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_ShouldApplyDiscount_IfSameCategory(DiscountType discountType, decimal expected)
{
Category category = new Category(CategoryType.Electronic);
Product product = new Product("Television", 1000, category);
ShoppingCart shoppingCart = new ShoppingCart();
Campaign campaign = CampaignFactory.GenerateCampaign(category, 4, 20, discountType);
shoppingCart.AddProduct(product, 5);
campaign.ApplyDiscount(shoppingCart);
Assert.Equal(expected, shoppingCart.DiscountedTotalAmount);
}
public void ApplyCampaign_ShouldNotDecreaseAmount_IfMinimumItemIsNotSatisfied(DiscountType discountType, decimal expected)
{
Category category = new Category(CategoryType.Electronic);
Product product = new Product("Television", 1000, category);
ShoppingCart shoppingCart = new ShoppingCart();
Campaign campaign = CampaignFactory.GenerateCampaign(category, 4, 20, discountType);
shoppingCart.AddProduct(product, 2);
shoppingCart.ApplyCampaigns();
Assert.Equal(expected, shoppingCart.DiscountedTotalAmount);
}
public void ApplyCampaign_ShouldDecreaseAmount_IfMinimumItemConditionSatisfied(DiscountType discountType, decimal expected)
{
Category category = new Category(CategoryType.Food);
Product product = new Product("Apple", 1000, category);
ShoppingCart shoppingCart = new ShoppingCart();
Campaign campaign = CampaignFactory.GenerateCampaign(category, 4, 20, discountType);
shoppingCart.AddProduct(product, 5);
shoppingCart.ApplyCampaigns(campaign);
Assert.Equal(expected, shoppingCart.DiscountedTotalAmount);
}
public void ApplyDiscount_ShouldNotApplyDiscount_IfNotSameCategory(DiscountType discountType)
{
Category category = new Category(CategoryType.Electronic);
Category otherCategory = new Category(CategoryType.Food);
Product product = new Product("Television", 1000, category);
ShoppingCart shoppingCart = new ShoppingCart();
Campaign campaign = CampaignFactory.GenerateCampaign(otherCategory, 4, 20, discountType);
shoppingCart.AddProduct(product, 5);
bool result = campaign.ApplyDiscount(shoppingCart);
Assert.False(result);
}
public void ApplyCampaign_ShouldNotApplySuccesively_IfSameCampaign(DiscountType discountType, decimal expected)
{
Category category = new Category(CategoryType.Food);
Product product = new Product("Food", 1000, category);
ShoppingCart shoppingCart = new ShoppingCart();
Campaign campaign = CampaignFactory.GenerateCampaign(category, 4, 20, discountType);
Campaign otherCampaign = CampaignFactory.GenerateCampaign(category, 4, 20, discountType);
shoppingCart.AddProduct(product, 5);
shoppingCart.ApplyCampaigns(campaign, otherCampaign);
Assert.Equal(expected, shoppingCart.DiscountedTotalAmount);
}
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);
}
