forked from jquery/jquery-ui
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qunit.js
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/
qunit.js
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/*
* QUnit - A JavaScript Unit Testing Framework
*
* http://docs.jquery.com/QUnit
*
* Copyright (c) 2009 John Resig, Jörn Zaefferer
* Dual licensed under the MIT (MIT-LICENSE.txt)
* and GPL (GPL-LICENSE.txt) licenses.
*/
(function(window) {
var QUnit = {
// call on start of module test to prepend name to all tests
module: function(name, testEnvironment) {
config.currentModule = name;
synchronize(function() {
if ( config.currentModule ) {
QUnit.moduleDone( config.currentModule, config.moduleStats.bad, config.moduleStats.all );
}
config.currentModule = name;
config.moduleTestEnvironment = testEnvironment;
config.moduleStats = { all: 0, bad: 0 };
QUnit.moduleStart( name, testEnvironment );
});
},
asyncTest: function(testName, expected, callback) {
if ( arguments.length === 2 ) {
callback = expected;
expected = 0;
}
QUnit.test(testName, expected, callback, true);
},
test: function(testName, expected, callback, async) {
var name = '<span class="test-name">' + testName + '</span>', testEnvironment, testEnvironmentArg;
if ( arguments.length === 2 ) {
callback = expected;
expected = null;
}
// is 2nd argument a testEnvironment?
if ( expected && typeof expected === 'object') {
testEnvironmentArg = expected;
expected = null;
}
if ( config.currentModule ) {
name = '<span class="module-name">' + config.currentModule + "</span>: " + name;
}
if ( !validTest(config.currentModule + ": " + testName) ) {
return;
}
synchronize(function() {
testEnvironment = extend({
setup: function() {},
teardown: function() {}
}, config.moduleTestEnvironment);
if (testEnvironmentArg) {
extend(testEnvironment,testEnvironmentArg);
}
QUnit.testStart( testName, testEnvironment );
// allow utility functions to access the current test environment
QUnit.current_testEnvironment = testEnvironment;
config.assertions = [];
config.expected = expected;
var tests = id("qunit-tests");
if (tests) {
var b = document.createElement("strong");
b.innerHTML = "Running " + name;
var li = document.createElement("li");
li.appendChild( b );
li.id = "current-test-output";
tests.appendChild( li )
}
try {
if ( !config.pollution ) {
saveGlobal();
}
testEnvironment.setup.call(testEnvironment);
} catch(e) {
QUnit.ok( false, "Setup failed on " + name + ": " + e.message );
}
});
synchronize(function() {
if ( async ) {
QUnit.stop();
}
try {
callback.call(testEnvironment);
} catch(e) {
fail("Test " + name + " died, exception and test follows", e, callback);
QUnit.ok( false, "Died on test #" + (config.assertions.length + 1) + ": " + e.message );
// else next test will carry the responsibility
saveGlobal();
// Restart the tests if they're blocking
if ( config.blocking ) {
start();
}
}
});
synchronize(function() {
try {
checkPollution();
testEnvironment.teardown.call(testEnvironment);
} catch(e) {
QUnit.ok( false, "Teardown failed on " + name + ": " + e.message );
}
});
synchronize(function() {
try {
QUnit.reset();
} catch(e) {
fail("reset() failed, following Test " + name + ", exception and reset fn follows", e, reset);
}
if ( config.expected && config.expected != config.assertions.length ) {
QUnit.ok( false, "Expected " + config.expected + " assertions, but " + config.assertions.length + " were run" );
}
var good = 0, bad = 0,
tests = id("qunit-tests");
config.stats.all += config.assertions.length;
config.moduleStats.all += config.assertions.length;
if ( tests ) {
var ol = document.createElement("ol");
for ( var i = 0; i < config.assertions.length; i++ ) {
var assertion = config.assertions[i];
var li = document.createElement("li");
li.className = assertion.result ? "pass" : "fail";
li.innerHTML = assertion.message || "(no message)";
ol.appendChild( li );
if ( assertion.result ) {
good++;
} else {
bad++;
config.stats.bad++;
config.moduleStats.bad++;
}
}
if (bad == 0) {
ol.style.display = "none";
}
var b = document.createElement("strong");
b.innerHTML = name + " <b style='color:black;'>(<b class='fail'>" + bad + "</b>, <b class='pass'>" + good + "</b>, " + config.assertions.length + ")</b>";
addEvent(b, "click", function() {
var next = b.nextSibling, display = next.style.display;
next.style.display = display === "none" ? "block" : "none";
});
addEvent(b, "dblclick", function(e) {
var target = e && e.target ? e.target : window.event.srcElement;
if ( target.nodeName.toLowerCase() == "span" || target.nodeName.toLowerCase() == "b" ) {
target = target.parentNode;
}
if ( window.location && target.nodeName.toLowerCase() === "strong" ) {
window.location.search = "?" + encodeURIComponent(getText([target]).replace(/\(.+\)$/, "").replace(/(^\s*|\s*$)/g, ""));
}
});
var li = id("current-test-output");
li.id = "";
li.className = bad ? "fail" : "pass";
li.removeChild( li.firstChild );
li.appendChild( b );
li.appendChild( ol );
if ( bad ) {
var toolbar = id("qunit-testrunner-toolbar");
if ( toolbar ) {
toolbar.style.display = "block";
id("qunit-filter-pass").disabled = null;
id("qunit-filter-missing").disabled = null;
}
}
} else {
for ( var i = 0; i < config.assertions.length; i++ ) {
if ( !config.assertions[i].result ) {
bad++;
config.stats.bad++;
config.moduleStats.bad++;
}
}
}
QUnit.testDone( testName, bad, config.assertions.length );
if ( !window.setTimeout && !config.queue.length ) {
done();
}
});
synchronize( done );
},
/**
* Specify the number of expected assertions to gurantee that failed test (no assertions are run at all) don't slip through.
*/
expect: function(asserts) {
config.expected = asserts;
},
/**
* Asserts true.
* @example ok( "asdfasdf".length > 5, "There must be at least 5 chars" );
*/
ok: function(a, msg) {
msg = escapeHtml(msg);
QUnit.log(a, msg);
config.assertions.push({
result: !!a,
message: msg
});
},
/**
* Checks that the first two arguments are equal, with an optional message.
* Prints out both actual and expected values.
*
* Prefered to ok( actual == expected, message )
*
* @example equal( format("Received {0} bytes.", 2), "Received 2 bytes." );
*
* @param Object actual
* @param Object expected
* @param String message (optional)
*/
equal: function(actual, expected, message) {
push(expected == actual, actual, expected, message);
},
notEqual: function(actual, expected, message) {
push(expected != actual, actual, expected, message);
},
deepEqual: function(actual, expected, message) {
push(QUnit.equiv(actual, expected), actual, expected, message);
},
notDeepEqual: function(actual, expected, message) {
push(!QUnit.equiv(actual, expected), actual, expected, message);
},
strictEqual: function(actual, expected, message) {
push(expected === actual, actual, expected, message);
},
notStrictEqual: function(actual, expected, message) {
push(expected !== actual, actual, expected, message);
},
raises: function(fn, message) {
try {
fn();
ok( false, message );
}
catch (e) {
ok( true, message );
}
},
start: function() {
// A slight delay, to avoid any current callbacks
if ( window.setTimeout ) {
window.setTimeout(function() {
if ( config.timeout ) {
clearTimeout(config.timeout);
}
config.blocking = false;
process();
}, 13);
} else {
config.blocking = false;
process();
}
},
stop: function(timeout) {
config.blocking = true;
if ( timeout && window.setTimeout ) {
config.timeout = window.setTimeout(function() {
QUnit.ok( false, "Test timed out" );
QUnit.start();
}, timeout);
}
}
};
// Backwards compatibility, deprecated
QUnit.equals = QUnit.equal;
QUnit.same = QUnit.deepEqual;
// Maintain internal state
var config = {
// The queue of tests to run
queue: [],
// block until document ready
blocking: true
};
// Load paramaters
(function() {
var location = window.location || { search: "", protocol: "file:" },
GETParams = location.search.slice(1).split('&');
for ( var i = 0; i < GETParams.length; i++ ) {
GETParams[i] = decodeURIComponent( GETParams[i] );
if ( GETParams[i] === "noglobals" ) {
GETParams.splice( i, 1 );
i--;
config.noglobals = true;
} else if ( GETParams[i].search('=') > -1 ) {
GETParams.splice( i, 1 );
i--;
}
}
// restrict modules/tests by get parameters
config.filters = GETParams;
// Figure out if we're running the tests from a server or not
QUnit.isLocal = !!(location.protocol === 'file:');
})();
// Expose the API as global variables, unless an 'exports'
// object exists, in that case we assume we're in CommonJS
if ( typeof exports === "undefined" || typeof require === "undefined" ) {
extend(window, QUnit);
window.QUnit = QUnit;
} else {
extend(exports, QUnit);
exports.QUnit = QUnit;
}
// define these after exposing globals to keep them in these QUnit namespace only
extend(QUnit, {
config: config,
// Initialize the configuration options
init: function() {
extend(config, {
stats: { all: 0, bad: 0 },
moduleStats: { all: 0, bad: 0 },
started: +new Date,
updateRate: 1000,
blocking: false,
autostart: true,
autorun: false,
assertions: [],
filters: [],
queue: []
});
var tests = id("qunit-tests"),
banner = id("qunit-banner"),
result = id("qunit-testresult");
if ( tests ) {
tests.innerHTML = "";
}
if ( banner ) {
banner.className = "";
}
if ( result ) {
result.parentNode.removeChild( result );
}
},
/**
* Resets the test setup. Useful for tests that modify the DOM.
*/
reset: function() {
if ( window.jQuery ) {
jQuery("#main, #qunit-fixture").html( config.fixture );
}
},
/**
* Trigger an event on an element.
*
* @example triggerEvent( document.body, "click" );
*
* @param DOMElement elem
* @param String type
*/
triggerEvent: function( elem, type, event ) {
if ( document.createEvent ) {
event = document.createEvent("MouseEvents");
event.initMouseEvent(type, true, true, elem.ownerDocument.defaultView,
0, 0, 0, 0, 0, false, false, false, false, 0, null);
elem.dispatchEvent( event );
} else if ( elem.fireEvent ) {
elem.fireEvent("on"+type);
}
},
// Safe object type checking
is: function( type, obj ) {
return QUnit.objectType( obj ) == type;
},
objectType: function( obj ) {
if (typeof obj === "undefined") {
return "undefined";
// consider: typeof null === object
}
if (obj === null) {
return "null";
}
var type = Object.prototype.toString.call( obj )
.match(/^\[object\s(.*)\]$/)[1] || '';
switch (type) {
case 'Number':
if (isNaN(obj)) {
return "nan";
} else {
return "number";
}
case 'String':
case 'Boolean':
case 'Array':
case 'Date':
case 'RegExp':
case 'Function':
return type.toLowerCase();
}
if (typeof obj === "object") {
return "object";
}
return undefined;
},
// Logging callbacks
begin: function() {},
done: function(failures, total) {},
log: function(result, message) {},
testStart: function(name, testEnvironment) {},
testDone: function(name, failures, total) {},
moduleStart: function(name, testEnvironment) {},
moduleDone: function(name, failures, total) {}
});
if ( typeof document === "undefined" || document.readyState === "complete" ) {
config.autorun = true;
}
addEvent(window, "load", function() {
QUnit.begin();
// Initialize the config, saving the execution queue
var oldconfig = extend({}, config);
QUnit.init();
extend(config, oldconfig);
config.blocking = false;
var userAgent = id("qunit-userAgent");
if ( userAgent ) {
userAgent.innerHTML = navigator.userAgent;
}
var banner = id("qunit-header");
if ( banner ) {
banner.innerHTML = '<a href="' + location.href + '">' + banner.innerHTML + '</a>';
}
var toolbar = id("qunit-testrunner-toolbar");
if ( toolbar ) {
toolbar.style.display = "none";
var filter = document.createElement("input");
filter.type = "checkbox";
filter.id = "qunit-filter-pass";
filter.disabled = true;
addEvent( filter, "click", function() {
var li = document.getElementsByTagName("li");
for ( var i = 0; i < li.length; i++ ) {
if ( li[i].className.indexOf("pass") > -1 ) {
li[i].style.display = filter.checked ? "none" : "";
}
}
});
toolbar.appendChild( filter );
var label = document.createElement("label");
label.setAttribute("for", "qunit-filter-pass");
label.innerHTML = "Hide passed tests";
toolbar.appendChild( label );
var missing = document.createElement("input");
missing.type = "checkbox";
missing.id = "qunit-filter-missing";
missing.disabled = true;
addEvent( missing, "click", function() {
var li = document.getElementsByTagName("li");
for ( var i = 0; i < li.length; i++ ) {
if ( li[i].className.indexOf("fail") > -1 && li[i].innerHTML.indexOf('missing test - untested code is broken code') > - 1 ) {
li[i].parentNode.parentNode.style.display = missing.checked ? "none" : "block";
}
}
});
toolbar.appendChild( missing );
label = document.createElement("label");
label.setAttribute("for", "qunit-filter-missing");
label.innerHTML = "Hide missing tests (untested code is broken code)";
toolbar.appendChild( label );
}
var main = id('main') || id('qunit-fixture');
if ( main ) {
config.fixture = main.innerHTML;
}
if (config.autostart) {
QUnit.start();
}
});
function done() {
if ( config.doneTimer && window.clearTimeout ) {
window.clearTimeout( config.doneTimer );
config.doneTimer = null;
}
if ( config.queue.length ) {
config.doneTimer = window.setTimeout(function(){
if ( !config.queue.length ) {
done();
} else {
synchronize( done );
}
}, 13);
return;
}
config.autorun = true;
// Log the last module results
if ( config.currentModule ) {
QUnit.moduleDone( config.currentModule, config.moduleStats.bad, config.moduleStats.all );
}
var banner = id("qunit-banner"),
tests = id("qunit-tests"),
html = ['Tests completed in ',
+new Date - config.started, ' milliseconds.<br/>',
'<span class="passed">', config.stats.all - config.stats.bad, '</span> tests of <span class="total">', config.stats.all, '</span> passed, <span class="failed">', config.stats.bad,'</span> failed.'].join('');
if ( banner ) {
banner.className = (config.stats.bad ? "qunit-fail" : "qunit-pass");
}
if ( tests ) {
var result = id("qunit-testresult");
if ( !result ) {
result = document.createElement("p");
result.id = "qunit-testresult";
result.className = "result";
tests.parentNode.insertBefore( result, tests.nextSibling );
}
result.innerHTML = html;
}
QUnit.done( config.stats.bad, config.stats.all );
}
function validTest( name ) {
var i = config.filters.length,
run = false;
if ( !i ) {
return true;
}
while ( i-- ) {
var filter = config.filters[i],
not = filter.charAt(0) == '!';
if ( not ) {
filter = filter.slice(1);
}
if ( name.indexOf(filter) !== -1 ) {
return !not;
}
if ( not ) {
run = true;
}
}
return run;
}
function escapeHtml(s) {
s = s === null ? "" : s + "";
return s.replace(/[\&"<>\\]/g, function(s) {
switch(s) {
case "&": return "&";
case "\\": return "\\\\";
case '"': return '\"';
case "<": return "<";
case ">": return ">";
default: return s;
}
});
}
function push(result, actual, expected, message) {
message = escapeHtml(message) || (result ? "okay" : "failed");
message = '<span class="test-message">' + message + "</span>";
expected = escapeHtml(QUnit.jsDump.parse(expected));
actual = escapeHtml(QUnit.jsDump.parse(actual));
var output = message + ', expected: <span class="test-expected">' + expected + '</span>';
if (actual != expected) {
output += ' result: <span class="test-actual">' + actual + '</span>, diff: ' + QUnit.diff(expected, actual);
}
// can't use ok, as that would double-escape messages
QUnit.log(result, output);
config.assertions.push({
result: !!result,
message: output
});
}
function synchronize( callback ) {
config.queue.push( callback );
if ( config.autorun && !config.blocking ) {
process();
}
}
function process() {
var start = (new Date()).getTime();
while ( config.queue.length && !config.blocking ) {
if ( config.updateRate <= 0 || (((new Date()).getTime() - start) < config.updateRate) ) {
config.queue.shift()();
} else {
setTimeout( process, 13 );
break;
}
}
}
function saveGlobal() {
config.pollution = [];
if ( config.noglobals ) {
for ( var key in window ) {
config.pollution.push( key );
}
}
}
function checkPollution( name ) {
var old = config.pollution;
saveGlobal();
var newGlobals = diff( old, config.pollution );
if ( newGlobals.length > 0 ) {
ok( false, "Introduced global variable(s): " + newGlobals.join(", ") );
config.expected++;
}
var deletedGlobals = diff( config.pollution, old );
if ( deletedGlobals.length > 0 ) {
ok( false, "Deleted global variable(s): " + deletedGlobals.join(", ") );
config.expected++;
}
}
// returns a new Array with the elements that are in a but not in b
function diff( a, b ) {
var result = a.slice();
for ( var i = 0; i < result.length; i++ ) {
for ( var j = 0; j < b.length; j++ ) {
if ( result[i] === b[j] ) {
result.splice(i, 1);
i--;
break;
}
}
}
return result;
}
function fail(message, exception, callback) {
if ( typeof console !== "undefined" && console.error && console.warn ) {
console.error(message);
console.error(exception);
console.warn(callback.toString());
} else if ( window.opera && opera.postError ) {
opera.postError(message, exception, callback.toString);
}
}
function extend(a, b) {
for ( var prop in b ) {
a[prop] = b[prop];
}
return a;
}
function addEvent(elem, type, fn) {
if ( elem.addEventListener ) {
elem.addEventListener( type, fn, false );
} else if ( elem.attachEvent ) {
elem.attachEvent( "on" + type, fn );
} else {
fn();
}
}
function id(name) {
return !!(typeof document !== "undefined" && document && document.getElementById) &&
document.getElementById( name );
}
// Test for equality any JavaScript type.
// Discussions and reference: http://philrathe.com/articles/equiv
// Test suites: http://philrathe.com/tests/equiv
// Author: Philippe Rathé <prathe@gmail.com>
QUnit.equiv = function () {
var innerEquiv; // the real equiv function
var callers = []; // stack to decide between skip/abort functions
var parents = []; // stack to avoiding loops from circular referencing
// Call the o related callback with the given arguments.
function bindCallbacks(o, callbacks, args) {
var prop = QUnit.objectType(o);
if (prop) {
if (QUnit.objectType(callbacks[prop]) === "function") {
return callbacks[prop].apply(callbacks, args);
} else {
return callbacks[prop]; // or undefined
}
}
}
var callbacks = function () {
// for string, boolean, number and null
function useStrictEquality(b, a) {
if (b instanceof a.constructor || a instanceof b.constructor) {
// to catch short annotaion VS 'new' annotation of a declaration
// e.g. var i = 1;
// var j = new Number(1);
return a == b;
} else {
return a === b;
}
}
return {
"string": useStrictEquality,
"boolean": useStrictEquality,
"number": useStrictEquality,
"null": useStrictEquality,
"undefined": useStrictEquality,
"nan": function (b) {
return isNaN(b);
},
"date": function (b, a) {
return QUnit.objectType(b) === "date" && a.valueOf() === b.valueOf();
},
"regexp": function (b, a) {
return QUnit.objectType(b) === "regexp" &&
a.source === b.source && // the regex itself
a.global === b.global && // and its modifers (gmi) ...
a.ignoreCase === b.ignoreCase &&
a.multiline === b.multiline;
},
// - skip when the property is a method of an instance (OOP)
// - abort otherwise,
// initial === would have catch identical references anyway
"function": function () {
var caller = callers[callers.length - 1];
return caller !== Object &&
typeof caller !== "undefined";
},
"array": function (b, a) {
var i, j, loop;
var len;
// b could be an object literal here
if ( ! (QUnit.objectType(b) === "array")) {
return false;
}
len = a.length;
if (len !== b.length) { // safe and faster
return false;
}
//track reference to avoid circular references
parents.push(a);
for (i = 0; i < len; i++) {
loop = false;
for(j=0;j<parents.length;j++){
if(parents[j] === a[i]){
loop = true;//dont rewalk array
}
}
if (!loop && ! innerEquiv(a[i], b[i])) {
parents.pop();
return false;
}
}
parents.pop();
return true;
},
"object": function (b, a) {
var i, j, loop;
var eq = true; // unless we can proove it
var aProperties = [], bProperties = []; // collection of strings
// comparing constructors is more strict than using instanceof
if ( a.constructor !== b.constructor) {
return false;
}
// stack constructor before traversing properties
callers.push(a.constructor);
//track reference to avoid circular references
parents.push(a);
for (i in a) { // be strict: don't ensures hasOwnProperty and go deep
loop = false;
for(j=0;j<parents.length;j++){
if(parents[j] === a[i])
loop = true; //don't go down the same path twice
}
aProperties.push(i); // collect a's properties
if (!loop && ! innerEquiv(a[i], b[i])) {
eq = false;
break;
}
}
callers.pop(); // unstack, we are done
parents.pop();
for (i in b) {
bProperties.push(i); // collect b's properties
}
// Ensures identical properties name
return eq && innerEquiv(aProperties.sort(), bProperties.sort());
}
};
}();
innerEquiv = function () { // can take multiple arguments
var args = Array.prototype.slice.apply(arguments);
if (args.length < 2) {
return true; // end transition
}
return (function (a, b) {
if (a === b) {
return true; // catch the most you can
} else if (a === null || b === null || typeof a === "undefined" || typeof b === "undefined" || QUnit.objectType(a) !== QUnit.objectType(b)) {
return false; // don't lose time with error prone cases
} else {
return bindCallbacks(a, callbacks, [b, a]);
}
// apply transition with (1..n) arguments
})(args[0], args[1]) && arguments.callee.apply(this, args.splice(1, args.length -1));
};
return innerEquiv;
}();
/**
* jsDump
* Copyright (c) 2008 Ariel Flesler - aflesler(at)gmail(dot)com | http://flesler.blogspot.com
* Licensed under BSD (http://www.opensource.org/licenses/bsd-license.php)
* Date: 5/15/2008
* @projectDescription Advanced and extensible data dumping for Javascript.
* @version 1.0.0
* @author Ariel Flesler
* @link {http://flesler.blogspot.com/2008/05/jsdump-pretty-dump-of-any-javascript.html}
*/
QUnit.jsDump = (function() {
function quote( str ) {
return '"' + str.toString().replace(/"/g, '\\"') + '"';
};
function literal( o ) {
return o + '';
};
function join( pre, arr, post ) {
var s = jsDump.separator(),
base = jsDump.indent(),
inner = jsDump.indent(1);
if ( arr.join )
arr = arr.join( ',' + s + inner );
if ( !arr )
return pre + post;
return [ pre, inner + arr, base + post ].join(s);
};
function array( arr ) {
var i = arr.length, ret = Array(i);
this.up();
while ( i-- )
ret[i] = this.parse( arr[i] );
this.down();
return join( '[', ret, ']' );
};
var reName = /^function (\w+)/;
var jsDump = {
parse:function( obj, type ) { //type is used mostly internally, you can fix a (custom)type in advance
var parser = this.parsers[ type || this.typeOf(obj) ];
type = typeof parser;
return type == 'function' ? parser.call( this, obj ) :
type == 'string' ? parser :
this.parsers.error;
},
typeOf:function( obj ) {
var type;
if ( obj === null ) {
type = "null";
} else if (typeof obj === "undefined") {
type = "undefined";
} else if (QUnit.is("RegExp", obj)) {
type = "regexp";
} else if (QUnit.is("Date", obj)) {
type = "date";
} else if (QUnit.is("Function", obj)) {
type = "function";
} else if (obj.setInterval && obj.document && !obj.nodeType) {
type = "window";
} else if (obj.nodeType === 9) {
type = "document";
} else if (obj.nodeType) {
type = "node";
} else if (typeof obj === "object" && typeof obj.length === "number" && obj.length >= 0) {
type = "array";
} else {
type = typeof obj;