chore: migrate to vitest (manual support part)

Author: 2nofa11

package.json

@@ -7,10 +7,13 @@
   "scripts": {
     "new": "node tools/new-rule.js",
     "start": "npm run test:base -- --watch --growl",
+    "test:base": "vitest run --reporter=dot tests/lib",
     "test": "vitest run",
+    "test:integrations": "vitest run tests/integrations",
+    "debug": "vitest run --inspect --no-file-parallelism --reporter=dot tests/lib",
     "cover": "npm run cover:test && npm run cover:report",
-    "cover:test": "nyc npm run test:base -- --timeout 60000",
-    "cover:report": "nyc report --reporter=html",
+    "cover:test": "vitest run --coverage --reporter=dot tests/lib",
+    "cover:report": "echo 'HTML coverage report available at ./coverage/index.html'",
     "lint": "eslint . && markdownlint \"**/*.md\"",
     "lint:fix": "eslint . --fix && markdownlint \"**/*.md\" --fix",
     "tsc": "tsc",
@@ -24,9 +27,7 @@
     "docs:build": "vitepress build docs",
     "generate:version": "env-cmd -e version npm run update && npm run lint -- --fix",
     "changeset:version": "changeset version && npm run generate:version && git add --all",
-    "changeset:publish": "npm run typegen && changeset publish",
-    "test:watch": "vitest watch",
-    "coverage": "vitest run --coverage"
+    "changeset:publish": "npm run typegen && changeset publish"
   },
   "files": [
     "lib"
@@ -105,14 +106,13 @@
     "globals": "^15.14.0",
     "jsdom": "^22.0.0",
     "markdownlint-cli": "^0.42.0",
-    "nyc": "^17.1.0",
     "pathe": "^1.1.2",
     "prettier": "^3.3.3",
     "typescript": "^5.7.2",
     "vite-plugin-eslint4b": "^0.5.1",
     "vitepress": "^1.4.1",
     "vue-eslint-parser": "^10.0.0",
-    "vitest": "^1.0.1",
-    "@vitest/coverage-v8": "^1.0.1"
+    "vitest": "^3.2.4",
+    "@vitest/coverage-v8": "^3.2.4"
   }
-}
+}

tests/fixtures/typescript/tsconfig.json

@@ -3,4 +3,4 @@
     "strict": true,
     "skipLibCheck": true
   }
-}
+}

tests/integrations/eslint-plugin-import.js

@@ -1,4 +1,4 @@
-import { describe, it } from "vitest";
+import { beforeAll, describe, it } from "vitest";
 /**
  * @author Toru Nagashima <https://github.com/mysticatea>
  * @copyright 2017 Toru Nagashima. All rights reserved.
@@ -10,18 +10,12 @@ const cp = require('child_process')
 const path = require('path')
 const semver = require('semver')
 
+const PLUGIN_DIR = path.join(__dirname, 'eslint-plugin-import')
 const ESLINT = `.${path.sep}node_modules${path.sep}.bin${path.sep}eslint`
 
 describe('Integration with eslint-plugin-import', () => {
-  let originalCwd
-
-  before(() => {
-    originalCwd = process.cwd()
-    process.chdir(path.join(__dirname, 'eslint-plugin-import'))
-    cp.execSync('npm i', { stdio: 'inherit' })
-  })
-  after(() => {
-    process.chdir(originalCwd)
+  beforeAll(() => {
+    cp.execSync('npm i', { cwd: PLUGIN_DIR, stdio: 'inherit' })
   })
 
   // https://github.com/vuejs/eslint-plugin-vue/issues/21#issuecomment-308957697
@@ -42,6 +36,6 @@ describe('Integration with eslint-plugin-import', () => {
       return
     }
 
-    cp.execSync(`${ESLINT} a.vue`, { stdio: 'inherit' })
+    cp.execSync(`${ESLINT} a.vue`, { cwd: PLUGIN_DIR, stdio: 'inherit' })
   })
 })

tests/integrations/eslint-plugin-import/package.json

@@ -12,4 +12,4 @@
     "eslint-plugin-import": "~2.23.4",
     "eslint-plugin-vue": "file:../../.."
   }
-}
+}

tests/integrations/flat-config.js

@@ -1,23 +1,17 @@
-import { describe, it } from "vitest";
+import { beforeAll, describe, it } from "vitest";
 'use strict'
 
 const { strict: assert } = require('assert')
 const cp = require('child_process')
 const path = require('path')
 const semver = require('semver')
 
+const TARGET_DIR = path.join(__dirname, 'flat-config')
 const ESLINT = `.${path.sep}node_modules${path.sep}.bin${path.sep}eslint`
 
 describe('Integration with flat config', () => {
-  let originalCwd
-
-  before(() => {
-    originalCwd = process.cwd()
-    process.chdir(path.join(__dirname, 'flat-config'))
-    cp.execSync('npm i -f', { stdio: 'inherit' })
-  })
-  after(() => {
-    process.chdir(originalCwd)
+  beforeAll(() => {
+    cp.execSync('npm i -f', { cwd: TARGET_DIR, stdio: 'inherit' })
   })
 
   it('should lint without errors', () => {
@@ -34,6 +28,7 @@ describe('Integration with flat config', () => {
 
     const result = JSON.parse(
       cp.execSync(`${ESLINT} a.vue --format=json`, {
+        cwd: TARGET_DIR,
         encoding: 'utf8'
       })
     )

tests/integrations/flat-config/package.json

@@ -10,4 +10,4 @@
     "eslint": "^9.0.0-0",
     "eslint-plugin-vue": "file:../../.."
   }
-}
+}

tsconfig.json

@@ -33,4 +33,4 @@
     "docs/.vitepress/**/*.ts",
     "docs/.vitepress/**/*.mts"
   ]
-}
+}

vitest.config.ts

@@ -2,9 +2,23 @@
 import { configDefaults, defineConfig } from 'vitest/config';
 export default defineConfig({
   test: {
-    include: [...configDefaults.include, '**/test/*.ts'],
+    include: [...configDefaults.include, 'tests/lib/**/*.js', 'tests/integrations/**/*.js'],
+    exclude: [...configDefaults.exclude, 'tests/fixtures/**'],
     passWithNoTests: true,
-    testTimeout: 10_000,
+    testTimeout: 60_000,
+    globals: true,
+    coverage: {
+      provider: 'v8',
+      include: ['lib/**/*.js'],
+      exclude: [
+        'tests/**',
+        'dist/**',
+        'tools/**',
+        'node_modules/**'
+      ],
+      reporter: ['text', 'lcov', 'json-summary', 'html'],
+      all: true,
+      reportsDirectory: './coverage'
+    },
   },
 });
-