ilTermsOfServiceDocumentHtmlPurifierTest.php

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<?php declare(strict_types=1);
/* Copyright (c) 1998-2018 ILIAS open source, Extended GPL, see docs/LICENSE */

use org\bovigo\vfs;

class ilTermsOfServiceDocumentHtmlPurifierTest extends ilTermsOfServiceCriterionBaseTest
{
    private function isVsfStreamInstalled() : bool
    {
        return class_exists('org\bovigo\vfs\vfsStreamWrapper');
    }

    private function skipIfvfsStreamNotSupported() : void
    {
        if (!$this->isVsfStreamInstalled()) {
            $this->markTestSkipped('Skipped test, vfsStream (http://vfs.bovigo.org) required');
        }
    }

    public function documentTextProvider() : array
    {
        return [
            'Simple HTML Elements' => [
                '<h1><b>This</b> <i>is</i> <u>a</u> <em>Headline</em>!</h1><p>And a<br>paragraph.</p>',
                '<h1><b>This</b> <i>is</i> <span style="text-decoration:underline;">a</span> <em>Headline</em>!</h1><p>And a<br />paragraph.</p>',
            ],
            'Simple HTML Elements with an Invalid Tag' => [
                '<h1>This is a <a href="mailto:info@ilias.de">Headline</a>!</h1><p>And a paragraph with an invalid element: ILIAS e.V. <info@ilias.de>.</p>',
                '<h1>This is a <a href="mailto:info@ilias.de">Headline</a>!</h1><p>And a paragraph with an invalid element: ILIAS e.V. .</p>',
            ],
            'Block Elements and Nested Lists' => [
                '<div><ul><li>Php</li></ul><hr><ol><li>Unit</li></ol><dl><dt>Test</dt><dd><code>Success or Failure!</code></dd></dl></div>',
                '<div><ul><li>Php</li></ul><hr /><ol><li>Unit</li></ol><dl><dt>Test</dt><dd><code>Success or Failure!</code></dd></dl></div>',
            ],
            'Blockquote' => [
                '<pre>Text</pre><blockquote><cite><sup>Q</sup>uote</cite></blockquote>',
                '<pre>Text</pre><blockquote><p><cite><sup>Q</sup>uote</cite></p></blockquote>',
            ]
        ];
    }

    public function testPurifyingWorksAsExpected(string $text, string $expected) : void
    {
        $this->skipIfvfsStreamNotSupported();

        vfs\vfsStreamWrapper::register();
        $root = vfs\vfsStreamWrapper::setRoot(new vfs\vfsStreamDirectory('root'));
        $cacheDirectory = vfs\vfsStream::newDirectory('HTMLPurifier')->at($root);
        $cacheDirectory->chmod(0777);

        $purifier = new ilTermsOfServiceDocumentHtmlPurifier(
            [
                "a",
                "blockquote",
                "br",
                "cite",
                "code",
                "dd",
                "div",
                "dl",
                "dt",
                "em",
                "h1",
                "h2",
                "h3",
                "h4",
                "h5",
                "h6",
                "hr",
                "img",
                "li",
                "ol",
                "p",
                "pre",
                "span",
                "strong",
                "sub",
                "sup",
                "u",
                "ul"
            ],
            vfs\vfsStream::url('root/HTMLPurifier')
        );
        $this->assertEquals($expected, $purifier->purify($text));
    }
}