xref: /webtrees/tests/views/AbstractViewTest.php (revision c9c6f2ec6e88594e58f14a6418e0de5aaa1484bd) 
1<?php
2
3/**
4 * webtrees: online genealogy
5 * Copyright (C) 2021 webtrees development team
6 * This program is free software: you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation, either version 3 of the License, or
9 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program. If not, see <https://www.gnu.org/licenses/>.
16 */
17
18declare(strict_types=1);
19
20namespace Fisharebest\Webtrees;
21
22use DOMDocument;
23use Exception;
24
25use function str_starts_with;
26
27use const LIBXML_PEDANTIC;
28
29/**
30 * Common functions for testing views
31 */
32abstract class AbstractViewTest extends TestCase
33{
34    protected const EVIL_VALUE = '<script>evil()</script>';
35
36    /**
37     * Check the view runs without error and generates valid HTML
38     *
39     * @param string $view
40     * @param array<array<string,array<string,mixed>>  $data
41     */
42    protected function doTestView(string $view, array $data): void
43    {
44        foreach ($this->cartesian($data) as $datum) {
45            $html = view($view, $datum);
46
47            $this->validateHTML($html);
48        }
49    }
50
51    /**
52     * @param array<string,array<string,mixed>> $input
53     *
54     * @return array<array<string,array<string,mixed>>
55     */
56    private function cartesian(array $input): array
57    {
58        $result = [[]];
59
60        foreach ($input as $key => $values) {
61            $append = [];
62
63            foreach ($result as $product) {
64                foreach ($values as $item) {
65                    $product[$key] = $item;
66                    $append[]      = $product;
67                }
68            }
69
70            $result = $append;
71        }
72
73        return $result;
74    }
75
76    /**
77     * @param string $html
78     */
79    private function validateHTML(string $html): void
80    {
81        if (str_starts_with($html, '<!DOCTYPE html>')) {
82            $xml = $html;
83        } else {
84            $xml = '<!DOCTYPE html><html lang="en"><body>' . $html . '</body></html>';
85        }
86
87        $doc = new DOMDocument();
88        $doc->validateOnParse = true;
89
90        try {
91            self::assertTrue($doc->loadXML($xml, LIBXML_PEDANTIC), $html);
92        } catch (Exception $ex) {
93            echo $html, PHP_EOL;
94            self::assertTrue(false);
95        }
96    }
97}
98