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test/e2e/cpu-profiling/cpu-profiling-dev.test.ts
46 строк
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Tim Neutkens
CPU prof: Write profiles to .next-profiles instead of .next/cpu-profiles (#92078)
08 апр 2026, 17:08
Не верифицирован
08 апр 2026, 17:08
cf328d3
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import { nextTestSetup } from 'e2e-utils' import { pathExists, readdir } from 'fs-extra' import { join } from 'path' import { retry } from 'next-test-utils' describe('CPU Profiling - next dev', () => { const { next, isNextDev } = nextTestSetup({ files: __dirname, startCommand: 'pnpm next dev --experimental-cpu-prof', dependencies: {}, }) if (!isNextDev) { it('skip for production mode', () => {}) return } it('should create CPU profile files on exit', async () => { const profileDir = join(next.testDir, '.next-profiles') // Make a request to ensure the server is running const res = await next.fetch('/') expect(res.status).toBe(200) // Stop the server with SIGTERM to trigger profile save (SIGKILL doesn't allow cleanup) await next.stop('SIGTERM') // Retry until profile files are written const cpuProfiles = await retry(async () => { const profileDirExists = await pathExists(profileDir) expect(profileDirExists).toBe(true) const files = await readdir(profileDir) const profiles = files.filter((f: string) => f.endsWith('.cpuprofile')) expect(profiles.length).toBeGreaterThanOrEqual(1) return profiles }) // Verify profile names are meaningful for (const profile of cpuProfiles) { expect(profile).toMatch( /^(dev-main|dev-server)-\d{4}-\d{2}-\d{2}T\d{2}-\d{2}-\d{2}\.cpuprofile$/ ) } }) })