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index.test.js
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index.test.js
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/* eslint-env jest */
import fs from 'fs-extra'
import { join } from 'path'
import cheerio from 'cheerio'
import { validateAMP } from 'amp-test-utils'
import {
nextBuild,
renderViaHTTP,
findPort,
launchApp,
killApp,
nextStart,
nextExport,
} from 'next-test-utils'
const appDir = join(__dirname, '../')
const nextConfig = join(appDir, 'next.config.js')
let builtServerPagesDir
let appPort
let app
jest.setTimeout(1000 * 60 * 2)
const fsExists = (file) =>
fs
.access(file)
.then(() => true)
.catch(() => false)
const runTests = (isDev = false) => {
it('should load an amp first page correctly', async () => {
const html = await renderViaHTTP(appPort, '/amp')
if (!isDev) {
await validateAMP(html)
}
const $ = cheerio.load(html)
expect($('#use-amp').text()).toContain('yes')
})
it('should load a hybrid amp page without query correctly', async () => {
const html = await renderViaHTTP(appPort, '/hybrid')
const $ = cheerio.load(html)
expect($('#use-amp').text()).toContain('no')
expect($('#hello').text()).toContain('hello')
})
it('should load dynamic hybrid SSG/AMP page', async () => {
const html = await renderViaHTTP(appPort, '/blog/post-1')
const $ = cheerio.load(html)
expect($('#use-amp').text()).toContain('no')
expect($('#hello').text()).toContain('hello')
expect($('#slug').text()).toContain('post-1')
})
it('should load dynamic hybrid SSG/AMP page with trailing slash', async () => {
const html = await renderViaHTTP(appPort, '/blog/post-1/')
const $ = cheerio.load(html)
expect($('#use-amp').text()).toContain('no')
expect($('#hello').text()).toContain('hello')
expect($('#slug').text()).toContain('post-1')
})
it('should load dynamic hybrid SSG/AMP page with query', async () => {
const html = await renderViaHTTP(appPort, '/blog/post-1?amp=1')
const $ = cheerio.load(html)
expect($('#use-amp').text()).toContain('yes')
expect($('#hello').text()).toContain('hello')
expect($('#slug').text()).toContain('post-1')
})
it('should load a hybrid amp page with query correctly', async () => {
const html = await renderViaHTTP(appPort, '/hybrid?amp=1')
if (!isDev) {
await validateAMP(html)
}
const $ = cheerio.load(html)
expect($('#use-amp').text()).toContain('yes')
expect($('#hello').text()).toContain('hello')
})
if (!isDev) {
const builtPage = (file) => join(builtServerPagesDir, file)
it('should output prerendered files correctly during build', async () => {
expect(await fsExists(builtPage('amp.js'))).toBe(true)
expect(await fsExists(builtPage('amp.html'))).toBe(true)
expect(await fsExists(builtPage('amp.json'))).toBe(true)
expect(await fsExists(builtPage('hybrid.js'))).toBe(true)
expect(await fsExists(builtPage('hybrid.html'))).toBe(true)
expect(await fsExists(builtPage('hybrid.json'))).toBe(true)
expect(await fsExists(builtPage('hybrid.amp.js'))).toBe(false)
expect(await fsExists(builtPage('hybrid.amp.html'))).toBe(true)
expect(await fsExists(builtPage('hybrid.amp.json'))).toBe(true)
})
}
}
describe('AMP SSG Support', () => {
describe('serverless mode', () => {
beforeAll(async () => {
await fs.writeFile(
nextConfig,
`
module.exports = {
target: 'experimental-serverless-trace'
}
`
)
await nextBuild(appDir)
appPort = await findPort()
app = await nextStart(appDir, appPort)
builtServerPagesDir = join(appDir, '.next/serverless/pages')
})
afterAll(async () => {
await fs.remove(nextConfig)
await killApp(app)
})
runTests()
})
describe('server mode', () => {
beforeAll(async () => {
await nextBuild(appDir)
appPort = await findPort()
app = await nextStart(appDir, appPort)
// TODO: use browser instead to do checks that now need filesystem access
builtServerPagesDir = join(appDir, '.next', 'server', 'pages')
})
afterAll(() => killApp(app))
runTests()
})
describe('dev mode', () => {
beforeAll(async () => {
appPort = await findPort()
app = await launchApp(appDir, appPort)
})
afterAll(() => killApp(app))
runTests(true)
})
describe('export mode', () => {
let buildId
beforeAll(async () => {
await nextBuild(appDir)
await nextExport(appDir, { outdir: join(appDir, 'out') })
buildId = await fs.readFile(join(appDir, '.next/BUILD_ID'), 'utf8')
})
it('should have copied SSG files correctly', async () => {
const outFile = (file) => join(appDir, 'out', file)
expect(await fsExists(outFile('amp.html'))).toBe(true)
expect(await fsExists(outFile('index.html'))).toBe(true)
expect(await fsExists(outFile('hybrid.html'))).toBe(true)
expect(await fsExists(outFile('amp.amp.html'))).toBe(false)
expect(await fsExists(outFile('hybrid.amp.html'))).toBe(true)
expect(await fsExists(outFile('blog/post-1.html'))).toBe(true)
expect(await fsExists(outFile('blog/post-1.amp.html'))).toBe(true)
expect(
await fsExists(outFile(join('_next/data', buildId, 'amp.json')))
).toBe(true)
expect(
await fsExists(outFile(join('_next/data', buildId, 'hybrid.json')))
).toBe(true)
})
})
})