public void Should_Return_FizzBuzzLooper_After_Adding_Filter()
{
var classUnderTest = new FizzBuzzLooper(5);
var looper = classUnderTest.AddFilter(new TestNumberFilter());
Assert.That(looper, Is.SameAs(classUnderTest));
}
public void Should_Call_Passed_Delegate_With_Result_On_Output()
{
var assertionList = new List <string>();
var classUnderTest = new FizzBuzzLooper(5);
classUnderTest.Output(result => assertionList.Add(result));
Assert.That(assertionList.Count, Is.EqualTo(5));
}
public void Should_Call_Filter_On_Match_When_Outputting_Results()
{
var assertionList = new List <string>();
var classUnderTest = new FizzBuzzLooper(5);
classUnderTest.AddFilter(new TestNumberFilter());
classUnderTest.Output(result => assertionList.Add(result));
Assert.That(assertionList[4], Is.EqualTo("TestFilter"));
}
static void WithInjectedRule()
{
//I'd usually let an IOC container do this.
var rules = new IRule[]
{
new FizzRule(),
new BuzzRule(),
new ZoomRule()
};
var looper = new FizzBuzzLooper(new FizzBuzzRenderer(rules));
looper.Loop(100, 200);
}
public void Should_Return_Current_Number_When_No_Filter_Is_Matched()
{
var assertionList = new List <string>();
var classUnderTest = new FizzBuzzLooper(5);
classUnderTest.AddFilter(new TestNumberFilter());
classUnderTest.Output(result => assertionList.Add(result));
Assert.That(assertionList[0], Is.EqualTo("1"));
Assert.That(assertionList[1], Is.EqualTo("2"));
Assert.That(assertionList[2], Is.EqualTo("3"));
Assert.That(assertionList[3], Is.EqualTo("4"));
}