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function test(name, fn){
expected = -1;
numTests = 0;
reset();
fn();
if ( expected != -1 && expected != numTests )
log( false, "Wrong number of tests run. " + numTests + " ran, expected " + expected );
}
var orig = document.getElementById('main').innerHTML;
/**
* Resets the test setup. Useful for tests that modify the DOM.
*/
function reset() {
document.getElementById('main').innerHTML = orig;
}
var currentModule = "";
// call on start of module test to prepend name to all tests
function module(moduleName) {
currentModule = moduleName;
}
var expected = -1;
/**
* Specify the number of expected assertions to gurantee that failed test (no assertions are run at all) don't slip through.
*/
function expect(asserts) {
expected = asserts;
}
/**
* Asserts true.
* @example ok( $("a").size() > 5, "There must be at least 5 anchors" );
*/
function ok(a, msg) {
log( !!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 )
log( ret, msg + " expected: " + serialArray(b) + " result: " + serialArray(a) );
else
log( 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;
log( ret, msg );
}
function serialArray( a ) {
var r = [];
if ( a && a.length )
for ( var i = 0; i < a.length; i++ ) {
var str = a[i] ? 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(", ") + " ]"
}
/**
* 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(b);
var s = "";
for ( var i = 0; i < f.length; i++ )
s += (s && ",") + '"' + f[i].id + '"';
isSet(f, q.apply(q,c), a + " (" + b + ")");
}
/**
* 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");
log( result, result ? message + ": " + expected : message + " expected: " + expected + " actual: " + actual );
}
var numTests = 0, total = 0, pass = 0, fail = 0;
function log(state, msg){
print( (state ? "PASS" : "FAIL") + " (" + (++total) + ") " +
(currentModule ? "[" + currentModule + "] " : "") + msg );
numTests++;
if ( state )
pass++;
else
fail++;
}
function results(){
print( pass + " Passed, " + fail + " Failed" );
}
function start(){}
function stop(){}
/**
* Trigger an event on an element.
*
* @example triggerEvent( document.body, "click" );
*
* @param DOMElement elem
* @param String type
*/
function triggerEvent( elem, type, event ) {
/*
if ( jQuery.browser.mozilla || jQuery.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 ( jQuery.browser.msie ) {
elem.fireEvent("on"+type);
}
*/
}
/**
* 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);
}
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