upgrade to mongo-memory-server >=7

.eslintrc.json

@@ -10,5 +10,7 @@
     "sourceType": "module"
   },
   "plugins": ["@typescript-eslint"],
-  "rules": {}
+  "rules": {
+    "@typescript-eslint/no-namespace": ["off"]
+  }
 }

.github/workflows/node.js.yml

@@ -15,9 +15,7 @@ jobs:
 
     strategy:
       matrix:
-        node-version: [12.x, 14.x, 16.x, 17.x]
-        # See supported Node.js release schedule at https://nodejs.org/en/about/releases/
-
+        node-version: [16.x, 17.x, 18.x]
     steps:
       - uses: actions/checkout@v2
       - name: Use Node.js ${{ matrix.node-version }}
@@ -27,4 +25,5 @@ jobs:
       - run: yarn install --frozen-lockfile
       - run: yarn lint
       - run: yarn prettier
+      - run: yarn test
       - run: yarn compile

.prettierignore

@@ -1,3 +1,2 @@
 node_modules/
 dist/
-lerna.json

.vscode/settings.json

@@ -10,5 +10,8 @@
   "files.insertFinalNewline": true,
   "files.trimFinalNewlines": true,
   "files.trimTrailingWhitespace": true,
-  "npm.packageManager": "yarn"
+  "npm.packageManager": "yarn",
+  "[typescript]": {
+    "editor.defaultFormatter": "vscode.typescript-language-features"
+  }
 }

package.json

@@ -13,16 +13,17 @@
     "lint:fix": "eslint . --ext .ts --max-warnings 0 --fix"
   },
   "devDependencies": {
-    "@tsconfig/node12": "1.0.9",
-    "@types/jest": "27.4.0",
+    "@tsconfig/node16": "^1.0.3",
+    "@types/jest": "29.5.0",
     "@types/mongodb": "4.0.7",
-    "@typescript-eslint/eslint-plugin": "5.10.1",
-    "@typescript-eslint/parser": "5.10.1",
-    "eslint": "8.7.0",
-    "lerna": "3.22.1",
-    "mongodb-memory-server": "6.9.3",
-    "prettier": "2.5.1",
-    "rimraf": "3.0.2",
-    "typescript": "4.5.5"
+    "@types/node": "^18.15.7",
+    "@typescript-eslint/eslint-plugin": "5.56.0",
+    "@typescript-eslint/parser": "5.56.0",
+    "eslint": "8.36.0",
+    "jest-environment-node": "^29.5.0",
+    "mongodb-memory-server": "8.12.1",
+    "prettier": "2.8.7",
+    "rimraf": "4.4.1",
+    "typescript": "5.0.2"
   }
 }

packages/jest-environment-mongodb-ephemeral/README.md

@@ -1,7 +1,6 @@
 # jest-environment-mongodb-ephemeral
 
 [![npm version](https://badge.fury.io/js/jest-environment-mongodb-ephemeral.svg)](https://badge.fury.io/js/jest-environment-mongodb-ephemeral)
-[![lerna](https://img.shields.io/badge/maintained%20with-lerna-cc00ff.svg)](https://lerna.js.org/)
 
 This package provides a wrapper around
 [jest-environment-mongodb](https://www.npmjs.com/package/jest-environment-mongodb)

packages/jest-environment-mongodb-ephemeral/package.json

@@ -19,10 +19,8 @@
   "files": [
     "dist"
   ],
-  "dependencies": {
-    "jest-environment-mongodb": "^1.0.5"
-  },
   "peerDependencies": {
-    "mongodb-memory-server": "4.x || 5.x || 6.x"
+    "mongodb-memory-server": "7.x || 8.x",
+    "jest-environment-node": "*"
   }
 }

packages/jest-environment-mongodb-ephemeral/src/index.ts

@@ -1,20 +1,18 @@
-import MongoDbEnvironment, {
-  MongoDbEnvironmentConfig,
-} from "jest-environment-mongodb";
+import MongoDbEnvironment, { MongoDbEnvironmentConfig } from "jest-environment-mongodb";
+import type { EnvironmentContext } from "@jest/environment";
 
 export default class EphemeralEnvironment extends MongoDbEnvironment {
-  constructor(config: MongoDbEnvironmentConfig) {
-    super({
+  constructor(config: MongoDbEnvironmentConfig, context: EnvironmentContext) {
+    config = {
       ...config,
       testEnvironmentOptions: {
         ...config.testEnvironmentOptions,
         instance: {
-          ...(config.testEnvironmentOptions.instance as Record<string, never>),
-          storageEngine: "ephemeralForTest",
-        },
-      },
-    });
+          ...config.testEnvironmentOptions?.instance ?? {},
+          storageEngine: "ephemeralForTest"
+        }
+      }
+    }
+    super(config, context);
   }
 }
-
-module.exports = EphemeralEnvironment;

packages/jest-environment-mongodb-wiredtiger/README.md

@@ -1,7 +1,6 @@
 # jest-environment-mongodb-wiredtiger
 
 [![npm version](https://badge.fury.io/js/jest-environment-mongodb-wiredtiger.svg)](https://badge.fury.io/js/jest-environment-mongodb-wiredtiger)
-[![lerna](https://img.shields.io/badge/maintained%20with-lerna-cc00ff.svg)](https://lerna.js.org/)
 
 This package provides a wrapper around
 [jest-environment-mongodb](https://www.npmjs.com/package/jest-environment-mongodb)

packages/jest-environment-mongodb-wiredtiger/package.json

@@ -19,10 +19,8 @@
   "files": [
     "dist"
   ],
-  "dependencies": {
-    "jest-environment-mongodb": "^1.0.5"
-  },
   "peerDependencies": {
-    "mongodb-memory-server": "4.x || 5.x || 6.x"
+    "mongodb-memory-server": "7.x || 8.x",
+    "jest-environment-node": "*"
   }
 }

packages/jest-environment-mongodb-wiredtiger/src/index.ts

@@ -1,20 +1,18 @@
-import MongoDbEnvironment, {
-  MongoDbEnvironmentConfig,
-} from "jest-environment-mongodb";
+import MongoDbEnvironment, { MongoDbEnvironmentConfig } from "jest-environment-mongodb";
+import type { EnvironmentContext } from "@jest/environment";
 
 export default class WiredTigerEnvironment extends MongoDbEnvironment {
-  constructor(config: MongoDbEnvironmentConfig) {
-    super({
+  constructor(config: MongoDbEnvironmentConfig, context: EnvironmentContext) {
+    config = {
       ...config,
       testEnvironmentOptions: {
         ...config.testEnvironmentOptions,
         instance: {
-          ...(config.testEnvironmentOptions.instance as Record<string, never>),
-          storageEngine: "wiredTiger",
-        },
-      },
-    });
+          ...config.testEnvironmentOptions?.instance ?? {},
+          storageEngine: "wiredTiger"
+        }
+      }
+    }
+    super(config, context);
   }
 }
-
-module.exports = WiredTigerEnvironment;

packages/jest-environment-mongodb/README.md

@@ -1,7 +1,6 @@
 # jest-environment-mongodb
 
 [![npm version](https://badge.fury.io/js/jest-environment-mongodb.svg)](https://badge.fury.io/js/jest-environment-mongodb)
-[![lerna](https://img.shields.io/badge/maintained%20with-lerna-cc00ff.svg)](https://lerna.js.org/)
 
 Easily run [Jest](https://jestjs.io/) integration tests that require a running
 [MongoDB](https://www.mongodb.com/) server
@@ -109,9 +108,7 @@ jest --watch --runInBand mytests.test.js
 Configure the MongoDB server by passing options to `testEnvironmentOptions` of
 your Jest configuration file.
 
-The available `testEnvironmentOptions` are the same as the
-`mongodb-memory-server`
-[options](https://www.npmjs.com/package/mongodb-memory-server#available-options).
+The available `testEnvironmentOptions` are the same as for [`mongodb-memory-server`](https://www.npmjs.com/package/mongodb-memory-server)`.
 
 Example:
 
@@ -134,12 +131,11 @@ environments.
 
 ## Globals
 
-The `jest-environment-mongodb` environment exposes three global variables:
+The `jest-environment-mongodb` environment exposes two global variables:
 
 ```
-global.MONGO_URI      // The server connection URI
-global.MONGO_DB_NAME  // The database name
-global.MONGOD         // The mongod instance from `mongodb-memory-server`
+global.__MONGO_URI__  // The server connection URI with a random db name
+global.__MONGOD__     // The mongod instance from `mongodb-memory-server`
 ```
 
 ## Usage
@@ -152,11 +148,9 @@ global.MONGOD         // The mongod instance from `mongodb-memory-server`
 import { MongoClient } from "mongodb";
 
 let client;
-let db;
 
 beforeAll(async () => {
   client = await MongoClient.connect(global.MONGO_URI);
-  db = await client.db(global.MONGO_DB_NAME);
 });
 
 afterAll(async () => {
@@ -165,7 +159,7 @@ afterAll(async () => {
 
 beforeEach(async () => {
   // Reset the database before each test
-  await db.dropDatabase();
+  await client.db().dropDatabase();
 });
 
 it("should aggregate docs from collection", async () => {

packages/jest-environment-mongodb/jest.config.js

@@ -0,0 +1,5 @@
+/** @type {import('ts-jest').JestConfigWithTsJest} */
+module.exports = {
+  preset: 'ts-jest',
+  testEnvironment: 'node',
+};

packages/jest-environment-mongodb/package.json

@@ -18,10 +18,17 @@
   "files": [
     "dist"
   ],
-  "dependencies": {
-    "jest-environment-node": "^26.6.2"
+  "scripts": {
+    "test": "jest"
   },
   "peerDependencies": {
-    "mongodb-memory-server": "4.x || 5.x || 6.x"
+    "jest-environment-node": "*",
+    "mongodb-memory-server": "7.x || 8.x"
+  },
+  "devDependencies": {
+    "@types/jest": "^29.5.0",
+    "jest": "^29.5.0",
+    "mongodb": "^5.1.0",
+    "ts-jest": "^29.0.5"
   }
 }

packages/jest-environment-mongodb/src/another.test.ts

@@ -0,0 +1,4 @@
+/* @jest-environment ./src/index.ts */
+it("is just a stub for runInBand mode to watch", async () => {
+  console.log("stubstub");
+});

packages/jest-environment-mongodb/src/index.test.ts

@@ -0,0 +1,48 @@
+/* @jest-environment ./src/index.ts */
+import { MongoClient } from "mongodb";
+
+declare namespace global {
+  const __MONGO_URI__: string;
+}
+
+let client: MongoClient;
+
+beforeAll(async () => {
+  client = await MongoClient.connect(global.__MONGO_URI__);
+});
+
+afterAll(async () => {
+  await client.close();
+});
+
+beforeEach(async () => {
+  // Reset the database before each test
+  await client.db().dropDatabase();
+});
+
+it("should aggregate docs from collection", async () => {
+  expect(true).toBeTruthy()
+  const files = client.db().collection("files");
+
+  await files.insertMany([
+    { type: "Document" },
+    { type: "Video" },
+    { type: "Image" },
+    { type: "Document" },
+    { type: "Image" },
+    { type: "Document" },
+  ]);
+
+  const topFiles = await files
+    .aggregate([
+      { $group: { _id: "$type", count: { $sum: 1 } } },
+      { $sort: { count: -1 } },
+    ])
+    .toArray();
+
+  expect(topFiles).toEqual([
+    { _id: "Document", count: 3 },
+    { _id: "Image", count: 2 },
+    { _id: "Video", count: 1 },
+  ]);
+});