ca-apm-probe/test/guidgenerator-test.js

CA APM Node.js Agent monitors real-time health and performance of Node.js applications

 
/**
 * Copyright (c) 2015 CA. All rights reserved.
 *
 * This software and all information contained therein is confidential and proprietary and
 * shall not be duplicated, used, disclosed or disseminated in any way except as authorized
 * by the applicable license agreement, without the express written permission of CA. All
 * authorized reproductions must be marked with this language.
 *
 * EXCEPT AS SET FORTH IN THE APPLICABLE LICENSE AGREEMENT, TO THE EXTENT
 * PERMITTED BY APPLICABLE LAW, CA PROVIDES THIS SOFTWARE WITHOUT WARRANTY
 * OF ANY KIND, INCLUDING WITHOUT LIMITATION, ANY IMPLIED WARRANTIES OF
 * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT WILL CA BE
 * LIABLE TO THE END USER OR ANY THIRD PARTY FOR ANY LOSS OR DAMAGE, DIRECT OR
 * INDIRECT, FROM THE USE OF THIS SOFTWARE, INCLUDING WITHOUT LIMITATION, LOST
 * PROFITS, BUSINESS INTERRUPTION, GOODWILL, OR LOST DATA, EVEN IF CA IS
 * EXPRESSLY ADVISED OF SUCH LOSS OR DAMAGE.
 */

'use strict';
var guidgenerator = require('../lib/utils/guidgenerator');
var assert = require('assert');

describe('GuidGenerator', function() {
	describe('.generateGuid()', function() {
		it('should return valid guid', function() {
			assert.notEqual(guidgenerator.generateGuid(), null, "guid is null");
			assert.notEqual(guidgenerator.generateGuid(), undefined, "guid is undefined");
		});

		it('guid should be of type string', function() {
			assert.strictEqual(typeof guidgenerator.generateGuid(), 'string', "type of guid is not string");
		});

		it('guid should be unique', function() {
			var map = {};

			// create 1000 guids
			for(var i = 0; i < 1000; i++){
				map[guidgenerator.generateGuid()] = true;
			}

			var customGuid = '1234ABCD';
			map[customGuid] = true;

			// test if we have correct map implementaion
			assert.strictEqual(customGuid in map, true);
			assert.notEqual(guidgenerator.generateGuid() in map, true);
		});		

	});

})