public void CartCheckoutWithOneItem_Succeeds()
{
var line = new OrderLine(new Wine());
cart.AddLineToCart(line);
cart.CheckOut();
Assert.AreEqual(1, cart.TotalItems);
}
public void AddLineToCart(OrderLine line)
{
if (!line.IsWineInStock)
throw new InvalidOperationException("Wine is not in out stock.");
if (line.Quantity <= 0)
throw new InvalidOperationException(string.Format("Invalid Quantity: {0}", line.Quantity));
linesToProcess.Add(line);
}
public void CartAddLessOrZeroQuantityElements_Fails(int lessQuantity)
{
var wineToBuy = new Wine { Name = "Great red wine" };
var line = new OrderLine(wineToBuy)
{
Quantity = lessQuantity,
Price = 10
};
Assert.Throws<InvalidOperationException>(() => cart.AddLineToCart(line));
}
public void CartCheckoutPriceOK_OneLine()
{
var wineToBuy = new Wine { Name = "Great red wine" };
var line = new OrderLine(wineToBuy)
{
Quantity = 5,
Price = 50
};
cart.AddLineToCart(line);
cart.CheckOut();
Assert.AreEqual(250, cart.TotalPrice);
}
public void CartCheckout_NoWinesInStock_Fauls()
{
var line = new OrderLine(new Wine() { InStock = false });
Assert.Throws<InvalidOperationException>(() => cart.AddLineToCart(line));
}
public void OrderLineCration_HasSingleQuantity()
{
var line = new OrderLine(new Wine());
Assert.AreEqual(1, line.Quantity);
}