public void CalculateBasketWithBeansAndBreadDiscount()
{
var basket = new Basket();
basket.AddBasketItem(Products.GetProduct("Beans"));
basket.AddBasketItem(Products.GetProduct("Beans"));
basket.AddBasketItem(Products.GetProduct("Bread"));
var calculator = new BasketCalculator(Products, Promotions, basket);
calculator.CalculateBasket(new DateTime(2020, 6, 18));
calculator.SubTotal.ShouldBe(new decimal(2.10));
calculator.DiscountsItems.Count.ShouldBe(1);
calculator.DiscountsItems[0].Amount.ShouldBe(new decimal(.40));
calculator.Total.ShouldBe(new decimal(1.70));
}
public void CalculateBasketWithOutAppleDiscountAsPromotionExpired()
{
var basket = new Basket();
basket.AddBasketItem(Products.GetProduct("Apples"));
basket.AddBasketItem(Products.GetProduct("Milk"));
basket.AddBasketItem(Products.GetProduct("Bread"));
var calculator = new BasketCalculator(Products, Promotions, basket);
//Use an date in the future after promotion ended
calculator.CalculateBasket(new DateTime(2021, 6, 18));
calculator.SubTotal.ShouldBe(new decimal(3.10));
calculator.DiscountsItems.Count.ShouldBe(0);
calculator.Total.ShouldBe(new decimal(3.10));
}