FizzBuzz

fizzBuzz.js

KT.namespace("algo");

KT.algo.fizzBuzz = {
	getValue: function (input) {
		return ((input % 3 && !(input + '').match(/3/i)) ? (input % 5 && !(input + '').match(/5/i)) ? input : "" : "fizz") + 
			((input % 5 && !(input + '').match(/5/i)) ? "" : "Buzz");
	}
};

fizzBuzz.test.js

(function () {
	
	var fbUnderTest;
	
	TestCase("fizzBuzz", sinon.testCase({
		setUp: function () {
			fbUnderTest = KT.algo.fizzBuzz;
		},
		
		"test fbUnderTest is an object":
		function () {
			assertObject(fbUnderTest);
		},
		
		"test get number of input":
		function () {
			assertEquals(1, fbUnderTest.getValue(1));
			assertEquals(2, fbUnderTest.getValue(2));
		},
		
		"test get fizz if input a multiple of 3":
		function () {
			assertEquals("fizz", fbUnderTest.getValue(3));
			assertEquals("fizz", fbUnderTest.getValue(6));
		},
		
		"test get fizz if input a multiple of 5":
		function () {
			assertEquals("Buzz", fbUnderTest.getValue(5));
			assertEquals("Buzz", fbUnderTest.getValue(10));
		},
		
		"test get fizzBuzz if input is a multiple of 5 and 3":
		function () {
			assertEquals("fizzBuzz", fbUnderTest.getValue(15));
			assertEquals("fizzBuzz", fbUnderTest.getValue(30));
		},
		
		"test if the number has a 3 in it":
		function () {
			assertEquals("fizz", fbUnderTest.getValue(13));
		},
		
		"test if the number has a 5 in it":
		function () {
			assertEquals("Buzz", fbUnderTest.getValue(59));
		}
		
		
	}));
})();