public void Promotion_WhenNoProducts_PriceIsZero()
{
var promotionEngine = new PromotionRuleEngine(GetPromotionPricingRules());
var products = new List <string>();
var totalAmount = promotionEngine.GetTotalAmount(products);
Assert.AreEqual(0, totalAmount);
}
public void Promotion_OneA_OneB_OneC_OneD_Is280()
{
var promotionEngine = new PromotionRuleEngine(GetPromotionPricingRules());
var products = new List <string>
{
"A", "B", "C", "D"
};
var totalAmount = promotionEngine.GetTotalAmount(products);
Assert.AreEqual(115, totalAmount);
}
public void Promotion_FiveA_FiveB_OneC_Is370()
{
var promotionEngine = new PromotionRuleEngine(GetPromotionPricingRules());
var products = new List <string>
{
"A", "B", "C", "A", "B", "A", "B", "A", "B", "A", "B"
};
var totalAmount = promotionEngine.GetTotalAmount(products);
Assert.AreEqual(370, totalAmount);
}
public void Promotion_ThreeA_ThreeB_Is205()
{
var promotionEngine = new PromotionRuleEngine(GetPromotionPricingRules());
var products = new List <string>
{
"A", "A", "A", "B", "B", "B"
};
var totalAmount = promotionEngine.GetTotalAmount(products);
Assert.AreEqual(205, totalAmount);
}
