public void NoItemValidDataTest()
{
ICart cart = new Cart();
ICalculateCartPrice calculateCartPrice = new CalculateCartPrice(cart);
Assert.AreEqual(0, calculateCartPrice.GetCartFinalPrice());
}
public void Buy2Get1WithInvalidMinimumCartItemTest()
{
ICart cart = new Cart();
cart.AddItem(new CartItem("1", 100, 1));
cart.AddItem(new CartItem("2", 300, 1));
ICalculateCartPrice calculateCartPrice = new CalculateCartPrice(cart, "Buy 2 Get 1");
Exception ex = Assert.ThrowsException <Exception>(() => calculateCartPrice.GetCartFinalPrice());
Assert.AreEqual("MinCartItemError", ex.Message);
}
public void Buy2Get1WithValidDataTest()
{
ICart cart = new Cart();
cart.AddItem(new CartItem("1", 100, 1));
cart.AddItem(new CartItem("2", 100, 1));
cart.AddItem(new CartItem("3", 100, 1));
ICalculateCartPrice calculateCartPrice = new CalculateCartPrice(cart, "Buy 2 Get 1");
Assert.AreEqual(200, calculateCartPrice.GetCartFinalPrice());
}
public void NoDiscountValidDataTest()
{
ICart cart = new Cart();
cart.AddItem(new CartItem("1", 100, 1));
cart.AddItem(new CartItem("2", 100, 1));
cart.AddItem(new CartItem("3", 100, 1));
ICalculateCartPrice calculateCartPrice = new CalculateCartPrice(cart);
Assert.AreEqual(300, calculateCartPrice.GetCartFinalPrice());
}
public void InvalidDiscountValidDataTest()
{
ICart cart = new Cart();
cart.AddItem(new CartItem("1", 100, 1));
cart.AddItem(new CartItem("2", 100, 1));
cart.AddItem(new CartItem("3", 100, 1));
ICalculateCartPrice calculateCartPrice = new CalculateCartPrice(cart, "InvalidDiscount");
Exception ex = Assert.ThrowsException <Exception>(() => calculateCartPrice.GetCartFinalPrice());
Assert.AreEqual("InvalidDiscount", ex.Message);
}
static void Main(string[] args)
{
Console.WriteLine("Enter each CartItems in new line.");
Console.WriteLine("e.g. ItemQuantity, ItemPrice");
Console.WriteLine("e.g. 1, 100");
int itemCount = 1;
char input = 'm';
ICart cart = new Cart();
do
{
try
{
Console.WriteLine("Enter {0} item details", itemCount);
string[] itemDetail = Console.ReadLine().Split(',');
cart.AddItem(new CartItem(1 + "", Convert.ToDouble(itemDetail[1]), Convert.ToInt32(itemDetail[0])));
itemCount += 1;
Console.WriteLine("Item Added to cart successfully. ");
Console.WriteLine("Enter m for more items and c checkout : ");
input = Convert.ToChar(Console.ReadLine());
} catch (Exception ex)
{
Console.WriteLine("Enter item details in correct format");
}
} while (input != 'c');
Console.WriteLine("Available Offers - ");
Console.WriteLine("Buy 2 Get 1 ( T&C - Min cart value is 200, and Min Item is 3)");
Console.WriteLine("30% Off ( T&C - Min cart value is 500, and Min Item is 1)");
Console.WriteLine("Buy 1 Get 1 ( T&C - Min cart value is 200, and Min Item is 2)");
Console.WriteLine("Buy 2 Get 2 ( T&C - Min cart value is 200, and Min Item is 4)");
Console.WriteLine("Enter offers (case sensitive)");
string discount = Console.ReadLine();
ICalculateCartPrice calculateCartPrice = new CalculateCartPrice(cart, discount);
try
{
Console.WriteLine("Your cart price is {0}", calculateCartPrice.GetCartFinalPrice());
}
catch (Exception ex)
{
Console.WriteLine("Invalid discount applied.");
Console.WriteLine("More Info - {0}", ex.Message);
}
Console.Read();
}