public void Test_MultipleDiscount()
{
double expected = 9;
var repo = new ItemsRepo();
var repoItems = repo.GetAllItems();
var basket = new ShoppingBasket(new ConsoleLogger());
basket.AddDiscount(new BreadAt50Percent());
basket.AddDiscount(new FreeMilk());
basket.AddToBasket(repoItems.Find(i => i.Id == 1)); //butter
basket.AddToBasket(repoItems.Find(i => i.Id == 1)); //butter
basket.AddToBasket(repoItems.Find(i => i.Id == 2)); //milk
basket.AddToBasket(repoItems.Find(i => i.Id == 2)); //milk
basket.AddToBasket(repoItems.Find(i => i.Id == 2)); //milk
basket.AddToBasket(repoItems.Find(i => i.Id == 2)); //milk
basket.AddToBasket(repoItems.Find(i => i.Id == 2)); //milk
basket.AddToBasket(repoItems.Find(i => i.Id == 2)); //milk
basket.AddToBasket(repoItems.Find(i => i.Id == 2)); //milk
basket.AddToBasket(repoItems.Find(i => i.Id == 2)); //milk
basket.AddToBasket(repoItems.Find(i => i.Id == 3)); //bread
Assert.AreEqual(expected, basket.RequestTotal(), 0.01);
}
public void Test_FreeMilkDiscount()
{
double expected = 3.45;
var repo = new ItemsRepo();
var repoItems = repo.GetAllItems();
var basket = new ShoppingBasket(new ConsoleLogger());
basket.AddDiscount(new FreeMilk());
basket.AddToBasket(repoItems.Find(i => i.Id == 2)); //milk
basket.AddToBasket(repoItems.Find(i => i.Id == 2)); //milk
basket.AddToBasket(repoItems.Find(i => i.Id == 2)); //milk
basket.AddToBasket(repoItems.Find(i => i.Id == 2)); //milk
Assert.AreEqual(expected, basket.RequestTotal(), 0.01);
}