public void PriceForQuantity_OnBuyOneGetOneOffer_ShouldReturnExpectedPromoPricing()
{
var productItem = new ProductItem("1", "Book", 3000);
var decorator = new AddOnUnitPromo(productItem, 1, 1);
var expectedFinalPrice = 3000; //Get 2 books for price of 1
Assert.AreEqual(expectedFinalPrice, decorator.GetEffectivePrice(2));
}
public void PriceForQuantity_OnBuy3GetOneOffer_ShouldReturnExpectedPromoPricing()
{
var productItem = new ProductItem("1", "T-SHIRT", 2000);
var decorator = new AddOnUnitPromo(productItem, 3, 1);
var expectedFinalPrice = 6000; //Get 4 t-shirts for price of 1
Assert.AreEqual(expectedFinalPrice, decorator.GetEffectivePrice(4));
}
public void PriceForQuantity_OnInvalidEligibleUnits_ShouldThrowException()
{
var productItem = new ProductItem("1", "T-SHIRT", 2000);
var decorator = new AddOnUnitPromo(productItem, 0, 1);
}
public void PriceForQuantity_OnInvalidEligibleUnits_ShouldThrowException()
{
var decorator = new AddOnUnitPromo(_productItem, 0, 50);
}
