public void Return0ForNoItems()
{
var configuredPrices = new Dictionary <string, Prices>();
configuredPrices["A"] = new Prices()
{
UnitPrice = 50
};
var defaultPriceCalculator = new DefaultPriceCalculator(configuredPrices);
var checkout = new DefaultCheckout(defaultPriceCalculator);
var total = checkout.GetTotalPrice();
Assert.Equal(0, total);
}
public void ReturnCorrectPriceForAConfiguredPrice()
{
var configuredPrices = new Dictionary <string, Prices>();
configuredPrices["C"] = new Prices()
{
UnitPrice = 20
};
var defaultPriceCalculator = new DefaultPriceCalculator(configuredPrices);
var checkout = new DefaultCheckout(defaultPriceCalculator);
checkout.Scan("C");
var total = checkout.GetTotalPrice();
Assert.Equal(20, total);
}
public void Return30ForOneB()
{
var configuredPrices = new Dictionary <string, Prices>();
configuredPrices["B"] = new Prices()
{
UnitPrice = 30
};
var defaultPriceCalculator = new DefaultPriceCalculator(configuredPrices);
var checkout = new DefaultCheckout(defaultPriceCalculator);
checkout.Scan("B");
var total = checkout.GetTotalPrice();
Assert.Equal(30, total);
}
public void ReturnCorrectPriceForComplexCombination()
{
var configuredPrices = new Dictionary <string, Prices>();
configuredPrices["A"] = new Prices()
{
UnitPrice = 50, SpecialPrice = new SpecialPrice()
{
Quantity = 3, Price = 130
}
};
configuredPrices["B"] = new Prices()
{
UnitPrice = 30, SpecialPrice = new SpecialPrice()
{
Quantity = 2, Price = 45
}
};
configuredPrices["C"] = new Prices()
{
UnitPrice = 20
};
configuredPrices["D"] = new Prices()
{
UnitPrice = 15
}; var defaultPriceCalculator = new DefaultPriceCalculator(configuredPrices);
var checkout = new DefaultCheckout(defaultPriceCalculator);
checkout.Scan("A");
checkout.Scan("B");
checkout.Scan("A");
checkout.Scan("C");
checkout.Scan("A");
checkout.Scan("D");
checkout.Scan("A");
checkout.Scan("B");
checkout.Scan("C");
var total = checkout.GetTotalPrice();
Assert.Equal(280, total);
}
public void ReturnSpecialPriceOf130ForThreeAs()
{
var configuredPrices = new Dictionary <string, Prices>();
configuredPrices["A"] = new Prices()
{
UnitPrice = 50, SpecialPrice = new SpecialPrice()
{
Quantity = 3, Price = 130
}
};
var defaultPriceCalculator = new DefaultPriceCalculator(configuredPrices);
var checkout = new DefaultCheckout(defaultPriceCalculator);
checkout.Scan("A");
checkout.Scan("A");
checkout.Scan("A");
var total = checkout.GetTotalPrice();
Assert.Equal(130, total);
}
