gistfile1.js

      var mock = function (constr, name) {
        var HelperConstr = function(){};
        HelperConstr.prototype = constr.prototype;
        var result = new HelperConstr();
        for (var key in constr.prototype) {
          try {
            if (constr.prototype[ key ] instanceof Function) {
              result[ key ] = jasmine.createSpy(( name || 'mock' ) + '.' + key);
            }
          } catch (ex) {
          }
        }
        return result;
      };