public async void All() { var mock = new ServiceMockFacade <ILessonStatusRepository>(); var records = new List <LessonStatus>(); records.Add(new LessonStatus()); mock.RepositoryMock.Setup(x => x.All(It.IsAny <int>(), It.IsAny <int>())).Returns(Task.FromResult(records)); var service = new LessonStatusService(mock.LoggerMock.Object, mock.RepositoryMock.Object, mock.ModelValidatorMockFactory.LessonStatusModelValidatorMock.Object, mock.BOLMapperMockFactory.BOLLessonStatusMapperMock, mock.DALMapperMockFactory.DALLessonStatusMapperMock, mock.BOLMapperMockFactory.BOLLessonMapperMock, mock.DALMapperMockFactory.DALLessonMapperMock); List <ApiLessonStatusResponseModel> response = await service.All(); response.Should().HaveCount(1); mock.RepositoryMock.Verify(x => x.All(It.IsAny <int>(), It.IsAny <int>())); }