1# Copyright 2017 gRPC authors.
2#
3# Licensed under the Apache License, Version 2.0 (the "License");
4# you may not use this file except in compliance with the License.
5# You may obtain a copy of the License at
6#
7#     http://www.apache.org/licenses/LICENSE-2.0
8#
9# Unless required by applicable law or agreed to in writing, software
10# distributed under the License is distributed on an "AS IS" BASIS,
11# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12# See the License for the specific language governing permissions and
13# limitations under the License.
14
15import grpc_testing
16from grpc_testing._channel import _channel_rpc
17from grpc_testing._channel import _multi_callable
18
19
20# All serializer and deserializer parameters are not (yet) used by this
21# test infrastructure.
22# pylint: disable=unused-argument
23class TestingChannel(grpc_testing.Channel):
24
25    def __init__(self, time, state):
26        self._time = time
27        self._state = state
28
29    def subscribe(self, callback, try_to_connect=False):
30        raise NotImplementedError()
31
32    def unsubscribe(self, callback):
33        raise NotImplementedError()
34
35    def unary_unary(self,
36                    method,
37                    request_serializer=None,
38                    response_deserializer=None):
39        return _multi_callable.UnaryUnary(method, self._state)
40
41    def unary_stream(self,
42                     method,
43                     request_serializer=None,
44                     response_deserializer=None):
45        return _multi_callable.UnaryStream(method, self._state)
46
47    def stream_unary(self,
48                     method,
49                     request_serializer=None,
50                     response_deserializer=None):
51        return _multi_callable.StreamUnary(method, self._state)
52
53    def stream_stream(self,
54                      method,
55                      request_serializer=None,
56                      response_deserializer=None):
57        return _multi_callable.StreamStream(method, self._state)
58
59    def _close(self):
60        # TODO(https://github.com/grpc/grpc/issues/12531): Decide what
61        # action to take here, if any?
62        pass
63
64    def __enter__(self):
65        return self
66
67    def __exit__(self, exc_type, exc_val, exc_tb):
68        self._close()
69        return False
70
71    def close(self):
72        self._close()
73
74    def take_unary_unary(self, method_descriptor):
75        return _channel_rpc.unary_unary(self._state, method_descriptor)
76
77    def take_unary_stream(self, method_descriptor):
78        return _channel_rpc.unary_stream(self._state, method_descriptor)
79
80    def take_stream_unary(self, method_descriptor):
81        return _channel_rpc.stream_unary(self._state, method_descriptor)
82
83    def take_stream_stream(self, method_descriptor):
84        return _channel_rpc.stream_stream(self._state, method_descriptor)
85
86
87# pylint: enable=unused-argument
88