FileExtensionFilterTest.php

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<?php
namespace TYPO3\CMS\Core\Tests\Unit\Resource\Utility;

class FileExtensionFilterTest extends \TYPO3\CMS\Core\Tests\UnitTestCase {

    protected $singletonInstances = array();

    protected $filter;

    protected $parameters;

    protected $tceMainMock;

    protected $fileFactoryMock;

    protected function setUp() {
        $this->singletonInstances = \TYPO3\CMS\Core\Utility\GeneralUtility::getSingletonInstances();
        $this->filter = new \TYPO3\CMS\Core\Resource\Filter\FileExtensionFilter();
        $this->tceMainMock = $this->getMock('TYPO3\\CMS\\Core\\DataHandling\\DataHandler', array('deleteAction'), array());
        $this->fileFactoryMock = $this->getMock('TYPO3\\CMS\\Core\\Resource\\ResourceFactory', array('getFileReferenceObject'), array());
        \TYPO3\CMS\Core\Utility\GeneralUtility::setSingletonInstance('TYPO3\\CMS\\Core\\Resource\\ResourceFactory', $this->fileFactoryMock);
    }

    protected function tearDown() {
        \TYPO3\CMS\Core\Utility\GeneralUtility::resetSingletonInstances($this->singletonInstances);
        parent::tearDown();
    }

    public function invalidInlineChildrenFilterParametersDataProvider() {
        return array(
            array(NULL, NULL, NULL),
            array('', '', array(0, '', NULL, FALSE)),
            array(NULL, NULL, array(0, '', NULL, FALSE))
        );
    }

    public function areInlineChildrenFilteredWithInvalidParameters($allowed, $disallowed, $values) {
        $this->parameters = array(
            'allowedFileExtensions' => $allowed,
            'disallowedFileExtensions' => $disallowed,
            'values' => $values
        );
        $this->tceMainMock->expects($this->never())->method('deleteAction');
        $this->fileFactoryMock->expects($this->never())->method('getFileReferenceObject');
        $this->filter->filterInlineChildren($this->parameters, $this->tceMainMock);
    }

    public function extensionFilterIgnoresCaseInAllowedExtensionCheckDataProvider() {
        return array(
            'Allowed extensions' => array(
                'ext1', 'EXT1', '', TRUE
            ),
            'Allowed extensions, lower and upper case mix' => array(
                'ext1', 'ext2, ExT1, Ext3', '', TRUE
            ),
            'Disallowed extensions' => array(
                'ext1', '', 'EXT1', FALSE
            ),
            'Disallowed extensions, lower and upper case mix' => array(
                'ext1', '', 'ext2, ExT1, Ext3', FALSE
            ),
            'Combine allowed / disallowed extensions' => array(
                'ext1', 'EXT1', 'EXT1', FALSE
            ),
        );
    }

    public function extensionFilterIgnoresCaseInAllowedExtensionCheck($fileExtension, $allowedExtensions, $disallowedExtensions, $isAllowed) {
        $filter = $this->getAccessibleMock('\TYPO3\CMS\Core\Resource\Filter\FileExtensionFilter', array('dummy'));
        $filter->setAllowedFileExtensions($allowedExtensions);
        $filter->setDisallowedFileExtensions($disallowedExtensions);
        $result = $filter->_call('isAllowed', 'file.' . $fileExtension);
        $this->assertEquals($isAllowed, $result);
    }
}