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_testing.py
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46 lines (36 loc) · 1.54 KB
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# Copyright 2015 Google Inc. All rights reserved.
#
# 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.
"""Mocks used to emulate gRPC generated objects."""
class _FakeStub(object):
"""Acts as a gPRC stub."""
def __init__(self, *results):
self.results = results
self.method_calls = []
def __getattr__(self, name):
# We need not worry about attributes set in constructor
# since __getattribute__ will handle them.
return _MethodMock(name, self)
class _MethodMock(object):
"""Mock for API method attached to a gRPC stub.
These are of type :class:`grpc._channel._UnaryUnaryMultiCallable`.
"""
def __init__(self, name, stub):
self._name = name
self._stub = stub
def __call__(self, *args, **kwargs):
"""Sync method meant to mock a gRPC stub request."""
self._stub.method_calls.append((self._name, args, kwargs))
curr_result, self._stub.results = (self._stub.results[0],
self._stub.results[1:])
return curr_result