Replace jest with vitest

Author: vladshcherbin

package.json

@@ -13,7 +13,7 @@
     "lint": "eslint src tests",
     "postpublish": "yarn clean",
     "prepublishOnly": "yarn lint && yarn test && yarn clean && yarn build",
-    "test": "jest"
+    "test": "vitest"
   },
   "dependencies": {
     "del": "^8.0.0"

tests/index.test.js

@@ -0,0 +1,142 @@
+import { ensureFile, pathExists, remove } from 'fs-extra'
+import { setTimeout } from 'node:timers/promises'
+import { replaceInFile } from 'replace-in-file'
+import { rollup, watch } from 'rollup'
+import { afterEach, beforeEach, describe, expect, test, vi } from 'vitest'
+import del, { type Options } from '../src/index.js'
+
+process.chdir('tests/sample')
+
+async function build(options?: Options) {
+  await rollup({
+    input: 'src/index.js',
+    plugins: [
+      del(options)
+    ]
+  })
+}
+
+beforeEach(async () => {
+  await ensureFile('dist/app.js')
+  await ensureFile('dist/app.css')
+})
+
+afterEach(async () => {
+  await remove('dist')
+})
+
+describe('Targets', () => {
+  test('Empty', async () => {
+    await build()
+
+    expect(await pathExists('dist/app.js')).toBe(true)
+    expect(await pathExists('dist/app.css')).toBe(true)
+  })
+
+  test('Files', async () => {
+    await build({
+      targets: 'dist/*.{js,css}'
+    })
+
+    expect(await pathExists('dist')).toBe(true)
+    expect(await pathExists('dist/app.js')).toBe(false)
+    expect(await pathExists('dist/app.css')).toBe(false)
+  })
+
+  test('Folders', async () => {
+    await build({
+      targets: 'dist'
+    })
+
+    expect(await pathExists('dist')).toBe(false)
+  })
+})
+
+describe('Options', () => {
+  const log = vi.spyOn(console, 'log').mockImplementation(() => null)
+
+  afterEach(() => {
+    vi.spyOn(console, 'log').mockClear()
+  })
+
+  test('Verbose', async () => {
+    await build({
+      targets: 'dist',
+      verbose: true
+    })
+
+    expect(await pathExists('dist')).toBe(false)
+    expect(log).toHaveBeenCalledTimes(2)
+    expect(log).toHaveBeenCalledWith('Deleted files and folders: 1')
+    expect(log).toHaveBeenCalledWith(`${__dirname}/sample/dist`)
+  })
+
+  test('Verbose, no targets', async () => {
+    await build({
+      targets: 'build',
+      verbose: true
+    })
+
+    expect(await pathExists('dist')).toBe(true)
+    expect(log).toHaveBeenCalledTimes(1)
+    expect(log).toHaveBeenCalledWith('Deleted files and folders: 0')
+  })
+
+  test('DryRun', async () => {
+    await build({
+      dryRun: true,
+      targets: 'dist'
+    })
+
+    expect(await pathExists('dist')).toBe(true)
+    expect(log).toHaveBeenCalledTimes(2)
+    expect(log).toHaveBeenCalledWith('Expected files and folders to be deleted: 1')
+    expect(log).toHaveBeenCalledWith(`${__dirname}/sample/dist`)
+  })
+
+  test('Run once', async () => {
+    expect(await pathExists('dist/app.js')).toBe(true)
+
+    const watcher = watch({
+      input: 'src/index.js',
+      output: {
+        dir: 'dist',
+        format: 'es'
+      },
+      plugins: [
+        del({
+          runOnce: true,
+          targets: 'dist'
+        })
+      ]
+    })
+
+    await setTimeout(100)
+
+    expect(await pathExists('dist/app.js')).toBe(false)
+    expect(await pathExists('dist/index.js')).toBe(true)
+
+    await ensureFile('dist/app.js')
+
+    expect(await pathExists('dist/app.js')).toBe(true)
+
+    await replaceInFile({
+      files: 'src/index.js',
+      from: /hey/g,
+      to: 'ho'
+    })
+
+    await setTimeout(100)
+
+    expect(await pathExists('dist/app.js')).toBe(true)
+    expect(await pathExists('dist/index.js')).toBe(true)
+
+    await watcher.close()
+
+    await replaceInFile({
+      files: 'src/index.js',
+      from: /ho/g,
+      to: 'hey'
+    })
+  })
+})