From f4d1982afc3ff827f4348cb48a458685aecf0f8f Mon Sep 17 00:00:00 2001
From: Wynter Woods <zerotri@gmail.com>
Date: Mon, 2 Dec 2024 12:38:57 -0800
Subject: [PATCH] Modify fetch.js tests to check for headers being cloned
 rather than sharing them between clones

---
 tests/integration/fetch/fetch.js | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/tests/integration/fetch/fetch.js b/tests/integration/fetch/fetch.js
index ecb4b5a..4728144 100644
--- a/tests/integration/fetch/fetch.js
+++ b/tests/integration/fetch/fetch.js
@@ -21,7 +21,10 @@ export const handler = serveTest(async (t) => {
         body: 'te',
         method: 'post'
       });
+
+      request.headers.set("foo", "bar")
       const newRequest = request.clone();
+
       strictEqual(newRequest instanceof Request, true, 'newRequest instanceof Request');
       strictEqual(newRequest.method, request.method, 'newRequest.method');
       strictEqual(newRequest.url, request.url, 'newRequest.url');
@@ -29,6 +32,11 @@ export const handler = serveTest(async (t) => {
       strictEqual(request.bodyUsed, false, 'request.bodyUsed');
       strictEqual(newRequest.bodyUsed, false, 'newRequest.bodyUsed');
       strictEqual(newRequest.body instanceof ReadableStream, true, 'newRequest.body instanceof ReadableStream');
+
+      strictEqual(newRequest.headers.get("foo"), "bar", 'newRequest.status pre-modification');
+      request.headers.set("foo", "bao")
+      strictEqual(newRequest.headers.get("foo"), "bar", 'newRequest.status post-modification');
+      strictEqual(request.headers.get("foo"), "bao", 'request.status post-modification');
     }
 
     {
@@ -68,7 +76,9 @@ export const handler = serveTest(async (t) => {
         status: 200,
         statusText: 'Success'
       });
+      response.headers.set("foo", "bar")
       const newResponse = response.clone();
+
       strictEqual(newResponse instanceof Response, true, 'newResponse instanceof Request');
       strictEqual(response.bodyUsed, false, 'response.bodyUsed');
       strictEqual(newResponse.bodyUsed, false, 'newResponse.bodyUsed');
@@ -76,6 +86,11 @@ export const handler = serveTest(async (t) => {
       strictEqual(newResponse.status, 200, 'newResponse.status');
       strictEqual(newResponse.statusText, 'Success', 'newResponse.statusText');
       strictEqual(newResponse.body instanceof ReadableStream, true, 'newResponse.body instanceof ReadableStream');
+
+      strictEqual(newResponse.headers.get("foo"), "bar", 'newResponse.status pre-modification');
+      response.headers.set("foo", "bao")
+      strictEqual(newResponse.headers.get("foo"), "bar", 'newResponse.status post-modification');
+      strictEqual(response.headers.get("foo"), "bao", 'response.status post-modification');
     }
 
     {