From 60e9f8ca0d6224889768264fb210071da42457c4 Mon Sep 17 00:00:00 2001
From: Chase Naples <Cnaples79@gmail.com>
Date: Wed, 24 Sep 2025 21:53:20 -0400
Subject: [PATCH] Preserve API connection error message

---
 src/client.ts                                |  2 +-
 tests/lib/ChatCompletionRunFunctions.test.ts | 14 +++++++++-----
 2 files changed, 10 insertions(+), 6 deletions(-)

diff --git a/src/client.ts b/src/client.ts
index b3c899b44..357e14231 100644
--- a/src/client.ts
+++ b/src/client.ts
@@ -653,7 +653,7 @@ export class OpenAI {
       if (isTimeout) {
         throw new Errors.APIConnectionTimeoutError();
       }
-      throw new Errors.APIConnectionError({ cause: response });
+      throw new Errors.APIConnectionError({ message: response.message, cause: response });
     }
 
     const specialHeaders = [...response.headers.entries()]
diff --git a/tests/lib/ChatCompletionRunFunctions.test.ts b/tests/lib/ChatCompletionRunFunctions.test.ts
index f14257ccd..e73651d3d 100644
--- a/tests/lib/ChatCompletionRunFunctions.test.ts
+++ b/tests/lib/ChatCompletionRunFunctions.test.ts
@@ -2407,11 +2407,15 @@ describe('resource completions', () => {
         throw new Error('mock request error');
       }).catch(() => {});
 
-      async function runStream() {
-        await stream.done();
-      }
-
-      await expect(runStream).rejects.toThrow(APIConnectionError);
+      await expect(async () => {
+        try {
+          await stream.done();
+        } catch (err) {
+          expect(err).toBeInstanceOf(APIConnectionError);
+          expect((err as Error).message).toBe('mock request error');
+          throw err;
+        }
+      }).rejects.toThrow('mock request error');
     });
     test('handles network errors on async iterator', async () => {
       const { fetch, handleRequest } = mockFetch();