public void TestDifferentValues()
{
ITaxSettings settings =
new DictionaryTaxSettings("{\"10000\":\"0.1\",\"20000\":\"0.2\",\"1000000\":\"0.3\"}");
ITaxCalculation calc = new ProgressiveTaxCalculation();
var value1 = calc.Calculate(20000, settings);
var value2 = calc.Calculate(25000, settings);
Assert.AreEqual(value1, 3000, "Calculation error");
Assert.AreEqual(value2, 4500, "Calculation error");
}
public (ITaxCalculation calculator, ITaxSettings settings) GetCalculator(string postalCode)
{
var map = _context.CalculatorMappings.FirstOrDefault(m => m.PostalCode == postalCode);
if (map == null)
{
throw new CalculationException("Unknown postal code, please first add that postal code");
}
var objectType = Type.GetType(map.ClassName);
ITaxCalculation obj = (ITaxCalculation)Activator.CreateInstance(objectType);
var settings = new DictionaryTaxSettings(map.Settings);
return(calculator : obj, settings : settings);
}