public void Given_AnnumIncome_100000_ShouldReturn_17500()
{
//----------Setup---------------------------
const double annualIncome = 100000d;
var flatRateTaxCalculator = new FlatRateTaxCalculator(new Mock <IIncomeValidator>().Object);
//--------Execute---------------------------
var tax = flatRateTaxCalculator.Calculate(annualIncome);
//--------Assert----------------------------
Assert.AreEqual(17500d, tax);
}
public void Given_AnnumIncome_63900_ShouldReturn_PercentageBasedValue()
{
//----------Setup---------------------------
const double annualIncome = 63900d;
var flatRateTaxCalculator = new FlatRateTaxCalculator(new Mock <IIncomeValidator>().Object);
//--------Execute---------------------------
var tax = flatRateTaxCalculator.Calculate(annualIncome);
//--------Assert----------------------------
Assert.AreEqual(11182.50d, tax);
}
public void Given_Calculate_Should_Call_IncomeValidator_Validate()
{
//----------Setup---------------------------
var mockValidator = new Mock <IIncomeValidator>();
mockValidator.Setup(m => m.Validate(It.IsAny <double>()));
var flatRateTaxCalculator = new FlatRateTaxCalculator(mockValidator.Object);
//--------Execute---------------------------
flatRateTaxCalculator.Calculate(-12547d);
//--------Assert----------------------------
mockValidator.Verify(m => m.Validate(-12547d), Times.Once);
}