public double CalculateValueForItem(BillItem billItem)
{
ProductValueCalculator productValueCalculator;
double productValue = 0;
switch (billItem?.Product?.Category)
{
case Category.A:
productValueCalculator = new ProductValueCalculator(new ProductCatAStrategy());
break;
case Category.B:
productValueCalculator = new ProductValueCalculator(new ProductCatBStrategy());
break;
case Category.C:
productValueCalculator = new ProductValueCalculator(new ProductCatCStrategy());
break;
default:
productValueCalculator = new ProductValueCalculator(new ProductCatCStrategy());
break;
}
productValue = productValueCalculator.CalculateValue(billItem);
return(productValue);
}
public void Should_Add_TenPercentTax_For_CategoryCProducts()
{
ProductValueCalculator productValueCalculator = new ProductValueCalculator(new ProductCatCStrategy());
double productValue = productValueCalculator.CalculateValue(new BillItem()
{
Product = new Product()
{
Rate = 100
}, Quantity = 1
});
Assert.AreEqual(productValue.ToString("F4"), 100.ToString("F4"));
}
