Refactored test suite once more, as proposed by John

[jquery.git] / build / test / testrunner.js

diff --git a/build/test/testrunner.js b/build/test/testrunner.js
new file mode 100644 (file)
index 0000000..b315226
--- /dev/null
+++ b/build/test/testrunner.js
@@ -0,0 +1,124 @@
+var fixture;
+var Test;
+var stats = {
+       all: 0,
+       bad: 0
+};
+
+function runTest(tests) {
+       var startTime = new Date();
+       
+       fixture = document.getElementById('main').innerHTML;
+       tests();
+       var runTime = new Date() - startTime;
+       var result = document.createElement("div");
+       result.innerHTML = 'Tests completed in ' + runTime + ' milliseconds.<br/>' +
+               stats.bad + ' tests of ' + stats.all + ' failed.';
+       document.getElementsByTagName("body")[0].appendChild(result);
+}
+
+function test(name, callback) {
+       Test = [];
+       try {
+               callback();
+       } catch(e) {
+               if(typeof console != "undefined") {
+                       console.error("Test " + name + " died, exception and test follows");
+                       console.error(e);
+                       console.warn(callback.toString());
+               }
+               Test.push( [ false, "Died on test #" + (Test.length+1) + ": " + e ] );
+       }
+       reset();
+       
+       var good = 0, bad = 0;
+       var ol = document.createElement("ol");
+
+       var li = "", state = "pass";
+       for ( var i = 0; i < Test.length; i++ ) {
+               var li = document.createElement("li");
+               li.className = Test[i][0] ? "pass" : "fail";
+               li.innerHTML = Test[i][1];
+               ol.appendChild( li );
+               
+               stats.all++;
+               if ( !Test[i][0] ) {
+                       state = "fail";
+                       bad++;
+                       stats.bad++;
+               } else good++;
+       }
+
+       var li = document.createElement("li");
+       li.className = state;
+
+       var b = document.createElement("b");
+       b.innerHTML = name + " <b style='color:black;'>(<b class='fail'>" + bad + "</b>, <b class='pass'>" + good + "</b>, " + Test.length + ")</b>";
+       b.onclick = function(){
+               var n = this.nextSibling;
+               if ( jQuery.css( n, "display" ) == "none" )
+                       n.style.display = "block";
+               else
+                       n.style.display = "none";
+       };
+       li.appendChild( b );
+       li.appendChild( ol );
+
+       document.getElementById("tests").appendChild( li );
+}
+
+/**
+ * Resets the test setup. Useful for tests that modify the DOM.
+ */
+function reset() {
+       document.getElementById('main').innerHTML = fixture;
+}
+
+/**
+ * Asserts true.
+ * @example ok( $("a").size() > 5, "There must be at least 5 anchors" );
+ */
+function ok(a, msg) {
+       Test.push( [ !!a, msg ] );
+}
+
+/**
+ * Asserts that two arrays are the same
+ */
+function isSet(a, b, msg) {
+       var ret = true;
+       if ( a && b && a.length == b.length ) {
+               for ( var i in a )
+                       if ( a[i] != b[i] )
+                               ret = false;
+       } else
+               ret = false;
+       if ( !ret && console )
+               console.log( msg, a, b );
+       Test.push( [ ret, msg ] );
+}
+
+/**
+ * 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 'baar'
+ */
+function t(a,b,c) {
+       var f = jQuery.find(b);
+       var s = "";
+       for ( var i = 0; i < f.length; i++ )
+               s += (s && ",") + '"' + f[i].id + '"';
+       isSet(f, q.apply(q,c), a + " (" + b + ")");
+}
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