import { isNextDev, nextTestSetup } from 'e2e-utils'
import { getPrerenderOutput } from './utils'
import { retry } from 'next-test-utils'
describe('Cache Components Errors', () => {
const { next, isTurbopack, isNextStart, skipped } = nextTestSetup({
files: __dirname + '/fixtures/console-patch',
skipDeployment: true,
skipStart: !isNextDev,
env: {
NODE_OPTIONS: '--require ./patch-console.js',
},
})
if (skipped) {
return
}
let cliOutputLength: number
beforeEach(async () => {
cliOutputLength = next.cliOutput.length
})
afterEach(async () => {
if (isNextStart) {
await next.stop()
}
})
describe('Sync IO in console methods', () => {
describe('Console Patching', () => {
if (isNextDev) {
it('does not warn about sync IO if console.log is patched to call new Date() internally', async () => {
await next.fetch('/404')
// Wait for after 404 is rendered to the console.
await retry(async () => {
expect(next.cliOutput).toContain('GET /404 404')
})
const from = next.cliOutput.length
await next.browser('/')
// trim off any logs after the HTTP request finished
const output = next.cliOutput.slice(from)
expect(output).toContain('GET / 200')
const snapshot = output.slice(0, output.indexOf('GET / 200')).trim()
expect(snapshot).toMatchInlineSnapshot(
`"[<timestamp>] This is a console log from a server component page"`
)
})
} else {
it('does not fail the build for Sync IO if console.log is patched to call new Date() internally', async () => {
try {
await next.build()
} catch {}
const output = getPrerenderOutput(
next.cliOutput.slice(cliOutputLength),
{ isMinified: true }
)
if (isTurbopack) {
expect(output).toMatchInlineSnapshot(`
"[<timestamp>] This is a console log from a server component page
[<timestamp>] This is a console log from a server component page
[<timestamp>]"
`)
} else {
expect(output).toMatchInlineSnapshot(`
"[<timestamp>] This is a console log from a server component page
[<timestamp>] This is a console log from a server component page
[<timestamp>] Collecting build traces ...
[<timestamp>]"
`)
}
})
}
})
})
})