public void EmptyCart_WithDiscounts()
{
ICart cart = new ShoppingCart.Core.Cart.Services.Cart();
ICollection <ICampaign> campaigns = new Collection <ICampaign>()
{
new AmountCampaign(this.category1, "", 100.0, true, false, double.MaxValue, 0),
new RateCampaign(this.category1, "", 0.5, false, true, 0, int.MaxValue)
};
ICollection <ICoupon> coupons = new Collection <ICoupon>()
{
new AmountCoupon(1000, "", true, false, double.MaxValue, 0),
new RateCoupon(.5, "", false, true, 0, int.MaxValue)
};
cart.ApplyDiscounts(campaigns, coupons);
Assert.Equal(cart.Items.Sum(x => x.TotalPrice), cart.TotalAmount);
Assert.Equal(cart.Items.Sum(x => x.PricePerProduct * x.Quantity), cart.TotalAmount);
Assert.Equal(cart.Items.Sum(x => x.PricePerProduct * x.Quantity), cart.TotalAmount);
Assert.Equal(cart.TotalAmount, cart.TotalAmountAfterCampaignDiscount);
Assert.Equal(cart.TotalAmount, cart.TotalAmountAfterDiscounts);
Assert.Equal(0, cart.TotalCampaignDiscountAmount);
Assert.Equal(0, cart.TotalCouponDiscountAmount);
Assert.Null(cart.AppliedCampaign);
Assert.Null(cart.AppliedCoupon);
}
public void ApplicableMultipleCampaigns_ApplicableMultipleCoupons()
{
ICart cart = new ShoppingCart.Core.Cart.Services.Cart();
cart.Add(this.product1Category1, 1);
cart.Add(this.product2Category1, 5);
cart.Add(this.product3Category2, 10);
ICollection <ICampaign> applicableCampaigns = new Collection <ICampaign>()
{
new AmountCampaign(this.category1, "", 100.0, true, false, 1000, 0),
new RateCampaign(this.category1, "", 0.5, true, true, 1, 1)
};
ICollection <ICoupon> applicableCoupons = new Collection <ICoupon>()
{
new AmountCoupon(100, "", true, true, 1000, 1),
new AmountCoupon(1000, "", true, true, 1000, 1),
new RateCoupon(.5, "", false, true, 0, int.MaxValue),
};
cart.ApplyDiscounts(applicableCampaigns, applicableCoupons);
Assert.NotEqual(cart.Items.Sum(x => x.TotalPrice), cart.TotalAmount);
Assert.NotEqual(cart.Items.Sum(x => x.PricePerProduct * x.Quantity), cart.TotalAmount);
Assert.NotEqual(cart.Items.Sum(x => x.TotalPrice), cart.TotalAmountAfterCampaignDiscount);
Assert.Equal(cart.Items.Sum(x => x.PricePerProduct * x.Quantity), cart.TotalAmountAfterDiscounts);
Assert.Equal(cart.TotalAmount - cart.TotalCampaignDiscountAmount, cart.TotalAmountAfterCampaignDiscount);
Assert.Equal(cart.TotalAmountAfterCampaignDiscount - cart.TotalCouponDiscountAmount, cart.TotalAmountAfterDiscounts);
Assert.Equal(10000, cart.TotalCampaignDiscountAmount);
Assert.Equal(1000, cart.TotalCouponDiscountAmount);
Assert.True(cart.AppliedCampaign is IRateCampaign);
Assert.True(cart.AppliedCoupon is IAmountCoupon);
}
public void EmptyCart()
{
ICart cart = new ShoppingCart.Core.Cart.Services.Cart();
Assert.Equal(default(double), cart.TotalAmount);
Assert.Equal(default(double), cart.TotalAmountAfterCampaignDiscount);
Assert.Equal(default(double), cart.TotalAmountAfterDiscounts);
Assert.Equal(default(double), cart.TotalCampaignDiscountAmount);
Assert.Equal(default(double), cart.TotalCouponDiscountAmount);
Assert.Null(cart.AppliedCampaign);
Assert.Null(cart.AppliedCoupon);
Assert.Equal(0, cart.Items.Count);
Assert.Equal(0, cart.Items.Sum(x => x.Quantity));
cart.DeliveryCost = this.deliveryCostCalculator.Calculate(cart);
Assert.Equal(this.deliveryCostCalculator.FixedCost, cart.DeliveryCost);
}
public void SingleItem_WithoutDiscount()
{
ICart cart = new ShoppingCart.Core.Cart.Services.Cart();
cart.Add(this.product1Category1, 1);
Assert.Equal(this.product1Category1.Price, cart.TotalAmount);
Assert.Equal(cart.Items.Sum(x => x.TotalPrice), cart.TotalAmount);
Assert.Equal(cart.Items.Sum(x => x.PricePerProduct), cart.TotalAmount);
Assert.Equal(cart.TotalAmount, cart.TotalAmountAfterCampaignDiscount);
Assert.Equal(cart.TotalAmount, cart.TotalAmountAfterDiscounts);
Assert.Equal(0, cart.TotalCampaignDiscountAmount);
Assert.Equal(0, cart.TotalCouponDiscountAmount);
Assert.Null(cart.AppliedCampaign);
Assert.Null(cart.AppliedCoupon);
Assert.Equal(1, cart.Items.Count);
Assert.Equal(1, cart.Items.Sum(x => x.Quantity));
}
public void MultipleItem_MultipleQuantity_MultipleCategory_WithoutDiscount()
{
ICart cart = new ShoppingCart.Core.Cart.Services.Cart();
cart.Add(this.product1Category1, 2);
cart.Add(this.product2Category1, 5);
cart.Add(this.product1Category1, 1);
cart.Add(this.product3Category2, 10);
Assert.Equal(cart.Items.Sum(x => x.TotalPrice), cart.TotalAmount);
Assert.Equal(cart.Items.Sum(x => x.PricePerProduct * x.Quantity), cart.TotalAmount);
Assert.Equal(cart.Items.Sum(x => x.PricePerProduct * x.Quantity), cart.TotalAmount);
Assert.Equal(cart.TotalAmount, cart.TotalAmountAfterCampaignDiscount);
Assert.Equal(cart.TotalAmount, cart.TotalAmountAfterDiscounts);
Assert.Equal(0, cart.TotalCampaignDiscountAmount);
Assert.Equal(0, cart.TotalCouponDiscountAmount);
Assert.Null(cart.AppliedCampaign);
Assert.Null(cart.AppliedCoupon);
}
