forked from vercel/next.js
/
index.test.ts
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/
index.test.ts
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/* eslint-env jest */
import webdriver from 'next-webdriver'
import { join } from 'path'
import { createNext, FileRef } from 'e2e-utils'
import { NextInstance } from 'test/lib/next-modes/base'
import { check, fetchViaHTTP, renderViaHTTP, waitFor } from 'next-test-utils'
import { readJson } from 'fs-extra'
function splitLines(text) {
return text
.split(/\r?\n/g)
.map((str) => str.trim())
.filter(Boolean)
}
async function testRoute(appPort, url, { isStatic, isEdge }) {
const html1 = await renderViaHTTP(appPort, url)
const renderedAt1 = +html1.match(/Time: (\d+)/)[1]
expect(html1).toContain(`Runtime: ${isEdge ? 'Edge' : 'Node.js'}`)
const html2 = await renderViaHTTP(appPort, url)
const renderedAt2 = +html2.match(/Time: (\d+)/)[1]
expect(html2).toContain(`Runtime: ${isEdge ? 'Edge' : 'Node.js'}`)
if (isStatic) {
// TODO: enable static opt tests
// Should not be re-rendered, some timestamp should be returned.
// expect(renderedAt1).toBe(renderedAt2)
} else {
// Should be re-rendered.
expect(renderedAt1).toBeLessThan(renderedAt2)
}
}
describe('Switchable runtime', () => {
let next: NextInstance
let context
if ((global as any).isNextDeploy) {
// TODO-APP: re-enable after Prerenders are handled on deploy
it('should skip for deploy temporarily', () => {})
return
}
beforeAll(async () => {
next = await createNext({
files: {
app: new FileRef(join(__dirname, './app')),
pages: new FileRef(join(__dirname, './pages')),
utils: new FileRef(join(__dirname, './utils')),
'next.config.js': new FileRef(join(__dirname, './next.config.js')),
},
dependencies: {
react: 'experimental',
'react-dom': 'experimental',
},
})
context = {
appPort: next.url,
appDir: next.testDir,
stdout: '',
stderr: '',
}
})
afterAll(() => next.destroy())
if ((global as any).isNextDev) {
describe('Switchable runtime (dev)', () => {
it('should not include edge api routes and edge ssr routes into dev middleware manifest', async () => {
const res = await fetchViaHTTP(
next.url,
`/_next/static/${next.buildId}/_devMiddlewareManifest.json`
)
const devMiddlewareManifest = await res.json()
expect(devMiddlewareManifest).toEqual([])
})
it('should sort edge SSR routes correctly', async () => {
const res = await fetchViaHTTP(next.url, `/edge/foo`)
const html = await res.text()
// /edge/foo should be caught before /edge/[id]
expect(html).toContain(`to /edge/[id]`)
})
it('should be able to navigate between edge SSR routes without any errors', async () => {
const res = await fetchViaHTTP(next.url, `/edge/foo`)
const html = await res.text()
// /edge/foo should be caught before /edge/[id]
expect(html).toContain(`to /edge/[id]`)
const browser = await webdriver(context.appPort, '/edge/foo')
await browser.waitForElementByCss('a').click()
// on /edge/[id]
await check(
() => browser.eval('document.documentElement.innerHTML'),
/to \/edge\/foo/
)
await browser.waitForElementByCss('a').click()
// on /edge/foo
await check(
() => browser.eval('document.documentElement.innerHTML'),
/to \/edge\/\[id\]/
)
expect(context.stdout).not.toContain('self is not defined')
expect(context.stderr).not.toContain('self is not defined')
})
it.skip('should support client side navigation to ssr rsc pages', async () => {
let flightRequest = null
const browser = await webdriver(context.appPort, '/node', {
beforePageLoad(page) {
page.on('request', (request) => {
return request.allHeaders().then((headers) => {
if (headers['RSC'.toLowerCase()] === '1') {
flightRequest = request.url()
}
})
})
},
})
await browser
.waitForElementByCss('#link-node-rsc-ssr')
.click()
.waitForElementByCss('.node-rsc-ssr')
await check(
() => browser.eval('document.documentElement.innerHTML'),
/This is a SSR RSC page/
)
expect(flightRequest).toContain('/node-rsc-ssr')
})
it.skip('should support client side navigation to ssg rsc pages', async () => {
const browser = await webdriver(context.appPort, '/node')
await browser
.waitForElementByCss('#link-node-rsc-ssg')
.click()
.waitForElementByCss('.node-rsc-ssg')
await check(
() => browser.eval('document.documentElement.innerHTML'),
/This is a SSG RSC page/
)
})
it.skip('should support client side navigation to static rsc pages', async () => {
const browser = await webdriver(context.appPort, '/node')
await browser
.waitForElementByCss('#link-node-rsc')
.click()
.waitForElementByCss('.node-rsc')
await check(
() => browser.eval('document.documentElement.innerHTML'),
/This is a static RSC page/
)
})
it('should not consume server.js file extension', async () => {
const { status } = await fetchViaHTTP(
context.appPort,
'/legacy-extension'
)
expect(status).toBe(404)
})
it('should build /api/hello and /api/edge as an api route with edge runtime', async () => {
let response = await fetchViaHTTP(context.appPort, '/api/hello')
let text = await response.text()
expect(text).toMatch(/Hello from .+\/api\/hello/)
response = await fetchViaHTTP(context.appPort, '/api/edge')
text = await response.text()
expect(text).toMatch(/Returned by Edge API Route .+\/api\/edge/)
if (!(global as any).isNextDeploy) {
const manifest = await readJson(
join(context.appDir, '.next/server/middleware-manifest.json')
)
expect(manifest).toMatchObject({
functions: {
'/api/hello': {
env: [],
files: [
'server/edge-runtime-webpack.js',
'server/pages/api/hello.js',
],
name: 'pages/api/hello',
page: '/api/hello',
matchers: [{ regexp: '^/api/hello$' }],
wasm: [],
},
'/api/edge': {
env: [],
files: [
'server/edge-runtime-webpack.js',
'server/pages/api/edge.js',
],
name: 'pages/api/edge',
page: '/api/edge',
matchers: [{ regexp: '^/api/edge$' }],
wasm: [],
},
},
})
}
})
it('should be possible to switch between runtimes in API routes', async () => {
await check(
() => renderViaHTTP(next.url, '/api/switch-in-dev'),
'server response'
)
// Edge
await next.patchFile(
'pages/api/switch-in-dev.js',
`
export const config = {
runtime: 'experimental-edge',
}
export default () => new Response('edge response')
`
)
await check(
() => renderViaHTTP(next.url, '/api/switch-in-dev'),
'edge response'
)
// Server
await next.patchFile(
'pages/api/switch-in-dev.js',
`
export default function (req, res) {
res.send('server response again')
}
`
)
await check(
() => renderViaHTTP(next.url, '/api/switch-in-dev'),
'server response again'
)
// Edge
await next.patchFile(
'pages/api/switch-in-dev.js',
`
export const config = {
runtime: 'experimental-edge',
}
export default () => new Response('edge response again')
`
)
await check(
() => renderViaHTTP(next.url, '/api/switch-in-dev'),
'edge response again'
)
})
it('should be possible to switch between runtimes in pages', async () => {
await check(
() => renderViaHTTP(next.url, '/switch-in-dev'),
/Hello from edge page/
)
// Server
await next.patchFile(
'pages/switch-in-dev.js',
`
export default function Page() {
return <p>Hello from server page</p>
}
`
)
await check(
() => renderViaHTTP(next.url, '/switch-in-dev'),
/Hello from server page/
)
// Edge
await next.patchFile(
'pages/switch-in-dev.js',
`
export default function Page() {
return <p>Hello from edge page again</p>
}
export const config = {
runtime: 'experimental-edge',
}
`
)
await check(
() => renderViaHTTP(next.url, '/switch-in-dev'),
/Hello from edge page again/
)
// Server
await next.patchFile(
'pages/switch-in-dev.js',
`
export default function Page() {
return <p>Hello from server page again</p>
}
`
)
await check(
() => renderViaHTTP(next.url, '/switch-in-dev'),
/Hello from server page again/
)
})
// Doesn't work, see https://github.com/vercel/next.js/pull/39327
it.skip('should be possible to switch between runtimes with same content', async () => {
const fileContent = await next.readFile(
'pages/api/switch-in-dev-same-content.js'
)
console.log({ fileContent })
await check(
() => renderViaHTTP(next.url, '/api/switch-in-dev-same-content'),
'server response'
)
// Edge
await next.patchFile(
'pages/api/switch-in-dev-same-content.js',
`
export const config = {
runtime: 'experimental-edge',
}
export default () => new Response('edge response')
`
)
await check(
() => renderViaHTTP(next.url, '/api/switch-in-dev-same-content'),
'edge response'
)
// Server - same content as first compilation of the server runtime version
await next.patchFile(
'pages/api/switch-in-dev-same-content.js',
fileContent
)
await check(
() => renderViaHTTP(next.url, '/api/switch-in-dev-same-content'),
'server response'
)
})
it('should recover from syntax error when using edge runtime', async () => {
await check(
() => renderViaHTTP(next.url, '/api/syntax-error-in-dev'),
'edge response'
)
// Syntax error
await next.patchFile(
'pages/api/syntax-error-in-dev.js',
`
export const config = {
runtime: 'experimental-edge',
}
export default => new Response('edge response')
`
)
await check(
() => renderViaHTTP(next.url, '/api/syntax-error-in-dev'),
/Unexpected token/
)
// Fix syntax error
await next.patchFile(
'pages/api/syntax-error-in-dev.js',
`
export default () => new Response('edge response again')
export const config = {
runtime: 'experimental-edge',
}
`
)
await check(
() => renderViaHTTP(next.url, '/api/syntax-error-in-dev'),
'edge response again'
)
})
it('should not crash the dev server when invalid runtime is configured', async () => {
await check(
() => renderViaHTTP(next.url, '/invalid-runtime'),
/Hello from page without errors/
)
// Invalid runtime type
await next.patchFile(
'pages/invalid-runtime.js',
`
export default function Page() {
return <p>Hello from page with invalid type</p>
}
export const config = {
runtime: 10,
}
`
)
await check(
() => renderViaHTTP(next.url, '/invalid-runtime'),
/Hello from page with invalid type/
)
expect(next.cliOutput).toInclude(
'error - The `runtime` config must be a string. Please leave it empty or choose one of:'
)
// Invalid runtime
await next.patchFile(
'pages/invalid-runtime.js',
`
export default function Page() {
return <p>Hello from page with invalid runtime</p>
}
export const config = {
runtime: "asd"
}
`
)
await check(
() => renderViaHTTP(next.url, '/invalid-runtime'),
/Hello from page with invalid runtime/
)
expect(next.cliOutput).toInclude(
'error - Provided runtime "asd" is not supported. Please leave it empty or choose one of:'
)
// Fix the runtime
await next.patchFile(
'pages/invalid-runtime.js',
`
export default function Page() {
return <p>Hello from page without errors</p>
}
export const config = {
runtime: 'experimental-edge',
}
`
)
await check(
() => renderViaHTTP(next.url, '/invalid-runtime'),
/Hello from page without errors/
)
})
})
} else {
describe('Switchable runtime (prod)', () => {
it('should build /static as a static page with the nodejs runtime', async () => {
await testRoute(context.appPort, '/static', {
isStatic: true,
isEdge: false,
})
})
it.skip('should build /node as a static page with the nodejs runtime', async () => {
await testRoute(context.appPort, '/node', {
isStatic: true,
isEdge: false,
})
})
it('should build /node-ssr as a dynamic page with the nodejs runtime', async () => {
await testRoute(context.appPort, '/node-ssr', {
isStatic: false,
isEdge: false,
})
})
it.skip('should build /node-ssg as a static page with the nodejs runtime', async () => {
await testRoute(context.appPort, '/node-ssg', {
isStatic: true,
isEdge: false,
})
})
it.skip('should build /node-rsc as a static page with the nodejs runtime', async () => {
await testRoute(context.appPort, '/node-rsc', {
isStatic: true,
isEdge: false,
})
})
// FIXME: rsc hydration
it.skip('should build /node-rsc-ssr as a dynamic page with the nodejs runtime', async () => {
await testRoute(context.appPort, '/node-rsc-ssr', {
isStatic: false,
isEdge: false,
})
})
// FIXME: rsc hydration
it.skip('should build /node-rsc-ssg as a static page with the nodejs runtime', async () => {
await testRoute(context.appPort, '/node-rsc-ssg', {
isStatic: true,
isEdge: false,
})
})
// FIXME: rsc hydration
it.skip('should build /node-rsc-isr as an isr page with the nodejs runtime', async () => {
const html1 = await renderViaHTTP(context.appPort, '/node-rsc-isr')
const renderedAt1 = +html1.match(/Time: (\d+)/)[1]
expect(html1).toContain('Runtime: Node.js')
const html2 = await renderViaHTTP(context.appPort, '/node-rsc-isr')
const renderedAt2 = +html2.match(/Time: (\d+)/)[1]
expect(html2).toContain('Runtime: Node.js')
expect(renderedAt1).toBe(renderedAt2)
// Trigger a revalidation after 3s.
await waitFor(4000)
await renderViaHTTP(context.appPort, '/node-rsc-isr')
await check(async () => {
const html3 = await renderViaHTTP(context.appPort, '/node-rsc-isr')
const renderedAt3 = +html3.match(/Time: (\d+)/)[1]
return renderedAt2 < renderedAt3
? 'success'
: `${renderedAt2} should be less than ${renderedAt3}`
}, 'success')
})
it('should build /edge as a dynamic page with the edge runtime', async () => {
await testRoute(context.appPort, '/edge', {
isStatic: false,
isEdge: true,
})
await testRoute(context.appPort, '/rewrite/edge', {
isStatic: false,
isEdge: true,
})
})
// TODO: edge rsc in app dir
it.skip('should build /edge-rsc as a dynamic page with the edge runtime', async () => {
await testRoute(context.appPort, '/edge-rsc', {
isStatic: false,
isEdge: true,
})
})
it('should build /api/hello and /api/edge as an api route with edge runtime', async () => {
let response = await fetchViaHTTP(context.appPort, '/api/hello')
let text = await response.text()
expect(text).toMatch(/Hello from .+\/api\/hello/)
response = await fetchViaHTTP(context.appPort, '/api/edge')
text = await response.text()
expect(text).toMatch(/Returned by Edge API Route .+\/api\/edge/)
// Rewrite should also work
response = await fetchViaHTTP(context.appPort, 'rewrite/api/edge')
text = await response.text()
expect(text).toMatch(/Returned by Edge API Route .+\/api\/edge/)
if (!(global as any).isNextDeploy) {
const manifest = await readJson(
join(context.appDir, '.next/server/middleware-manifest.json')
)
expect(manifest).toMatchObject({
functions: {
'/api/hello': {
env: [],
files: [
'server/edge-runtime-webpack.js',
'server/pages/api/hello.js',
],
name: 'pages/api/hello',
page: '/api/hello',
matchers: [{ regexp: '^/api/hello$' }],
wasm: [],
},
'/api/edge': {
env: [],
files: [
'server/edge-runtime-webpack.js',
'server/pages/api/edge.js',
],
name: 'pages/api/edge',
page: '/api/edge',
matchers: [{ regexp: '^/api/edge$' }],
wasm: [],
},
},
})
}
})
it.skip('should display correct tree view with page types in terminal', async () => {
const stdoutLines = splitLines(context.stdout).filter((line) =>
/^[┌├└/]/.test(line)
)
const expectedOutputLines = splitLines(`
┌ /_app
├ ○ /404
├ ℇ /api/hello
├ λ /api/node
├ ℇ /edge
├ ℇ /edge-rsc
├ ○ /node
├ ● /node-rsc
├ ● /node-rsc-isr
├ ● /node-rsc-ssg
├ λ /node-rsc-ssr
├ ● /node-ssg
├ λ /node-ssr
└ ○ /static
`)
const mappedOutputLines = expectedOutputLines.map((_line, index) => {
/** @type {string} */
const str = stdoutLines[index]
const beginningOfPath = str.indexOf('/')
const endOfPath = str.indexOf(' ', beginningOfPath)
return str.slice(0, endOfPath)
})
expect(mappedOutputLines).toEqual(expectedOutputLines)
})
// TODO: static opt
it.skip('should prefetch data for static pages', async () => {
const dataRequests = []
const browser = await webdriver(context.appPort, '/node', {
beforePageLoad(page) {
page.on('request', (request) => {
const url = request.url()
if (/\.json$/.test(url)) {
dataRequests.push(url.split('/').pop())
}
})
},
})
await browser.eval('window.beforeNav = 1')
for (const data of [
'node-rsc.json',
'node-rsc-ssg.json',
'node-rsc-isr.json',
'node-ssg.json',
]) {
expect(dataRequests).toContain(data)
}
})
it.skip('should support client side navigation to ssr rsc pages', async () => {
let flightRequest = null
const browser = await webdriver(context.appPort, '/node', {
beforePageLoad(page) {
page.on('request', (request) => {
request.allHeaders().then((headers) => {
if (headers['RSC'.toLowerCase()] === '1') {
flightRequest = request.url()
}
})
})
},
})
await browser.waitForElementByCss('#link-node-rsc-ssr').click()
expect(await browser.elementByCss('body').text()).toContain(
'This is a SSR RSC page.'
)
expect(flightRequest).toContain('/node-rsc-ssr')
})
it.skip('should support client side navigation to ssg rsc pages', async () => {
const browser = await webdriver(context.appPort, '/node')
await browser.waitForElementByCss('#link-node-rsc-ssg').click()
expect(await browser.elementByCss('body').text()).toContain(
'This is a SSG RSC page.'
)
})
it.skip('should support client side navigation to static rsc pages', async () => {
const browser = await webdriver(context.appPort, '/node')
await browser.waitForElementByCss('#link-node-rsc').click()
expect(await browser.elementByCss('body').text()).toContain(
'This is a static RSC page.'
)
})
it('should support etag header in the web server', async () => {
const res = await fetchViaHTTP(context.appPort, '/edge', '', {
headers: {
// Make sure the result is static so an etag can be generated.
'User-Agent': 'Googlebot',
},
})
expect(res.headers.get('ETag')).toBeDefined()
})
})
}
})