<?php /** * Copyright 2017 Facebook, Inc. * * You are hereby granted a non-exclusive, worldwide, royalty-free license to * use, copy, modify, and distribute this software in source code or binary * form for use in connection with the web services and APIs provided by * Facebook. * * As with any software that integrates with the Facebook platform, your use * of this software is subject to the Facebook Developer Principles and * Policies [http://developers.facebook.com/policy/]. This copyright notice * shall be included in all copies or substantial portions of the software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER * DEALINGS IN THE SOFTWARE. * */ namespace Facebook\Tests\PseudoRandomString; use Facebook\PseudoRandomString\UrandomPseudoRandomStringGenerator; class UrandomPseudoRandomStringGeneratorTest extends \PHPUnit_Framework_TestCase { public function testCanGenerateRandomStringOfArbitraryLength() { if (ini_get('open_basedir')) { $this->markTestSkipped( 'Cannot test /dev/urandom generator due to open_basedir constraint.' ); } if (!is_readable('/dev/urandom')) { $this->markTestSkipped( '/dev/urandom not found or is not readable.' ); } $prsg = new UrandomPseudoRandomStringGenerator(); $randomString = $prsg->getPseudoRandomString(10); $this->assertEquals(1, preg_match('/^([0-9a-f]+)$/', $randomString)); $this->assertEquals(10, mb_strlen($randomString)); } }