test: use jest v29

.github/workflows/build.yml

@@ -85,7 +85,7 @@ jobs:
         run: yarn build
 
       - name: Unit tests
-        run: yarn jest:${{ env.NODE_VERSION }} --maxWorkers=2 --ci --coverage ${{ env.coverage }}
+        run: yarn jest --ci --coverage ${{ env.coverage }}
 
       - name: Codecov
         uses: codecov/codecov-action@81cd2dc8148241f03f5839d295e000b8f761e378 # tag=v3.1.0

jest.config.ts

@@ -1,8 +1,32 @@
+import os from 'os';
 import type { InitialOptionsTsJest } from 'ts-jest/dist/types';
 
 const ci = !!process.env.CI;
 
-const config: InitialOptionsTsJest = {
+type JestConfig = InitialOptionsTsJest & {
+  // https://github.com/renovatebot/renovate/issues/17034
+  workerIdleMemoryLimit?: string;
+};
+
+/**
+ * https://docs.github.com/en/actions/using-github-hosted-runners/about-github-hosted-runners#supported-runners-and-hardware-resources
+ */
+function jestGithubRunnerSpecs(): JestConfig {
+  if (os.platform() === 'darwin') {
+    //
+    return {
+      maxWorkers: 2,
+      workerIdleMemoryLimit: '4GB',
+    };
+  }
+
+  return {
+    maxWorkers: 2,
+    workerIdleMemoryLimit: '2GB',
+  };
+}
+
+const config: JestConfig = {
   preset: 'ts-jest',
   cacheDirectory: '.cache/jest',
   coverageDirectory: './coverage',
@@ -24,6 +48,13 @@ const config: InitialOptionsTsJest = {
       statements: 100,
     },
   },
+  globals: {
+    'ts-jest': {
+      tsconfig: '<rootDir>/tsconfig.spec.json',
+      diagnostics: false,
+      isolatedModules: true,
+    },
+  },
   modulePathIgnorePatterns: ['<rootDir>/dist/', '/__fixtures__/'],
   reporters: ci ? ['default', 'github-actions'] : ['default'],
   setupFilesAfterEnv: [
@@ -36,13 +67,10 @@ const config: InitialOptionsTsJest = {
   testEnvironment: 'node',
   testRunner: 'jest-circus/runner',
   watchPathIgnorePatterns: ['<rootDir>/.cache/', '<rootDir>/coverage/'],
-  globals: {
-    'ts-jest': {
-      tsconfig: '<rootDir>/tsconfig.spec.json',
-      diagnostics: false,
-      isolatedModules: true,
-    },
-  },
+  // We can play with that value later for best dev experience
+  workerIdleMemoryLimit: '500MB',
+  // add github runner specific limits
+  ...(ci && jestGithubRunnerSpecs()),
 };
 
 export default config;

lib/config/__snapshots__/index.spec.ts.snap

@@ -1,26 +1,26 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
 exports[`config/index mergeChildConfig(parentConfig, childConfig) merges 1`] = `
-Object {
+{
   "branchTopic": "lock-file-maintenance",
   "commitMessageAction": "Lock file maintenance",
   "commitMessageExtra": null,
   "commitMessageTopic": null,
   "enabled": false,
   "groupName": null,
-  "prBodyDefinitions": Object {
+  "prBodyDefinitions": {
     "Change": "All locks refreshed",
   },
   "rebaseStalePrs": true,
   "recreateClosed": true,
-  "schedule": Array [
+  "schedule": [
     "on monday",
   ],
 }
 `;
 
 exports[`config/index mergeChildConfig(parentConfig, childConfig) merges constraints 1`] = `
-Object {
+{
   "node": "<15",
   "npm": "^6.0.0",
 }

lib/config/__snapshots__/massage.spec.ts.snap

@@ -1,19 +1,19 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
 exports[`config/massage massageConfig does not massage lockFileMaintenance 1`] = `
-Object {
-  "packageRules": Array [
-    Object {
-      "lockFileMaintenance": Object {
+{
+  "packageRules": [
+    {
+      "lockFileMaintenance": {
         "enabled": true,
       },
-      "matchBaseBranches": Array [
+      "matchBaseBranches": [
         "release/ft10/1.9.x",
       ],
-      "matchManagers": Array [
+      "matchManagers": [
         "helmv3",
       ],
-      "schedule": Array [
+      "schedule": [
         "at any time",
       ],
     },
@@ -22,28 +22,28 @@ Object {
 `;
 
 exports[`config/massage massageConfig massages packageRules matchUpdateTypes 1`] = `
-Object {
-  "packageRules": Array [
-    Object {
-      "matchPackageNames": Array [
+{
+  "packageRules": [
+    {
+      "matchPackageNames": [
         "foo",
       ],
       "separateMajorMinor": false,
     },
-    Object {
-      "matchPackageNames": Array [
+    {
+      "matchPackageNames": [
         "foo",
       ],
-      "matchUpdateTypes": Array [
+      "matchUpdateTypes": [
         "minor",
       ],
       "semanticCommitType": "feat",
     },
-    Object {
-      "matchPackageNames": Array [
+    {
+      "matchPackageNames": [
         "foo",
       ],
-      "matchUpdateTypes": Array [
+      "matchUpdateTypes": [
         "patch",
       ],
       "semanticCommitType": "fix",

lib/config/__snapshots__/migrate-validate.spec.ts.snap

@@ -1,20 +1,20 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
 exports[`config/migrate-validate migrateAndValidate() handles invalid 1`] = `
-Object {
-  "errors": Array [
-    Object {
+{
+  "errors": [
+    {
       "message": "Invalid configuration option: foo",
       "topic": "Configuration Error",
     },
   ],
   "foo": "none",
-  "warnings": Array [],
+  "warnings": [],
 }
 `;
 
 exports[`config/migrate-validate migrateAndValidate() isOnboarded 1`] = `
-Object {
-  "errors": Array [],
+{
+  "errors": [],
 }
 `;