public async Task given_invalid_itemId_should_throw_an_exception()
{
var command = new StockItemStockDownCommand()
{
Id = Guid.NewGuid(), Amount = 1
};
var exception = await Record.ExceptionAsync(async() => await _handler.Handle(command, new CancellationToken()));
exception.ShouldNotBeNull();
exception.ShouldBeOfType <ItemNotFoundException>();
}
public async Task given_valid_itemId_and_amount_should_succeed()
{
var id = Guid.NewGuid();
var amount = 5;
var amountToReduce = 1;
var command = new StockItemStockDownCommand()
{
Id = id, Amount = amountToReduce
};
var item = Item.Create(id, amount);
_repository.GetAsync(command.Id).Returns(item);
await _handler.Handle(command, new CancellationToken());
await _repository.Received().UpdateAsync(item);
await _eventProcessor.Received().ProcessAsync(item.Events);
}
