public void GivenABasketWithTwoOffers(string[] product, int[] quantity, decimal expectedPrice)
{
if (product.Length != quantity.Length)
{
throw new System.ArgumentException("Products and Quantity arrays must match");
}
TestLogger butterOfferLogger = new TestLogger();
TestLogger milkOfferLogger = new TestLogger();
IOffer butterOffer =
new NItemsOfFirstProductDeterminesDiscountOnSecond(butterOfferLogger,
"Butter",
"Bread",
(noOfDiscounts) => new FiftyPercentOffDiscount(butterOfferLogger, noOfDiscounts));
IOffer milkOffer =
new NthItemDiscount(milkOfferLogger,
"Milk",
4,
(noOfDiscounts) => new FreeItemDiscount(milkOfferLogger, noOfDiscounts));
Basket basket = new Basket(new IOffer[] { butterOffer, milkOffer });
// For each product, if this test requires it, put it into the basket with the appropriate quantity
for (int i = 0; i < product.Length; i++)
{
basket.AddProductToBasket(GetProduct(product[i]), quantity[i]);
}
var result = basket.GetBasketTotalPrice();
Assert.That(result, Is.EqualTo(expectedPrice));
}
public void GivenABasketWithNoOffers(string[] product, int[] quantity, decimal expectedPrice)
{
if (product.Length != quantity.Length)
{
throw new System.ArgumentException("Products and Quantity arrays must match");
}
Basket basket = new Basket(new IOffer[] { });
// For each product, if this test requires it, put it into the basket with the appropriate quantity
for (int i = 0; i < product.Length; i++)
{
basket.AddProductToBasket(GetProduct(product[i]), quantity[i]);
}
var result = basket.GetBasketTotalPrice();
Assert.That(result, Is.EqualTo(expectedPrice));
}
