Add test

devjiwonchoi · devjiwonchoi · commit 18a17aa681c3 · 2025-10-15T14:56:14.000+02:00
diff --git a/test/e2e/app-dir/proxy-missing-export/app/layout.tsx b/test/e2e/app-dir/proxy-missing-export/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/e2e/app-dir/proxy-missing-export/app/page.tsx b/test/e2e/app-dir/proxy-missing-export/app/page.tsx
@@ -0,0 +1,3 @@
+export default function Page() {
+  return <p>hello world</p>
+}
diff --git a/test/e2e/app-dir/proxy-missing-export/next.config.js b/test/e2e/app-dir/proxy-missing-export/next.config.js
@@ -0,0 +1,6 @@
+/**
+ * @type {import('next').NextConfig}
+ */
+const nextConfig = {}
+
+module.exports = nextConfig
diff --git a/test/e2e/app-dir/proxy-missing-export/proxy-missing-export.test.ts b/test/e2e/app-dir/proxy-missing-export/proxy-missing-export.test.ts
@@ -0,0 +1,28 @@
+import { nextTestSetup } from 'e2e-utils'
+
+const errorMessage =
+  'The Proxy "/proxy" must export a `proxy` or a `default` function'
+
+describe('proxy-missing-export', () => {
+  const { next, isNextDev, skipped } = nextTestSetup({
+    files: __dirname,
+    skipDeployment: true,
+    skipStart: true,
+  })
+
+  if (skipped) {
+    return
+  }
+
+  it('should error when proxy file is missing a correct export', async () => {
+    if (isNextDev) {
+      await next.start().catch(() => {})
+      // Errors during runtime
+      await next.browser('/')
+      expect(next.cliOutput).toContain(errorMessage)
+    } else {
+      const { cliOutput } = await next.build()
+      expect(cliOutput).toContain(errorMessage)
+    }
+  })
+})
diff --git a/test/e2e/app-dir/proxy-missing-export/proxy.ts b/test/e2e/app-dir/proxy-missing-export/proxy.ts
@@ -0,0 +1,4 @@
+// Should be proxy, but is middleware which will throw an error.
+export function middleware() {
+  return new Response('Hello, world!')
+}

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1,3 @@`
	`1`	`+export default function Page() {`
	`2`	`+ return <p>hello world</p>`
	`3`	`+}`