jquery/test/data/testinit.js

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var jQuery = this.jQuery || "jQuery", // For testing .noConflict()
$ = this.$ || "$",
originaljQuery = jQuery,
original$ = $;
/**
* Returns an array of elements with the given IDs, eg.
* @example q("main", "foo", "bar")
* @result [<div id="main">, <span id="foo">, <input id="bar">]
*/
function q() {
var r = [];
for ( var i = 0; i < arguments.length; i++ ) {
r.push( document.getElementById( arguments[i] ) );
}
return r;
}
/**
* Asserts that a select matches the given IDs * @example t("Check for something", "//[a]", ["foo", "baar"]);
* @result returns true if "//[a]" return two elements with the IDs 'foo' and 'baa
r'
*/
function t(a,b,c) {
var f = jQuery(b).get(), s = "";
for ( var i = 0; i < f.length; i++ ) {
s += (s && ",") + '"' + f[i].id + '"';
}
same(f, q.apply(q,c), a + " (" + b + ")");
}
/**
* Add random number to url to stop IE from caching
*
* @example url("data/test.html")
* @result "data/test.html?10538358428943"
*
* @example url("data/test.php?foo=bar")
* @result "data/test.php?foo=bar&10538358345554"
*/
function url(value) {
return value + (/\?/.test(value) ? "&" : "?") + new Date().getTime() + "" + parseInt(Math.random()*100000);
}
(function () {
// Store the old counts so that we only assert on tests that have actually leaked,
// instead of asserting every time a test has leaked sometime in the past
var oldCacheLength = 0,
oldFragmentsLength = 0,
oldTimersLength = 0,
oldActive = 0;
/**
* Ensures that tests have cleaned up properly after themselves. Should be passed as the
* teardown function on all modules' lifecycle object.
*/
this.moduleTeardown = function () {
var i, fragmentsLength = 0, cacheLength = 0;
// Allow QUnit.reset to clean up any attached elements before checking for leaks
QUnit.reset();
for ( i in jQuery.cache ) {
++cacheLength;
}
jQuery.fragments = {};
for ( i in jQuery.fragments ) {
++fragmentsLength;
}
// Because QUnit doesn't have a mechanism for retrieving the number of expected assertions for a test,
// if we unconditionally assert any of these, the test will fail with too many assertions :|
if ( cacheLength !== oldCacheLength ) {
equals( cacheLength, oldCacheLength, "No unit tests leak memory in jQuery.cache" );
oldCacheLength = cacheLength;
}
if ( fragmentsLength !== oldFragmentsLength ) {
equals( fragmentsLength, oldFragmentsLength, "No unit tests leak memory in jQuery.fragments" );
oldFragmentsLength = fragmentsLength;
}
if ( jQuery.timers.length !== oldTimersLength ) {
equals( jQuery.timers.length, oldTimersLength, "No timers are still running" );
oldTimersLength = jQuery.timers.length;
}
if ( jQuery.active !== oldActive ) {
equals( jQuery.active, 0, "No AJAX requests are still active" );
oldActive = jQuery.active;
}
}
}());