public async Task GetDiscountsAsync_WithSpecialOffers_ShouldReturnNoDiscounts()
{
//arrange
var reducedProductId = Guid.NewGuid();
var reducedProductPrice = 1.00m;
var mockSpecialOfferRepository = new Mock <IGenericRepository <SpecialOffer> >();
mockSpecialOfferRepository.Setup(m => m.GetAllAsync(It.IsAny <Expression <Func <SpecialOffer, DiscountedProductsSpecialOffer> > >()))
.ReturnsAsync(
new List <SpecialOffer> ()
);
var basket = new Basket
{
Items = new List <BasketItem>
{
new BasketItem {
Id = reducedProductId, Name = "Apples", Price = reducedProductPrice
},
new BasketItem {
Id = reducedProductId, Name = "Apples", Price = reducedProductPrice
},
}
};
var reduceProductPriceByPercentDiscounts = new ReduceProductPriceByPercentDiscounts(mockSpecialOfferRepository.Object);
//act
var discounts = await reduceProductPriceByPercentDiscounts.GetDiscountsAsync(basket);
//assert
Assert.AreEqual(0, discounts.Count());
}
public async Task GetDiscountsAsync_WithNullBasket_ShouldThrowException()
{
//arrange
var reduceProductPriceByPercentDiscounts = new ReduceProductPriceByPercentDiscounts(null);
//act
await reduceProductPriceByPercentDiscounts.GetDiscountsAsync(null);
//assert
}
public async Task GetDiscountsAsync_WithProductsMeetingRequirement_ShouldReturnCorrectDiscount()
{
//arrange
var reducedProductId = Guid.NewGuid();
var reducedProductPrice = 1.00m;
var discountPercent = 10;
var mockSpecialOfferRepository = new Mock <IGenericRepository <SpecialOffer> >();
mockSpecialOfferRepository.Setup(m => m.GetAllAsync(It.IsAny <Expression <Func <SpecialOffer, DiscountedProductsSpecialOffer> > >()))
.ReturnsAsync(
new List <SpecialOffer> {
new SpecialOffer
{
Name = "SpecialOffer",
Description = "10 % off",
DiscountAssemblyFullName = "Bjss.PriceBasket.Core.Services.ReduceProductPriceByPercentDiscounts, Bjss.PriceBasket.Core, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null",
DiscountedProductsSpecialOffer = new DiscountedProductsSpecialOffer
{
DiscountedProductId = reducedProductId,
DiscountPercent = discountPercent,
SpecialOffer = new SpecialOffer {
Name = "SpecialOffer",
Description = "10 % off"
}
}
}
}
);
var basket = new Basket
{
Items = new List <BasketItem>
{
new BasketItem {
Id = reducedProductId, Name = "Apples", Price = reducedProductPrice
},
new BasketItem {
Id = reducedProductId, Name = "Apples", Price = reducedProductPrice
},
}
};
var reduceProductPriceByPercentDiscounts = new ReduceProductPriceByPercentDiscounts(mockSpecialOfferRepository.Object);
//act
var discounts = await reduceProductPriceByPercentDiscounts.GetDiscountsAsync(basket);
//assert
Assert.AreEqual(2, discounts.Count());
Assert.AreEqual(discounts.Sum(d => d.DiscountAmount), 0.20m);
}
