public void ShouldProduceNothingOnOutputWhenApplyForIntegerNotDivisibleBy15()
{
var input = Any.IntegerNotDivisibleBy(15);
var outputBuilder = Substitute.For <IOutputBuilder>();
var rule = new DivisibleBy15Rule(false, Any.InstanceOf <IRule>(), outputBuilder);
rule.Apply(input);
outputBuilder.DidNotReceive().Append(Arg.Any <string>());
}
public void ShouldProduceFizzBuzzOnOutputWhenApplyForIntegerDivisibleBy15()
{
var input = Any.IntegerDivisibleBy(15);
var outputBuilder = Substitute.For <IOutputBuilder>();
var rule = new DivisibleBy15Rule(false, Any.InstanceOf <IRule>(), outputBuilder);
rule.Apply(input);
outputBuilder.Received().Append("FizzBuzz");
}
public void ShouldNotCallSuccessorWhenApplyIsCalledAndIsBreakable()
{
var input = Any.IntegerDivisibleBy(15);
var outputBuilder = Substitute.For <IOutputBuilder>();
var successor = Substitute.For <IRule>();
var rule = new DivisibleBy15Rule(true, successor, outputBuilder);
rule.Apply(input);
outputBuilder.Received().Append("FizzBuzz");
successor.DidNotReceive().Apply(input);
}
public void ShouldCallSuccessorWhenApplyIsCalledAndRuleDoesNotMatches()
{
var input = Any.IntegerNotDivisibleBy(15);
var successor = Substitute.For <IRule>();
var outputBuilder = Substitute.For <IOutputBuilder>();
var rule = new DivisibleBy15Rule(false, successor, outputBuilder);
rule.Apply(input);
outputBuilder.DidNotReceive().Append(Arg.Any <string>());
successor.Received().Apply(input);
}
