public void Setup()
{
RestClient = MockRepository.GenerateMock<IRestClient>();
RestClient.Stub(r => r.GetResponse(string.Empty)).IgnoreArguments().Return(_jsonData);
JsonParser = MockRepository.GenerateStub<IJsonParser>();
JsonParser.Stub(j => j.Parse(_jsonData)).Return(new List<Tweet> {new Tweet()});
Searcher = new TwitterSearcher(RestClient, JsonParser);
}