public void Total_Scan1ItemNoDiscount_ReturnsCorrectPrice()
{
Checkout checkout = new Checkout(this.ruleFactory.Load());
checkout.Scan("A");
checkout.Total().Should().Be(50);
}
public void Total_DoNotScanAnything_Returns0()
{
Checkout checkout = new Checkout(this.ruleFactory.Load());
checkout.Scan(string.Empty);
checkout.Total().Should().Be(0);
}
public void Total_ScanManyAllItemsWithDiscount_ReturnsCorrectPrice()
{
Checkout checkout = new Checkout(this.ruleFactory.Load());
checkout.Scan("A");
checkout.Scan("A");
checkout.Scan("A");
checkout.Scan("B");
checkout.Scan("B");
checkout.Total().Should().Be(175);
}
public void Total_NoRules_Returns0()
{
Checkout checkout = new Checkout(null);
checkout.Total().Should().Be(0);
}