test: add test

devjiwonchoi · devjiwonchoi · commit ba7fb67d6037 · 2025-09-18T20:13:37.000+02:00
diff --git a/test/development/app-dir/isolated-dev-build/app/layout.tsx b/test/development/app-dir/isolated-dev-build/app/layout.tsx
@@ -0,0 +1,8 @@
+import { ReactNode } from 'react'
+export default function Root({ children }: { children: ReactNode }) {
+  return (
+    <html>
+      <body>{children}</body>
+    </html>
+  )
+}
diff --git a/test/development/app-dir/isolated-dev-build/app/page.tsx b/test/development/app-dir/isolated-dev-build/app/page.tsx
@@ -0,0 +1,3 @@
+export default function Page() {
+  return <p>hello world</p>
+}
diff --git a/test/development/app-dir/isolated-dev-build/isolated-dev-build.test.ts b/test/development/app-dir/isolated-dev-build/isolated-dev-build.test.ts
@@ -0,0 +1,26 @@
+import { nextTestSetup } from 'e2e-utils'
+import { retry } from 'next-test-utils'
+
+describe('isolated-dev-build', () => {
+  const { next } = nextTestSetup({
+    files: __dirname,
+  })
+
+  it('should create dev artifacts in .next/dev/ directory', async () => {
+    expect(await next.hasFile('.next/dev')).toBe(true)
+    expect(await next.hasFile('.next/server')).toBe(false)
+  })
+
+  it('should work with HMR', async () => {
+    const browser = await next.browser('/')
+    expect(await browser.elementByCss('p').text()).toBe('hello world')
+
+    await next.patchFile('app/page.tsx', (content) => {
+      return content.replace('hello world', 'hello updated world')
+    })
+
+    await retry(async () => {
+      expect(await browser.elementByCss('p').text()).toBe('hello updated world')
+    })
+  })
+})
diff --git a/test/development/app-dir/isolated-dev-build/next.config.js b/test/development/app-dir/isolated-dev-build/next.config.js
@@ -0,0 +1,10 @@
+/**
+ * @type {import('next').NextConfig}
+ */
+const nextConfig = {
+  experimental: {
+    isolatedDevBuild: true,
+  },
+}
+
+module.exports = nextConfig
