public async Task TestInteractor_Delete() { // ARRANGE // Authorization Service Mocking var authServiceMock = new Mock <IAuthService>(); authServiceMock.Setup(d => d.IsAuthenticated()) .Returns(true); authServiceMock.Setup(d => d.IsAuthorized(AuthorizationRole.Admin)) .Returns(true); // Repository Mocking (Motorcycle motorcycle, _) = Motorcycle.NewMotorcycle("Honda", "Shadow", 2006, "01234567890123456"); motorcycle.Id = 1; var repositoryMock = new Mock <IMotorcycleRepository>(); // Repository Delete Mocking var deleteTcs = new TaskCompletionSource <(OperationStatus, IError)>(); deleteTcs.SetResult((OperationStatus.Ok, null)); repositoryMock.Setup(d => d.DeleteAsync(It.IsAny <long>())) .Returns(deleteTcs.Task); var(request, _) = DeleteMotorcycleRequest.NewDeleteMotorcycleRequest(motorcycle.Id); (DeleteMotorcycleInteractor interactor, _) = DeleteMotorcycleInteractor.NewDeleteMotorcycleInteractor(repositoryMock.Object, authServiceMock.Object); // ACT (DeleteMotorcycleResponse response, _) = await interactor.HandleAsync(request); // ASSERT Assert.True(response.Id == motorcycle.Id); }