public async Task UpdatesCustomerOrderStatusToPaidAfterTheReceivingOfOrderPaidNotification()
{
//Arrange
var customerRepository = new CustomerRepository(_dbContext);
var suitAlterationRepository = new SuitAlterationRepository(_dbContext);
var customer = CreateNewCustomer();
await customerRepository.AddAsync(customer);
customer.PlaceOrder(5, 5, 5, 5);
await _unitOfWork.CommitAsync(CancellationToken.None);
//Pre-assert
var order = customer.SuitAlterations.Single();
order.Status.Should().Be(SuitAlterationStatus.Created);
//Act
var markOrderAsPaidCommandHandler = new MarkOrderAsPaidCommandHandler(suitAlterationRepository);
await markOrderAsPaidCommandHandler.Handle(new MarkOrderAsPaidCommand(order.Id), CancellationToken.None);
await _unitOfWork.CommitAsync(CancellationToken.None);
//Assert
SuitAlteration paidOrder = await suitAlterationRepository.GetByIdAsync(order.Id);
order.DomainEvents.Should().ContainEquivalentOf(new OrderPaidDomainEvent(order.Id));
paidOrder.Status.Should().Be(SuitAlterationStatus.Paid);
order.DomainEvents.Count.Should().Be(2);
}
public async Task ThrowsExceptionWhenOrderStatusIsPaidAndWeTriesToSetTheSameStatusAgain()
{
//Arrange
var customerRepository = new CustomerRepository(_dbContext);
var suitAlterationRepository = new SuitAlterationRepository(_dbContext);
var customer = CreateNewCustomer();
await customerRepository.AddAsync(customer);
customer.PlaceOrder(5, 5, 5, 5);
await _unitOfWork.CommitAsync(CancellationToken.None);
//Act
var order = customer.SuitAlterations.Single();
var markOrderAsPaidCommandHandler = new MarkOrderAsPaidCommandHandler(suitAlterationRepository);
await markOrderAsPaidCommandHandler.Handle(new MarkOrderAsPaidCommand(order.Id), CancellationToken.None);
await _unitOfWork.CommitAsync(CancellationToken.None);
//Pre-assert
order.DomainEvents.Should().ContainEquivalentOf(new OrderPaidDomainEvent(order.Id));
//imagine that we got OrderPaidNotification second time
Func <Task> action = async() => await markOrderAsPaidCommandHandler.Handle(new MarkOrderAsPaidCommand(order.Id), CancellationToken.None);
//Assert
action.Should().Throw <BusinessRuleValidationException>().WithMessage(
$"Order has inconsistent status to be marked as paid. Status - {order.Status.ToString()}");
order.DomainEvents.Count.Should().Be(2);
}
