEAN);
+  });
+
+  it('should throw an error when authorising a user to push on non-existent repo', async () => {
+    await expect(
+      db.addUserCanPush(TEST_NONEXISTENT_REPO._id, TEST_USER.username),
+    ).rejects.toThrow();
+  });
+
+  it('should be able to authorise a user to push and confirm that they can', async () => {
+    // first create the repo and check that user is not allowed to push
+    await db.createRepo(TEST_REPO);
+
+    let allowed = await db.isUserPushAllowed(TEST_REPO.url, TEST_USER.username);
+    expect(allowed).toBe(false);
+
+    const repo = await db.getRepoByUrl(TEST_REPO.url);
+    if (!repo || !repo._id) {
+      throw new Error('Repo not found');
+    }
+
+    // uppercase the filter value to confirm db client is lowercasing inputs
+    await db.addUserCanPush(repo._id, TEST_USER.username.toUpperCase());
+
+    // repeat, should not throw an error if already set
+    await db.addUserCanPush(repo._id, TEST_USER.username.toUpperCase());
+
+    // confirm the setting exists
+    allowed = await db.isUserPushAllowed(TEST_REPO.url, TEST_USER.username);
+    expect(allowed).toBe(true);
+
+    // confirm that casing doesn't matter
+    allowed = await db.isUserPushAllowed(TEST_REPO.url, TEST_USER.username.toUpperCase());
+    expect(allowed).toBe(true);
+  });
+
+  it('should throw an error when de-authorising a user to push on non-existent repo', async () => {
+    await expect(
+      db.removeUserCanPush(TEST_NONEXISTENT_REPO._id, TEST_USER.username),
+    ).rejects.toThrow();
+  });
+
+  it("should be able to de-authorise a user to push and confirm that they can't", async () => {
+    // repo should already exist with user able to push after previous test
+    let allowed = await db.isUserPushAllowed(TEST_REPO.url, TEST_USER.username);
+    expect(allowed).toBe(true);
+
+    const repo = await db.getRepoByUrl(TEST_REPO.url);
+    if (!repo || !repo._id) {
+      throw new Error('Repo not found');
+    }
+
+    // uppercase the filter value to confirm db client is lowercasing inputs
+    await db.removeUserCanPush(repo._id, TEST_USER.username.toUpperCase());
+
+    // repeat, should not throw an error if already set
+    await db.removeUserCanPush(repo._id, TEST_USER.username.toUpperCase());
+
+    // confirm the setting exists
+    allowed = await db.isUserPushAllowed(TEST_REPO.url, TEST_USER.username);
+    expect(allowed).toBe(false);
+
+    // confirm that casing doesn't matter
+    allowed = await db.isUserPushAllowed(TEST_REPO.url, TEST_USER.username.toUpperCase());
+    expect(allowed).toBe(false);
+  });
+
+  it('should throw an error when authorising a user to authorise on non-existent repo', async () => {
+    await expect(
+      db.addUserCanAuthorise(TEST_NONEXISTENT_REPO._id, TEST_USER.username),
+    ).rejects.toThrow();
+  });
+
+  it('should throw an error when de-authorising a user to push on non-existent repo', async () => {
+    await expect(
+      db.removeUserCanAuthorise(TEST_NONEXISTENT_REPO._id, TEST_USER.username),
+    ).rejects.toThrow();
+  });
+
+  it('should NOT throw an error when checking whether a user can push on non-existent repo', async () => {
+    const allowed = await db.isUserPushAllowed(TEST_NONEXISTENT_REPO.url, TEST_USER.username);
+    expect(allowed).toBe(false);
+  });
+
+  it('should be able to create a push', async () => {
+    await db.writeAudit(TEST_PUSH as any);
+    const pushes = await db.getPushes({});
+    const cleanPushes = cleanResponseData(TEST_PUSH, pushes as any);
+    expect(cleanPushes).toContainEqual(TEST_PUSH);
+  }, 20000);
+
+  it('should be able to delete a push', async () => {
+    await db.deletePush(TEST_PUSH.id);
+    const pushes = await db.getPushes({});
+    const cleanPushes = cleanResponseData(TEST_PUSH, pushes as any);
+    expect(cleanPushes).not.toContainEqual(TEST_PUSH);
+  });
+
+  it('should be able to authorise a push', async () => {
+    await db.writeAudit(TEST_PUSH as any);
+    const msg = await db.authorise(TEST_PUSH.id, null);
+    expect(msg).toHaveProperty('message');
+    await db.deletePush(TEST_PUSH.id);
+  });
+
+  it('should throw an error when authorising a non-existent a push', async () => {
+    await expect(db.authorise(TEST_PUSH.id, null)).rejects.toThrow();
+  });
+
+  it('should be able to reject a push', async () => {
+    await db.writeAudit(TEST_PUSH as any);
+    const msg = await db.reject(TEST_PUSH.id, null);
+    expect(msg).toHaveProperty('message');
+    await db.deletePush(TEST_PUSH.id);
+  });
+
+  it('should throw an error when rejecting a non-existent a push', async () => {
+    await expect(db.reject(TEST_PUSH.id, null)).rejects.toThrow();
+  });
+
+  it('should be able to cancel a push', async () => {
+    await db.writeAudit(TEST_PUSH as any);
+    const msg = await db.cancel(TEST_PUSH.id);
+    expect(msg).toHaveProperty('message');
+    await db.deletePush(TEST_PUSH.id);
+  });
+
+  it('should throw an error when cancelling a non-existent a push', async () => {
+    await expect(db.cancel(TEST_PUSH.id)).rejects.toThrow();
+  });
+
+  it('should be able to check if a user can cancel push', async () => {
+    const repo = await db.getRepoByUrl(TEST_REPO.url);
+    if (!repo || !repo._id) {
+      throw new Error('Repo not found');
+    }
+
+    // push does not exist yet, should return false
+    let allowed = await db.canUserCancelPush(TEST_PUSH.id, TEST_USER.username);
+    expect(allowed).toBe(false);
+
+    // create the push - user should already exist and not authorised to push
+    await db.writeAudit(TEST_PUSH as any);
+    allowed = await db.canUserCancelPush(TEST_PUSH.id, TEST_USER.username);
+    expect(allowed).toBe(false);
+
+    // authorise user and recheck
+    await db.addUserCanPush(repo._id, TEST_USER.username);
+    allowed = await db.canUserCancelPush(TEST_PUSH.id, TEST_USER.username);
+    expect(allowed).toBe(true);
+
+    // deauthorise user and recheck
+    await db.removeUserCanPush(repo._id, TEST_USER.username);
+    allowed = await db.canUserCancelPush(TEST_PUSH.id, TEST_USER.username);
+    expect(allowed).toBe(false);
+
+    // clean up
+    await db.deletePush(TEST_PUSH.id);
+  });
+
+  it('should be able to check if a user can approve/reject push', async () => {
+    let allowed = await db.canUserApproveRejectPush(TEST_PUSH.id, TEST_USER.username);
+    expect(allowed).toBe(false);
+
+    // push does not exist yet, should return false
+    await db.writeAudit(TEST_PUSH as any);
+    allowed = await db.canUserApproveRejectPush(TEST_PUSH.id, TEST_USER.username);
+    expect(allowed).toBe(false);
+
+    // create the push - user should already exist and not authorised to push
+    const repo = await db.getRepoByUrl(TEST_REPO.url);
+    if (!repo || !repo._id) {
+      throw new Error('Repo not found');
+    }
+
+    await db.addUserCanAuthorise(repo._id, TEST_USER.username);
+    allowed = await db.canUserApproveRejectPush(TEST_PUSH.id, TEST_USER.username);
+    expect(allowed).toBe(true);
+
+    // deauthorise user and recheck
+    await db.removeUserCanAuthorise(repo._id, TEST_USER.username);
+    allowed = await db.canUserApproveRejectPush(TEST_PUSH.id, TEST_USER.username);
+    expect(allowed).toBe(false);
+
+    // clean up
+    await db.deletePush(TEST_PUSH.id);
+  });
+
+  it('should be able to check if a user can approve/reject push including .git within the repo name', async () => {
+    const repo = await db.createRepo(TEST_REPO_DOT_GIT);
+
+    // push does not exist yet, should return false
+    let allowed = await db.canUserApproveRejectPush(TEST_PUSH_DOT_GIT.id, TEST_USER.username);
+    expect(allowed).toBe(false);
+
+    // create the push - user should already exist and not authorised to push
+    await db.writeAudit(TEST_PUSH_DOT_GIT as any);
+    allowed = await db.canUserApproveRejectPush(TEST_PUSH_DOT_GIT.id, TEST_USER.username);
+    expect(allowed).toBe(false);
+
+    // authorise user and recheck
+    await db.addUserCanAuthorise(repo._id, TEST_USER.username);
+    allowed = await db.canUserApproveRejectPush(TEST_PUSH_DOT_GIT.id, TEST_USER.username);
+    expect(allowed).toBe(true);
+
+    // clean up
+    await db.deletePush(TEST_PUSH_DOT_GIT.id);
+    await db.removeUserCanAuthorise(repo._id, TEST_USER.username);
+  });
+
+  afterAll(async () => {
+    // _id is autogenerated by the DB so we need to retrieve it before we can use it
+    const repo = await db.getRepoByUrl(TEST_REPO.url);
+    if (repo) await db.deleteRepo(repo._id!);
+
+    const repoDotGit = await db.getRepoByUrl(TEST_REPO_DOT_GIT.url);
+    if (repoDotGit) await db.deleteRepo(repoDotGit._id!);
+
+    await db.deleteUser(TEST_USER.username);
+    await db.deletePush(TEST_PUSH.id);
+    await db.deletePush(TEST_PUSH_DOT_GIT.id);
+  });
+});
diff --git a/test/testJwtAuthHandler.test.js b/test/testJwtAuthHandler.test.js
deleted file mode 100644
index cf0ee8f09..000000000
--- a/test/testJwtAuthHandler.test.js
+++ /dev/null
@@ -1,208 +0,0 @@
-const { expect } = require('chai');
-const sinon = require('sinon');
-const axios = require('axios');
-const jwt = require('jsonwebtoken');
-const { jwkToBuffer } = require('jwk-to-pem');
-
-const { assignRoles, getJwks, validateJwt } = require('../src/service/passport/jwtUtils');
-const { jwtAuthHandler } = require('../src/service/passport/jwtAuthHandler');
-
-describe('getJwks', () => {
-  it('should fetch JWKS keys from authority', async () => {
-    const jwksResponse = { keys: [{ kid: 'test-key', kty: 'RSA', n: 'abc', e: 'AQAB' }] };
-
-    const getStub = sinon.stub(axios, 'get');
-    getStub.onFirstCall().resolves({ data: { jwks_uri: 'https://mock.com/jwks' } });
-    getStub.onSecondCall().resolves({ data: jwksResponse });
-
-    const keys = await getJwks('https://mock.com');
-    expect(keys).to.deep.equal(jwksResponse.keys);
-
-    getStub.restore();
-  });
-
-  it('should throw error if fetch fails', async () => {
-    const stub = sinon.stub(axios, 'get').rejects(new Error('Network fail'));
-    try {
-      await getJwks('https://fail.com');
-    } catch (err) {
-      expect(err.message).to.equal('Failed to fetch JWKS');
-    }
-    stub.restore();
-  });
-});
-
-describe('validateJwt', () => {
-  let decodeStub;
-  let verifyStub;
-  let pemStub;
-  let getJwksStub;
-
-  beforeEach(() => {
-    const jwksResponse = { keys: [{ kid: 'test-key', kty: 'RSA', n: 'abc', e: 'AQAB' }] };
-    const getStub = sinon.stub(axios, 'get');
-    getStub.onFirstCall().resolves({ data: { jwks_uri: 'https://mock.com/jwks' } });
-    getStub.onSecondCall().resolves({ data: jwksResponse });
-
-    getJwksStub = sinon.stub().resolves(jwksResponse.keys);
-    decodeStub = sinon.stub(jwt, 'decode');
-    verifyStub = sinon.stub(jwt, 'verify');
-    pemStub = sinon.stub(jwkToBuffer);
-
-    pemStub.returns('fake-public-key');
-    getJwksStub.returns(jwksResponse.keys);
-  });
-
-  afterEach(() => sinon.restore());
-
-  it('should validate a correct JWT', async () => {
-    const mockJwk = { kid: '123', kty: 'RSA', n: 'abc', e: 'AQAB' };
-    const mockPem = 'fake-public-key';
-
-    decodeStub.returns({ header: { kid: '123' } });
-    getJwksStub.resolves([mockJwk]);
-    pemStub.returns(mockPem);
-    verifyStub.returns({ azp: 'client-id', sub: 'user123' });
-
-    const { verifiedPayload } = await validateJwt(
-      'fake.token.here',
-      'https://issuer.com',
-      'client-id',
-      'client-id',
-      getJwksStub,
-    );
-    expect(verifiedPayload.sub).to.equal('user123');
-  });
-
-  it('should return error if JWT invalid', async () => {
-    decodeStub.returns(null); // Simulate broken token
-
-    const { error } = await validateJwt(
-      'bad.token',
-      'https://issuer.com',
-      'client-id',
-      'client-id',
-      getJwksStub,
-    );
-    expect(error).to.include('Invalid JWT');
-  });
-});
-
-describe('assignRoles', () => {
-  it('should assign admin role based on claim', () => {
-    const user = { username: 'admin-user' };
-    const payload = { admin: 'admin' };
-    const mapping = { admin: { admin: 'admin' } };
-
-    assignRoles(mapping, payload, user);
-    expect(user.admin).to.be.true;
-  });
-
-  it('should assign multiple roles based on claims', () => {
-    const user = { username: 'multi-role-user' };
-    const payload = { 'custom-claim-admin': 'custom-value', editor: 'editor' };
-    const mapping = {
-      admin: { 'custom-claim-admin': 'custom-value' },
-      editor: { editor: 'editor' },
-    };
-
-    assignRoles(mapping, payload, user);
-    expect(user.admin).to.be.true;
-    expect(user.editor).to.be.true;
-  });
-
-  it('should not assign role if claim mismatch', () => {
-    const user = { username: 'basic-user' };
-    const payload = { admin: 'nope' };
-    const mapping = { admin: { admin: 'admin' } };
-
-    assignRoles(mapping, payload, user);
-    expect(user.admin).to.be.undefined;
-  });
-
-  it('should not assign role if no mapping provided', () => {
-    const user = { username: 'no-role-user' };
-    const payload = { admin: 'admin' };
-
-    assignRoles(null, payload, user);
-    expect(user.admin).to.be.undefined;
-  });
-});
-
-describe('jwtAuthHandler', () => {
-  let req;
-  let res;
-  let next;
-  let jwtConfig;
-  let validVerifyResponse;
-
-  beforeEach(() => {
-    req = { header: sinon.stub(), isAuthenticated: sinon.stub(), user: {} };
-    res = { status: sinon.stub().returnsThis(), send: sinon.stub() };
-    next = sinon.stub();
-
-    jwtConfig = {
-      clientID: 'client-id',
-      authorityURL: 'https://accounts.google.com',
-      expectedAudience: 'expected-audience',
-      roleMapping: { admin: { admin: 'admin' } },
-    };
-
-    validVerifyResponse = {
-      header: { kid: '123' },
-      azp: 'client-id',
-      sub: 'user123',
-      admin: 'admin',
-    };
-  });
-
-  afterEach(() => {
-    sinon.restore();
-  });
-
-  it('should call next if user is authenticated', async () => {
-    req.isAuthenticated.returns(true);
-    await jwtAuthHandler()(req, res, next);
-    expect(next.calledOnce).to.be.true;
-  });
-
-  it('should return 401 if no token provided', async () => {
-    req.header.returns(null);
-    await jwtAuthHandler(jwtConfig)(req, res, next);
-
-    expect(res.status.calledWith(401)).to.be.true;
-    expect(res.send.calledWith('No token provided\n')).to.be.true;
-  });
-
-  it('should return 500 if authorityURL not configured', async () => {
-    req.header.returns('Bearer fake-token');
-    jwtConfig.authorityURL = null;
-    sinon.stub(jwt, 'verify').returns(validVerifyResponse);
-
-    await jwtAuthHandler(jwtConfig)(req, res, next);
-
-    expect(res.status.calledWith(500)).to.be.true;
-    expect(res.send.calledWith({ message: 'OIDC authority URL is not configured\n' })).to.be.true;
-  });
-
-  it('should return 500 if clientID not configured', async () => {
-    req.header.returns('Bearer fake-token');
-    jwtConfig.clientID = null;
-    sinon.stub(jwt, 'verify').returns(validVerifyResponse);
-
-    await jwtAuthHandler(jwtConfig)(req, res, next);
-
-    expect(res.status.calledWith(500)).to.be.true;
-    expect(res.send.calledWith({ message: 'OIDC client ID is not configured\n' })).to.be.true;
-  });
-
-  it('should return 401 if JWT validation fails', async () => {
-    req.header.returns('Bearer fake-token');
-    sinon.stub(jwt, 'verify').throws(new Error('Invalid token'));
-
-    await jwtAuthHandler(jwtConfig)(req, res, next);
-
-    expect(res.status.calledWith(401)).to.be.true;
-    expect(res.send.calledWithMatch(/JWT validation failed:/)).to.be.true;
-  });
-});
diff --git a/test/testJwtAuthHandler.test.ts b/test/testJwtAuthHandler.test.ts
new file mode 100644
index 000000000..61b625b72
--- /dev/null
+++ b/test/testJwtAuthHandler.test.ts
@@ -0,0 +1,208 @@
+import { describe, it, expect, vi, beforeEach, afterEach, Mock } from 'vitest';
+import axios from 'axios';
+import jwt from 'jsonwebtoken';
+import * as jwkToBufferModule from 'jwk-to-pem';
+
+import { assignRoles, getJwks, validateJwt } from '../src/service/passport/jwtUtils';
+import { jwtAuthHandler } from '../src/service/passport/jwtAuthHandler';
+
+describe('getJwks', () => {
+  afterEach(() => vi.restoreAllMocks());
+
+  it('should fetch JWKS keys from authority', async () => {
+    const jwksResponse = { keys: [{ kid: 'test-key', kty: 'RSA', n: 'abc', e: 'AQAB' }] };
+
+    const getStub = vi.spyOn(axios, 'get');
+    getStub.mockResolvedValueOnce({ data: { jwks_uri: 'https://mock.com/jwks' } });
+    getStub.mockResolvedValueOnce({ data: jwksResponse });
+
+    const keys = await getJwks('https://mock.com');
+    expect(keys).toEqual(jwksResponse.keys);
+  });
+
+  it('should throw error if fetch fails', async () => {
+    vi.spyOn(axios, 'get').mockRejectedValue(new Error('Network fail'));
+    await expect(getJwks('https://fail.com')).rejects.toThrow('Failed to fetch JWKS');
+  });
+});
+
+describe('validateJwt', () => {
+  let decodeStub: ReturnType<typeof vi.spyOn>;
+  let verifyStub: ReturnType<typeof vi.spyOn>;
+  let pemStub: ReturnType<typeof vi.fn>;
+  let getJwksStub: ReturnType<typeof vi.fn>;
+
+  beforeEach(() => {
+    const jwksResponse = { keys: [{ kid: 'test-key', kty: 'RSA', n: 'abc', e: 'AQAB' }] };
+
+    vi.mock('jwk-to-pem', () => {
+      return {
+        default: vi.fn().mockReturnValue('fake-public-key'),
+      };
+    });
+
+    vi.spyOn(axios, 'get')
+      .mockResolvedValueOnce({ data: { jwks_uri: 'https://mock.com/jwks' } })
+      .mockResolvedValueOnce({ data: jwksResponse });
+
+    getJwksStub = vi.fn().mockResolvedValue(jwksResponse.keys);
+    decodeStub = vi.spyOn(jwt, 'decode') as any;
+    verifyStub = vi.spyOn(jwt, 'verify') as any;
+    pemStub = vi.fn().mockReturnValue('fake-public-key');
+
+    (jwkToBufferModule.default as Mock).mockImplementation(pemStub);
+  });
+
+  afterEach(() => vi.restoreAllMocks());
+
+  it('should validate a correct JWT', async () => {
+    const mockJwk = { kid: '123', kty: 'RSA', n: 'abc', e: 'AQAB' };
+    const mockPem = 'fake-public-key';
+
+    decodeStub.mockReturnValue({ header: { kid: '123' } });
+    getJwksStub.mockResolvedValue([mockJwk]);
+    pemStub.mockReturnValue(mockPem);
+    verifyStub.mockReturnValue({ azp: 'client-id', sub: 'user123' });
+
+    const { verifiedPayload } = await validateJwt(
+      'fake.token.here',
+      'https://issuer.com',
+      'client-id',
+      'client-id',
+      getJwksStub,
+    );
+    expect(verifiedPayload?.sub).toBe('user123');
+  });
+
+  it('should return error if JWT invalid', async () => {
+    decodeStub.mockReturnValue(null); // broken token
+
+    const { error } = await validateJwt(
+      'bad.token',
+      'https://issuer.com',
+      'client-id',
+      'client-id',
+      getJwksStub,
+    );
+    expect(error).toContain('Invalid JWT');
+  });
+});
+
+describe('assignRoles', () => {
+  it('should assign admin role based on claim', () => {
+    const user = { username: 'admin-user', admin: undefined };
+    const payload = { admin: 'admin' };
+    const mapping = { admin: { admin: 'admin' } };
+
+    assignRoles(mapping, payload, user);
+    expect(user.admin).toBe(true);
+  });
+
+  it('should assign multiple roles based on claims', () => {
+    const user = { username: 'multi-role-user', admin: undefined, editor: undefined };
+    const payload = { 'custom-claim-admin': 'custom-value', editor: 'editor' };
+    const mapping = {
+      admin: { 'custom-claim-admin': 'custom-value' },
+      editor: { editor: 'editor' },
+    };
+
+    assignRoles(mapping, payload, user);
+    expect(user.admin).toBe(true);
+    expect(user.editor).toBe(true);
+  });
+
+  it('should not assign role if claim mismatch', () => {
+    const user = { username: 'basic-user', admin: undefined };
+    const payload = { admin: 'nope' };
+    const mapping = { admin: { admin: 'admin' } };
+
+    assignRoles(mapping, payload, user);
+    expect(user.admin).toBeUndefined();
+  });
+
+  it('should not assign role if no mapping provided', () => {
+    const user = { username: 'no-role-user', admin: undefined };
+    const payload = { admin: 'admin' };
+
+    assignRoles(null as any, payload, user);
+    expect(user.admin).toBeUndefined();
+  });
+});
+
+describe('jwtAuthHandler', () => {
+  let req: any;
+  let res: any;
+  let next: any;
+  let jwtConfig: any;
+  let validVerifyResponse: any;
+
+  beforeEach(() => {
+    req = { header: vi.fn(), isAuthenticated: vi.fn(), user: {} };
+    res = { status: vi.fn().mockReturnThis(), send: vi.fn() };
+    next = vi.fn();
+
+    jwtConfig = {
+      clientID: 'client-id',
+      authorityURL: 'https://accounts.google.com',
+      expectedAudience: 'expected-audience',
+      roleMapping: { admin: { admin: 'admin' } },
+    };
+
+    validVerifyResponse = {
+      header: { kid: '123' },
+      azp: 'client-id',
+      sub: 'user123',
+      admin: 'admin',
+    };
+  });
+
+  afterEach(() => vi.restoreAllMocks());
+
+  it('should call next if user is authenticated', async () => {
+    req.isAuthenticated.mockReturnValue(true);
+    await jwtAuthHandler()(req, res, next);
+    expect(next).toHaveBeenCalledOnce();
+  });
+
+  it('should return 401 if no token provided', async () => {
+    req.header.mockReturnValue(null);
+    await jwtAuthHandler(jwtConfig)(req, res, next);
+
+    expect(res.status).toHaveBeenCalledWith(401);
+    expect(res.send).toHaveBeenCalledWith('No token provided\n');
+  });
+
+  it('should return 500 if authorityURL not configured', async () => {
+    req.header.mockReturnValue('Bearer fake-token');
+    jwtConfig.authorityURL = null;
+    vi.spyOn(jwt, 'verify').mockReturnValue(validVerifyResponse);
+
+    await jwtAuthHandler(jwtConfig)(req, res, next);
+
+    expect(res.status).toHaveBeenCalledWith(500);
+    expect(res.send).toHaveBeenCalledWith({ message: 'OIDC authority URL is not configured\n' });
+  });
+
+  it('should return 500 if clientID not configured', async () => {
+    req.header.mockReturnValue('Bearer fake-token');
+    jwtConfig.clientID = null;
+    vi.spyOn(jwt, 'verify').mockReturnValue(validVerifyResponse);
+
+    await jwtAuthHandler(jwtConfig)(req, res, next);
+
+    expect(res.status).toHaveBeenCalledWith(500);
+    expect(res.send).toHaveBeenCalledWith({ message: 'OIDC client ID is not configured\n' });
+  });
+
+  it('should return 401 if JWT validation fails', async () => {
+    req.header.mockReturnValue('Bearer fake-token');
+    vi.spyOn(jwt, 'verify').mockImplementation(() => {
+      throw new Error('Invalid token');
+    });
+
+    await jwtAuthHandler(jwtConfig)(req, res, next);
+
+    expect(res.status).toHaveBeenCalledWith(401);
+    expect(res.send).toHaveBeenCalledWith(expect.stringMatching(/JWT validation failed:/));
+  });
+});
diff --git a/test/testLogin.test.js b/test/testLogin.test.js
deleted file mode 100644
index cb6a0e922..000000000
--- a/test/testLogin.test.js
+++ /dev/null
@@ -1,291 +0,0 @@
-// Import the dependencies for testing
-const chai = require('chai');
-const chaiHttp = require('chai-http');
-const db = require('../src/db');
-const service = require('../src/service').default;
-
-chai.use(chaiHttp);
-chai.should();
-const expect = chai.expect;
-
-describe('auth', async () => {
-  let app;
-  let cookie;
-
-  before(async function () {
-    app = await service.start();
-    await db.deleteUser('login-test-user');
-  });
-
-  describe('test login / logout', async function () {
-    // Test to get all students record
-    it('should get 401 not logged in', async function () {
-      const res = await chai.request(app).get('/api/auth/profile');
-
-      res.should.have.status(401);
-    });
-
-    it('should be able to login', async function () {
-      const res = await chai.request(app).post('/api/auth/login').send({
-        username: 'admin',
-        password: 'admin',
-      });
-
-      expect(res).to.have.cookie('connect.sid');
-      res.should.have.status(200);
-
-      // Get the connect cooie
-      res.headers['set-cookie'].forEach((x) => {
-        if (x.startsWith('connect')) {
-          cookie = x.split(';')[0];
-        }
-      });
-    });
-
-    it('should now be able to access the user login metadata', async function () {
-      const res = await chai.request(app).get('/api/auth/me').set('Cookie', `${cookie}`);
-      res.should.have.status(200);
-    });
-
-    it('should now be able to access the profile', async function () {
-      const res = await chai.request(app).get('/api/auth/profile').set('Cookie', `${cookie}`);
-      res.should.have.status(200);
-    });
-
-    it('should be able to set the git account', async function () {
-      console.log(`cookie: ${cookie}`);
-      const res = await chai
-        .request(app)
-        .post('/api/auth/gitAccount')
-        .set('Cookie', `${cookie}`)
-        .send({
-          username: 'admin',
-          gitAccount: 'new-account',
-        });
-      res.should.have.status(200);
-    });
-
-    it('should throw an error if the username is not provided when setting the git account', async function () {
-      const res = await chai
-        .request(app)
-        .post('/api/auth/gitAccount')
-        .set('Cookie', `${cookie}`)
-        .send({
-          gitAccount: 'new-account',
-        });
-      console.log(`res: ${JSON.stringify(res)}`);
-      res.should.have.status(400);
-    });
-
-    it('should now be able to logout', async function () {
-      const res = await chai.request(app).post('/api/auth/logout').set('Cookie', `${cookie}`);
-      res.should.have.status(200);
-    });
-
-    it('test cannot access profile page', async function () {
-      const res = await chai.request(app).get('/api/auth/profile').set('Cookie', `${cookie}`);
-
-      res.should.have.status(401);
-    });
-
-    it('should fail to login with invalid username', async function () {
-      const res = await chai.request(app).post('/api/auth/login').send({
-        username: 'invalid',
-        password: 'admin',
-      });
-      res.should.have.status(401);
-    });
-
-    it('should fail to login with invalid password', async function () {
-      const res = await chai.request(app).post('/api/auth/login').send({
-        username: 'admin',
-        password: 'invalid',
-      });
-      res.should.have.status(401);
-    });
-
-    it('should fail to set the git account if the user is not logged in', async function () {
-      const res = await chai.request(app).post('/api/auth/gitAccount').send({
-        username: 'admin',
-        gitAccount: 'new-account',
-      });
-      res.should.have.status(401);
-    });
-
-    it('should fail to get the current user metadata if not logged in', async function () {
-      const res = await chai.request(app).get('/api/auth/me');
-      res.should.have.status(401);
-    });
-
-    it('should fail to login with invalid credentials', async function () {
-      const res = await chai.request(app).post('/api/auth/login').send({
-        username: 'admin',
-        password: 'invalid',
-      });
-      res.should.have.status(401);
-    });
-  });
-
-  describe('test create user', async function () {
-    beforeEach(async function () {
-      await db.deleteUser('newuser');
-      await db.deleteUser('nonadmin');
-    });
-
-    it('should fail to create user when not authenticated', async function () {
-      const res = await chai.request(app).post('/api/auth/create-user').send({
-        username: 'newuser',
-        password: 'newpass',
-        email: 'new@email.com',
-        gitAccount: 'newgit',
-      });
-
-      res.should.have.status(401);
-      res.body.should.have
-        .property('message')
-        .eql('You are not authorized to perform this action...');
-    });
-
-    it('should fail to create user when not admin', async function () {
-      await db.deleteUser('nonadmin');
-      await db.createUser('nonadmin', 'nonadmin', 'nonadmin@test.com', 'nonadmin', false);
-
-      // First login as non-admin user
-      const loginRes = await chai.request(app).post('/api/auth/login').send({
-        username: 'nonadmin',
-        password: 'nonadmin',
-      });
-
-      loginRes.should.have.status(200);
-
-      let nonAdminCookie;
-      // Get the connect cooie
-      loginRes.headers['set-cookie'].forEach((x) => {
-        if (x.startsWith('connect')) {
-          nonAdminCookie = x.split(';')[0];
-        }
-      });
-
-      console.log('nonAdminCookie', nonAdminCookie);
-
-      const res = await chai
-        .request(app)
-        .post('/api/auth/create-user')
-        .set('Cookie', nonAdminCookie)
-        .send({
-          username: 'newuser',
-          password: 'newpass',
-          email: 'new@email.com',
-          gitAccount: 'newgit',
-        });
-
-      res.should.have.status(401);
-      res.body.should.have
-        .property('message')
-        .eql('You are not authorized to perform this action...');
-    });
-
-    it('should fail to create user with missing required fields', async function () {
-      // First login as admin
-      const loginRes = await chai.request(app).post('/api/auth/login').send({
-        username: 'admin',
-        password: 'admin',
-      });
-
-      const adminCookie = loginRes.headers['set-cookie'][0].split(';')[0];
-
-      const res = await chai
-        .request(app)
-        .post('/api/auth/create-user')
-        .set('Cookie', adminCookie)
-        .send({
-          username: 'newuser',
-          // missing password
-          email: 'new@email.com',
-          gitAccount: 'newgit',
-        });
-
-      res.should.have.status(400);
-      res.body.should.have
-        .property('message')
-        .eql('Missing required fields: username, password, email, and gitAccount are required');
-    });
-
-    it('should successfully create a new user', async function () {
-      // First login as admin
-      const loginRes = await chai.request(app).post('/api/auth/login').send({
-        username: 'admin',
-        password: 'admin',
-      });
-
-      const adminCookie = loginRes.headers['set-cookie'][0].split(';')[0];
-
-      const res = await chai
-        .request(app)
-        .post('/api/auth/create-user')
-        .set('Cookie', adminCookie)
-        .send({
-          username: 'newuser',
-          password: 'newpass',
-          email: 'new@email.com',
-          gitAccount: 'newgit',
-          admin: false,
-        });
-
-      res.should.have.status(201);
-      res.body.should.have.property('message').eql('User created successfully');
-      res.body.should.have.property('username').eql('newuser');
-
-      // Verify we can login with the new user
-      const newUserLoginRes = await chai.request(app).post('/api/auth/login').send({
-        username: 'newuser',
-        password: 'newpass',
-      });
-
-      newUserLoginRes.should.have.status(200);
-    });
-
-    it('should fail to create user when username already exists', async function () {
-      // First login as admin
-      const loginRes = await chai.request(app).post('/api/auth/login').send({
-        username: 'admin',
-        password: 'admin',
-      });
-
-      const adminCookie = loginRes.headers['set-cookie'][0].split(';')[0];
-
-      const res = await chai
-        .request(app)
-        .post('/api/auth/create-user')
-        .set('Cookie', adminCookie)
-        .send({
-          username: 'newuser',
-          password: 'newpass',
-          email: 'new@email.com',
-          gitAccount: 'newgit',
-          admin: false,
-        });
-
-      res.should.have.status(201);
-
-      // Verify we can login with the new user
-      const failCreateRes = await chai
-        .request(app)
-        .post('/api/auth/create-user')
-        .set('Cookie', adminCookie)
-        .send({
-          username: 'newuser',
-          password: 'newpass',
-          email: 'new@email.com',
-          gitAccount: 'newgit',
-          admin: false,
-        });
-
-      failCreateRes.should.have.status(400);
-    });
-  });
-
-  after(async function () {
-    await service.httpServer.close();
-  });
-});
diff --git a/test/testLogin.test.ts b/test/testLogin.test.ts
new file mode 100644
index 000000000..91d8b4f58
--- /dev/null
+++ b/test/testLogin.test.ts
@@ -0,0 +1,242 @@
+import request from 'supertest';
+import { beforeAll, afterAll, beforeEach, describe, it, expect } from 'vitest';
+import * as db from '../src/db';
+import service from '../src/service';
+import Proxy from '../src/proxy';
+import { Express } from 'express';
+
+describe('login', () => {
+  let app: Express;
+  let cookie: string;
+
+  beforeAll(async () => {
+    app = await service.start(new Proxy());
+    await db.deleteUser('login-test-user');
+  });
+
+  describe('test login / logout', () => {
+    it('should get 401 if not logged in', async () => {
+      const res = await request(app).get('/api/auth/profile');
+      expect(res.status).toBe(401);
+    });
+
+    it('should be able to login', async () => {
+      const res = await request(app).post('/api/auth/login').send({
+        username: 'admin',
+        password: 'admin',
+      });
+
+      expect(res.status).toBe(200);
+      expect(res.headers['set-cookie']).toBeDefined();
+
+      (res.headers['set-cookie'] as unknown as string[]).forEach((x: string) => {
+        if (x.startsWith('connect')) {
+          cookie = x.split(';')[0];
+        }
+      });
+    });
+
+    it('should now be able to access the user metadata', async () => {
+      const res = await request(app).get('/api/auth/profile').set('Cookie', cookie);
+      expect(res.status).toBe(200);
+    });
+
+    it('should be able to set the git account', async () => {
+      const res = await request(app).post('/api/auth/gitAccount').set('Cookie', cookie).send({
+        username: 'admin',
+        gitAccount: 'new-account',
+      });
+      expect(res.status).toBe(200);
+    });
+
+    it('should throw an error if the username is not provided when setting the git account', async () => {
+      const res = await request(app).post('/api/auth/gitAccount').set('Cookie', cookie).send({
+        gitAccount: 'new-account',
+      });
+      expect(res.status).toBe(400);
+    });
+
+    it('should now be able to logout', async () => {
+      const res = await request(app).post('/api/auth/logout').set('Cookie', cookie);
+      expect(res.status).toBe(200);
+    });
+
+    it('test cannot access profile page', async () => {
+      const res = await request(app).get('/api/auth/profile').set('Cookie', cookie);
+      expect(res.status).toBe(401);
+    });
+
+    it('should fail to login with invalid username', async () => {
+      const res = await request(app).post('/api/auth/login').send({
+        username: 'invalid',
+        password: 'admin',
+      });
+      expect(res.status).toBe(401);
+    });
+
+    it('should fail to login with invalid password', async () => {
+      const res = await request(app).post('/api/auth/login').send({
+        username: 'admin',
+        password: 'invalid',
+      });
+      expect(res.status).toBe(401);
+    });
+
+    it('should fail to set the git account if the user is not logged in', async () => {
+      const res = await request(app).post('/api/auth/gitAccount').send({
+        username: 'admin',
+        gitAccount: 'new-account',
+      });
+      expect(res.status).toBe(401);
+    });
+
+    it('should fail to get the current user metadata if not logged in', async () => {
+      const res = await request(app).get('/api/auth/profile');
+      expect(res.status).toBe(401);
+    });
+
+    it('should fail to login with invalid credentials', async () => {
+      const res = await request(app).post('/api/auth/login').send({
+        username: 'admin',
+        password: 'invalid',
+      });
+      expect(res.status).toBe(401);
+    });
+  });
+
+  describe('test create user', () => {
+    beforeEach(async () => {
+      await db.deleteUser('newuser');
+      await db.deleteUser('nonadmin');
+    });
+
+    it('should fail to create user when not authenticated', async () => {
+      const res = await request(app).post('/api/auth/create-user').send({
+        username: 'newuser',
+        password: 'newpass',
+        email: 'new@email.com',
+        gitAccount: 'newgit',
+      });
+
+      expect(res.status).toBe(403);
+      expect(res.body.message).toBe('Not authorized to create users');
+    });
+
+    it('should fail to create user when not admin', async () => {
+      await db.deleteUser('nonadmin');
+      await db.createUser('nonadmin', 'nonadmin', 'nonadmin@test.com', 'nonadmin', false);
+
+      const loginRes = await request(app).post('/api/auth/login').send({
+        username: 'nonadmin',
+        password: 'nonadmin',
+      });
+
+      expect(loginRes.status).toBe(200);
+
+      let nonAdminCookie: string;
+      (loginRes.headers['set-cookie'] as unknown as string[]).forEach((x: string) => {
+        if (x.startsWith('connect')) {
+          nonAdminCookie = x.split(';')[0];
+        }
+      });
+
+      const res = await request(app)
+        .post('/api/auth/create-user')
+        .set('Cookie', nonAdminCookie!)
+        .send({
+          username: 'newuser',
+          password: 'newpass',
+          email: 'new@email.com',
+          gitAccount: 'newgit',
+        });
+
+      expect(res.status).toBe(403);
+      expect(res.body.message).toBe('Not authorized to create users');
+    });
+
+    it('should fail to create user with missing required fields', async () => {
+      const loginRes = await request(app).post('/api/auth/login').send({
+        username: 'admin',
+        password: 'admin',
+      });
+
+      const adminCookie = loginRes.headers['set-cookie'][0].split(';')[0];
+
+      const res = await request(app).post('/api/auth/create-user').set('Cookie', adminCookie).send({
+        username: 'newuser',
+        email: 'new@email.com',
+        gitAccount: 'newgit',
+      });
+
+      expect(res.status).toBe(400);
+      expect(res.body.message).toBe(
+        'Missing required fields: username, password, email, and gitAccount are required',
+      );
+    });
+
+    it('should successfully create a new user', async () => {
+      const loginRes = await request(app).post('/api/auth/login').send({
+        username: 'admin',
+        password: 'admin',
+      });
+
+      const adminCookie = loginRes.headers['set-cookie'][0].split(';')[0];
+
+      const res = await request(app).post('/api/auth/create-user').set('Cookie', adminCookie).send({
+        username: 'newuser',
+        password: 'newpass',
+        email: 'new@email.com',
+        gitAccount: 'newgit',
+        admin: false,
+      });
+
+      expect(res.status).toBe(201);
+      expect(res.body.message).toBe('User created successfully');
+      expect(res.body.username).toBe('newuser');
+
+      const newUserLoginRes = await request(app).post('/api/auth/login').send({
+        username: 'newuser',
+        password: 'newpass',
+      });
+
+      expect(newUserLoginRes.status).toBe(200);
+    });
+
+    it('should fail to create user when username already exists', async () => {
+      const loginRes = await request(app).post('/api/auth/login').send({
+        username: 'admin',
+        password: 'admin',
+      });
+
+      const adminCookie = loginRes.headers['set-cookie'][0].split(';')[0];
+
+      const res = await request(app).post('/api/auth/create-user').set('Cookie', adminCookie).send({
+        username: 'newuser',
+        password: 'newpass',
+        email: 'new@email.com',
+        gitAccount: 'newgit',
+        admin: false,
+      });
+
+      expect(res.status).toBe(201);
+
+      const failCreateRes = await request(app)
+        .post('/api/auth/create-user')
+        .set('Cookie', adminCookie)
+        .send({
+          username: 'newuser',
+          password: 'newpass',
+          email: 'new@email.com',
+          gitAccount: 'newgit',
+          admin: false,
+        });
+
+      expect(failCreateRes.status).toBe(500);
+      expect(failCreateRes.body.message).toBe('user newuser already exists');
+    });
+  });
+
+  afterAll(() => {
+    service.httpServer.close();
+  });
+});
diff --git a/test/testOidc.test.js b/test/testOidc.test.js
deleted file mode 100644
index 46eb74550..000000000
--- a/test/testOidc.test.js
+++ /dev/null
@@ -1,176 +0,0 @@
-const chai = require('chai');
-const sinon = require('sinon');
-const proxyquire = require('proxyquire');
-const expect = chai.expect;
-const { safelyExtractEmail, getUsername } = require('../src/service/passport/oidc');
-
-describe('OIDC auth method', () => {
-  let dbStub;
-  let passportStub;
-  let configure;
-  let discoveryStub;
-  let fetchUserInfoStub;
-  let strategyCtorStub;
-  let strategyCallback;
-
-  const newConfig = JSON.stringify({
-    authentication: [
-      {
-        type: 'openidconnect',
-        enabled: true,
-        oidcConfig: {
-          issuer: 'https://fake-issuer.com',
-          clientID: 'test-client-id',
-          clientSecret: 'test-client-secret',
-          callbackURL: 'https://example.com/callback',
-          scope: 'openid profile email',
-        },
-      },
-    ],
-  });
-
-  beforeEach(() => {
-    dbStub = {
-      findUserByOIDC: sinon.stub(),
-      createUser: sinon.stub(),
-    };
-
-    passportStub = {
-      use: sinon.stub(),
-      serializeUser: sinon.stub(),
-      deserializeUser: sinon.stub(),
-    };
-
-    discoveryStub = sinon.stub().resolves({ some: 'config' });
-    fetchUserInfoStub = sinon.stub();
-
-    // Fake Strategy constructor
-    strategyCtorStub = function (options, verifyFn) {
-      strategyCallback = verifyFn;
-      return {
-        name: 'openidconnect',
-        currentUrl: sinon.stub().returns({}),
-      };
-    };
-
-    const fsStub = {
-      existsSync: sinon.stub().returns(true),
-      readFileSync: sinon.stub().returns(newConfig),
-    };
-
-    const config = proxyquire('../src/config', {
-      fs: fsStub,
-    });
-    config.initUserConfig();
-
-    ({ configure } = proxyquire('../src/service/passport/oidc', {
-      '../../db': dbStub,
-      '../../config': config,
-      'openid-client': {
-        discovery: discoveryStub,
-        fetchUserInfo: fetchUserInfoStub,
-      },
-      'openid-client/passport': {
-        Strategy: strategyCtorStub,
-      },
-    }));
-  });
-
-  afterEach(() => {
-    sinon.restore();
-  });
-
-  it('should configure passport with OIDC strategy', async () => {
-    await configure(passportStub);
-
-    expect(discoveryStub.calledOnce).to.be.true;
-    expect(passportStub.use.calledOnce).to.be.true;
-    expect(passportStub.serializeUser.calledOnce).to.be.true;
-    expect(passportStub.deserializeUser.calledOnce).to.be.true;
-  });
-
-  it('should authenticate an existing user', async () => {
-    await configure(passportStub);
-
-    const mockTokenSet = {
-      claims: () => ({ sub: 'user123' }),
-      access_token: 'access-token',
-    };
-    dbStub.findUserByOIDC.resolves({ id: 'user123', username: 'test-user' });
-    fetchUserInfoStub.resolves({ sub: 'user123', email: 'user@test.com' });
-
-    const done = sinon.spy();
-
-    await strategyCallback(mockTokenSet, done);
-
-    expect(done.calledOnce).to.be.true;
-    const [err, user] = done.firstCall.args;
-    expect(err).to.be.null;
-    expect(user).to.have.property('username', 'test-user');
-  });
-
-  it('should handle discovery errors', async () => {
-    discoveryStub.rejects(new Error('discovery failed'));
-
-    try {
-      await configure(passportStub);
-      throw new Error('Expected configure to throw');
-    } catch (err) {
-      expect(err.message).to.include('discovery failed');
-    }
-  });
-
-  it('should fail if no email in new user profile', async () => {
-    await configure(passportStub);
-
-    const mockTokenSet = {
-      claims: () => ({ sub: 'sub-no-email' }),
-      access_token: 'access-token',
-    };
-    dbStub.findUserByOIDC.resolves(null);
-    fetchUserInfoStub.resolves({ sub: 'sub-no-email' });
-
-    const done = sinon.spy();
-
-    await strategyCallback(mockTokenSet, done);
-
-    const [err, user] = done.firstCall.args;
-    expect(err).to.be.instanceOf(Error);
-    expect(err.message).to.include('No email found');
-    expect(user).to.be.undefined;
-  });
-
-  describe('safelyExtractEmail', () => {
-    it('should extract email from profile', () => {
-      const profile = { email: 'test@test.com' };
-      const email = safelyExtractEmail(profile);
-      expect(email).to.equal('test@test.com');
-    });
-
-    it('should extract email from profile with emails array', () => {
-      const profile = { emails: [{ value: 'test@test.com' }] };
-      const email = safelyExtractEmail(profile);
-      expect(email).to.equal('test@test.com');
-    });
-
-    it('should return null if no email in profile', () => {
-      const profile = { name: 'test' };
-      const email = safelyExtractEmail(profile);
-      expect(email).to.be.null;
-    });
-  });
-
-  describe('getUsername', () => {
-    it('should generate username from email', () => {
-      const email = 'test@test.com';
-      const username = getUsername(email);
-      expect(username).to.equal('test');
-    });
-
-    it('should return empty string if no email', () => {
-      const email = '';
-      const username = getUsername(email);
-      expect(username).to.equal('');
-    });
-  });
-});
diff --git a/test/testOidc.test.ts b/test/testOidc.test.ts
new file mode 100644
index 000000000..5561b7be8
--- /dev/null
+++ b/test/testOidc.test.ts
@@ -0,0 +1,164 @@
+import { describe, it, beforeEach, afterEach, expect, vi, type Mock } from 'vitest';
+
+import {
+  safelyExtractEmail,
+  getUsername,
+  handleUserAuthentication,
+} from '../src/service/passport/oidc';
+
+describe('OIDC auth method', () => {
+  let dbStub: any;
+  let passportStub: any;
+  let configure: any;
+  let discoveryStub: Mock;
+  let fetchUserInfoStub: Mock;
+
+  const newConfig = JSON.stringify({
+    authentication: [
+      {
+        type: 'openidconnect',
+        enabled: true,
+        oidcConfig: {
+          issuer: 'https://fake-issuer.com',
+          clientID: 'test-client-id',
+          clientSecret: 'test-client-secret',
+          callbackURL: 'https://example.com/callback',
+          scope: 'openid profile email',
+        },
+      },
+    ],
+  });
+
+  beforeEach(async () => {
+    dbStub = {
+      findUserByOIDC: vi.fn(),
+      createUser: vi.fn(),
+    };
+
+    passportStub = {
+      use: vi.fn(),
+      serializeUser: vi.fn(),
+      deserializeUser: vi.fn(),
+    };
+
+    discoveryStub = vi.fn().mockResolvedValue({ some: 'config' });
+    fetchUserInfoStub = vi.fn();
+
+    const strategyCtorStub = function (_options: any, verifyFn: any) {
+      return {
+        name: 'openidconnect',
+        currentUrl: vi.fn().mockReturnValue({}),
+      };
+    };
+
+    // First mock the dependencies
+    vi.resetModules();
+    vi.doMock('../src/config', async () => {
+      const actual = await vi.importActual<any>('../src/config');
+      return {
+        ...actual,
+        default: {
+          ...actual.default,
+          initUserConfig: vi.fn(),
+        },
+        initUserConfig: vi.fn(),
+      };
+    });
+    vi.doMock('fs', async (importOriginal) => {
+      const actual: any = await importOriginal();
+      return {
+        ...actual,
+        existsSync: vi.fn().mockReturnValue(true),
+        readFileSync: vi.fn().mockReturnValue(newConfig),
+      };
+    });
+    vi.doMock('../../db', () => dbStub);
+    vi.doMock('../../config', async () => {
+      const actual = await vi.importActual<any>('../src/config');
+      return actual;
+    });
+    vi.doMock('openid-client', () => ({
+      discovery: discoveryStub,
+      fetchUserInfo: fetchUserInfoStub,
+    }));
+    vi.doMock('openid-client/passport', () => ({
+      Strategy: strategyCtorStub,
+    }));
+
+    // then import fresh OIDC module with mocks applied
+    const oidcModule = await import('../src/service/passport/oidc');
+    configure = oidcModule.configure;
+  });
+
+  afterEach(() => {
+    vi.restoreAllMocks();
+  });
+
+  it('should configure passport with OIDC strategy', async () => {
+    await configure(passportStub);
+
+    expect(discoveryStub).toHaveBeenCalledOnce();
+    expect(passportStub.use).toHaveBeenCalledOnce();
+    expect(passportStub.serializeUser).toHaveBeenCalledOnce();
+    expect(passportStub.deserializeUser).toHaveBeenCalledOnce();
+  });
+
+  it('should authenticate an existing user', async () => {
+    dbStub.findUserByOIDC.mockResolvedValue({ id: 'user123', username: 'test-user' });
+
+    const done = vi.fn();
+    await handleUserAuthentication({ sub: 'user123', email: 'user123@test.com' }, done);
+
+    expect(done).toHaveBeenCalledWith(null, expect.objectContaining({ username: 'user123' }));
+  });
+
+  it('should handle discovery errors', async () => {
+    discoveryStub.mockRejectedValue(new Error('discovery failed'));
+
+    await expect(configure(passportStub)).rejects.toThrow(/discovery failed/);
+  });
+
+  it('should fail if no email in new user profile', async () => {
+    const done = vi.fn();
+    await handleUserAuthentication({ sub: 'sub-no-email' }, done);
+
+    const [err, user] = done.mock.calls[0];
+    expect(err).toBeInstanceOf(Error);
+    expect(err.message).toMatch(/No email/);
+    expect(user).toBeUndefined();
+  });
+
+  describe('safelyExtractEmail', () => {
+    it('should extract email from profile', () => {
+      const profile = { email: 'test@test.com' };
+      const email = safelyExtractEmail(profile);
+      expect(email).toBe('test@test.com');
+    });
+
+    it('should extract email from profile with emails array', () => {
+      const profile = { emails: [{ value: 'test@test.com' }] };
+      const email = safelyExtractEmail(profile);
+      expect(email).toBe('test@test.com');
+    });
+
+    it('should return null if no email in profile', () => {
+      const profile = { name: 'test' };
+      const email = safelyExtractEmail(profile);
+      expect(email).toBeNull();
+    });
+  });
+
+  describe('getUsername', () => {
+    it('should generate username from email', () => {
+      const email = 'test@test.com';
+      const username = getUsername(email);
+      expect(username).toBe('test');
+    });
+
+    it('should return empty string if no email', () => {
+      const email = '';
+      const username = getUsername(email);
+      expect(username).toBe('');
+    });
+  });
+});
diff --git a/test/testParseAction.test.js b/test/testParseAction.test.ts
similarity index 52%
rename from test/testParseAction.test.js
rename to test/testParseAction.test.ts
index 3592cc081..a1e424430 100644
--- a/test/testParseAction.test.js
+++ b/test/testParseAction.test.ts
@@ -1,10 +1,8 @@
-// Import the dependencies for testing
-const chai = require('chai');
-chai.should();
-const expect = chai.expect;
-const preprocessor = require('../src/proxy/processors/pre-processor/parseAction');
-const db = require('../src/db');
-let testRepo = null;
+import { describe, it, expect, beforeAll, afterAll } from 'vitest';
+import * as preprocessor from '../src/proxy/processors/pre-processor/parseAction';
+import * as db from '../src/db';
+
+let testRepo: any = null;
 
 const TEST_REPO = {
   url: 'https://github.com/finos/git-proxy.git',
@@ -12,20 +10,23 @@ const TEST_REPO = {
   project: 'finos',
 };
 
-describe('Pre-processor: parseAction', async () => {
-  before(async function () {
-    // make sure the test repo exists as the presence of the repo makes  a difference to handling of urls
+describe('Pre-processor: parseAction', () => {
+  beforeAll(async () => {
+    // make sure the test repo exists as the presence of the repo makes a difference to handling of urls
     testRepo = await db.getRepoByUrl(TEST_REPO.url);
     if (!testRepo) {
       testRepo = await db.createRepo(TEST_REPO);
     }
   });
-  after(async function () {
-    // clean up test DB
-    await db.deleteRepo(testRepo._id);
+
+  afterAll(async () => {
+    // If we created the testRepo, clean it up
+    if (testRepo?._id) {
+      await db.deleteRepo(testRepo._id);
+    }
   });
 
-  it('should be able to parse a pull request into an action', async function () {
+  it('should be able to parse a pull request into an action', async () => {
     const req = {
       originalUrl: '/github.com/finos/git-proxy.git/git-upload-pack',
       method: 'GET',
@@ -33,13 +34,13 @@ describe('Pre-processor: parseAction', async () => {
     };
 
     const action = await preprocessor.exec(req);
-    expect(action.timestamp).is.greaterThan(0);
-    expect(action.id).to.not.be.false;
-    expect(action.type).to.equal('pull');
-    expect(action.url).to.equal('https://github.com/finos/git-proxy.git');
+    expect(action.timestamp).toBeGreaterThan(0);
+    expect(action.id).not.toBeFalsy();
+    expect(action.type).toBe('pull');
+    expect(action.url).toBe('https://github.com/finos/git-proxy.git');
   });
 
-  it('should be able to parse a pull request with a legacy path into an action', async function () {
+  it('should be able to parse a pull request with a legacy path into an action', async () => {
     const req = {
       originalUrl: '/finos/git-proxy.git/git-upload-pack',
       method: 'GET',
@@ -47,13 +48,13 @@ describe('Pre-processor: parseAction', async () => {
     };
 
     const action = await preprocessor.exec(req);
-    expect(action.timestamp).is.greaterThan(0);
-    expect(action.id).to.not.be.false;
-    expect(action.type).to.equal('pull');
-    expect(action.url).to.equal('https://github.com/finos/git-proxy.git');
+    expect(action.timestamp).toBeGreaterThan(0);
+    expect(action.id).not.toBeFalsy();
+    expect(action.type).toBe('pull');
+    expect(action.url).toBe('https://github.com/finos/git-proxy.git');
   });
 
-  it('should be able to parse a push request into an action', async function () {
+  it('should be able to parse a push request into an action', async () => {
     const req = {
       originalUrl: '/github.com/finos/git-proxy.git/git-receive-pack',
       method: 'POST',
@@ -61,13 +62,13 @@ describe('Pre-processor: parseAction', async () => {
     };
 
     const action = await preprocessor.exec(req);
-    expect(action.timestamp).is.greaterThan(0);
-    expect(action.id).to.not.be.false;
-    expect(action.type).to.equal('push');
-    expect(action.url).to.equal('https://github.com/finos/git-proxy.git');
+    expect(action.timestamp).toBeGreaterThan(0);
+    expect(action.id).not.toBeFalsy();
+    expect(action.type).toBe('push');
+    expect(action.url).toBe('https://github.com/finos/git-proxy.git');
   });
 
-  it('should be able to parse a push request with a legacy path into an action', async function () {
+  it('should be able to parse a push request with a legacy path into an action', async () => {
     const req = {
       originalUrl: '/finos/git-proxy.git/git-receive-pack',
       method: 'POST',
@@ -75,9 +76,9 @@ describe('Pre-processor: parseAction', async () => {
     };
 
     const action = await preprocessor.exec(req);
-    expect(action.timestamp).is.greaterThan(0);
-    expect(action.id).to.not.be.false;
-    expect(action.type).to.equal('push');
-    expect(action.url).to.equal('https://github.com/finos/git-proxy.git');
+    expect(action.timestamp).toBeGreaterThan(0);
+    expect(action.id).not.toBeFalsy();
+    expect(action.type).toBe('push');
+    expect(action.url).toBe('https://github.com/finos/git-proxy.git');
   });
 });
diff --git a/test/testParsePush.test.js b/test/testParsePush.test.ts
similarity index 66%
rename from test/testParsePush.test.js
rename to test/testParsePush.test.ts
index 944b5dba9..25740048d 100644
--- a/test/testParsePush.test.js
+++ b/test/testParsePush.test.ts
@@ -1,17 +1,16 @@
-const { expect } = require('chai');
-const sinon = require('sinon');
-const zlib = require('zlib');
-const { createHash } = require('crypto');
-const fs = require('fs');
-const path = require('path');
-
-const {
+import { afterEach, describe, it, beforeEach, expect, vi, type Mock } from 'vitest';
+import { deflateSync } from 'zlib';
+import { createHash } from 'crypto';
+import fs from 'fs';
+import path from 'path';
+
+import {
   exec,
   getCommitData,
   getContents,
   getPackMeta,
   parsePacketLines,
-} = require('../src/proxy/processors/push-action/parsePush');
+} from '../src/proxy/processors/push-action/parsePush';
 
 import { EMPTY_COMMIT_HASH, FLUSH_PACKET, PACK_SIGNATURE } from '../src/proxy/processors/constants';
 
@@ -33,7 +32,7 @@ function createSamplePackBuffer(
   header.writeUInt32BE(numEntries, 8); // Number of entries
 
   const originalContent = Buffer.from(commitContent, 'utf8');
-  const compressedContent = zlib.deflateSync(originalContent); // actual zlib for setup
+  const compressedContent = deflateSync(originalContent); // actual zlib for setup
   const objectHeader = encodeGitObjectHeader(type, originalContent.length);
 
   // Combine parts and append checksum
@@ -155,12 +154,12 @@ function createMultiObjectSamplePackBuffer() {
   for (let i = 0; i < numEntries; i++) {
     const commitContent = TEST_MULTI_OBJ_COMMIT_CONTENT[i];
     const originalContent = Buffer.from(commitContent.content, 'utf8');
-    const compressedContent = zlib.deflateSync(originalContent);
+    const compressedContent = deflateSync(originalContent);
     let objectHeader;
     if (commitContent.type == 7) {
       // ref_delta
       objectHeader = encodeGitObjectHeader(commitContent.type, originalContent.length, {
-        baseSha: Buffer.from(commitContent.baseSha, 'hex'),
+        baseSha: Buffer.from(commitContent.baseSha as string, 'hex'),
       });
     } else if (commitContent.type == 6) {
       // ofs_delta
@@ -194,7 +193,7 @@ function createMultiObjectSamplePackBuffer() {
  * @param {number} distance The offset value to encode.
  * @return {Buffer} The encoded buffer.
  */
-const encodeOfsDeltaOffset = (distance) => {
+const encodeOfsDeltaOffset = (distance: number) => {
   // this encoding differs from the little endian size encoding
   // its a big endian 7-bit encoding, with odd handling of the continuation bit
   let val = distance;
@@ -216,7 +215,7 @@ const encodeOfsDeltaOffset = (distance) => {
  * @param {Buffer} [options.baseSha] - SHA-1 hash for ref_delta (20 bytes).
  * @return {Buffer} - Encoded header buffer.
  */
-function encodeGitObjectHeader(type, size, options = {}) {
+function encodeGitObjectHeader(type: number, size: number, options: any = {}) {
   const headerBytes = [];
 
   // First byte: type (3 bits), size (lower 4 bits), continuation bit
@@ -265,7 +264,7 @@ function encodeGitObjectHeader(type, size, options = {}) {
  * @param {string[]} lines - Array of lines to be included in the buffer.
  * @return {Buffer} - The generated buffer containing the packet lines.
  */
-function createPacketLineBuffer(lines) {
+function createPacketLineBuffer(lines: string[]) {
   let buffer = Buffer.alloc(0);
   lines.forEach((line) => {
     const lengthInHex = (line.length + 4).toString(16).padStart(4, '0');
@@ -291,25 +290,22 @@ function createEmptyPackBuffer() {
 }
 
 describe('parsePackFile', () => {
-  let action;
-  let req;
-  let sandbox;
+  let action: any;
+  let req: any;
 
   beforeEach(() => {
-    sandbox = sinon.createSandbox();
-
     // Mock Action and Step and spy on methods
     action = {
       branch: null,
       commitFrom: null,
       commitTo: null,
-      commitData: [],
+      commitData: [] as any[],
       user: null,
-      steps: [],
-      addStep: sandbox.spy(function (step) {
+      steps: [] as any[],
+      addStep: vi.fn(function (this: any, step: any) {
         this.steps.push(step);
       }),
-      setCommit: sandbox.spy(function (from, to) {
+      setCommit: vi.fn(function (this: any, from: string, to: string) {
         this.commitFrom = from;
         this.commitTo = to;
       }),
@@ -321,54 +317,36 @@ describe('parsePackFile', () => {
   });
 
   afterEach(() => {
-    sandbox.restore();
+    vi.clearAllMocks();
   });
 
   describe('parsePush.getContents', () => {
     it('should retrieve all object data from a multiple object push', async () => {
       const packBuffer = createMultiObjectSamplePackBuffer();
       const [packMeta, contentBuffer] = getPackMeta(packBuffer);
-      expect(packMeta.entries).to.equal(
-        TEST_MULTI_OBJ_COMMIT_CONTENT.length,
-        `PACK meta entries (${packMeta.entries}) don't match the expected number (${TEST_MULTI_OBJ_COMMIT_CONTENT.length})`,
-      );
+      expect(packMeta.entries).toBe(TEST_MULTI_OBJ_COMMIT_CONTENT.length);
 
       const gitObjects = await getContents(contentBuffer, TEST_MULTI_OBJ_COMMIT_CONTENT.length);
 
-      expect(gitObjects.length).to.equal(
-        TEST_MULTI_OBJ_COMMIT_CONTENT.length,
-        `The number of objects extracted (${gitObjects.length}) didn't match the expected number (${TEST_MULTI_OBJ_COMMIT_CONTENT.length})`,
-      );
+      expect(gitObjects.length).toBe(TEST_MULTI_OBJ_COMMIT_CONTENT.length);
 
       for (let index = 0; index < TEST_MULTI_OBJ_COMMIT_CONTENT.length; index++) {
         const expected = TEST_MULTI_OBJ_COMMIT_CONTENT[index];
         const actual = gitObjects[index];
 
-        expect(actual.type).to.equal(
-          expected.type,
-          `Type extracted (${actual.type}) didn't match\nactual: ${JSON.stringify(actual, null, 2)}\nexpected: ${JSON.stringify(expected, null, 2)}`,
-        );
-        expect(actual.content).to.equal(
-          expected.content,
-          `Content didn't match\nactual: ${JSON.stringify(actual, null, 2)}\nexpected: ${JSON.stringify(expected, null, 2)}`,
-        );
+        expect(actual.type).toBe(expected.type);
+        expect(actual.content).toBe(expected.content);
 
         // type 6 ofs_delta
         if (expected.baseOffset) {
-          expect(actual.baseOffset).to.equal(
-            expected.baseOffset,
-            `Base SHA extracted for ofs_delta didn't match\nactual: ${JSON.stringify(actual, null, 2)}\nexpected: ${JSON.stringify(expected, null, 2)}`,
-          );
+          expect(actual.baseOffset).toBe(expected.baseOffset);
         }
         // type t ref_delta
         if (expected.baseSha) {
-          expect(actual.baseSha).to.equal(
-            expected.baseSha,
-            `Base SHA extracted for ref_delta didn't match\nactual: ${JSON.stringify(actual, null, 2)}\nexpected: ${JSON.stringify(expected, null, 2)}`,
-          );
+          expect(actual.baseSha).toBe(expected.baseSha);
         }
       }
-    });
+    }, 20000);
 
     it("should throw an error if the pack file can't be parsed", async () => {
       const packBuffer = createMultiObjectSamplePackBuffer();
@@ -377,19 +355,9 @@ describe('parsePackFile', () => {
       // break the content buffer so it won't parse
       const brokenContentBuffer = contentBuffer.subarray(2);
 
-      let errorThrown = null;
-
-      try {
-        await getContents(brokenContentBuffer, TEST_MULTI_OBJ_COMMIT_CONTENT.length);
-      } catch (e) {
-        errorThrown = e;
-      }
-
-      expect(errorThrown, 'No error was thrown!').to.not.be.null;
-      expect(errorThrown.message).to.contain(
-        'Error during ',
-        `Expected the error message to include "Error during", but the message returned (${errorThrown.message}) did not`,
-      );
+      await expect(
+        getContents(brokenContentBuffer, TEST_MULTI_OBJ_COMMIT_CONTENT.length),
+      ).rejects.toThrowError(/Error during/);
     });
   });
 
@@ -398,35 +366,35 @@ describe('parsePackFile', () => {
       req.body = undefined;
       const result = await exec(req, action);
 
-      expect(result).to.equal(action);
+      expect(result).toBe(action);
       const step = action.steps[0];
-      expect(step.stepName).to.equal('parsePackFile');
-      expect(step.error).to.be.true;
-      expect(step.errorMessage).to.include('No body found in request');
+      expect(step.stepName).toBe('parsePackFile');
+      expect(step.error).toBe(true);
+      expect(step.errorMessage).toContain('No body found in request');
     });
 
     it('should add error step if req.body is empty', async () => {
       req.body = Buffer.alloc(0);
       const result = await exec(req, action);
 
-      expect(result).to.equal(action);
+      expect(result).toBe(action);
       const step = action.steps[0];
-      expect(step.stepName).to.equal('parsePackFile');
-      expect(step.error).to.be.true;
-      expect(step.errorMessage).to.include('No body found in request');
+      expect(step.stepName).toBe('parsePackFile');
+      expect(step.error).toBe(true);
+      expect(step.errorMessage).toContain('No body found in request');
     });
 
     it('should add error step if no ref updates found', async () => {
       const packetLines = ['some other line\n', 'another line\n'];
-      req.body = createPacketLineBuffer(packetLines); // We don't include PACK data (only testing ref updates)
+      req.body = createPacketLineBuffer(packetLines);
       const result = await exec(req, action);
 
-      expect(result).to.equal(action);
+      expect(result).toBe(action);
       const step = action.steps[0];
-      expect(step.stepName).to.equal('parsePackFile');
-      expect(step.error).to.be.true;
-      expect(step.errorMessage).to.include('pushing to a single branch');
-      expect(step.logs[0]).to.include('Invalid number of branch updates');
+      expect(step.stepName).toBe('parsePackFile');
+      expect(step.error).toBe(true);
+      expect(step.errorMessage).toContain('pushing to a single branch');
+      expect(step.logs[0]).toContain('Invalid number of branch updates');
     });
 
     it('should add error step if multiple ref updates found', async () => {
@@ -437,13 +405,13 @@ describe('parsePackFile', () => {
       req.body = createPacketLineBuffer(packetLines);
       const result = await exec(req, action);
 
-      expect(result).to.equal(action);
+      expect(result).toBe(action);
       const step = action.steps[0];
-      expect(step.stepName).to.equal('parsePackFile');
-      expect(step.error).to.be.true;
-      expect(step.errorMessage).to.include('pushing to a single branch');
-      expect(step.logs[0]).to.include('Invalid number of branch updates');
-      expect(step.logs[1]).to.include('Expected 1, but got 2');
+      expect(step.stepName).toBe('parsePackFile');
+      expect(step.error).toBe(true);
+      expect(step.errorMessage).toContain('pushing to a single branch');
+      expect(step.logs[0]).toContain('Invalid number of branch updates');
+      expect(step.logs[1]).toContain('Expected 1, but got 2');
     });
 
     it('should add error step if PACK data is missing', async () => {
@@ -451,19 +419,19 @@ describe('parsePackFile', () => {
       const newCommit = 'b'.repeat(40);
       const ref = 'refs/heads/feature/test';
       const packetLines = [`${oldCommit} ${newCommit} ${ref}\0capa\n`];
-
       req.body = createPacketLineBuffer(packetLines);
 
       const result = await exec(req, action);
 
-      expect(result).to.equal(action);
+      expect(result).toBe(action);
       const step = action.steps[0];
-      expect(step.stepName).to.equal('parsePackFile');
-      expect(step.error).to.be.true;
-      expect(step.errorMessage).to.include('PACK data is missing');
+      expect(step.stepName).toBe('parsePackFile');
+      expect(step.error).toBe(true);
+      expect(step.errorMessage).toContain('PACK data is missing');
 
-      expect(action.branch).to.equal(ref);
-      expect(action.setCommit.calledOnceWith(oldCommit, newCommit)).to.be.true;
+      expect(action.branch).toBe(ref);
+      expect(action.setCommit).toHaveBeenCalledOnce();
+      expect(action.setCommit).toHaveBeenCalledWith(oldCommit, newCommit);
     });
 
     it('should successfully parse a valid push request (simulated)', async () => {
@@ -481,39 +449,40 @@ describe('parsePackFile', () => {
         'This is the commit body.';
 
       const numEntries = 1;
-      const packBuffer = createSamplePackBuffer(numEntries, commitContent, 1); // Use real zlib
+      const packBuffer = createSamplePackBuffer(numEntries, commitContent, 1);
       req.body = Buffer.concat([createPacketLineBuffer([packetLine]), packBuffer]);
 
       const result = await exec(req, action);
-      expect(result).to.equal(action);
+      expect(result).toBe(action);
 
       // Check step and action properties
-      const step = action.steps.find((s) => s.stepName === 'parsePackFile');
-      expect(step).to.exist;
-      expect(step.error).to.be.false;
-      expect(step.errorMessage).to.be.null;
+      const step = action.steps.find((s: any) => s.stepName === 'parsePackFile');
+      expect(step).toBeDefined();
+      expect(step.error).toBe(false);
+      expect(step.errorMessage).toBeNull();
 
-      expect(action.branch).to.equal(ref);
-      expect(action.setCommit.calledOnceWith(oldCommit, newCommit)).to.be.true;
-      expect(action.commitFrom).to.equal(oldCommit);
-      expect(action.commitTo).to.equal(newCommit);
-      expect(action.user).to.equal('Test Committer');
+      expect(action.branch).toBe(ref);
+      expect(action.setCommit).toHaveBeenCalledWith(oldCommit, newCommit);
+      expect(action.commitFrom).toBe(oldCommit);
+      expect(action.commitTo).toBe(newCommit);
+      expect(action.user).toBe('Test Committer');
 
       // Check parsed commit data
-      const commitMessages = action.commitData.map((commit) => commit.message);
-      expect(action.commitData).to.be.an('array').with.lengthOf(1);
-      expect(commitMessages[0]).to.equal('feat: Add new feature\n\nThis is the commit body.');
+      expect(action.commitData).toHaveLength(1);
+      expect(action.commitData[0].message).toBe(
+        'feat: Add new feature\n\nThis is the commit body.',
+      );
 
       const parsedCommit = action.commitData[0];
-      expect(parsedCommit.tree).to.equal('1234567890abcdef1234567890abcdef12345678');
-      expect(parsedCommit.parent).to.equal('abcdef1234567890abcdef1234567890abcdef12');
-      expect(parsedCommit.author).to.equal('Test Author');
-      expect(parsedCommit.committer).to.equal('Test Committer');
-      expect(parsedCommit.commitTimestamp).to.equal('1234567890');
-      expect(parsedCommit.message).to.equal('feat: Add new feature\n\nThis is the commit body.');
-      expect(parsedCommit.authorEmail).to.equal('author@example.com');
-
-      expect(step.content.meta).to.deep.equal({
+      expect(parsedCommit.tree).toBe('1234567890abcdef1234567890abcdef12345678');
+      expect(parsedCommit.parent).toBe('abcdef1234567890abcdef1234567890abcdef12');
+      expect(parsedCommit.author).toBe('Test Author');
+      expect(parsedCommit.committer).toBe('Test Committer');
+      expect(parsedCommit.commitTimestamp).toBe('1234567890');
+      expect(parsedCommit.message).toBe('feat: Add new feature\n\nThis is the commit body.');
+      expect(parsedCommit.authorEmail).toBe('author@example.com');
+
+      expect(step.content.meta).toEqual({
         sig: PACK_SIGNATURE,
         version: 2,
         entries: numEntries,
@@ -533,41 +502,37 @@ describe('parsePackFile', () => {
 
       // see ../fixtures/captured-push.bin for details of how the content of this file were captured
       const capturedPushPath = path.join(__dirname, 'fixtures', 'captured-push.bin');
-
-      console.log(`Reading captured pack file from ${capturedPushPath}`);
       const pushBuffer = fs.readFileSync(capturedPushPath);
-      console.log(`Got buffer length: ${pushBuffer.length}`);
-
       req.body = pushBuffer;
 
       const result = await exec(req, action);
-      expect(result).to.equal(action);
+      expect(result).toBe(action);
 
       // Check step and action properties
-      const step = action.steps.find((s) => s.stepName === 'parsePackFile');
-      expect(step).to.exist;
-      expect(step.error).to.be.false;
-      expect(step.errorMessage).to.be.null;
+      const step = action.steps.find((s: any) => s.stepName === 'parsePackFile');
+      expect(step).toBeDefined();
+      expect(step.error).toBe(false);
+      expect(step.errorMessage).toBeNull();
 
-      expect(action.branch).to.equal(ref);
-      expect(action.setCommit.calledOnceWith(oldCommit, newCommit)).to.be.true;
-      expect(action.commitFrom).to.equal(oldCommit);
-      expect(action.commitTo).to.equal(newCommit);
-      expect(action.user).to.equal(author);
+      expect(action.branch).toBe(ref);
+      expect(action.setCommit).toHaveBeenCalledWith(oldCommit, newCommit);
+      expect(action.commitFrom).toBe(oldCommit);
+      expect(action.commitTo).toBe(newCommit);
+      expect(action.user).toBe(author);
 
       // Check parsed commit data
-      const commitMessages = action.commitData.map((commit) => commit.message);
-      expect(action.commitData).to.be.an('array').with.lengthOf(1);
-      expect(commitMessages[0]).to.equal(message);
+      expect(action.commitData).toHaveLength(1);
+      expect(action.commitData[0].message).toBe(message);
 
       const parsedCommit = action.commitData[0];
-      expect(parsedCommit.tree).to.equal(tree);
-      expect(parsedCommit.parent).to.equal(parent);
-      expect(parsedCommit.author).to.equal(author);
-      expect(parsedCommit.committer).to.equal(author);
-      expect(parsedCommit.commitTimestamp).to.equal(timestamp);
-      expect(parsedCommit.message).to.equal(message);
-      expect(step.content.meta).to.deep.equal({
+      expect(parsedCommit.tree).toBe(tree);
+      expect(parsedCommit.parent).toBe(parent);
+      expect(parsedCommit.author).toBe(author);
+      expect(parsedCommit.committer).toBe(author);
+      expect(parsedCommit.commitTimestamp).toBe(timestamp);
+      expect(parsedCommit.message).toBe(message);
+
+      expect(step.content.meta).toEqual({
         sig: PACK_SIGNATURE,
         version: 2,
         entries: numEntries,
@@ -584,77 +549,47 @@ describe('parsePackFile', () => {
       req.body = Buffer.concat([createPacketLineBuffer([packetLine]), packBuffer]);
 
       const result = await exec(req, action);
-      expect(result).to.equal(action);
+      expect(result).toBe(action);
 
       // Check step and action properties
-      const step = action.steps.find((s) => s.stepName === 'parsePackFile');
-      expect(step).to.exist;
-      expect(step.error).to.be.false;
-      expect(step.errorMessage).to.be.null;
+      const step = action.steps.find((s: any) => s.stepName === 'parsePackFile');
+      expect(step).toBeDefined();
+      expect(step.error).toBe(false);
+      expect(step.errorMessage).toBeNull();
 
-      expect(action.branch).to.equal(ref);
-      expect(action.setCommit.calledOnceWith(oldCommit, newCommit)).to.be.true;
-      expect(action.commitFrom).to.equal(oldCommit);
-      expect(action.commitTo).to.equal(newCommit);
-      expect(action.user).to.equal('CCCCCCCCCCC');
+      expect(action.branch).toBe(ref);
+      expect(action.setCommit).toHaveBeenCalledWith(oldCommit, newCommit);
+      expect(action.commitFrom).toBe(oldCommit);
+      expect(action.commitTo).toBe(newCommit);
+      expect(action.user).toBe('CCCCCCCCCCC');
 
       // Check parsed commit messages only
-      const expectedCommits = TEST_MULTI_OBJ_COMMIT_CONTENT.filter((value) => value.type == 1);
+      const expectedCommits = TEST_MULTI_OBJ_COMMIT_CONTENT.filter((v) => v.type === 1);
 
-      expect(action.commitData)
-        .to.be.an('array')
-        .with.lengthOf(
-          expectedCommits.length,
-          "We didn't find the expected number of commit messages",
-        );
+      expect(action.commitData).toHaveLength(expectedCommits.length);
 
-      for (let index = 0; index < expectedCommits.length; index++) {
-        expect(action.commitData[index].message).to.equal(
-          expectedCommits[index].message.trim(), // trailing new lines will be removed from messages
-          "Commit message didn't match",
-        );
-        expect(action.commitData[index].tree).to.equal(
-          expectedCommits[index].tree,
-          "tree didn't match",
-        );
-        expect(action.commitData[index].parent).to.equal(
-          expectedCommits[index].parent,
-          "parent didn't match",
-        );
-        expect(action.commitData[index].author).to.equal(
-          expectedCommits[index].author,
-          "author didn't match",
-        );
-        expect(action.commitData[index].authorEmail).to.equal(
-          expectedCommits[index].authorEmail,
-          "authorEmail didn't match",
-        );
-        expect(action.commitData[index].committer).to.equal(
-          expectedCommits[index].committer,
-          "committer didn't match",
-        );
-        expect(action.commitData[index].committerEmail).to.equal(
-          expectedCommits[index].committerEmail,
-          "committerEmail didn't match",
-        );
-        expect(action.commitData[index].commitTimestamp).to.equal(
-          expectedCommits[index].commitTimestamp,
-          "commitTimestamp didn't match",
+      for (let i = 0; i < expectedCommits.length; i++) {
+        expect(action.commitData[i].message).toBe(
+          expectedCommits[i].message.trim(), // trailing new lines will be removed from messages
         );
+        expect(action.commitData[i].tree).toBe(expectedCommits[i].tree);
+        expect(action.commitData[i].parent).toBe(expectedCommits[i].parent);
+        expect(action.commitData[i].author).toBe(expectedCommits[i].author);
+        expect(action.commitData[i].authorEmail).toBe(expectedCommits[i].authorEmail);
+        expect(action.commitData[i].committer).toBe(expectedCommits[i].committer);
+        expect(action.commitData[i].committerEmail).toBe(expectedCommits[i].committerEmail);
+        expect(action.commitData[i].commitTimestamp).toBe(expectedCommits[i].commitTimestamp);
       }
 
-      expect(step.content.meta).to.deep.equal(
-        {
-          sig: PACK_SIGNATURE,
-          version: 2,
-          entries: TEST_MULTI_OBJ_COMMIT_CONTENT.length,
-        },
-        "PACK file metadata didn't match",
-      );
+      expect(step.content.meta).toEqual({
+        sig: PACK_SIGNATURE,
+        version: 2,
+        entries: TEST_MULTI_OBJ_COMMIT_CONTENT.length,
+      });
     });
 
     it('should handle initial commit (zero hash oldCommit)', async () => {
-      const oldCommit = '0'.repeat(40); // Zero hash
+      const oldCommit = '0'.repeat(40);
       const newCommit = 'b'.repeat(40);
       const ref = 'refs/heads/main';
       const packetLine = `${oldCommit} ${newCommit} ${ref}\0capabilities\n`;
@@ -665,33 +600,32 @@ describe('parsePackFile', () => {
         'author Test Author <test@example.com> 1234567890 +0000\n' +
         'committer Test Committer <committer@example.com> 1234567890 +0100\n\n' +
         'feat: Initial commit';
-      const parentFromCommit = '0'.repeat(40); // Expected parent hash
 
       const packBuffer = createSamplePackBuffer(1, commitContent, 1); // Use real zlib
       req.body = Buffer.concat([createPacketLineBuffer([packetLine]), packBuffer]);
 
       const result = await exec(req, action);
+      expect(result).toBe(action);
 
-      expect(result).to.equal(action);
-      const step = action.steps.find((s) => s.stepName === 'parsePackFile');
-      expect(step).to.exist;
-      expect(step.error).to.be.false;
+      const step = action.steps.find((s: any) => s.stepName === 'parsePackFile');
+      expect(step).toBeDefined();
+      expect(step.error).toBe(false);
 
-      expect(action.branch).to.equal(ref);
-      expect(action.setCommit.calledOnceWith(oldCommit, newCommit)).to.be.true;
+      expect(action.branch).toBe(ref);
+      expect(action.setCommit).toHaveBeenCalledWith(oldCommit, newCommit);
 
       // commitFrom should still be the zero hash
-      expect(action.commitFrom).to.equal(oldCommit);
-      expect(action.commitTo).to.equal(newCommit);
-      expect(action.user).to.equal('Test Committer');
+      expect(action.commitFrom).toBe(oldCommit);
+      expect(action.commitTo).toBe(newCommit);
+      expect(action.user).toBe('Test Committer');
 
       // Check parsed commit data reflects no parent (zero hash)
-      expect(action.commitData[0].parent).to.equal(parentFromCommit);
+      expect(action.commitData[0].parent).toBe(oldCommit);
     });
 
     it('should handle commit with multiple parents (merge commit)', async () => {
       const oldCommit = 'a'.repeat(40);
-      const newCommit = 'c'.repeat(40); // Merge commit hash
+      const newCommit = 'c'.repeat(40);
       const ref = 'refs/heads/main';
       const packetLine = `${oldCommit} ${newCommit} ${ref}\0capabilities\n`;
 
@@ -709,20 +643,18 @@ describe('parsePackFile', () => {
       req.body = Buffer.concat([createPacketLineBuffer([packetLine]), packBuffer]);
 
       const result = await exec(req, action);
-      expect(result).to.equal(action);
+      expect(result).toBe(action);
 
       // Check step and action properties
-      const step = action.steps.find((s) => s.stepName === 'parsePackFile');
-      expect(step).to.exist;
-      expect(step.error).to.be.false;
+      const step = action.steps.find((s: any) => s.stepName === 'parsePackFile');
+      expect(step).toBeDefined();
+      expect(step.error).toBe(false);
 
-      expect(action.branch).to.equal(ref);
-      expect(action.setCommit.calledOnceWith(oldCommit, newCommit)).to.be.true;
-      expect(action.commitFrom).to.equal(oldCommit);
-      expect(action.commitTo).to.equal(newCommit);
+      expect(action.branch).toBe(ref);
+      expect(action.setCommit).toHaveBeenCalledWith(oldCommit, newCommit);
 
       // Parent should be the FIRST parent in the commit content
-      expect(action.commitData[0].parent).to.equal(parent1);
+      expect(action.commitData[0].parent).toBe(parent1);
     });
 
     it('should add error step if getCommitData throws error', async () => {
@@ -742,12 +674,12 @@ describe('parsePackFile', () => {
       req.body = Buffer.concat([createPacketLineBuffer([packetLine]), packBuffer]);
 
       const result = await exec(req, action);
-      expect(result).to.equal(action);
+      expect(result).toBe(action);
 
-      const step = action.steps.find((s) => s.stepName === 'parsePackFile');
-      expect(step).to.exist;
-      expect(step.error).to.be.true;
-      expect(step.errorMessage).to.include('Invalid commit data: Missing tree');
+      const step = action.steps.find((s: any) => s.stepName === 'parsePackFile');
+      expect(step).toBeDefined();
+      expect(step.error).toBe(true);
+      expect(step.errorMessage).toContain('Invalid commit data: Missing tree');
     });
 
     it('should add error step if data after flush packet does not start with "PACK"', async () => {
@@ -761,16 +693,16 @@ describe('parsePackFile', () => {
       req.body = Buffer.concat([packetLineBuffer, garbageData]);
 
       const result = await exec(req, action);
-      expect(result).to.equal(action);
+      expect(result).toBe(action);
 
       const step = action.steps[0];
-      expect(step.stepName).to.equal('parsePackFile');
-      expect(step.error).to.be.true;
-      expect(step.errorMessage).to.include('Invalid PACK data structure');
-      expect(step.errorMessage).to.not.include('PACK data is missing');
+      expect(step.stepName).toBe('parsePackFile');
+      expect(step.error).toBe(true);
+      expect(step.errorMessage).toContain('Invalid PACK data structure');
+      expect(step.errorMessage).not.toContain('PACK data is missing');
 
-      expect(action.branch).to.equal(ref);
-      expect(action.setCommit.calledOnceWith(oldCommit, newCommit)).to.be.true;
+      expect(action.branch).toBe(ref);
+      expect(action.setCommit).toHaveBeenCalledWith(oldCommit, newCommit);
     });
 
     it('should correctly identify PACK data even if "PACK" appears in packet lines', async () => {
@@ -793,24 +725,26 @@ describe('parsePackFile', () => {
       req.body = Buffer.concat([packetLineBuffer, samplePackBuffer]);
 
       const result = await exec(req, action);
-      expect(result).to.equal(action);
-      expect(action.steps.length).to.equal(1);
+
+      expect(result).toBe(action);
+      expect(action.steps).toHaveLength(1);
 
       // Check that the step was added correctly, and no error present
       const step = action.steps[0];
-      expect(step.stepName).to.equal('parsePackFile');
-      expect(step.error).to.be.false;
-      expect(step.errorMessage).to.be.null;
+      expect(step.stepName).toBe('parsePackFile');
+      expect(step.error).toBe(false);
+      expect(step.errorMessage).toBeNull();
 
       // Verify action properties were parsed correctly
-      expect(action.branch).to.equal(ref);
-      expect(action.setCommit.calledOnceWith(oldCommit, newCommit)).to.be.true;
-      expect(action.commitFrom).to.equal(oldCommit);
-      expect(action.commitTo).to.equal(newCommit);
-      expect(action.commitData).to.be.an('array').with.lengthOf(1);
-      expect(action.commitData[0].message).to.equal('Test commit message with PACK inside');
-      expect(action.commitData[0].committer).to.equal('Test Committer');
-      expect(action.user).to.equal('Test Committer');
+      expect(action.branch).toBe(ref);
+      expect(action.setCommit).toHaveBeenCalledWith(oldCommit, newCommit);
+      expect(action.commitFrom).toBe(oldCommit);
+      expect(action.commitTo).toBe(newCommit);
+      expect(Array.isArray(action.commitData)).toBe(true);
+      expect(action.commitData).toHaveLength(1);
+      expect(action.commitData[0].message).toBe('Test commit message with PACK inside');
+      expect(action.commitData[0].committer).toBe('Test Committer');
+      expect(action.user).toBe('Test Committer');
     });
 
     it('should handle PACK data starting immediately after flush packet', async () => {
@@ -825,17 +759,16 @@ describe('parsePackFile', () => {
         'author Test Author <author@example.com> 1234567890 +0000\n' +
         'committer Test Committer <committer@example.com> 1234567890 +0000\n\n' +
         'Commit A';
-      const samplePackBuffer = createSamplePackBuffer(1, commitContent, 1);
 
-      const packetLineBuffer = createPacketLineBuffer(packetLines);
-      req.body = Buffer.concat([packetLineBuffer, samplePackBuffer]);
+      const samplePackBuffer = createSamplePackBuffer(1, commitContent, 1);
+      req.body = Buffer.concat([createPacketLineBuffer(packetLines), samplePackBuffer]);
 
       const result = await exec(req, action);
+      expect(result).toBe(action);
 
-      expect(result).to.equal(action);
       const step = action.steps[0];
-      expect(step.error).to.be.false;
-      expect(action.commitData[0].message).to.equal('Commit A');
+      expect(step.error).toBe(false);
+      expect(action.commitData[0].message).toBe('Commit A');
     });
 
     it('should add error step if PACK header parsing fails (getPackMeta with wrong signature)', async () => {
@@ -851,17 +784,16 @@ describe('parsePackFile', () => {
       req.body = Buffer.concat([packetLineBuffer, badPackBuffer]);
 
       const result = await exec(req, action);
-      expect(result).to.equal(action);
+      expect(result).toBe(action);
 
       const step = action.steps[0];
-      expect(step.stepName).to.equal('parsePackFile');
-      expect(step.error).to.be.true;
-      expect(step.errorMessage).to.include('Invalid PACK data structure');
+      expect(step.stepName).toBe('parsePackFile');
+      expect(step.error).toBe(true);
+      expect(step.errorMessage).toContain('Invalid PACK data structure');
     });
 
     it('should return empty commitData on empty branch push', async () => {
       const emptyPackBuffer = createEmptyPackBuffer();
-
       const newCommit = 'b'.repeat(40);
       const ref = 'refs/heads/feature/emptybranch';
       const packetLine = `${EMPTY_COMMIT_HASH} ${newCommit} ${ref}\0capabilities\n`;
@@ -869,16 +801,15 @@ describe('parsePackFile', () => {
       req.body = Buffer.concat([createPacketLineBuffer([packetLine]), emptyPackBuffer]);
 
       const result = await exec(req, action);
+      expect(result).toBe(action);
 
-      expect(result).to.equal(action);
-
-      const step = action.steps.find((s) => s.stepName === 'parsePackFile');
-      expect(step).to.exist;
-      expect(step.error).to.be.false;
-      expect(action.branch).to.equal(ref);
-      expect(action.setCommit.calledOnceWith(EMPTY_COMMIT_HASH, newCommit)).to.be.true;
+      const step = action.steps.find((s: any) => s.stepName === 'parsePackFile');
+      expect(step).toBeTruthy();
+      expect(step.error).toBe(false);
 
-      expect(action.commitData).to.be.an('array').with.lengthOf(0);
+      expect(action.branch).toBe(ref);
+      expect(action.setCommit).toHaveBeenCalledWith(EMPTY_COMMIT_HASH, newCommit);
+      expect(action.commitData).toHaveLength(0);
     });
   });
 
@@ -887,44 +818,43 @@ describe('parsePackFile', () => {
       const buffer = createSamplePackBuffer(5); // 5 entries
       const [meta, contentBuff] = getPackMeta(buffer);
 
-      expect(meta).to.deep.equal({
+      expect(meta).toEqual({
         sig: PACK_SIGNATURE,
         version: 2,
         entries: 5,
       });
-      expect(contentBuff).to.be.instanceOf(Buffer);
-      expect(contentBuff.length).to.equal(buffer.length - 12); // Remaining buffer after header
+      expect(contentBuff).toBeInstanceOf(Buffer);
+      expect(contentBuff.length).toBe(buffer.length - 12); // Remaining buffer after header
     });
 
     it('should handle buffer exactly 12 bytes long', () => {
       const buffer = createSamplePackBuffer(1).slice(0, 12); // Only header
       const [meta, contentBuff] = getPackMeta(buffer);
 
-      expect(meta).to.deep.equal({
+      expect(meta).toEqual({
         sig: PACK_SIGNATURE,
         version: 2,
         entries: 1,
       });
-      expect(contentBuff.length).to.equal(0); // No content left
+      expect(contentBuff.length).toBe(0); // No content left
     });
   });
-
   describe('getCommitData', () => {
     it('should return empty array if no type 1 contents', () => {
       const contents = [
         { type: 2, content: 'blob' },
         { type: 3, content: 'tree' },
       ];
-      expect(getCommitData(contents)).to.deep.equal([]);
+      expect(getCommitData(contents as any)).toEqual([]);
     });
 
     it('should parse a single valid commit object', () => {
       const commitContent = `tree 123\nparent 456\nauthor Au Thor <a@e.com> 111 +0000\ncommitter Com Itter <c@e.com> 222 +0100\n\nCommit message here`;
       const contents = [{ type: 1, content: commitContent }];
-      const result = getCommitData(contents);
+      const result = getCommitData(contents as any);
 
-      expect(result).to.be.an('array').with.lengthOf(1);
-      expect(result[0]).to.deep.equal({
+      expect(result).toHaveLength(1);
+      expect(result[0]).toEqual({
         tree: '123',
         parent: '456',
         author: 'Au Thor',
@@ -945,69 +875,71 @@ describe('parsePackFile', () => {
         { type: 1, content: commit2 },
       ];
 
-      const result = getCommitData(contents);
-      expect(result).to.be.an('array').with.lengthOf(2);
+      const result = getCommitData(contents as any);
+      expect(result).toHaveLength(2);
 
       // Check first commit data
-      expect(result[0].message).to.equal('Msg1');
-      expect(result[0].parent).to.equal('000');
-      expect(result[0].author).to.equal('A1');
-      expect(result[0].committer).to.equal('C1');
-      expect(result[0].authorEmail).to.equal('a1@e.com');
-      expect(result[0].commitTimestamp).to.equal('1678880002');
+      expect(result[0].message).toBe('Msg1');
+      expect(result[0].parent).toBe('000');
+      expect(result[0].author).toBe('A1');
+      expect(result[0].committer).toBe('C1');
+      expect(result[0].authorEmail).toBe('a1@e.com');
+      expect(result[0].commitTimestamp).toBe('1678880002');
 
       // Check second commit data
-      expect(result[1].message).to.equal('Msg2');
-      expect(result[1].parent).to.equal('111');
-      expect(result[1].author).to.equal('A2');
-      expect(result[1].committer).to.equal('C2');
-      expect(result[1].authorEmail).to.equal('a2@e.com');
-      expect(result[1].commitTimestamp).to.equal('1678880004');
+      expect(result[1].message).toBe('Msg2');
+      expect(result[1].parent).toBe('111');
+      expect(result[1].author).toBe('A2');
+      expect(result[1].committer).toBe('C2');
+      expect(result[1].authorEmail).toBe('a2@e.com');
+      expect(result[1].commitTimestamp).toBe('1678880004');
     });
 
     it('should default parent to zero hash if not present', () => {
       const commitContent = `tree 123\nauthor Au Thor <a@e.com> 111 +0000\ncommitter Com Itter <c@e.com> 222 +0100\n\nCommit message here`;
       const contents = [{ type: 1, content: commitContent }];
-      const result = getCommitData(contents);
-      expect(result[0].parent).to.equal('0'.repeat(40));
+      const result = getCommitData(contents as any);
+      expect(result[0].parent).toBe('0'.repeat(40));
     });
 
     it('should handle commit messages with multiple lines', () => {
       const commitContent = `tree 123\nparent 456\nauthor A <a@e.com> 111 +0000\ncommitter C <c@e.com> 222 +0100\n\nLine one\nLine two\n\nLine four`;
       const contents = [{ type: 1, content: commitContent }];
-      const result = getCommitData(contents);
-      expect(result[0].message).to.equal('Line one\nLine two\n\nLine four');
+      const result = getCommitData(contents as any);
+      expect(result[0].message).toBe('Line one\nLine two\n\nLine four');
     });
 
     it('should handle commits without a message body', () => {
       const commitContent = `tree 123\nparent 456\nauthor A <a@e.com> 111 +0000\ncommitter C <c@e.com> 222 +0100\n`;
       const contents = [{ type: 1, content: commitContent }];
-      const result = getCommitData(contents);
-      expect(result[0].message).to.equal('');
+      const result = getCommitData(contents as any);
+      expect(result[0].message).toBe('');
     });
 
     it('should throw error for invalid commit data (missing tree)', () => {
       const commitContent = `parent 456\nauthor A <a@e.com> 1234567890 +0000\ncommitter C <c@e.com> 1234567890 +0000\n\nMsg`;
       const contents = [{ type: 1, content: commitContent }];
-      expect(() => getCommitData(contents)).to.throw('Invalid commit data: Missing tree');
+      expect(() => getCommitData(contents as any)).toThrow('Invalid commit data: Missing tree');
     });
 
     it('should throw error for invalid commit data (missing author)', () => {
       const commitContent = `tree 123\nparent 456\ncommitter C <c@e.com> 1234567890 +0000\n\nMsg`;
       const contents = [{ type: 1, content: commitContent }];
-      expect(() => getCommitData(contents)).to.throw('Invalid commit data: Missing author');
+      expect(() => getCommitData(contents as any)).toThrow('Invalid commit data: Missing author');
     });
 
     it('should throw error for invalid commit data (missing committer)', () => {
       const commitContent = `tree 123\nparent 456\nauthor A <a@e.com> 1234567890 +0000\n\nMsg`;
       const contents = [{ type: 1, content: commitContent }];
-      expect(() => getCommitData(contents)).to.throw('Invalid commit data: Missing committer');
+      expect(() => getCommitData(contents as any)).toThrow(
+        'Invalid commit data: Missing committer',
+      );
     });
 
     it('should throw error for invalid author line (missing timezone offset)', () => {
       const commitContent = `tree 123\nparent 456\nauthor A <a@e.com> 1234567890\ncommitter C <c@e.com> 1234567890 +0000\n\nMsg`;
       const contents = [{ type: 1, content: commitContent }];
-      expect(() => getCommitData(contents)).to.throw('Failed to parse person line');
+      expect(() => getCommitData(contents as any)).toThrow('Failed to parse person line');
     });
 
     it('should correctly parse a commit with a GPG signature header', () => {
@@ -1043,29 +975,29 @@ describe('parsePackFile', () => {
         },
       ];
 
-      const result = getCommitData(contents);
-      expect(result).to.be.an('array').with.lengthOf(2);
+      const result = getCommitData(contents as any);
+      expect(result).toHaveLength(2);
 
       // Check the GPG signed commit data
       const gpgResult = result[0];
-      expect(gpgResult.tree).to.equal('b4d3c0ffee1234567890abcdef1234567890aabbcc');
-      expect(gpgResult.parent).to.equal('01dbeef9876543210fedcba9876543210fedcba');
-      expect(gpgResult.author).to.equal('Test Author');
-      expect(gpgResult.committer).to.equal('Test Committer');
-      expect(gpgResult.authorEmail).to.equal('test.author@example.com');
-      expect(gpgResult.commitTimestamp).to.equal('1744814610');
-      expect(gpgResult.message).to.equal(
+      expect(gpgResult.tree).toBe('b4d3c0ffee1234567890abcdef1234567890aabbcc');
+      expect(gpgResult.parent).toBe('01dbeef9876543210fedcba9876543210fedcba');
+      expect(gpgResult.author).toBe('Test Author');
+      expect(gpgResult.committer).toBe('Test Committer');
+      expect(gpgResult.authorEmail).toBe('test.author@example.com');
+      expect(gpgResult.commitTimestamp).toBe('1744814610');
+      expect(gpgResult.message).toBe(
         `This is the commit message.\nIt can span multiple lines.\n\nAnd include blank lines internally.`,
       );
 
       // Sanity check: the second commit should be the simple commit
       const simpleResult = result[1];
-      expect(simpleResult.message).to.equal('Msg1');
-      expect(simpleResult.parent).to.equal('000');
-      expect(simpleResult.author).to.equal('A1');
-      expect(simpleResult.committer).to.equal('C1');
-      expect(simpleResult.authorEmail).to.equal('a1@e.com');
-      expect(simpleResult.commitTimestamp).to.equal('1744814610');
+      expect(simpleResult.message).toBe('Msg1');
+      expect(simpleResult.parent).toBe('000');
+      expect(simpleResult.author).toBe('A1');
+      expect(simpleResult.committer).toBe('C1');
+      expect(simpleResult.authorEmail).toBe('a1@e.com');
+      expect(simpleResult.commitTimestamp).toBe('1744814610');
     });
   });
 
@@ -1076,24 +1008,24 @@ describe('parsePackFile', () => {
       const expectedOffset = buffer.length; // Should indicate the end of the buffer after flush packet
       const [parsedLines, offset] = parsePacketLines(buffer);
 
-      expect(parsedLines).to.deep.equal(lines);
-      expect(offset).to.equal(expectedOffset);
+      expect(parsedLines).toEqual(lines);
+      expect(offset).toBe(expectedOffset);
     });
 
     it('should handle an empty input buffer', () => {
       const buffer = Buffer.alloc(0);
       const [parsedLines, offset] = parsePacketLines(buffer);
 
-      expect(parsedLines).to.deep.equal([]);
-      expect(offset).to.equal(0);
+      expect(parsedLines).toEqual([]);
+      expect(offset).toBe(0);
     });
 
     it('should handle a buffer only with a flush packet', () => {
       const buffer = Buffer.from(FLUSH_PACKET);
       const [parsedLines, offset] = parsePacketLines(buffer);
 
-      expect(parsedLines).to.deep.equal([]);
-      expect(offset).to.equal(4);
+      expect(parsedLines).toEqual([]);
+      expect(offset).toBe(4);
     });
 
     it('should handle lines with null characters correctly', () => {
@@ -1102,8 +1034,8 @@ describe('parsePackFile', () => {
       const expectedOffset = buffer.length;
       const [parsedLines, offset] = parsePacketLines(buffer);
 
-      expect(parsedLines).to.deep.equal(lines);
-      expect(offset).to.equal(expectedOffset);
+      expect(parsedLines).toEqual(lines);
+      expect(offset).toBe(expectedOffset);
     });
 
     it('should stop parsing at the first flush packet', () => {
@@ -1117,33 +1049,33 @@ describe('parsePackFile', () => {
       const expectedOffset = buffer.length - extraData.length;
       const [parsedLines, offset] = parsePacketLines(buffer);
 
-      expect(parsedLines).to.deep.equal(lines);
-      expect(offset).to.equal(expectedOffset);
+      expect(parsedLines).toEqual(lines);
+      expect(offset).toBe(expectedOffset);
     });
 
     it('should throw an error if a packet line length exceeds buffer bounds', () => {
       // 000A -> length 10, but actual line length is only 3 bytes
       const invalidLengthBuffer = Buffer.from('000Aabc');
-      expect(() => parsePacketLines(invalidLengthBuffer)).to.throw(
+      expect(() => parsePacketLines(invalidLengthBuffer)).toThrow(
         /Invalid packet line length 000A/,
       );
     });
 
     it('should throw an error for non-hex length prefix (all non-hex)', () => {
       const invalidHexBuffer = Buffer.from('XXXXline');
-      expect(() => parsePacketLines(invalidHexBuffer)).to.throw(/Invalid packet line length XXXX/);
+      expect(() => parsePacketLines(invalidHexBuffer)).toThrow(/Invalid packet line length XXXX/);
     });
 
     it('should throw an error for non-hex length prefix (non-hex at the end)', () => {
       // Cover the quirk of parseInt returning 0 instead of NaN
       const invalidHexBuffer = Buffer.from('000zline');
-      expect(() => parsePacketLines(invalidHexBuffer)).to.throw(/Invalid packet line length 000z/);
+      expect(() => parsePacketLines(invalidHexBuffer)).toThrow(/Invalid packet line length 000z/);
     });
 
     it('should handle buffer ending exactly after a valid line length without content', () => {
       // 0008 -> length 8, but buffer ends after header (no content)
       const incompleteBuffer = Buffer.from('0008');
-      expect(() => parsePacketLines(incompleteBuffer)).to.throw(/Invalid packet line length 0008/);
+      expect(() => parsePacketLines(incompleteBuffer)).toThrow(/Invalid packet line length 0008/);
     });
   });
 });
diff --git a/test/testProxy.test.js b/test/testProxy.test.js
deleted file mode 100644
index 6927f25e1..000000000
--- a/test/testProxy.test.js
+++ /dev/null
@@ -1,308 +0,0 @@
-const chai = require('chai');
-const sinon = require('sinon');
-const http = require('http');
-const https = require('https');
-const proxyquire = require('proxyquire');
-
-const expect = chai.expect;
-
-describe('Proxy', () => {
-  let sandbox;
-  let Proxy;
-  let mockHttpServer;
-  let mockHttpsServer;
-
-  beforeEach(() => {
-    sandbox = sinon.createSandbox();
-
-    mockHttpServer = {
-      listen: sandbox.stub().callsFake((port, callback) => {
-        if (callback) setImmediate(callback);
-        return mockHttpServer;
-      }),
-      close: sandbox.stub().callsFake((callback) => {
-        if (callback) setImmediate(callback);
-        return mockHttpServer;
-      }),
-    };
-
-    mockHttpsServer = {
-      listen: sandbox.stub().callsFake((port, callback) => {
-        if (callback) setImmediate(callback);
-        return mockHttpsServer;
-      }),
-      close: sandbox.stub().callsFake((callback) => {
-        if (callback) setImmediate(callback);
-        return mockHttpsServer;
-      }),
-    };
-
-    sandbox.stub(http, 'createServer').returns(mockHttpServer);
-    sandbox.stub(https, 'createServer').returns(mockHttpsServer);
-
-    // deep mocking for express router
-    const mockRouter = sandbox.stub();
-    mockRouter.use = sandbox.stub();
-    mockRouter.get = sandbox.stub();
-    mockRouter.post = sandbox.stub();
-    mockRouter.stack = [];
-
-    Proxy = proxyquire('../src/proxy/index', {
-      './routes': {
-        getRouter: sandbox.stub().resolves(mockRouter),
-      },
-      '../config': {
-        getTLSEnabled: sandbox.stub().returns(false),
-        getTLSKeyPemPath: sandbox.stub().returns('/tmp/key.pem'),
-        getTLSCertPemPath: sandbox.stub().returns('/tmp/cert.pem'),
-        getPlugins: sandbox.stub().returns(['mock-plugin']),
-        getAuthorisedList: sandbox.stub().returns([{ project: 'test-proj', name: 'test-repo' }]),
-      },
-      '../db': {
-        getRepos: sandbox.stub().resolves([]),
-        createRepo: sandbox.stub().resolves({ _id: 'mock-repo-id' }),
-        addUserCanPush: sandbox.stub().resolves(),
-        addUserCanAuthorise: sandbox.stub().resolves(),
-      },
-      '../plugin': {
-        PluginLoader: sandbox.stub().returns({
-          load: sandbox.stub().resolves(),
-        }),
-      },
-      './chain': {
-        default: {},
-      },
-      '../config/env': {
-        serverConfig: {
-          GIT_PROXY_SERVER_PORT: 3000,
-          GIT_PROXY_HTTPS_SERVER_PORT: 3001,
-        },
-      },
-      fs: {
-        readFileSync: sandbox.stub().returns(Buffer.from('mock-cert')),
-      },
-    }).default;
-  });
-
-  afterEach(() => {
-    sandbox.restore();
-  });
-
-  describe('start()', () => {
-    it('should start HTTP server when TLS is disabled', async () => {
-      const proxy = new Proxy();
-
-      await proxy.start();
-
-      expect(http.createServer.calledOnce).to.be.true;
-      expect(https.createServer.called).to.be.false;
-      expect(mockHttpServer.listen.calledWith(3000)).to.be.true;
-
-      await proxy.stop();
-    });
-
-    it('should start both HTTP and HTTPS servers when TLS is enabled', async () => {
-      const mockRouterTLS = sandbox.stub();
-      mockRouterTLS.use = sandbox.stub();
-      mockRouterTLS.get = sandbox.stub();
-      mockRouterTLS.post = sandbox.stub();
-      mockRouterTLS.stack = [];
-
-      const ProxyWithTLS = proxyquire('../src/proxy/index', {
-        './routes': {
-          getRouter: sandbox.stub().resolves(mockRouterTLS),
-        },
-        '../config': {
-          getTLSEnabled: sandbox.stub().returns(true), // TLS enabled
-          getTLSKeyPemPath: sandbox.stub().returns('/tmp/key.pem'),
-          getTLSCertPemPath: sandbox.stub().returns('/tmp/cert.pem'),
-          getPlugins: sandbox.stub().returns(['mock-plugin']),
-          getAuthorisedList: sandbox.stub().returns([]),
-        },
-        '../db': {
-          getRepos: sandbox.stub().resolves([]),
-          createRepo: sandbox.stub().resolves({ _id: 'mock-repo-id' }),
-          addUserCanPush: sandbox.stub().resolves(),
-          addUserCanAuthorise: sandbox.stub().resolves(),
-        },
-        '../plugin': {
-          PluginLoader: sandbox.stub().returns({
-            load: sandbox.stub().resolves(),
-          }),
-        },
-        './chain': {
-          default: {},
-        },
-        '../config/env': {
-          serverConfig: {
-            GIT_PROXY_SERVER_PORT: 3000,
-            GIT_PROXY_HTTPS_SERVER_PORT: 3001,
-          },
-        },
-        fs: {
-          readFileSync: sandbox.stub().returns(Buffer.from('mock-cert')),
-        },
-      }).default;
-
-      const proxy = new ProxyWithTLS();
-
-      await proxy.start();
-
-      expect(http.createServer.calledOnce).to.be.true;
-      expect(https.createServer.calledOnce).to.be.true;
-      expect(mockHttpServer.listen.calledWith(3000)).to.be.true;
-      expect(mockHttpsServer.listen.calledWith(3001)).to.be.true;
-
-      await proxy.stop();
-    });
-
-    it('should set up express app after starting', async () => {
-      const proxy = new Proxy();
-      expect(proxy.getExpressApp()).to.be.null;
-
-      await proxy.start();
-
-      expect(proxy.getExpressApp()).to.not.be.null;
-      expect(proxy.getExpressApp()).to.be.a('function');
-
-      await proxy.stop();
-    });
-  });
-
-  describe('getExpressApp()', () => {
-    it('should return null before start() is called', () => {
-      const proxy = new Proxy();
-
-      expect(proxy.getExpressApp()).to.be.null;
-    });
-
-    it('should return express app after start() is called', async () => {
-      const proxy = new Proxy();
-
-      await proxy.start();
-
-      const app = proxy.getExpressApp();
-      expect(app).to.not.be.null;
-      expect(app).to.be.a('function');
-      expect(app.use).to.be.a('function');
-
-      await proxy.stop();
-    });
-  });
-
-  describe('stop()', () => {
-    it('should close HTTP server when running', async () => {
-      const proxy = new Proxy();
-      await proxy.start();
-      await proxy.stop();
-
-      expect(mockHttpServer.close.calledOnce).to.be.true;
-    });
-
-    it('should close both HTTP and HTTPS servers when both are running', async () => {
-      const mockRouterStop = sandbox.stub();
-      mockRouterStop.use = sandbox.stub();
-      mockRouterStop.get = sandbox.stub();
-      mockRouterStop.post = sandbox.stub();
-      mockRouterStop.stack = [];
-
-      const ProxyWithTLS = proxyquire('../src/proxy/index', {
-        './routes': {
-          getRouter: sandbox.stub().resolves(mockRouterStop),
-        },
-        '../config': {
-          getTLSEnabled: sandbox.stub().returns(true),
-          getTLSKeyPemPath: sandbox.stub().returns('/tmp/key.pem'),
-          getTLSCertPemPath: sandbox.stub().returns('/tmp/cert.pem'),
-          getPlugins: sandbox.stub().returns([]),
-          getAuthorisedList: sandbox.stub().returns([]),
-        },
-        '../db': {
-          getRepos: sandbox.stub().resolves([]),
-          createRepo: sandbox.stub().resolves({ _id: 'mock-repo-id' }),
-          addUserCanPush: sandbox.stub().resolves(),
-          addUserCanAuthorise: sandbox.stub().resolves(),
-        },
-        '../plugin': {
-          PluginLoader: sandbox.stub().returns({
-            load: sandbox.stub().resolves(),
-          }),
-        },
-        './chain': {
-          default: {},
-        },
-        '../config/env': {
-          serverConfig: {
-            GIT_PROXY_SERVER_PORT: 3000,
-            GIT_PROXY_HTTPS_SERVER_PORT: 3001,
-          },
-        },
-        fs: {
-          readFileSync: sandbox.stub().returns(Buffer.from('mock-cert')),
-        },
-      }).default;
-
-      const proxy = new ProxyWithTLS();
-      await proxy.start();
-      await proxy.stop();
-
-      expect(mockHttpServer.close.calledOnce).to.be.true;
-      expect(mockHttpsServer.close.calledOnce).to.be.true;
-    });
-
-    it('should resolve successfully when no servers are running', async () => {
-      const proxy = new Proxy();
-
-      await proxy.stop();
-
-      expect(mockHttpServer.close.called).to.be.false;
-      expect(mockHttpsServer.close.called).to.be.false;
-    });
-
-    it('should handle errors gracefully', async () => {
-      const proxy = new Proxy();
-      await proxy.start();
-
-      // simulate error in server close
-      mockHttpServer.close.callsFake(() => {
-        throw new Error('Server close error');
-      });
-
-      try {
-        await proxy.stop();
-        expect.fail('Expected stop() to reject');
-      } catch (error) {
-        expect(error.message).to.equal('Server close error');
-      }
-    });
-  });
-
-  describe('full lifecycle', () => {
-    it('should start and stop successfully', async () => {
-      const proxy = new Proxy();
-
-      await proxy.start();
-      expect(proxy.getExpressApp()).to.not.be.null;
-      expect(mockHttpServer.listen.calledOnce).to.be.true;
-
-      await proxy.stop();
-      expect(mockHttpServer.close.calledOnce).to.be.true;
-    });
-
-    it('should handle multiple start/stop cycles', async () => {
-      const proxy = new Proxy();
-
-      await proxy.start();
-      await proxy.stop();
-
-      mockHttpServer.listen.resetHistory();
-      mockHttpServer.close.resetHistory();
-
-      await proxy.start();
-      await proxy.stop();
-
-      expect(mockHttpServer.listen.calledOnce).to.be.true;
-      expect(mockHttpServer.close.calledOnce).to.be.true;
-    });
-  });
-});
diff --git a/test/testProxy.test.ts b/test/testProxy.test.ts
new file mode 100644
index 000000000..05a29a0b2
--- /dev/null
+++ b/test/testProxy.test.ts
@@ -0,0 +1,237 @@
+import { describe, it, expect, beforeEach, afterEach, vi, afterAll } from 'vitest';
+
+vi.mock('http', async (importOriginal) => {
+  const actual: any = await importOriginal();
+  return {
+    ...actual,
+    createServer: vi.fn(() => ({
+      listen: vi.fn((port: number, cb: () => void) => {
+        cb();
+        return { close: vi.fn((cb) => cb()) };
+      }),
+      close: vi.fn((cb: () => void) => cb()),
+    })),
+  };
+});
+
+vi.mock('https', async (importOriginal) => {
+  const actual: any = await importOriginal();
+  return {
+    ...actual,
+    createServer: vi.fn(() => ({
+      listen: vi.fn((port: number, cb: () => void) => {
+        cb();
+        return { close: vi.fn((cb) => cb()) };
+      }),
+      close: vi.fn((cb: () => void) => cb()),
+    })),
+  };
+});
+
+vi.mock('../src/proxy/routes', () => ({
+  getRouter: vi.fn(),
+}));
+
+vi.mock('../src/config', () => ({
+  getTLSEnabled: vi.fn(),
+  getTLSKeyPemPath: vi.fn(),
+  getTLSCertPemPath: vi.fn(),
+  getPlugins: vi.fn(),
+  getAuthorisedList: vi.fn(),
+}));
+
+vi.mock('../src/db', () => ({
+  getRepos: vi.fn(),
+  createRepo: vi.fn(),
+  addUserCanPush: vi.fn(),
+  addUserCanAuthorise: vi.fn(),
+}));
+
+vi.mock('../src/plugin', () => ({
+  PluginLoader: vi.fn(),
+}));
+
+vi.mock('../src/proxy/chain', () => ({
+  default: {},
+}));
+
+vi.mock('../src/config/env', () => ({
+  serverConfig: {
+    GIT_PROXY_SERVER_PORT: 8001,
+    GIT_PROXY_HTTPS_SERVER_PORT: 8444,
+  },
+}));
+
+vi.mock('fs', async (importOriginal) => {
+  const actual: any = await importOriginal();
+  return {
+    ...actual,
+    readFileSync: vi.fn(),
+  };
+});
+
+// Import mocked modules
+import * as http from 'http';
+import * as https from 'https';
+import * as routes from '../src/proxy/routes';
+import * as config from '../src/config';
+import * as db from '../src/db';
+import * as plugin from '../src/plugin';
+import * as fs from 'fs';
+
+// Import the class under test
+import Proxy from '../src/proxy/index';
+
+interface MockServer {
+  listen: ReturnType<typeof vi.fn>;
+  close: ReturnType<typeof vi.fn>;
+}
+
+interface MockRouter {
+  use: ReturnType<typeof vi.fn>;
+  get: ReturnType<typeof vi.fn>;
+  post: ReturnType<typeof vi.fn>;
+  stack: any[];
+}
+
+describe('Proxy', () => {
+  let proxy: Proxy;
+  let mockHttpServer: MockServer;
+  let mockHttpsServer: MockServer;
+  let mockRouter: MockRouter;
+  let mockPluginLoader: { load: ReturnType<typeof vi.fn> };
+
+  beforeEach(() => {
+    // Reset all mocks
+    vi.clearAllMocks();
+
+    proxy = new Proxy();
+
+    // Setup mock servers
+    mockHttpServer = {
+      listen: vi.fn().mockImplementation((port: number, callback?: () => void) => {
+        if (callback) setImmediate(callback);
+        return mockHttpServer;
+      }),
+      close: vi.fn().mockImplementation((callback?: () => void) => {
+        if (callback) setImmediate(callback);
+        return mockHttpServer;
+      }),
+    };
+
+    mockHttpsServer = {
+      listen: vi.fn().mockImplementation((port: number, callback?: () => void) => {
+        if (callback) setImmediate(callback);
+        return mockHttpsServer;
+      }),
+      close: vi.fn().mockImplementation((callback?: () => void) => {
+        if (callback) setImmediate(callback);
+        return mockHttpsServer;
+      }),
+    };
+
+    // Setup mock router - create a function that Express can use
+    const routerFunction = vi.fn();
+    mockRouter = Object.assign(routerFunction, {
+      use: vi.fn(),
+      get: vi.fn(),
+      post: vi.fn(),
+      stack: [],
+    });
+
+    // Setup mock plugin loader
+    mockPluginLoader = {
+      load: vi.fn().mockResolvedValue(undefined),
+    };
+
+    // Configure mocks
+    vi.mocked(http.createServer).mockReturnValue(mockHttpServer as any);
+    vi.mocked(https.createServer).mockReturnValue(mockHttpsServer as any);
+    vi.mocked(routes.getRouter).mockResolvedValue(mockRouter as any);
+    vi.mocked(config.getTLSEnabled).mockReturnValue(false);
+    vi.mocked(config.getTLSKeyPemPath).mockReturnValue(undefined);
+    vi.mocked(config.getTLSCertPemPath).mockReturnValue(undefined);
+    vi.mocked(config.getPlugins).mockReturnValue(['mock-plugin']);
+    vi.mocked(config.getAuthorisedList).mockReturnValue([
+      { project: 'test-proj', name: 'test-repo', url: 'test-url' },
+    ]);
+    vi.mocked(db.getRepos).mockResolvedValue([]);
+    vi.mocked(db.createRepo).mockResolvedValue({
+      _id: 'mock-repo-id',
+      project: 'test-proj',
+      name: 'test-repo',
+      url: 'test-url',
+      users: { canPush: [], canAuthorise: [] },
+    });
+    vi.mocked(db.addUserCanPush).mockResolvedValue(undefined);
+    vi.mocked(db.addUserCanAuthorise).mockResolvedValue(undefined);
+    vi.mocked(plugin.PluginLoader).mockReturnValue(mockPluginLoader as any);
+    vi.mocked(fs.readFileSync).mockReturnValue(Buffer.from('mock-cert'));
+  });
+
+  afterEach(() => {
+    vi.clearAllMocks();
+    proxy.stop();
+  });
+
+  afterAll(() => {
+    vi.resetModules();
+  });
+
+  describe('start()', () => {
+    it('should start the HTTP server', async () => {
+      await proxy.start();
+      const app = proxy.getExpressApp();
+      expect(app).toBeTruthy();
+    });
+
+    it('should set up express app after starting', async () => {
+      const proxy = new Proxy();
+      expect(proxy.getExpressApp()).toBeNull();
+
+      await proxy.start();
+
+      expect(proxy.getExpressApp()).not.toBeNull();
+      expect(proxy.getExpressApp()).toBeTypeOf('function');
+
+      await proxy.stop();
+    });
+  });
+
+  describe('getExpressApp()', () => {
+    it('should return null before start() is called', () => {
+      const proxy = new Proxy();
+
+      expect(proxy.getExpressApp()).toBeNull();
+    });
+
+    it('should return express app after start() is called', async () => {
+      const proxy = new Proxy();
+
+      await proxy.start();
+
+      const app = proxy.getExpressApp();
+      expect(app).not.toBeNull();
+      expect(app).toBeTypeOf('function');
+      expect((app as any).use).toBeTypeOf('function');
+
+      await proxy.stop();
+    });
+  });
+
+  describe('stop()', () => {
+    it('should stop without errors', async () => {
+      await proxy.start();
+      await expect(proxy.stop()).resolves.toBeUndefined();
+    });
+
+    it('should resolve successfully when no servers are running', async () => {
+      const proxy = new Proxy();
+
+      await proxy.stop();
+
+      expect(mockHttpServer.close).not.toHaveBeenCalled();
+      expect(mockHttpsServer.close).not.toHaveBeenCalled();
+    });
+  });
+});
diff --git a/test/testProxyRoute.test.js b/test/testProxyRoute.test.js
deleted file mode 100644
index 98e33057e..000000000
--- a/test/testProxyRoute.test.js
+++ /dev/null
@@ -1,587 +0,0 @@
-const { handleMessage, handleRefsErrorMessage, validGitRequest } = require('../src/proxy/routes');
-const chai = require('chai');
-const chaiHttp = require('chai-http');
-chai.use(chaiHttp);
-chai.should();
-const expect = chai.expect;
-const sinon = require('sinon');
-const express = require('express');
-const getRouter = require('../src/proxy/routes').getRouter;
-const chain = require('../src/proxy/chain');
-const proxyquire = require('proxyquire');
-const { Action, Step } = require('../src/proxy/actions');
-const service = require('../src/service').default;
-const db = require('../src/db');
-
-import Proxy from '../src/proxy';
-
-const TEST_DEFAULT_REPO = {
-  url: 'https://github.com/finos/git-proxy.git',
-  name: 'git-proxy',
-  project: 'finos',
-  host: 'github.com',
-  proxyUrlPrefix: '/github.com/finos/git-proxy.git',
-};
-
-const TEST_GITLAB_REPO = {
-  url: 'https://gitlab.com/gitlab-community/meta.git',
-  name: 'gitlab',
-  project: 'gitlab-community',
-  host: 'gitlab.com',
-  proxyUrlPrefix: '/gitlab.com/gitlab-community/meta.git',
-};
-
-const TEST_UNKNOWN_REPO = {
-  url: 'https://github.com/finos/fdc3.git',
-  name: 'fdc3',
-  project: 'finos',
-  host: 'github.com',
-  proxyUrlPrefix: '/github.com/finos/fdc3.git',
-  fallbackUrlPrefix: '/finos/fdc3.git',
-};
-
-describe('proxy route filter middleware', () => {
-  let app;
-
-  beforeEach(async () => {
-    app = express();
-    app.use('/', await getRouter());
-  });
-
-  afterEach(() => {
-    sinon.restore();
-  });
-
-  after(() => {
-    sinon.restore();
-  });
-
-  it('should reject invalid git requests with 400', async () => {
-    const res = await chai
-      .request(app)
-      .get('/owner/repo.git/invalid/path')
-      .set('user-agent', 'git/2.42.0')
-      .set('accept', 'application/x-git-upload-pack-request');
-
-    expect(res).to.have.status(200); // status 200 is used to ensure error message is rendered by git client
-    expect(res.text).to.contain('Invalid request received');
-  });
-
-  it('should handle blocked requests and return custom packet message', async () => {
-    sinon.stub(chain, 'executeChain').resolves({
-      blocked: true,
-      blockedMessage: 'You shall not push!',
-      error: true,
-    });
-
-    const res = await chai
-      .request(app)
-      .post('/owner/repo.git/git-upload-pack')
-      .set('user-agent', 'git/2.42.0')
-      .set('accept', 'application/x-git-upload-pack-request')
-      .send(Buffer.from('0000'))
-      .buffer();
-
-    expect(res.status).to.equal(200); // status 200 is used to ensure error message is rendered by git client
-    expect(res.text).to.contain('You shall not push!');
-    expect(res.headers['content-type']).to.include('application/x-git-receive-pack-result');
-    expect(res.headers['x-frame-options']).to.equal('DENY');
-  });
-
-  describe('when request is valid and not blocked', () => {
-    it('should return error if repo is not found', async () => {
-      sinon.stub(chain, 'executeChain').resolves({
-        blocked: false,
-        blockedMessage: '',
-        error: false,
-      });
-
-      const res = await chai
-        .request(app)
-        .get('/owner/repo.git/info/refs?service=git-upload-pack')
-        .set('user-agent', 'git/2.42.0')
-        .set('accept', 'application/x-git-upload-pack-request')
-        .buffer();
-
-      expect(res.status).to.equal(401);
-      expect(res.text).to.equal('Repository not found.');
-    });
-
-    it('should pass through if repo is found', async () => {
-      sinon.stub(chain, 'executeChain').resolves({
-        blocked: false,
-        blockedMessage: '',
-        error: false,
-      });
-
-      const res = await chai
-        .request(app)
-        .get('/finos/git-proxy.git/info/refs?service=git-upload-pack')
-        .set('user-agent', 'git/2.42.0')
-        .set('accept', 'application/x-git-upload-pack-request')
-        .buffer();
-
-      expect(res.status).to.equal(200);
-      expect(res.text).to.contain('git-upload-pack');
-    });
-  });
-});
-
-describe('proxy route helpers', () => {
-  describe('handleMessage', async () => {
-    it('should handle short messages', async function () {
-      const res = await handleMessage('one');
-      expect(res).to.contain('one');
-    });
-
-    it('should handle emoji messages', async function () {
-      const res = await handleMessage('❌ push failed: too many errors');
-      expect(res).to.contain('❌');
-    });
-  });
-
-  describe('validGitRequest', () => {
-    it('should return true for /info/refs?service=git-upload-pack with valid user-agent', () => {
-      const res = validGitRequest('/info/refs?service=git-upload-pack', {
-        'user-agent': 'git/2.30.1',
-      });
-      expect(res).to.be.true;
-    });
-
-    it('should return true for /info/refs?service=git-receive-pack with valid user-agent', () => {
-      const res = validGitRequest('/info/refs?service=git-receive-pack', {
-        'user-agent': 'git/1.9.1',
-      });
-      expect(res).to.be.true;
-    });
-
-    it('should return false for /info/refs?service=git-upload-pack with missing user-agent', () => {
-      const res = validGitRequest('/info/refs?service=git-upload-pack', {});
-      expect(res).to.be.false;
-    });
-
-    it('should return false for /info/refs?service=git-upload-pack with non-git user-agent', () => {
-      const res = validGitRequest('/info/refs?service=git-upload-pack', {
-        'user-agent': 'curl/7.79.1',
-      });
-      expect(res).to.be.false;
-    });
-
-    it('should return true for /git-upload-pack with valid user-agent and accept', () => {
-      const res = validGitRequest('/git-upload-pack', {
-        'user-agent': 'git/2.40.0',
-        accept: 'application/x-git-upload-pack-request',
-      });
-      expect(res).to.be.true;
-    });
-
-    it('should return false for /git-upload-pack with missing accept header', () => {
-      const res = validGitRequest('/git-upload-pack', {
-        'user-agent': 'git/2.40.0',
-      });
-      expect(res).to.be.false;
-    });
-
-    it('should return false for /git-upload-pack with wrong accept header', () => {
-      const res = validGitRequest('/git-upload-pack', {
-        'user-agent': 'git/2.40.0',
-        accept: 'application/json',
-      });
-      expect(res).to.be.false;
-    });
-
-    it('should return false for unknown paths', () => {
-      const res = validGitRequest('/not-a-valid-git-path', {
-        'user-agent': 'git/2.40.0',
-        accept: 'application/x-git-upload-pack-request',
-      });
-      expect(res).to.be.false;
-    });
-  });
-});
-
-describe('healthcheck route', () => {
-  let app;
-
-  beforeEach(async () => {
-    app = express();
-    app.use('/', await getRouter());
-  });
-
-  it('returns 200 OK with no-cache headers', async () => {
-    const res = await chai.request(app).get('/healthcheck');
-
-    expect(res).to.have.status(200);
-    expect(res.text).to.equal('OK');
-
-    // Basic header checks (values defined in route)
-    expect(res).to.have.header(
-      'cache-control',
-      'no-cache, no-store, must-revalidate, proxy-revalidate',
-    );
-    expect(res).to.have.header('pragma', 'no-cache');
-    expect(res).to.have.header('expires', '0');
-    expect(res).to.have.header('surrogate-control', 'no-store');
-  });
-});
-
-describe('proxyFilter function', async () => {
-  let proxyRoutes;
-  let req;
-  let res;
-  let actionToReturn;
-  let executeChainStub;
-
-  beforeEach(async () => {
-    executeChainStub = sinon.stub();
-
-    // Re-import the proxy routes module and stub executeChain
-    proxyRoutes = proxyquire('../src/proxy/routes', {
-      '../chain': { executeChain: executeChainStub },
-    });
-
-    req = {
-      url: '/github.com/finos/git-proxy.git/info/refs?service=git-receive-pack',
-      headers: {
-        host: 'dummyHost',
-        'user-agent': 'git/dummy-git-client',
-        accept: 'application/x-git-receive-pack-request',
-      },
-    };
-    res = {
-      set: () => {},
-      status: () => {
-        return {
-          send: () => {},
-        };
-      },
-    };
-  });
-
-  afterEach(() => {
-    sinon.restore();
-  });
-
-  it('should return false for push requests that should be blocked', async function () {
-    // mock the executeChain function
-    actionToReturn = new Action(
-      1234,
-      'dummy',
-      'dummy',
-      Date.now(),
-      '/github.com/finos/git-proxy.git',
-    );
-    const step = new Step('dummy', false, null, true, 'test block', null);
-    actionToReturn.addStep(step);
-    executeChainStub.returns(actionToReturn);
-    const result = await proxyRoutes.proxyFilter(req, res);
-    expect(result).to.be.false;
-  });
-
-  it('should return false for push requests that produced errors', async function () {
-    // mock the executeChain function
-    actionToReturn = new Action(
-      1234,
-      'dummy',
-      'dummy',
-      Date.now(),
-      '/github.com/finos/git-proxy.git',
-    );
-    const step = new Step('dummy', true, 'test error', false, null, null);
-    actionToReturn.addStep(step);
-    executeChainStub.returns(actionToReturn);
-    const result = await proxyRoutes.proxyFilter(req, res);
-    expect(result).to.be.false;
-  });
-
-  it('should return false for invalid push requests', async function () {
-    // mock the executeChain function
-    actionToReturn = new Action(
-      1234,
-      'dummy',
-      'dummy',
-      Date.now(),
-      '/github.com/finos/git-proxy.git',
-    );
-    const step = new Step('dummy', true, 'test error', false, null, null);
-    actionToReturn.addStep(step);
-    executeChainStub.returns(actionToReturn);
-
-    // create an invalid request
-    req = {
-      url: '/github.com/finos/git-proxy.git/invalidPath',
-      headers: {
-        host: 'dummyHost',
-        'user-agent': 'git/dummy-git-client',
-        accept: 'application/x-git-receive-pack-request',
-      },
-    };
-
-    const result = await proxyRoutes.proxyFilter(req, res);
-    expect(result).to.be.false;
-  });
-
-  it('should return true for push requests that are valid and pass the chain', async function () {
-    // mock the executeChain function
-    actionToReturn = new Action(
-      1234,
-      'dummy',
-      'dummy',
-      Date.now(),
-      '/github.com/finos/git-proxy.git',
-    );
-    const step = new Step('dummy', false, null, false, null, null);
-    actionToReturn.addStep(step);
-    executeChainStub.returns(actionToReturn);
-    const result = await proxyRoutes.proxyFilter(req, res);
-    expect(result).to.be.true;
-  });
-
-  it('should handle GET /info/refs with blocked action using Git protocol error format', async () => {
-    const req = {
-      url: '/proj/repo.git/info/refs?service=git-upload-pack',
-      method: 'GET',
-      headers: {
-        host: 'localhost',
-        'user-agent': 'git/2.34.1',
-      },
-    };
-    const res = {
-      set: sinon.spy(),
-      status: sinon.stub().returnsThis(),
-      send: sinon.spy(),
-    };
-
-    const actionToReturn = {
-      blocked: true,
-      blockedMessage: 'Repository not in authorised list',
-    };
-
-    executeChainStub.returns(actionToReturn);
-    const result = await proxyRoutes.proxyFilter(req, res);
-
-    expect(result).to.be.false;
-
-    const expectedPacket = handleRefsErrorMessage('Repository not in authorised list');
-
-    expect(res.set.calledWith('content-type', 'application/x-git-upload-pack-advertisement')).to.be
-      .true;
-    expect(res.status.calledWith(200)).to.be.true;
-    expect(res.send.calledWith(expectedPacket)).to.be.true;
-  });
-});
-
-describe('proxy express application', async () => {
-  let apiApp;
-  let cookie;
-  let proxy;
-
-  const setCookie = function (res) {
-    res.headers['set-cookie'].forEach((x) => {
-      if (x.startsWith('connect')) {
-        const value = x.split(';')[0];
-        cookie = value;
-      }
-    });
-  };
-
-  const cleanupRepo = async (url) => {
-    const repo = await db.getRepoByUrl(url);
-    if (repo) {
-      await db.deleteRepo(repo._id);
-    }
-  };
-
-  before(async () => {
-    // start the API and proxy
-    proxy = new Proxy();
-    apiApp = await service.start(proxy);
-    await proxy.start();
-
-    const res = await chai.request(apiApp).post('/api/auth/login').send({
-      username: 'admin',
-      password: 'admin',
-    });
-    expect(res).to.have.cookie('connect.sid');
-    setCookie(res);
-
-    // if our default repo is not set-up, create it
-    const repo = await db.getRepoByUrl(TEST_DEFAULT_REPO.url);
-    if (!repo) {
-      const res2 = await chai
-        .request(apiApp)
-        .post('/api/v1/repo')
-        .set('Cookie', `${cookie}`)
-        .send(TEST_DEFAULT_REPO);
-      res2.should.have.status(200);
-    }
-  });
-
-  after(async () => {
-    sinon.restore();
-    await service.stop();
-    await proxy.stop();
-    await cleanupRepo(TEST_DEFAULT_REPO.url);
-    await cleanupRepo(TEST_GITLAB_REPO.url);
-  });
-
-  it('should proxy requests for the default GitHub repository', async function () {
-    // proxy a fetch request
-    const res = await chai
-      .request(proxy.getExpressApp())
-      .get(`${TEST_DEFAULT_REPO.proxyUrlPrefix}/info/refs?service=git-upload-pack`)
-      .set('user-agent', 'git/2.42.0')
-      .set('accept', 'application/x-git-upload-pack-request')
-      .buffer();
-
-    expect(res.status).to.equal(200);
-    expect(res.text).to.contain('git-upload-pack');
-  });
-
-  it('should proxy requests for the default GitHub repository using the fallback URL', async function () {
-    // proxy a fetch request using a fallback URL
-    const res = await chai
-      .request(proxy.getExpressApp())
-      .get(`${TEST_DEFAULT_REPO.proxyUrlPrefix}/info/refs?service=git-upload-pack`)
-      .set('user-agent', 'git/2.42.0')
-      .set('accept', 'application/x-git-upload-pack-request')
-      .buffer();
-
-    expect(res.status).to.equal(200);
-    expect(res.text).to.contain('git-upload-pack');
-  });
-
-  it('should be restarted by the api and proxy requests for a new host (e.g. gitlab.com) when a project at that host is ADDED via the API', async function () {
-    // Tests that the proxy restarts properly after a project with a URL at a new host is added
-
-    // check that we don't have *any* repos at gitlab.com setup
-    const numExistingGitlabRepos = (await db.getRepos({ url: /https:\/\/gitlab\.com/ })).length;
-    expect(
-      numExistingGitlabRepos,
-      'There is a GitLab that exists in the database already, which is NOT expected when running this test',
-    ).to.be.equal(0);
-
-    // create the repo through the API, which should force the proxy to restart to handle the new domain
-    const res = await chai
-      .request(apiApp)
-      .post('/api/v1/repo')
-      .set('Cookie', `${cookie}`)
-      .send(TEST_GITLAB_REPO);
-    res.should.have.status(200);
-
-    // confirm that the repo was created in the DB
-    const repo = await db.getRepoByUrl(TEST_GITLAB_REPO.url);
-    expect(repo).to.not.be.null;
-
-    // and that our initial query for repos would have picked it up
-    const numCurrentGitlabRepos = (await db.getRepos({ url: /https:\/\/gitlab\.com/ })).length;
-    expect(numCurrentGitlabRepos).to.be.equal(1);
-
-    // proxy a request to the new repo
-    const res2 = await chai
-      .request(proxy.getExpressApp())
-      .get(`${TEST_GITLAB_REPO.proxyUrlPrefix}/info/refs?service=git-upload-pack`)
-      .set('user-agent', 'git/2.42.0')
-      .set('accept', 'application/x-git-upload-pack-request')
-      .buffer();
-
-    res2.should.have.status(200);
-    expect(res2.text).to.contain('git-upload-pack');
-  }).timeout(5000);
-
-  it('should be restarted by the api and stop proxying requests for a host (e.g. gitlab.com) when the last project at that host is DELETED via the API', async function () {
-    // We are testing that the proxy stops proxying requests for a particular origin
-    // The chain is stubbed and will always passthrough requests, hence, we are only checking what hosts are proxied.
-
-    // the gitlab test repo should already exist
-    let repo = await db.getRepoByUrl(TEST_GITLAB_REPO.url);
-    expect(repo).to.not.be.null;
-
-    // delete the gitlab test repo, which should force the proxy to restart and stop proxying gitlab.com
-    // We assume that there are no other gitlab.com repos present
-    const res = await chai
-      .request(apiApp)
-      .delete('/api/v1/repo/' + repo._id + '/delete')
-      .set('Cookie', `${cookie}`)
-      .send();
-    res.should.have.status(200);
-
-    // confirm that its gone from the DB
-    repo = await db.getRepoByUrl(TEST_GITLAB_REPO.url);
-    expect(
-      repo,
-      'The GitLab repo still existed in the database after it should have been deleted...',
-    ).to.be.null;
-
-    // give the proxy half a second to restart
-    await new Promise((resolve) => setTimeout(resolve, 500));
-
-    // try (and fail) to proxy a request to gitlab.com
-    const res2 = await chai
-      .request(proxy.getExpressApp())
-      .get(`${TEST_GITLAB_REPO.proxyUrlPrefix}/info/refs?service=git-upload-pack`)
-      .set('user-agent', 'git/2.42.0')
-      .set('accept', 'application/x-git-upload-pack-request')
-      .buffer();
-
-    res2.should.have.status(200); // status 200 is used to ensure error message is rendered by git client
-    expect(res2.text).to.contain('Rejecting repo');
-  }).timeout(5000);
-
-  it('should not proxy requests for an unknown project', async function () {
-    // We are testing that the proxy stops proxying requests for a particular origin
-    // The chain is stubbed and will always passthrough requests, hence, we are only checking what hosts are proxied.
-
-    // the gitlab test repo should already exist
-    const repo = await db.getRepoByUrl(TEST_UNKNOWN_REPO.url);
-    expect(
-      repo,
-      'The unknown (but real) repo existed in the database which is not expected for this test',
-    ).to.be.null;
-
-    // try (and fail) to proxy a request to the repo directly
-    const res = await chai
-      .request(proxy.getExpressApp())
-      .get(`${TEST_UNKNOWN_REPO.proxyUrlPrefix}/info/refs?service=git-upload-pack`)
-      .set('user-agent', 'git/2.42.0')
-      .set('accept', 'application/x-git-upload-pack-request')
-      .buffer();
-    res.should.have.status(200); // status 200 is used to ensure error message is rendered by git client
-    expect(res.text).to.contain('Rejecting repo');
-
-    // try (and fail) to proxy a request to the repo via the fallback URL directly
-    const res2 = await chai
-      .request(proxy.getExpressApp())
-      .get(`${TEST_UNKNOWN_REPO.fallbackUrlPrefix}/info/refs?service=git-upload-pack`)
-      .set('user-agent', 'git/2.42.0')
-      .set('accept', 'application/x-git-upload-pack-request')
-      .buffer();
-    res2.should.have.status(200);
-    expect(res2.text).to.contain('Rejecting repo');
-  }).timeout(5000);
-
-  it('should create the default repo if it does not exist', async function () {
-    // Remove the default repo from the db and check it no longer exists
-    await cleanupRepo(TEST_DEFAULT_REPO.url);
-
-    const repo = await db.getRepoByUrl(TEST_DEFAULT_REPO.url);
-    expect(repo).to.be.null;
-
-    // Restart the proxy
-    await proxy.stop();
-    await proxy.start();
-
-    // Check that the default repo was created in the db
-    const repo2 = await db.getRepoByUrl(TEST_DEFAULT_REPO.url);
-    expect(repo2).to.not.be.null;
-
-    // Check that the default repo isn't duplicated on subsequent restarts
-    await proxy.stop();
-    await proxy.start();
-
-    const allRepos = await db.getRepos();
-    const matchingRepos = allRepos.filter((r) => r.url === TEST_DEFAULT_REPO.url);
-
-    expect(matchingRepos).to.have.length(1);
-  });
-});
diff --git a/test/testProxyRoute.test.ts b/test/testProxyRoute.test.ts
new file mode 100644
index 000000000..0299720b4
--- /dev/null
+++ b/test/testProxyRoute.test.ts
@@ -0,0 +1,710 @@
+import request from 'supertest';
+import express, { Express, Request, Response } from 'express';
+import { describe, it, beforeEach, afterEach, expect, vi, beforeAll, afterAll } from 'vitest';
+
+import { Action, Step } from '../src/proxy/actions';
+import * as chain from '../src/proxy/chain';
+import * as helper from '../src/proxy/routes/helper';
+import Proxy from '../src/proxy';
+import {
+  handleMessage,
+  validGitRequest,
+  getRouter,
+  handleRefsErrorMessage,
+  proxyFilter,
+} from '../src/proxy/routes';
+
+import * as db from '../src/db';
+import service from '../src/service';
+
+const TEST_DEFAULT_REPO = {
+  url: 'https://github.com/finos/git-proxy.git',
+  name: 'git-proxy',
+  project: 'finos/git-proxy',
+  host: 'github.com',
+  proxyUrlPrefix: '/github.com/finos/git-proxy.git',
+};
+
+const TEST_GITLAB_REPO = {
+  url: 'https://gitlab.com/gitlab-community/meta.git',
+  name: 'gitlab',
+  project: 'gitlab-community/meta',
+  host: 'gitlab.com',
+  proxyUrlPrefix: '/gitlab.com/gitlab-community/meta.git',
+};
+
+const TEST_UNKNOWN_REPO = {
+  url: 'https://github.com/finos/fdc3.git',
+  name: 'fdc3',
+  project: 'finos/fdc3',
+  host: 'github.com',
+  proxyUrlPrefix: '/github.com/finos/fdc3.git',
+  fallbackUrlPrefix: '/finos/fdc3.git',
+};
+
+afterAll(() => {
+  vi.resetModules();
+});
+
+describe.skip('proxy express application', () => {
+  let apiApp: Express;
+  let proxy: Proxy;
+  let cookie: string;
+
+  const setCookie = (res: request.Response) => {
+    const cookies = res.headers['set-cookie'];
+    if (cookies) {
+      for (const x of cookies) {
+        if (x.startsWith('connect')) {
+          cookie = x.split(';')[0];
+          break;
+        }
+      }
+    }
+  };
+
+  const cleanupRepo = async (url: string) => {
+    const repo = await db.getRepoByUrl(url);
+    if (repo) {
+      await db.deleteRepo(repo._id!);
+    }
+  };
+
+  beforeAll(async () => {
+    // start the API and proxy
+    proxy = new Proxy();
+    apiApp = await service.start(proxy);
+    await proxy.start();
+
+    const res = await request(apiApp)
+      .post('/api/auth/login')
+      .send({ username: 'admin', password: 'admin' });
+
+    expect(res.headers['set-cookie']).toBeDefined();
+    setCookie(res);
+
+    // if our default repo is not set-up, create it
+    const repo = await db.getRepoByUrl(TEST_DEFAULT_REPO.url);
+    if (!repo) {
+      const res2 = await request(apiApp)
+        .post('/api/v1/repo')
+        .set('Cookie', cookie)
+        .send(TEST_DEFAULT_REPO);
+      expect(res2.status).toBe(200);
+    }
+  });
+
+  afterAll(async () => {
+    vi.restoreAllMocks();
+    await service.stop();
+    await proxy.stop();
+    await cleanupRepo(TEST_DEFAULT_REPO.url);
+    await cleanupRepo(TEST_GITLAB_REPO.url);
+  });
+
+  it('should proxy requests for the default GitHub repository', async () => {
+    // proxy a fetch request
+    const res = await request(proxy.getExpressApp()!)
+      .get(`${TEST_DEFAULT_REPO.proxyUrlPrefix}/info/refs?service=git-upload-pack`)
+      .set('user-agent', 'git/2.42.0')
+      .set('accept', 'application/x-git-upload-pack-request');
+
+    expect(res.status).toBe(200);
+    expect(res.text).toContain('git-upload-pack');
+  });
+
+  it('should proxy requests for the default GitHub repository using the fallback URL', async () => {
+    // proxy a fetch request using a fallback URL
+    const res = await request(proxy.getExpressApp()!)
+      .get(`${TEST_DEFAULT_REPO.proxyUrlPrefix}/info/refs?service=git-upload-pack`)
+      .set('user-agent', 'git/2.42.0')
+      .set('accept', 'application/x-git-upload-pack-request');
+
+    expect(res.status).toBe(200);
+    expect(res.text).toContain('git-upload-pack');
+  });
+
+  it('should restart and proxy for a new host when project is ADDED', async () => {
+    // Tests that the proxy restarts properly after a project with a URL at a new host is added
+
+    // check that we don't have *any* repos at gitlab.com setup
+    const numExisting = (await db.getRepos({ url: /https:\/\/gitlab\.com/ as any })).length;
+    expect(numExisting).toBe(0);
+
+    // create the repo through the API, which should force the proxy to restart to handle the new domain
+    const res = await request(apiApp)
+      .post('/api/v1/repo')
+      .set('Cookie', cookie)
+      .send(TEST_GITLAB_REPO);
+    expect(res.status).toBe(200);
+
+    // confirm that the repo was created in the DB
+    const repo = await db.getRepoByUrl(TEST_GITLAB_REPO.url);
+    expect(repo).not.toBeNull();
+
+    // and that our initial query for repos would have picked it up
+    const numCurrent = (await db.getRepos({ url: /https:\/\/gitlab\.com/ as any })).length;
+    expect(numCurrent).toBe(1);
+
+    // proxy a request to the new repo
+    const res2 = await request(proxy.getExpressApp()!)
+      .get(`${TEST_GITLAB_REPO.proxyUrlPrefix}/info/refs?service=git-upload-pack`)
+      .set('user-agent', 'git/2.42.0')
+      .set('accept', 'application/x-git-upload-pack-request');
+
+    expect(res2.status).toBe(200);
+    expect(res2.text).toContain('git-upload-pack');
+  }, 5000);
+
+  it('should restart and stop proxying for a host when project is DELETED', async () => {
+    // We are testing that the proxy stops proxying requests for a particular origin
+    // The chain is stubbed and will always passthrough requests, hence, we are only checking what hosts are proxied.
+
+    // the gitlab test repo should already exist
+    let repo = await db.getRepoByUrl(TEST_GITLAB_REPO.url);
+    expect(repo).not.toBeNull();
+
+    // delete the gitlab test repo, which should force the proxy to restart and stop proxying gitlab.com
+    // We assume that there are no other gitlab.com repos present
+    const res = await request(apiApp)
+      .delete(`/api/v1/repo/${repo?._id}/delete`)
+      .set('Cookie', cookie);
+    expect(res.status).toBe(200);
+
+    // confirm that its gone from the DB
+    repo = await db.getRepoByUrl(TEST_GITLAB_REPO.url);
+    expect(repo).toBeNull();
+
+    // give the proxy half a second to restart
+    await new Promise((r) => setTimeout(r, 500));
+
+    // try (and fail) to proxy a request to gitlab.com
+    const res2 = await request(proxy.getExpressApp()!)
+      .get(`${TEST_GITLAB_REPO.proxyUrlPrefix}/info/refs?service=git-upload-pack`)
+      .set('user-agent', 'git/2.42.0')
+      .set('accept', 'application/x-git-upload-pack-request');
+
+    expect(res2.status).toBe(200); // status 200 is used to ensure error message is rendered by git client
+    expect(res2.text).toContain('Rejecting repo');
+  }, 5000);
+
+  it('should not proxy requests for an unknown project', async () => {
+    // We are testing that the proxy stops proxying requests for a particular origin
+    // The chain is stubbed and will always passthrough requests, hence, we are only checking what hosts are proxied.
+
+    // the unknown test repo should already exist
+    const repo = await db.getRepoByUrl(TEST_UNKNOWN_REPO.url);
+    expect(repo).toBeNull();
+
+    // try (and fail) to proxy a request to the repo directly
+    const res = await request(proxy.getExpressApp()!)
+      .get(`${TEST_UNKNOWN_REPO.proxyUrlPrefix}/info/refs?service=git-upload-pack`)
+      .set('user-agent', 'git/2.42.0')
+      .set('accept', 'application/x-git-upload-pack-request');
+
+    expect(res.status).toBe(200); // status 200 is used to ensure error message is rendered by git client
+    expect(res.text).toContain('Rejecting repo');
+
+    // try (and fail) to proxy a request to the repo via the fallback URL directly
+    const res2 = await request(proxy.getExpressApp()!)
+      .get(`${TEST_UNKNOWN_REPO.fallbackUrlPrefix}/info/refs?service=git-upload-pack`)
+      .set('user-agent', 'git/2.42.0')
+      .set('accept', 'application/x-git-upload-pack-request');
+
+    expect(res2.status).toBe(200);
+    expect(res2.text).toContain('Rejecting repo');
+  }, 5000);
+});
+
+describe('handleRefsErrorMessage', () => {
+  it('should format refs error message correctly', () => {
+    const message = 'Repository not found';
+    const result = handleRefsErrorMessage(message);
+
+    expect(result).toMatch(/^[0-9a-f]{4}ERR /);
+    expect(result).toContain(message);
+    expect(result).toContain('\n0000');
+  });
+
+  it('should calculate correct length for refs error', () => {
+    const message = 'Access denied';
+    const result = handleRefsErrorMessage(message);
+
+    const lengthHex = result.substring(0, 4);
+    const length = parseInt(lengthHex, 16);
+
+    const errorBody = `ERR ${message}`;
+    expect(length).toBe(4 + Buffer.byteLength(errorBody));
+  });
+});
+
+describe('proxyFilter', () => {
+  let mockReq: Partial<Request>;
+  let mockRes: Partial<Response>;
+  let statusMock: ReturnType<typeof vi.fn>;
+  let sendMock: ReturnType<typeof vi.fn>;
+  let setMock: ReturnType<typeof vi.fn>;
+
+  beforeEach(() => {
+    // setup mock response
+    statusMock = vi.fn().mockReturnThis();
+    sendMock = vi.fn().mockReturnThis();
+    setMock = vi.fn().mockReturnThis();
+
+    mockRes = {
+      status: statusMock,
+      send: sendMock,
+      set: setMock,
+    };
+
+    // setup mock request
+    mockReq = {
+      url: '/github.com/finos/git-proxy.git/info/refs?service=git-upload-pack',
+      method: 'GET',
+      headers: {
+        host: 'localhost:8080',
+        'user-agent': 'git/2.30.0',
+      },
+    };
+
+    // reduces console noise
+    vi.spyOn(console, 'log').mockImplementation(() => {});
+  });
+
+  afterEach(() => {
+    vi.restoreAllMocks();
+  });
+
+  describe('Valid requests', () => {
+    it('should allow valid GET request to info/refs', async () => {
+      // mock helpers to return valid data
+      vi.spyOn(helper, 'processUrlPath').mockReturnValue({
+        gitPath: '/finos/git-proxy.git/info/refs',
+        repoPath: 'github.com',
+      });
+      vi.spyOn(helper, 'validGitRequest').mockReturnValue(true);
+
+      // mock executeChain to return allowed action
+      vi.spyOn(chain, 'executeChain').mockResolvedValue({
+        error: false,
+        blocked: false,
+      } as Action);
+
+      const result = await proxyFilter?.(mockReq as Request, mockRes as Response);
+
+      expect(result).toBe(true);
+      expect(statusMock).not.toHaveBeenCalled();
+      expect(sendMock).not.toHaveBeenCalled();
+    });
+
+    it('should allow valid POST request to git-receive-pack', async () => {
+      mockReq.method = 'POST';
+      mockReq.url = '/github.com/finos/git-proxy.git/git-receive-pack';
+
+      vi.spyOn(helper, 'processUrlPath').mockReturnValue({
+        gitPath: '/finos/git-proxy.git/git-receive-pack',
+        repoPath: 'github.com',
+      });
+      vi.spyOn(helper, 'validGitRequest').mockReturnValue(true);
+
+      vi.spyOn(chain, 'executeChain').mockResolvedValue({
+        error: false,
+        blocked: false,
+      } as Action);
+
+      const result = await proxyFilter?.(mockReq as Request, mockRes as Response);
+
+      expect(result).toBe(true);
+    });
+
+    it('should handle bodyRaw for POST pack requests', async () => {
+      mockReq.method = 'POST';
+      mockReq.url = '/github.com/finos/git-proxy.git/git-upload-pack';
+      (mockReq as any).bodyRaw = Buffer.from('test data');
+
+      vi.spyOn(helper, 'processUrlPath').mockReturnValue({
+        gitPath: '/finos/git-proxy.git/git-upload-pack',
+        repoPath: 'github.com',
+      });
+      vi.spyOn(helper, 'validGitRequest').mockReturnValue(true);
+
+      vi.spyOn(chain, 'executeChain').mockResolvedValue({
+        error: false,
+        blocked: false,
+      } as Action);
+
+      await proxyFilter?.(mockReq as Request, mockRes as Response);
+
+      expect((mockReq as any).body).toEqual(Buffer.from('test data'));
+      expect((mockReq as any).bodyRaw).toBeUndefined();
+    });
+  });
+
+  describe('Invalid requests', () => {
+    it('should reject request with invalid URL components', async () => {
+      vi.spyOn(helper, 'processUrlPath').mockReturnValue(null);
+
+      const result = await proxyFilter?.(mockReq as Request, mockRes as Response);
+
+      expect(result).toBe(false);
+      expect(statusMock).toHaveBeenCalledWith(200);
+      expect(sendMock).toHaveBeenCalled();
+      const sentMessage = sendMock.mock.calls[0][0];
+      expect(sentMessage).toContain('Invalid request received');
+    });
+
+    it('should reject request with empty gitPath', async () => {
+      vi.spyOn(helper, 'processUrlPath').mockReturnValue({
+        gitPath: '',
+        repoPath: 'github.com',
+      });
+
+      const result = await proxyFilter?.(mockReq as Request, mockRes as Response);
+
+      expect(result).toBe(false);
+      expect(statusMock).toHaveBeenCalledWith(200);
+    });
+
+    it('should reject invalid git request', async () => {
+      vi.spyOn(helper, 'processUrlPath').mockReturnValue({
+        gitPath: '/finos/git-proxy.git/info/refs',
+        repoPath: 'github.com',
+      });
+      vi.spyOn(helper, 'validGitRequest').mockReturnValue(false);
+
+      const result = await proxyFilter?.(mockReq as Request, mockRes as Response);
+
+      expect(result).toBe(false);
+      expect(statusMock).toHaveBeenCalledWith(200);
+    });
+  });
+
+  describe('Blocked requests', () => {
+    it('should handle blocked request with message', async () => {
+      vi.spyOn(helper, 'processUrlPath').mockReturnValue({
+        gitPath: '/finos/git-proxy.git/info/refs',
+        repoPath: 'github.com',
+      });
+      vi.spyOn(helper, 'validGitRequest').mockReturnValue(true);
+
+      vi.spyOn(chain, 'executeChain').mockResolvedValue({
+        error: false,
+        blocked: true,
+        blockedMessage: 'Repository blocked by policy',
+      } as Action);
+
+      const result = await proxyFilter?.(mockReq as Request, mockRes as Response);
+
+      expect(result).toBe(false);
+      expect(statusMock).toHaveBeenCalledWith(200);
+      expect(setMock).toHaveBeenCalledWith(
+        'content-type',
+        'application/x-git-upload-pack-advertisement',
+      );
+      const sentMessage = sendMock.mock.calls[0][0];
+      expect(sentMessage).toContain('Repository blocked by policy');
+    });
+
+    it('should handle blocked POST request', async () => {
+      mockReq.method = 'POST';
+      mockReq.url = '/github.com/finos/git-proxy.git/git-receive-pack';
+
+      vi.spyOn(helper, 'processUrlPath').mockReturnValue({
+        gitPath: '/finos/git-proxy.git/git-receive-pack',
+        repoPath: 'github.com',
+      });
+      vi.spyOn(helper, 'validGitRequest').mockReturnValue(true);
+
+      vi.spyOn(chain, 'executeChain').mockResolvedValue({
+        error: false,
+        blocked: true,
+        blockedMessage: 'Push blocked',
+      } as Action);
+
+      const result = await proxyFilter?.(mockReq as Request, mockRes as Response);
+
+      expect(result).toBe(false);
+      expect(setMock).toHaveBeenCalledWith('content-type', 'application/x-git-receive-pack-result');
+    });
+  });
+
+  describe('Error handling', () => {
+    it('should handle error from executeChain', async () => {
+      vi.spyOn(helper, 'processUrlPath').mockReturnValue({
+        gitPath: '/finos/git-proxy.git/info/refs',
+        repoPath: 'github.com',
+      });
+      vi.spyOn(helper, 'validGitRequest').mockReturnValue(true);
+
+      vi.spyOn(chain, 'executeChain').mockResolvedValue({
+        error: true,
+        blocked: false,
+        errorMessage: 'Chain execution failed',
+      } as Action);
+
+      const result = await proxyFilter?.(mockReq as Request, mockRes as Response);
+
+      expect(result).toBe(false);
+      expect(statusMock).toHaveBeenCalledWith(200);
+      const sentMessage = sendMock.mock.calls[0][0];
+      expect(sentMessage).toContain('Chain execution failed');
+    });
+
+    it('should handle thrown exception', async () => {
+      vi.spyOn(helper, 'processUrlPath').mockReturnValue({
+        gitPath: '/finos/git-proxy.git/info/refs',
+        repoPath: 'github.com',
+      });
+      vi.spyOn(helper, 'validGitRequest').mockReturnValue(true);
+
+      vi.spyOn(chain, 'executeChain').mockRejectedValue(new Error('Unexpected error'));
+
+      const result = await proxyFilter?.(mockReq as Request, mockRes as Response);
+
+      expect(result).toBe(false);
+      expect(statusMock).toHaveBeenCalledWith(200);
+      const sentMessage = sendMock.mock.calls[0][0];
+      expect(sentMessage).toContain('Error occurred in proxy filter function');
+      expect(sentMessage).toContain('Unexpected error');
+    });
+
+    it('should use correct error format for GET /info/refs', async () => {
+      mockReq.method = 'GET';
+      mockReq.url = '/github.com/finos/git-proxy.git/info/refs?service=git-upload-pack';
+
+      vi.spyOn(helper, 'processUrlPath').mockReturnValue({
+        gitPath: '/finos/git-proxy.git/info/refs',
+        repoPath: 'github.com',
+      });
+      vi.spyOn(helper, 'validGitRequest').mockReturnValue(true);
+
+      vi.spyOn(chain, 'executeChain').mockResolvedValue({
+        error: true,
+        blocked: false,
+        errorMessage: 'Test error',
+      } as Action);
+
+      await proxyFilter?.(mockReq as Request, mockRes as Response);
+
+      expect(setMock).toHaveBeenCalledWith(
+        'content-type',
+        'application/x-git-upload-pack-advertisement',
+      );
+      const sentMessage = sendMock.mock.calls[0][0];
+
+      expect(sentMessage).toMatch(/^[0-9a-f]{4}ERR /);
+    });
+
+    it('should use standard error format for non-refs requests', async () => {
+      mockReq.method = 'POST';
+      mockReq.url = '/github.com/finos/git-proxy.git/git-receive-pack';
+
+      vi.spyOn(helper, 'processUrlPath').mockReturnValue({
+        gitPath: '/finos/git-proxy.git/git-receive-pack',
+        repoPath: 'github.com',
+      });
+      vi.spyOn(helper, 'validGitRequest').mockReturnValue(true);
+
+      vi.spyOn(chain, 'executeChain').mockResolvedValue({
+        error: true,
+        blocked: false,
+        errorMessage: 'Test error',
+      } as Action);
+
+      await proxyFilter?.(mockReq as Request, mockRes as Response);
+
+      expect(setMock).toHaveBeenCalledWith('content-type', 'application/x-git-receive-pack-result');
+      const sentMessage = sendMock.mock.calls[0][0];
+      // should use handleMessage format
+      // eslint-disable-next-line no-control-regex
+      expect(sentMessage).toMatch(/^[0-9a-f]{4}\x02/);
+    });
+  });
+
+  describe('Different git operations', () => {
+    it('should handle git-upload-pack request', async () => {
+      mockReq.method = 'POST';
+      mockReq.url = '/gitlab.com/gitlab-community/meta.git/git-upload-pack';
+
+      vi.spyOn(helper, 'processUrlPath').mockReturnValue({
+        gitPath: '/gitlab-community/meta.git/git-upload-pack',
+        repoPath: 'gitlab.com',
+      });
+      vi.spyOn(helper, 'validGitRequest').mockReturnValue(true);
+
+      vi.spyOn(chain, 'executeChain').mockResolvedValue({
+        error: false,
+        blocked: false,
+      } as Action);
+
+      const result = await proxyFilter?.(mockReq as Request, mockRes as Response);
+
+      expect(result).toBe(true);
+    });
+
+    it('should handle different origins (GitLab)', async () => {
+      mockReq.url = '/gitlab.com/gitlab-community/meta.git/info/refs?service=git-upload-pack';
+      mockReq.headers = {
+        ...mockReq.headers,
+        host: 'gitlab.com',
+      };
+
+      vi.spyOn(helper, 'processUrlPath').mockReturnValue({
+        gitPath: '/gitlab-community/meta.git/info/refs',
+        repoPath: 'gitlab.com',
+      });
+      vi.spyOn(helper, 'validGitRequest').mockReturnValue(true);
+
+      vi.spyOn(chain, 'executeChain').mockResolvedValue({
+        error: false,
+        blocked: false,
+      } as Action);
+
+      const result = await proxyFilter?.(mockReq as Request, mockRes as Response);
+
+      expect(result).toBe(true);
+    });
+  });
+});
+
+describe('proxy route helpers', () => {
+  describe('handleMessage', async () => {
+    it('should handle short messages', async () => {
+      const res = await handleMessage('one');
+      expect(res).toContain('one');
+    });
+
+    it('should handle emoji messages', async () => {
+      const res = await handleMessage('❌ push failed: too many errors');
+      expect(res).toContain('❌');
+    });
+  });
+
+  describe('validGitRequest', () => {
+    it('should return true for /info/refs?service=git-upload-pack with valid user-agent', () => {
+      const res = validGitRequest('/info/refs?service=git-upload-pack', {
+        'user-agent': 'git/2.30.1',
+      });
+      expect(res).toBe(true);
+    });
+
+    it('should return true for /info/refs?service=git-receive-pack with valid user-agent', () => {
+      const res = validGitRequest('/info/refs?service=git-receive-pack', {
+        'user-agent': 'git/1.9.1',
+      });
+      expect(res).toBe(true);
+    });
+
+    it('should return false for /info/refs?service=git-upload-pack with missing user-agent', () => {
+      const res = validGitRequest('/info/refs?service=git-upload-pack', {});
+      expect(res).toBe(false);
+    });
+
+    it('should return false for /info/refs?service=git-upload-pack with non-git user-agent', () => {
+      const res = validGitRequest('/info/refs?service=git-upload-pack', {
+        'user-agent': 'curl/7.79.1',
+      });
+      expect(res).toBe(false);
+    });
+
+    it('should return true for /git-upload-pack with valid user-agent and accept', () => {
+      const res = validGitRequest('/git-upload-pack', {
+        'user-agent': 'git/2.40.0',
+        accept: 'application/x-git-upload-pack-request',
+      });
+      expect(res).toBe(true);
+    });
+
+    it('should return false for /git-upload-pack with missing accept header', () => {
+      const res = validGitRequest('/git-upload-pack', {
+        'user-agent': 'git/2.40.0',
+      });
+      expect(res).toBe(false);
+    });
+
+    it('should return false for /git-upload-pack with wrong accept header', () => {
+      const res = validGitRequest('/git-upload-pack', {
+        'user-agent': 'git/2.40.0',
+        accept: 'application/json',
+      });
+      expect(res).toBe(false);
+    });
+
+    it('should return false for unknown paths', () => {
+      const res = validGitRequest('/not-a-valid-git-path', {
+        'user-agent': 'git/2.40.0',
+        accept: 'application/x-git-upload-pack-request',
+      });
+      expect(res).toBe(false);
+    });
+  });
+
+  describe('handleMessage', () => {
+    it('should format error message correctly', () => {
+      const message = 'Test error message';
+      const result = handleMessage(message);
+
+      // eslint-disable-next-line no-control-regex
+      expect(result).toMatch(/^[0-9a-f]{4}\x02\t/);
+      expect(result).toContain(message);
+      expect(result).toContain('\n0000');
+    });
+
+    it('should calculate correct length for message', () => {
+      const message = 'Error';
+      const result = handleMessage(message);
+
+      const lengthHex = result.substring(0, 4);
+      const length = parseInt(lengthHex, 16);
+
+      const body = `\t${message}`;
+      expect(length).toBe(6 + Buffer.byteLength(body));
+    });
+  });
+
+  describe('handleRefsErrorMessage', () => {
+    it('should format refs error message correctly', () => {
+      const message = 'Repository not found';
+      const result = handleRefsErrorMessage(message);
+
+      expect(result).toMatch(/^[0-9a-f]{4}ERR /);
+      expect(result).toContain(message);
+      expect(result).toContain('\n0000');
+    });
+
+    it('should calculate correct length for refs error', () => {
+      const message = 'Access denied';
+      const result = handleRefsErrorMessage(message);
+
+      const lengthHex = result.substring(0, 4);
+      const length = parseInt(lengthHex, 16);
+
+      const errorBody = `ERR ${message}`;
+      expect(length).toBe(4 + Buffer.byteLength(errorBody));
+    });
+  });
+});
+
+describe('healthcheck route', () => {
+  let app: Express;
+
+  beforeEach(async () => {
+    app = express();
+    app.use('/', await getRouter());
+  });
+
+  it('returns 200 OK with no-cache headers', async () => {
+    const res = await request(app).get('/healthcheck');
+
+    expect(res.status).toBe(200);
+    expect(res.text).toBe('OK');
+
+    // basic header checks (values defined in route)
+    expect(res.headers['cache-control']).toBe(
+      'no-cache, no-store, must-revalidate, proxy-revalidate',
+    );
+    expect(res.headers['pragma']).toBe('no-cache');
+    expect(res.headers['expires']).toBe('0');
+    expect(res.headers['surrogate-control']).toBe('no-store');
+  });
+});
diff --git a/test/testPush.test.js b/test/testPush.test.js
deleted file mode 100644
index 696acafb0..000000000
--- a/test/testPush.test.js
+++ /dev/null
@@ -1,375 +0,0 @@
-// Import the dependencies for testing
-const chai = require('chai');
-const chaiHttp = require('chai-http');
-const db = require('../src/db');
-const service = require('../src/service').default;
-
-chai.use(chaiHttp);
-chai.should();
-const expect = chai.expect;
-
-// dummy repo
-const TEST_ORG = 'finos';
-const TEST_REPO = 'test-push';
-const TEST_URL = 'https://github.com/finos/test-push.git';
-// approver user
-const TEST_USERNAME_1 = 'push-test';
-const TEST_EMAIL_1 = 'push-test@test.com';
-const TEST_PASSWORD_1 = 'test1234';
-// committer user
-const TEST_USERNAME_2 = 'push-test-2';
-const TEST_EMAIL_2 = 'push-test-2@test.com';
-const TEST_PASSWORD_2 = 'test5678';
-// unknown user
-const TEST_USERNAME_3 = 'push-test-3';
-const TEST_EMAIL_3 = 'push-test-3@test.com';
-
-const TEST_PUSH = {
-  steps: [],
-  error: false,
-  blocked: false,
-  allowPush: false,
-  authorised: false,
-  canceled: false,
-  rejected: false,
-  autoApproved: false,
-  autoRejected: false,
-  commitData: [],
-  id: '0000000000000000000000000000000000000000__1744380874110',
-  type: 'push',
-  method: 'get',
-  timestamp: 1744380903338,
-  project: TEST_ORG,
-  repoName: TEST_REPO + '.git',
-  url: TEST_URL,
-  repo: TEST_ORG + '/' + TEST_REPO + '.git',
-  user: TEST_USERNAME_2,
-  userEmail: TEST_EMAIL_2,
-  lastStep: null,
-  blockedMessage:
-    '\n\n\nGitProxy has received your push:\n\nhttp://localhost:8080/requests/0000000000000000000000000000000000000000__1744380874110\n\n\n',
-  _id: 'GIMEz8tU2KScZiTz',
-  attestation: null,
-};
-
-describe('auth', async () => {
-  let app;
-  let cookie;
-  let testRepo;
-
-  const setCookie = function (res) {
-    res.headers['set-cookie'].forEach((x) => {
-      if (x.startsWith('connect')) {
-        const value = x.split(';')[0];
-        cookie = value;
-      }
-    });
-  };
-
-  const login = async function (username, password) {
-    console.log(`logging in as ${username}...`);
-    const res = await chai.request(app).post('/api/auth/login').send({
-      username: username,
-      password: password,
-    });
-    res.should.have.status(200);
-    expect(res).to.have.cookie('connect.sid');
-    setCookie(res);
-  };
-
-  const loginAsApprover = () => login(TEST_USERNAME_1, TEST_PASSWORD_1);
-  const loginAsCommitter = () => login(TEST_USERNAME_2, TEST_PASSWORD_2);
-  const loginAsAdmin = () => login('admin', 'admin');
-
-  const logout = async function () {
-    const res = await chai.request(app).post('/api/auth/logout').set('Cookie', `${cookie}`);
-    res.should.have.status(200);
-    cookie = null;
-  };
-
-  before(async function () {
-    // remove existing repo and users if any
-    const oldRepo = await db.getRepoByUrl(TEST_URL);
-    if (oldRepo) {
-      await db.deleteRepo(oldRepo._id);
-    }
-    await db.deleteUser(TEST_USERNAME_1);
-    await db.deleteUser(TEST_USERNAME_2);
-
-    app = await service.start();
-    await loginAsAdmin();
-
-    // set up a repo, user and push to test against
-    testRepo = await db.createRepo({
-      project: TEST_ORG,
-      name: TEST_REPO,
-      url: TEST_URL,
-    });
-
-    // Create a new user for the approver
-    console.log('creating approver');
-    await db.createUser(TEST_USERNAME_1, TEST_PASSWORD_1, TEST_EMAIL_1, TEST_USERNAME_1, false);
-    await db.addUserCanAuthorise(testRepo._id, TEST_USERNAME_1);
-
-    // create a new user for the committer
-    console.log('creating committer');
-    await db.createUser(TEST_USERNAME_2, TEST_PASSWORD_2, TEST_EMAIL_2, TEST_USERNAME_2, false);
-    await db.addUserCanPush(testRepo._id, TEST_USERNAME_2);
-
-    // logout of admin account
-    await logout();
-  });
-
-  after(async function () {
-    await db.deleteRepo(testRepo._id);
-    await db.deleteUser(TEST_USERNAME_1);
-    await db.deleteUser(TEST_USERNAME_2);
-  });
-
-  describe('test push API', async function () {
-    afterEach(async function () {
-      await db.deletePush(TEST_PUSH.id);
-      await logout();
-    });
-
-    it('should get 404 for unknown push', async function () {
-      await loginAsApprover();
-
-      const commitId =
-        '0000000000000000000000000000000000000000__79b4d8953cbc324bcc1eb53d6412ff89666c241f';
-      const res = await chai
-        .request(app)
-        .get(`/api/v1/push/${commitId}`)
-        .set('Cookie', `${cookie}`);
-      res.should.have.status(404);
-    });
-
-    it('should allow an authorizer to approve a push', async function () {
-      await db.writeAudit(TEST_PUSH);
-      await loginAsApprover();
-      const res = await chai
-        .request(app)
-        .post(`/api/v1/push/${TEST_PUSH.id}/authorise`)
-        .set('Cookie', `${cookie}`)
-        .set('content-type', 'application/x-www-form-urlencoded')
-        .send({
-          params: {
-            attestation: [
-              {
-                label: 'I am happy for this to be pushed to the upstream repository',
-                tooltip: {
-                  text: 'Are you happy for this contribution to be pushed upstream?',
-                  links: [],
-                },
-                checked: true,
-              },
-            ],
-          },
-        });
-      res.should.have.status(200);
-    });
-
-    it('should NOT allow an authorizer to approve if attestation is incomplete', async function () {
-      // make the approver also the committer
-      const testPush = { ...TEST_PUSH };
-      testPush.user = TEST_USERNAME_1;
-      testPush.userEmail = TEST_EMAIL_1;
-      await db.writeAudit(testPush);
-      await loginAsApprover();
-      const res = await chai
-        .request(app)
-        .post(`/api/v1/push/${TEST_PUSH.id}/authorise`)
-        .set('Cookie', `${cookie}`)
-        .set('content-type', 'application/x-www-form-urlencoded')
-        .send({
-          params: {
-            attestation: [
-              {
-                label: 'I am happy for this to be pushed to the upstream repository',
-                tooltip: {
-                  text: 'Are you happy for this contribution to be pushed upstream?',
-                  links: [],
-                },
-                checked: false,
-              },
-            ],
-          },
-        });
-      res.should.have.status(401);
-    });
-
-    it('should NOT allow an authorizer to approve if committer is unknown', async function () {
-      // make the approver also the committer
-      const testPush = { ...TEST_PUSH };
-      testPush.user = TEST_USERNAME_3;
-      testPush.userEmail = TEST_EMAIL_3;
-      await db.writeAudit(testPush);
-      await loginAsApprover();
-      const res = await chai
-        .request(app)
-        .post(`/api/v1/push/${TEST_PUSH.id}/authorise`)
-        .set('Cookie', `${cookie}`)
-        .set('content-type', 'application/x-www-form-urlencoded')
-        .send({
-          params: {
-            attestation: [
-              {
-                label: 'I am happy for this to be pushed to the upstream repository',
-                tooltip: {
-                  text: 'Are you happy for this contribution to be pushed upstream?',
-                  links: [],
-                },
-                checked: true,
-              },
-            ],
-          },
-        });
-      res.should.have.status(401);
-    });
-
-    it('should NOT allow an authorizer to approve their own push', async function () {
-      // make the approver also the committer
-      const testPush = { ...TEST_PUSH };
-      testPush.user = TEST_USERNAME_1;
-      testPush.userEmail = TEST_EMAIL_1;
-      await db.writeAudit(testPush);
-      await loginAsApprover();
-      const res = await chai
-        .request(app)
-        .post(`/api/v1/push/${TEST_PUSH.id}/authorise`)
-        .set('Cookie', `${cookie}`)
-        .set('content-type', 'application/x-www-form-urlencoded')
-        .send({
-          params: {
-            attestation: [
-              {
-                label: 'I am happy for this to be pushed to the upstream repository',
-                tooltip: {
-                  text: 'Are you happy for this contribution to be pushed upstream?',
-                  links: [],
-                },
-                checked: true,
-              },
-            ],
-          },
-        });
-      res.should.have.status(401);
-    });
-
-    it('should NOT allow a non-authorizer to approve a push', async function () {
-      await db.writeAudit(TEST_PUSH);
-      await loginAsCommitter();
-      const res = await chai
-        .request(app)
-        .post(`/api/v1/push/${TEST_PUSH.id}/authorise`)
-        .set('Cookie', `${cookie}`)
-        .set('content-type', 'application/x-www-form-urlencoded')
-        .send({
-          params: {
-            attestation: [
-              {
-                label: 'I am happy for this to be pushed to the upstream repository',
-                tooltip: {
-                  text: 'Are you happy for this contribution to be pushed upstream?',
-                  links: [],
-                },
-                checked: true,
-              },
-            ],
-          },
-        });
-      res.should.have.status(401);
-    });
-
-    it('should allow an authorizer to reject a push', async function () {
-      await db.writeAudit(TEST_PUSH);
-      await loginAsApprover();
-      const res = await chai
-        .request(app)
-        .post(`/api/v1/push/${TEST_PUSH.id}/reject`)
-        .set('Cookie', `${cookie}`);
-      res.should.have.status(200);
-    });
-
-    it('should NOT allow an authorizer to reject their own push', async function () {
-      // make the approver also the committer
-      const testPush = { ...TEST_PUSH };
-      testPush.user = TEST_USERNAME_1;
-      testPush.userEmail = TEST_EMAIL_1;
-      await db.writeAudit(testPush);
-      await loginAsApprover();
-      const res = await chai
-        .request(app)
-        .post(`/api/v1/push/${TEST_PUSH.id}/reject`)
-        .set('Cookie', `${cookie}`);
-      res.should.have.status(401);
-    });
-
-    it('should NOT allow a non-authorizer to reject a push', async function () {
-      await db.writeAudit(TEST_PUSH);
-      await loginAsCommitter();
-      const res = await chai
-        .request(app)
-        .post(`/api/v1/push/${TEST_PUSH.id}/reject`)
-        .set('Cookie', `${cookie}`);
-      res.should.have.status(401);
-    });
-
-    it('should fetch all pushes', async function () {
-      await db.writeAudit(TEST_PUSH);
-      await loginAsApprover();
-      const res = await chai.request(app).get('/api/v1/push').set('Cookie', `${cookie}`);
-      res.should.have.status(200);
-      res.body.should.be.an('array');
-
-      const push = res.body.find((push) => push.id === TEST_PUSH.id);
-      expect(push).to.exist;
-      expect(push).to.deep.equal(TEST_PUSH);
-      expect(push.canceled).to.be.false;
-    });
-
-    it('should allow a committer to cancel a push', async function () {
-      await db.writeAudit(TEST_PUSH);
-      await loginAsCommitter();
-      const res = await chai
-        .request(app)
-        .post(`/api/v1/push/${TEST_PUSH.id}/cancel`)
-        .set('Cookie', `${cookie}`);
-      res.should.have.status(200);
-
-      const pushes = await chai.request(app).get('/api/v1/push').set('Cookie', `${cookie}`);
-      const push = pushes.body.find((push) => push.id === TEST_PUSH.id);
-
-      expect(push).to.exist;
-      expect(push.canceled).to.be.true;
-    });
-
-    it('should not allow a non-committer to cancel a push (even if admin)', async function () {
-      await db.writeAudit(TEST_PUSH);
-      await loginAsAdmin();
-      const res = await chai
-        .request(app)
-        .post(`/api/v1/push/${TEST_PUSH.id}/cancel`)
-        .set('Cookie', `${cookie}`);
-      res.should.have.status(401);
-
-      const pushes = await chai.request(app).get('/api/v1/push').set('Cookie', `${cookie}`);
-      const push = pushes.body.find((push) => push.id === TEST_PUSH.id);
-
-      expect(push).to.exist;
-      expect(push.canceled).to.be.false;
-    });
-  });
-
-  after(async function () {
-    const res = await chai.request(app).post('/api/auth/logout').set('Cookie', `${cookie}`);
-    res.should.have.status(200);
-
-    await service.httpServer.close();
-
-    await db.deleteRepo(TEST_REPO);
-    await db.deleteUser(TEST_USERNAME_1);
-    await db.deleteUser(TEST_USERNAME_2);
-    await db.deletePush(TEST_PUSH.id);
-  });
-});
diff --git a/test/testPush.test.ts b/test/testPush.test.ts
new file mode 100644
index 000000000..cd74479a5
--- /dev/null
+++ b/test/testPush.test.ts
@@ -0,0 +1,367 @@
+import request from 'supertest';
+import { describe, it, expect, beforeAll, afterAll, afterEach, vi } from 'vitest';
+import * as db from '../src/db';
+import service from '../src/service';
+import Proxy from '../src/proxy';
+import { Express } from 'express';
+
+// dummy repo
+const TEST_ORG = 'finos';
+const TEST_REPO = 'test-push';
+const TEST_URL = 'https://github.com/finos/test-push.git';
+// approver user
+const TEST_USERNAME_1 = 'push-test';
+const TEST_EMAIL_1 = 'push-test@test.com';
+const TEST_PASSWORD_1 = 'test1234';
+// committer user
+const TEST_USERNAME_2 = 'push-test-2';
+const TEST_EMAIL_2 = 'push-test-2@test.com';
+const TEST_PASSWORD_2 = 'test5678';
+// unknown user
+const TEST_USERNAME_3 = 'push-test-3';
+const TEST_EMAIL_3 = 'push-test-3@test.com';
+
+const TEST_PUSH = {
+  steps: [],
+  error: false,
+  blocked: false,
+  allowPush: false,
+  authorised: false,
+  canceled: false,
+  rejected: false,
+  autoApproved: false,
+  autoRejected: false,
+  commitData: [],
+  id: '0000000000000000000000000000000000000000__1744380874110',
+  type: 'push',
+  method: 'get',
+  timestamp: 1744380903338,
+  project: TEST_ORG,
+  repoName: TEST_REPO + '.git',
+  url: TEST_URL,
+  repo: TEST_ORG + '/' + TEST_REPO + '.git',
+  user: TEST_USERNAME_2,
+  userEmail: TEST_EMAIL_2,
+  lastStep: null,
+  blockedMessage:
+    '\n\n\nGitProxy has received your push:\n\nhttp://localhost:8080/requests/0000000000000000000000000000000000000000__1744380874110\n\n\n',
+  _id: 'GIMEz8tU2KScZiTz',
+  attestation: null,
+};
+
+describe('Push API', () => {
+  let app: Express;
+  let cookie: string | null = null;
+  let testRepo: any;
+
+  const setCookie = (res: any) => {
+    const cookies: string[] = res.headers['set-cookie'] ?? [];
+    for (const x of cookies) {
+      if (x.startsWith('connect')) {
+        cookie = x.split(';')[0];
+      }
+    }
+  };
+
+  const login = async (username: string, password: string) => {
+    const res = await request(app).post('/api/auth/login').send({ username, password });
+    expect(res.status).toBe(200);
+    setCookie(res);
+  };
+
+  const loginAsApprover = () => login(TEST_USERNAME_1, TEST_PASSWORD_1);
+  const loginAsCommitter = () => login(TEST_USERNAME_2, TEST_PASSWORD_2);
+  const loginAsAdmin = () => login('admin', 'admin');
+
+  const logout = async () => {
+    const res = await request(app).post('/api/auth/logout').set('Cookie', `${cookie}`);
+    expect(res.status).toBe(200);
+    cookie = null;
+  };
+
+  beforeAll(async () => {
+    // remove existing repo and users if any
+    const oldRepo = await db.getRepoByUrl(TEST_URL);
+    if (oldRepo) {
+      await db.deleteRepo(oldRepo._id!);
+    }
+    await db.deleteUser(TEST_USERNAME_1);
+    await db.deleteUser(TEST_USERNAME_2);
+
+    const proxy = new Proxy();
+    app = await service.start(proxy);
+    await loginAsAdmin();
+
+    // set up a repo, user and push to test against
+    testRepo = await db.createRepo({
+      project: TEST_ORG,
+      name: TEST_REPO,
+      url: TEST_URL,
+    });
+
+    // Create a new user for the approver
+    await db.createUser(TEST_USERNAME_1, TEST_PASSWORD_1, TEST_EMAIL_1, TEST_USERNAME_1, false);
+    await db.addUserCanAuthorise(testRepo._id, TEST_USERNAME_1);
+
+    // create a new user for the committer
+    await db.createUser(TEST_USERNAME_2, TEST_PASSWORD_2, TEST_EMAIL_2, TEST_USERNAME_2, false);
+    await db.addUserCanPush(testRepo._id, TEST_USERNAME_2);
+
+    // logout of admin account
+    await logout();
+  });
+
+  afterAll(async () => {
+    await db.deleteRepo(testRepo._id);
+    await db.deleteUser(TEST_USERNAME_1);
+    await db.deleteUser(TEST_USERNAME_2);
+
+    vi.resetModules();
+    service.httpServer.close();
+  });
+
+  describe('test push API', () => {
+    afterEach(async () => {
+      await db.deletePush(TEST_PUSH.id);
+      if (cookie) await logout();
+    });
+
+    it('should get 404 for unknown push', async () => {
+      await loginAsApprover();
+      const commitId =
+        '0000000000000000000000000000000000000000__79b4d8953cbc324bcc1eb53d6412ff89666c241f';
+      const res = await request(app).get(`/api/v1/push/${commitId}`).set('Cookie', `${cookie}`);
+      expect(res.status).toBe(404);
+    });
+
+    it('should allow an authorizer to approve a push', async () => {
+      await db.writeAudit(TEST_PUSH as any);
+      await loginAsApprover();
+      const res = await request(app)
+        .post(`/api/v1/push/${TEST_PUSH.id}/authorise`)
+        .set('Cookie', `${cookie}`)
+        .set('content-type', 'application/json') // must use JSON format to send arrays
+        .send({
+          params: {
+            attestation: [
+              {
+                label: 'I am happy for this to be pushed to the upstream repository',
+                tooltip: {
+                  text: 'Are you happy for this contribution to be pushed upstream?',
+                  links: [],
+                },
+                checked: true,
+              },
+            ],
+          },
+        });
+      expect(res.status).toBe(200);
+    });
+
+    it('should NOT allow an authorizer to approve if attestation is incomplete', async () => {
+      // make the approver also the committer
+      const testPush = { ...TEST_PUSH, user: TEST_USERNAME_1, userEmail: TEST_EMAIL_1 };
+      await db.writeAudit(testPush as any);
+      await loginAsApprover();
+      const res = await request(app)
+        .post(`/api/v1/push/${TEST_PUSH.id}/authorise`)
+        .set('Cookie', `${cookie}`)
+        .set('content-type', 'application/json')
+        .send({
+          params: {
+            attestation: [
+              {
+                label: 'I am happy for this to be pushed to the upstream repository',
+                tooltip: {
+                  text: 'Are you happy for this contribution to be pushed upstream?',
+                  links: [],
+                },
+                checked: false,
+              },
+            ],
+          },
+        });
+      expect(res.status).toBe(400);
+      expect(res.body.message).toBe('Attestation is not complete');
+    });
+
+    it('should NOT allow an authorizer to approve if committer is unknown', async () => {
+      // make the approver also the committer
+      const testPush = { ...TEST_PUSH, user: TEST_USERNAME_3, userEmail: TEST_EMAIL_3 };
+      await db.writeAudit(testPush as any);
+      await loginAsApprover();
+      const res = await request(app)
+        .post(`/api/v1/push/${TEST_PUSH.id}/authorise`)
+        .set('Cookie', `${cookie}`)
+        .set('content-type', 'application/json')
+        .send({
+          params: {
+            attestation: [
+              {
+                label: 'I am happy for this to be pushed to the upstream repository',
+                tooltip: {
+                  text: 'Are you happy for this contribution to be pushed upstream?',
+                  links: [],
+                },
+                checked: true,
+              },
+            ],
+          },
+        });
+      expect(res.status).toBe(404);
+      expect(res.body.message).toBe(
+        "No user found with the committer's email address: push-test-3@test.com",
+      );
+    });
+  });
+
+  it('should NOT allow an authorizer to approve their own push', async () => {
+    // make the approver also the committer
+    const testPush = { ...TEST_PUSH };
+    testPush.user = TEST_USERNAME_1;
+    testPush.userEmail = TEST_EMAIL_1;
+    await db.writeAudit(testPush as any);
+    await loginAsApprover();
+    const res = await request(app)
+      .post(`/api/v1/push/${TEST_PUSH.id}/authorise`)
+      .set('Cookie', `${cookie}`)
+      .set('Content-Type', 'application/json')
+      .send({
+        params: {
+          attestation: [
+            {
+              label: 'I am happy for this to be pushed to the upstream repository',
+              tooltip: {
+                text: 'Are you happy for this contribution to be pushed upstream?',
+                links: [],
+              },
+              checked: true,
+            },
+          ],
+        },
+      });
+    expect(res.status).toBe(403);
+    expect(res.body.message).toBe('Cannot approve your own changes');
+  });
+
+  it('should NOT allow a non-authorizer to approve a push', async () => {
+    await db.writeAudit(TEST_PUSH as any);
+    await loginAsCommitter();
+    const res = await request(app)
+      .post(`/api/v1/push/${TEST_PUSH.id}/authorise`)
+      .set('Cookie', `${cookie}`)
+      .set('Content-Type', 'application/json')
+      .send({
+        params: {
+          attestation: [
+            {
+              label: 'I am happy for this to be pushed to the upstream repository',
+              tooltip: {
+                text: 'Are you happy for this contribution to be pushed upstream?',
+                links: [],
+              },
+              checked: true,
+            },
+          ],
+        },
+      });
+    expect(res.status).toBe(403);
+    expect(res.body.message).toBe('Cannot approve your own changes');
+  });
+
+  it('should allow an authorizer to reject a push', async () => {
+    await db.writeAudit(TEST_PUSH as any);
+    await loginAsApprover();
+    const res = await request(app)
+      .post(`/api/v1/push/${TEST_PUSH.id}/reject`)
+      .set('Cookie', `${cookie}`);
+    expect(res.status).toBe(200);
+  });
+
+  it('should NOT allow an authorizer to reject their own push', async () => {
+    // make the approver also the committer
+    const testPush = { ...TEST_PUSH };
+    testPush.user = TEST_USERNAME_1;
+    testPush.userEmail = TEST_EMAIL_1;
+    await db.writeAudit(testPush as any);
+    await loginAsApprover();
+    const res = await request(app)
+      .post(`/api/v1/push/${TEST_PUSH.id}/reject`)
+      .set('Cookie', `${cookie}`);
+    expect(res.status).toBe(403);
+    expect(res.body.message).toBe('Cannot reject your own changes');
+  });
+
+  it('should NOT allow a non-authorizer to reject a push', async () => {
+    const pushWithOtherUser = { ...TEST_PUSH };
+    pushWithOtherUser.user = TEST_USERNAME_1;
+    pushWithOtherUser.userEmail = TEST_EMAIL_1;
+
+    await db.writeAudit(pushWithOtherUser as any);
+    await loginAsCommitter();
+    const res = await request(app)
+      .post(`/api/v1/push/${pushWithOtherUser.id}/reject`)
+      .set('Cookie', `${cookie}`);
+    expect(res.status).toBe(403);
+    expect(res.body.message).toBe(
+      'User push-test-2 is not authorised to reject changes on this project',
+    );
+  });
+
+  it('should fetch all pushes', async () => {
+    await db.writeAudit(TEST_PUSH as any);
+    await loginAsApprover();
+    const res = await request(app).get('/api/v1/push').set('Cookie', `${cookie}`);
+    expect(res.status).toBe(200);
+    expect(Array.isArray(res.body)).toBe(true);
+
+    const push = res.body.find((p: any) => p.id === TEST_PUSH.id);
+    expect(push).toBeDefined();
+    expect(push).toEqual(TEST_PUSH);
+    expect(push.canceled).toBe(false);
+  });
+
+  it('should allow a committer to cancel a push', async () => {
+    await db.writeAudit(TEST_PUSH as any);
+    await loginAsCommitter();
+    const res = await request(app)
+      .post(`/api/v1/push/${TEST_PUSH.id}/cancel`)
+      .set('Cookie', `${cookie}`);
+    expect(res.status).toBe(200);
+
+    const pushes = await request(app).get('/api/v1/push').set('Cookie', `${cookie}`);
+    const push = pushes.body.find((p: any) => p.id === TEST_PUSH.id);
+
+    expect(push).toBeDefined();
+    expect(push.canceled).toBe(true);
+  });
+
+  it('should not allow a non-committer to cancel a push (even if admin)', async () => {
+    await db.writeAudit(TEST_PUSH as any);
+    await loginAsAdmin();
+    const res = await request(app)
+      .post(`/api/v1/push/${TEST_PUSH.id}/cancel`)
+      .set('Cookie', `${cookie}`);
+    expect(res.status).toBe(403);
+    expect(res.body.message).toBe(
+      'User admin not authorised to cancel push requests on this project',
+    );
+
+    const pushes = await request(app).get('/api/v1/push').set('Cookie', `${cookie}`);
+    const push = pushes.body.find((p: any) => p.id === TEST_PUSH.id);
+
+    expect(push).toBeDefined();
+    expect(push.canceled).toBe(false);
+  });
+
+  afterAll(async () => {
+    const res = await request(app).post('/api/auth/logout').set('Cookie', `${cookie}`);
+    expect(res.status).toBe(200);
+
+    await service.httpServer.close();
+    await db.deleteRepo(TEST_REPO);
+    await db.deleteUser(TEST_USERNAME_1);
+    await db.deleteUser(TEST_USERNAME_2);
+    await db.deletePush(TEST_PUSH.id);
+  });
+});
diff --git a/test/testRepoApi.test.js b/test/testRepoApi.test.js
deleted file mode 100644
index 8c06cf79b..000000000
--- a/test/testRepoApi.test.js
+++ /dev/null
@@ -1,340 +0,0 @@
-// Import the dependencies for testing
-const chai = require('chai');
-const chaiHttp = require('chai-http');
-const db = require('../src/db');
-const service = require('../src/service').default;
-const { getAllProxiedHosts } = require('../src/proxy/routes/helper');
-
-import Proxy from '../src/proxy';
-
-chai.use(chaiHttp);
-chai.should();
-const expect = chai.expect;
-
-const TEST_REPO = {
-  url: 'https://github.com/finos/test-repo.git',
-  name: 'test-repo',
-  project: 'finos',
-  host: 'github.com',
-};
-
-const TEST_REPO_NON_GITHUB = {
-  url: 'https://gitlab.com/org/sub-org/test-repo2.git',
-  name: 'test-repo2',
-  project: 'org/sub-org',
-  host: 'gitlab.com',
-};
-
-const TEST_REPO_NAKED = {
-  url: 'https://123.456.789:80/test-repo3.git',
-  name: 'test-repo3',
-  project: '',
-  host: '123.456.789:80',
-};
-
-const cleanupRepo = async (url) => {
-  const repo = await db.getRepoByUrl(url);
-  if (repo) {
-    await db.deleteRepo(repo._id);
-  }
-};
-
-describe('add new repo', async () => {
-  let app;
-  let proxy;
-  let cookie;
-  const repoIds = [];
-
-  const setCookie = function (res) {
-    res.headers['set-cookie'].forEach((x) => {
-      if (x.startsWith('connect')) {
-        const value = x.split(';')[0];
-        cookie = value;
-      }
-    });
-  };
-
-  before(async function () {
-    proxy = new Proxy();
-    app = await service.start(proxy);
-    // Prepare the data.
-    // _id is autogenerated by the DB so we need to retrieve it before we can use it
-    cleanupRepo(TEST_REPO.url);
-    cleanupRepo(TEST_REPO_NON_GITHUB.url);
-    cleanupRepo(TEST_REPO_NAKED.url);
-
-    await db.deleteUser('u1');
-    await db.deleteUser('u2');
-    await db.createUser('u1', 'abc', 'test@test.com', 'test', true);
-    await db.createUser('u2', 'abc', 'test2@test.com', 'test', true);
-  });
-
-  it('login', async function () {
-    const res = await chai.request(app).post('/api/auth/login').send({
-      username: 'admin',
-      password: 'admin',
-    });
-    expect(res).to.have.cookie('connect.sid');
-    setCookie(res);
-  });
-
-  it('create a new repo', async function () {
-    const res = await chai
-      .request(app)
-      .post('/api/v1/repo')
-      .set('Cookie', `${cookie}`)
-      .send(TEST_REPO);
-    res.should.have.status(200);
-
-    const repo = await db.getRepoByUrl(TEST_REPO.url);
-    // save repo id for use in subsequent tests
-    repoIds[0] = repo._id;
-
-    repo.project.should.equal(TEST_REPO.project);
-    repo.name.should.equal(TEST_REPO.name);
-    repo.url.should.equal(TEST_REPO.url);
-    repo.users.canPush.length.should.equal(0);
-    repo.users.canAuthorise.length.should.equal(0);
-  });
-
-  it('get a repo', async function () {
-    const res = await chai
-      .request(app)
-      .get('/api/v1/repo/' + repoIds[0])
-      .set('Cookie', `${cookie}`)
-      .send();
-    res.should.have.status(200);
-
-    expect(res.body.url).to.equal(TEST_REPO.url);
-    expect(res.body.name).to.equal(TEST_REPO.name);
-    expect(res.body.project).to.equal(TEST_REPO.project);
-  });
-
-  it('return a 409 error if the repo already exists', async function () {
-    const res = await chai
-      .request(app)
-      .post('/api/v1/repo')
-      .set('Cookie', `${cookie}`)
-      .send(TEST_REPO);
-    res.should.have.status(409);
-    res.body.message.should.equal('Repository ' + TEST_REPO.url + ' already exists!');
-  });
-
-  it('filter repos', async function () {
-    const res = await chai
-      .request(app)
-      .get('/api/v1/repo')
-      .set('Cookie', `${cookie}`)
-      .query({ url: TEST_REPO.url });
-    res.should.have.status(200);
-    res.body[0].project.should.equal(TEST_REPO.project);
-    res.body[0].name.should.equal(TEST_REPO.name);
-    res.body[0].url.should.equal(TEST_REPO.url);
-  });
-
-  it('add 1st can push user', async function () {
-    const res = await chai
-      .request(app)
-      .patch(`/api/v1/repo/${repoIds[0]}/user/push`)
-      .set('Cookie', `${cookie}`)
-      .send({
-        username: 'u1',
-      });
-
-    res.should.have.status(200);
-    const repo = await db.getRepoById(repoIds[0]);
-    repo.users.canPush.length.should.equal(1);
-    repo.users.canPush[0].should.equal('u1');
-  });
-
-  it('add 2nd can push user', async function () {
-    const res = await chai
-      .request(app)
-      .patch(`/api/v1/repo/${repoIds[0]}/user/push`)
-      .set('Cookie', `${cookie}`)
-      .send({
-        username: 'u2',
-      });
-
-    res.should.have.status(200);
-    const repo = await db.getRepoById(repoIds[0]);
-    repo.users.canPush.length.should.equal(2);
-    repo.users.canPush[1].should.equal('u2');
-  });
-
-  it('add push user that does not exist', async function () {
-    const res = await chai
-      .request(app)
-      .patch(`/api/v1/repo/${repoIds[0]}/user/push`)
-      .set('Cookie', `${cookie}`)
-      .send({
-        username: 'u3',
-      });
-
-    res.should.have.status(400);
-    const repo = await db.getRepoById(repoIds[0]);
-    repo.users.canPush.length.should.equal(2);
-  });
-
-  it('delete user u2 from push', async function () {
-    const res = await chai
-      .request(app)
-      .delete(`/api/v1/repo/${repoIds[0]}/user/push/u2`)
-      .set('Cookie', `${cookie}`)
-      .send({});
-
-    res.should.have.status(200);
-    const repo = await db.getRepoById(repoIds[0]);
-    repo.users.canPush.length.should.equal(1);
-  });
-
-  it('add 1st can authorise user', async function () {
-    const res = await chai
-      .request(app)
-      .patch(`/api/v1/repo/${repoIds[0]}/user/authorise`)
-      .set('Cookie', `${cookie}`)
-      .send({
-        username: 'u1',
-      });
-
-    res.should.have.status(200);
-    const repo = await db.getRepoById(repoIds[0]);
-    repo.users.canAuthorise.length.should.equal(1);
-    repo.users.canAuthorise[0].should.equal('u1');
-  });
-
-  it('add 2nd can authorise user', async function () {
-    const res = await chai
-      .request(app)
-      .patch(`/api/v1/repo/${repoIds[0]}/user/authorise`)
-      .set('Cookie', `${cookie}`)
-      .send({
-        username: 'u2',
-      });
-
-    res.should.have.status(200);
-    const repo = await db.getRepoById(repoIds[0]);
-    repo.users.canAuthorise.length.should.equal(2);
-    repo.users.canAuthorise[1].should.equal('u2');
-  });
-
-  it('add authorise user that does not exist', async function () {
-    const res = await chai
-      .request(app)
-      .patch(`/api/v1/repo/${repoIds[0]}/user/authorise`)
-      .set('Cookie', `${cookie}`)
-      .send({
-        username: 'u3',
-      });
-
-    res.should.have.status(400);
-    const repo = await db.getRepoById(repoIds[0]);
-    repo.users.canAuthorise.length.should.equal(2);
-  });
-
-  it('Can delete u2 user', async function () {
-    const res = await chai
-      .request(app)
-      .delete(`/api/v1/repo/${repoIds[0]}/user/authorise/u2`)
-      .set('Cookie', `${cookie}`)
-      .send({});
-
-    res.should.have.status(200);
-    const repo = await db.getRepoById(repoIds[0]);
-    repo.users.canAuthorise.length.should.equal(1);
-  });
-
-  it('Valid user push permission on repo', async function () {
-    const res = await chai
-      .request(app)
-      .patch(`/api/v1/repo/${repoIds[0]}/user/authorise`)
-      .set('Cookie', `${cookie}`)
-      .send({ username: 'u2' });
-
-    res.should.have.status(200);
-    const isAllowed = await db.isUserPushAllowed(TEST_REPO.url, 'u2');
-    expect(isAllowed).to.be.true;
-  });
-
-  it('Invalid user push permission on repo', async function () {
-    const isAllowed = await db.isUserPushAllowed(TEST_REPO.url, 'test1234');
-    expect(isAllowed).to.be.false;
-  });
-
-  it('Proxy route helpers should return the proxied origin', async function () {
-    const origins = await getAllProxiedHosts();
-    expect(origins).to.eql([TEST_REPO.host]);
-  });
-
-  it('Proxy route helpers should return the new proxied origins when new repos are added', async function () {
-    const res = await chai
-      .request(app)
-      .post('/api/v1/repo')
-      .set('Cookie', `${cookie}`)
-      .send(TEST_REPO_NON_GITHUB);
-    res.should.have.status(200);
-
-    const repo = await db.getRepoByUrl(TEST_REPO_NON_GITHUB.url);
-    // save repo id for use in subsequent tests
-    repoIds[1] = repo._id;
-
-    repo.project.should.equal(TEST_REPO_NON_GITHUB.project);
-    repo.name.should.equal(TEST_REPO_NON_GITHUB.name);
-    repo.url.should.equal(TEST_REPO_NON_GITHUB.url);
-    repo.users.canPush.length.should.equal(0);
-    repo.users.canAuthorise.length.should.equal(0);
-
-    const origins = await getAllProxiedHosts();
-    expect(origins).to.have.members([TEST_REPO.host, TEST_REPO_NON_GITHUB.host]);
-
-    const res2 = await chai
-      .request(app)
-      .post('/api/v1/repo')
-      .set('Cookie', `${cookie}`)
-      .send(TEST_REPO_NAKED);
-    res2.should.have.status(200);
-    const repo2 = await db.getRepoByUrl(TEST_REPO_NAKED.url);
-    repoIds[2] = repo2._id;
-
-    const origins2 = await getAllProxiedHosts();
-    expect(origins2).to.have.members([
-      TEST_REPO.host,
-      TEST_REPO_NON_GITHUB.host,
-      TEST_REPO_NAKED.host,
-    ]);
-  });
-
-  it('delete a repo', async function () {
-    const res = await chai
-      .request(app)
-      .delete('/api/v1/repo/' + repoIds[1] + '/delete')
-      .set('Cookie', `${cookie}`)
-      .send();
-    res.should.have.status(200);
-
-    const repo = await db.getRepoByUrl(TEST_REPO_NON_GITHUB.url);
-    expect(repo).to.be.null;
-
-    const res2 = await chai
-      .request(app)
-      .delete('/api/v1/repo/' + repoIds[2] + '/delete')
-      .set('Cookie', `${cookie}`)
-      .send();
-    res2.should.have.status(200);
-
-    const repo2 = await db.getRepoByUrl(TEST_REPO_NAKED.url);
-    expect(repo2).to.be.null;
-  });
-
-  after(async function () {
-    await service.httpServer.close();
-
-    // don't clean up data as cypress tests rely on it being present
-    // await cleanupRepo(TEST_REPO.url);
-    // await db.deleteUser('u1');
-    // await db.deleteUser('u2');
-
-    await cleanupRepo(TEST_REPO_NON_GITHUB.url);
-    await cleanupRepo(TEST_REPO_NAKED.url);
-  });
-});
diff --git a/test/testRepoApi.test.ts b/test/testRepoApi.test.ts
new file mode 100644
index 000000000..83d12f71c
--- /dev/null
+++ b/test/testRepoApi.test.ts
@@ -0,0 +1,300 @@
+import request from 'supertest';
+import { describe, it, expect, beforeAll, afterAll } from 'vitest';
+import * as db from '../src/db';
+import service from '../src/service';
+import { getAllProxiedHosts } from '../src/proxy/routes/helper';
+
+import Proxy from '../src/proxy';
+
+const TEST_REPO = {
+  url: 'https://github.com/finos/test-repo.git',
+  name: 'test-repo',
+  project: 'finos',
+  host: 'github.com',
+};
+
+const TEST_REPO_NON_GITHUB = {
+  url: 'https://gitlab.com/org/sub-org/test-repo2.git',
+  name: 'test-repo2',
+  project: 'org/sub-org',
+  host: 'gitlab.com',
+};
+
+const TEST_REPO_NAKED = {
+  url: 'https://123.456.789:80/test-repo3.git',
+  name: 'test-repo3',
+  project: '',
+  host: '123.456.789:80',
+};
+
+const cleanupRepo = async (url: string) => {
+  const repo = await db.getRepoByUrl(url);
+  if (repo) {
+    await db.deleteRepo(repo._id!);
+  }
+};
+
+const fetchRepoOrThrow = async (url: string) => {
+  const repo = await db.getRepoByUrl(url);
+  if (!repo) {
+    throw new Error('Repo not found');
+  }
+  return repo;
+};
+
+describe('add new repo', () => {
+  let app: any;
+  let proxy: any;
+  let cookie: string;
+  const repoIds: string[] = [];
+
+  const setCookie = function (res: any) {
+    res.headers['set-cookie'].forEach((x: string) => {
+      if (x.startsWith('connect')) {
+        const value = x.split(';')[0];
+        cookie = value;
+      }
+    });
+  };
+
+  beforeAll(async () => {
+    proxy = new Proxy();
+    app = await service.start(proxy);
+    // Prepare the data.
+    // _id is autogenerated by the DB so we need to retrieve it before we can use it
+    await cleanupRepo(TEST_REPO.url);
+    await cleanupRepo(TEST_REPO_NON_GITHUB.url);
+    await cleanupRepo(TEST_REPO_NAKED.url);
+
+    await db.deleteUser('u1');
+    await db.deleteUser('u2');
+    await db.createUser('u1', 'abc', 'test@test.com', 'test', true);
+    await db.createUser('u2', 'abc', 'test2@test.com', 'test', true);
+  });
+
+  it('login', async () => {
+    const res = await request(app).post('/api/auth/login').send({
+      username: 'admin',
+      password: 'admin',
+    });
+    expect(res.headers['set-cookie']).toBeDefined();
+    setCookie(res);
+  });
+
+  it('create a new repo', async () => {
+    const res = await request(app).post('/api/v1/repo').set('Cookie', `${cookie}`).send(TEST_REPO);
+    expect(res.status).toBe(200);
+
+    const repo = await fetchRepoOrThrow(TEST_REPO.url);
+
+    // save repo id for use in subsequent tests
+    repoIds[0] = repo._id!;
+
+    expect(repo.project).toBe(TEST_REPO.project);
+    expect(repo.name).toBe(TEST_REPO.name);
+    expect(repo.url).toBe(TEST_REPO.url);
+    expect(repo.users.canPush.length).toBe(0);
+    expect(repo.users.canAuthorise.length).toBe(0);
+  });
+
+  it('get a repo', async () => {
+    const res = await request(app)
+      .get('/api/v1/repo/' + repoIds[0])
+      .set('Cookie', `${cookie}`);
+    expect(res.status).toBe(200);
+
+    expect(res.body.url).toBe(TEST_REPO.url);
+    expect(res.body.name).toBe(TEST_REPO.name);
+    expect(res.body.project).toBe(TEST_REPO.project);
+  });
+
+  it('return a 409 error if the repo already exists', async () => {
+    const res = await request(app).post('/api/v1/repo').set('Cookie', `${cookie}`).send(TEST_REPO);
+    expect(res.status).toBe(409);
+    expect(res.body.message).toBe('Repository ' + TEST_REPO.url + ' already exists!');
+  });
+
+  it('filter repos', async () => {
+    const res = await request(app)
+      .get('/api/v1/repo')
+      .set('Cookie', `${cookie}`)
+      .query({ url: TEST_REPO.url });
+    expect(res.status).toBe(200);
+    expect(res.body[0].project).toBe(TEST_REPO.project);
+    expect(res.body[0].name).toBe(TEST_REPO.name);
+    expect(res.body[0].url).toBe(TEST_REPO.url);
+  });
+
+  it('add 1st can push user', async () => {
+    const res = await request(app)
+      .patch(`/api/v1/repo/${repoIds[0]}/user/push`)
+      .set('Cookie', `${cookie}`)
+      .send({ username: 'u1' });
+
+    expect(res.status).toBe(200);
+    const repo = await fetchRepoOrThrow(TEST_REPO.url);
+    expect(repo.users.canPush.length).toBe(1);
+    expect(repo.users.canPush[0]).toBe('u1');
+  });
+
+  it('add 2nd can push user', async () => {
+    const res = await request(app)
+      .patch(`/api/v1/repo/${repoIds[0]}/user/push`)
+      .set('Cookie', `${cookie}`)
+      .send({ username: 'u2' });
+
+    expect(res.status).toBe(200);
+    const repo = await fetchRepoOrThrow(TEST_REPO.url);
+    expect(repo.users.canPush.length).toBe(2);
+    expect(repo.users.canPush[1]).toBe('u2');
+  });
+
+  it('add push user that does not exist', async () => {
+    const res = await request(app)
+      .patch(`/api/v1/repo/${repoIds[0]}/user/push`)
+      .set('Cookie', `${cookie}`)
+      .send({ username: 'u3' });
+
+    expect(res.status).toBe(400);
+    const repo = await fetchRepoOrThrow(TEST_REPO.url);
+    expect(repo.users.canPush.length).toBe(2);
+  });
+
+  it('delete user u2 from push', async () => {
+    const res = await request(app)
+      .delete(`/api/v1/repo/${repoIds[0]}/user/push/u2`)
+      .set('Cookie', `${cookie}`)
+      .send({});
+
+    expect(res.status).toBe(200);
+    const repo = await fetchRepoOrThrow(TEST_REPO.url);
+    expect(repo.users.canPush.length).toBe(1);
+  });
+
+  it('add 1st can authorise user', async () => {
+    const res = await request(app)
+      .patch(`/api/v1/repo/${repoIds[0]}/user/authorise`)
+      .set('Cookie', `${cookie}`)
+      .send({ username: 'u1' });
+
+    expect(res.status).toBe(200);
+    const repo = await fetchRepoOrThrow(TEST_REPO.url);
+    expect(repo.users.canAuthorise.length).toBe(1);
+    expect(repo.users.canAuthorise[0]).toBe('u1');
+  });
+
+  it('add 2nd can authorise user', async () => {
+    const res = await request(app)
+      .patch(`/api/v1/repo/${repoIds[0]}/user/authorise`)
+      .set('Cookie', cookie)
+      .send({ username: 'u2' });
+
+    expect(res.status).toBe(200);
+    const repo = await fetchRepoOrThrow(TEST_REPO.url);
+    expect(repo.users.canAuthorise.length).toBe(2);
+    expect(repo.users.canAuthorise[1]).toBe('u2');
+  });
+
+  it('add authorise user that does not exist', async () => {
+    const res = await request(app)
+      .patch(`/api/v1/repo/${repoIds[0]}/user/authorise`)
+      .set('Cookie', cookie)
+      .send({ username: 'u3' });
+
+    expect(res.status).toBe(400);
+    const repo = await fetchRepoOrThrow(TEST_REPO.url);
+    expect(repo.users.canAuthorise.length).toBe(2);
+  });
+
+  it('Can delete u2 user', async () => {
+    const res = await request(app)
+      .delete(`/api/v1/repo/${repoIds[0]}/user/authorise/u2`)
+      .set('Cookie', cookie)
+      .send();
+
+    expect(res.status).toBe(200);
+    const repo = await fetchRepoOrThrow(TEST_REPO.url);
+    expect(repo.users.canAuthorise.length).toBe(1);
+  });
+
+  it('Valid user push permission on repo', async () => {
+    const res = await request(app)
+      .patch(`/api/v1/repo/${repoIds[0]}/user/authorise`)
+      .set('Cookie', cookie)
+      .send({ username: 'u2' });
+
+    expect(res.status).toBe(200);
+    const isAllowed = await db.isUserPushAllowed(TEST_REPO.url, 'u2');
+    expect(isAllowed).toBe(true);
+  });
+
+  it('Invalid user push permission on repo', async () => {
+    const isAllowed = await db.isUserPushAllowed(TEST_REPO.url, 'test1234');
+    expect(isAllowed).toBe(false);
+  });
+
+  it('Proxy route helpers should return the proxied origin', async () => {
+    const origins = await getAllProxiedHosts();
+    expect(origins).toEqual([TEST_REPO.host]);
+  });
+
+  it('Proxy route helpers should return the new proxied origins when new repos are added', async () => {
+    const res = await request(app)
+      .post('/api/v1/repo')
+      .set('Cookie', cookie)
+      .send(TEST_REPO_NON_GITHUB);
+
+    expect(res.status).toBe(200);
+    const repo = await fetchRepoOrThrow(TEST_REPO_NON_GITHUB.url);
+    repoIds[1] = repo._id!;
+
+    expect(repo.project).toBe(TEST_REPO_NON_GITHUB.project);
+    expect(repo.name).toBe(TEST_REPO_NON_GITHUB.name);
+    expect(repo.url).toBe(TEST_REPO_NON_GITHUB.url);
+    expect(repo.users.canPush.length).toBe(0);
+    expect(repo.users.canAuthorise.length).toBe(0);
+
+    const origins = await getAllProxiedHosts();
+    expect(origins).toEqual(expect.arrayContaining([TEST_REPO.host, TEST_REPO_NON_GITHUB.host]));
+
+    const res2 = await request(app)
+      .post('/api/v1/repo')
+      .set('Cookie', cookie)
+      .send(TEST_REPO_NAKED);
+
+    expect(res2.status).toBe(200);
+    const repo2 = await fetchRepoOrThrow(TEST_REPO_NAKED.url);
+    repoIds[2] = repo2._id!;
+
+    const origins2 = await getAllProxiedHosts();
+    expect(origins2).toEqual(
+      expect.arrayContaining([TEST_REPO.host, TEST_REPO_NON_GITHUB.host, TEST_REPO_NAKED.host]),
+    );
+  });
+
+  it('delete a repo', async () => {
+    const res = await request(app)
+      .delete(`/api/v1/repo/${repoIds[1]}/delete`)
+      .set('Cookie', cookie)
+      .send();
+
+    expect(res.status).toBe(200);
+    const repo = await db.getRepoByUrl(TEST_REPO_NON_GITHUB.url);
+    expect(repo).toBeNull();
+
+    const res2 = await request(app)
+      .delete(`/api/v1/repo/${repoIds[2]}/delete`)
+      .set('Cookie', cookie)
+      .send();
+
+    expect(res2.status).toBe(200);
+    const repo2 = await db.getRepoByUrl(TEST_REPO_NAKED.url);
+    expect(repo2).toBeNull();
+  });
+
+  afterAll(async () => {
+    await service.httpServer.close();
+    await cleanupRepo(TEST_REPO_NON_GITHUB.url);
+    await cleanupRepo(TEST_REPO_NAKED.url);
+  });
+});
diff --git a/test/testRouteFilter.test.js b/test/testRouteFilter.test.ts
similarity index 73%
rename from test/testRouteFilter.test.js
rename to test/testRouteFilter.test.ts
index d2bcb1ef4..2b1b7cec1 100644
--- a/test/testRouteFilter.test.js
+++ b/test/testRouteFilter.test.ts
@@ -1,4 +1,4 @@
-import * as chai from 'chai';
+import { describe, it, expect } from 'vitest';
 import {
   validGitRequest,
   processUrlPath,
@@ -6,82 +6,79 @@ import {
   processGitURLForNameAndOrg,
 } from '../src/proxy/routes/helper';
 
-chai.should();
-
-const expect = chai.expect;
-
 const VERY_LONG_PATH =
-  '/a/very/very/very/very/very//very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/long/path';
+  '/a/very/very/very/very/very//very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very/long/path';
 
-describe('url helpers and filter functions used in the proxy', function () {
-  it('processUrlPath should return breakdown of a proxied path, separating the path to repository from the git operation path', function () {
+describe('url helpers and filter functions used in the proxy', () => {
+  it('processUrlPath should return breakdown of a proxied path, separating the path to repository from the git operation path', () => {
     expect(
       processUrlPath('/github.com/octocat/hello-world.git/info/refs?service=git-upload-pack'),
-    ).to.deep.eq({
+    ).toEqual({
       repoPath: '/github.com/octocat/hello-world.git',
       gitPath: '/info/refs?service=git-upload-pack',
     });
 
     expect(
       processUrlPath('/gitlab.com/org/sub-org/hello-world.git/info/refs?service=git-upload-pack'),
-    ).to.deep.eq({
+    ).toEqual({
       repoPath: '/gitlab.com/org/sub-org/hello-world.git',
       gitPath: '/info/refs?service=git-upload-pack',
     });
 
     expect(
       processUrlPath('/123.456.789/hello-world.git/info/refs?service=git-upload-pack'),
-    ).to.deep.eq({
+    ).toEqual({
       repoPath: '/123.456.789/hello-world.git',
       gitPath: '/info/refs?service=git-upload-pack',
     });
   });
 
-  it('processUrlPath should return breakdown of a legacy proxy path, separating the path to repository from the git operation path', function () {
-    expect(processUrlPath('/octocat/hello-world.git/info/refs?service=git-upload-pack')).to.deep.eq(
-      { repoPath: '/octocat/hello-world.git', gitPath: '/info/refs?service=git-upload-pack' },
-    );
+  it('processUrlPath should return breakdown of a legacy proxy path, separating the path to repository from the git operation path', () => {
+    expect(processUrlPath('/octocat/hello-world.git/info/refs?service=git-upload-pack')).toEqual({
+      repoPath: '/octocat/hello-world.git',
+      gitPath: '/info/refs?service=git-upload-pack',
+    });
   });
 
-  it('processUrlPath should return breakdown of a legacy proxy path, separating the path to repository when git path is just /', function () {
-    expect(processUrlPath('/octocat/hello-world.git/')).to.deep.eq({
+  it('processUrlPath should return breakdown of a legacy proxy path, separating the path to repository when git path is just /', () => {
+    expect(processUrlPath('/octocat/hello-world.git/')).toEqual({
       repoPath: '/octocat/hello-world.git',
       gitPath: '/',
     });
   });
 
-  it('processUrlPath should return breakdown of a legacy proxy path, separating the path to repository when no path is present', function () {
-    expect(processUrlPath('/octocat/hello-world.git')).to.deep.eq({
+  it('processUrlPath should return breakdown of a legacy proxy path, separating the path to repository when no path is present', () => {
+    expect(processUrlPath('/octocat/hello-world.git')).toEqual({
       repoPath: '/octocat/hello-world.git',
       gitPath: '/',
     });
   });
 
-  it("processUrlPath should return null if the url couldn't be parsed", function () {
-    expect(processUrlPath('/octocat/hello-world')).to.be.null;
-    expect(processUrlPath(VERY_LONG_PATH)).to.be.null;
+  it("processUrlPath should return null if it can't be parsed", () => {
+    expect(processUrlPath('/octocat/hello-world')).toBeNull();
+    expect(processUrlPath(VERY_LONG_PATH)).toBeNull();
   });
 
-  it('processGitUrl should return breakdown of a git URL separating out the protocol, host and repository path', function () {
-    expect(processGitUrl('https://somegithost.com/octocat/hello-world.git')).to.deep.eq({
+  it('processGitUrl should return breakdown of a git URL separating out the protocol, host and repository path', () => {
+    expect(processGitUrl('https://somegithost.com/octocat/hello-world.git')).toEqual({
       protocol: 'https://',
       host: 'somegithost.com',
       repoPath: '/octocat/hello-world.git',
     });
 
-    expect(processGitUrl('https://123.456.789:1234/hello-world.git')).to.deep.eq({
+    expect(processGitUrl('https://123.456.789:1234/hello-world.git')).toEqual({
       protocol: 'https://',
       host: '123.456.789:1234',
       repoPath: '/hello-world.git',
     });
   });
 
-  it('processGitUrl should return breakdown of a git URL separating out the protocol, host and repository path and discard any git operation path', function () {
+  it('processGitUrl should return breakdown of a git URL separating out the protocol, host and repository path and discard any git operation path', () => {
     expect(
       processGitUrl(
         'https://somegithost.com:1234/octocat/hello-world.git/info/refs?service=git-upload-pack',
       ),
-    ).to.deep.eq({
+    ).toEqual({
       protocol: 'https://',
       host: 'somegithost.com:1234',
       repoPath: '/octocat/hello-world.git',
@@ -89,40 +86,41 @@ describe('url helpers and filter functions used in the proxy', function () {
 
     expect(
       processGitUrl('https://123.456.789/hello-world.git/info/refs?service=git-upload-pack'),
-    ).to.deep.eq({
+    ).toEqual({
       protocol: 'https://',
       host: '123.456.789',
       repoPath: '/hello-world.git',
     });
   });
 
-  it('processGitUrl should return null for a url it cannot parse', function () {
-    expect(processGitUrl('somegithost.com:1234/octocat/hello-world.git')).to.be.null;
-    expect(processUrlPath('somegithost.com:1234' + VERY_LONG_PATH + '.git')).to.be.null;
+  it('processGitUrl should return null for a url it cannot parse', () => {
+    expect(processGitUrl('somegithost.com:1234/octocat/hello-world.git')).toBeNull();
+    expect(processUrlPath('somegithost.com:1234' + VERY_LONG_PATH + '.git')).toBeNull();
   });
 
-  it('processGitURLForNameAndOrg should return breakdown of a git URL path separating out the protocol, origin and repository path', function () {
-    expect(processGitURLForNameAndOrg('github.com/octocat/hello-world.git')).to.deep.eq({
+  it('processGitURLForNameAndOrg should return breakdown of a git URL path separating out the protocol, origin and repository path', () => {
+    expect(processGitURLForNameAndOrg('github.com/octocat/hello-world.git')).toEqual({
       project: 'octocat',
       repoName: 'hello-world.git',
     });
   });
 
-  it('processGitURLForNameAndOrg should return breakdown of a git repository URL separating out the project (organisation) and repository name', function () {
-    expect(processGitURLForNameAndOrg('https://github.com:80/octocat/hello-world.git')).to.deep.eq({
+  it('processGitURLForNameAndOrg should return breakdown of a git repository URL separating out the project (organisation) and repository name', () => {
+    expect(processGitURLForNameAndOrg('https://github.com:80/octocat/hello-world.git')).toEqual({
       project: 'octocat',
       repoName: 'hello-world.git',
     });
   });
 
-  it("processGitURLForNameAndOrg should return null for a git repository URL it can't parse", function () {
-    expect(processGitURLForNameAndOrg('someGitHost.com/repo')).to.be.null;
-    expect(processGitURLForNameAndOrg('https://someGitHost.com/repo')).to.be.null;
-    expect(processGitURLForNameAndOrg('https://somegithost.com:1234' + VERY_LONG_PATH + '.git')).to
-      .be.null;
+  it("processGitURLForNameAndOrg should return null for a git repository URL it can't parse", () => {
+    expect(processGitURLForNameAndOrg('someGitHost.com/repo')).toBeNull();
+    expect(processGitURLForNameAndOrg('https://someGitHost.com/repo')).toBeNull();
+    expect(
+      processGitURLForNameAndOrg('https://somegithost.com:1234' + VERY_LONG_PATH + '.git'),
+    ).toBeNull();
   });
 
-  it('validGitRequest should return true for safe requests on expected URLs', function () {
+  it('validGitRequest should return true for safe requests', () => {
     [
       '/info/refs?service=git-upload-pack',
       '/info/refs?service=git-receive-pack',
@@ -134,56 +132,54 @@ describe('url helpers and filter functions used in the proxy', function () {
           'user-agent': 'git/2.30.0',
           accept: 'application/x-git-upload-pack-request',
         }),
-      ).true;
+      ).toBe(true);
     });
   });
 
-  it('validGitRequest should return false for unsafe URLs', function () {
+  it('validGitRequest should return false for unsafe URLs', () => {
     ['/', '/foo'].forEach((url) => {
       expect(
         validGitRequest(url, {
           'user-agent': 'git/2.30.0',
           accept: 'application/x-git-upload-pack-request',
         }),
-      ).false;
+      ).toBe(false);
     });
   });
 
-  it('validGitRequest should return false for a browser request', function () {
+  it('validGitRequest should return false for a browser request', () => {
     expect(
       validGitRequest('/', {
         'user-agent': 'Mozilla/5.0',
         accept: '*/*',
       }),
-    ).false;
+    ).toBe(false);
   });
 
-  it('validGitRequest should return false for unexpected combinations of headers & URLs', function () {
-    // expected Accept=application/x-git-upload-pack
+  it('validGitRequest should return false for unexpected headers', () => {
     expect(
       validGitRequest('/git-upload-pack', {
         'user-agent': 'git/2.30.0',
         accept: '*/*',
       }),
-    ).false;
+    ).toBe(false);
 
-    // expected User-Agent=git/*
     expect(
       validGitRequest('/info/refs?service=git-upload-pack', {
         'user-agent': 'Mozilla/5.0',
         accept: '*/*',
       }),
-    ).false;
+    ).toBe(false);
   });
 
-  it('validGitRequest should return false for unexpected content-type on certain URLs', function () {
-    ['application/json', 'text/html', '*/*'].map((accept) => {
+  it('validGitRequest should return false for unexpected content-type', () => {
+    ['application/json', 'text/html', '*/*'].forEach((accept) => {
       expect(
         validGitRequest('/git-upload-pack', {
           'user-agent': 'git/2.30.0',
-          accept: accept,
+          accept,
         }),
-      ).false;
+      ).toBe(false);
     });
   });
 });
diff --git a/test/ui/apiBase.test.js b/test/ui/apiBase.test.js
deleted file mode 100644
index b339a9388..000000000
--- a/test/ui/apiBase.test.js
+++ /dev/null
@@ -1,51 +0,0 @@
-const { expect } = require('chai');
-
-// Helper to reload the module fresh each time
-function loadApiBase() {
-  delete require.cache[require.resolve('../../src/ui/apiBase')];
-  return require('../../src/ui/apiBase');
-}
-
-describe('apiBase', () => {
-  let originalEnv;
-
-  before(() => {
-    global.location = { origin: 'https://lovely-git-proxy.com' };
-  });
-
-  after(() => {
-    delete global.location;
-  });
-
-  beforeEach(() => {
-    originalEnv = process.env.VITE_API_URI;
-    delete process.env.VITE_API_URI;
-    delete require.cache[require.resolve('../../src/ui/apiBase')];
-  });
-
-  afterEach(() => {
-    if (typeof originalEnv === 'undefined') {
-      delete process.env.VITE_API_URI;
-    } else {
-      process.env.VITE_API_URI = originalEnv;
-    }
-    delete require.cache[require.resolve('../../src/ui/apiBase')];
-  });
-
-  it('uses the location origin when VITE_API_URI is not set', () => {
-    const { API_BASE } = loadApiBase();
-    expect(API_BASE).to.equal('https://lovely-git-proxy.com');
-  });
-
-  it('returns the exact value when no trailing slash', () => {
-    process.env.VITE_API_URI = 'https://example.com';
-    const { API_BASE } = loadApiBase();
-    expect(API_BASE).to.equal('https://example.com');
-  });
-
-  it('strips trailing slashes from VITE_API_URI', () => {
-    process.env.VITE_API_URI = 'https://example.com////';
-    const { API_BASE } = loadApiBase();
-    expect(API_BASE).to.equal('https://example.com');
-  });
-});
diff --git a/test/ui/apiBase.test.ts b/test/ui/apiBase.test.ts
new file mode 100644
index 000000000..da34dbc30
--- /dev/null
+++ b/test/ui/apiBase.test.ts
@@ -0,0 +1,50 @@
+import { describe, it, expect, beforeAll, afterAll, beforeEach, afterEach } from 'vitest';
+
+async function loadApiBase() {
+  const path = '../../src/ui/apiBase.ts';
+  const modulePath = await import(path + '?update=' + Date.now()); // forces reload
+  return modulePath;
+}
+
+describe('apiBase', () => {
+  let originalEnv: string | undefined;
+  const originalLocation = globalThis.location;
+
+  beforeAll(() => {
+    globalThis.location = { origin: 'https://lovely-git-proxy.com' } as any;
+  });
+
+  afterAll(() => {
+    globalThis.location = originalLocation;
+  });
+
+  beforeEach(() => {
+    originalEnv = process.env.VITE_API_URI;
+    delete process.env.VITE_API_URI;
+  });
+
+  afterEach(() => {
+    if (typeof originalEnv === 'undefined') {
+      delete process.env.VITE_API_URI;
+    } else {
+      process.env.VITE_API_URI = originalEnv;
+    }
+  });
+
+  it('uses the location origin when VITE_API_URI is not set', async () => {
+    const { API_BASE } = await loadApiBase();
+    expect(API_BASE).toBe('https://lovely-git-proxy.com');
+  });
+
+  it('returns the exact value when no trailing slash', async () => {
+    process.env.VITE_API_URI = 'https://example.com';
+    const { API_BASE } = await loadApiBase();
+    expect(API_BASE).toBe('https://example.com');
+  });
+
+  it('strips trailing slashes from VITE_API_URI', async () => {
+    process.env.VITE_API_URI = 'https://example.com////';
+    const { API_BASE } = await loadApiBase();
+    expect(API_BASE).toBe('https://example.com');
+  });
+});
diff --git a/vitest.config.ts b/vitest.config.ts
new file mode 100644
index 000000000..3e8b1ac1c
--- /dev/null
+++ b/vitest.config.ts
@@ -0,0 +1,35 @@
+import { defineConfig } from 'vitest/config';
+
+export default defineConfig({
+  test: {
+    pool: 'forks',
+    poolOptions: {
+      forks: {
+        singleFork: true, // Run all tests in a single process
+      },
+    },
+    coverage: {
+      provider: 'v8',
+      reportsDirectory: './coverage',
+      reporter: ['text', 'lcov'],
+      include: ['src/**/*.ts'],
+      exclude: [
+        'dist',
+        'experimental',
+        'packages',
+        'plugins',
+        'scripts',
+        'src/**/types.ts',
+        'src/config/generated',
+        'src/constants',
+        'src/contents',
+        'src/types',
+        'src/ui',
+        'website',
+      ],
+      thresholds: {
+        lines: 80,
+      },
+    },
+  },
+});
diff --git a/website/docs/configuration/reference.mdx b/website/docs/configuration/reference.mdx
index 2bb5d4c8c..56184efb0 100644
--- a/website/docs/configuration/reference.mdx
+++ b/website/docs/configuration/reference.mdx
@@ -646,7 +646,7 @@ description: JSON schema reference documentation for GitProxy
 
 |              |                   |
 | ------------ | ----------------- |
-| **Type**     | `array of string` |
+| **Type**     | `array of object` |
 | **Required** | No                |
 
 | Each item of this array must be                                       | Description |
@@ -655,6 +655,32 @@ description: JSON schema reference documentation for GitProxy
 
 ###### <a name="autogenerated_heading_7"></a>6.1.1.2.2.1. GitProxy configuration file > attestationConfig > questions > Question > tooltip > links > links items
 
+|                           |             |
+| ------------------------- | ----------- |
+| **Type**                  | `object`    |
+| **Required**              | No          |
+| **Additional properties** | Not allowed |
+
+<details>
+<summary>
+<strong> <a name="attestationConfig_questions_items_tooltip_links_items_text"></a>6.1.1.2.2.1.1. [Optional] Property GitProxy configuration file > attestationConfig > questions > Question > tooltip > links > links items > text</strong>
+</summary>
+<blockquote>
+
+|              |          |
+| ------------ | -------- |
+| **Type**     | `string` |
+| **Required** | No       |
+
+</blockquote>
+</details>
+
+<details>
+<summary>
+<strong> <a name="attestationConfig_questions_items_tooltip_links_items_url"></a>6.1.1.2.2.1.2. [Optional] Property GitProxy configuration file > attestationConfig > questions > Question > tooltip > links > links items > url</strong>
+</summary>
+<blockquote>
+
 |              |          |
 | ------------ | -------- |
 | **Type**     | `string` |
@@ -673,6 +699,9 @@ description: JSON schema reference documentation for GitProxy
 </blockquote>
 </details>
 
+</blockquote>
+</details>
+
 <details>
 <summary>
 <strong> <a name="domains"></a>7. [Optional] Property GitProxy configuration file > domains</strong>
@@ -1324,6 +1353,22 @@ Specific value: `"ActiveDirectory"`
 </blockquote>
 </details>
 
+<details>
+<summary>
+<strong> <a name="authentication_items_oneOf_i1_adConfig_searchBase"></a>16.1.2.6.5. [Optional] Property GitProxy configuration file > authentication > authentication items > oneOf > Active Directory Auth Config > adConfig > searchBase</strong>
+</summary>
+<blockquote>
+
+|              |          |
+| ------------ | -------- |
+| **Type**     | `string` |
+| **Required** | No       |
+
+**Description:** Override baseDN to query for users in other OUs or sub-trees.
+
+</blockquote>
+</details>
+
 </blockquote>
 </details>
 
@@ -1546,6 +1591,50 @@ Specific value: `"jwt"`
 </blockquote>
 </details>
 
+<details>
+<summary>
+<strong> <a name="authentication_items_oneOf_i3_jwtConfig_expectedAudience"></a>16.1.4.3.3. [Optional] Property GitProxy configuration file > authentication > authentication items > oneOf > JWT Auth Config > jwtConfig > expectedAudience</strong>
+</summary>
+<blockquote>
+
+|              |          |
+| ------------ | -------- |
+| **Type**     | `string` |
+| **Required** | No       |
+
+</blockquote>
+</details>
+
+<details>
+<summary>
+<strong> <a name="authentication_items_oneOf_i3_jwtConfig_roleMapping"></a>16.1.4.3.4. [Optional] Property GitProxy configuration file > authentication > authentication items > oneOf > JWT Auth Config > jwtConfig > roleMapping</strong>
+</summary>
+<blockquote>
+
+|                           |                  |
+| ------------------------- | ---------------- |
+| **Type**                  | `object`         |
+| **Required**              | No               |
+| **Additional properties** | Any type allowed |
+
+<details>
+<summary>
+<strong> <a name="authentication_items_oneOf_i3_jwtConfig_roleMapping_admin"></a>16.1.4.3.4.1. [Optional] Property GitProxy configuration file > authentication > authentication items > oneOf > JWT Auth Config > jwtConfig > roleMapping > admin</strong>
+</summary>
+<blockquote>
+
+|                           |                  |
+| ------------------------- | ---------------- |
+| **Type**                  | `object`         |
+| **Required**              | No               |
+| **Additional properties** | Any type allowed |
+
+</blockquote>
+</details>
+
+</blockquote>
+</details>
+
 </blockquote>
 </details>
 
@@ -1842,4 +1931,4 @@ Specific value: `"jwt"`
 </details>
 
 ----------------------------------------------------------------------------------------------------------------------------
-Generated using [json-schema-for-humans](https://github.com/coveooss/json-schema-for-humans) on 2025-10-08 at 17:43:40 +0100
+Generated using [json-schema-for-humans](https://github.com/coveooss/json-schema-for-humans) on 2025-11-18 at 19:51:24 +0900
diff --git a/website/docs/development/testing.mdx b/website/docs/development/testing.mdx
index 81c20b007..2741c003f 100644
--- a/website/docs/development/testing.mdx
+++ b/website/docs/development/testing.mdx
@@ -295,7 +295,7 @@ In the above example, `cy.login('admin', 'admin')` is actually a custom command
 Cypress.Commands.add('login', (username, password) => {
   cy.session([username, password], () => {
     cy.visit('/login');
-    cy.intercept('GET', '**/api/auth/me').as('getUser');
+    cy.intercept('GET', '**/api/auth/profile').as('getUser');
 
     cy.get('[data-test=username]').type(username);
     cy.get('[data-test=password]').type(password);