public async void PersonCreditCards_Not_Exists() { var mock = new ServiceMockFacade <ICreditCardRepository>(); mock.RepositoryMock.Setup(x => x.PersonCreditCards(default(int), It.IsAny <int>(), It.IsAny <int>())).Returns(Task.FromResult <List <PersonCreditCard> >(new List <PersonCreditCard>())); var service = new CreditCardService(mock.LoggerMock.Object, mock.RepositoryMock.Object, mock.ModelValidatorMockFactory.CreditCardModelValidatorMock.Object, mock.BOLMapperMockFactory.BOLCreditCardMapperMock, mock.DALMapperMockFactory.DALCreditCardMapperMock, mock.BOLMapperMockFactory.BOLPersonCreditCardMapperMock, mock.DALMapperMockFactory.DALPersonCreditCardMapperMock, mock.BOLMapperMockFactory.BOLSalesOrderHeaderMapperMock, mock.DALMapperMockFactory.DALSalesOrderHeaderMapperMock); List <ApiPersonCreditCardResponseModel> response = await service.PersonCreditCards(default(int)); response.Should().BeEmpty(); mock.RepositoryMock.Verify(x => x.PersonCreditCards(default(int), It.IsAny <int>(), It.IsAny <int>())); }