public void BonusProductConstructorTest()
{
var productName = "Cheese";
var numberNeeded = 1;
var discountProduct = "Bread";
var productDiscount = 1.5m;
var offer = new BonusProductOffer(productName, numberNeeded, discountProduct, productDiscount);
Assert.AreEqual(productName, offer.ProductName);
Assert.AreEqual(numberNeeded, offer.NumRequired);
Assert.AreEqual(discountProduct, offer.DiscountProductName);
Assert.AreEqual(productDiscount, offer.DiscountAmount);
}
public void BonusProductNoOfferTest(int cheeseCount, int breadCount)
{
var productName = "Cheese";
var numberNeeded = 3;
var bonusProduct = "Bread";
var bonusDiscount = 0.5m;
var offer = new BonusProductOffer(productName, numberNeeded, bonusProduct, bonusDiscount);
var products = new Dictionary <Product, int>();
products.Add(new Product("Cheese", 0.5m), cheeseCount);
products.Add(new Product("Bread", 0.5m), breadCount);
var discountedProduct = offer.DetermineSpecialOffer(products);
Assert.IsNull(discountedProduct);
}
public void BonusProductDetermineOfferTest(int cheeseCount, int breadCount, decimal expectedDiscountValue)
{
var productName = "Cheese";
var numberNeeded = 3;
var bonusProduct = "Bread";
var bonusDiscount = 0.5m;
var offer = new BonusProductOffer(productName, numberNeeded, bonusProduct, bonusDiscount);
var products = new Dictionary <Product, int>();
products.Add(new Product("Cheese", 0.5m), cheeseCount);
products.Add(new Product("Bread", 0.5m), breadCount);
var expectedDiscountProduct = new Product("Discount on Bread", expectedDiscountValue);
var discountedProduct = offer.DetermineSpecialOffer(products);
Assert.AreEqual(expectedDiscountProduct, discountedProduct);
}
