public void When_AnItemIsScannedItIsAddedToTheBasket()
{
//--ARRANGE--
var checkout = new Checkout.Checkout();
//--ACT--
checkout.Scan("A");
//--ASSERT--
Assert.True(checkout.Basket.Items.Any());
}
public void GetTotalPrice_ForItemB_Returns30()
{
//Arrange
var sut = new Checkout.Checkout();
//Act
sut.Scan("B");
var result = sut.GetTotalPrice();
//Assert
Assert.That(result, Is.EqualTo(30));
}
public void GetTotalPrice_ForTwoItemA_Returns100()
{
//Arrange
var sut = new Checkout.Checkout();
//Act
sut.Scan("A");
sut.Scan("A");
var result = sut.GetTotalPrice();
//Assert
Assert.That(result, Is.EqualTo(100));
}
public void When_TheTotalIsRequestedItReturnsTheTotalAmount()
{
//--ARRANGE--
var checkout = new Checkout.Checkout();
checkout.Scan("A");
checkout.Scan("B");
//--ACT--
var total = checkout.GetTotalPrice();
//--ASSERT--
Assert.True(total > 0);
}
public void GetTotalPrice_ForOneOfEachItem_Returns115()
{
//Arrange
var sut = new Checkout.Checkout();
//Act
sut.Scan("A");
sut.Scan("B");
sut.Scan("C");
sut.Scan("D");
var result = sut.GetTotalPrice();
//Assert
Assert.That(result, Is.EqualTo(115));
}
public void When_AnOfferISAvailableItShouldBeApplied()
{
//--ARRANGE--
var checkout = new Checkout.Checkout();
checkout.Scan("B");
checkout.Scan("A");
checkout.Scan("B");
//--ACT--
var total = checkout.GetTotalPrice();
//--ASSERT--
Assert.True(total > 0);
Assert.Equal(95, total);
}
private static CheckoutResult PerformCheckout(Basket basket)
{
var checkout = new Checkout.Checkout();
return(checkout.PerformCheckout(basket));
}
