159 lines
4.6 KiB
TypeScript
159 lines
4.6 KiB
TypeScript
/* eslint-env jest */
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import path from 'path'
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import cheerio from 'cheerio'
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import { check, withQuery } from 'next-test-utils'
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import { createNextDescribe, FileRef } from 'e2e-utils'
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import type { Response } from 'node-fetch'
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createNextDescribe(
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'app-dir with middleware',
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{
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files: __dirname,
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skipDeployment: true,
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},
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({ next }) => {
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it('should filter correctly after middleware rewrite', async () => {
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const browser = await next.browser('/start')
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await browser.eval('window.beforeNav = 1')
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await browser.eval('window.next.router.push("/rewrite-to-app")')
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await check(async () => {
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return browser.eval('document.documentElement.innerHTML')
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}, /app-dir/)
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})
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describe.each([
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{
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title: 'Serverless Functions',
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path: '/api/dump-headers-serverless',
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toJson: (res: Response) => res.json(),
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},
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{
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title: 'Edge Functions',
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path: '/api/dump-headers-edge',
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toJson: (res: Response) => res.json(),
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},
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{
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title: 'next/headers',
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path: '/headers',
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toJson: async (res: Response) => {
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const $ = cheerio.load(await res.text())
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return JSON.parse($('#headers').text())
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},
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},
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])('Mutate request headers for $title', ({ path, toJson }) => {
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it(`Adds new headers`, async () => {
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const res = await next.fetch(path, {
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headers: {
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'x-from-client': 'hello-from-client',
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},
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})
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expect(await toJson(res)).toMatchObject({
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'x-from-client': 'hello-from-client',
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'x-from-middleware': 'hello-from-middleware',
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})
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})
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it(`Deletes headers`, async () => {
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const res = await next.fetch(
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withQuery(path, {
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'remove-headers': 'x-from-client1,x-from-client2',
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}),
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{
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headers: {
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'x-from-client1': 'hello-from-client',
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'X-From-Client2': 'hello-from-client',
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},
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}
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)
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const json = await toJson(res)
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expect(json).not.toHaveProperty('x-from-client1')
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expect(json).not.toHaveProperty('X-From-Client2')
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expect(json).toMatchObject({
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'x-from-middleware': 'hello-from-middleware',
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})
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// Should not be included in response headers.
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expect(res.headers.get('x-middleware-override-headers')).toBeNull()
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expect(
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res.headers.get('x-middleware-request-x-from-middleware')
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).toBeNull()
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expect(
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res.headers.get('x-middleware-request-x-from-client1')
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).toBeNull()
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expect(
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res.headers.get('x-middleware-request-x-from-client2')
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).toBeNull()
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})
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it(`Updates headers`, async () => {
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const res = await next.fetch(
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withQuery(path, {
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'update-headers':
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'x-from-client1=new-value1,x-from-client2=new-value2',
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}),
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{
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headers: {
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'x-from-client1': 'old-value1',
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'X-From-Client2': 'old-value2',
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'x-from-client3': 'old-value3',
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},
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}
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)
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expect(await toJson(res)).toMatchObject({
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'x-from-client1': 'new-value1',
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'x-from-client2': 'new-value2',
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'x-from-client3': 'old-value3',
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'x-from-middleware': 'hello-from-middleware',
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})
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// Should not be included in response headers.
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expect(res.headers.get('x-middleware-override-headers')).toBeNull()
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expect(
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res.headers.get('x-middleware-request-x-from-middleware')
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).toBeNull()
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expect(
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res.headers.get('x-middleware-request-x-from-client1')
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).toBeNull()
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expect(
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res.headers.get('x-middleware-request-x-from-client2')
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).toBeNull()
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expect(
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res.headers.get('x-middleware-request-x-from-client3')
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).toBeNull()
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})
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})
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}
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)
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createNextDescribe(
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'app dir middleware without pages dir',
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{
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files: {
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app: new FileRef(path.join(__dirname, 'app')),
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'next.config.js': new FileRef(path.join(__dirname, 'next.config.js')),
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'middleware.js': `
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import { NextResponse } from 'next/server'
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export async function middleware(request) {
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return new NextResponse('redirected')
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}
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export const config = {
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matcher: '/headers'
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}
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`,
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},
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skipDeployment: true,
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},
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({ next }) => {
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// eslint-disable-next-line jest/no-identical-title
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it('Updates headers', async () => {
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const html = await next.render('/headers')
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expect(html).toContain('redirected')
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})
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}
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)
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