StripTagsViewHelperTest.php

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<?php
namespace ‪TYPO3\CMS\Fluid\Tests\Unit\ViewHelpers\Format;
 
/*
 * This file is part of the TYPO3 CMS project.
 *
 * It is free software; you can redistribute it and/or modify it under
 * the terms of the GNU General Public License, either version 2
 * of the License, or any later version.
 *
 * For the full copyright and license information, please read the
 * LICENSE.txt file that was distributed with this source code.
 *
 * The TYPO3 project - inspiring people to share!
 */
 
use ‪TYPO3\CMS\Fluid\ViewHelpers\Format\StripTagsViewHelper;
use TYPO3\TestingFramework\Fluid\Unit\ViewHelpers\ViewHelperBaseTestcase;
 
class ‪StripTagsViewHelperTest extends ViewHelperBaseTestcase
{
    protected ‪$viewHelper;
 
    protected function ‪setUp()
    {
        parent::setUp();
        $this->viewHelper = new ‪StripTagsViewHelper();
        $this->injectDependenciesIntoViewHelper($this->viewHelper);
    }
 
    public function ‪renderUsesValueAsSourceIfSpecified()
    {
        $this->setArgumentsUnderTest(
            $this->viewHelper,
            [
                'value' => 'Some string',
            ]
        );
        $actualResult = $this->viewHelper->initializeArgumentsAndRender();
        $this->assertEquals('Some string', $actualResult);
    }
 
    public function ‪renderUsesChildnodesAsSourceIfSpecified()
    {
        $this->setArgumentsUnderTest(
            $this->viewHelper,
            [
                'value' => 'Some string',
            ]
        );
        $actualResult = $this->viewHelper->initializeArgumentsAndRender();
        $this->assertEquals('Some string', $actualResult);
    }
 
    public function ‪stringsTestDataProvider()
    {
        return [
            ['This is a sample text without special characters.', '', 'This is a sample text without special characters.'],
            ['This is a sample text <b>with <i>some</i> tags</b>.', '', 'This is a sample text with some tags.'],
            ['This text contains some &quot;&Uuml;mlaut&quot;.', '', 'This text contains some &quot;&Uuml;mlaut&quot;.'],
            ['This text <i>contains</i> some <strong>allowed</strong> tags.', '<strong>', 'This text contains some <strong>allowed</strong> tags.'],
        ];
    }
 
    public function ‪renderCorrectlyConvertsIntoPlaintext($source, $allowed, $expectedResult)
    {
        $this->setArgumentsUnderTest(
            $this->viewHelper,
            [
                'value' => $source,
                'allowedTags' => $allowed
            ]
        );
        $actualResult = $this->viewHelper->initializeArgumentsAndRender();
        $this->assertSame($expectedResult, $actualResult);
    }
 
    public function ‪renderEscapesObjectIfPossible($source, $expectation)
    {
        $this->setArgumentsUnderTest(
            $this->viewHelper,
            [
                'value' => $source
            ]
        );
        $actualResult = $this->viewHelper->render();
        $this->assertSame($expectation, $actualResult);
    }
 
    public function ‪renderEscapesObjectIfPossibleDataProvider(): array
    {
        $stdClass = new \stdClass();
        $toStringClass = new class() {
            public function __toString(): string
            {
                return '<script>alert(\'"xss"\')</script>';
            }
        };
 
        return [
            'plain object' => [$stdClass, $stdClass],
            'object with __toString()' => [$toStringClass, 'alert(\'"xss"\')'],
        ];
    }
}