public void Get_Phone_ByNumber_IsSucceed() { var mockPhoneService = new Mock <IPhonesService>(); mockPhoneService.Setup(repo => repo.GetByPhoneNumber("+44 464854654654")) .Returns(PhonesMock.GetSamplePhone()); var phoneController = new PhoneController(mockPhoneService.Object); var result = phoneController.GetPhoneByNumber("+44 464854654654") as OkObjectResult; var resultObject = result.Value as ServiceResponseModel; Assert.AreEqual(true, resultObject.Success); }