public async void GetFeedbackById_IfIdExist_ExpectedFeedbackId(int feedbackId, int expected) { //Arrange var profile = new MappedProfile(); var configuration = new MapperConfiguration(x => x.AddProfile(profile)); IMapper mapper = new Mapper(configuration); var testFeedback = GetFeedbacks(); //mock dataContext var contextMock = new Mock <DataContext>(); contextMock.Setup(x => x.Feedbacks).ReturnsDbSet(testFeedback); //mockRepo var logger = Mock.Of <ILogger <FeedbackRepository> >(); var feedbackRepo = new FeedbackRepository(contextMock.Object, logger); //Mock actionDescriptor var action = new List <ActionDescriptor>(); var mockDescriptorProvider = new Mock <IActionDescriptorCollectionProvider>(); mockDescriptorProvider.Setup(x => x.ActionDescriptors).Returns(new ActionDescriptorCollection(action, 0)); //create new controller var controller = new FeedbackController(feedbackRepo, mapper, mockDescriptorProvider.Object); //Act var result = await controller.GetFeedbackByID(feedbackId, false); var contentResult = result as OkObjectResult; FeedbackDTO dto = (FeedbackDTO)contentResult.Value; //Assert Assert.Equal(feedbackId, expected); }