lib/tests/qrcode_test.php

   1 <?php
   2 // This file is part of Moodle - http://moodle.org/
   3 //
   4 // Moodle is free software: you can redistribute it and/or modify
   5 // it under the terms of the GNU General Public License as published by
   6 // the Free Software Foundation, either version 3 of the License, or
   7 // (at your option) any later version.
   8 //
   9 // Moodle is distributed in the hope that it will be useful,
  10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 // GNU General Public License for more details.
  13 //
  14 // You should have received a copy of the GNU General Public License
  15 // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
  16
  17 namespace core;
  18
  19 use core_qrcode;
  20
  21 /**
  22  * A set of tests for some of the QR code functionality within Moodle.
  23  *
  24  * @package    core
  25  * @copyright  Moodle Pty Ltd
  26  * @author     <juan@moodle.com>
  27  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  28  */
  29 class qrcode_test extends \basic_testcase {
  30
  31     /**
  32      * Basic test to generate a QR code and check that the library is not broken.
  33      */
  34     public function test_generate_basic_qr() {
  35         // The QR code generator library apply masks by random order, this is why everytime a QR code is generated the resultant
  36         // binary file can be different. This is why tests are limited.
  37
  38         $text = 'abc';
  39         $color = 'black';
  40         $qrcode = new core_qrcode($text, $color);
  41         $svgdata = $qrcode->getBarcodeSVGcode(1, 1);
  42
  43         // Just check the SVG was generated.
  44         $this->assertStringContainsString('<desc>' . $text . '</desc>', $svgdata);
  45         $this->assertStringContainsString('fill="' . $color . '"', $svgdata);
  46     }
  47 }