public async void All_ShouldReturnRecords() { var mock = new ServiceMockFacade <ICallService, ICallRepository>(); var records = new List <Call>(); records.Add(new Call()); mock.RepositoryMock.Setup(x => x.All(It.IsAny <int>(), It.IsAny <int>(), It.IsAny <string>())).Returns(Task.FromResult(records)); var service = new CallService(mock.LoggerMock.Object, mock.MediatorMock.Object, mock.RepositoryMock.Object, mock.ModelValidatorMockFactory.CallModelValidatorMock.Object, mock.DALMapperMockFactory.DALCallMapperMock, mock.DALMapperMockFactory.DALCallAssignmentMapperMock, mock.DALMapperMockFactory.DALNoteMapperMock); List <ApiCallServerResponseModel> response = await service.All(); response.Should().HaveCount(1); mock.RepositoryMock.Verify(x => x.All(It.IsAny <int>(), It.IsAny <int>(), It.IsAny <string>())); }