public void Cancel(string reason)
{
if (_cancelled)
{
throw new InvalidOperationException("The concert has already been cancelled.");
}
Apply(ConcertEvents.Cancelled(_id, reason));
}
public void ConcertIsPlannedWithIdAndValidCapacity()
{
var id = new ConcertId(Guid.NewGuid());
new ConstructorScenarioFor <Concert>(() => Concert.Plan(id, 100)).
Then(ConcertEvents.Planned(id)).
Assert();
}
public void CancelledConcertCanNotBeCancelled()
{
new CommandScenarioFor <Concert>(Concert.Factory).
Given(
ConcertEvents.Planned(ConcertId),
ConcertEvents.Cancelled(ConcertId, "Guitars all smashed.")).
When(sut => sut.Cancel("Lead singer OD'ed.")).
AssertThrows(new InvalidOperationException("The concert has already been cancelled."));
}
public void PlannedConcertCanBeCancelled()
{
new CommandScenarioFor <Concert>(Concert.Factory).
Given(
ConcertEvents.Planned(ConcertId)).
When(sut => sut.Cancel("Lead singer OD'ed.")).
Then(
ConcertEvents.Cancelled(ConcertId, "Lead singer OD'ed.")).
Assert();
}
public void CancelledConcertCanNotStartTicketSale()
{
new FactoryScenarioFor <Concert>(Concert.Factory).
Given(
ConcertEvents.Planned(ConcertId),
ConcertEvents.Cancelled(ConcertId, "Lead singer OD'ed.")).
When(sut => sut.StartTicketSale(TicketSaleId, DateTimeOffset.UtcNow.Date)).
AssertThrows(
new InvalidOperationException("Starting a ticket sale for a cancelled concert is impossible."));
}
public void PlannedConcertCanHaveTicketSaleStarted()
{
new FactoryScenarioFor <Concert>(Concert.Factory).
Given(
ConcertEvents.Planned(ConcertId)).
When(sut => sut.StartTicketSale(TicketSaleId, DateTimeOffset.UtcNow.Date)).
Then(
TicketSaleEvents.Started(TicketSaleId, ConcertId, DateTimeOffset.UtcNow.Date, 100)).
Assert();
}
public static Concert Plan(ConcertId id, int venueCapacity)
{
if (venueCapacity < 1)
{
throw new ArgumentException("venueCapacity");
}
var concert = Factory();
concert.Apply(ConcertEvents.Planned(id));
return(concert);
}
