/*
 * QUnit - jQuery unit testrunner
 * 
 * http://docs.jquery.com/QUnit
 *
 * Copyright (c) 2008 John Resig, Jörn Zaefferer
 * Dual licensed under the MIT (MIT-LICENSE.txt)
 * and GPL (GPL-LICENSE.txt) licenses.
 *
 * $Id: testrunner.js 5852 2008-09-21 16:46:56Z joern.zaefferer $
 */

(function($) {
	
var config = {
	Test: [],
	stats: {
		all: 0,
		bad: 0
	},
	queue: [],
	// block until document ready
	blocking: true
};

//restrict modules/tests by get parameters
config.filters = location.search.length > 1 && $.map( location.search.slice(1).split('&'), decodeURIComponent );

var isLocal = !!(window.location.protocol == 'file:');

$(function() {
	$('#userAgent').html(navigator.userAgent);
	runTest();	
});

function synchronize(callback) {
	config.queue.push(callback);
	if(!config.blocking) {
		process();
	}
}

function process() {
	while(config.queue.length && !config.blocking) {
		config.queue.shift()();
	}
}

function stop(allowFailure) {
	config.blocking = true;
}
function start() {
	// A slight delay, to avoid any current callbacks
	setTimeout(function() {
		config.blocking = false;
		process();
	}, 13);
}

function validTest( name ) {
	var filters = config.filters;
	if( !filters )
		return true;

	var i = filters.length,
		run = false;
	while( i-- ){
		var filter = 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 runTest() {
	config.blocking = false;
	var started = +new Date;
	config.fixture = document.getElementById('main').innerHTML;
	config.ajaxSettings = $.ajaxSettings;
	synchronize(function() {
		$('<p id="testresult" class="result">').html(['Tests completed in ',
			+new Date - started, ' milliseconds.<br/>',
			'<span class="bad">', config.stats.bad, '</span> tests of <span class="all">', config.stats.all, '</span> failed.</p>']
			.join(''))
			.appendTo("body");
		$("#banner").addClass(config.stats.bad ? "fail" : "pass");
	});
}

function test(name, callback, nowait) {
	if(config.currentModule)
		name = config.currentModule + " module: " + name;
	var lifecycle = $.extend({
		setup: function() {},
		teardown: function() {}
	}, config.moduleLifecycle);
	
	if ( !validTest(name) )
		return;
		
	synchronize(function() {
		config.Test = [];
		try {
			lifecycle.setup();
			callback();
			lifecycle.teardown();
		} catch(e) {
			if( typeof console != "undefined" && console.error && console.warn ) {
				console.error("Test " + name + " died, exception and test follows");
				console.error(e);
				console.warn(callback.toString());
			}
			config.Test.push( [ false, "Died on test #" + (config.Test.length+1) + ": " + e.message ] );
		}
	});
	synchronize(function() {
		try {
			reset();
		} catch(e) {
			if( typeof console != "undefined" && console.error && console.warn ) {
				console.error("reset() failed, following Test " + name + ", exception and reset fn follows");
				console.error(e);
				console.warn(reset.toString());
			}
		}
		
		// don't output pause tests
		if(nowait) return;
		
		if(config.expected && config.expected != config.Test.length) {
			config.Test.push( [ false, "Expected " + config.expected + " assertions, but " + config.Test.length + " were run" ] );
		}
		config.expected = null;
		
		var good = 0, bad = 0;
		var ol = document.createElement("ol");
		ol.style.display = "none";
		var li = "", state = "pass";
		for ( var i = 0; i < config.Test.length; i++ ) {
			var li = document.createElement("li");
			li.className = config.Test[i][0] ? "pass" : "fail";
			li.appendChild( document.createTextNode(config.Test[i][1]) );
			ol.appendChild( li );
			
			config.stats.all++;
			if ( !config.Test[i][0] ) {
				state = "fail";
				bad++;
				config.stats.bad++;
			} else good++;
		}
	
		var li = document.createElement("li");
		li.className = state;
	
		var b = document.createElement("strong");
		b.innerHTML = name + " <b style='color:black;'>(<b class='fail'>" + bad + "</b>, <b class='pass'>" + good + "</b>, " + config.Test.length + ")</b>";
		b.onclick = function(){
			var n = this.nextSibling;
			if ( $.css( n, "display" ) == "none" )
				n.style.display = "block";
			else
				n.style.display = "none";
		};
		$(b).dblclick(function(event) {
			var target = $(event.target).filter("strong").clone();
			if ( target.length ) {
				target.children().remove();
				location.href = location.href.match(/^(.+?)(\?.*)?$/)[1] + "?" + encodeURIComponent($.trim(target.text()));
			}
		});
		li.appendChild( b );
		li.appendChild( ol );
	
		document.getElementById("tests").appendChild( li );		
	});
}

// call on start of module test to prepend name to all tests
function module(name, lifecycle) {
	config.currentModule = name;
	config.moduleLifecycle = lifecycle;
}

/**
 * Specify the number of expected assertions to gurantee that failed test (no assertions are run at all) don't slip through.
 */
function expect(asserts) {
	config.expected = asserts;
}

/**
 * Resets the test setup. Useful for tests that modify the DOM.
 */
function reset() {
	$("#main").html( config.fixture );
	$.event.global = {};
	$.ajaxSettings = $.extend({}, config.ajaxSettings);
}

/**
 * Asserts true.
 * @example ok( $("a").size() > 5, "There must be at least 5 anchors" );
 */
function ok(a, msg) {
	config.Test.push( [ !!a, msg ] );
}

/**
 * Asserts that two arrays are the same
 */
function isSet(a, b, msg) {
	var ret = true;
	if ( a && b && a.length != undefined && a.length == b.length ) {
		for ( var i = 0; i < a.length; i++ )
			if ( a[i] != b[i] )
				ret = false;
	} else
		ret = false;
	if ( !ret )
		config.Test.push( [ ret, msg + " expected: " + serialArray(b) + " result: " + serialArray(a) ] );
	else 
		config.Test.push( [ ret, msg ] );
}

/**
 * Asserts that two objects are equivalent
 */
function isObj(a, b, msg) {
	var ret = true;
	
	if ( a && b ) {
		for ( var i in a )
			if ( a[i] != b[i] )
				ret = false;

		for ( i in b )
			if ( a[i] != b[i] )
				ret = false;
	} else
		ret = false;

    config.Test.push( [ ret, msg ] );
}

function serialArray( a ) {
	var r = [];
	
	if ( a && a.length )
        for ( var i = 0; i < a.length; i++ ) {
            var str = a[i].nodeName;
            if ( str ) {
                str = str.toLowerCase();
                if ( a[i].id )
                    str += "#" + a[i].id;
            } else
                str = a[i];
            r.push( str );
        }

	return "[ " + r.join(", ") + " ]";
}

function flatMap(a, block) {
	var result = [];
	$.each(a, function() {
		var x = block.apply(this, arguments);
		if (x !== false)
			result.push(x);
	})
	return result;
}

function serialObject( a ) {
	return "{ " + flatMap(a, function(key, value) {
		return key + ": " + value;
	}).join(", ") + " }";
}

function compare(a, b, msg) {
	var ret = true;
	if ( a && b && a.length != undefined && a.length == b.length ) {
		for ( var i = 0; i < a.length; i++ )
			for(var key in a[i]) {
				if (a[i][key].constructor == Array) {
					for (var arrayKey in a[i][key]) {
						if (a[i][key][arrayKey] != b[i][key][arrayKey]) {
							ret = false;
						}
					}
				} else if (a[i][key] != b[i][key]) {
					ret = false
				}
			}
	} else
		ret = false;
	ok( ret, msg + " expected: " + serialArray(b) + " result: " + serialArray(a) );
}

function compare2(a, b, msg) {
	var ret = true;
	if ( a && b ) {
		for(var key in a) {
			if (a[key].constructor == Array) {
				for (var arrayKey in a[key]) {
					if (a[key][arrayKey] != b[key][arrayKey]) {
						ret = false;
					}
				}
			} else if (a[key] != b[key]) {
				ret = false
			}
		}
		for(key in b) {
			if (b[key].constructor == Array) {
				for (var arrayKey in b[key]) {
					if (a[key][arrayKey] != b[key][arrayKey]) {
						ret = false;
					}
				}
			} else if (a[key] != b[key]) {
				ret = false
			}
		}
	} else
		ret = false;
	ok( ret, msg + " expected: " + serialObject(b) + " result: " + serialObject(a) );
}

/**
 * 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 = $(b);
	var s = "";
	for ( var i = 0; i < f.length; i++ )
		s += (s && ",") + '"' + f[i].id + '"';
	isSet(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);
}

/**
 * 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 equals( $.format("Received {0} bytes.", 2), "Received 2 bytes." );
 *
 * @param Object actual
 * @param Object expected
 * @param String message (optional)
 */
function equals(actual, expected, message) {
	var result = expected == actual;
	message = message || (result ? "okay" : "failed");
	config.Test.push( [ result, result ? message + ": " + expected : message + " expected: " + expected + " actual: " + actual ] );
}

/**
 * Trigger an event on an element.
 *
 * @example triggerEvent( document.body, "click" );
 *
 * @param DOMElement elem
 * @param String type
 */
function triggerEvent( elem, type, event ) {
	if ( $.browser.mozilla || $.browser.opera ) {
		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 ( $.browser.msie ) {
		elem.fireEvent("on"+type);
	}
}

// public API as global methods
$.extend(window, {
	test: test,
	module: module,
	expect: expect,
	ok: ok,
	equals: equals,
	start: start,
	stop: stop,
	reset: reset,
	isLocal: isLocal,
	// legacy methods below
	isSet: isSet,
	isObj: isObj,
	compare: compare,
	compare2: compare2,
	serialArray: serialArray,
	q: q,
	t: t,
	url: url,
	triggerEvent: triggerEvent
});

})(jQuery);