public async Task <JsonResult> RemoveBudget(Guid id)
        {
            User currentUser = await this.authService.GetCurrentUser();

            RemoveBudgetCommand command = new RemoveBudgetCommand(this.unitOfWork, id, currentUser);
            await command.Run();

            return(new JsonResult(new { success = true }));
        }
        public async Task Test_ExceptionThrown_WhenRemoveCommandCalled_ByUserThatDoesntOwnIt()
        {
            Mock <IUnitOfWork>           unitOfWork = new Mock <IUnitOfWork>();
            Mock <IRepository <Budget> > budgetRepo = new Mock <IRepository <Budget> >(); UserFactory userFactory = this.buildersAndFactories.GetService <UserFactory>();

            Budget rootBudget       = this.buildersAndFactories.BudgetBuilder.Build();
            User   unauthorizedUser = userFactory.NewUser();
            IIncludableQuerySet <Budget> budgets = new InMemoryIncludableQuerySet <Budget>(new List <Budget>()
            {
                rootBudget
            });

            budgetRepo.Setup(r => r.GetAll()).Returns(budgets);
            unitOfWork.Setup(u => u.SaveChangesAsync()).Returns(Task.CompletedTask);
            unitOfWork.Setup(u => u.GetRepository <Budget>()).Returns(budgetRepo.Object);

            RemoveBudgetCommand command = new RemoveBudgetCommand(unitOfWork.Object, rootBudget.Id, unauthorizedUser);

            await Assert.ThrowsAsync <InvalidOperationException>(() => command.Run());
        }
        public async Task Test_BudgetNoLongerExists_WhenRemoveCommandCalled()
        {
            Mock <IUnitOfWork>           unitOfWork = new Mock <IUnitOfWork>();
            Mock <IRepository <Budget> > budgetRepo = new Mock <IRepository <Budget> >();
            UserFactory userFactory = this.buildersAndFactories.GetService <UserFactory>();

            Budget rootBudget = this.buildersAndFactories.BudgetBuilder.Build();
            User   user       = userFactory.NewUser(rootBudget.Fund.UserId);
            IIncludableQuerySet <Budget> budgets = new InMemoryIncludableQuerySet <Budget>(new List <Budget>()
            {
                rootBudget
            });

            budgetRepo.Setup(r => r.GetAll()).Returns(budgets);
            unitOfWork.Setup(u => u.SaveChangesAsync()).Returns(Task.CompletedTask);
            unitOfWork.Setup(u => u.GetRepository <Budget>()).Returns(budgetRepo.Object);

            RemoveBudgetCommand command = new RemoveBudgetCommand(unitOfWork.Object, rootBudget.Id, user);
            await command.Run();

            budgetRepo.Verify(r => r.Remove(rootBudget), Times.Once);
        }