Class.mock Generic for MooTools

Class.mock.js

Class.extend({
    mock: function(klass, options){
        options = options || {};
        klass = klass.prototype;
        var proto = {};
        for (var i in klass) (function(key, value){
            proto[key] = options[key];
            if (proto[key]) return;
            switch ($type(value)){
                case 'function':
                    proto[key] = function(){}; break;
                case 'object':
                case 'array':
                    proto[key] = $unlink(value); break;
                default:
                    proto[key] = value;
            }
        })(i, klass[i]);
        return new Class(proto);
    }
})​;