public void Expired_Promo_Should_Not_Be_Applied_To_CartItem_For_Matching_SKU_And_Quantity()
{
// arrange
_mockProductService.Setup(method => method.GetProductsFromStore())
.Returns(new List <ProductDto> {
new ProductDto {
SKU = "A", Price = 50
},
new ProductDto {
SKU = "B", Price = 30
},
});
var products = _mockProductService.Object.GetProductsFromStore();
_mockCartService.Setup(method => method.GetCartItems())
.Returns(new List <CartItemDto> {
new CartItemDto {
SKU = "A", Quantity = 3, UnitPrice = 50
},
});
var cartItems = _mockCartService.Object.GetCartItems();
var promoOffers = new List <PromoOffer> {
new PromoOffer
{
PromotionOfferId = "1",
PromotionOfferDescription = "3 A's for 130",
ValidTill = DateTime.Today.AddMonths(-1),
PromoRule = new PromoRule {
IsForDifferentItems = false, Quantity = 3, SKUs = new List <string> {
"A"
}, PromoResult = new PromoResult {
OffFixedPrice = 130
}
},
},
};
var appliedPromoOffer = promoOffers.First();
// act
var cartItemsWithOfferPrice = _promoCalculator.CalculateOfferPrice(_promoCalculator.ApplyPromoRule(cartItems, promoOffers), promoOffers);
var cartItem_SKU_A = cartItemsWithOfferPrice.FirstOrDefault(p => p.SKU == "A");
// assert
Assert.False(cartItem_SKU_A.PromoApplied);
Assert.Equal(cartItem_SKU_A.ActualPrice, cartItem_SKU_A.UnitPrice * cartItem_SKU_A.Quantity);
Assert.NotEqual(cartItem_SKU_A.OfferPrice, appliedPromoOffer.PromoRule.PromoResult.OffFixedPrice + ((cartItem_SKU_A.Quantity - appliedPromoOffer.PromoRule.Quantity) * cartItem_SKU_A.UnitPrice));
}
public CartDto Checkout(CartDto cart)
{
var products = _productService.GetProductsFromStore();
var cartItems = cart.CartItems != null && cart.CartItems.Count() > 0 ? cart.CartItems : _cartService.GetCartItems(); // TO DO: This will be the cart.CartItems
cartItems.ForEach(item =>
{
if (!products.Select(p => p.SKU).Contains(item.SKU))
{
throw new Exception("Invalid item added to Cart.");
}
item.UnitPrice = products.First(p => p.SKU == item.SKU).Price;
});
var promoOffers = _promoRuleService.GetPromoRules();
var cartItemsWithOfferPrice = _promoCalculator.CalculateOfferPrice(_promoCalculator.ApplyPromoRule(cartItems, promoOffers), promoOffers);
var cartDto = new CartDto
{
CartId = !string.IsNullOrEmpty(cart.CartId) ? cart.CartId : Guid.NewGuid().ToString(),
CartItems = cartItemsWithOfferPrice
};
return(cartDto);
}