2 * QUnit - A JavaScript Unit Testing Framework
4 * http://docs.jquery.com/QUnit
6 * Copyright (c) 2011 John Resig, Jörn Zaefferer
7 * Dual licensed under the MIT (MIT-LICENSE.txt)
8 * or GPL (GPL-LICENSE.txt) licenses.
14 setTimeout: typeof window.setTimeout !== "undefined",
15 sessionStorage: (function() {
17 return !!sessionStorage.getItem;
26 var Test = function(name, testName, expected, testEnvironmentArg, async, callback) {
28 this.testName = testName;
29 this.expected = expected;
30 this.testEnvironmentArg = testEnvironmentArg;
32 this.callback = callback;
37 var tests = id("qunit-tests");
39 var b = document.createElement("strong");
40 b.innerHTML = "Running " + this.name;
41 var li = document.createElement("li");
43 li.className = "running";
44 li.id = this.id = "test-output" + testId++;
45 tests.appendChild( li );
49 if (this.module != config.previousModule) {
50 if ( config.previousModule ) {
52 name: config.previousModule,
53 failed: config.moduleStats.bad,
54 passed: config.moduleStats.all - config.moduleStats.bad,
55 total: config.moduleStats.all
58 config.previousModule = this.module;
59 config.moduleStats = { all: 0, bad: 0 };
65 config.current = this;
66 this.testEnvironment = extend({
68 teardown: function() {}
69 }, this.moduleTestEnvironment);
70 if (this.testEnvironmentArg) {
71 extend(this.testEnvironment, this.testEnvironmentArg);
78 // allow utility functions to access the current test environment
80 QUnit.current_testEnvironment = this.testEnvironment;
83 if ( !config.pollution ) {
87 this.testEnvironment.setup.call(this.testEnvironment);
89 QUnit.ok( false, "Setup failed on " + this.testName + ": " + e.message );
97 if ( config.notrycatch ) {
98 this.callback.call(this.testEnvironment);
102 this.callback.call(this.testEnvironment);
104 fail("Test " + this.testName + " died, exception and test follows", e, this.callback);
105 QUnit.ok( false, "Died on test #" + (this.assertions.length + 1) + ": " + e.message + " - " + QUnit.jsDump.parse(e) );
106 // else next test will carry the responsibility
109 // Restart the tests if they're blocking
110 if ( config.blocking ) {
115 teardown: function() {
117 this.testEnvironment.teardown.call(this.testEnvironment);
120 QUnit.ok( false, "Teardown failed on " + this.testName + ": " + e.message );
124 if ( this.expected && this.expected != this.assertions.length ) {
125 QUnit.ok( false, "Expected " + this.expected + " assertions, but " + this.assertions.length + " were run" );
128 var good = 0, bad = 0,
129 tests = id("qunit-tests");
131 config.stats.all += this.assertions.length;
132 config.moduleStats.all += this.assertions.length;
135 var ol = document.createElement("ol");
137 for ( var i = 0; i < this.assertions.length; i++ ) {
138 var assertion = this.assertions[i];
140 var li = document.createElement("li");
141 li.className = assertion.result ? "pass" : "fail";
142 li.innerHTML = assertion.message || (assertion.result ? "okay" : "failed");
143 ol.appendChild( li );
145 if ( assertion.result ) {
150 config.moduleStats.bad++;
154 // store result when possible
155 if ( QUnit.config.reorder && defined.sessionStorage ) {
157 sessionStorage.setItem("qunit-" + this.module + "-" + this.testName, bad);
159 sessionStorage.removeItem("qunit-" + this.module + "-" + this.testName);
164 ol.style.display = "none";
167 var b = document.createElement("strong");
168 b.innerHTML = this.name + " <b class='counts'>(<b class='failed'>" + bad + "</b>, <b class='passed'>" + good + "</b>, " + this.assertions.length + ")</b>";
170 var a = document.createElement("a");
171 a.innerHTML = "Rerun";
172 a.href = QUnit.url({ filter: getText([b]).replace(/\([^)]+\)$/, "").replace(/(^\s*|\s*$)/g, "") });
174 addEvent(b, "click", function() {
175 var next = b.nextSibling.nextSibling,
176 display = next.style.display;
177 next.style.display = display === "none" ? "block" : "none";
180 addEvent(b, "dblclick", function(e) {
181 var target = e && e.target ? e.target : window.event.srcElement;
182 if ( target.nodeName.toLowerCase() == "span" || target.nodeName.toLowerCase() == "b" ) {
183 target = target.parentNode;
185 if ( window.location && target.nodeName.toLowerCase() === "strong" ) {
186 window.location = QUnit.url({ filter: getText([target]).replace(/\([^)]+\)$/, "").replace(/(^\s*|\s*$)/g, "") });
190 var li = id(this.id);
191 li.className = bad ? "fail" : "pass";
192 li.removeChild( li.firstChild );
195 li.appendChild( ol );
198 for ( var i = 0; i < this.assertions.length; i++ ) {
199 if ( !this.assertions[i].result ) {
202 config.moduleStats.bad++;
210 fail("reset() failed, following Test " + this.testName + ", exception and reset fn follows", e, QUnit.reset);
216 passed: this.assertions.length - bad,
217 total: this.assertions.length
223 synchronize(function() {
227 // each of these can by async
228 synchronize(function() {
231 synchronize(function() {
234 synchronize(function() {
237 synchronize(function() {
241 // defer when previous test run passed, if storage is available
242 var bad = QUnit.config.reorder && defined.sessionStorage && +sessionStorage.getItem("qunit-" + this.module + "-" + this.testName);
254 // call on start of module test to prepend name to all tests
255 module: function(name, testEnvironment) {
256 config.currentModule = name;
257 config.currentModuleTestEnviroment = testEnvironment;
260 asyncTest: function(testName, expected, callback) {
261 if ( arguments.length === 2 ) {
266 QUnit.test(testName, expected, callback, true);
269 test: function(testName, expected, callback, async) {
270 var name = '<span class="test-name">' + testName + '</span>', testEnvironmentArg;
272 if ( arguments.length === 2 ) {
276 // is 2nd argument a testEnvironment?
277 if ( expected && typeof expected === 'object') {
278 testEnvironmentArg = expected;
282 if ( config.currentModule ) {
283 name = '<span class="module-name">' + config.currentModule + "</span>: " + name;
286 if ( !validTest(config.currentModule + ": " + testName) ) {
290 var test = new Test(name, testName, expected, testEnvironmentArg, async, callback);
291 test.module = config.currentModule;
292 test.moduleTestEnvironment = config.currentModuleTestEnviroment;
297 * Specify the number of expected assertions to gurantee that failed test (no assertions are run at all) don't slip through.
299 expect: function(asserts) {
300 config.current.expected = asserts;
305 * @example ok( "asdfasdf".length > 5, "There must be at least 5 chars" );
307 ok: function(a, msg) {
313 msg = escapeHtml(msg);
315 config.current.assertions.push({
322 * Checks that the first two arguments are equal, with an optional message.
323 * Prints out both actual and expected values.
325 * Prefered to ok( actual == expected, message )
327 * @example equal( format("Received {0} bytes.", 2), "Received 2 bytes." );
329 * @param Object actual
330 * @param Object expected
331 * @param String message (optional)
333 equal: function(actual, expected, message) {
334 QUnit.push(expected == actual, actual, expected, message);
337 notEqual: function(actual, expected, message) {
338 QUnit.push(expected != actual, actual, expected, message);
341 deepEqual: function(actual, expected, message) {
342 QUnit.push(QUnit.equiv(actual, expected), actual, expected, message);
345 notDeepEqual: function(actual, expected, message) {
346 QUnit.push(!QUnit.equiv(actual, expected), actual, expected, message);
349 strictEqual: function(actual, expected, message) {
350 QUnit.push(expected === actual, actual, expected, message);
353 notStrictEqual: function(actual, expected, message) {
354 QUnit.push(expected !== actual, actual, expected, message);
357 raises: function(block, expected, message) {
358 var actual, ok = false;
360 if (typeof expected === 'string') {
372 // we don't want to validate thrown error
375 // expected is a regexp
376 } else if (QUnit.objectType(expected) === "regexp") {
377 ok = expected.test(actual);
378 // expected is a constructor
379 } else if (actual instanceof expected) {
381 // expected is a validation function which returns true is validation passed
382 } else if (expected.call({}, actual) === true) {
387 QUnit.ok(ok, message);
392 if (config.semaphore > 0) {
393 // don't start until equal number of stop-calls
396 if (config.semaphore < 0) {
397 // ignore if start is called more often then stop
398 config.semaphore = 0;
400 // A slight delay, to avoid any current callbacks
401 if ( defined.setTimeout ) {
402 window.setTimeout(function() {
403 if (config.semaphore > 0) {
406 if ( config.timeout ) {
407 clearTimeout(config.timeout);
410 config.blocking = false;
414 config.blocking = false;
419 stop: function(timeout) {
421 config.blocking = true;
423 if ( timeout && defined.setTimeout ) {
424 clearTimeout(config.timeout);
425 config.timeout = window.setTimeout(function() {
426 QUnit.ok( false, "Test timed out" );
433 // Backwards compatibility, deprecated
434 QUnit.equals = QUnit.equal;
435 QUnit.same = QUnit.deepEqual;
437 // Maintain internal state
439 // The queue of tests to run
442 // block until document ready
445 // when enabled, show only failing tests
446 // gets persisted through sessionStorage and can be changed in UI via checkbox
449 // by default, run previously failed tests first
450 // very useful in combination with "Hide passed tests" checked
453 // by default, modify document.title when suite is done
456 urlConfig: ['noglobals', 'notrycatch']
461 var location = window.location || { search: "", protocol: "file:" },
462 params = location.search.slice( 1 ).split( "&" ),
463 length = params.length,
468 for ( var i = 0; i < length; i++ ) {
469 current = params[ i ].split( "=" );
470 current[ 0 ] = decodeURIComponent( current[ 0 ] );
471 // allow just a key to turn on a flag, e.g., test.html?noglobals
472 current[ 1 ] = current[ 1 ] ? decodeURIComponent( current[ 1 ] ) : true;
473 urlParams[ current[ 0 ] ] = current[ 1 ];
477 QUnit.urlParams = urlParams;
478 config.filter = urlParams.filter;
480 // Figure out if we're running the tests from a server or not
481 QUnit.isLocal = !!(location.protocol === 'file:');
484 // Expose the API as global variables, unless an 'exports'
485 // object exists, in that case we assume we're in CommonJS
486 if ( typeof exports === "undefined" || typeof require === "undefined" ) {
487 extend(window, QUnit);
488 window.QUnit = QUnit;
490 extend(exports, QUnit);
491 exports.QUnit = QUnit;
494 // define these after exposing globals to keep them in these QUnit namespace only
498 // Initialize the configuration options
501 stats: { all: 0, bad: 0 },
502 moduleStats: { all: 0, bad: 0 },
513 var tests = id( "qunit-tests" ),
514 banner = id( "qunit-banner" ),
515 result = id( "qunit-testresult" );
518 tests.innerHTML = "";
522 banner.className = "";
526 result.parentNode.removeChild( result );
530 result = document.createElement( "p" );
531 result.id = "qunit-testresult";
532 result.className = "result";
533 tests.parentNode.insertBefore( result, tests );
534 result.innerHTML = 'Running...<br/> ';
539 * Resets the test setup. Useful for tests that modify the DOM.
541 * If jQuery is available, uses jQuery's html(), otherwise just innerHTML.
544 if ( window.jQuery ) {
545 jQuery( "#qunit-fixture" ).html( config.fixture );
547 var main = id( 'qunit-fixture' );
549 main.innerHTML = config.fixture;
555 * Trigger an event on an element.
557 * @example triggerEvent( document.body, "click" );
559 * @param DOMElement elem
562 triggerEvent: function( elem, type, event ) {
563 if ( document.createEvent ) {
564 event = document.createEvent("MouseEvents");
565 event.initMouseEvent(type, true, true, elem.ownerDocument.defaultView,
566 0, 0, 0, 0, 0, false, false, false, false, 0, null);
567 elem.dispatchEvent( event );
569 } else if ( elem.fireEvent ) {
570 elem.fireEvent("on"+type);
574 // Safe object type checking
575 is: function( type, obj ) {
576 return QUnit.objectType( obj ) == type;
579 objectType: function( obj ) {
580 if (typeof obj === "undefined") {
583 // consider: typeof null === object
589 var type = Object.prototype.toString.call( obj )
590 .match(/^\[object\s(.*)\]$/)[1] || '';
605 return type.toLowerCase();
607 if (typeof obj === "object") {
613 push: function(result, actual, expected, message) {
621 message = escapeHtml(message) || (result ? "okay" : "failed");
622 message = '<span class="test-message">' + message + "</span>";
623 expected = escapeHtml(QUnit.jsDump.parse(expected));
624 actual = escapeHtml(QUnit.jsDump.parse(actual));
625 var output = message + '<table><tr class="test-expected"><th>Expected: </th><td><pre>' + expected + '</pre></td></tr>';
626 if (actual != expected) {
627 output += '<tr class="test-actual"><th>Result: </th><td><pre>' + actual + '</pre></td></tr>';
628 output += '<tr class="test-diff"><th>Diff: </th><td><pre>' + QUnit.diff(expected, actual) +'</pre></td></tr>';
631 var source = sourceFromStacktrace();
633 details.source = source;
634 output += '<tr class="test-source"><th>Source: </th><td><pre>' + escapeHtml(source) + '</pre></td></tr>';
637 output += "</table>";
641 config.current.assertions.push({
647 url: function( params ) {
648 params = extend( extend( {}, QUnit.urlParams ), params );
649 var querystring = "?",
651 for ( key in params ) {
652 querystring += encodeURIComponent( key ) + "=" +
653 encodeURIComponent( params[ key ] ) + "&";
655 return window.location.pathname + querystring.slice( 0, -1 );
662 // Logging callbacks; all receive a single argument with the listed properties
663 // run test/logs.html for any related changes
664 begin: function() {},
665 // done: { failed, passed, total, runtime }
667 // log: { result, actual, expected, message }
669 // testStart: { name }
670 testStart: function() {},
671 // testDone: { name, failed, passed, total }
672 testDone: function() {},
673 // moduleStart: { name }
674 moduleStart: function() {},
675 // moduleDone: { name, failed, passed, total }
676 moduleDone: function() {}
679 if ( typeof document === "undefined" || document.readyState === "complete" ) {
680 config.autorun = true;
683 QUnit.load = function() {
686 // Initialize the config, saving the execution queue
687 var oldconfig = extend({}, config);
689 extend(config, oldconfig);
691 config.blocking = false;
693 var urlConfigHtml = '', len = config.urlConfig.length;
694 for ( var i = 0, val; i < len, val = config.urlConfig[i]; i++ ) {
695 config[val] = QUnit.urlParams[val];
696 urlConfigHtml += '<label><input name="' + val + '" type="checkbox"' + ( config[val] ? ' checked="checked"' : '' ) + '>' + val + '</label>';
699 var userAgent = id("qunit-userAgent");
701 userAgent.innerHTML = navigator.userAgent;
703 var banner = id("qunit-header");
705 banner.innerHTML = '<a href="' + QUnit.url({ filter: undefined }) + '"> ' + banner.innerHTML + '</a> ' + urlConfigHtml;
706 addEvent( banner, "change", function( event ) {
708 params[ event.target.name ] = event.target.checked ? true : undefined;
709 window.location = QUnit.url( params );
713 var toolbar = id("qunit-testrunner-toolbar");
715 var filter = document.createElement("input");
716 filter.type = "checkbox";
717 filter.id = "qunit-filter-pass";
718 addEvent( filter, "click", function() {
719 var ol = document.getElementById("qunit-tests");
720 if ( filter.checked ) {
721 ol.className = ol.className + " hidepass";
723 var tmp = " " + ol.className.replace( /[\n\t\r]/g, " " ) + " ";
724 ol.className = tmp.replace(/ hidepass /, " ");
726 if ( defined.sessionStorage ) {
727 if (filter.checked) {
728 sessionStorage.setItem("qunit-filter-passed-tests", "true");
730 sessionStorage.removeItem("qunit-filter-passed-tests");
734 if ( config.hidepassed || defined.sessionStorage && sessionStorage.getItem("qunit-filter-passed-tests") ) {
735 filter.checked = true;
736 var ol = document.getElementById("qunit-tests");
737 ol.className = ol.className + " hidepass";
739 toolbar.appendChild( filter );
741 var label = document.createElement("label");
742 label.setAttribute("for", "qunit-filter-pass");
743 label.innerHTML = "Hide passed tests";
744 toolbar.appendChild( label );
747 var main = id('qunit-fixture');
749 config.fixture = main.innerHTML;
752 if (config.autostart) {
757 addEvent(window, "load", QUnit.load);
760 config.autorun = true;
762 // Log the last module results
763 if ( config.currentModule ) {
765 name: config.currentModule,
766 failed: config.moduleStats.bad,
767 passed: config.moduleStats.all - config.moduleStats.bad,
768 total: config.moduleStats.all
772 var banner = id("qunit-banner"),
773 tests = id("qunit-tests"),
774 runtime = +new Date - config.started,
775 passed = config.stats.all - config.stats.bad,
777 'Tests completed in ',
779 ' milliseconds.<br/>',
780 '<span class="passed">',
782 '</span> tests of <span class="total">',
784 '</span> passed, <span class="failed">',
790 banner.className = (config.stats.bad ? "qunit-fail" : "qunit-pass");
794 id( "qunit-testresult" ).innerHTML = html;
797 if ( config.altertitle && typeof document !== "undefined" && document.title ) {
798 // show ✖ for good, ✔ for bad suite result in title
799 // use escape sequences in case file gets loaded with non-utf-8-charset
801 (config.stats.bad ? "\u2716" : "\u2714"),
802 document.title.replace(/^[\u2714\u2716] /i, "")
807 failed: config.stats.bad,
809 total: config.stats.all,
814 function validTest( name ) {
815 var filter = config.filter,
822 var not = filter.charAt( 0 ) === "!";
824 filter = filter.slice( 1 );
827 if ( name.indexOf( filter ) !== -1 ) {
838 // so far supports only Firefox, Chrome and Opera (buggy)
839 // could be extended in the future to use something like https://github.com/csnover/TraceKit
840 function sourceFromStacktrace() {
846 return e.stacktrace.split("\n")[6];
847 } else if (e.stack) {
849 return e.stack.split("\n")[4];
854 function escapeHtml(s) {
859 return s.replace(/[\&"<>\\]/g, function(s) {
861 case "&": return "&";
862 case "\\": return "\\\\";
863 case '"': return '\"';
864 case "<": return "<";
865 case ">": return ">";
871 function synchronize( callback ) {
872 config.queue.push( callback );
874 if ( config.autorun && !config.blocking ) {
880 var start = (new Date()).getTime();
882 while ( config.queue.length && !config.blocking ) {
883 if ( config.updateRate <= 0 || (((new Date()).getTime() - start) < config.updateRate) ) {
884 config.queue.shift()();
886 window.setTimeout( process, 13 );
890 if (!config.blocking && !config.queue.length) {
895 function saveGlobal() {
896 config.pollution = [];
898 if ( config.noglobals ) {
899 for ( var key in window ) {
900 config.pollution.push( key );
905 function checkPollution( name ) {
906 var old = config.pollution;
909 var newGlobals = diff( config.pollution, old );
910 if ( newGlobals.length > 0 ) {
911 ok( false, "Introduced global variable(s): " + newGlobals.join(", ") );
914 var deletedGlobals = diff( old, config.pollution );
915 if ( deletedGlobals.length > 0 ) {
916 ok( false, "Deleted global variable(s): " + deletedGlobals.join(", ") );
920 // returns a new Array with the elements that are in a but not in b
921 function diff( a, b ) {
922 var result = a.slice();
923 for ( var i = 0; i < result.length; i++ ) {
924 for ( var j = 0; j < b.length; j++ ) {
925 if ( result[i] === b[j] ) {
935 function fail(message, exception, callback) {
936 if ( typeof console !== "undefined" && console.error && console.warn ) {
937 console.error(message);
938 console.error(exception);
939 console.warn(callback.toString());
941 } else if ( window.opera && opera.postError ) {
942 opera.postError(message, exception, callback.toString);
946 function extend(a, b) {
947 for ( var prop in b ) {
948 if ( b[prop] === undefined ) {
958 function addEvent(elem, type, fn) {
959 if ( elem.addEventListener ) {
960 elem.addEventListener( type, fn, false );
961 } else if ( elem.attachEvent ) {
962 elem.attachEvent( "on" + type, fn );
969 return !!(typeof document !== "undefined" && document && document.getElementById) &&
970 document.getElementById( name );
973 // Test for equality any JavaScript type.
974 // Discussions and reference: http://philrathe.com/articles/equiv
975 // Test suites: http://philrathe.com/tests/equiv
976 // Author: Philippe Rathé <prathe@gmail.com>
977 QUnit.equiv = function () {
979 var innerEquiv; // the real equiv function
980 var callers = []; // stack to decide between skip/abort functions
981 var parents = []; // stack to avoiding loops from circular referencing
983 // Call the o related callback with the given arguments.
984 function bindCallbacks(o, callbacks, args) {
985 var prop = QUnit.objectType(o);
987 if (QUnit.objectType(callbacks[prop]) === "function") {
988 return callbacks[prop].apply(callbacks, args);
990 return callbacks[prop]; // or undefined
995 var callbacks = function () {
997 // for string, boolean, number and null
998 function useStrictEquality(b, a) {
999 if (b instanceof a.constructor || a instanceof b.constructor) {
1000 // to catch short annotaion VS 'new' annotation of a
1003 // var j = new Number(1);
1011 "string" : useStrictEquality,
1012 "boolean" : useStrictEquality,
1013 "number" : useStrictEquality,
1014 "null" : useStrictEquality,
1015 "undefined" : useStrictEquality,
1017 "nan" : function(b) {
1021 "date" : function(b, a) {
1022 return QUnit.objectType(b) === "date"
1023 && a.valueOf() === b.valueOf();
1026 "regexp" : function(b, a) {
1027 return QUnit.objectType(b) === "regexp"
1028 && a.source === b.source && // the regex itself
1029 a.global === b.global && // and its modifers
1031 a.ignoreCase === b.ignoreCase
1032 && a.multiline === b.multiline;
1035 // - skip when the property is a method of an instance (OOP)
1036 // - abort otherwise,
1037 // initial === would have catch identical references anyway
1038 "function" : function() {
1039 var caller = callers[callers.length - 1];
1040 return caller !== Object && typeof caller !== "undefined";
1043 "array" : function(b, a) {
1047 // b could be an object literal here
1048 if (!(QUnit.objectType(b) === "array")) {
1053 if (len !== b.length) { // safe and faster
1057 // track reference to avoid circular references
1059 for (i = 0; i < len; i++) {
1061 for (j = 0; j < parents.length; j++) {
1062 if (parents[j] === a[i]) {
1063 loop = true;// dont rewalk array
1066 if (!loop && !innerEquiv(a[i], b[i])) {
1075 "object" : function(b, a) {
1077 var eq = true; // unless we can proove it
1078 var aProperties = [], bProperties = []; // collection of
1081 // comparing constructors is more strict than using
1083 if (a.constructor !== b.constructor) {
1087 // stack constructor before traversing properties
1088 callers.push(a.constructor);
1089 // track reference to avoid circular references
1092 for (i in a) { // be strict: don't ensures hasOwnProperty
1095 for (j = 0; j < parents.length; j++) {
1096 if (parents[j] === a[i])
1097 loop = true; // don't go down the same path
1100 aProperties.push(i); // collect a's properties
1102 if (!loop && !innerEquiv(a[i], b[i])) {
1108 callers.pop(); // unstack, we are done
1112 bProperties.push(i); // collect b's properties
1115 // Ensures identical properties name
1117 && innerEquiv(aProperties.sort(), bProperties
1123 innerEquiv = function() { // can take multiple arguments
1124 var args = Array.prototype.slice.apply(arguments);
1125 if (args.length < 2) {
1126 return true; // end transition
1129 return (function(a, b) {
1131 return true; // catch the most you can
1132 } else if (a === null || b === null || typeof a === "undefined"
1133 || typeof b === "undefined"
1134 || QUnit.objectType(a) !== QUnit.objectType(b)) {
1135 return false; // don't lose time with error prone cases
1137 return bindCallbacks(a, callbacks, [ b, a ]);
1140 // apply transition with (1..n) arguments
1141 })(args[0], args[1])
1142 && arguments.callee.apply(this, args.splice(1,
1151 * jsDump Copyright (c) 2008 Ariel Flesler - aflesler(at)gmail(dot)com |
1152 * http://flesler.blogspot.com Licensed under BSD
1153 * (http://www.opensource.org/licenses/bsd-license.php) Date: 5/15/2008
1155 * @projectDescription Advanced and extensible data dumping for Javascript.
1157 * @author Ariel Flesler
1158 * @link {http://flesler.blogspot.com/2008/05/jsdump-pretty-dump-of-any-javascript.html}
1160 QUnit.jsDump = (function() {
1161 function quote( str ) {
1162 return '"' + str.toString().replace(/"/g, '\\"') + '"';
1164 function literal( o ) {
1167 function join( pre, arr, post ) {
1168 var s = jsDump.separator(),
1169 base = jsDump.indent(),
1170 inner = jsDump.indent(1);
1172 arr = arr.join( ',' + s + inner );
1175 return [ pre, inner + arr, base + post ].join(s);
1177 function array( arr, stack ) {
1178 var i = arr.length, ret = Array(i);
1181 ret[i] = this.parse( arr[i] , undefined , stack);
1183 return join( '[', ret, ']' );
1186 var reName = /^function (\w+)/;
1189 parse:function( obj, type, stack ) { //type is used mostly internally, you can fix a (custom)type in advance
1190 stack = stack || [ ];
1191 var parser = this.parsers[ type || this.typeOf(obj) ];
1192 type = typeof parser;
1193 var inStack = inArray(obj, stack);
1194 if (inStack != -1) {
1195 return 'recursion('+(inStack - stack.length)+')';
1198 if (type == 'function') {
1200 var res = parser.call( this, obj, stack );
1205 return (type == 'string') ? parser : this.parsers.error;
1207 typeOf:function( obj ) {
1209 if ( obj === null ) {
1211 } else if (typeof obj === "undefined") {
1213 } else if (QUnit.is("RegExp", obj)) {
1215 } else if (QUnit.is("Date", obj)) {
1217 } else if (QUnit.is("Function", obj)) {
1219 } else if (typeof obj.setInterval !== undefined && typeof obj.document !== "undefined" && typeof obj.nodeType === "undefined") {
1221 } else if (obj.nodeType === 9) {
1223 } else if (obj.nodeType) {
1225 } else if (typeof obj === "object" && typeof obj.length === "number" && obj.length >= 0) {
1232 separator:function() {
1233 return this.multiline ? this.HTML ? '<br />' : '\n' : this.HTML ? ' ' : ' ';
1235 indent:function( extra ) {// extra can be a number, shortcut for increasing-calling-decreasing
1236 if ( !this.multiline )
1238 var chr = this.indentChar;
1240 chr = chr.replace(/\t/g,' ').replace(/ /g,' ');
1241 return Array( this._depth_ + (extra||0) ).join(chr);
1244 this._depth_ += a || 1;
1246 down:function( a ) {
1247 this._depth_ -= a || 1;
1249 setParser:function( name, parser ) {
1250 this.parsers[name] = parser;
1252 // The next 3 are exposed so you can use them
1258 // This is the list of parsers, to modify them, use jsDump.setParser
1261 document: '[Document]',
1262 error:'[ERROR]', //when no parser is found, shouldn't happen
1263 unknown: '[Unknown]',
1265 'undefined':'undefined',
1266 'function':function( fn ) {
1267 var ret = 'function',
1268 name = 'name' in fn ? fn.name : (reName.exec(fn)||[])[1];//functions never have name in IE
1273 ret = [ ret, QUnit.jsDump.parse( fn, 'functionArgs' ), '){'].join('');
1274 return join( ret, QUnit.jsDump.parse(fn,'functionCode'), '}' );
1279 object:function( map, stack ) {
1282 for ( var key in map ) {
1284 ret.push( QUnit.jsDump.parse(key,'key') + ': ' + QUnit.jsDump.parse(val, undefined, stack));
1286 QUnit.jsDump.down();
1287 return join( '{', ret, '}' );
1289 node:function( node ) {
1290 var open = QUnit.jsDump.HTML ? '<' : '<',
1291 close = QUnit.jsDump.HTML ? '>' : '>';
1293 var tag = node.nodeName.toLowerCase(),
1296 for ( var a in QUnit.jsDump.DOMAttrs ) {
1297 var val = node[QUnit.jsDump.DOMAttrs[a]];
1299 ret += ' ' + a + '=' + QUnit.jsDump.parse( val, 'attribute' );
1301 return ret + close + open + '/' + tag + close;
1303 functionArgs:function( fn ) {//function calls it internally, it's the arguments part of the function
1305 if ( !l ) return '';
1307 var args = Array(l);
1309 args[l] = String.fromCharCode(97+l);//97 is 'a'
1310 return ' ' + args.join(', ') + ' ';
1312 key:quote, //object calls it internally, the key part of an item in a map
1313 functionCode:'[code]', //function calls it internally, it's the content of the function
1314 attribute:quote, //node calls it internally, it's an html attribute value
1317 regexp:literal, //regex
1321 DOMAttrs:{//attributes to dump from nodes, name=>realName
1326 HTML:false,//if true, entities are escaped ( <, >, \t, space and \n )
1327 indentChar:' ',//indentation unit
1328 multiline:true //if true, items in a collection, are separated by a \n, else just a space.
1335 function getText( elems ) {
1338 for ( var i = 0; elems[i]; i++ ) {
1341 // Get the text from text nodes and CDATA nodes
1342 if ( elem.nodeType === 3 || elem.nodeType === 4 ) {
1343 ret += elem.nodeValue;
1345 // Traverse everything else, except comment nodes
1346 } else if ( elem.nodeType !== 8 ) {
1347 ret += getText( elem.childNodes );
1355 function inArray( elem, array ) {
1356 if ( array.indexOf ) {
1357 return array.indexOf( elem );
1360 for ( var i = 0, length = array.length; i < length; i++ ) {
1361 if ( array[ i ] === elem ) {
1370 * Javascript Diff Algorithm
1371 * By John Resig (http://ejohn.org/)
1372 * Modified by Chu Alan "sprite"
1374 * Released under the MIT license.
1377 * http://ejohn.org/projects/javascript-diff-algorithm/
1379 * Usage: QUnit.diff(expected, actual)
1381 * QUnit.diff("the quick brown fox jumped over", "the quick fox jumps over") == "the quick <del>brown </del> fox <del>jumped </del><ins>jumps </ins> over"
1383 QUnit.diff = (function() {
1384 function diff(o, n) {
1388 for (var i = 0; i < n.length; i++) {
1389 if (ns[n[i]] == null)
1394 ns[n[i]].rows.push(i);
1397 for (var i = 0; i < o.length; i++) {
1398 if (os[o[i]] == null)
1403 os[o[i]].rows.push(i);
1407 if (ns[i].rows.length == 1 && typeof(os[i]) != "undefined" && os[i].rows.length == 1) {
1408 n[ns[i].rows[0]] = {
1409 text: n[ns[i].rows[0]],
1412 o[os[i].rows[0]] = {
1413 text: o[os[i].rows[0]],
1419 for (var i = 0; i < n.length - 1; i++) {
1420 if (n[i].text != null && n[i + 1].text == null && n[i].row + 1 < o.length && o[n[i].row + 1].text == null &&
1421 n[i + 1] == o[n[i].row + 1]) {
1427 text: o[n[i].row + 1],
1433 for (var i = n.length - 1; i > 0; i--) {
1434 if (n[i].text != null && n[i - 1].text == null && n[i].row > 0 && o[n[i].row - 1].text == null &&
1435 n[i - 1] == o[n[i].row - 1]) {
1441 text: o[n[i].row - 1],
1453 return function(o, n) {
1454 o = o.replace(/\s+$/, '');
1455 n = n.replace(/\s+$/, '');
1456 var out = diff(o == "" ? [] : o.split(/\s+/), n == "" ? [] : n.split(/\s+/));
1460 var oSpace = o.match(/\s+/g);
1461 if (oSpace == null) {
1467 var nSpace = n.match(/\s+/g);
1468 if (nSpace == null) {
1475 if (out.n.length == 0) {
1476 for (var i = 0; i < out.o.length; i++) {
1477 str += '<del>' + out.o[i] + oSpace[i] + "</del>";
1481 if (out.n[0].text == null) {
1482 for (n = 0; n < out.o.length && out.o[n].text == null; n++) {
1483 str += '<del>' + out.o[n] + oSpace[n] + "</del>";
1487 for (var i = 0; i < out.n.length; i++) {
1488 if (out.n[i].text == null) {
1489 str += '<ins>' + out.n[i] + nSpace[i] + "</ins>";
1494 for (n = out.n[i].row + 1; n < out.o.length && out.o[n].text == null; n++) {
1495 pre += '<del>' + out.o[n] + oSpace[n] + "</del>";
1497 str += " " + out.n[i].text + nSpace[i] + pre;