test: add test case for next/navigation#redirect

Author: pieh

tests/fixtures/simple/app/app-redirect/[slug]/page.js

@@ -0,0 +1,11 @@
+import { redirect } from 'next/navigation'
+
+const Page = async () => {
+  return redirect(`/app-redirect/dest`)
+}
+
+export const generateStaticParams = async () => {
+  return [{ slug: 'prerendered' }]
+}
+
+export default Page

tests/fixtures/simple/app/app-redirect/dest/page.js

@@ -0,0 +1,9 @@
+export default function Page() {
+  return (
+    <main>
+      <h1>Hello next/navigation#redirect target</h1>
+    </main>
+  )
+}
+
+export const dynamic = 'force-static'

tests/integration/simple-app.test.ts

@@ -108,6 +108,8 @@ test<FixtureTestContext>('Test that the simple next app is working', async (ctx)
       shouldHaveAppRouterNotFoundInPrerenderManifest() ? '/_not-found' : undefined,
       '/api/cached-permanent',
       '/api/cached-revalidate',
+      '/app-redirect/dest',
+      '/app-redirect/prerendered',
       '/config-redirect',
       '/config-redirect/dest',
       '/config-rewrite',
@@ -444,6 +446,20 @@ test.skipIf(hasDefaultTurbopackBuilds())<FixtureTestContext>(
     expect(parsedBody.bundledCJSModule.isBundled).toEqual(true)
   },
 )
+for (const { slug, label } of [
+  { slug: 'prerendered', label: 'prerendered' },
+  { slug: 'non-prerendered', label: 'not prerendered' },
+]) {
+  test<FixtureTestContext>(`app router page that uses next/navigation#redirect works when page is ${label}`, async (ctx) => {
+    await createFixture('simple', ctx)
+    await runPlugin(ctx)
+
+    const response = await invokeFunction(ctx, { url: `/app-redirect/${slug}` })
+
+    expect(response.statusCode).toBe(307)
+    expect(response.headers['location']).toBe('/app-redirect/dest')
+  })
+}
 
 describe('next patching', async () => {
   const { cp: originalCp, appendFile } = (await vi.importActual(