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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.
<?php
// This file is part of Moodle - http://moodle.org/
//
// Moodle is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.

/**
 * Unit test for the filter_tex
 *
 * @package    filter_tex
 * @copyright  2014 Damyon Wiese
 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */

> namespace filter_tex; defined('MOODLE_INTERNAL') || die(); > > use filter_tex; global $CFG; >
require_once($CFG->dirroot . '/filter/tex/filter.php'); /** * Unit tests for filter_tex. * * Test the delimiter parsing used by the tex filter. * * @copyright 2014 Damyon Wiese * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later */
< class filter_tex_testcase extends advanced_testcase {
> class filter_test extends \advanced_testcase {
protected $filter; protected function setUp(): void { parent::setUp(); $this->resetAfterTest(true);
< $this->filter = new filter_tex(context_system::instance(), array());
> $this->filter = new filter_tex(\context_system::instance(), array());
} function run_with_delimiters($start, $end, $filtershouldrun) { $pre = 'Some pre text'; $post = 'Some post text'; $equation = ' \sum{a^b} '; $before = $pre . $start . $equation . $end . $post; $after = trim($this->filter->filter($before)); if ($filtershouldrun) { $this->assertNotEquals($after, $before); } else { $this->assertEquals($after, $before); } } function test_delimiters() { // First test the list of supported delimiters. $this->run_with_delimiters('$$', '$$', true); $this->run_with_delimiters('\\(', '\\)', true); $this->run_with_delimiters('\\[', '\\]', true); $this->run_with_delimiters('[tex]', '[/tex]', true); $this->run_with_delimiters('<tex>', '</tex>', true); $this->run_with_delimiters('<tex alt="nonsense">', '</tex>', true); // Now test some cases that shouldn't be executed. $this->run_with_delimiters('<textarea>', '</textarea>', false); $this->run_with_delimiters('$', '$', false); $this->run_with_delimiters('(', ')', false); $this->run_with_delimiters('[', ']', false); $this->run_with_delimiters('$$', '\\]', false); } }