public void CheckShoppingBasketAddProductToBasket()
{
string[] args = { "Apple", "Milk", "Bread" };
var products = TestDataHelper.GetProductsBeansBreadMilkApple();
IBasketInputReader shoppingBasketInput = new BasketInputReader();
ShoppingBasket shoppingBasket = shoppingBasketInput.CreateBasketFromInput(args, products);
Assert.IsTrue(shoppingBasket.GetItemCountById(products.GetProductByName("Apple").Id) == 1);
Assert.IsTrue(shoppingBasket.GetItemCountById(products.GetProductByName("Milk").Id) == 1);
Assert.IsTrue(shoppingBasket.GetItemCountById(products.GetProductByName("Bread").Id) == 1);
Assert.IsTrue(products.GetProductByName("Not In Basket") == null);
}
public string Process(string[] args)
{
// read input from user
IBasketInputReader basketInputReader = new BasketInputReader();
ShoppingBasket shoppingBasket = basketInputReader.CreateBasketFromInput(args, _productsDL);
// calculate snopping basket price
IBasketCalculator basketCalculator = new BasketCalculator(_specialOffersDL);
CalculatedPrice calculatedPrice = basketCalculator.CalculatePrice(shoppingBasket);
// write output
IBasketPriceWriter basketPriceWriter = new BasketPriceWriter();
return(basketPriceWriter.GetOutputString(calculatedPrice));
}
public void CheckNoProductToBuyIfNullThrowsNoProductToBuyException()
{
string input = "Not In Product";
string[] args = { input };
IBasketInputReader shoppingBasketInput = new BasketInputReader();
try
{
ShoppingBasket shoppingBasket = shoppingBasketInput.CreateBasketFromInput(args, null);
Assert.Fail("Should have thrown InvalidProductArgumentException exception");
}
catch (NoProductToBuyException ex)
{
Assert.IsTrue(ex.Message.ToLower().Contains("no products to purchase"));
}
}
public void CheckInvalidInputThrowsInvalidInputException()
{
string input = "Not In Product";
string[] args = { input };
var products = TestDataHelper.GetProductsBeansBreadMilkApple();
IBasketInputReader shoppingBasketInput = new BasketInputReader();
try
{
ShoppingBasket shoppingBasket = shoppingBasketInput.CreateBasketFromInput(args, products);
Assert.Fail("Should have thrown InvalidProductArgumentException exception");
}catch (InvalidInputException ex)
{
Assert.IsTrue(ex.Message.ToLower().Contains(input.ToLower()));
}
}
