public PayslipInfo CalculateUsing(PayslipInputInfo payslipInputInfo)
{
var yearlyTaxableIncome = payslipInputInfo.Salary;
var monthlyTaxableIncome = CalculateMonthlyTaxableIncomeFrom(yearlyTaxableIncome).WithRounding();
var monthlyPayableIncomeTax = _incomeTaxCalculator.CalculateMonthlyPayableIncomeTaxFrom(yearlyTaxableIncome);
return(new PayslipInfo(payslipInputInfo.EmployeeDetails,
payslipInputInfo.PayPeriod,
payslipInputInfo.SuperRate,
monthlyTaxableIncome,
monthlyPayableIncomeTax));
}
public void GivenAnnualSalary_CalculateCorrectTax(int annualSalary, int expectedIncomeTax)
{
Assert.That(_incomeTaxCalculator.CalculateMonthlyPayableIncomeTaxFrom(annualSalary), Is.EqualTo(expectedIncomeTax));
}