Moodle 4.1 XRef and Diffs

Search moodle.org's
Developer Documentation

See Release Notes
Long Term Support Release

Bug fixes for general core bugs in 4.1.x will end 13 November 2023 (12 months).
Bug fixes for security issues in 4.1.x will end 10 November 2025 (36 months).
PHP version: minimum PHP 7.4.0 Note: minimum PHP version has increased since Moodle 4.0. PHP 8.0.x is supported too.

Moodle 4.1 Database Schema (by Marcus Green)

/admin/tool/brickfield/tests/local/htmlchecker/common/checks/ -> img_has_alt_test.php (source)

   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  /**
  18   * tool_brickfield check test.
  19   *
  20   * @package    tool_brickfield
  21   * @copyright  2020 onward: Brickfield Education Labs, https://www.brickfield.ie
  22   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  23   */
  24  
  25  namespace tool_brickfield\local\htmlchecker\common\checks;
  26  
  27  defined('MOODLE_INTERNAL') || die();
  28  
  29  require_once ('all_checks.php');
  30  
  31  /**
  32   * Class test_css_text_has_contrast_testcase
  33   */
  34  class img_has_alt_test extends all_checks {
  35      /** @var string Check type */
  36      public $checktype = 'img_has_alt';
  37  
  38      /** @var string Html fail 1 */
  39      private $htmlfail1 = <<<EOD
  40  <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
  41  <html>
  42      <head>
  43          <title>Image alt attributes need to be specified - fail</title>
  44      </head>
  45      <body>
  46      <img src="rex.jpg" alt="">
  47      </body>
  48  </html>
  49  EOD;
  50  
  51      /** @var string Html fail 2 */
  52      private $htmlfail2 = <<<EOD
  53  <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
  54  <html>
  55      <head>
  56          <title>Image alt attributes need to be specified - fail</title>
  57      </head>
  58      <body>
  59      <img src="rex.jpg">
  60      </body>
  61  </html>
  62  EOD;
  63  
  64      /** @var string Html pass */
  65      private $htmlpass = <<<EOD
  66  <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
  67  <html>
  68      <head>
  69          <title>Image alt attributes need to be specified - fail</title>
  70      </head>
  71      <body>
  72      <img src="rex.jpg" alt="this is an image of rex">
  73      </body>
  74  </html>
  75  EOD;
  76      /**
  77       * Test for missing image alt text.
  78       */
  79      public function test_check_fail() {
  80          $results = $this->get_checker_results($this->htmlfail1);
  81          $this->assertTrue($results[0]->element->tagName == 'img');
  82  
  83          $results = $this->get_checker_results($this->htmlfail2);
  84          $this->assertTrue($results[0]->element->tagName == 'img');
  85      }
  86  
  87      /**
  88       * Test for present image alt text.
  89       */
  90      public function test_check_pass() {
  91          $results = $this->get_checker_results($this->htmlpass);
  92          $this->assertTrue(count($results) == 0);
  93      }
  94  }