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var _config = {
fixture: null,
Test: [],
stats: {
all: 0,
bad: 0
},
queue: [],
blocking: true,
timeout: null,
expected: null,
currentModule: null,
asyncTimeout: 2 // seconds for async timeout
};
$(function() {
$('#userAgent').html(navigator.userAgent);
if($.browser.safari)
$("h1").append(" - Disabled for Safari");
else
runTest();
});
function synchronize(callback) {
_config.queue[_config.queue.length] = callback;
if(!_config.blocking) {
process();
}
}
function process() {
while(_config.queue.length && !_config.blocking) {
var call = _config.queue[0];
_config.queue = _config.queue.slice(1);
call();
}
}
function stop(allowFailure) {
_config.blocking = true;
var handler = allowFailure ? start : function() {
ok( false, "Test timed out" );
start();
};
_config.timeout = setTimeout(handler, _config.asyncTimeout * 1000);
}
function start() {
if(_config.timeout)
clearTimeout(_config.timeout);
_config.blocking = false;
process();
}
function runTest() {
_config.blocking = false;
var time = new Date();
_config.fixture = document.getElementById('main').innerHTML;
synchronize(function() {
time = new Date() - time;
$("<div>").html(['<p class="result">Tests completed in ',
time, ' milliseconds.<br/>',
_config.stats.bad, ' tests of ', _config.stats.all, ' failed.</p>']
.join(''))
.appendTo("body");
$("#banner").addClass(_config.stats.bad ? "fail" : "pass");
});
}
function test(name, callback, nowait) {
// safari seems to have some memory problems, so we need to slow it down
if($.browser.safari && !nowait) {
test("", function() {
stop();
setTimeout(start, 250);
}, true);
}
if(_config.currentModule)
name = _config.currentModule + " module: " + name;
synchronize(function() {
_config.Test = [];
try {
callback();
} 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 ] );
}
});
synchronize(function() {
reset();
// 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.innerHTML = _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("b");
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 ( 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 );
});
}
// call on start of module test to prepend name to all tests
function module(moduleName) {
_config.currentModule = moduleName;
}
/**
* 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() {
document.getElementById('main').innerHTML = _config.fixture;
}
/**
* 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 == b.length ) {
for ( var i in a )
if ( a[i] != b[i] )
ret = false;
} else
ret = false;
if ( !ret )
_config.Test.push( [ ret, msg + " expected: " + b + " result: " + a ] );
else
_config.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 + ")");
}
/**
* 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 expected and actual values on failure.
*
* Prefered to ok( expected == actual, message )
*
* @example equals( "Expected 2 characters.", v.formatMessage("Expected {0} characters.", 2) );
*
* @param Object expected
* @param Object actual
* @param String message (optional)
*/
function equals(expected, actual, message) {
var result = expected == actual;
message = message || result ? "okay" : "failed";
_config.Test.push( [ result, result ? message + ": " + expected : message + " expected: " + expected + " actual: " + actual ] );
}
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