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1 efrain 1 
<?php
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// This file is part of Moodle - http://moodle.org/
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//
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// Moodle is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Moodle is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
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/**
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 * tool_brickfield check test.
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 *
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 * @package    tool_brickfield
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 * @copyright  2020 onward: Brickfield Education Labs, https://www.brickfield.ie
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 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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 */
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namespace tool_brickfield\local\htmlchecker\common\checks;
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defined('MOODLE_INTERNAL') || die();
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require_once('all_checks.php');
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/**
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 * Class table_th_should_have_scope_test
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 */
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class table_th_should_have_scope_test extends all_checks {
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    /** @var string Check type */
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    public $checktype = 'table_th_should_have_scope';
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    /** @var string Html fail 1 */
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    private $htmlfail1 = <<<EOD
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
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<html>
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    <head>
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        <title>Scope exists whilst specifying "col" - fail</title>
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    </head>
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    <body>
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        <table>
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            <thead>
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                <tr>
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                    <th></th>
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                    <th scope="col">1</th>
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                    <th></th>
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                </tr>
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            </thead>
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            <tbody>
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                <tr>
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                    <td>2</td>
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                    <td>3</td>
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                </tr>
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                <tr>
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                    <td>4</td>
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                    <td>5</td>
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                </tr>
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            </tbody>
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        </table>
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    </body>
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</html>
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EOD;
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    /** @var string Html fail 2 */
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    private $htmlfail2 = <<<EOD
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
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<html>
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    <head>
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        <title>Scope exists whilst specifying "row" - fail</title>
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    </head>
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    <body>
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        <table>
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            <thead>
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                <tr>
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                    <th scope="col">1</th>
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                    <th scope="col">2</th>
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                    <th scope="col">3</th>
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                </tr>
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            </thead>
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            <tbody>
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                <tr>
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                    <td>2</td>
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                    <td>3</td>
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                    <th>4</th>
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                </tr>
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                <tr>
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                    <td>4</td>
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                    <td>5</td>
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                </tr>
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            </tbody>
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        </table>
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    </body>
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</html>
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EOD;
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    /** @var string Html pass 1 */
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    private $htmlpass1 = <<<EOD
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
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<html>
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    <head>
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        <title>Scope exists whilst specifying something that isn't "col" or "row" - pass</title>
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    </head>
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    <body>
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        <table>
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            <thead>
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                <tr>
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                    <th scope="col">1</th>
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                    <th scope="col">2</th>
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                    <th scope="col">3</th>
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                </tr>
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            </thead>
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            <tbody>
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                <tr>
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                    <td>2</td>
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                    <td>3</td>
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                </tr>
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                <tr>
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                    <td>4</td>
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                    <td>5</td>
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                </tr>
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            </tbody>
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        </table>
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    </body>
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</html>
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EOD;
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    /** @var string Html pass 2 */
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    private $htmlpass2 = <<<EOD
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
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<html>
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    <head>
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        <title>Scope is not specified - pass</title>
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    </head>
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    <body>
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        <table>
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            <thead>
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                <tr>
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                    <th scope="col">1</th>
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                    <th scope="col">2</th>
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                    <th scope="col">3</th>
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                </tr>
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            </thead>
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            <tbody>
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                <tr>
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                    <td>2</td>
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                    <td>3</td>
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                    <th scope="row">4</th>
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                </tr>
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                <tr>
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                    <td>4</td>
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                    <td>5</td>
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                </tr>
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            </tbody>
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        </table>
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    </body>
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</html>
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EOD;
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    /**
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     * Test that th has scope that is equal to col or row
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     */
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    public function test_check_fail(): void {
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        $results = $this->get_checker_results($this->htmlfail1);
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        $this->assertEquals(2, count($results));
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        $this->assertTrue($results[0]->element->tagName == 'th');
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        $this->assertTrue($results[1]->element->tagName == 'th');
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        $results = $this->get_checker_results($this->htmlfail2);
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        $this->assertEquals(1, count($results));
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        $this->assertTrue($results[0]->element->tagName == 'th');
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    }
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    /**
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     * Test that th has scope but != col || row. Test that th has no scope
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     */
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    public function test_check_pass(): void {
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        $results = $this->get_checker_results($this->htmlpass1);
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        $this->assertEmpty($results);
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        $results = $this->get_checker_results($this->htmlpass2);
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        $this->assertEmpty($results);
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    }
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}