test: add benchmark for vite client build (#31118)

.github/workflows/ci.yml

@@ -235,6 +235,9 @@ jobs:
           name: dist
           path: packages
 
+      - name: Prepare test fixtures
+        run: pnpm test:prepare
+
       - name: Run benchmarks
         uses: CodSpeedHQ/action@63ae6025a0ffee97d7736a37c9192dbd6ed4e75f # v3.4.0
         with:

packages/nuxt/test/build-plugins.bench.ts

@@ -0,0 +1,40 @@
+import { fileURLToPath } from 'node:url'
+import { rm } from 'node:fs/promises'
+import { afterAll, beforeAll, bench, describe } from 'vitest'
+import { join, normalize } from 'pathe'
+import { withoutTrailingSlash } from 'ufo'
+import { build, loadNuxt } from 'nuxt'
+import type { Nuxt } from '@nuxt/schema'
+
+const basicTestFixtureDir = withoutTrailingSlash(normalize(fileURLToPath(new URL('../../../test/fixtures/basic', import.meta.url))))
+
+describe('build', () => {
+  let nuxt: Nuxt
+  beforeAll(async () => {
+    await rm(join(basicTestFixtureDir, 'node_modules/build-plugins/.nuxt'), { recursive: true, force: true })
+    nuxt = await loadNuxt({
+      cwd: basicTestFixtureDir,
+      ready: true,
+      overrides: {
+        buildDir: join(basicTestFixtureDir, 'node_modules/build-plugins/.nuxt'),
+        ssr: false,
+        sourcemap: false,
+        hooks: {
+          'build:done': () => {
+            throw new Error('bypass nitro build')
+          },
+        },
+      },
+    })
+  })
+
+  afterAll(() => nuxt?.close())
+
+  bench('initial production build in the basic test fixture', async () => {
+    await build(nuxt).catch((e) => {
+      if (!e?.toString().includes('bypass nitro build')) {
+        throw e
+      }
+    })
+  })
+})

packages/nuxt/test/build.bench.ts

@@ -9,7 +9,7 @@ const basicTestFixtureDir = withoutTrailingSlash(normalize(fileURLToPath(new URL
 
 describe('build', () => {
   beforeAll(async () => {
-    await rm(join(basicTestFixtureDir, '.nuxt'), { recursive: true, force: true })
+    await rm(join(basicTestFixtureDir, 'node_modules/build/.nuxt'), { recursive: true, force: true })
   })
 
   bench('initial dev server build in the basic test fixture', async () => {
@@ -18,6 +18,7 @@ describe('build', () => {
       ready: true,
       overrides: {
         dev: true,
+        buildDir: join(basicTestFixtureDir, 'node_modules/build/.nuxt'),
         sourcemap: false,
         builder: {
           bundle: () => Promise.resolve(),

packages/nuxt/test/load-nuxt.bench.ts

@@ -11,8 +11,8 @@ const basicTestFixtureDir = withoutTrailingSlash(normalize(fileURLToPath(new URL
 describe('loadNuxt', () => {
   beforeAll(async () => {
     await Promise.all([
-      rm(join(emptyDir, '.nuxt'), { recursive: true, force: true }),
+      rm(join(emptyDir, 'node_modules/load-nuxt/.nuxt'), { recursive: true, force: true }),
-      rm(join(basicTestFixtureDir, '.nuxt'), { recursive: true, force: true }),
+      rm(join(basicTestFixtureDir, 'node_modules/load-nuxt/.nuxt'), { recursive: true, force: true }),
     ])
   })
 
@@ -20,6 +20,9 @@ describe('loadNuxt', () => {
     const nuxt = await loadNuxt({
       cwd: emptyDir,
       ready: true,
+      overrides: {
+        buildDir: join(emptyDir, 'node_modules/load-nuxt/.nuxt'),
+      },
     })
     await nuxt.close()
   })
@@ -28,6 +31,9 @@ describe('loadNuxt', () => {
     const nuxt = await loadNuxt({
       cwd: basicTestFixtureDir,
       ready: true,
+      overrides: {
+        buildDir: join(basicTestFixtureDir, 'node_modules/load-nuxt/.nuxt'),
+      },
     })
     await nuxt.close()
   })

packages/nuxt/test/nitro/render-index.ts

@@ -0,0 +1,15 @@
+// @ts-expect-error untyped
+import '#nitro-internal-pollyfills'
+import type { NitroApp } from 'nitro/types'
+// @ts-expect-error untyped
+import { useNitroApp } from 'nitropack/runtime'
+
+const nitroApp = useNitroApp()
+
+async function renderIndex () {
+  const text = await (nitroApp as NitroApp).localFetch('/', {}).then(r => r.text())
+  // eslint-disable-next-line
+  console.log(text)
+}
+
+renderIndex()

packages/nuxt/test/render.bench.ts

@@ -0,0 +1,41 @@
+import { fileURLToPath } from 'node:url'
+import { rm } from 'node:fs/promises'
+import { beforeAll, bench, describe, expect } from 'vitest'
+import { join, normalize } from 'pathe'
+import { withoutTrailingSlash } from 'ufo'
+import { build, loadNuxt } from 'nuxt'
+import { x } from 'tinyexec'
+
+const basicTestFixtureDir = withoutTrailingSlash(normalize(fileURLToPath(new URL('../../../test/fixtures/basic', import.meta.url))))
+const outputDir = fileURLToPath(new URL('../../../node_modules/.test/render', import.meta.url))
+
+describe.todo('render', () => {
+  beforeAll(async () => {
+    await rm(join(basicTestFixtureDir, 'node_modules/render/.nuxt'), { recursive: true, force: true })
+    const nuxt = await loadNuxt({
+      cwd: basicTestFixtureDir,
+      ready: true,
+      overrides: {
+        buildDir: join(basicTestFixtureDir, 'node_modules/render/.nuxt'),
+        nitro: {
+          output: {
+            dir: outputDir,
+          },
+        },
+        sourcemap: false,
+      },
+    })
+    nuxt.hook('nitro:build:before', (nitro) => {
+      nitro.options.entry = fileURLToPath(new URL('./nitro/render-index', import.meta.url))
+    })
+    await build(nuxt)
+    await nuxt.close()
+  }, 200_000)
+
+  bench('index route in the basic test fixture', async () => {
+    const res = await x('node', [join(outputDir, 'server/index.mjs')], {
+      nodeOptions: { stdio: 'pipe' },
+    })
+    expect(res.stdout).toContain('Hello Nuxt 3!')
+  })
+})