build: migrate tests to jest (#1738)

* build: migrate tests to jest

* build: remove babel object-rest-spread plugin

* chore: rename `.eslintrc` to `.eslintrc.json`

* chore: update `.eslintrc` in the test folder too

Author: kiaking

.babelrc

@@ -1,4 +1,3 @@
 {
-  "presets": ["env"],
-  "plugins": ["transform-object-rest-spread"]
+  "presets": ["@babel/preset-env"]
 }

.eslintrc .eslintrc.json.eslintrc renamed to .eslintrc.json

@@ -1,3 +1,4 @@
+/coverage
 /docs/.vuepress/dist
 /examples/**/build.js
 /test/e2e/reports

.gitignore

@@ -1,4 +1,3 @@
-import 'babel-polyfill'
 import Vue from 'vue'
 import App from './components/App.vue'
 import store from './store'

examples/chat/app.js

@@ -1,4 +1,3 @@
-import 'babel-polyfill'
 import Vue from 'vue'
 import Counter from './Counter.vue'
 import store from './store'

examples/counter/app.js

@@ -1,4 +1,3 @@
-import 'babel-polyfill'
 import Vue from 'vue'
 import App from './components/App.vue'
 import store from './store'

examples/shopping-cart/app.js

@@ -1,4 +1,3 @@
-import 'babel-polyfill'
 import Vue from 'vue'
 import store from './store'
 import App from './components/App.vue'

examples/todomvc/app.js

@@ -0,0 +1,24 @@
+module.exports = {
+  rootDir: __dirname,
+  globals: {
+    __DEV__: true
+  },
+  moduleNameMapper: {
+    '^@/(.*)$': '<rootDir>/src/$1',
+    '^test/(.*)$': '<rootDir>/test/$1'
+  },
+  testMatch: ['<rootDir>/test/unit/**/*.spec.js'],
+  testPathIgnorePatterns: ['/node_modules/'],
+  setupFilesAfterEnv: [
+    './test/setup.js'
+  ],
+  "transform": {
+    "^.+\\.js$": "<rootDir>/node_modules/babel-jest"
+  },
+  coverageDirectory: 'coverage',
+  coverageReporters: ['json', 'lcov', 'text-summary', 'clover'],
+  collectCoverageFrom: [
+    'src/**/*.js',
+    '!src/index.cjs.js'
+  ]
+}

jest.config.js

@@ -21,10 +21,11 @@
     "build:logger": "node scripts/build-logger.js",
     "lint": "eslint src test",
     "test": "npm run lint && npm run test:types && npm run test:unit && npm run test:ssr && npm run test:e2e",
-    "test:unit": "jasmine JASMINE_CONFIG_PATH=test/unit/jasmine.json",
+    "test:unit": "jest --testPathIgnorePatterns test/e2e",
     "test:e2e": "node test/e2e/runner.js",
-    "test:ssr": "cross-env VUE_ENV=server jasmine JASMINE_CONFIG_PATH=test/unit/jasmine.json",
+    "test:ssr": "cross-env VUE_ENV=server jest --testPathIgnorePatterns test/e2e",
     "test:types": "tsc -p types/test",
+    "coverage": "jest --testPathIgnorePatterns test/e2e --coverage",
     "changelog": "conventional-changelog -p angular -i CHANGELOG.md -s",
     "release": "node scripts/release.js",
     "docs": "vuepress dev docs",
@@ -44,16 +45,15 @@
     "vue": "^2.0.0"
   },
   "devDependencies": {
+    "@babel/core": "^7.9.0",
+    "@babel/preset-env": "^7.9.5",
     "@rollup/plugin-buble": "^0.21.3",
     "@rollup/plugin-commonjs": "^11.1.0",
     "@rollup/plugin-node-resolve": "^7.1.3",
     "@rollup/plugin-replace": "^2.3.2",
     "@types/node": "^13.13.2",
-    "babel-core": "^6.22.1",
-    "babel-loader": "^7.1.2",
-    "babel-plugin-transform-object-rest-spread": "^6.23.0",
-    "babel-polyfill": "^6.22.0",
-    "babel-preset-env": "^1.5.1",
+    "babel-jest": "^25.4.0",
+    "babel-loader": "^8.1.0",
     "brotli": "^1.3.2",
     "chalk": "^4.0.0",
     "chromedriver": "^80.0.1",
@@ -66,10 +66,10 @@
     "eslint-plugin-vue-libs": "^4.0.0",
     "execa": "^4.0.0",
     "express": "^4.17.1",
-    "jasmine": "2.8.0",
-    "jasmine-core": "2.8.0",
+    "jest": "^25.4.0",
     "nightwatch": "^1.3.1",
     "nightwatch-helpers": "^1.2.0",
+    "regenerator-runtime": "^0.13.5",
     "rollup": "^2.7.2",
     "rollup-plugin-terser": "^5.3.0",
     "semver": "^7.3.2",

package.json

@@ -0,0 +1,5 @@
+{
+  "env": {
+    "jest": true
+  }
+}