helper.js

/*
 *
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 *
 */
//helper.js

module.exports = {
    getRandomString: function(length) {
        var string = '';
        var letters = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz';
        for (i = 0; i < length; i++) {
            string += letters.charAt(Math.floor(Math.random() * letters.length));
        }
        return string;
    },
    getRandomNumber: function(min, max) {
        return parseInt(Math.random() * (max - min) + min);
    },
    trimResult: function(toTrim) {
        return toTrim.then(function(val){
            return val.trim();
        });
    },
    parseResultToInteger: function(toParse) {
        return toParse.then(function(val){
            return parseInt(val);
        });
    }
};