public void PriceCalculationLogic_MultipleQuantity_NoOffers()
{
//Arrange
ISpecialOfferRepository specialOfferRepository = Substitute.For <ISpecialOfferRepository>();
CheckoutItem checkoutItem = new CheckoutItem {
Price = 0.5M, Quantity = 4
};
PriceCalculationLogic priceCalculationLogic = new PriceCalculationLogic(specialOfferRepository);
//Act
var price = priceCalculationLogic.GetPrice(checkoutItem);
//Assert
Assert.AreEqual(2m, price);
}
public void PriceCalculationLogic_MultipleQuantity_WithOffer_MultiQualifying()
{
//Arrange
ISpecialOfferRepository specialOfferRepository = Substitute.For <ISpecialOfferRepository>();
specialOfferRepository.GetBySku("A99").Returns(new SpecialOffer {
Quantity = 3, OfferPrice = 1.3M
});
CheckoutItem checkoutItem = new CheckoutItem {
Sku = "A99", Price = 0.5M, Quantity = 6
};
PriceCalculationLogic priceCalculationLogic = new PriceCalculationLogic(specialOfferRepository);
//Act
var price = priceCalculationLogic.GetPrice(checkoutItem);
//Assert
Assert.AreEqual(2.6m, price);
specialOfferRepository.Received(1).GetBySku("A99");
}