etherpad-lite/tests/frontend/helper.js

137 lines
3.8 KiB
JavaScript

var helper = {};
(function(){
var $iframeContainer, $iframe, jsLibraries = {};
helper.init = function(cb){
$iframeContainer = $("#iframe-container");
$.get('/static/js/jquery.js').done(function(code){
// make sure we don't override existing jquery
jsLibraries["jquery"] = "if(typeof $ === 'undefined') {\n" + code + "\n}";
$.get('/tests/frontend/lib/sendkeys.js').done(function(code){
jsLibraries["sendkeys"] = code;
cb();
});
});
}
helper.randomString = function randomString(len)
{
var chars = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
var randomstring = '';
for (var i = 0; i < len; i++)
{
var rnum = Math.floor(Math.random() * chars.length);
randomstring += chars.substring(rnum, rnum + 1);
}
return randomstring;
}
var getFrameJQuery = function($iframe){
/*
I tried over 9000 ways to inject javascript into iframes.
This is the only way I found that worked in IE 7+8+9, FF and Chrome
*/
var win = $iframe[0].contentWindow;
var doc = win.document;
//IE 8+9 Hack to make eval appear
//http://stackoverflow.com/questions/2720444/why-does-this-window-object-not-have-the-eval-function
win.execScript && win.execScript("null");
win.eval(jsLibraries["jquery"]);
win.eval(jsLibraries["sendkeys"]);
win.$.window = win;
win.$.document = doc;
return win.$;
}
helper.newPad = function(cb){
var padName = "FRONTEND_TEST_" + helper.randomString(20);
$iframe = $("<iframe src='/p/" + padName + "'></iframe>");
//clean up inner iframe references
helper.padChrome$ = helper.padOuter$ = helper.padInner$ = null;
//clean up iframes properly to prevent IE from memoryleaking
$iframeContainer.find("iframe").purgeFrame().done(function(){
$iframeContainer.append($iframe);
$iframe.one('load', function(){
helper.waitFor(function(){
return !$iframe.contents().find("#editorloadingbox").is(":visible");
}, 4000).done(function(){
helper.padChrome$ = getFrameJQuery( $('#iframe-container iframe'));
helper.padOuter$ = getFrameJQuery(helper.padChrome$('iframe.[name="ace_outer"]'));
helper.padInner$ = getFrameJQuery( helper.padOuter$('iframe.[name="ace_inner"]'));
cb();
}).fail(function(){
throw new Error("Pad never loaded");
});
});
});
return padName;
}
helper.waitFor = function(conditionFunc, _timeoutTime, _intervalTime){
var timeoutTime = _timeoutTime || 1000;
var intervalTime = _intervalTime || 10;
var deferred = $.Deferred();
var _fail = deferred.fail;
var listenForFail = false;
deferred.fail = function(){
listenForFail = true;
_fail.apply(this, arguments);
}
var intervalCheck = setInterval(function(){
var passed = false;
passed = conditionFunc();
if(passed){
clearInterval(intervalCheck);
clearTimeout(timeout);
deferred.resolve();
}
}, intervalTime);
var timeout = setTimeout(function(){
clearInterval(intervalCheck);
var error = new Error("wait for condition never became true " + conditionFunc.toString());
deferred.reject(error);
if(!listenForFail){
throw error;
}
}, timeoutTime);
return deferred;
}
/* Ensure console.log doesn't blow up in IE, ugly but ok for a test framework imho*/
window.console = window.console || {};
window.console.log = window.console.log || function(){}
//force usage of callbacks in it
var _it = it;
it = function(name, func){
if(func && func.length !== 1){
func = function(){
throw new Error("Please use always a callback with it() - " + func.toString());
}
}
_it(name, func);
}
})()