public void Raise_when_buynowonly_throws()
{
var user = AuctionTestUtils.CreateUser();
var auction = AuctionTestUtils.CreateBuyNowOnlyAuction();
Assert.Throws <DomainException>(() => auction.Raise(user, 12));
}
public void CancelBid_when_buynowOnly_throws()
{
var auction = AuctionTestUtils.CreateBuyNowOnlyAuction();
var user = AuctionTestUtils.CreateUser();
Assert.Throws <DomainException>(() => auction.CancelBid(user, new Bid(auction.AggregateId, user.UserIdentity, 12, DateTime.UtcNow)));
}
public void Raise_generates_valid_pending_events_and_state()
{
var user = AuctionTestUtils.CreateUser();
auction.Raise(user, 21);
auction.PendingEvents.Count.Should()
.Be(2);
var bid = auction.Bids.Last();
var raisedEvent = auction.PendingEvents.Last() as AuctionRaised;
raisedEvent.Should()
.BeOfType(typeof(AuctionRaised));
raisedEvent.Bid.Should()
.Be(bid);
auction.ActualPrice.Should()
.Be(21);
bid.UserIdentity.Should().BeEquivalentTo(user.UserIdentity);
bid.AuctionId.Should().Be(auction.AggregateId);
bid.DateCreated.Kind.Should().Be(DateTimeKind.Utc);
user.Credits.Should().Be(1000 - bid.Price);
user.PendingEvents.Should().HaveCount(1);
user.PendingEvents.First().Should().BeOfType <CreditsWithdrawn>();
}
public void CancelBid_when_bid_exists_changes_currentPrice_and_returns_credits_to_user()
{
var user1 = AuctionTestUtils.CreateUser();
var user2 = AuctionTestUtils.CreateUser();
auction.Raise(user1, 10);
var firstBid = auction.Bids.Last();
auction.Raise(user2, 20);
var secondBid = auction.Bids.Last();
auction.MarkPendingEventsAsHandled();
auction.CancelBid(user2, secondBid);
auction.ActualPrice.Should()
.Be(10);
auction.Bids.First().Should().BeEquivalentTo(firstBid);
auction.PendingEvents.Count.Should()
.Be(1);
auction.PendingEvents.First()
.Should()
.BeOfType <BidCanceled>();
user2.PendingEvents.Should().HaveCount(2);
user2.PendingEvents.First().Should().BeOfType <CreditsWithdrawn>();
user2.PendingEvents.Last().Should().BeOfType <CreditsReturned>();
user2.Credits.Should().Be(1000);
}
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 void Raise_when_invalid_parameters_throws(decimal price)
{
var user = AuctionTestUtils.CreateUser();
auction.Raise(user, 91);
Assert.Throws <DomainException>(() => auction.Raise(user, price));
}
public void Auction_FromEvents_builds_auction_from_pending_events()
{
var user = AuctionTestUtils.CreateUser();
auction.Raise(user, 21);
auction.EndAuction();
var built = Auction.FromEvents(auction.PendingEvents);
auction.MarkPendingEventsAsHandled();
built.Should()
.BeEquivalentTo(auction);
}
public void SetUp()
{
auction = AuctionTestUtils.CreateAuction();
for (int i = 0; i < users.Length; i++)
{
users[i] = AuctionTestUtils.CreateUser();
}
var mockRepo = new Mock <IUserRepository>();
mockRepo.Setup(r => r.FindUser(It.IsAny <UserIdentity>())).Returns <UserIdentity>(identity =>
{
return(auction.Bids.Where(bid => bid.UserIdentity.UserId.Equals(identity.UserId))
.Select(bid => bid.UserIdentity)
.Select(userIdentity =>
users.First(user => user.UserIdentity.UserId.Equals(userIdentity.UserId)))
.FirstOrDefault());
});
service = new BuyNowService(mockRepo.Object);
}
public void RemoveBid_when_bid_exists_removes_it()
{
var user1 = AuctionTestUtils.CreateUser();
var user2 = AuctionTestUtils.CreateUser();
auction.Raise(user1, 10);
var firstBid = auction.Bids.Last();
auction.Raise(user2, 20);
var secondBid = auction.Bids.Last();
auction.MarkPendingEventsAsHandled();
auction.RemoveBid(firstBid);
auction.ActualPrice.Should()
.Be(20);
auction.PendingEvents.Count.Should()
.Be(1);
auction.PendingEvents.First()
.Should()
.BeOfType <BidRemoved>();
}
public void EndAuction_when_has_bids_generates_valid_event_and_state()
{
var user = AuctionTestUtils.CreateUser();
auction.Raise(user, 91);
auction.MarkPendingEventsAsHandled();
auction.EndAuction();
auction.PendingEvents.Count.Should()
.Be(1);
auction.Buyer.Should()
.Be(user.UserIdentity);
auction.Completed.Should()
.BeTrue();
var ev = auction.PendingEvents.First() as AuctionCompleted;
ev.AuctionId.Should()
.Be(auction.AggregateId);
ev.WinningBid.Should()
.Be(auction.Bids.Last());
}
public void Raise_when_user_does_not_have_enough_credits_throws()
{
var user = AuctionTestUtils.CreateUser(0);
Assert.Throws <DomainException>(() => auction.Raise(user, 91));
}