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import { createNext, FileRef } from 'e2e-utils'
import { NextInstance } from 'e2e-utils'
import { fetchViaHTTP, File, nextBuild } from 'next-test-utils'
import { join } from 'path'
import stripAnsi from 'strip-ansi'
const pagePath = 'pages/index.jsx'
const apiPath = 'pages/api/edge.js'
;(process.env.IS_TURBOPACK_TEST ? describe.skip.each : describe.each)([
{ appDir: join(__dirname, './app/src'), title: 'src/pages and API routes' },
{ appDir: join(__dirname, './app'), title: 'pages and API routes' },
])('Configurable runtime for $title', ({ appDir }) => {
let next: NextInstance
const page = new File(join(appDir, pagePath))
const api = new File(join(appDir, apiPath))
if ((global as any).isNextDev) {
describe('In development mode', () => {
beforeAll(async () => {
next = await createNext({
files: new FileRef(appDir),
dependencies: {},
skipStart: true,
})
})
afterEach(async () => {
await next.stop()
await next.patchFile(pagePath, page.originalContent)
await next.patchFile(apiPath, api.originalContent)
})
afterAll(() => next.destroy())
it('runs with no warning API route on the edge runtime', async () => {
await next.start()
const res = await fetchViaHTTP(next.url, `/api/edge`)
expect(res.status).toEqual(200)
expect(next.cliOutput).not.toInclude('error')
expect(next.cliOutput).not.toInclude('warn')
})
it('warns about API route using experimental-edge runtime', async () => {
await next.patchFile(
apiPath,
`
export default () => new Response('ok');
export const config = { runtime: 'experimental-edge' };
`
)
await next.start()
const res = await fetchViaHTTP(next.url, `/api/edge`)
expect(res.status).toEqual(200)
expect(next.cliOutput).not.toInclude('error')
expect(stripAnsi(next.cliOutput)).toInclude(
`/api/edge provided runtime 'experimental-edge'. It can be updated to 'edge' instead.`
)
})
it('warns about page using edge runtime', async () => {
await next.patchFile(
pagePath,
`
export default () => (<p>hello world</p>);
export const runtime = 'experimental-edge';
`
)
await next.start()
const res = await fetchViaHTTP(next.url, `/`)
expect(res.status).toEqual(200)
expect(next.cliOutput).not.toInclude('error')
expect(stripAnsi(next.cliOutput)).toInclude(
`You are using an experimental edge runtime, the API might change.`
)
})
it('errors about page using edge runtime', async () => {
await next.patchFile(
pagePath,
`
export default () => (<p>hello world</p>);
export const runtime = 'edge';
`
)
await next.start()
const res = await fetchViaHTTP(next.url, `/`)
expect(res.status).toEqual(200)
expect(stripAnsi(next.cliOutput)).toInclude(
`Page / provided runtime 'edge', the edge runtime for rendering is currently experimental. Use runtime 'experimental-edge' instead.`
)
expect(next.cliOutput).not.toInclude('warn')
})
})
} else if ((global as any).isNextStart) {
describe('In start mode', () => {
// TODO because createNext runs process.exit() without any log info on build failure, rely on good old nextBuild()
afterEach(async () => {
page.restore()
api.restore()
})
it('builds with API route on the edge runtime and page on the experimental edge runtime', async () => {
page.write(`
export default () => (<p>hello world</p>);
export const runtime = 'experimental-edge';
`)
const output = await nextBuild(appDir, undefined, {
stdout: true,
stderr: true,
})
expect(output.code).toBe(0)
expect(output.stderr).not.toContain(`error`)
expect(output.stdout).not.toContain(`warn`)
})
it('does not build with page on the edge runtime', async () => {
page.write(`
export default () => (<p>hello world</p>);
export const runtime = 'edge';
`)
const output = await nextBuild(appDir, undefined, {
stdout: true,
stderr: true,
})
expect(output.code).toBe(1)
expect(output.stderr).not.toContain(`Build failed`)
expect(stripAnsi(output.stderr)).toContain(
`Error: Page / provided runtime 'edge', the edge runtime for rendering is currently experimental. Use runtime 'experimental-edge' instead.`
)
})
})
} else {
it.skip('no deploy tests', () => {})
}
})
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