public void Run()
{
Category electronic = new Category(CategoryType.Electronic);
Category book = new Category(CategoryType.Books);
Product television = new Product("Television", 1000, electronic);
Product essentialCSharp = new Product("TestBook", 400, book);
_shoppingCart.AddProduct(television, 6);
_shoppingCart.AddProduct(essentialCSharp, 5);
Coupon coupon = CouponFactory.GenerateCoupon(1000, 20, CouponType.Rate);
// I have created 2 discounts type for electronic and book categories.
// the expectation is to find the best discount option in the same category.
Campaign campaign3 = CampaignFactory.GenerateCampaign(electronic, 5, 50, DiscountType.Rate);
Campaign campaign = CampaignFactory.GenerateCampaign(electronic, 2, 20, DiscountType.Rate);
Campaign campaign2 = CampaignFactory.GenerateCampaign(book, 2, 5, DiscountType.Amount);
Campaign campaign4 = CampaignFactory.GenerateCampaign(book, 4, 15, DiscountType.Amount);
Campaign[] campaigns = { campaign2, campaign, campaign3, campaign4 };
_shoppingCart.ApplyCampaigns(campaigns);
_shoppingCart.ApplyCoupon(coupon);
_shoppingCart.Print();
var deliveryCost = _costCalculator.CalculateCost(50, 2, _shoppingCart);
var totalCartAmount = _shoppingCart.GetTotalAmount();
var appliedCampaignDiscount = _shoppingCart.GetCampaignDiscount();
var appliedCouponDiscount = _shoppingCart.GetCouponDiscount();
WriteSummaryText(deliveryCost, totalCartAmount, appliedCampaignDiscount, appliedCouponDiscount);
}
public void ApplyDiscount_ShouldNotDescreaseTotalAmountValue_IfCartIsEmpty()
{
ShoppingCart shoppingCart = new ShoppingCart();
Coupon coupon = CouponFactory.GenerateCoupon(-1, 20, DiscountType.Amount);
coupon.ApplyDiscount(shoppingCart);
Assert.Equal(0, shoppingCart.DiscountedTotalAmount);
}
public void ProduceCoupon_WhenCalledForRateCoupon_ReturnsRateCouponObject()
{
//Arrange
CouponFactory factory = new CouponFactory();
//Act
ICoupon coupon = factory.ProduceCoupon(50, 10, DiscountType.Rate);
//Assert
Assert.IsType <RateCoupon>(coupon);
}
public void GetDiscount_WhenCalledForAmountCoupon_ReturnsDiscount()
{
//Arrange
CouponFactory factory = new CouponFactory();
AmountCoupon coupon = factory.ProduceCoupon(50, 10, DiscountType.Amount) as AmountCoupon;
//Act
double discount = coupon.GetDiscount(120);
//Assert
Assert.Equal(coupon.Discount, discount);
}
public void Run()
{
#region Get Delivery cost values from config.
var costPerDelivery = _config.GetValue <double>("Delivery:CostPerDelivery");
var costPerProduct = _config.GetValue <double>("Delivery:CostPerProduct");
var fixedCost = _config.GetValue <double>("Delivery:FixedCost");
#endregion
#region Category and product creation
var computerCategory = new Category.Category("Computer");
var phoneCategory = new Category.Category("Phone");
var ipone = new Iphone(7500, phoneCategory);
var macbook = new Macbook(18500, computerCategory);
#endregion
#region Shopping cart creation
IShoppingCart cart = new Cart.ShoppingCart(new DeliveryCostCalculator(costPerDelivery, costPerProduct, fixedCost));
cart.AddItem(ipone, 10);
cart.AddItem(macbook, 5);
#endregion
#region Get campaign type from CampaignFactory with CampaignTypes enum.
CampaignFactory campaignFactory = new CampaignFactory();
var campaign2 = campaignFactory.Get(computerCategory, 1500, 1, CampaignTypes.Amount);
var campaign3 = campaignFactory.Get(phoneCategory, 2, 1, CampaignTypes.Rate);
#endregion
#region Apply first campaign discount then coupon
cart.ApplyDiscounts(campaign2, campaign3);
CouponFactory couponFactory = new CouponFactory();
var coupon = couponFactory.Get(500, 150, CouponTypes.Amount);
cart.ApplyCoupon(coupon);
#endregion
Console.WriteLine(cart.Print());
Console.ReadLine();
}
public void ApplyCoupon_ShouldApplyDiscount_IfMinimumAmountSatisfied(DiscountType discountType, decimal expected)
{
Category electronicCategory = new Category(CategoryType.Electronic);
Category foodCategory = new Category(CategoryType.Food);
Product television = new Product("Television", 1000, electronicCategory);
Product apple = new Product("Apple", 5, foodCategory);
ShoppingCart shoppingCart = new ShoppingCart();
Coupon coupon = CouponFactory.GenerateCoupon(4000, 20, discountType);
shoppingCart.AddProduct(television, 4);
shoppingCart.AddProduct(apple, 200);
shoppingCart.ApplyCoupon(coupon);
Assert.Equal(expected, shoppingCart.DiscountedTotalAmount);
}
public void GetDiscount_WhenCalledForRateCoupon_ReturnsPercentageOfDiscount()
{
//Arrange
double discountRate = 10;
double givenAmount = 200;
double expectedDiscount = 20;
CouponFactory factory = new CouponFactory();
RateCoupon coupon = factory.ProduceCoupon(50, discountRate, DiscountType.Rate) as RateCoupon;
//Act
double discount = coupon.GetDiscount(givenAmount);
//Assert
Assert.Equal(expectedDiscount, discount);
}
public void Run()
{
Category electronic = new Category(CategoryType.Electronic);
Category book = new Category(CategoryType.Books);
Product television = new Product("Television", 1000, electronic);
Product essentialCSharp = new Product("EssentialCSharp", 400, book);
_shoppingCart.AddProduct(television, 5);
_shoppingCart.AddProduct(essentialCSharp, 1);
Coupon coupon = CouponFactory.GenerateCoupon(1000, 20, DiscountType.Rate);
Campaign campaign = CampaignFactory.GenerateCampaign(electronic, 2, 10, DiscountType.Amount);
_shoppingCart.ApplyCampaigns(campaign);
_shoppingCart.Print();
var deliveryCost = _costCalculator.CalculateCost(50, 2, _shoppingCart);
var totalCartAmount = _shoppingCart.GetTotalAmount();
WriteClosingText(deliveryCost, totalCartAmount);
}