layout unit tests

package.json

@@ -10,6 +10,7 @@
     "precommit": "lint-staged"
   },
   "jest": {
+    "testMatch": ["<rootDir>/test/**/*.js"],
     "testEnvironment": "node",
     "testPathIgnorePatterns": [
       "/node_modules/",

packages/@vue/cli-service/lib/util.js

@@ -1,5 +0,0 @@
-const path = require('path')
-
-exports.ownDir = function (...args) {
-  return path.join(__dirname, '../', ...args)
-}

packages/@vue/cli-shared-utils/index.js

@@ -4,6 +4,14 @@ const { execSync } = require('child_process')
 const padStart = require('string.prototype.padstart')
 const { logWithSpinner, stopSpinner } = require('./spinner')
 
+const wrapForTest = fn => {
+  return (...args) => {
+    if (!process.env.VUE_CLI_TEST) {
+      return fn.apply(null, args)
+    }
+  }
+}
+
 const format = (label, msg) => {
   return msg.split('\n').map((line, i) => {
     return i === 0
@@ -15,6 +23,8 @@ const format = (label, msg) => {
 exports.logWithSpinner = logWithSpinner
 exports.stopSpinner = stopSpinner
 
+exports.log = msg => console.log(msg || '')
+
 exports.info = msg => {
   console.log(format(chalk.bgBlue.black(' INFO '), msg))
 }
@@ -27,7 +37,7 @@ exports.warn = msg => {
   console.warn(format(chalk.bgYellow.black(' WARN '), chalk.yellow(msg)))
 }
 
-exports.error = (msg) => {
+exports.error = msg => {
   console.error(format(chalk.bgRed(' ERROR '), chalk.red(msg)))
   if (msg instanceof Error) {
     console.error(msg.stack)
@@ -46,6 +56,11 @@ exports.clearConsole = title => {
   }
 }
 
+// wrap all log utils for tests
+Object.keys(exports).forEach(key => {
+  exports[key] = wrapForTest(exports[key])
+})
+
 exports.hasYarn = (() => {
   try {
     execSync('yarnpkg --version', { stdio: 'ignore' })

packages/@vue/cli/lib/Creator.js

@@ -19,6 +19,7 @@ const {
 } = require('./options')
 
 const {
+  log,
   hasGit,
   hasYarn,
   logWithSpinner,
@@ -135,14 +136,14 @@ module.exports = class Creator {
 
     // log instructions
     stopSpinner()
-    console.log()
-    console.log(`🎉  Successfully created project ${chalk.yellow(name)}.`)
-    console.log(
+    log()
+    log(`🎉  Successfully created project ${chalk.yellow(name)}.`)
+    log(
       `👉  Get started with the following commands:\n\n` +
       chalk.cyan(` ${chalk.gray('$')} cd ${name}\n`) +
       chalk.cyan(` ${chalk.gray('$')} ${options.packageManager === 'yarn' ? 'yarn dev' : 'npm run dev'}`)
     )
-    console.log()
+    log()
   }
 
   resolveIntroPrompts () {

test/unit/Creator.js

@@ -1,3 +1,3 @@
 it('should pass', () => {
-  expect(1).toBe(1)
+
 })

test/unit/Generator.js

@@ -0,0 +1,3 @@
+it('should pass', () => {
+
+})

test/unit/GeneratorAPI.js

@@ -0,0 +1,3 @@
+it('should pass', () => {
+
+})

test/unit/PluginAPI.js

@@ -0,0 +1,3 @@
+it('should pass', () => {
+
+})

test/unit/PromptModuleAPI.js

@@ -0,0 +1,3 @@
+it('should pass', () => {
+
+})

test/unit/Service.js

@@ -0,0 +1,3 @@
+it('should pass', () => {
+
+})

test/unit/options.js

@@ -0,0 +1,3 @@
+it('should pass', () => {
+
+})