FileExtensionFilterTest.php

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<?php
 
/*
 * 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!
 */
 
namespace ‪TYPO3\CMS\Core\Tests\Unit\Resource\Utility;
 
use ‪TYPO3\CMS\Core\DataHandling\DataHandler;
use ‪TYPO3\CMS\Core\Resource\Filter\FileExtensionFilter;
use ‪TYPO3\CMS\Core\Resource\ResourceFactory;
use ‪TYPO3\CMS\Core\Utility\GeneralUtility;
use TYPO3\TestingFramework\Core\Unit\UnitTestCase;
 
class ‪FileExtensionFilterTest extends UnitTestCase
{
    protected function ‪tearDown(): void
    {
        GeneralUtility::purgeInstances();
        parent::tearDown();
    }
 
    public function ‪invalidInlineChildrenFilterParametersDataProvider()
    {
        return [
            [null, null, null],
            ['', '', [0, '', null, false]],
            [null, null, [0, '', null, false]]
        ];
    }
 
    public function ‪areInlineChildrenFilteredWithInvalidParameters($allowed, $disallowed, $values)
    {
        $parameters = [
            'allowedFileExtensions' => $allowed,
            'disallowedFileExtensions' => $disallowed,
            'values' => $values
        ];
        $dataHandlerProphecy = $this->prophesize(DataHandler::class);
        $dataHandlerProphecy->deleteAction()->shouldNotBeCalled();
        $resourceFactoryProphecy = $this->prophesize(ResourceFactory::class);
        $resourceFactoryProphecy->getFileReferenceObject()->shouldNotBeCalled();
        GeneralUtility::setSingletonInstance(ResourceFactory::class, $resourceFactoryProphecy->reveal());
        (new ‪FileExtensionFilter())->filterInlineChildren($parameters, $dataHandlerProphecy->reveal());
    }
 
    public function ‪extensionFilterIgnoresCaseInAllowedExtensionCheckDataProvider()
    {
        return [
            'Allowed extensions' => [
                'ext1', 'EXT1', '', true
            ],
            'Allowed extensions, lower and upper case mix' => [
                'ext1', 'ext2, ExT1, Ext3', '', true
            ],
            'Disallowed extensions' => [
                'ext1', '', 'EXT1', false
            ],
            'Disallowed extensions, lower and upper case mix' => [
                'ext1', '', 'ext2, ExT1, Ext3', false
            ],
            'Combine allowed / disallowed extensions' => [
                'ext1', 'EXT1', 'EXT1', false
            ],
        ];
    }
 
    public function ‪extensionFilterIgnoresCaseInAllowedExtensionCheck($fileExtension, $allowedExtensions, $disallowedExtensions, $isAllowed)
    {
        $filter = $this->getAccessibleMock(FileExtensionFilter::class, ['dummy']);
        $filter->setAllowedFileExtensions($allowedExtensions);
        $filter->setDisallowedFileExtensions($disallowedExtensions);
        $result = $filter->_call('isAllowed', $fileExtension);
        self::assertEquals($isAllowed, $result);
    }
}