public CreditCardInterestLogicTests()
{
//Setting shared interest rates. All test cases have the same interest rates
_mockInterestRateProvider = new Mock <IInterestRateProvider>();
var interestRates = new List <KeyValuePair <CreditCardType, double> >
{
new KeyValuePair <CreditCardType, double>(CreditCardType.Visa, .10),
new KeyValuePair <CreditCardType, double>(CreditCardType.MasterCard, .05),
new KeyValuePair <CreditCardType, double>(CreditCardType.Discover, .01)
};
_mockInterestRateProvider.Setup(i => i.GetInterestRates()).Returns(interestRates);
_logic = new CreditCardInterestLogic(_mockInterestRateProvider.Object);
}
static void Main(string[] args)
{
ICreditCardInterestLogic interestLogic = new CreditCardInterestLogic();
var cardHolder1 = new CreditCardHolder
{
Wallets = new List <Wallet>
{
new Wallet
{
CreditCards = new List <CreditCard>
{
new VisaCreditCard {
Balance = 100
},
new MasterCardCreditCard {
Balance = 100
},
new DiscoverCreditCard {
Balance = 100
}
}
}
}
};
interestLogic.CalculateInterestForHolder(cardHolder1);
Console.WriteLine("\nTEST CASE 1");
var cards = cardHolder1.Wallets.First().CreditCards.ToList();
cards.ForEach(c => Console.WriteLine($"Interest for {c.Type} card: {c.SimpleInterest}"));
Console.WriteLine($"Total interest for card holder: {cardHolder1.TotalInterest}");
var cardHolder2 = new CreditCardHolder
{
Wallets = new List <Wallet>
{
new Wallet
{
CreditCards = new List <CreditCard>
{
new VisaCreditCard {
Balance = 100
},
new DiscoverCreditCard {
Balance = 100
}
}
},
new Wallet
{
CreditCards = new List <CreditCard>
{
new MasterCardCreditCard {
Balance = 100
},
}
}
}
};
interestLogic.CalculateInterestForHolder(cardHolder2);
Console.WriteLine("\nTEST CASE 2");
var case2Wallets = cardHolder2.Wallets.ToList();
case2Wallets.ForEach(w => Console.WriteLine($"Interest for wallet: {w.TotalInterest}"));
Console.WriteLine($"Total interest for card holder: {cardHolder2.TotalInterest}");
var cardHolderGroups3 = new List <CreditCardHolder>
{
new CreditCardHolder
{
Wallets = new List <Wallet>
{
new Wallet
{
CreditCards = new List <CreditCard>
{
new MasterCardCreditCard {
Balance = 100
},
new VisaCreditCard {
Balance = 100
}
}
}
}
},
new CreditCardHolder
{
Wallets = new List <Wallet>
{
new Wallet
{
CreditCards = new List <CreditCard>
{
new VisaCreditCard {
Balance = 100
},
new MasterCardCreditCard {
Balance = 100
},
}
}
}
}
};
Console.WriteLine("\nTEST CASE 3");
for (int i = 0; i < cardHolderGroups3.Count; i++)
{
interestLogic.CalculateInterestForHolder(cardHolderGroups3[i]);
var case3Wallets = cardHolderGroups3[i].Wallets.ToList();
case3Wallets.ForEach(w => Console.WriteLine($"Interest for card holder {i + 1} wallet: {w.TotalInterest}"));
Console.WriteLine($"Total interest for card holder {i + 1}: {cardHolderGroups3[i].TotalInterest}\n");
}
}
