98 lines
2.6 KiB
JavaScript
98 lines
2.6 KiB
JavaScript
/* eslint-env jest */
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/* global jasmine */
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import cheerio from 'cheerio'
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import fs from 'fs-extra'
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import {
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findPort,
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killApp,
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launchApp,
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nextBuild,
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nextStart,
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renderViaHTTP,
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} from 'next-test-utils'
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import { join } from 'path'
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jasmine.DEFAULT_TIMEOUT_INTERVAL = 1000 * 60 * 2
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const appDir = join(__dirname, '..')
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const appPage = join(appDir, 'pages/_app.js')
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const indexPage = join(appDir, 'pages/index.js')
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let app
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let appPort
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let indexPageContent
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const runTests = isDev => {
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const getData = async () => {
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if (isDev) {
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appPort = await findPort()
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app = await launchApp(appDir, appPort)
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} else {
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const { code } = await nextBuild(appDir)
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if (code !== 0) throw new Error(`build faild, exit code: ${code}`)
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appPort = await findPort()
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app = await nextStart(appDir, appPort)
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}
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const html = await renderViaHTTP(appPort, '/')
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await killApp(app)
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const $ = cheerio.load(html)
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return JSON.parse($('#__NEXT_DATA__').text())
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}
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it('should not have gip or appGip in NEXT_DATA for page without getInitialProps', async () => {
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const data = await getData()
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expect(data.gip).toBe(undefined)
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expect(data.appGip).toBe(undefined)
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})
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it('should have gip in NEXT_DATA for page with getInitialProps', async () => {
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indexPageContent = await fs.readFile(indexPage, 'utf8')
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await fs.writeFile(
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indexPage,
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`
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const Page = () => 'hi'
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Page.getInitialProps = () => ({ hello: 'world' })
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export default Page
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`
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)
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const data = await getData()
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expect(data.gip).toBe(true)
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})
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it('should have gip and appGip in NEXT_DATA for page with getInitialProps and _app with getInitialProps', async () => {
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await fs.writeFile(
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appPage,
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`
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const App = ({ Component, pageProps }) => <Component {...pageProps} />
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App.getInitialProps = async (ctx) => {
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let pageProps = {}
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if (ctx.Component.getInitialProps) {
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pageProps = await ctx.Component.getInitialProps(ctx.ctx)
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}
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return { pageProps }
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}
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export default App
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`
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)
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const data = await getData()
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expect(data.gip).toBe(true)
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expect(data.appGip).toBe(true)
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})
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it('should only have appGip in NEXT_DATA for page without getInitialProps and _app with getInitialProps', async () => {
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await fs.writeFile(indexPage, indexPageContent)
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const data = await getData()
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await fs.remove(appPage)
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expect(data.gip).toBe(undefined)
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expect(data.appGip).toBe(true)
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})
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}
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describe('gip identifiers', () => {
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describe('dev mode', () => {
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runTests(true)
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})
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describe('production mode', () => {
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runTests()
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})
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})
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