public async Task<IHttpActionResult> Calculate(Employee empl)
{
if (empl == null)
{
return BadRequest("Invalid data");
}
return Ok(calculator.CalculatePaycheckDeduction(empl));
}
public void EmployeeCalculator_Employee_With_1_Dependents_Has_1500_Taken_In_Deductions()
{
var employee = new Employee();
employee.Dependents.Add(new Dependent());
var deduction = _deductionCalculator.CalculatePaycheckDeduction(employee);
//logic = (AnnualSalary - deduction) / 26
//(($2000 * 26) - 1500) / 26 == 1942.31
Assert.That(deduction, Is.EqualTo(1942.31));
}
public decimal CalculatePaycheckDeduction(Employee employee, params IDiscount<Person>[] discounts)
{
var allDiscounts = discounts.Any() ? discounts : _calculatorSettings.DefaultDiscounts;
var salary = employee.AnnualSalary;
var salaryMinusDeductions = salary - CalculateDiscounts(_calculatorSettings.EmployeeYearlyDeduction, employee, allDiscounts);
if (employee.Dependents.Any())
{
foreach (var dependent in employee.Dependents)
{
salaryMinusDeductions -= CalculateDiscounts(_calculatorSettings.DependentYearlyDeduction, dependent, allDiscounts);
}
}
return Math.Round(salaryMinusDeductions / _calculatorSettings.PayCycles, 2);
}
public void EmployeeCalculator_Employee_With_3_Dependents_1_With_Name_Aaron_Has_2450_Taken_In_Deductions()
{
var employee = new Employee();
employee.Dependents.AddRange(new[]
{
new Dependent() { FirstName = "Tommy", LastName = "Cole"},
new Dependent() { FirstName = "Aaron", LastName = "Cole"},
new Dependent() { FirstName = "Joey", LastName = "Cole"},
});
var deduction = _deductionCalculator.CalculatePaycheckDeduction(employee, new NameStartsWithLetterADiscount());
//1000 - Employee
//1000 - 500 x 2 Dependents
//450 - Aaron ~ 500 * 0.9 = 450
//2450 deduction total
//(52000 - 2450) / 26 = 1905.77
Assert.That(deduction, Is.EqualTo(1905.77));
}
public void EmployeeCalculator_Employee_With_3_Dependents_2_With_Name_Aaron_And_Arthur_Has_2200_Taken_In_Deductions()
{
var employee = new Employee() { FirstName = "Arthur", LastName = "Cole" };
employee.Dependents.AddRange(new[]
{
new Dependent() { FirstName = "Tommy", LastName = "Cole"},
new Dependent() { FirstName = "Aaron", LastName = "Cole"},
new Dependent() { FirstName = "Joey", LastName = "Cole"},
});
var deduction = _deductionCalculator.CalculatePaycheckDeduction(employee, new NameStartsWithLetterADiscount(0.2m));
//use 20% instead of 10%
//800 - Employee (1000 - 100) == 900
//1000 - 500 x 2 Dependents
//400 - Aaron ~ 500 * 0.9 = 450
//2350 deduction total
//(52000 - 2200) / 26 = 1909.62
Assert.That(deduction, Is.EqualTo(1915.38));
}
public void EmployeeCalculator_Employee_With_No_Dependents_Has_1000_Taken_In_Deductions()
{
var employee = new Employee();
var deduction = _deductionCalculator.CalculatePaycheckDeduction(employee);
//logic = (AnnualSalary - deduction) / 26
//(($2000 * 26) - 1000) / 26 == 1961.54
Assert.That(deduction, Is.EqualTo(1961.54));
}
