1 files changed, 62 insertions, 0 deletions
diff --git a/src/python/grpcio_testing/grpc_testing/_channel/_channel.py b/src/python/grpcio_testing/grpc_testing/_channel/_channel.py
new file mode 100644
index 0000000000..fbd064db88
--- /dev/null
+++ b/src/python/grpcio_testing/grpc_testing/_channel/_channel.py
@@ -0,0 +1,62 @@
+# Copyright 2017 gRPC authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import grpc_testing
+from grpc_testing._channel import _channel_rpc
+from grpc_testing._channel import _multi_callable
+
+
+# All serializer and deserializer parameters are not (yet) used by this
+# test infrastructure.
+# pylint: disable=unused-argument
+class TestingChannel(grpc_testing.Channel):
+
+    def __init__(self, time, state):
+        self._time = time
+        self._state = state
+
+    def subscribe(self, callback, try_to_connect=False):
+        raise NotImplementedError()
+
+    def unsubscribe(self, callback):
+        raise NotImplementedError()
+
+    def unary_unary(
+            self, method, request_serializer=None, response_deserializer=None):
+        return _multi_callable.UnaryUnary(method, self._state)
+
+    def unary_stream(
+            self, method, request_serializer=None, response_deserializer=None):
+        return _multi_callable.UnaryStream(method, self._state)
+
+    def stream_unary(
+            self, method, request_serializer=None, response_deserializer=None):
+        return _multi_callable.StreamUnary(method, self._state)
+
+    def stream_stream(
+            self, method, request_serializer=None, response_deserializer=None):
+        return _multi_callable.StreamStream(method, self._state)
+
+    def take_unary_unary(self, method_descriptor):
+        return _channel_rpc.unary_unary(self._state, method_descriptor)
+
+    def take_unary_stream(self, method_descriptor):
+        return _channel_rpc.unary_stream(self._state, method_descriptor)
+
+    def take_stream_unary(self, method_descriptor):
+        return _channel_rpc.stream_unary(self._state, method_descriptor)
+
+    def take_stream_stream(self, method_descriptor):
+        return _channel_rpc.stream_stream(self._state, method_descriptor)
+# pylint: enable=unused-argument