first commit

2026-03-10 19:37:31 +03:30
commit 61f56f997c
27684 changed files with 2784175 additions and 0 deletions
--- a/test/integration/cpu-profiling/fixtures/basic-app/app/layout.tsx
+++ b/test/integration/cpu-profiling/fixtures/basic-app/app/layout.tsx
@@ -0,0 +1,11 @@
+export default function RootLayout({
+  children,
+}: {
+  children: React.ReactNode
+}) {
+  return (
+    <html lang="en">
+      <body>{children}</body>
+    </html>
+  )
+}
--- a/test/integration/cpu-profiling/fixtures/basic-app/app/page.tsx
+++ b/test/integration/cpu-profiling/fixtures/basic-app/app/page.tsx
@@ -0,0 +1,3 @@
+export default function Page() {
+  return <h1>Hello</h1>
+}
--- a/test/integration/cpu-profiling/fixtures/basic-app/tsconfig.json
+++ b/test/integration/cpu-profiling/fixtures/basic-app/tsconfig.json
@@ -0,0 +1,31 @@
+{
+  "compilerOptions": {
+    "target": "ES2017",
+    "lib": ["dom", "dom.iterable", "esnext"],
+    "allowJs": true,
+    "skipLibCheck": true,
+    "strict": false,
+    "noEmit": true,
+    "incremental": true,
+    "module": "esnext",
+    "esModuleInterop": true,
+    "moduleResolution": "node",
+    "resolveJsonModule": true,
+    "isolatedModules": true,
+    "jsx": "react-jsx",
+    "plugins": [
+      {
+        "name": "next"
+      }
+    ]
+  },
+  "include": [
+    "next-env.d.ts",
+    ".next/types/**/*.ts",
+    ".next/dev/types/**/*.ts",
+    "**/*.mts",
+    "**/*.ts",
+    "**/*.tsx"
+  ],
+  "exclude": ["node_modules"]
+}
--- a/test/integration/cpu-profiling/test/index.test.ts
+++ b/test/integration/cpu-profiling/test/index.test.ts
@@ -0,0 +1,61 @@
+/* eslint-env jest */
+
+import { remove, pathExists, readdir } from 'fs-extra'
+import { nextBuild } from 'next-test-utils'
+import { join } from 'path'
+
+const fixturesDir = join(__dirname, '..', 'fixtures')
+const appDir = join(fixturesDir, 'basic-app')
+
+describe('CPU Profiling', () => {
+  beforeEach(async () => {
+    await remove(join(appDir, '.next'))
+  })
+
+  describe('next build --experimental-cpu-prof', () => {
+    it('should create CPU profile files with meaningful names', async () => {
+      const profileDir = join(appDir, '.next', 'cpu-profiles')
+
+      const { stdout } = await nextBuild(appDir, ['--experimental-cpu-prof'], {
+        stdout: true,
+        stderr: true,
+      })
+
+      expect(stdout).toContain('CPU profile saved')
+
+      const profileDirExists = await pathExists(profileDir)
+      expect(profileDirExists).toBe(true)
+
+      const files = await readdir(profileDir)
+      const cpuProfiles = files.filter((f) => f.endsWith('.cpuprofile'))
+      expect(cpuProfiles.length).toBeGreaterThan(0)
+
+      // Verify profile names are meaningful (not just random numbers)
+      for (const profile of cpuProfiles) {
+        // Profile names should contain descriptive prefixes like 'build-main', 'build-webpack-server', etc.
+        expect(profile).toMatch(
+          /^(build-main|build-webpack-(server|client|edge-server)|build-turbopack|build-static-worker|build-trace-worker)-\d{4}-\d{2}-\d{2}T\d{2}-\d{2}-\d{2}\.cpuprofile$/
+        )
+      }
+    })
+
+    it('should create profiles for worker processes', async () => {
+      const profileDir = join(appDir, '.next', 'cpu-profiles')
+
+      await nextBuild(appDir, ['--experimental-cpu-prof'], {
+        stdout: true,
+        stderr: true,
+      })
+
+      const files = await readdir(profileDir)
+      const cpuProfiles = files.filter((f) => f.endsWith('.cpuprofile'))
+
+      // Should have at least main process profile and potentially worker profiles
+      expect(cpuProfiles.length).toBeGreaterThanOrEqual(1)
+
+      // Verify we have the main build profile
+      const mainProfile = cpuProfiles.find((f) => f.startsWith('build-main'))
+      expect(mainProfile).toBeDefined()
+    })
+  })
+})