public decimal CalculateCorrectMonthlyRepayment_return(decimal principal, decimal interestRate, int term)
{
var loan = new LoanRepaymentCalculator();
double act = (double)loan.CalculateMonthlyRepayment(new LoanAmount("USD", principal), interestRate, new LoanTerm(term));
return(new decimal(Math.Round(act, 2, MidpointRounding.AwayFromZero)));
}
public void CalculateCorrectMonthlyRepayment_Centralized(decimal principal, decimal interestRate, int termInYears, decimal expectedMonthlyPayment)
{
var sut = new LoanRepaymentCalculator();
var monthlyPayment = sut.CalculateMonthlyRepayment(new LoanAmount("USD", principal), interestRate, new LoanTerm(termInYears));
Assert.That(monthlyPayment, Is.EqualTo(expectedMonthlyPayment));
}
public void CalculateCorrectMonthlyRepayment_csv(decimal principal, decimal interestRate, int term, decimal expectedValue)
{
var loan = new LoanRepaymentCalculator();
var act = loan.CalculateMonthlyRepayment(new LoanAmount("USD", principal), interestRate, new LoanTerm(term));
Assert.That(act, Is.EqualTo(expectedValue));
}
public void CalculateCorrectMonthlyRepayment_10Percent()
{
var sut = new LoanRepaymentCalculator();
var monthlyPayment = sut.CalculateMonthlyRepayment(new LoanAmount("USD", 200_000), 10m, new LoanTerm(30));
Assert.That(monthlyPayment, Is.EqualTo(1755.14));
}
public void CalculateCorrectMonthlyRepayment_GenerateTestData(
[Values(100000, 200000)] decimal principal,
[Values(5, 6)] decimal interestRate,
[Values(20, 30)] int term)
{
var loan = new LoanRepaymentCalculator();
var act = loan.CalculateMonthlyRepayment(new LoanAmount("USD", principal), interestRate, new LoanTerm(term));
}
public decimal CalculateCorrectMonthlyRepayment_Param_Reture_Data(decimal principal,
decimal interestRate,
int termYears)
{
var sut = new LoanRepaymentCalculator();
return(sut.CalculatorMonthlyRepayment(
new LoanAmount("USD", principal), interestRate, new LoanTerm(termYears)));
}
public decimal CalculateCorrectMonthlyRepayment_CentralizedWithReturn(decimal principal,
decimal interestRate,
int termInYears)
{
var sut = new LoanRepaymentCalculator();
return(sut.CalculateMonthlyRepayment(
new LoanAmount("USD", principal), interestRate, new LoanTerm(termInYears)));
}
public decimal CalculateCorrectMonthlyRepayment_Simplified(
decimal principal,
decimal interestRate,
int termInYears)
{
var calculator = new LoanRepaymentCalculator();
return(calculator.CalculateMonthlyRepayment(new LoanAmount("USD", principal), interestRate, new LoanTerm(termInYears)));
}
public void CalculateCorrectMontlyRepayment_Range(
[Range(50000, 1000000, 50000)] decimal principal,
[Range(0.5, 20.00, 0.5)] decimal interestRate,
[Values(10, 20, 30)] int periodYear)
{
var sut = new LoanRepaymentCalculator();
sut.CalculateMonthlyRepayment(new LoanAmount("RSD", principal), interestRate, new LoanTerm(periodYear));
}
public void ReturnComparisonForFirstProduct()
{
List <MonthlyRepaymentComparsion> comparsions = sut.CompareMonthlyRepayments(new LoanTerm(30));
var repayment = new LoanRepaymentCalculator().CalculatorMonthlyRepayment(new LoanAmount("USD", 200_000m), 1, new LoanTerm(30));
var expectedProduct = new MonthlyRepaymentComparsion("a", 1, repayment);
// Assert.That(comparsions, Does.Contain(comparsions[0]));
Assert.That(comparsions, Does.Contain(expectedProduct));
}
public void CalculateCorrectMonthlyRepayment_Combinatorial(
[Values(10000, 20000, 30000)] decimal principal,
[Values(6.5, 10, 20)] decimal interestRate,
[Values(10, 20, 30)] int termYears)
{
// 27种结果
var sut = new LoanRepaymentCalculator();
var monthlyPayment = sut.CalculatorMonthlyRepayment(
new LoanAmount("USD", principal), interestRate, new LoanTerm(termYears));
}
public void CalculateCorrectMonthlyRepayment_Range(
[Range(50000, 10000000, 50000)] decimal principal,
[Range(0.5, 20, 0.5)] decimal interestRate,
[Values(10, 20, 30)] int termYears)
{
// 2400种
var sut = new LoanRepaymentCalculator();
var monthlyPayment = sut.CalculatorMonthlyRepayment(
new LoanAmount("USD", principal), interestRate, new LoanTerm(termYears));
}
public void CalculateCorrectMontlyRepayment_Sequential(
[Values(200000, 200000, 500000)] decimal principal,
[Values(6.5, 10, 10)] decimal interestRate,
[Values(30, 30, 30)] int periodYear,
[Values(1264.14, 1755.14, 4387.86)] decimal expectedRes)
{
var sut = new LoanRepaymentCalculator();
var monthlyPayment = sut.CalculateMonthlyRepayment(new LoanAmount("RSD", principal), interestRate, new LoanTerm(periodYear));
Assert.That(monthlyPayment, Is.EqualTo(expectedRes));
}
public decimal CalculateCorrectMonthlyRepayment_CentralizeWithReturn(decimal principal,
decimal interestRate,
int termInYears)
{
var sut = new LoanRepaymentCalculator();
return(sut.CalculateMonthlyRepayment(
new LoanAmount("USD", principal),
interestRate,
new LoanTerm(termInYears)));
//Assert.That(monthlyPayment, Is.EqualTo(expectedMonthlyPayment));
}
public void CalculateCorrectMonthlyRepayment_Sequential(
[Values(10000, 20000, 30000)] decimal principal,
[Values(6.5, 10, 20)] decimal interestRate,
[Values(10, 20, 30)] int termYears,
[Values(390000, 390000, 390000)] decimal expectedMontlyPayment)
{
// 3中结果
var sut = new LoanRepaymentCalculator();
var monthlyPayment = sut.CalculatorMonthlyRepayment(
new LoanAmount("USD", principal), interestRate, new LoanTerm(termYears));
Assert.That(monthlyPayment, Is.EqualTo(expectedMontlyPayment));
}
public decimal CalculateCorrectMontlyRepayment(decimal principal, decimal interestRate, int periodYear)
{
var sut = new LoanRepaymentCalculator();
return(sut.CalculateMonthlyRepayment(new LoanAmount("RSD", principal), interestRate, new LoanTerm(periodYear)));
}
public void OneTimeSetup()
{
sut = new LoanRepaymentCalculator();
}
public void OneTimeTearDown()
{
sut = null;
}
public decimal CalculateCorrectMonthlyRepayment_simplifiedTestCase(decimal principal, decimal interestrate, int termYears)
{
var sut = new LoanRepaymentCalculator();
return(sut.CalculateMonthlyRepayment(new LoanAmount("USD", principal), interestrate, new LoanTerm(termYears)));
}
