Files
vue-cli/packages/@vue/cli-plugin-pwa/__tests__/pwaPlugin.spec.js
2018-01-11 20:43:26 -05:00

71 lines
2.6 KiB
JavaScript

jest.setTimeout(30000)
const path = require('path')
const portfinder = require('portfinder')
const { createServer } = require('http-server')
const { defaults } = 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('pwa', async () => {
// it's ok to mutate here since jest loads each test in a separate vm
defaults.plugins['@vue/cli-plugin-pwa'] = {}
const project = await create('pwa-build', defaults)
expect(project.has('src/registerServiceWorker.js')).toBe(true)
const { stdout } = await project.run('vue-cli-service build')
expect(stdout).toMatch('Build complete.')
expect(project.has('dist/index.html')).toBe(true)
expect(project.has('dist/favicon.ico')).toBe(true)
expect(project.has('dist/js')).toBe(true)
expect(project.has('dist/css')).toBe(true)
// PWA specific files
expect(project.has('dist/manifest.json')).toBe(true)
expect(project.has('dist/img/icons/android-chrome-512x512.png')).toBe(true)
// Make sure the base preload/prefetch are not affected
const index = await project.read('dist/index.html')
// should split and preload app.js & vendor.js
expect(index).toMatch(/<link rel=preload [^>]+app[^>]+\.js>/)
expect(index).toMatch(/<link rel=preload [^>]+vendor[^>]+\.js>/)
// should not preload manifest because it's inlined
expect(index).not.toMatch(/<link rel=preload [^>]+manifest[^>]+\.js>/)
// should inline manifest and wepback runtime
expect(index).toMatch('webpackJsonp')
// PWA specific directives
expect(index).toMatch(`<link rel=manifest href=/manifest.json>`)
expect(index).toMatch(`<!--[if IE]><link rel="shortcut icon" href="/favicon.ico"><![endif]-->`)
expect(index).toMatch(`<meta name=apple-mobile-web-app-capable content=yes>`)
// should import service worker script
const main = await project.read('src/main.js')
expect(main).toMatch(`import './registerServiceWorker'`)
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 launched = await launchPuppeteer(`http://localhost:${port}/`)
browser = launched.browser
await new Promise(r => setTimeout(r, 500))
const logs = launched.logs
expect(logs.some(msg => msg.match(/Content has been cached for offline use/))).toBe(true)
expect(logs.some(msg => msg.match(/App is being served from cache by a service worker/))).toBe(true)
})
afterAll(async () => {
await browser.close()
server.close()
})