5f937d6eaa
x-ref: https://github.com/vercel/next.js/actions/runs/4015096851/jobs/6896473744 x-ref: https://github.com/vercel/next.js/actions/runs/4015096851/jobs/6896483400
388 lines
10 KiB
TypeScript
388 lines
10 KiB
TypeScript
/* eslint-env jest */
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import { sandbox } from './helpers'
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import { createNext, FileRef } from 'e2e-utils'
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import { NextInstance } from 'test/lib/next-modes/base'
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import path from 'path'
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import { check } from 'next-test-utils'
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describe('ReactRefreshRegression app', () => {
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let next: NextInstance
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beforeAll(async () => {
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next = await createNext({
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files: new FileRef(path.join(__dirname, 'fixtures', 'default-template')),
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skipStart: true,
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dependencies: {
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'styled-components': '5.1.0',
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'@next/mdx': 'canary',
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'@mdx-js/loader': '0.18.0',
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react: 'latest',
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'react-dom': 'latest',
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},
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})
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})
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afterAll(() => next.destroy())
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// https://github.com/vercel/next.js/issues/12422
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// TODO-APP: port to app directory
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test.skip('styled-components hydration mismatch', async () => {
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const files = new Map()
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files.set(
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'pages/_document.js',
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`
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import Document from 'next/document'
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import { ServerStyleSheet } from 'styled-components'
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export default class MyDocument extends Document {
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static async getInitialProps(ctx) {
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const sheet = new ServerStyleSheet()
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const originalRenderPage = ctx.renderPage
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try {
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ctx.renderPage = () =>
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originalRenderPage({
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enhanceApp: App => props => sheet.collectStyles(<App {...props} />),
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})
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const initialProps = await Document.getInitialProps(ctx)
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return {
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...initialProps,
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styles: (
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<>
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{initialProps.styles}
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{sheet.getStyleElement()}
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</>
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),
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}
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} finally {
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sheet.seal()
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}
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}
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}
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`
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)
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const { session, cleanup } = await sandbox(next, files)
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// We start here.
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await session.patch(
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'index.js',
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`
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import React from 'react'
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import styled from 'styled-components'
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const Title = styled.h1\`
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color: red;
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font-size: 50px;
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\`
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export default () => <Title>My page</Title>
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`
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)
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// Verify no hydration mismatch:
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expect(await session.hasRedbox(false)).toBe(false)
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await cleanup()
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})
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// https://github.com/vercel/next.js/issues/13978
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test('can fast refresh a page with static generation', async () => {
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const { session, cleanup } = await sandbox(next)
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await session.patch(
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'app/page.js',
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`'use client'
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import { useCallback, useState } from 'react'
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export default function Index() {
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const [count, setCount] = useState(0)
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const increment = useCallback(() => setCount(c => c + 1), [setCount])
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return (
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<main>
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<p>{count}</p>
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<button onClick={increment}>Increment</button>
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</main>
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)
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}
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`
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)
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expect(
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await session.evaluate(() => document.querySelector('p').textContent)
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).toBe('0')
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await session.evaluate(() => document.querySelector('button').click())
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expect(
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await session.evaluate(() => document.querySelector('p').textContent)
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).toBe('1')
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await session.patch(
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'app/page.js',
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`'use client'
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import { useCallback, useState } from 'react'
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export default function Index() {
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const [count, setCount] = useState(0)
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const increment = useCallback(() => setCount(c => c + 1), [setCount])
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return (
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<main>
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<p>Count: {count}</p>
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<button onClick={increment}>Increment</button>
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</main>
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)
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}
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`
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)
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expect(
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await session.evaluate(() => document.querySelector('p').textContent)
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).toBe('Count: 1')
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await session.evaluate(() => document.querySelector('button').click())
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expect(
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await session.evaluate(() => document.querySelector('p').textContent)
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).toBe('Count: 2')
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await cleanup()
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})
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// https://github.com/vercel/next.js/issues/13978
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test('can fast refresh a page with dynamic rendering', async () => {
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const { session, cleanup } = await sandbox(next)
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await session.patch(
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'app/page.js',
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`
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export const revalidate = 0
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import Component from '../index'
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export default function Page() {
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return <Component />
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}
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`
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)
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await session.patch(
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'index.js',
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`'use client'
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import { useCallback, useState } from 'react'
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export default function Index() {
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const [count, setCount] = useState(0)
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const increment = useCallback(() => setCount(c => c + 1), [setCount])
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return (
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<main>
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<p>{count}</p>
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<button onClick={increment}>Increment</button>
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</main>
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)
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}
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`
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)
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await check(
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() => session.evaluate(() => document.querySelector('p').textContent),
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'0'
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)
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await session.evaluate(() => document.querySelector('button').click())
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await check(
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() => session.evaluate(() => document.querySelector('p').textContent),
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'1'
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)
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await session.patch(
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'index.js',
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`'use client'
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import { useCallback, useState } from 'react'
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export default function Index() {
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const [count, setCount] = useState(0)
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const increment = useCallback(() => setCount(c => c + 1), [setCount])
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return (
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<main>
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<p>Count: {count}</p>
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<button onClick={increment}>Increment</button>
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</main>
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)
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}
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`
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)
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await check(
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() => session.evaluate(() => document.querySelector('p').textContent),
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'Count: 1'
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)
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await session.evaluate(() => document.querySelector('button').click())
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await check(
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() => session.evaluate(() => document.querySelector('p').textContent),
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'Count: 2'
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)
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await cleanup()
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})
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// https://github.com/vercel/next.js/issues/13978
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test('can fast refresh a page with config', async () => {
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const { session, cleanup } = await sandbox(next)
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await session.patch(
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'app/page.js',
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`
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export const config = {}
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import Component from '../index'
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export default function Page() {
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return <Component />
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}
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`
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)
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await session.patch(
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'index.js',
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`'use client'
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import { useCallback, useState } from 'react'
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export const config = {}
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export default function Index() {
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const [count, setCount] = useState(0)
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const increment = useCallback(() => setCount(c => c + 1), [setCount])
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return (
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<main>
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<p>{count}</p>
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<button onClick={increment}>Increment</button>
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</main>
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)
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}
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`
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)
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await check(
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() => session.evaluate(() => document.querySelector('p').textContent),
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'0'
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)
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await session.evaluate(() => document.querySelector('button').click())
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expect(
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await session.evaluate(() => document.querySelector('p').textContent)
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).toBe('1')
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await cleanup()
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})
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// https://github.com/vercel/next.js/issues/11504
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test('shows an overlay for anonymous function server-side error', async () => {
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const { session, cleanup } = await sandbox(next)
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await session.patch(
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'app/page.js',
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`export default function () { throw new Error('boom'); }`
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)
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expect(await session.hasRedbox(true)).toBe(true)
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const source = await session.getRedboxSource()
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expect(source.split(/\r?\n/g).slice(2).join('\n')).toMatchInlineSnapshot(`
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"> 1 | export default function () { throw new Error('boom'); }
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| ^"
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`)
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await cleanup()
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})
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test('shows an overlay for server-side error in server component', async () => {
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const { session, cleanup } = await sandbox(next)
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await session.patch(
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'app/page.js',
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`export default function Page() { throw new Error('boom'); }`
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)
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expect(await session.hasRedbox(true)).toBe(true)
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const source = await session.getRedboxSource()
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expect(source.split(/\r?\n/g).slice(2).join('\n')).toMatchInlineSnapshot(`
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"> 1 | export default function Page() { throw new Error('boom'); }
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| ^"
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`)
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await cleanup()
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})
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test('shows an overlay for server-side error in client component', async () => {
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const { session, cleanup } = await sandbox(next)
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await session.patch(
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'app/page.js',
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`'use client'
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export default function Page() { throw new Error('boom'); }`
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)
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expect(await session.hasRedbox(true)).toBe(true)
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const source = await session.getRedboxSource()
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expect(source.split(/\r?\n/g).slice(2).join('\n')).toMatchInlineSnapshot(`
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" 1 | 'use client'
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> 2 | export default function Page() { throw new Error('boom'); }
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| ^"
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`)
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await cleanup()
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})
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// https://github.com/vercel/next.js/issues/13574
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test('custom loader mdx should have Fast Refresh enabled', async () => {
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const files = new Map()
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files.set(
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'next.config.js',
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`
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const withMDX = require("@next/mdx")({
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extension: /\\.mdx?$/,
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});
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module.exports = withMDX({
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pageExtensions: ["js", "mdx"],
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experimental: { appDir: true },
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});
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`
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)
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files.set('app/content.mdx', `Hello World!`)
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files.set(
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'app/page.js',
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`'use client'
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import MDX from './content.mdx'
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export default function Page() {
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return <div id="content"><MDX /></div>
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}
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`
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)
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const { session, cleanup } = await sandbox(next, files)
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expect(
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await session.evaluate(
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() => document.querySelector('#content').textContent
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)
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).toBe('Hello World!')
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let didNotReload = await session.patch('app/content.mdx', `Hello Foo!`)
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expect(didNotReload).toBe(true)
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expect(await session.hasRedbox(false)).toBe(false)
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expect(
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await session.evaluate(
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() => document.querySelector('#content').textContent
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)
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).toBe('Hello Foo!')
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didNotReload = await session.patch('app/content.mdx', `Hello Bar!`)
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expect(didNotReload).toBe(true)
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expect(await session.hasRedbox(false)).toBe(false)
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expect(
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await session.evaluate(
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() => document.querySelector('#content').textContent
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)
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).toBe('Hello Bar!')
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await cleanup()
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})
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})
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