Adds jQuery collection to objects that will be used as global events context if provi...

[jquery.git] / test / data / testinit.js

diff --git a/test/data/testinit.js b/test/data/testinit.js
index 41aa396..c478390 100644 (file)
--- a/test/data/testinit.js
+++ b/test/data/testinit.js
@@ -2,3 +2,95 @@ 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;
+               }
+       }
+}());
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