jest => vitest

Author: Dominik Zogg

.github/workflows/ci.yml

@@ -20,7 +20,7 @@ jobs:
         with:
           node-version: '16'
       - run: npm install
-      - run: npm test
+      - run: npm test -- --run --no-cache
   node18:
     name: Node 18
     runs-on: ubuntu-22.04
@@ -32,7 +32,7 @@ jobs:
         with:
           node-version: '18'
       - run: npm install
-      - run: npm test
+      - run: npm test -- --run --no-cache
   node20:
     name: Node 20
     runs-on: ubuntu-22.04
@@ -46,7 +46,7 @@ jobs:
       - run: npm install
       - run: npm run lint
       - run: npm run cs
-      - run: npm test -- --coverage --no-cache
+      - run: npm test -- --run --coverage --no-cache
       - run: npm run infection
         env:
           STRYKER_DASHBOARD_API_KEY: ${{ secrets.STRYKER_DASHBOARD_API_KEY }}

jest.config.cjs

@@ -13,13 +13,13 @@
   "repository": "chubbyts/chubbyts-throwable-to-error",
   "scripts": {
     "build": "node ./build.js",
-    "cs-fix": "./node_modules/prettier/bin/prettier.cjs --write src tests",
-    "cs": "./node_modules/prettier/bin/prettier.cjs --check src tests",
+    "cs-fix": "prettier --write src tests",
+    "cs": "prettier --check src tests",
     "infection": "stryker run",
     "lint-fix": "eslint src tests --fix",
     "lint": "eslint src tests",
     "prepare": "npm run build",
-    "test": "jest"
+    "test": "vitest"
   },
   "prettier": {
     "printWidth": 120,
@@ -44,16 +44,14 @@
   "dependencies": {},
   "devDependencies": {
     "@chubbyts/chubbyts-eslint": "^2.0.3",
-    "@chubbyts/chubbyts-packaging": "^2.0.6",
+    "@chubbyts/chubbyts-packaging": "^2.0.7",
     "@stryker-mutator/core": "^8.2.6",
-    "@stryker-mutator/jest-runner": "^8.2.6",
-    "@types/jest": "^29.5.12",
-    "@types/node": "^20.11.30",
-    "jest": "^29.7.0",
-    "prettier": "^3.2.5",
-    "prettier-2": "npm:prettier@^2.8.8",
-    "ts-jest": "^29.1.2",
-    "typescript": "^5.4.3"
+    "@stryker-mutator/vitest-runner": "^8.2.6",
+    "@types/node": "^20.14.2",
+    "@vitest/coverage-v8": "^1.6.0",
+    "prettier": "^3.3.2",
+    "typescript": "^5.4.5",
+    "vitest": "^1.6.0"
   },
   "publishConfig": {
     "access": "public"

package.json

@@ -1,6 +1,9 @@
 {
   "$schema": "./node_modules/@stryker-mutator/core/schema/stryker-schema.json",
-  "testRunner": "jest",
+  "testRunner": "vitest",
+  "vitest": {
+    "configFile": "vitest.config.ts"
+  },
   "coverageAnalysis": "off",
   "reporters": [
     "clear-text",

stryker.conf.json

@@ -1,7 +1,8 @@
+import { describe, expect, test } from 'vitest';
 import { throwableToError } from '../src/throwable-to-error';
 
 describe('throwableToError', () => {
-  it('do not convert', () => {
+  test('do not convert', () => {
     const error = new Error('example');
     expect(throwableToError(error)).toBe(error);
   });

tests/throwable-to-error.test.ts

@@ -0,0 +1,19 @@
+import { defineConfig } from 'vitest/config';
+
+export default defineConfig({
+  test: {
+    globals: true,
+    environment: 'node',
+    include: ['tests/**/*.test.*'],
+    coverage: {
+      all: true,
+      clean: true,
+      reporter: ['clover', ['html', { subdir: 'html' }], 'json', 'lcovonly', 'text'],
+      provider: 'v8',
+      thresholds: {
+        lines: 100,
+      },
+      include: ['src/**/*.ts'],
+    },
+  },
+});