public void Execute()
{
var orderAmount = Input.DecimalParse(message: "What is the order amount? ");
var state = Input.ParseString(message: "What is the state? ");
var taxCalculator = new TaxCalculator();
ITaxResult taxResult = taxCalculator.Calculate(orderAmount, state);
taxResult.FormatTo(Console.Out);
}
public void Formatting()
{
var subject = new TaxCalculator();
var result = subject.Calculate(orderAmount: 10m, state: "WI");
var output = new StringWriter();
result.FormatTo(output);
Assert.That(output.ToString(), Is.StringContaining("The subtotal is £10.00"));
Assert.That(output.ToString(), Is.StringContaining("The tax is £0.55"));
Assert.That(output.ToString(), Is.StringContaining("The total is £10.55"));
}
public void Taxable_State()
{
var subject = new TaxCalculator();
var result = subject.Calculate(orderAmount: 10m, state: "WI");
Assert.That(result.Tax(), Is.EqualTo(0.55m));
Assert.That(result.Total(), Is.EqualTo(10.55m));
}