refactor: move to vitest

Signed-off-by: Innei <tukon479@gmail.com>

jest.config.js

@@ -1,35 +0,0 @@
-/* eslint-disable @typescript-eslint/no-var-requires */
-const { pathsToModuleNameMapper } = require('ts-jest')
-// In the following statement, replace `./tsconfig` with the path to your `tsconfig` file
-// which contains the path mapping (ie the `compilerOptions.paths` option):
-const { compilerOptions } = require('./tsconfig.json')
-
-module.exports = {
-  moduleFileExtensions: ['js', 'json', 'ts'],
-  rootDir: '.',
-  testRegex: '.*\\.spec\\.ts$',
-
-  collectCoverageFrom: ['**/*.(t|j)s'],
-  coverageDirectory: '../coverage',
-  extensionsToTreatAsEsm: ['.ts'],
-  preset: 'ts-jest',
-  testEnvironment: 'node',
-  globals: {
-    'ts-jest': {
-      useESM: true,
-      tsconfig: './test/tsconfig.json',
-    },
-    isDev: process.env.NODE_ENV === 'development',
-  },
-  setupFiles: ['./test-setup.js'],
-  moduleNameMapper: {
-    ...pathsToModuleNameMapper(compilerOptions.paths, { prefix: '<rootDir>/' }),
-
-    '^src/(.*)$': '<rootDir>/src/$1',
-    '^test/(.*)$': '<rootDir>/test/$1',
-    '^src$': '<rootDir>/src',
-    '^~/(.*)$': '<rootDir>/src/$1',
-    '^~$': '<rootDir>/src',
-    '^test$': '<rootDir>/test',
-  },
-}

package.json

@@ -43,12 +43,7 @@
     "prod:pm2": "cross-env NODE_ENV=production pm2 restart ecosystem.config.js",
     "prod:stop": "pm2 stop ecosystem.config.js",
     "prod:debug": "cross-env NODE_ENV=production nest start --debug --watch",
-    "test": "jest",
-    "test:watch": "jest --watch",
-    "test:cov": "jest --coverage",
-    "test:debug": "node --inspect-brk -r tsconfig-paths/register -r ts-node/register node_modules/.bin/jest --runInBand",
-    "test:e2e": "jest --config ./test/jest-e2e.js",
-    "test:all": "jest --config ./test/jest-e2e.js && jest",
+    "test": "NODE_ENV=development vitest -w",
     "docs": "npx @compodoc/compodoc -p tsconfig.json -s -d docs",
     "changelog": "conventional-changelog -p angular -i CHANGELOG.md -s"
   },
@@ -145,6 +140,7 @@
     "@nestjs/cli": "9.1.2",
     "@nestjs/schematics": "9.0.3",
     "@nestjs/testing": "9.0.11",
+    "@swc/core": "1.3.0",
     "@types/babel__core": "7.1.19",
     "@types/bcrypt": "5.0.0",
     "@types/cache-manager": "4.0.2",
@@ -152,7 +148,6 @@
     "@types/ejs": "3.1.1",
     "@types/fs-extra": "9.0.13",
     "@types/get-image-colors": "4.0.1",
-    "@types/jest": "29.0.1",
     "@types/js-yaml": "4.0.5",
     "@types/lodash": "4.14.185",
     "@types/marked": "4.0.7",
@@ -171,15 +166,19 @@
     "eslint-plugin-unused-imports": "2.0.0",
     "husky": "8.0.1",
     "ioredis": "5.2.3",
-    "jest": "29.0.3",
     "lint-staged": "13.0.3",
     "prettier": "2.7.1",
     "rimraf": "3.0.2",
+    "rollup": "*",
+    "rollup-plugin-swc": "0.2.1",
     "socket.io": "*",
-    "ts-jest": "28.0.8",
     "ts-node": "10.9.1",
     "tsconfig-paths": "4.1.0",
-    "typescript": "4.7.4"
+    "typescript": "4.7.4",
+    "vite": "3.1.0",
+    "vite-tsconfig-paths": "3.5.0",
+    "vitest": "0.23.2",
+    "zx": "7.0.8"
   },
   "optionalDependencies": {
     "mongodb-memory-server": "8.9.1",

src/common/decorator/api-controller.decorator.ts

@@ -1,6 +1,7 @@
 import { Controller, ControllerOptions } from '@nestjs/common'
 
 import { API_VERSION } from '~/app.config'
+import { isDev } from '~/global/env.global'
 
 export const apiRoutePrefix = isDev ? '' : `/api/v${API_VERSION}`
 export const ApiController: (

src/common/decorator/openapi.decorator.ts

@@ -1,5 +1,7 @@
 import { ApiTags } from '@nestjs/swagger'
 
+import { isDev } from '~/global/env.global'
+
 export const ApiName: ClassDecorator = (target) => {
   if (!isDev) {
     return

test-setup.js

@@ -1,9 +0,0 @@
-const { registerGlobals } = require('zx-cjs')
-registerGlobals()
-const globals = { consola: console, isDev: true, cwd: process.cwd() }
-
-for (const key in globals) {
-  global[key] = globals[key]
-}
-
-process.env.TEST = true

test/global.d.ts

@@ -1,6 +1,7 @@
 import { Consola } from 'consola'
 import { Document, PaginateModel } from 'mongoose'
 
+import 'vitest/globals'
 import 'zx-cjs/globals'
 
 import { ModelType } from '@typegoose/typegoose/lib/types'

test/jest-e2e.js

@@ -1,6 +0,0 @@
-module.exports = {
-  ...require('../jest.config'),
-  rootDir: '..',
-  testEnvironment: 'node',
-  testRegex: '.e2e-spec.ts$',
-}

test/setup-global.ts

@@ -0,0 +1 @@
+export {}

test/setup.ts

@@ -0,0 +1,7 @@
+import { register } from '~/global/index.global'
+
+export async function setup() {
+  await register()
+}
+
+export async function teardown() {}

test/setupFiles/add-something-to-global.ts

@@ -0,0 +1,16 @@
+// @ts-nocheck
+import { beforeAll } from 'vitest'
+
+import 'zx/globals'
+
+beforeAll(async () => {
+  await import('zx/globals')
+
+  global.isDev = true
+  global.cwd = process.cwd()
+})
+
+beforeEach(() => {
+  global.isDev = true
+  global.cwd = process.cwd()
+})

test/src/modules/auth/auth.service.spec.ts

@@ -1,3 +1,5 @@
+import { vi } from 'vitest'
+
 import { Test } from '@nestjs/testing'
 
 import { AuthService } from '~/modules/auth/auth.service'
@@ -31,8 +33,8 @@ describe('Test AuthService', () => {
         {
           provide: getModelToken(UserModel.name),
           useValue: {
-            findById: jest.fn().mockReturnValue({
-              select: jest.fn().mockResolvedValue({
+            findById: vi.fn().mockReturnValue({
+              select: vi.fn().mockResolvedValue({
                 ...mockUser,
               }),
             }),

test/src/modules/configs/configs.service.spec.ts

@@ -1,5 +1,6 @@
 import { dbHelper } from 'test/helper/db-mock.helper'
 import { MockCacheService, redisHelper } from 'test/helper/redis-mock.helper'
+import { vi } from 'vitest'
 
 import { BadRequestException } from '@nestjs/common'
 import { Test } from '@nestjs/testing'
@@ -24,8 +25,9 @@ describe('Test ConfigsService', () => {
     await dbHelper.close()
     await (await redisHelper).close()
   })
+
   const optionModel = getModelForClass(OptionModel)
-  const mockEmitFn = jest.fn()
+  const mockEmitFn = vi.fn()
   beforeAll(async () => {
     const { CacheService: redisService$ } = await redisHelper
 

test/src/modules/markdown/markdown.service.spec.ts

@@ -1,3 +1,5 @@
+import { vi } from 'vitest'
+
 import { Test } from '@nestjs/testing'
 
 import { CategoryModel } from '~/modules/category/category.model'
@@ -19,33 +21,33 @@ describe('test Markdown Service', () => {
         MarkdownService,
         {
           provide: getModelToken(CategoryModel.name),
-          useValue: jest.fn(),
+          useValue: vi.fn(),
         },
         {
           provide: getModelToken(PostModel.name),
-          useValue: jest.fn(),
+          useValue: vi.fn(),
         },
         {
           provide: getModelToken(NoteModel.name),
-          useValue: jest.fn(),
+          useValue: vi.fn(),
         },
         {
           provide: getModelToken(PageModel.name),
-          useValue: jest.fn(),
+          useValue: vi.fn(),
         },
         {
           provide: AssetService,
-          useValue: jest.fn(),
+          useValue: vi.fn(),
         },
         {
           provide: DatabaseService,
-          useValue: jest.fn(),
+          useValue: vi.fn(),
         },
 
         {
           provide: TextMacroService,
           useValue: {
-            replaceTextMacro: jest.fn(),
+            replaceTextMacro: vi.fn(),
           },
         },
       ],

test/src/modules/serverless/serverless.service.spec.ts

@@ -38,7 +38,9 @@ describe('test serverless function service', () => {
 
         {
           provide: getModelToken('SnippetModel'),
-          useValue: getModelForClass(SnippetModel),
+          useValue: getModelForClass(SnippetModel, {
+            existingConnection: connection.connection,
+          }),
         },
       ],
     })

vitest.config.ts

@@ -0,0 +1,70 @@
+import { resolve } from 'path'
+import swc from 'rollup-plugin-swc'
+import tsconfigPath from 'vite-tsconfig-paths'
+import { defineConfig } from 'vitest/config'
+
+const swcPlugin = (() => {
+  const plugin = swc({
+    test: 'ts',
+    jsc: {
+      parser: {
+        syntax: 'typescript',
+        dynamicImport: true,
+        decorators: true,
+      },
+      target: 'es2021',
+      transform: {
+        decoratorMetadata: true,
+      },
+    },
+  })
+
+  const originalTransform = plugin.transform!
+
+  const transform = function (...args: Parameters<typeof originalTransform>) {
+    if (!args[1].endsWith('html')) return originalTransform.apply(this, args)
+  }
+
+  return { ...plugin, transform }
+})()
+
+export default defineConfig({
+  root: './test',
+  test: {
+    include: ['**/*.spec.ts', '**/*.e2e-spec.ts'],
+
+    threads: false,
+    globals: true,
+    globalSetup: [resolve(__dirname, './test/setup.ts')],
+    setupFiles: [resolve(__dirname, './test/setup-global.ts')],
+    environment: 'node',
+    includeSource: [resolve(__dirname, './test')],
+  },
+  resolve: {
+    alias: {
+      'zx-cjs': 'zx',
+    },
+  },
+
+  // esbuild can not emit ts metadata
+  esbuild: false,
+
+  plugins: [
+    swcPlugin,
+    tsconfigPath({
+      projects: [
+        resolve(__dirname, './test/tsconfig.json'),
+        resolve(__dirname, './tsconfig.json'),
+      ],
+    }),
+
+    {
+      name: 'a-vitest-plugin-that-changes-config',
+      config: () => ({
+        test: {
+          setupFiles: ['./setupFiles/add-something-to-global.ts'],
+        },
+      }),
+    },
+  ],
+})