public int ProcessCustomer(Customer customer)
{
if (customer.Type == CustomerType.Personal)
{
ITaxCalculator personalTaxCalculator = new PersonalTaxCalculator();
return(personalTaxCalculator.CalculateTax(customer.Money));
}
ITaxCalculator linearTaxCalculator = new LinearTaxCalculator();
return(linearTaxCalculator.CalculateTax(customer.Money));
}
public void T002_CalculatePersonalTax()
{
// Given
int receivedMoney = 20000;
int taxCredit = 8000;
// Expected
int expectedTax = (int)((receivedMoney - taxCredit) * 0.18);
// When
int actualTax = new PersonalTaxCalculator().CalculateTax(receivedMoney);
// Then
Assert.AreEqual(expectedTax, actualTax);
}
public int ProcessCustomers(List <Customer> customers)
{
ITaxCalculator personalTaxCalculator = new PersonalTaxCalculator();
ITaxCalculator linearTaxCalculator = new LinearTaxCalculator();
int linear = 0;
int personal = 0;
foreach (var customer in customers)
{
if (customer.Type == CustomerType.Personal)
{
personal += personalTaxCalculator.CalculateTax(customer.Money);
}
else
{
linear += linearTaxCalculator.CalculateTax(customer.Money);
}
}
return(linear + personal);
}
