feat: upgrade to jest 24 (#4868)

.gitignore

@@ -54,7 +54,3 @@ coverage
 Network Trash Folder
 Temporary Items
 .apdisk
-
-# Junit report from jest-junit
-*junit.xml
-

azure-pipelines.yml

@@ -20,15 +20,9 @@ steps:
   displayName: 'Install dependencies'
 
 - script: |
-    set JEST_JUNIT_OUTPUT=test-fixtures-junit.xml && set NODE_OPTIONS=--max_old_space_size=4096 && yarn test:fixtures -i
+    set NODE_OPTIONS=--max_old_space_size=4096 && yarn test:fixtures -i
   displayName: 'Test: Build Fixtures'
 
 - script: |
-    set JEST_JUNIT_OUTPUT=test-unit-junit.xml && set NODE_OPTIONS=--max_old_space_size=4096 && yarn test:unit -w=2
+    set NODE_OPTIONS=--max_old_space_size=4096 && yarn test:unit -w=2
   displayName: 'Test: Run unit tests'
-
-- task: PublishTestResults@2
-  inputs:
-    testResultsFormat: 'JUnit'
-    testResultsFiles: 'test-*.xml'
-  displayName: 'Publish test results to Azure Pipelines'

examples/jest-vtu-example/package.json

@@ -14,9 +14,8 @@
   "devDependencies": {
     "@babel/core": "^7.1.2",
     "@vue/test-utils": "^1.0.0-beta.25",
-    "babel-core": "^7.0.0-bridge.0",
+    "babel-jest": "^24.0.0",
-    "babel-jest": "^23.6.0",
+    "jest": "^24.0.0",
-    "jest": "^23.6.0",
     "jest-serializer-vue": "^2.0.2",
     "vue-jest": "^3.0.2"
   },

jest.config.js

@@ -9,8 +9,7 @@ module.exports = {
   // But its performance overhead is pretty bad (30+%).
   // detectOpenHandles: true
 
-  // setupFilesAfterEnv: ['./test/utils/setup'],
+  setupFilesAfterEnv: ['./test/utils/setup'],
-  setupTestFrameworkScriptFile: './test/utils/setup',
 
   coverageDirectory: './coverage',
 
@@ -36,16 +35,12 @@ module.exports = {
   transform: {
     '^.+\\.ts$': 'ts-jest',
     '^.+\\.js$': 'babel-jest',
-    '.*\\.(vue)$': 'vue-jest'
+    '^.+\\.vue$': 'vue-jest'
   },
 
   moduleFileExtensions: [
     'ts',
     'js',
     'json'
-  ],
+  ]
-
-  reporters: [
-    'default'
-  ].concat(process.env.JEST_JUNIT_OUTPUT ? ['jest-junit'] : [])
 }

package.json

@@ -30,9 +30,8 @@
     "@nuxtjs/eslint-config": "^0.0.1",
     "@vue/server-test-utils": "^1.0.0-beta.29",
     "@vue/test-utils": "^1.0.0-beta.29",
-    "babel-core": "^7.0.0-bridge",
     "babel-eslint": "^10.0.1",
-    "babel-jest": "^23.6.0",
+    "babel-jest": "^24.1.0",
     "babel-plugin-dynamic-import-node": "^2.2.0",
     "cheerio": "^1.0.0-rc.2",
     "codecov": "^3.1.0",
@@ -56,8 +55,7 @@
     "get-port": "^4.1.0",
     "glob": "^7.1.3",
     "is-wsl": "^1.1.0",
-    "jest": "^23.6.0",
+    "jest": "^24.1.0",
-    "jest-junit": "^6.2.1",
     "jsdom": "^13.2.0",
     "klaw-sync": "^6.0.0",
     "lerna": "3.11.1",
@@ -82,7 +80,7 @@
     "ts-loader": "^5.3.3",
     "tslint": "^5.12.1",
     "typescript": "^3.3.3",
-    "vue-jest": "^3.0.3",
+    "vue-jest": "^4.0.0-0",
     "vue-property-decorator": "^7.3.0"
   },
   "repository": {

test/unit/sockets.test.js

@@ -1,11 +1,9 @@
 import { loadFixture, Nuxt } from '../utils'
 
-let nuxt = null
-
 describe.posix('basic sockets', () => {
   test('/', async () => {
     const options = await loadFixture('sockets')
-    nuxt = new Nuxt(options)
+    const nuxt = new Nuxt(options)
     await nuxt.server.listen()
 
     const { html } = await nuxt.server.renderRoute('/')