jquery-ui/tests/unit/testsuite.js

$(function() {

$('body').prepend(
	'<h1 id="header">' + document.title + '</h1>' +
	'<h2 id="banner"></h2>' +
	'<h2 id="userAgent"></h2>' +
	'<ol id="tests"></ol>'
);

});

function testWidgetDefaults(widget, defaults) {
    var pluginDefaults = $.extend({},
        $.widget.defaults,
        $.ui[widget].defaults
    );
    
    // ensure that all defualts have the correct value
    test('defined defaults', function() {
        $.each(defaults, function(key, val) {
            same(pluginDefaults[key], val, key);
        });
    });
    
    // ensure that all defaults were tested
    test('tested defaults', function() {
        $.each(pluginDefaults, function(key) {
            ok(key in defaults, key);
        });
    });
    
    // defaults after init
    test('defaults on init', function() {
        var el = $('<div/>')[widget](),
            instance = el.data(widget);
        
        $.each(defaults, function(key, val) {
            same(instance.options[key], val, key);
        });
        el.remove();
    });
}

function testSettingOptions(widget, options) {
    test('option values', function() {
        var el = $('<div/>')[widget](),
            instance = el.data(widget);
        
        $.each(options, function(i, option) {
            $.each({
                'null': null,
                'false': false,
                'true': true,
                zero: 0,
                number: 1,
                'empty string': '',
                string: 'string',
                'empty array': [],
                array: ['array'],
                'empty object': {},
                object: {obj: 'ect'},
                date: new Date(),
                regexp: /regexp/,
                'function': function() {}
            }, function(type, val) {
                el[widget]('option', option, val);
                same(instance.options[option], val, option + ': ' + type);
            });
        });
    });
}

function testWidgetOverrides(widget) {
    test('$.widget overrides', function() {
        $.each(['option', '_getData', '_trigger'], function(i, method) {
            ok($.widget.prototype[method] == $.ui[widget].prototype[method],
                'should not override ' + method);
        });
    });
}
function commonWidgetTests(widget, settings) {
    var options = [];
    $.each(settings.defaults, function(option) {
        options.push(option);
    });
    
	module(widget + ": common widget");

    testWidgetDefaults(widget, settings.defaults);
    testSettingOptions(widget, options);
    testWidgetOverrides(widget);
}