mock create channel for control client creation

Author: Mahalaxmibejugam

gcsfs/tests/conftest.py

@@ -147,6 +147,20 @@ def docker_gcs():
     stop_docker(container)
 
 
+@pytest.fixture(autouse=True)
+def mock_control_plane_channel():
+    from unittest import mock
+
+    # Mock create_channel to prevent real gRPC channel creation to emulator
+    target = (
+        "google.cloud.storage_control_v2.services.storage_control.transports."
+        "grpc_asyncio.StorageControlGrpcAsyncIOTransport.create_channel"
+    )
+    with mock.patch(target) as mock_create:
+        mock_create.return_value = mock.Mock()  # Return a dummy channel
+        yield mock_create
+
+
 @pytest.fixture(scope="session")
 def gcs_factory(docker_gcs):
     params["endpoint_url"] = docker_gcs