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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.
   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   * Tex filter library functions tests
  19   *
  20   * @package   filter_tex
  21   * @category  test
  22   * @copyright 2021 Shamim Rezaie <shamim@moodle.com>
  23   * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  24   */
  25  
  26  declare(strict_types=1);
  27  
  28  namespace filter_tex;
  29  
  30  use advanced_testcase;
  31  
  32  global $CFG;
  33  require_once($CFG->dirroot . '/filter/tex/lib.php');
  34  
  35  /**
  36   * Tex filter library functions tests
  37   *
  38   * @copyright 2021 Shamim Rezaie <shamim@moodle.com>
  39   * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  40   */
  41  class lib_test extends advanced_testcase {
  42      /**
  43       * Data provider for test_filter_tex_sanitize_formula.
  44       *
  45       * @return array
  46       */
  47      public function filter_tex_sanitize_formula_provider() : array {
  48          return [
  49              ['x\ =\ \frac{\sqrt{144}}{2}\ \times\ (y\ +\ 12)', 'x\ =\ \frac{\sqrt{144}}{2}\ \times\ (y\ +\ 12)'],
  50              ['\usepackage[latin1]{inputenc}', '\usepackage[latin1]{inputenc}'],
  51              ['\newcommand{\A}{\verbatiminput}', '\newforbiddenkeyword_command{\A}{\verbatimforbiddenkeyword_input}'],
  52          ];
  53      }
  54  
  55      /**
  56       * Tests for filter_tex_sanitize_formula() function.
  57       *
  58       * @dataProvider filter_tex_sanitize_formula_provider
  59       * @param $formula The formula to test
  60       * @param $expected The sanitized version of the formula we expect to get
  61       */
  62      public function test_filter_tex_sanitize_formula(string $formula, string $expected) {
  63          $this->assertEquals($expected, filter_tex_sanitize_formula($formula));
  64      }
  65  }