fix: add operation name to x-goog-request-params in async client (#137)

Pass the operation name in the `x-goog-request-params`header.
 
Same as #133 for the async operations client.

google/api_core/operations_v1/operations_async_client.py

@@ -120,6 +120,11 @@ async def get_operation(
                 subclass will be raised.
         """
         request = operations_pb2.GetOperationRequest(name=name)
+
+        # Add routing header
+        metadata = metadata or []
+        metadata.append(gapic_v1.routing_header.to_grpc_metadata({"name": name}))
+
         return await self._get_operation(request, retry=retry, timeout=timeout, metadata=metadata)
 
     async def list_operations(
@@ -182,6 +187,10 @@ async def list_operations(
         # Create the request object.
         request = operations_pb2.ListOperationsRequest(name=name, filter=filter_)
 
+        # Add routing header
+        metadata = metadata or []
+        metadata.append(gapic_v1.routing_header.to_grpc_metadata({"name": name}))
+
         # Create the method used to fetch pages
         method = functools.partial(self._list_operations, retry=retry, timeout=timeout, metadata=metadata)
 
@@ -246,6 +255,11 @@ async def cancel_operation(
         """
         # Create the request object.
         request = operations_pb2.CancelOperationRequest(name=name)
+
+        # Add routing header
+        metadata = metadata or []
+        metadata.append(gapic_v1.routing_header.to_grpc_metadata({"name": name}))
+
         await self._cancel_operation(request, retry=retry, timeout=timeout, metadata=metadata)
 
     async def delete_operation(
@@ -292,4 +306,9 @@ async def delete_operation(
         """
         # Create the request object.
         request = operations_pb2.DeleteOperationRequest(name=name)
+
+        # Add routing header
+        metadata = metadata or []
+        metadata.append(gapic_v1.routing_header.to_grpc_metadata({"name": name}))
+
         await self._delete_operation(request, retry=retry, timeout=timeout, metadata=metadata)

tests/asyncio/operations_v1/test_operations_async_client.py

@@ -36,10 +36,11 @@ async def test_get_operation():
         operations_pb2.Operation(name="meep"))
     client = operations_v1.OperationsAsyncClient(mocked_channel)
 
-    response = await client.get_operation("name", metadata=[("x-goog-request-params", "foo")])
+    response = await client.get_operation("name", metadata=[("header", "foo")])
     assert method.call_count == 1
     assert tuple(method.call_args_list[0])[0][0].name == "name"
-    assert ("x-goog-request-params", "foo") in tuple(method.call_args_list[0])[1]["metadata"]
+    assert ("header", "foo") in tuple(method.call_args_list[0])[1]["metadata"]
+    assert ("x-goog-request-params", "name=name") in tuple(method.call_args_list[0])[1]["metadata"]
     assert response == fake_call.response
 
 
@@ -54,7 +55,7 @@ async def test_list_operations():
     mocked_channel, method, fake_call = _mock_grpc_objects(list_response)
     client = operations_v1.OperationsAsyncClient(mocked_channel)
 
-    pager = await client.list_operations("name", "filter", metadata=[("x-goog-request-params", "foo")])
+    pager = await client.list_operations("name", "filter", metadata=[("header", "foo")])
 
     assert isinstance(pager, page_iterator_async.AsyncIterator)
     responses = []
@@ -64,7 +65,8 @@ async def test_list_operations():
     assert responses == operations
 
     assert method.call_count == 1
-    assert ("x-goog-request-params", "foo") in tuple(method.call_args_list[0])[1]["metadata"]
+    assert ("header", "foo") in tuple(method.call_args_list[0])[1]["metadata"]
+    assert ("x-goog-request-params", "name=name") in tuple(method.call_args_list[0])[1]["metadata"]
     request = tuple(method.call_args_list[0])[0][0]
     assert isinstance(request, operations_pb2.ListOperationsRequest)
     assert request.name == "name"
@@ -77,11 +79,12 @@ async def test_delete_operation():
         empty_pb2.Empty())
     client = operations_v1.OperationsAsyncClient(mocked_channel)
 
-    await client.delete_operation("name", metadata=[("x-goog-request-params", "foo")])
+    await client.delete_operation("name", metadata=[("header", "foo")])
 
     assert method.call_count == 1
     assert tuple(method.call_args_list[0])[0][0].name == "name"
-    assert ("x-goog-request-params", "foo") in tuple(method.call_args_list[0])[1]["metadata"]
+    assert ("header", "foo") in tuple(method.call_args_list[0])[1]["metadata"]
+    assert ("x-goog-request-params", "name=name") in tuple(method.call_args_list[0])[1]["metadata"]
 
 
 @pytest.mark.asyncio
@@ -90,8 +93,9 @@ async def test_cancel_operation():
         empty_pb2.Empty())
     client = operations_v1.OperationsAsyncClient(mocked_channel)
 
-    await client.cancel_operation("name", metadata=[("x-goog-request-params", "foo")])
+    await client.cancel_operation("name", metadata=[("header", "foo")])
 
     assert method.call_count == 1
     assert tuple(method.call_args_list[0])[0][0].name == "name"
-    assert ("x-goog-request-params", "foo") in tuple(method.call_args_list[0])[1]["metadata"]
+    assert ("header", "foo") in tuple(method.call_args_list[0])[1]["metadata"]
+    assert ("x-goog-request-params", "name=name") in tuple(method.call_args_list[0])[1]["metadata"]