Fix invalid argument in list_processors. (#2899)

* Fix invalid argument in list_processors. * Fix formatting.
quantumlib · Apr 9, 2020 · baa718e · baa718e
1 parent b1b09a0
commit baa718e
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Showing 2 changed files with 9 additions and 5 deletions.
diff --git a/cirq/google/engine/engine_client.py b/cirq/google/engine/engine_client.py
@@ -522,9 +522,9 @@ def list_processors(self, project_id: str) -> List[qtypes.QuantumProcessor]:
         Returns:
             A list of metadata of each processor.
         """
-        response = self._make_request(lambda: self.grpc_client.
-                                      list_quantum_processors(
-                                          self._project_name(project_id), ''))
+        response = self._make_request(
+            lambda: self.grpc_client.list_quantum_processors(
+                self._project_name(project_id), filter_=''))
         return list(response)
 
     def get_processor(self, project_id: str,

diff --git a/cirq/google/engine/engine_client_test.py b/cirq/google/engine/engine_client_test.py
@@ -23,6 +23,7 @@
 from cirq.google.engine.client.quantum_v1alpha1 import enums as qenums
 from cirq.google.engine.client.quantum_v1alpha1 import types as qtypes
 
+
 def setup_mock_(client_constructor):
     grpc_client = mock.Mock()
     client_constructor.return_value = grpc_client
@@ -557,8 +558,11 @@ def test_list_processors(client_constructor):
 
     client = EngineClient()
     assert client.list_processors('proj') == results
-    assert grpc_client.list_quantum_processors.call_args[0] == ('projects/proj',
-                                                                '')
+    assert grpc_client.list_quantum_processors.call_args[0] == (
+        'projects/proj',)
+    assert grpc_client.list_quantum_processors.call_args[1] == {
+        'filter_': '',
+    }
 
 
 @mock.patch.object(quantum, 'QuantumEngineServiceClient', autospec=True)