public void GetBidsForItemReturnBidsSuccessfully()
{
BidRepository repo = new BidRepository();
repo.Items.Add(new Item("item1", "name1"));
repo.Bids.Add(new Bid("bid1", "item1", "user1", 2));
repo.Bids.Add(new Bid("bid2", "item1", "user2", 3));
BidTracker tracker = new BidTracker(repo);
List <Bid> bids = tracker.GetBids("item1").ToList();
Assert.Equal(2, bids.Count());
Bid bid1 = bids.SingleOrDefault(b => b.Id == "bid1");
Assert.NotNull(bid1);
Assert.Equal(2, bid1.Amount);
Assert.Equal("item1", bid1.ItemId);
Assert.Equal("user1", bid1.UserId);
Bid bid2 = bids.SingleOrDefault(b => b.Id == "bid2");
Assert.NotNull(bid2);
Assert.Equal(3, bid2.Amount);
Assert.Equal("item1", bid2.ItemId);
Assert.Equal("user2", bid2.UserId);
}
public void GetBidsForItemWithoutItemIdThrowsException(string itemId)
{
BidRepository repo = new BidRepository();
BidTracker tracker = new BidTracker(repo);
var ex = Assert.Throws <ArgumentNullException>(() => tracker.GetBids(itemId));
Assert.Contains("An item id must be specified.", ex.Message);
}
public void GetBidsForNonExistingItemThrowsException()
{
BidRepository repo = new BidRepository();
BidTracker tracker = new BidTracker(repo);
InvalidBidException exception = Assert.Throws <InvalidBidException>(() => tracker.GetBids("item1"));
Assert.Equal("An item with id 'item1' does not exist.", exception.Message);
}