public void AddProduct_CorrectProduct_CorrectAdding()
{
var cartManager = new ShoppingCartManager(new CommandManager());
var product = new VanilaCandy(1, "buble", 1M, 10);
cartManager.AddProduct(product);
Assert.IsTrue(cartManager.Products.Contains(product));
}
public void RemoveProduct_ProductIsContains_ProductRemoving()
{
var cartManager = new ShoppingCartManager(new CommandManager());
var product = new VanilaCandy(1, "buble", 1M, 10);
cartManager.AddProduct(product);
cartManager.RemoveProduct(product);
Assert.IsTrue(!cartManager.Products.Contains(product));
}
public void Undo_UndoAddProduct_ProductIsNotContains()
{
var cartManager = new ShoppingCartManager(new CommandManager());
var product = new VanilaCandy(1, "buble", 1M, 10);
cartManager.AddProduct(product);
cartManager.Undo();
Assert.IsTrue(!cartManager.Products.Contains(product));
}
public void ChangeProductCount_SetNegativeCount_ThrowArgumentException()
{
var cartManager = new ShoppingCartManager(new CommandManager());
var product = new VanilaCandy(1, "buble", 2M, 10);
cartManager.AddProduct(product);
cartManager.ChangeProductCount(product, 15);
Assert.Throws <ArgumentException>(() => cartManager.ChangeProductCount(product, -5));
}
public void ChangeProductCount_SetCorrectCount_SetNewCount()
{
var cartManager = new ShoppingCartManager(new CommandManager());
var product = new VanilaCandy(1, "buble", 2M, 10);
cartManager.AddProduct(product);
cartManager.ChangeProductCount(product, 15);
Assert.IsTrue(product.Count == 15);
}
public void ApplyProductCupon_UseCorrectProductCupon_ReturnCorrectProductTotalPrice()
{
var cartManager = new ShoppingCartManager(new CommandManager());
var product = new VanilaCandy(1, "buble", 2M, 10);
var cupon = new DiscountProductCupon(0.5M, 3);
cartManager.AddProduct(product);
cartManager.SetProductCupon(product, cupon);
Assert.IsTrue(product.TotalPrice == 10M);
}
public void Undo_UndoApplingCartCupon_ReturnCorrectCartTotalPrice()
{
var cartManager = new ShoppingCartManager(new CommandManager());
var product = new VanilaCandy(1, "buble", 2M, 10);
var cupon = new DiscountCartCupon(0.5M);
cartManager.AddProduct(product);
cartManager.SetCartCupon(cupon);
cartManager.Undo();
Assert.IsTrue(cartManager.TotalPrice == 20M);
}
public void GenerateReceipt_GenerateWithCorrectCartPasrameters_ReturnCorrectText()
{
const string expectedResult = "Tnx!\r\nName...price...count...summ\r\nbuble...1...10...8,0\r\nTotal: 4,00\r\n";
var cartManager = new ShoppingCartManager(new CommandManager());
var product = new VanilaCandy(1, "buble", 1M, 10);
cartManager.AddProduct(product);
cartManager.SetProductCupon(product, new DiscountProductCupon(0.8M, 3));
cartManager.SetCartCupon(new DiscountCartCupon(0.5M));
var result = new SomeReceiptGenerator().Generate(cartManager);
Assert.IsTrue(result == expectedResult);
}