static void Main(string[] args)
{
var food = new Category("Food");
var electronic = new Category("Electronic");
var apple = new Product("Apple", 100.0, food);
var banana = new Product("Banana", 200.0, food);
var mobilePhone = new Product("Mobile Phone", 1000.0, electronic);
var notebook = new Product("Notebook", 3000.0, electronic);
var cart = new Business.Domains.ShoppingCart();
cart.AddItem(apple, 1);
cart.AddItem(banana, 1);
cart.AddItem(mobilePhone, 3);
cart.AddItem(notebook, 1);
var campaign1 = new Campaign(food, 20.0, 2, DiscountType.Rate);
var campaign2 = new Campaign(food, 30.0, 2, DiscountType.Amount);
var campaign3 = new Campaign(electronic, 30.0, 1, DiscountType.Amount);
cart.ApplyCampaigns(campaign1, campaign2, campaign3);
var coupon = new Coupon(500.0, 10, DiscountType.Amount);
cart.ApplyCoupon(coupon);
cart.Print();
}
public void Should_return_zero_discount_if_there_is_no_applied_campaign()
{
var sut = new Business.Domains.ShoppingCart();
var result = sut.GetCampaignDiscount();
result.Should().Be(default(double));
}
public void Should_return_delivery_cost_for_line_items()
{
var productCategory = new Category("Electronic");
var product = new Product("Notebook", 1000.0, productCategory);
var sut = new Business.Domains.ShoppingCart();
sut.AddItem(product, Quantity);
var result = sut.GetDeliveryCost();
result.Should().NotBe(default(double));
}
public void Should_return_zero_discount_if_there_is_no_coupon()
{
var productCategory = new Category("Electronic");
var product = new Product("Notebook", 100.0, productCategory);
var sut = new Business.Domains.ShoppingCart();
sut.AddItem(product, Quantity);
var result = sut.GetCouponDiscount();
result.Should().Be(default(double));
}
public void Should_apply_coupon()
{
var coupon = new Coupon(MinimumPurchaseAmount, AmountOfDiscount, DiscountType.Rate);
var sut = new Business.Domains.ShoppingCart();
sut.ApplyCoupon(coupon);
var result = sut;
result.AppliedCoupon.Should().Be(coupon);
result.AppliedCoupon.AmountOfDiscount.Should().Be(coupon.AmountOfDiscount);
result.AppliedCoupon.MinimumPurchaseAmount.Should().Be(coupon.MinimumPurchaseAmount);
result.AppliedCoupon.DiscountType.Should().Be(coupon.DiscountType);
}
public void Should_return_zero_discount_if_there_is_no_applicable_coupon()
{
var productCategory = new Category("Electronic");
var product = new Product("Notebook", 100.0, productCategory);
var coupon = new Coupon(MinimumPurchaseAmount, AmountOfDiscount, DiscountType.Amount);
var sut = new Business.Domains.ShoppingCart();
sut.AddItem(product, Quantity);
sut.ApplyCoupon(coupon);
var result = sut.GetCouponDiscount();
result.Should().Be(default(double));
}
public void Should_return_total_amount_after_discounts_cost_for_cart()
{
var productCategory = new Category("Electronic");
var product = new Product("Notebook", 1000.0, productCategory);
var coupon = new Coupon(MinimumPurchaseAmount, AmountOfDiscount, DiscountType.Amount);
var sut = new Business.Domains.ShoppingCart();
sut.AddItem(product, Quantity);
sut.ApplyCoupon(coupon);
var result = sut.GetTotalAmountAfterDiscounts();
result.Should().NotBe(default(double));
}
public void Should_print_details_for_cart()
{
var productCategory = new Category("Electronic");
var product = new Product("Notebook", 1000.0, productCategory);
var coupon = new Coupon(MinimumPurchaseAmount, AmountOfDiscount, DiscountType.Amount);
var sut = new Business.Domains.ShoppingCart();
sut.AddItem(product, Quantity);
sut.ApplyCoupon(coupon);
sut.Print();
var result = sut;
result.Should().NotBeOfType <Exception>();
}
public void Should_apply_campaigns()
{
var category = new Category("Electronic");
var campaigns = new List <Campaign>();
var sut = new Business.Domains.ShoppingCart();
for (int i = 1; i < AppliedCampaignCount + 1; i++)
{
var campaign = new Campaign(category, AmountOfDiscount, MinimumItemQuantity, DiscountType.Amount);
campaigns.Add(campaign);
}
sut.ApplyCampaigns(campaigns.ToArray());
var result = sut;
result.AppliedCampaigns.Should().HaveCount(campaigns.Count);
}
public void Should_create_line_item_by_adding_product_with_quantity()
{
var category = new Category("Electronic");
var products = new List <Product>();
var sut = new Business.Domains.ShoppingCart();
for (int i = 1; i < LineItemCount + 1; i++)
{
var product = new Product($"Notebook-{i}", 1000.0 * i, category);
sut.AddItem(product, Quantity);
products.Add(product);
}
var result = sut;
result.LineItems.Should().HaveCount(LineItemCount);
result.LineItems.Select(a => a.Product).Count().Should().Be(products.Count);
result.LineItems.Sum(a => a.Quantity).Should().Be(LineItemCount * Quantity);
}
public void Should_return_discount_if_there_is_an_applicable_campaign()
{
var category = new Category("Electronic");
var notebook = new Product("Notebook", 2000.0, category);
var smartPhone = new Product("SmartPhone", 1000.0, category);
var campaign = new Campaign(category, AmountOfDiscount, MinimumItemQuantity, DiscountType.Rate);
var sut = new Business.Domains.ShoppingCart();
sut.AddItem(notebook, Quantity);
sut.AddItem(smartPhone, Quantity);
sut.ApplyCampaigns(campaign);
var result = sut.GetCampaignDiscount();
var total = sut.LineItems.Where(a => a.Product.Category.Title.Equals(category.Title)).Sum(a => a.Quantity * a.Product.UnitPrice);
result.Should().NotBe(default(double));
result.Should().Be(total * AmountOfDiscount / 100);
}
