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#Automated Unit testing with YUI3

• YUI Test Library, plays good with all YUI infostructure.
• Yeti, tool for automation cross browser tests.
• Full automation build process support, tools like PhantomJS

##Terminology

TDD - Test Driven Development
BDD - Behaivior Driven Development

dmi3y

function make_promise() {
  var status = 'unresolved',
      outcome,
      waiting = [],
      dreading = [];
  
  function vouch (deed, func) {
    switch (status) {
      case 'unresolved':
        (deed === 'fulfilled' ? waiting: dreading).push(func);

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YUI.add('async-pubsub', function(Y) {
    'use strict';

    if (!YUI.asyncPubSub) {
        YUI.namespace('asyncPubSub');
        YUI.asyncPubSub = (function() {
            var eventsFired = {}, eventsSubscribed = {};

            function doPublishFor(eventName) {
                var subscribers = eventsSubscribed[eventName],

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function findNthPrime(n) {
	'use strict';
	var
		range = primeRange(n),
		min = range.min,
		max = range.max,
		median,
		primes = [2,3,5,7,11];

    while ( primes.length < n ) {

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function once (func) {
 return function () {
   func.apply(this, arguments);
   func = null;
 };

}

function hi(name) {
  console.log("Hi %s", name);

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(function(){
var i = 0, n = 5, f;
(function f() {
 setTimeout (  
  function() { 
    console.log(i++); 
    i <= n? f(): '';
  }, 
  1000
 );

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// http://jsbin.com/ubugag/2/edit

var allDivs = document.getElementsByTagName("div"),
length = allDivs.length, divDomID,
    showCarHandler = function(){
      var divDomINT = parseInt(this.id.replace("car_", 0), 10); 
      console.log(divDomINT);
    };

for(;length--;){

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function addClass(myElement, classToAdd) {
    if (!myElement && !classToAdd) return;
    
    var 
    myElementIsSting = typeof myElement == 'string',
    myElementNode = myElementIsSting? document.getElementById(myElement): myElement,
    classes = ' ' + (myElementNode.className || '') + ' ',
    classToAdd = ' ' + classToAdd + ' ';
    
    if (!~classes.indexOf(classToAdd)) { // http://stackoverflow.com/questions/12299665/what-does-a-tilde-do-when-it-precedes-an-expression

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    function calcFromStr(str) {
        var ops = ['*','/','+','-'];
        var reg = /(\b\D)/;
        var calc = str.split(reg);
      
        function calculator(l, op, r) {
          
          switch( op ) {
            case '*':
              return l*r;

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// http://jsbin.com/mapena/edit?js,console
// http://stackoverflow.com/questions/1885557/simplest-code-for-array-intersection-in-javascript
function findIntersctions(a, b) {
    var ai = 0;
    var bi = 0;
    var out = [];
  
    while( ai < a.length && bi < b.length ) {
      
        if( a[ai] > b[bi] ) {