public FizzBuzzMediator(IFizzBuzzSequenceGenerator sequenceGenerator, IFizzBuzzFormatter formatter, TextWriter textWriter)
{
if (sequenceGenerator == null) throw new ArgumentNullException("sequenceGenerator");
if (formatter == null) throw new ArgumentNullException("formatter");
if (textWriter == null) throw new ArgumentNullException("textWriter");
_sequenceGenerator = sequenceGenerator;
_formatter = formatter;
_textWriter = textWriter;
}
public void CallFormatterForEachNumberUntillTheOneGiven()
{
IFizzBuzzFormatter fizzBuzzFormatter = Substitute.For <FizzBuzzFormatter>();
FizzBuzz fizzBuzz = new FizzBuzz();
fizzBuzz.Run(5);
fizzBuzzFormatter.Received(5).Format(Arg.Any <int>());
fizzBuzzFormatter.Received(1).Format(1);
fizzBuzzFormatter.Received(1).Format(2);
fizzBuzzFormatter.Received(1).Format(3);
fizzBuzzFormatter.Received(1).Format(4);
fizzBuzzFormatter.Received(1).Format(5);
}
