public void GetItemsBidOnByUserWhenUserHasBidReturnsAllItems()
{
BidRepository repo = new BidRepository();
repo.Items.Add(new Item("item1", "name1"));
repo.Items.Add(new Item("item2", "name2"));
repo.Bids.Add(new Bid("bid1", "item1", "user1", 2));
repo.Bids.Add(new Bid("bid2", "item1", "user2", 3));
repo.Bids.Add(new Bid("bid3", "item1", "user3", 4));
repo.Bids.Add(new Bid("bid4", "item2", "user3", 3));
BidTracker tracker = new BidTracker(repo);
IEnumerable <Item> items = tracker.GetItemsBidOn("user3");
Assert.NotEmpty(items);
Assert.Equal(2, items.Count());
Item item1 = items.SingleOrDefault(i => i.Id == "item1");
Assert.NotNull(item1);
Assert.Equal("name1", item1.Name);
Item item2 = items.SingleOrDefault(i => i.Id == "item2");
Assert.NotNull(item2);
Assert.Equal("name2", item2.Name);
}
public void GetItemsBidOnByUserWithoutUserIdThrowsException(string userId)
{
BidRepository repo = new BidRepository();
BidTracker tracker = new BidTracker(repo);
var ex = Assert.Throws <ArgumentNullException>(() => tracker.GetItemsBidOn(userId));
Assert.Contains("A user id must be specified.", ex.Message);
}
public void GetItemsBidOnByUserWhenUserHasNotBidReturnsNoItems()
{
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);
IEnumerable <Item> items = tracker.GetItemsBidOn("user3");
Assert.Empty(items);
}