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diff --git a/lib/utils.js b/lib/utils.js
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+/*
+Copyright(c) 2017 AT&T Intellectual Property. All rights reserved. 
+
+Licensed 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.
+*/
+
+"use strict";
+
+// Utility functions
+
+var fs = require('fs');
+var rimraf = require('rimraf');
+var uuid = require('node-uuid');
+
+// Create a directory (named 'dirName') and write 'content' into a file (named 'fileName') in that directory.
+exports.makeDirAndFile =  function(dirName, fileName, content){
+
+	return new Promise(function(resolve, reject){
+		fs.mkdir(dirName, function(err) {
+			if (err) {
+				reject(err);
+			}
+			else {
+				fs.writeFile(dirName + "/" + fileName, content, function(err, fd) {
+					if (err) {
+						reject(err);
+					}
+					else {
+						resolve();						
+					}
+					
+				});
+			}
+		});
+		
+	});	
+};
+
+// Remove directory and its contents
+exports.removeDir = function(dirName) {
+	return new Promise(function(resolve, reject){
+		rimraf(dirName, function(err) {
+			if (err) {
+				reject(err);
+			}
+			else {
+				resolve();
+			}
+		});
+	});
+};
+
+/* Does object 'o' have property 'key' */
+exports.hasProperty = function(o, key) {
+	return key.split('.').every(function(e){
+		if (typeof(o) === 'object' && o !== null && (e in o) &&  (typeof o[e] !== 'undefined')) {
+			o = o[e];
+			return true;
+		}	
+		else {
+			return false;
+		} 
+	});
+};
+
+/* Generate a random ID string */
+exports.generateId = function() {
+	return uuid.v4();	
+};