From e55e596b297844635d2fccda74da61d15903f4da Mon Sep 17 00:00:00 2001
From: Michael Lumish <mlumish@google.com>
Date: Wed, 12 Feb 2025 16:15:22 -0800
Subject: [PATCH] grpc-js: Add test for custom error code

---
 packages/grpc-js/test/fixtures/test_service.proto |  1 +
 packages/grpc-js/test/test-server-errors.ts       | 15 ++++++++++++++-
 2 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/packages/grpc-js/test/fixtures/test_service.proto b/packages/grpc-js/test/fixtures/test_service.proto
index 2a7a303f..f73f3151 100644
--- a/packages/grpc-js/test/fixtures/test_service.proto
+++ b/packages/grpc-js/test/fixtures/test_service.proto
@@ -22,6 +22,7 @@ message Request {
   string message = 2;
   int32 errorAfter = 3;
   int32 responseLength = 4;
+  int32 code = 5;
 }
 
 message Response {
diff --git a/packages/grpc-js/test/test-server-errors.ts b/packages/grpc-js/test/test-server-errors.ts
index fcc5ef7f..f9797b5b 100644
--- a/packages/grpc-js/test/test-server-errors.ts
+++ b/packages/grpc-js/test/test-server-errors.ts
@@ -395,10 +395,11 @@ describe('Other conditions', () => {
         const req = call.request;
 
         if (req.error) {
+          const code = req.code || grpc.status.UNKNOWN;
           const details = req.message || 'Requested error';
 
           cb(
-            { code: grpc.status.UNKNOWN, details } as ServiceError,
+            { code, details } as ServiceError,
             null,
             trailerMetadata
           );
@@ -816,6 +817,18 @@ describe('Other conditions', () => {
         }
       );
     });
+
+    it('for a non-standard error code', done => {
+      client.unary(
+        { error: true, code: 57 },
+        (err: ServiceError, data: any) => {
+          assert(err);
+          assert.strictEqual(err.code, 57);
+          assert.strictEqual(err.details, 'Requested error');
+          done();
+        }
+      );
+    });
   });
 
   describe('should handle server stream errors correctly', () => {