From 2ec6f7124e8eedea92ab25a6e542cd0f04e86359 Mon Sep 17 00:00:00 2001
From: Gal Schlezinger <gal@spitfire.co.il>
Date: Thu, 17 Feb 2022 12:31:24 +0200
Subject: [PATCH] Add test for multiple cookies coming from middleware

---
 .../middleware/core/pages/responses/_middleware.js   |  9 +++++++++
 test/integration/middleware/core/test/index.test.js  | 12 ++++++++++++
 2 files changed, 21 insertions(+)

diff --git a/test/integration/middleware/core/pages/responses/_middleware.js b/test/integration/middleware/core/pages/responses/_middleware.js
index a19326aad8f0..ea3782adb26f 100644
--- a/test/integration/middleware/core/pages/responses/_middleware.js
+++ b/test/integration/middleware/core/pages/responses/_middleware.js
@@ -32,6 +32,15 @@ export async function middleware(request, ev) {
     return next
   }
 
+  if (url.pathname === '/responses/two-cookies') {
+    const headers = new Headers()
+    headers.append('set-cookie', 'foo=chocochip')
+    headers.append('set-cookie', 'bar=chocochip')
+    return new Response('cookies set', {
+      headers,
+    })
+  }
+
   // Streams a basic response
   if (url.pathname === '/responses/stream-a-response') {
     ev.waitUntil(
diff --git a/test/integration/middleware/core/test/index.test.js b/test/integration/middleware/core/test/index.test.js
index c6d33990720f..f4fccc51afed 100644
--- a/test/integration/middleware/core/test/index.test.js
+++ b/test/integration/middleware/core/test/index.test.js
@@ -428,6 +428,18 @@ function redirectTests(locale = '') {
 }
 
 function responseTests(locale = '') {
+  it(`${locale} responds with multiple cookies`, async () => {
+    const res = await fetchViaHTTP(
+      context.appPort,
+      `${locale}/responses/two-cookies`
+    )
+
+    expect(res.headers.raw()['set-cookie']).toEqual([
+      'foo=chocochip',
+      'bar=chocochip',
+    ])
+  })
+
   it(`${locale} should stream a response`, async () => {
     const res = await fetchViaHTTP(
       context.appPort,