public void SetUp()
{
_jsonSerializer = MockRepository.GenerateStub<IJsonSerializer>();
_responseUpdater = MockRepository.GenerateStub<IResponseUpdater>();
_serializationDataProvider = MockRepository.GenerateStub<ISerializationDataProvider>();
_serializationDataProviderFactory = MockRepository.GenerateStub<ISerializationDataProviderFactory>();
_serializationDataProviderFactory.Stub(f => f.Build(Arg<object>.Is.Anything)).Return(_serializationDataProvider);
_responseWriter = new JsonPResponseWriter(_jsonSerializer, _responseUpdater,_serializationDataProviderFactory);
_controllerContext = MockRepository.GenerateStrictMock<ControllerContext>();
_routeData = new RouteData();
_controllerContext.Stub(c => c.RouteData).Return(_routeData);
_routeData.Values.Add("callback", CALLBACK);
_jsonSerializer.Stub(s => s.Serialize(Arg<object>.Is.Anything)).Return(JSON_OUTPUT);
}