Files
vue-cli/packages/@vue/cli-service/__tests__/modernMode.spec.js

165 lines
6.9 KiB
JavaScript

jest.setTimeout(50000)
const fs = require('fs-extra')
const path = require('path')
const portfinder = require('portfinder')
const createServer = require('@vue/cli-test-utils/createServer')
const { defaultPreset } = require('@vue/cli/lib/options')
const create = require('@vue/cli-test-utils/createTestProject')
const launchPuppeteer = require('@vue/cli-test-utils/launchPuppeteer')
let server, browser
test('modern mode', async () => {
const project = await create('modern-mode', defaultPreset)
const { stdout } = await project.run('vue-cli-service build')
expect(stdout).toMatch('Build complete.')
// assert correct bundle files
const files = await fs.readdir(path.join(project.dir, 'dist/js'))
expect(files.some(f => /^app\.\w{8}\.js$/.test(f))).toBe(true)
expect(files.some(f => /^app-legacy\.\w{8}\.js$/.test(f))).toBe(true)
expect(files.some(f => /^chunk-vendors\.\w{8}\.js$/.test(f))).toBe(true)
expect(files.some(f => /^chunk-vendors-legacy\.\w{8}\.js$/.test(f))).toBe(true)
// arrow function should be reserved in the modern build
const app = await project.read(`dist/js/${files.find(f => /^app\.\w{8}\.js$/.test(f))}`)
expect(app).toMatch(/=>/)
const legacyApp = await project.read(`dist/js/${files.find(f => /^app-legacy\.\w{8}\.js$/.test(f))}`)
expect(legacyApp).not.toMatch(/=>/)
// assert correct asset links
const index = await project.read('dist/index.html')
// should use <script type="module" crossorigin="use-credentials"> for modern bundle
expect(index).toMatch(/<script defer="defer" src="\/js\/chunk-vendors\.\w{8}\.js" type="module">/)
expect(index).toMatch(/<script defer="defer" src="\/js\/app\.\w{8}\.js" type="module">/)
// should use <link rel="modulepreload" crossorigin="use-credentials"> for modern bundle
// expect(index).toMatch(/<link [^>]*js\/chunk-vendors\.\w{8}\.js" rel="modulepreload" as="script">/)
// expect(index).toMatch(/<link [^>]*js\/app\.\w{8}\.js" rel="modulepreload" as="script">/)
// should use <script nomodule> for legacy bundle
expect(index).toMatch(/<script defer="defer" src="\/js\/chunk-vendors-legacy\.\w{8}\.js" nomodule>/)
expect(index).toMatch(/<script defer="defer" src="\/js\/app-legacy\.\w{8}\.js" nomodule>/)
// Test crossorigin="use-credentials"
await project.write('vue.config.js', `module.exports = { crossorigin: 'use-credentials' }`)
const { stdout: stdout2 } = await project.run('vue-cli-service build')
expect(stdout2).toMatch('Build complete.')
const index2 = await project.read('dist/index.html')
// should use <script type="module" crossorigin="use-credentials"> for modern bundle
expect(index2).toMatch(/<script defer="defer" src="\/js\/chunk-vendors\.\w{8}\.js" crossorigin="use-credentials" type="module">/)
expect(index2).toMatch(/<script defer="defer" src="\/js\/app\.\w{8}\.js" crossorigin="use-credentials" type="module">/)
// should use <link rel="modulepreload" crossorigin="use-credentials"> for modern bundle
// expect(index2).toMatch(/<link [^>]*js\/chunk-vendors\.\w{8}\.js" rel="modulepreload" as="script" crossorigin="use-credentials">/)
// expect(index2).toMatch(/<link [^>]*js\/app\.\w{8}\.js" rel="modulepreload" as="script" crossorigin="use-credentials">/)
// start server and ensure the page loads properly
const port = await portfinder.getPortPromise()
server = createServer({ root: path.join(project.dir, 'dist') })
await new Promise((resolve, reject) => {
server.listen(port, err => {
if (err) return reject(err)
resolve()
})
})
const url = `http://localhost:${port}/`
const launched = await launchPuppeteer(url)
browser = launched.browser
const page = launched.page
const getH1Text = async () => page.evaluate(() => {
return document.querySelector('h1').textContent
})
expect(await getH1Text()).toMatch('Welcome to Your Vue.js App')
})
test('should not inject the nomodule-fix script if Safari 10 is not targeted', async () => {
// the default targets already excludes safari 10
const project = await create('skip-safari-fix', defaultPreset)
const { stdout } = await project.run('vue-cli-service build')
expect(stdout).toMatch('Build complete.')
// should contain no inline scripts in the output html
const index = await project.read('dist/index.html')
expect(index).not.toMatch(/[^>]\s*<\/script>/)
// should not contain the safari-nomodule-fix bundle, either
const files = await fs.readdir(path.join(project.dir, 'dist/js'))
expect(files.some(f => /^safari-nomodule-fix\.js$/.test(f))).toBe(false)
})
test('should inject nomodule-fix script when Safari 10 support is required', async () => {
const project = await create('safari-nomodule-fix', defaultPreset)
const pkg = JSON.parse(await project.read('package.json'))
pkg.browserslist.push('safari > 10')
await project.write('package.json', JSON.stringify(pkg, null, 2))
const { stdout } = await project.run('vue-cli-service build')
expect(stdout).toMatch('Build complete.')
// should output a separate safari-nomodule-fix bundle
const files = await fs.readdir(path.join(project.dir, 'dist/js'))
expect(files.some(f => /^safari-nomodule-fix\.js$/.test(f))).toBe(true)
const index = await project.read('dist/index.html')
// should contain no inline scripts in the output html
expect(index).not.toMatch(/[^>]\s*<\/script>/)
})
test('--no-module', async () => {
const project = await create('no-module', defaultPreset)
const { stdout } = await project.run('vue-cli-service build --no-module')
expect(stdout).toMatch('Build complete.')
const index = await project.read('dist/index.html')
expect(index).not.toMatch('type="module"')
const files = await fs.readdir(path.join(project.dir, 'dist/js'))
expect(files.some(f => /-legacy.js/.test(f))).toBe(false)
})
test('should use correct hash for fallback bundles', async () => {
const project = await create('legacy-hash', defaultPreset)
const { stdout } = await project.run('vue-cli-service build')
expect(stdout).toMatch('Build complete.')
const index = await project.read('dist/index.html')
const jsFiles = (await fs.readdir(path.join(project.dir, 'dist/js'))).filter(f => f.endsWith('.js'))
for (const f of jsFiles) {
expect(index).toMatch(`<script defer="defer" src="/js/${f}"`)
}
})
test('should only build one bundle if all targets support ES module', async () => {
const project = await create('no-differential-loading', defaultPreset)
const pkg = JSON.parse(await project.read('package.json'))
pkg.browserslist.push('not ie <= 11')
await project.write('package.json', JSON.stringify(pkg, null, 2))
const { stdout } = await project.run('vue-cli-service build')
expect(stdout).toMatch('Build complete.')
const index = await project.read('dist/index.html')
expect(index).not.toMatch('type="module"')
const files = await fs.readdir(path.join(project.dir, 'dist/js'))
expect(files.some(f => /-legacy.js/.test(f))).toBe(false)
})
afterAll(async () => {
if (browser) {
await browser.close()
}
if (server) {
server.close()
}
})