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#! /usr/bin/env python
#
# Protocol Buffers - Google's data interchange format
# Copyright 2008 Google Inc. All rights reserved.
# https://developers.google.com/protocol-buffers/
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met:
#
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above
# copyright notice, this list of conditions and the following disclaimer
# in the documentation and/or other materials provided with the
# distribution.
# * Neither the name of Google Inc. nor the names of its
# contributors may be used to endorse or promote products derived from
# this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
"""Tests for google.protobuf.internal.service_reflection."""
__author__ = 'petar@google.com (Petar Petrov)'
try:
import unittest2 as unittest #PY26
except ImportError:
import unittest
from google.protobuf import unittest_pb2
from google.protobuf import service_reflection
from google.protobuf import service
class FooUnitTest(unittest.TestCase):
def testService(self):
class MockRpcChannel(service.RpcChannel):
def CallMethod(self, method, controller, request, response, callback):
self.method = method
self.controller = controller
self.request = request
callback(response)
class MockRpcController(service.RpcController):
def SetFailed(self, msg):
self.failure_message = msg
self.callback_response = None
class MyService(unittest_pb2.TestService):
pass
self.callback_response = None
def MyCallback(response):
self.callback_response = response
rpc_controller = MockRpcController()
channel = MockRpcChannel()
srvc = MyService()
srvc.Foo(rpc_controller, unittest_pb2.FooRequest(), MyCallback)
self.assertEqual('Method Foo not implemented.',
rpc_controller.failure_message)
self.assertEqual(None, self.callback_response)
rpc_controller.failure_message = None
service_descriptor = unittest_pb2.TestService.GetDescriptor()
srvc.CallMethod(service_descriptor.methods[1], rpc_controller,
unittest_pb2.BarRequest(), MyCallback)
self.assertEqual('Method Bar not implemented.',
rpc_controller.failure_message)
self.assertEqual(None, self.callback_response)
class MyServiceImpl(unittest_pb2.TestService):
def Foo(self, rpc_controller, request, done):
self.foo_called = True
def Bar(self, rpc_controller, request, done):
self.bar_called = True
srvc = MyServiceImpl()
rpc_controller.failure_message = None
srvc.Foo(rpc_controller, unittest_pb2.FooRequest(), MyCallback)
self.assertEqual(None, rpc_controller.failure_message)
self.assertEqual(True, srvc.foo_called)
rpc_controller.failure_message = None
srvc.CallMethod(service_descriptor.methods[1], rpc_controller,
unittest_pb2.BarRequest(), MyCallback)
self.assertEqual(None, rpc_controller.failure_message)
self.assertEqual(True, srvc.bar_called)
def testServiceStub(self):
class MockRpcChannel(service.RpcChannel):
def CallMethod(self, method, controller, request,
response_class, callback):
self.method = method
self.controller = controller
self.request = request
callback(response_class())
self.callback_response = None
def MyCallback(response):
self.callback_response = response
channel = MockRpcChannel()
stub = unittest_pb2.TestService_Stub(channel)
rpc_controller = 'controller'
request = 'request'
# GetDescriptor now static, still works as instance method for compatibility
self.assertEqual(unittest_pb2.TestService_Stub.GetDescriptor(),
stub.GetDescriptor())
# Invoke method.
stub.Foo(rpc_controller, request, MyCallback)
self.assertIsInstance(self.callback_response, unittest_pb2.FooResponse)
self.assertEqual(request, channel.request)
self.assertEqual(rpc_controller, channel.controller)
self.assertEqual(stub.GetDescriptor().methods[0], channel.method)
if __name__ == '__main__':
unittest.main()
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