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Differences Between: [Versions 310 and 311] [Versions 310 and 400] [Versions 310 and 401] [Versions 310 and 402] [Versions 310 and 403] [Versions 39 and 310]

   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   * Unit test for the filter_tex
  19   *
  20   * @package    filter_tex
  21   * @copyright  2014 Damyon Wiese
  22   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  23   */
  24  
  25  defined('MOODLE_INTERNAL') || die();
  26  
  27  global $CFG;
  28  require_once($CFG->dirroot . '/filter/tex/filter.php');
  29  
  30  
  31  /**
  32   * Unit tests for filter_tex.
  33   *
  34   * Test the delimiter parsing used by the tex filter.
  35   *
  36   * @copyright  2014 Damyon Wiese
  37   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  38   */
  39  class filter_tex_testcase extends advanced_testcase {
  40  
  41      protected $filter;
  42  
  43      protected function setUp(): void {
  44          parent::setUp();
  45          $this->resetAfterTest(true);
  46          $this->filter = new filter_tex(context_system::instance(), array());
  47      }
  48  
  49      function run_with_delimiters($start, $end, $filtershouldrun) {
  50          $pre = 'Some pre text';
  51          $post = 'Some post text';
  52          $equation = ' \sum{a^b} ';
  53  
  54          $before = $pre . $start . $equation . $end . $post;
  55  
  56          $after = trim($this->filter->filter($before));
  57  
  58          if ($filtershouldrun) {
  59              $this->assertNotEquals($after, $before);
  60          } else {
  61              $this->assertEquals($after, $before);
  62          }
  63      }
  64  
  65      function test_delimiters() {
  66          // First test the list of supported delimiters.
  67          $this->run_with_delimiters('$$', '$$', true);
  68          $this->run_with_delimiters('\\(', '\\)', true);
  69          $this->run_with_delimiters('\\[', '\\]', true);
  70          $this->run_with_delimiters('[tex]', '[/tex]', true);
  71          $this->run_with_delimiters('<tex>', '</tex>', true);
  72          $this->run_with_delimiters('<tex alt="nonsense">', '</tex>', true);
  73          // Now test some cases that shouldn't be executed.
  74          $this->run_with_delimiters('<textarea>', '</textarea>', false);
  75          $this->run_with_delimiters('$', '$', false);
  76          $this->run_with_delimiters('(', ')', false);
  77          $this->run_with_delimiters('[', ']', false);
  78          $this->run_with_delimiters('$$', '\\]', false);
  79      }
  80  
  81  }