/*
* . Accept a flat file as input
+ 1. Each line will contain the amount owed and the amount paid separated by a comma (for example: 2.13,3.00)
+ 2. Expect that there will be multiple lines
*/
public string ProcessAmounts(TransactionAmounts transactionAmounts)
{
string str;
AbsTranslator translator;
decimal d = new CashRegister().CalculateChange(transactionAmounts);
if (d > 0)
{
if ((d % 3) == 0)
{
translator = new TranslatorFactory().GetTranslator(MoneyConstants.RandomUSD);
str = translator.TranslateAmount(d);
}
else
{
translator = new TranslatorFactory().GetTranslator(MoneyConstants.USD);
str = translator.TranslateAmount(d);
}
}
else if (d == 0)
{
str = "You have paid the exact amount";
}
else
{
translator = new TranslatorFactory().GetTranslator(MoneyConstants.USD);
str = "You still owe "+translator.TranslateAmount(Math.Abs(d));
}
return str;
}
public void B_TestCalculateChange()
{
var cr = new CashRegister();
decimal d = cr.CalculateChange(
new TransactionAmounts()
{
AmountOwed = 2.12m,
AmountPaid = 3.00m
});
Assert.AreEqual(d,.88m);
}