public void ShouldProduceNothingOnOutputWhenApplyForIntegerNotDivisibleBy3()
{
var input = Any.IntegerNotDivisibleBy(3);
var outputBuilder = Substitute.For <IOutputBuilder>();
var rule = new DivisibleBy3Rule(false, Any.InstanceOf <IRule>(), outputBuilder);
rule.Apply(input);
outputBuilder.DidNotReceive().Append(Arg.Any <string>());
}
public void ShouldProduceFizzOnOutputWhenApplyForIntegerDivisibleBy3()
{
var input = Any.IntegerDivisibleBy(3);
var outputBuilder = Substitute.For <IOutputBuilder>();
var rule = new DivisibleBy3Rule(false, Any.InstanceOf <IRule>(), outputBuilder);
rule.Apply(input);
outputBuilder.Received().Append("Fizz");
}
public void ShouldNotCallSuccessorWhenApplyIsCalledAndIsBreakable()
{
var input = Any.IntegerDivisibleBy(3);
var outputBuilder = Substitute.For <IOutputBuilder>();
var successor = Substitute.For <IRule>();
var rule = new DivisibleBy3Rule(true, successor, outputBuilder);
rule.Apply(input);
outputBuilder.Received().Append("Fizz");
successor.DidNotReceive().Apply(input);
}
public void ShouldCallSuccessorWhenApplyIsCalledAndRuleDoesNotMatches()
{
var input = Any.IntegerNotDivisibleBy(3);
var successor = Substitute.For <IRule>();
var outputBuilder = Substitute.For <IOutputBuilder>();
var rule = new DivisibleBy3Rule(false, successor, outputBuilder);
rule.Apply(input);
outputBuilder.DidNotReceive().Append(Arg.Any <string>());
successor.Received().Apply(input);
}