public void ShouldReturnOrder()
{
// Arrange
var fixture = new Fixture();
var controller = new CheckoutController();
var cart = fixture.CreateMany <CartItem>();
// Act
var order = controller.Checkout(cart);
// Assert
order.Should().NotBeNull();
order.TotalQuantity.Should().Be(cart.Count());
order.TotalPrice.Should().Be(cart.Sum(item => item.Book.Price));
}
/// <summary>
/// Method which represents rendering a view.
/// Calls are made to the CheckoutConstructor based on user input.
/// </summary>
public static void Display()
{
const string checkoutTemplate = "1. Checkout Items\n" +
"2. View Price Catalogue\n" +
"3. View Promotion Catalogue\n" +
"4. Sign Out\n" +
"Please select an action: ";
var input = ' ';
while (input != '4')
{
// Show main screen
Console.Write(checkoutTemplate);
input = Console.ReadKey().KeyChar;
Console.WriteLine();
var output = "";
switch (input)
{
// Start Checkout
case '1':
output += _checkoutController.Checkout();
break;
// View Price Catalogue
case '2':
output += _checkoutController.ShowPriceCatalogue();
break;
// View PromotionCatalogue
case '3':
output += _checkoutController.ShowPromotionCatalogue();
break;
// Close the program
case '4':
output += "Signing out...";
break;
// No match; try again
default:
output += $"Invalid Selection: Expected [1-4] - Recieved [{input}]";
break;
}
Console.WriteLine(output);
}
}
public static void Main()
{
// Load all data required to run the program
var priceList = GroceryItemLoader.Load(File.ReadAllText(".\\GroceryItems.json"))
.ToDictionary(i => i.Id, i => i);
var promotions = PromotionLoader.Load(File.ReadAllText(".\\Promotions.json"), priceList);
var basket = BasketItemLoader.Load(File.ReadAllText(".\\Basket.json"));
// Instantiate the controller
var controller = new CheckoutController(priceList, promotions);
// Checkout the items
var view = controller.Checkout(basket);
// Render the view
view.Render();
System.Console.WriteLine("Press a key to continue");
System.Console.ReadKey();
}