var should = require('chai').should() , assert = require('chai').assert , customUtils = require('../lib/customUtils') , fs = require('fs') ; describe('customUtils', function () { describe('uid', function () { it('Generates a string of the expected length', function () { customUtils.uid(3).length.should.equal(3); customUtils.uid(16).length.should.equal(16); customUtils.uid(42).length.should.equal(42); customUtils.uid(1000).length.should.equal(1000); }); // Very small probability of conflict it('Generated uids should not be the same', function () { customUtils.uid(56).should.not.equal(customUtils.uid(56)); }); }); });