public void Constructor_SetCreditStoreBand_High()
        {
            var calculatorFloor = new CreditScoreCalculator(851);

            Assert.Equal(CreditScoreBands.High, calculatorFloor.CreditScoreBand);

            var calculatorCeiling = new CreditScoreCalculator(1000);

            Assert.Equal(CreditScoreBands.High, calculatorCeiling.CreditScoreBand);
        }
        public void Constructor_SetCreditStoreBand_Medium()
        {
            var calculatorFloor = new CreditScoreCalculator(701);

            Assert.Equal(CreditScoreBands.Medium, calculatorFloor.CreditScoreBand);

            var calculatorCeiling = new CreditScoreCalculator(850);

            Assert.Equal(CreditScoreBands.Medium, calculatorCeiling.CreditScoreBand);
        }
        public void Constructor_SetCreditStoreBand_Low()
        {
            var calculatorFloor = new CreditScoreCalculator(451);

            Assert.Equal(CreditScoreBands.Low, calculatorFloor.CreditScoreBand);

            var calculatorCeiling = new CreditScoreCalculator(700);

            Assert.Equal(CreditScoreBands.Low, calculatorCeiling.CreditScoreBand);
        }
        public void Constructor_SetCreditStoreBand_Ineligible()
        {
            var calculatorFloor = new CreditScoreCalculator(0);

            Assert.Equal(CreditScoreBands.Ineligible, calculatorFloor.CreditScoreBand);

            var calculatorCeiling = new CreditScoreCalculator(450);

            Assert.Equal(CreditScoreBands.Ineligible, calculatorCeiling.CreditScoreBand);
        }
Exemple #5
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        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 CreditScoreCalculator(925);

            Assert.Equal(3, calculator.GetScore());
        }
        public void GetScore_Medium()
        {
            var calculator = new CreditScoreCalculator(800);

            Assert.Equal(2, calculator.GetScore());
        }
        public void GetScore_Low()
        {
            var calculator = new CreditScoreCalculator(600);

            Assert.Equal(1, calculator.GetScore());
        }
        public void GetScore_Ineligible()
        {
            var calculator = new CreditScoreCalculator(200);

            Assert.Throws <IneligibleCreditScoreException>(() => calculator.GetScore());
        }