public void Calculate()
{
var taxReliefCalculator = new TaxReliefCalculator(_person.Age);
var ageBasedRelief = taxReliefCalculator.Calculate();
var annualTaxCalculator = new BLL.AnnualTaxCalculator(ageBasedRelief, _person.MonthlySalary);
AnnualTax = annualTaxCalculator.Calculate();
}
public void Construct_GivenInvalidAge_LessThan_ShouldThrowException()
{
//---Setup----------------------------------------------
int invalidAge = 17;
//---Execute--------------------------------------------
var calculator = new TaxReliefCalculator(invalidAge);
//---Assert---------------------------------------------
Assert.Fail("Expected exception not thrown!");
}
public void Calculate_GivenAge_30_ShouldReturnPercentageOfRelief_0_85()
{
//---Setup----------------------------------------------
int age = 55;
var calculator = new TaxReliefCalculator(age);
//---Execute--------------------------------------------
var relief = calculator.Calculate();
//---Assert---------------------------------------------
Assert.AreEqual(0.85m, relief.PercentageOfDeduction);
}
public void Calculate_GivenAge_55_ShouldReturnMonthlySalaryRelief_5000()
{
//---Setup----------------------------------------------
int age = 55;
var calculator = new TaxReliefCalculator(age);
//---Execute--------------------------------------------
var relief = calculator.Calculate();
//---Assert---------------------------------------------
Assert.AreEqual(5000, relief.MonthlySalaryRelief);
}
public void Calculate_GivenAge55AndAnnualSalary48000_ShouldReturnAnnualTax()
{
//---Setup----------------------------------------------
decimal annualSalary = 48000m;
decimal monthlySalary = annualSalary / 12;
int age = 55;
var taxReliefCalculator = new TaxReliefCalculator(age);
var ageBasedRelief = taxReliefCalculator.Calculate();
var annualTaxCalculator = new BLL.AnnualTaxCalculator(ageBasedRelief, monthlySalary);
//---Execute--------------------------------------------
decimal annualTax = annualTaxCalculator.Calculate();
//---Assert---------------------------------------------
Assert.AreEqual(0, annualTax);
}
