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index.test.ts
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index.test.ts
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import { createNext } from 'e2e-utils'
import { NextInstance } from 'test/lib/next-modes/base'
import { fetchViaHTTP, renderViaHTTP } from 'next-test-utils'
describe('react 18 streaming SSR in minimal mode', () => {
let next: NextInstance
beforeAll(async () => {
process.env.NEXT_PRIVATE_MINIMAL_MODE = '1'
next = await createNext({
files: {
'pages/index.server.js': `
export default function Page() {
return <p>static streaming</p>
}
`,
},
nextConfig: {
experimental: {
reactRoot: true,
serverComponents: true,
runtime: 'nodejs',
},
},
dependencies: {
react: '18.0.0',
'react-dom': '18.0.0',
},
})
})
afterAll(() => {
delete process.env.NEXT_PRIVATE_MINIMAL_MODE
next.destroy()
})
it('should generate html response by streaming correctly', async () => {
const html = await renderViaHTTP(next.url, '/')
expect(html).toContain('static streaming')
})
})
describe('react 18 streaming SSR with custom next configs', () => {
let next: NextInstance
beforeAll(async () => {
next = await createNext({
files: {
'pages/index.js': `
export default function Page() {
return (
<div>
<style jsx>{\`p { color: blue } \`}</style>
<p>index</p>
</div>
)
}
`,
'pages/hello.js': `
export default function Page() {
return <p>hello nextjs</p>
}
`,
},
nextConfig: {
trailingSlash: true,
experimental: {
reactRoot: true,
runtime: 'edge',
},
},
dependencies: {
react: '18.0.0',
'react-dom': '18.0.0',
},
installCommand: 'npm install',
})
})
afterAll(() => next.destroy())
it('should render styled-jsx styles in streaming', async () => {
const html = await renderViaHTTP(next.url, '/')
expect(html).toContain('color:blue')
})
it('should redirect paths without trailing-slash and render when slash is appended', async () => {
const page = '/hello'
const redirectRes = await fetchViaHTTP(
next.url,
page,
{},
{ redirect: 'manual' }
)
const res = await fetchViaHTTP(next.url, page + '/')
const html = await res.text()
expect(redirectRes.status).toBe(308)
expect(res.status).toBe(200)
expect(html).toContain('hello nextjs')
})
})