public void Handle_NullTransaction_ThrowsException()
{
//arrange
var handler = new CalculateFeeHandler(new Percentage(10));
//act & assert
Assert.Throws <DomainException>(() => handler.Handle(null));
}
public void Handle_CalculatesFeeCorrectly(double amount, double percentage, double expectedFee)
{
//arrange
var handler = new CalculateFeeHandler(new Percentage(percentage));
var transaction = new Transaction(new Date(DateTime.Now), new Name("STEAM"), new Amount(amount));
//act
var fee = handler.Handle(new CalculateFee(Guid.NewGuid(), transaction));
//assert
Assert.Equal(expectedFee, fee.Value);
}
