public void Constructor_SetCompletedPaymentsBand_High()
{
var calculatorFloor = new CompletedPaymentsCalculator(3);
Assert.Equal(CompletedPaymentsBands.High, calculatorFloor.CompletedPaymentBand);
var calculatorFloating = new CompletedPaymentsCalculator(6);
Assert.Equal(CompletedPaymentsBands.High, calculatorFloating.CompletedPaymentBand);
}
public decimal CalculateCredit(Customer customer)
{
var creditScoreCalculator = new CreditScoreCalculator(customer.BureauScore);
var missedPaymentsCalculator = new MissedPaymentsCalculator(customer.MissedPaymentCount);
var completedPaymentsCalculator = new CompletedPaymentsCalculator(customer.CompletedPaymentCount);
if (creditScoreCalculator.CreditScoreBand == CreditScoreBands.Ineligible)
{
throw new InvalidCreditScoreException("Customer's credit score is too low.");
}
var maximumPoints = creditScoreCalculator.GetScore() + missedPaymentsCalculator.GetScore() + completedPaymentsCalculator.GetScore();
var ageAdjustedPoints = ApplyAgePointsCeiling(maximumPoints, customer.AgeInYears);
return(CalculateAvailableCreditFromPoints(ageAdjustedPoints));
}
public void GetScore_High()
{
var calculator = new CompletedPaymentsCalculator(5);
Assert.Equal(4, calculator.GetScore());
}
public void GetScore_Medium()
{
var calculator = new CompletedPaymentsCalculator(2);
Assert.Equal(3, calculator.GetScore());
}
public void Constructor_SetCompletedPaymentsBand_Medium()
{
var calculator = new CompletedPaymentsCalculator(2);
Assert.Equal(CompletedPaymentsBands.Medium, calculator.CompletedPaymentBand);
}
public void GetScore_Low()
{
var calculator = new CompletedPaymentsCalculator(1);
Assert.Equal(2, calculator.GetScore());
}
public void Constructor_SetCompletedPaymentsBand_Low()
{
var calculator = new CompletedPaymentsCalculator(1);
Assert.Equal(CompletedPaymentsBands.Low, calculator.CompletedPaymentBand);
}
public void GetScore_Zero()
{
var calculator = new CompletedPaymentsCalculator(0);
Assert.Equal(0, calculator.GetScore());
}
public void Constructor_SetCompletedPaymentsBand_Zero()
{
var calculator = new CompletedPaymentsCalculator(0);
Assert.Equal(CompletedPaymentsBands.Zero, calculator.CompletedPaymentBand);
}