forked from vercel/next.js
/
create-root-layout.test.ts
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/
create-root-layout.test.ts
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import path from 'path'
import { createNext, FileRef } from 'e2e-utils'
import { NextInstance } from 'test/lib/next-modes/base'
import webdriver from 'next-webdriver'
import { check } from 'next-test-utils'
describe('app-dir create root layout', () => {
const isDev = (global as any).isNextDev
if ((global as any).isNextDeploy) {
it('should skip next deploy for now', () => {})
return
}
if (process.env.NEXT_TEST_REACT_VERSION === '^17') {
it('should skip for react v17', () => {})
return
}
let next: NextInstance
if (isDev) {
describe('page.js', () => {
describe('root layout in app', () => {
beforeAll(async () => {
next = await createNext({
files: {
app: new FileRef(path.join(__dirname, 'create-root-layout/app')),
'next.config.js': new FileRef(
path.join(__dirname, 'create-root-layout/next.config.js')
),
},
dependencies: {
react: 'latest',
'react-dom': 'latest',
},
})
})
afterAll(() => next.destroy())
it('create root layout', async () => {
const outputIndex = next.cliOutput.length
const browser = await webdriver(next.url, '/route')
expect(await browser.elementById('page-text').text()).toBe(
'Hello world!'
)
await check(
() => next.cliOutput.slice(outputIndex),
/did not have a root layout/
)
expect(next.cliOutput.slice(outputIndex)).toMatch(
'Your page app/route/page.js did not have a root layout. We created app/layout.js and app/head.js for you.'
)
expect(await next.readFile('app/layout.js')).toMatchInlineSnapshot(`
"export default function RootLayout({ children }) {
return (
<html>
<head />
<body>{children}</body>
</html>
)
}
"
`)
expect(await next.readFile('app/head.js')).toMatchInlineSnapshot(`
"export default function Head() {
return (
<>
<title></title>
<meta content=\\"width=device-width, initial-scale=1\\" name=\\"viewport\\" />
<link rel=\\"icon\\" href=\\"/favicon.ico\\" />
</>
)
}
"
`)
})
})
describe('root layout in route group', () => {
beforeAll(async () => {
next = await createNext({
files: {
app: new FileRef(
path.join(__dirname, 'create-root-layout/app-group-layout')
),
'next.config.js': new FileRef(
path.join(__dirname, 'create-root-layout/next.config.js')
),
},
dependencies: {
react: 'latest',
'react-dom': 'latest',
},
})
})
afterAll(() => next.destroy())
it('create root layout', async () => {
const outputIndex = next.cliOutput.length
const browser = await webdriver(next.url, '/')
expect(await browser.elementById('page-text').text()).toBe(
'Hello world'
)
await check(
() => next.cliOutput.slice(outputIndex),
/did not have a root layout/
)
expect(next.cliOutput.slice(outputIndex)).toInclude(
'Your page app/(group)/page.js did not have a root layout. We created app/(group)/layout.js and app/(group)/head.js for you.'
)
expect(await next.readFile('app/(group)/layout.js'))
.toMatchInlineSnapshot(`
"export default function RootLayout({ children }) {
return (
<html>
<head />
<body>{children}</body>
</html>
)
}
"
`)
expect(await next.readFile('app/(group)/head.js'))
.toMatchInlineSnapshot(`
"export default function Head() {
return (
<>
<title></title>
<meta content=\\"width=device-width, initial-scale=1\\" name=\\"viewport\\" />
<link rel=\\"icon\\" href=\\"/favicon.ico\\" />
</>
)
}
"
`)
})
})
describe('find available dir', () => {
beforeAll(async () => {
next = await createNext({
files: {
app: new FileRef(
path.join(
__dirname,
'create-root-layout/app-find-available-dir'
)
),
'next.config.js': new FileRef(
path.join(__dirname, 'create-root-layout/next.config.js')
),
},
dependencies: {
react: 'latest',
'react-dom': 'latest',
},
})
})
afterAll(() => next.destroy())
it('create root layout', async () => {
const outputIndex = next.cliOutput.length
const browser = await webdriver(next.url, '/route/second/inner')
expect(await browser.elementById('page-text').text()).toBe(
'Hello world'
)
await check(
() => next.cliOutput.slice(outputIndex),
/did not have a root layout/
)
expect(next.cliOutput.slice(outputIndex)).toInclude(
'Your page app/(group)/route/second/inner/page.js did not have a root layout. We created app/(group)/route/second/layout.js and app/(group)/route/second/head.js for you.'
)
expect(await next.readFile('app/(group)/route/second/layout.js'))
.toMatchInlineSnapshot(`
"export default function RootLayout({ children }) {
return (
<html>
<head />
<body>{children}</body>
</html>
)
}
"
`)
expect(await next.readFile('app/(group)/route/second/head.js'))
.toMatchInlineSnapshot(`
"export default function Head() {
return (
<>
<title></title>
<meta content=\\"width=device-width, initial-scale=1\\" name=\\"viewport\\" />
<link rel=\\"icon\\" href=\\"/favicon.ico\\" />
</>
)
}
"
`)
})
})
})
describe('page.tsx', () => {
beforeAll(async () => {
next = await createNext({
files: {
'app/page.tsx': new FileRef(
path.join(__dirname, 'create-root-layout/app/route/page.js')
),
'next.config.js': new FileRef(
path.join(__dirname, 'create-root-layout/next.config.js')
),
},
dependencies: {
react: 'latest',
'react-dom': 'latest',
typescript: 'latest',
'@types/react': 'latest',
'@types/node': 'latest',
},
})
})
afterAll(() => next.destroy())
it('create root layout', async () => {
const outputIndex = next.cliOutput.length
const browser = await webdriver(next.url, '/')
expect(await browser.elementById('page-text').text()).toBe(
'Hello world!'
)
await check(
() => next.cliOutput.slice(outputIndex),
/did not have a root layout/
)
expect(next.cliOutput.slice(outputIndex)).toInclude(
'Your page app/page.tsx did not have a root layout. We created app/layout.tsx and app/head.tsx for you.'
)
expect(await next.readFile('app/layout.tsx')).toMatchInlineSnapshot(`
"export default function RootLayout({
children,
}: {
children: React.ReactNode
}) {
return (
<html>
<head />
<body>{children}</body>
</html>
)
}
"
`)
expect(await next.readFile('app/head.tsx')).toMatchInlineSnapshot(`
"export default function Head() {
return (
<>
<title></title>
<meta content=\\"width=device-width, initial-scale=1\\" name=\\"viewport\\" />
<link rel=\\"icon\\" href=\\"/favicon.ico\\" />
</>
)
}
"
`)
})
})
} else {
describe('build', () => {
it('should break the build if a page is missing root layout', async () => {
const next = await createNext({
skipStart: true,
files: {
'app/page.js': new FileRef(
path.join(__dirname, 'create-root-layout/app/route/page.js')
),
'next.config.js': new FileRef(
path.join(__dirname, 'create-root-layout/next.config.js')
),
},
dependencies: {
react: 'latest',
'react-dom': 'latest',
},
})
await expect(next.start()).rejects.toThrow('next build failed')
expect(next.cliOutput).toInclude(
"page.js doesn't have a root layout. To fix this error, make sure every page has a root layout."
)
await next.destroy()
})
})
}
})