From 023df5990cf71e0e132486a714dea8873256bc2c Mon Sep 17 00:00:00 2001
From: Javi Velasco <javier.velasco86@gmail.com>
Date: Mon, 29 Nov 2021 13:52:19 +0100
Subject: [PATCH] Add test with nested subrequests

---
 .../middleware/core/pages/interface/[id]/_middleware.js   | 7 +++++++
 .../middleware/core/pages/interface/_middleware.js        | 4 +---
 .../middleware/core/pages/responses/_middleware.js        | 6 +++---
 test/integration/middleware/core/test/index.test.js       | 8 ++++++++
 4 files changed, 19 insertions(+), 6 deletions(-)
 create mode 100644 test/integration/middleware/core/pages/interface/[id]/_middleware.js

diff --git a/test/integration/middleware/core/pages/interface/[id]/_middleware.js b/test/integration/middleware/core/pages/interface/[id]/_middleware.js
new file mode 100644
index 000000000000..679ab02834e0
--- /dev/null
+++ b/test/integration/middleware/core/pages/interface/[id]/_middleware.js
@@ -0,0 +1,7 @@
+import { NextResponse } from 'next/server'
+
+export function middleware() {
+  const response = NextResponse.next()
+  response.headers.set('x-dynamic-path', 'true')
+  return response
+}
diff --git a/test/integration/middleware/core/pages/interface/_middleware.js b/test/integration/middleware/core/pages/interface/_middleware.js
index a3ac20fd7c37..53e52ae12f1d 100644
--- a/test/integration/middleware/core/pages/interface/_middleware.js
+++ b/test/integration/middleware/core/pages/interface/_middleware.js
@@ -54,9 +54,7 @@ export async function middleware(request) {
   }
 
   if (url.pathname.endsWith('/root-subrequest')) {
-    return fetch(
-      `http://${request.headers.get('host')}/interface/root-subrequest`
-    )
+    return fetch(url)
   }
 
   return new Response(null, {
diff --git a/test/integration/middleware/core/pages/responses/_middleware.js b/test/integration/middleware/core/pages/responses/_middleware.js
index 255f1c3180a1..a19326aad8f0 100644
--- a/test/integration/middleware/core/pages/responses/_middleware.js
+++ b/test/integration/middleware/core/pages/responses/_middleware.js
@@ -57,11 +57,11 @@ export async function middleware(request, ev) {
     ev.waitUntil(
       (async () => {
         writer.write(encoder.encode('this is a streamed '.repeat(10)))
-        await sleep(2000)
+        await sleep(200)
         writer.write(encoder.encode('after 2 seconds '.repeat(10)))
-        await sleep(2000)
+        await sleep(200)
         writer.write(encoder.encode('after 4 seconds '.repeat(10)))
-        await sleep(2000)
+        await sleep(200)
         writer.close()
       })()
     )
diff --git a/test/integration/middleware/core/test/index.test.js b/test/integration/middleware/core/test/index.test.js
index f0e10c232841..6c3e90e01a56 100644
--- a/test/integration/middleware/core/test/index.test.js
+++ b/test/integration/middleware/core/test/index.test.js
@@ -447,6 +447,14 @@ function interfaceTests(locale = '') {
     const element = await browser.elementByCss('.title')
     expect(await element.text()).toEqual('Dynamic route')
   })
+
+  it(`${locale} allows subrequests without infinite loops`, async () => {
+    const res = await fetchViaHTTP(
+      context.appPort,
+      `/interface/root-subrequest`
+    )
+    expect(res.headers.get('x-dynamic-path')).toBe('true')
+  })
 }
 
 function getCookieFromResponse(res, cookieName) {