public void Total_Should_Be_2_When_2_Same_Products_Added() {
ShoppingCart cart = new ShoppingCart("TEST");
Product p = new Product("SKU");
cart.AddItem(p);
cart.AddItem(p);
Assert.Equal(2, cart.TotalItems);
}
public void Cart_Item_Quantity_Should_Adjust_To_10() {
ShoppingCart cart = new ShoppingCart("TEST");
Product p = new Product("SKU");
cart.AddItem(p);
cart.AdjustQuantity(p, 10);
Assert.Equal(10, cart.TotalItems);
}
public void LoadCart() {
this.Cart = new ShoppingCart(this.UserName);
//load up the cart
//a cart is just an Order, marked with "NotCheckedOut"
//the following factory method will retrieve the current Order
//or create a new one
var existingOrder = Order.FindCurrentOrCreateNew(this.UserName);
if (existingOrder != null) {
//get the items
//pull the products first
var skus = from items in existingOrder.OrderItems
select items.SKU;
var products = from p in Product.All()
join o in OrderItem.All() on p.SKU equals o.SKU
where o.OrderID==existingOrder.OrderID
select p;
foreach (var item in existingOrder.OrderItems) {
this.Cart.AddItem(products.SingleOrDefault(x => x.SKU == item.SKU), item.Quantity, item.DateAdded);
}
this.Cart.ShippingAddress = existingOrder.ShippingAddress;
this.Cart.BillingAddress = existingOrder.BillingAddress;
}
}
public void Items_Count_Should_Be_1_When_2_of_Same_Product_Added() {
ShoppingCart cart = new ShoppingCart("TEST");
Product p = new Product("SKU");
cart.AddItem(p);
cart.AddItem(p);
Assert.Equal(1, cart.Items.Count);
}
public IList<ShippingMethod> CalculateShipping(ShoppingCart cart) {
//pull the rates
var shippingMethods = ShippingMethod.All().ToList();
//loop the methods and set the cost
shippingMethods.ForEach(x => x.CalculateCost(cart));
return shippingMethods;
}
public void Item_Should_Have_LineTotal_Of_10_With_2_Products_With_Price_5() {
ShoppingCart cart = new ShoppingCart("TEST");
Product p = new Product("SKU");
p.BasePrice = 5;
cart.AddItem(p);
cart.AddItem(p);
Assert.Equal(10, cart.Items[0].LineTotal);
}
public decimal CalculateTax(ShoppingCart cart) {
Dictionary<string, decimal> TaxTable = new Dictionary<string, decimal>();
TaxTable.Add("HI", .0412M);
TaxTable.Add("CA", .0815M);
TaxTable.Add("WA", .0612M);
decimal result = 0;
decimal rate = 0;
//check the rates against the shipping address
//if the states match, chargem
if(TaxTable.ContainsKey(cart.ShippingAddress.StateOrProvince))
rate = TaxTable[cart.ShippingAddress.StateOrProvince];
result = rate * cart.SubTotal;
return result;
}
public void Total_Should_Be_2_When_2_Different_Products_Added() {
ShoppingCart cart = new ShoppingCart("TEST");
cart.AddItem(new Product("SKU1"));
cart.AddItem(new Product("SKU2"));
Assert.Equal(2, cart.TotalItems);
}
public void Total_Should_Be_1_When_1_Product_Added() {
ShoppingCart cart = new ShoppingCart("TEST");
cart.AddItem(new Product("SKU"));
Assert.Equal(1, cart.TotalItems);
}
public void Total_Should_Be_110_With_90_Subtotal_10_Tax_and_10_Shipping() {
ShoppingCart cart = new ShoppingCart("TEST");
Product p = new Product("SKU");
p.BasePrice = 90;
cart.AddItem(p, 1);
Assert.Equal(90, cart.SubTotal);
cart.TaxAmount = 10;
cart.ShippingAmount = 10;
Assert.Equal(110, cart.Total);
}
public void SubTotal_Should_Be_100_When_2_Items_of_Price_5_Adjusted_to_20() {
ShoppingCart cart = new ShoppingCart("TEST");
Product p = new Product("SKU");
p.BasePrice = 5;
cart.AddItem(p, 1);
cart.AddItem(p, 1);
Assert.Equal(10, cart.SubTotal);
cart.AdjustQuantity(p, 20);
Assert.Equal(100, cart.SubTotal);
}
public void ItemLastAdded_Should_Be_Sku2_When_SKu1_Sku2_Added_In_Sequence_Regardless_Of_Adjustments() {
ShoppingCart cart = new ShoppingCart("TEST");
Product p = new Product("SKU1");
Product p2 = new Product("SKU2");
cart.AddItem(p, 1, DateTime.Now.AddSeconds(-1));
cart.AddItem(p2, 1, DateTime.Now.AddSeconds(1));
cart.AdjustQuantity(p, 10);
Assert.Equal("SKU2", cart.ItemLastAdded.Product.SKU);
}
public void Items_Count_Should_Be_0_When_2_Items_Cleared() {
ShoppingCart cart = new ShoppingCart("TEST");
Product p = new Product("SKU");
Product p2 = new Product("SKU2");
//Clock-foolery
cart.AddItem(p, 1);
cart.AddItem(p2, 1);
Assert.Equal(2, cart.Items.Count);
cart.ClearItems();
Assert.Equal(0, cart.Items.Count);
}
public void Items_Count_Should_Be_0_When_SKU_Removed() {
ShoppingCart cart = new ShoppingCart("TEST");
Product p = new Product("SKU");
cart.AddItem(p, 1);
Assert.Equal(1, cart.Items.Count);
cart.RemoveItem("SKU");
Assert.Equal(0, cart.Items.Count);
}
public void Cart_Returns_Null_When_No_Sku_Found() {
ShoppingCart cart = new ShoppingCart("TEST");
Product p = new Product("SKU");
cart.AddItem(p, 1);
var item = cart.FindItem("SKU1");
Assert.Null(item);
}
public void Cart_Can_Return_Item_By_SKU() {
ShoppingCart cart = new ShoppingCart("TEST");
Product p = new Product("SKU");
cart.AddItem(p, 1);
var item = cart.FindItem("SKU");
Assert.NotNull(item);
}
public void Nothing_Should_Be_Added_When_0_Passed_as_Quantity_To_AddItem() {
ShoppingCart cart = new ShoppingCart("TEST");
Product p = new Product("SKU");
cart.AddItem(p, 0);
Assert.Equal(0, cart.Items.Count);
}
public void TotalItems_Should_Be_9_When_Negative_1_Passed_As_Quantity_To_Existing_10_Items() {
ShoppingCart cart = new ShoppingCart("TEST");
Product p = new Product("SKU");
cart.AddItem(p, 10);
cart.AddItem(p, -1);
Assert.Equal(9, cart.TotalItems);
}
public void Items_Count_Should_Be_0_When_10_Items_Adjusted_To_Negative_10() {
ShoppingCart cart = new ShoppingCart("TEST");
Product p = new Product("SKU");
cart.AddItem(p,10);
cart.AdjustQuantity(p, -10);
Assert.Equal(0, cart.Items.Count);
}
public decimal CalculateCost(ShoppingCart cart) {
_cost = this.BaseRate + (this.RatePerPound * cart.Items.Sum(x => x.Product.WeightInPounds) * cart.Items.Count);
return _cost;
}
