public void Scan_Product_Test()
{
var fakeReadonlyDataRepository = new FakeReadonlyDataRepository();
var checkout = new Checkout(fakeReadonlyDataRepository);
const string sku = "A";
checkout.Scan(sku);
var expected = checkout.Products.FirstOrDefault(x => x.Sku == sku);
// with testing framework, setup can be easier, and assert can spread to individual test function.
Assert.NotNull(expected);
Assert.Equal(50, expected.Price);
}
public void Get_Total_Price_Test(int price)
{
var fakeReadonlyDataRepository = new FakeReadonlyDataRepository();
var checkout = new Checkout(fakeReadonlyDataRepository);
var product = new Product
{
Price = price
};
checkout.Products.Add(product);
var expected = checkout.GetTotalPrice();
Assert.Equal(price, expected);
}
public void Add_Offer_Products_Total_Price_Should_Be_Offer_Price(int productPrice, int offerQuantity, int offerPrice)
{
// mocking data
var fakeReadonlyDataRepository = new FakeReadonlyDataRepository();
var offer = fakeReadonlyDataRepository.Offers.First();
offer.Price = offerPrice;
offer.Quantity = offerQuantity;
var product = new Product
{
Sku = offer.Sku,
Price = productPrice,
};
var checkout = new Checkout(fakeReadonlyDataRepository);
for (var i = 0; i < offerQuantity; i++)
{
checkout.Products.Add(product);
}
var expected = checkout.GetTotalPrice();
Assert.Equal(offerPrice, expected);
}
