public void CanAddBaseProducts()
{
// arrange
var bundle = new Bundle();
// act
bundle.AddBaseProduct(5, "pepsi");
// assert
Assert.Equal(1, bundle.BaseProducts.Count);
Assert.Equal("pepsi", bundle.BaseProducts[0].Product);
Assert.Equal(5, bundle.BaseProducts[0].Quantity);
}
public void CanAddAdditionProducts()
{
// arrange
var bundle = new Bundle();
// act
bundle.AddAdditionProduct("cup").WithPercentOff(75).OnQuantity( 2 );
// assert
Assert.Equal(1, bundle.AdditionProducts.Count);
Assert.Equal("cup", bundle.AdditionProducts[0].Product);
Assert.Equal(2, bundle.AdditionProducts[0].Quantity);
Assert.Equal(75, bundle.AdditionProducts[0].PercentOff);
}
public void CanGiveTwoCups75PercentOffForFivePepsi()
{
// arrange
var order = new Order();
order.AddItem("pepsi").Quantity(5).PricePerUnit(1);
order.AddItem("souvenir cup").Quantity(2).PricePerUnit(2);
var bundle = new Bundle();
bundle.AddBaseProduct(5, "pepsi");
bundle.AddAdditionProduct("souvenir cup").WithPercentOff(75).OnQuantity(2);
order.AddDiscount(bundle);
// act
order.ApplyDiscounts();
var total = order.CalculateTotal();
// assert
Assert.Equal(6, total);
}
public void CanGetShortBundleDescription()
{
// arrange
var bundle = new Bundle();
bundle.AddBaseProduct(2, "pepsi");
bundle.AddBaseProduct(3, "hotdogs");
bundle.AddAdditionProduct("plates").WithPercentOff(50).OnQuantity(2);
bundle.AddAdditionProduct("forks").WithPercentOff(25).OnQuantity(4);
// act
string descr = bundle.GetShortBundleDescr();
// assert
const string expected =
"[2 pepsi, 3 hotdogs] => " +
"[50% off on 2 plates, 25% off on 4 forks]";
Assert.Equal(expected, descr);
}