test: refactor cli integration tests (#6537)

jest.config.js

@@ -1,3 +1,8 @@
+const fs = require('fs')
+const path = require('path')
+
+const corePackages = fs.readdirSync(path.resolve(__dirname, 'packages'))
+
 module.exports = {
   testEnvironment: 'node',
 
@@ -48,6 +53,10 @@ module.exports = {
     'json'
   ],
 
+  moduleNameMapper: {
+    [`@nuxt/(${corePackages.join('|')})(/?.*)$`]: '<rootDir>/packages/$1/src/$2'
+  },
+
   reporters: [
     'default',
     ['jest-junit', { outputDirectory: 'reports/junit' }]

packages/cli/src/index.js

@@ -1,10 +1,12 @@
-import * as _commands from './commands'
-import * as _imports from './imports'
-import * as _options from './options'
+import * as commands from './commands'
+import * as imports from './imports'
+import * as options from './options'
 
-export const commands = _commands
-export const imports = _imports
-export const options = _options
+export {
+  commands,
+  imports,
+  options
+}
 
 export { default as NuxtCommand } from './command'
 export { default as setup } from './setup'

test/fixtures/cli/cli.build.config.js

@@ -1,11 +1,17 @@
+import consola from 'consola'
+
 export default {
   test: true,
+  mode: 'spa',
   hooks (hook) {
     hook('build:done', () => {
-      process.stdout.write('Compiled successfully')
+      consola.log('Compiled successfully')
     })
     hook('listen', (server, { port, host }) => {
-      process.stdout.write(`Listening on http://${host}:${port}`)
+      consola.log(`Listening on http://${host}:${port}`)
     })
+  },
+  build: {
+    terser: false
   }
 }

test/fixtures/cli/cli.build.test.js

@@ -1,21 +1,20 @@
-import { exec } from 'child_process'
-import { resolve } from 'path'
-import { promisify } from 'util'
-
-const execify = promisify(exec)
-const rootDir = __dirname
-const nuxtBin = resolve(__dirname, '../../../packages/cli/bin/nuxt.js')
+import { NuxtCommand, commands } from '@nuxt/cli'
+import consola from 'consola'
 
 describe('cli build', () => {
-  test.skip('nuxt build', async () => {
-    const { stdout } = await execify(`node -r esm ${nuxtBin} build ${rootDir} -c cli.build.config.js`)
+  test('nuxt build', async () => {
+    const buildCommand = await commands.default('build')
 
-    expect(stdout.includes('Compiled successfully')).toBe(true)
-  }, 80000)
+    const argv = [
+      __dirname,
+      '--no-force-exit',
+      '-c',
+      'cli.build.config.js'
+    ]
 
-  test.skip('nuxt build -> error config', async () => {
-    await expect(execify(`node -r esm ${nuxtBin} build ${rootDir} -c config.js`)).rejects.toMatchObject({
-      stderr: expect.stringContaining('Could not load config file: config.js')
-    })
+    const cmd = new NuxtCommand(buildCommand, argv)
+    await expect(cmd.run()).resolves.toBeUndefined()
+
+    expect(consola.log).toBeCalledWith('Compiled successfully')
   })
 })

test/fixtures/cli/cli.gen.config.js

@@ -1,3 +1,5 @@
+import consola from 'consola'
+
 export default {
   test: true,
   buildDir: '.nuxt-generate/build',
@@ -7,10 +9,13 @@ export default {
   hooks (hook) {
     hook('generate:done', (generator, errors) => {
       if (!errors || errors.length === 0) {
-        process.stdout.write('Generated successfully')
+        consola.log('Generated successfully')
       } else {
-        process.stderr.write('Generated failed')
+        consola.log('Generated failed')
       }
     })
+  },
+  build: {
+    terser: false
   }
 }

test/fixtures/cli/cli.gen.test.js

@@ -1,15 +1,20 @@
-import { exec } from 'child_process'
-import { resolve } from 'path'
-import { promisify } from 'util'
-
-const execify = promisify(exec)
-const rootDir = __dirname
-const nuxtBin = resolve(__dirname, '../../../packages/cli/bin/nuxt.js')
+import { NuxtCommand, commands } from '@nuxt/cli'
+import consola from 'consola'
 
 describe('cli generate', () => {
-  test.skip('nuxt generate', async () => {
-    const { stdout } = await execify(`node -r esm ${nuxtBin} generate ${rootDir} -c cli.gen.config.js`)
+  test('nuxt generate', async () => {
+    const generateCommand = await commands.default('generate')
 
-    expect(stdout.includes('Generated successfully')).toBe(true)
-  }, 80000)
+    const argv = [
+      __dirname,
+      '--no-force-exit',
+      '-c',
+      'cli.gen.config.js'
+    ]
+
+    const cmd = new NuxtCommand(generateCommand, argv)
+    await expect(cmd.run()).resolves.toBeUndefined()
+
+    expect(consola.log).toBeCalledWith('Generated successfully')
+  })
 })