public void Given_MeetupEvents_When_Aggregate_Then_RsvpListCreated()
{
Guid meetupId = Guid.NewGuid(), bill = Guid.NewGuid(), joe = Guid.NewGuid(), susan = Guid.NewGuid(), carla = Guid.NewGuid();
var aggregate = RsvpAggregate.Create(meetupId, new MeetupRsvpOpenedEvent(meetupId, numberOfSpots: 2));
aggregate.MembersGoing.AssertEqual();
aggregate.MembersWaiting.AssertEqual();
aggregate.MembersNotGoing.AssertEqual();
aggregate.Reduce(new MeetupRsvpAcceptedEvent(meetupId, bill));
aggregate.MembersGoing.AssertEqual(bill);
aggregate.MembersWaiting.AssertEqual();
aggregate.MembersNotGoing.AssertEqual();
aggregate.Reduce(new MeetupRsvpAcceptedEvent(meetupId, joe));
aggregate.MembersGoing.AssertEqual(bill, joe);
aggregate.MembersWaiting.AssertEqual();
aggregate.MembersNotGoing.AssertEqual();
aggregate.Reduce(new MeetupRsvpAcceptedEvent(meetupId, susan));
aggregate.MembersGoing.AssertEqual(bill, joe);
aggregate.MembersWaiting.AssertEqual(susan);
aggregate.MembersNotGoing.AssertEqual();
aggregate.Reduce(new MeetupRsvpAcceptedEvent(meetupId, carla));
aggregate.MembersGoing.AssertEqual(bill, joe);
aggregate.MembersWaiting.AssertEqual(susan, carla);
aggregate.MembersNotGoing.AssertEqual();
aggregate.Reduce(new MeetupRsvpDeclinedEvent(meetupId, bill));
aggregate.MembersGoing.AssertEqual(joe, susan);
aggregate.MembersWaiting.AssertEqual(carla);
aggregate.MembersNotGoing.AssertEqual(bill);
aggregate.Reduce(new MeetupNumberOfSpotsChangedEvent(meetupId, 3));
aggregate.MembersGoing.AssertEqual(joe, susan, carla);
aggregate.MembersWaiting.AssertEqual();
aggregate.MembersNotGoing.AssertEqual(bill);
}
