public void BuyNow_generates_valid_events_and_state()
{
var user = AuctionTestUtils.CreateUser();
auction.MarkPendingEventsAsHandled();
auction.BuyNow(user);
auction.PendingEvents.Count.Should()
.Be(1);
auction.Buyer.Should()
.Be(user.UserIdentity);
auction.Completed.Should()
.BeTrue();
var ev = auction.PendingEvents.First() as AuctionBought;
ev.AuctionId.Should()
.Be(auction.AggregateId);
ev.UserIdentity.Should()
.Be(user.UserIdentity);
user.Credits.Should().Be(1000 - auction.BuyNowPrice);
user.PendingEvents.Count.Should().Be(1);
user.PendingEvents.First().Should().BeOfType <CreditsWithdrawn>();
}
public List <Event> BuyNow(Auction auction, User buyer)
{
var generatedEvents = new List <Event>();
foreach (var bid in auction.Bids)
{
if (!buyer.UserIdentity.Equals(bid.UserIdentity))
{
var user = _userRepository.FindUser(bid.UserIdentity);
user.ReturnCredits(bid.Price);
generatedEvents.AddRange(user.PendingEvents);
_userRepository.UpdateUser(user);
}
else
{
buyer.ReturnCredits(bid.Price);
}
}
auction.BuyNow(buyer);
return(generatedEvents);
}