public async void All() { var mock = new ServiceMockFacade <IPasswordRepository>(); var records = new List <Password>(); records.Add(new Password()); mock.RepositoryMock.Setup(x => x.All(It.IsAny <int>(), It.IsAny <int>())).Returns(Task.FromResult(records)); var service = new PasswordService(mock.LoggerMock.Object, mock.RepositoryMock.Object, mock.ModelValidatorMockFactory.PasswordModelValidatorMock.Object, mock.BOLMapperMockFactory.BOLPasswordMapperMock, mock.DALMapperMockFactory.DALPasswordMapperMock); List <ApiPasswordResponseModel> response = await service.All(); response.Should().HaveCount(1); mock.RepositoryMock.Verify(x => x.All(It.IsAny <int>(), It.IsAny <int>())); }