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.AreEqual(10, cart.TotalItems);
}
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.IsNotNull(item);
}
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.IsNull(item);
}
public Customer(string userName, string email, string first, string last, ShoppingCart cart)
: base(userName)
{
FirstName = first;
LastName = last;
Email = email;
LanguageCode = "en";
Cart = cart ?? new ShoppingCart();
UserName = userName ?? Guid.NewGuid().ToString();
}
public void ItemLastAdded_Should_Be_Sku2_When_SKu1_Sku2_Added_In_Sequence()
{
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));
Assert.AreEqual("SKU2", cart.ItemLastAdded.Product.SKU);
}
public IList<ShippingMethod> CalculateShipping(ShoppingCart cart)
{
//pull the rates
var shippingMethods=OrderRepository.GetShippingMethods().ToList();
//get the total weight of the order
decimal totalWeight = cart.Items.Sum(x => x.Product.WeightInPounds * x.Quantity);
//loop the methods and set the cost
shippingMethods.ForEach(x => x.Cost = x.BaseRate + (x.RatePerPound * totalWeight));
return shippingMethods;
}
public decimal CalculateTax(ShoppingCart cart)
{
Dictionary<string, decimal> TaxTable = new Dictionary<string, decimal>();
TaxTable.Add("HI", .0512M);
TaxTable.Add("CA", .0815M);
TaxTable.Add("WA", .0612M);
decimal result = 0;
decimal rate = 0;
//check the rates against the shipping address
if(TaxTable.ContainsKey(cart.ShippingAddress.StateOrProvince))
rate = TaxTable[cart.ShippingAddress.StateOrProvince];
result = rate * cart.SubTotal;
return result;
}
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.AreEqual(1, cart.Items.Count);
}
public void SaveCart(ShoppingCart cart)
{
//using the Orders/OrderItems tables to persist the car
//with the idea that a cart is an order that hasn't checked out
//yet. This is a DB-centric decision, our model separates this
//concept. StatusID 99 marks an order as "Not Checked Out"
List<DbCommand> commands = new List<DbCommand>();
Guid orderID = Guid.NewGuid();
orderID = GetCartID(cart.UserName);
var settings = new Dictionary<string, object>();
if (cart.BillingAddress != null)
settings.Add(OrdersTable.Columns.BillingAddressID, cart.BillingAddress.AddressID);
if (cart.ShippingAddress != null)
settings.Add(OrdersTable.Columns.ShippingAddressID, cart.ShippingAddress.AddressID);
settings.Add(OrdersTable.Columns.ShippingService, cart.ShippingService);
settings.Add(OrdersTable.Columns.ShippingAmount, cart.ShippingAmount);
settings.Add(OrdersTable.Columns.TaxAmount, cart.TaxAmount);
//save down any address (billing/shipping), selected shipping, and tax info
var sql = OrdersTable.Update(settings)
.Where(OrdersTable.Columns.OrderID, orderID);
commands.Add(sql.BuildCommand());
//remove the existing items
commands.Add(OrderItemsTable.Delete().Where(OrderItemsTable.Columns.OrderID, orderID).BuildCommand());
//save each item in the cart
foreach (var item in cart.Items) {
var itemSql = OrderItemsTable.Insert(new Dictionary<string, object>()
{
{OrderItemsTable.Columns.SKU,item.Product.SKU},
{OrderItemsTable.Columns.OrderID,orderID},
{OrderItemsTable.Columns.Quantity,item.Quantity},
{OrderItemsTable.Columns.DateAdded,item.DateAdded},
{OrderItemsTable.Columns.Discount,item.Discount},
{OrderItemsTable.Columns.DiscountReason,item.DiscountReason}
});
commands.Add(itemSql.BuildCommand());
}
//all in one, nice transaction BOOYAH!
SqlHelper.Execute(commands, connectionStringName);
}
void AddCartItemsToOrder(ShoppingCart cart)
{
foreach (ShoppingCartItem item in cart.Items) {
AddLineItem(item);
}
}
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.AreEqual(0, cart.Items.Count);
}
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.AreEqual(2, cart.TotalItems);
}
public void Total_Should_Be_1_When_1_Product_Added()
{
ShoppingCart cart = new ShoppingCart("TEST");
cart.AddItem(new Product("SKU"));
Assert.AreEqual(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.Price = 90;
cart.AddItem(p, 1);
Assert.AreEqual(90, cart.SubTotal);
cart.TaxAmount = 10;
cart.ShippingAmount = 10;
Assert.AreEqual(110, cart.Total);
}
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.AreEqual(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.AreEqual(1, cart.Items.Count);
cart.RemoveItem("SKU");
Assert.AreEqual(0, cart.Items.Count);
}
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.AreEqual(2, cart.Items.Count);
cart.ClearItems();
Assert.AreEqual(0, cart.Items.Count);
}