DirectoryNodeTest.php

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<?php
namespace TYPO3\CMS\Install\Tests\Unit\FolderStructure;

/*
 * 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!
 */

class DirectoryNodeTest extends \TYPO3\CMS\Install\Tests\Unit\FolderStructureTestCase
{
    public function constructorThrowsExceptionIfParentIsNull()
    {
        $node = $this->getAccessibleMock(\TYPO3\CMS\Install\FolderStructure\DirectoryNode::class, array('dummy'), array(), '', false);
        $node->__construct(array(), null);
    }

    public function constructorThrowsExceptionIfNameContainsForwardSlash()
    {
        $parent = $this->getMock(\TYPO3\CMS\Install\FolderStructure\NodeInterface::class, array(), array(), '', false);
        $node = $this->getAccessibleMock(\TYPO3\CMS\Install\FolderStructure\DirectoryNode::class, array('dummy'), array(), '', false);
        $structure = array(
            'name' => 'foo/bar',
        );
        $node->__construct($structure, $parent);
    }

    public function constructorCallsCreateChildrenIfChildrenAreSet()
    {
        $parent = $this->getMock(\TYPO3\CMS\Install\FolderStructure\NodeInterface::class, array(), array(), '', false);
        $node = $this->getAccessibleMock(
            \TYPO3\CMS\Install\FolderStructure\DirectoryNode::class,
            array('createChildren'),
            array(),
            '',
            false
        );
        $childArray = array(
            'foo',
        );
        $structure = array(
            'name' => 'foo',
            'children' => $childArray,
        );
        $node->expects($this->once())->method('createChildren')->with($childArray);
        $node->__construct($structure, $parent);
    }

    public function constructorSetsParent()
    {
        $parent = $this->getMock(\TYPO3\CMS\Install\FolderStructure\NodeInterface::class, array(), array(), '', false);
        $node = $this->getAccessibleMock(\TYPO3\CMS\Install\FolderStructure\DirectoryNode::class, array('dummy'), array(), '', false);
        $structure = array(
            'name' => 'foo',
        );
        $node->__construct($structure, $parent);
        $this->assertSame($parent, $node->_call('getParent'));
    }

    public function constructorSetsTargetPermission()
    {
        $parent = $this->getMock(\TYPO3\CMS\Install\FolderStructure\NodeInterface::class, array(), array(), '', false);
        $node = $this->getAccessibleMock(\TYPO3\CMS\Install\FolderStructure\DirectoryNode::class, array('dummy'), array(), '', false);
        $targetPermission = '2550';
        $structure = array(
            'name' => 'foo',
            'targetPermission' => $targetPermission,
        );
        $node->__construct($structure, $parent);
        $this->assertSame($targetPermission, $node->_call('getTargetPermission'));
    }

    public function constructorSetsName()
    {
        $node = $this->getAccessibleMock(\TYPO3\CMS\Install\FolderStructure\DirectoryNode::class, array('dummy'), array(), '', false);
        $parent = $this->getMock(\TYPO3\CMS\Install\FolderStructure\RootNodeInterface::class, array(), array(), '', false);
        $name = $this->getUniqueId('test_');
        $node->__construct(array('name' => $name), $parent);
        $this->assertSame($name, $node->getName());
    }

    public function getStatusReturnsArray()
    {
        $node = $this->getAccessibleMock(
            \TYPO3\CMS\Install\FolderStructure\DirectoryNode::class,
            array('getAbsolutePath', 'getRelativePathBelowSiteRoot', 'exists', 'isDirectory', 'isWritable', 'isPermissionCorrect'),
            array(),
            '',
            false
        );
        $path = $this->getVirtualTestDir('dir_');
        $node->expects($this->any())->method('getAbsolutePath')->will($this->returnValue($path));
        $node->expects($this->any())->method('getRelativePathBelowSiteRoot')->will($this->returnValue($path));
        $node->expects($this->any())->method('exists')->will($this->returnValue(true));
        $node->expects($this->any())->method('isDirectory')->will($this->returnValue(true));
        $node->expects($this->any())->method('isPermissionCorrect')->will($this->returnValue(true));
        $node->expects($this->any())->method('isWritable')->will($this->returnValue(true));
        $this->assertInternalType('array', $node->getStatus());
    }

    public function getStatusReturnsArrayWithWarningStatusIfDirectoryNotExists()
    {
        $node = $this->getAccessibleMock(
            \TYPO3\CMS\Install\FolderStructure\DirectoryNode::class,
            array('getAbsolutePath', 'getRelativePathBelowSiteRoot', 'exists', 'isDirectory', 'isWritable', 'isPermissionCorrect'),
            array(),
            '',
            false
        );
        $path = $this->getVirtualTestDir('dir_');
        $node->expects($this->any())->method('getAbsolutePath')->will($this->returnValue($path));
        $node->expects($this->any())->method('getRelativePathBelowSiteRoot')->will($this->returnValue($path));
        $node->expects($this->any())->method('exists')->will($this->returnValue(false));
        $node->expects($this->any())->method('isDirectory')->will($this->returnValue(false));
        $node->expects($this->any())->method('isPermissionCorrect')->will($this->returnValue(false));
        $node->expects($this->any())->method('isWritable')->will($this->returnValue(false));
        $statusArray = $node->getStatus();
        $status = $statusArray[0];
        $this->assertInstanceOf(\TYPO3\CMS\Install\Status\WarningStatus::class, $status);
    }

    public function getStatusReturnsArrayWithErrorStatusIfNodeIsNotADirectory()
    {
        $node = $this->getAccessibleMock(
            \TYPO3\CMS\Install\FolderStructure\DirectoryNode::class,
            array('getAbsolutePath', 'getRelativePathBelowSiteRoot', 'exists', 'isDirectory', 'isWritable', 'isPermissionCorrect'),
            array(),
            '',
            false
        );
        $path = $this->getVirtualTestFilePath('dir_');
        touch($path);
        $node->expects($this->any())->method('getAbsolutePath')->will($this->returnValue($path));
        $node->expects($this->any())->method('getRelativePathBelowSiteRoot')->will($this->returnValue($path));
        $node->expects($this->any())->method('exists')->will($this->returnValue(true));
        $node->expects($this->any())->method('isDirectory')->will($this->returnValue(false));
        $node->expects($this->any())->method('isPermissionCorrect')->will($this->returnValue(true));
        $node->expects($this->any())->method('isWritable')->will($this->returnValue(true));
        $statusArray = $node->getStatus();
        $status = $statusArray[0];
        $this->assertInstanceOf(\TYPO3\CMS\Install\Status\ErrorStatus::class, $status);
    }

    public function getStatusReturnsArrayWithErrorStatusIfDirectoryExistsButIsNotWritable()
    {
        $node = $this->getAccessibleMock(
            \TYPO3\CMS\Install\FolderStructure\DirectoryNode::class,
            array('getAbsolutePath', 'getRelativePathBelowSiteRoot', 'exists', 'isDirectory', 'isWritable', 'isPermissionCorrect'),
            array(),
            '',
            false
        );
        $path = $this->getVirtualTestFilePath('dir_');
        touch($path);
        $node->expects($this->any())->method('getAbsolutePath')->will($this->returnValue($path));
        $node->expects($this->any())->method('getRelativePathBelowSiteRoot')->will($this->returnValue($path));
        $node->expects($this->any())->method('exists')->will($this->returnValue(true));
        $node->expects($this->any())->method('isDirectory')->will($this->returnValue(true));
        $node->expects($this->any())->method('isPermissionCorrect')->will($this->returnValue(true));
        $node->expects($this->any())->method('isWritable')->will($this->returnValue(false));
        $statusArray = $node->getStatus();
        $status = $statusArray[0];
        $this->assertInstanceOf(\TYPO3\CMS\Install\Status\ErrorStatus::class, $status);
    }

    public function getStatusReturnsArrayWithNoticeStatusIfDirectoryExistsButPermissionAreNotCorrect()
    {
        $node = $this->getAccessibleMock(
            \TYPO3\CMS\Install\FolderStructure\DirectoryNode::class,
            array('getAbsolutePath', 'getRelativePathBelowSiteRoot', 'exists', 'isDirectory', 'isWritable', 'isPermissionCorrect'),
            array(),
            '',
            false
        );
        $path = $this->getVirtualTestFilePath('dir_');
        touch($path);
        $node->expects($this->any())->method('getAbsolutePath')->will($this->returnValue($path));
        $node->expects($this->any())->method('getRelativePathBelowSiteRoot')->will($this->returnValue($path));
        $node->expects($this->any())->method('exists')->will($this->returnValue(true));
        $node->expects($this->any())->method('isDirectory')->will($this->returnValue(true));
        $node->expects($this->any())->method('isPermissionCorrect')->will($this->returnValue(false));
        $node->expects($this->any())->method('isWritable')->will($this->returnValue(true));
        $statusArray = $node->getStatus();
        $status = $statusArray[0];
        $this->assertInstanceOf(\TYPO3\CMS\Install\Status\NoticeStatus::class, $status);
    }

    public function getStatusReturnsArrayWithOkStatusIfDirectoryExistsAndPermissionAreCorrect()
    {
        $node = $this->getAccessibleMock(
            \TYPO3\CMS\Install\FolderStructure\DirectoryNode::class,
            array('getAbsolutePath', 'getRelativePathBelowSiteRoot', 'exists', 'isDirectory', 'isWritable', 'isPermissionCorrect'),
            array(),
            '',
            false
        );
        $path = $this->getVirtualTestFilePath('dir_');
        touch($path);
        $node->expects($this->any())->method('getAbsolutePath')->will($this->returnValue($path));
        $node->expects($this->any())->method('getRelativePathBelowSiteRoot')->will($this->returnValue($path));
        $node->expects($this->any())->method('exists')->will($this->returnValue(true));
        $node->expects($this->any())->method('isDirectory')->will($this->returnValue(true));
        $node->expects($this->any())->method('isPermissionCorrect')->will($this->returnValue(true));
        $node->expects($this->any())->method('isWritable')->will($this->returnValue(true));
        $statusArray = $node->getStatus();
        $status = $statusArray[0];
        $this->assertInstanceOf(\TYPO3\CMS\Install\Status\OkStatus::class, $status);
    }

    public function getStatusCallsGetStatusOnChildren()
    {
        $node = $this->getAccessibleMock(
            \TYPO3\CMS\Install\FolderStructure\DirectoryNode::class,
            array('exists', 'isDirectory', 'isPermissionCorrect', 'getRelativePathBelowSiteRoot', 'isWritable'),
            array(),
            '',
            false
        );
        $node->expects($this->any())->method('exists')->will($this->returnValue(true));
        $node->expects($this->any())->method('isDirectory')->will($this->returnValue(true));
        $node->expects($this->any())->method('isPermissionCorrect')->will($this->returnValue(true));
        $node->expects($this->any())->method('isWritable')->will($this->returnValue(true));
        $childMock1 = $this->getMock(\TYPO3\CMS\Install\FolderStructure\NodeInterface::class, array(), array(), '', false);
        $childMock1->expects($this->once())->method('getStatus')->will($this->returnValue(array()));
        $childMock2 = $this->getMock(\TYPO3\CMS\Install\FolderStructure\NodeInterface::class, array(), array(), '', false);
        $childMock2->expects($this->once())->method('getStatus')->will($this->returnValue(array()));
        $node->_set('children', array($childMock1, $childMock2));
        $node->getStatus();
    }

    public function getStatusReturnsArrayWithOwnStatusAndStatusOfChild()
    {
        $node = $this->getAccessibleMock(
            \TYPO3\CMS\Install\FolderStructure\DirectoryNode::class,
            array('exists', 'isDirectory', 'isPermissionCorrect', 'getRelativePathBelowSiteRoot', 'isWritable'),
            array(),
            '',
            false
        );
        $node->expects($this->any())->method('exists')->will($this->returnValue(true));
        $node->expects($this->any())->method('isDirectory')->will($this->returnValue(true));
        $node->expects($this->any())->method('isPermissionCorrect')->will($this->returnValue(true));
        $node->expects($this->any())->method('isWritable')->will($this->returnValue(true));
        $childMock = $this->getMock(\TYPO3\CMS\Install\FolderStructure\NodeInterface::class, array(), array(), '', false);
        $childStatusMock = $this->getMock(\TYPO3\CMS\Install\Status\ErrorStatus::class, array(), array(), '', false);
        $childMock->expects($this->once())->method('getStatus')->will($this->returnValue(array($childStatusMock)));
        $node->_set('children', array($childMock));
        $status = $node->getStatus();
        $statusOfDirectory = $status[0];
        $statusOfChild = $status[1];
        $this->assertInstanceOf(\TYPO3\CMS\Install\Status\OkStatus::class, $statusOfDirectory);
        $this->assertInstanceOf(\TYPO3\CMS\Install\Status\ErrorStatus::class, $statusOfChild);
    }

    public function fixCallsFixSelfAndReturnsItsResult()
    {
        $node = $this->getAccessibleMock(
            \TYPO3\CMS\Install\FolderStructure\DirectoryNode::class,
            array('fixSelf'),
            array(),
            '',
            false
        );
        $uniqueReturn = array($this->getUniqueId('foo_'));
        $node->expects($this->once())->method('fixSelf')->will($this->returnValue($uniqueReturn));
        $this->assertSame($uniqueReturn, $node->fix());
    }

    public function fixCallsFixOnChildrenAndReturnsMergedResult()
    {
        $node = $this->getAccessibleMock(\TYPO3\CMS\Install\FolderStructure\DirectoryNode::class, array('fixSelf'), array(), '', false);
        $uniqueReturnSelf = $this->getUniqueId('foo_');
        $node->expects($this->once())->method('fixSelf')->will($this->returnValue(array($uniqueReturnSelf)));

        $childMock1 = $this->getMock(\TYPO3\CMS\Install\FolderStructure\NodeInterface::class, array(), array(), '', false);
        $uniqueReturnChild1 = $this->getUniqueId('foo_');
        $childMock1->expects($this->once())->method('fix')->will($this->returnValue(array($uniqueReturnChild1)));

        $childMock2 = $this->getMock(\TYPO3\CMS\Install\FolderStructure\NodeInterface::class, array(), array(), '', false);
        $uniqueReturnChild2 = $this->getUniqueId('foo_');
        $childMock2->expects($this->once())->method('fix')->will($this->returnValue(array($uniqueReturnChild2)));

        $node->_set('children', array($childMock1, $childMock2));

        $this->assertSame(array($uniqueReturnSelf, $uniqueReturnChild1, $uniqueReturnChild2), $node->fix());
    }

    public function fixSelfCallsCreateDirectoryIfDirectoryDoesNotExistAndReturnsResult()
    {
        $node = $this->getAccessibleMock(
            \TYPO3\CMS\Install\FolderStructure\DirectoryNode::class,
            array('exists', 'createDirectory', 'isPermissionCorrect'),
            array(),
            '',
            false
        );
        $node->expects($this->once())->method('exists')->will($this->returnValue(false));
        $node->expects($this->any())->method('isPermissionCorrect')->will($this->returnValue(true));
        $uniqueReturn = $this->getUniqueId();
        $node->expects($this->once())->method('createDirectory')->will($this->returnValue($uniqueReturn));
        $this->assertSame(array($uniqueReturn), $node->_call('fixSelf'));
    }

    public function fixSelfReturnsErrorStatusIfNodeExistsButIsNotADirectoryAndReturnsResult()
    {
        $node = $this->getAccessibleMock(
            \TYPO3\CMS\Install\FolderStructure\DirectoryNode::class,
            array('exists', 'isWritable', 'getRelativePathBelowSiteRoot', 'isDirectory', 'getAbsolutePath'),
            array(),
            '',
            false
        );
        $node->expects($this->any())->method('exists')->will($this->returnValue(true));
        $node->expects($this->any())->method('isWritable')->will($this->returnValue(true));
        $node->expects($this->any())->method('isDirectory')->will($this->returnValue(false));
        $node->expects($this->any())->method('getRelativePathBelowSiteRoot')->will($this->returnValue(''));
        $node->expects($this->any())->method('getAbsolutePath')->will($this->returnValue(''));
        $result = $node->_call('fixSelf');
        $this->assertInstanceOf(\TYPO3\CMS\Install\Status\ErrorStatus::class, $result[0]);
    }

    public function fixSelfCallsFixPermissionIfDirectoryExistsButIsNotWritable()
    {
        $node = $this->getAccessibleMock(
            \TYPO3\CMS\Install\FolderStructure\DirectoryNode::class,
            array('exists', 'isWritable', 'fixPermission'),
            array(),
            '',
            false
        );
        $node->expects($this->any())->method('exists')->will($this->returnValue(true));
        $node->expects($this->any())->method('isWritable')->will($this->returnValue(false));
        $node->expects($this->once())->method('fixPermission')->will($this->returnValue(true));
        $this->assertSame(array(true), $node->_call('fixSelf'));
    }

    public function createDirectoryThrowsExceptionIfNodeExists()
    {
        $node = $this->getAccessibleMock(\TYPO3\CMS\Install\FolderStructure\DirectoryNode::class, array('exists', 'getAbsolutePath'), array(), '', false);
        $node->expects($this->once())->method('getAbsolutePath')->will($this->returnValue(''));
        $node->expects($this->once())->method('exists')->will($this->returnValue(true));
        $node->_call('createDirectory');
    }

    public function createDirectoryCreatesDirectory()
    {
        $node = $this->getAccessibleMock(\TYPO3\CMS\Install\FolderStructure\DirectoryNode::class, array('exists', 'getAbsolutePath', 'getRelativePathBelowSiteRoot'), array(), '', false);
        $path = $this->getVirtualTestFilePath('dir_');
        $node->expects($this->once())->method('exists')->will($this->returnValue(false));
        $node->expects($this->any())->method('getAbsolutePath')->will($this->returnValue($path));
        $node->expects($this->any())->method('getRelativePathBelowSiteRoot')->will($this->returnValue($path));
        $node->_call('createDirectory');
        $this->assertTrue(is_dir($path));
    }

    public function createDirectoryReturnsOkStatusIfDirectoryWasCreated()
    {
        $node = $this->getAccessibleMock(\TYPO3\CMS\Install\FolderStructure\DirectoryNode::class, array('exists', 'getAbsolutePath', 'getRelativePathBelowSiteRoot'), array(), '', false);
        $path = $this->getVirtualTestFilePath('dir_');
        $node->expects($this->once())->method('exists')->will($this->returnValue(false));
        $node->expects($this->any())->method('getAbsolutePath')->will($this->returnValue($path));
        $node->expects($this->any())->method('getRelativePathBelowSiteRoot')->will($this->returnValue($path));
        $this->assertInstanceOf(\TYPO3\CMS\Install\Status\StatusInterface::class, $node->_call('createDirectory'));
    }

    public function createDirectoryReturnsErrorStatusIfDirectoryWasNotCreated()
    {
        if (TYPO3_OS === 'WIN') {
            $this->markTestSkipped('Test not available on Windows OS.');
        }
        $node = $this->getAccessibleMock(\TYPO3\CMS\Install\FolderStructure\DirectoryNode::class, array('exists', 'getAbsolutePath', 'getRelativePathBelowSiteRoot'), array(), '', false);
        $path = $this->getVirtualTestDir('root_');
        chmod($path, 02550);
        $subPath = $path . '/' . $this->getUniqueId('dir_');
        $node->expects($this->once())->method('exists')->will($this->returnValue(false));
        $node->expects($this->any())->method('getAbsolutePath')->will($this->returnValue($subPath));
        $node->expects($this->any())->method('getRelativePathBelowSiteRoot')->will($this->returnValue($subPath));
        $this->assertInstanceOf(\TYPO3\CMS\Install\Status\StatusInterface::class, $node->_call('createDirectory'));
    }

    public function createChildrenThrowsExceptionIfAChildTypeIsNotSet()
    {
        $node = $this->getAccessibleMock(\TYPO3\CMS\Install\FolderStructure\DirectoryNode::class, array('dummy'), array(), '', false);
        $brokenStructure = array(
            array(
                'name' => 'foo',
            ),
        );
        $node->_call('createChildren', $brokenStructure);
    }

    public function createChildrenThrowsExceptionIfAChildNameIsNotSet()
    {
        $node = $this->getAccessibleMock(\TYPO3\CMS\Install\FolderStructure\DirectoryNode::class, array('dummy'), array(), '', false);
        $brokenStructure = array(
            array(
                'type' => 'foo',
            ),
        );
        $node->_call('createChildren', $brokenStructure);
    }

    public function createChildrenThrowsExceptionForMultipleChildrenWithSameName()
    {
        $node = $this->getAccessibleMock(\TYPO3\CMS\Install\FolderStructure\DirectoryNode::class, array('dummy'), array(), '', false);
        $brokenStructure = array(
            array(
                'type' => \TYPO3\CMS\Install\FolderStructure\DirectoryNode::class,
                'name' => 'foo',
            ),
            array(
                'type' => \TYPO3\CMS\Install\FolderStructure\DirectoryNode::class,
                'name' => 'foo',
            ),
        );
        $node->_call('createChildren', $brokenStructure);
    }

    public function getChildrenReturnsCreatedChild()
    {
        $node = $this->getAccessibleMock(\TYPO3\CMS\Install\FolderStructure\DirectoryNode::class, array('dummy'), array(), '', false);
        $parent = $this->getMock(\TYPO3\CMS\Install\FolderStructure\NodeInterface::class, array(), array(), '', false);
        $childName = $this->getUniqueId('test_');
        $structure = array(
            'name' => 'foo',
            'type' => \TYPO3\CMS\Install\FolderStructure\DirectoryNode::class,
            'children' => array(
                array(
                    'type' => \TYPO3\CMS\Install\FolderStructure\DirectoryNode::class,
                    'name' => $childName,
                ),
            ),
        );
        $node->__construct($structure, $parent);
        $children = $node->_call('getChildren');
        $child = $children[0];
        $this->assertInstanceOf(\TYPO3\CMS\Install\FolderStructure\DirectoryNode::class, $children[0]);
        $this->assertSame($childName, $child->getName());
    }

    public function isWritableReturnsFalseIfNodeDoesNotExist()
    {
        $node = $this->getAccessibleMock(\TYPO3\CMS\Install\FolderStructure\DirectoryNode::class, array('getAbsolutePath'), array(), '', false);
        $path = $this->getVirtualTestFilePath('dir_');
        $node->expects($this->any())->method('getAbsolutePath')->will($this->returnValue($path));
        $this->assertFalse($node->isWritable());
    }

    public function isWritableReturnsTrueIfNodeExistsAndFileCanBeCreated()
    {
        $node = $this->getAccessibleMock(\TYPO3\CMS\Install\FolderStructure\DirectoryNode::class, array('getAbsolutePath'), array(), '', false);
        $path = $this->getVirtualTestDir('root_');
        $node->expects($this->any())->method('getAbsolutePath')->will($this->returnValue($path));
        $this->assertTrue($node->isWritable());
    }

    public function isWritableReturnsFalseIfNodeExistsButFileCanNotBeCreated()
    {
        if (TYPO3_OS === 'WIN') {
            $this->markTestSkipped('Test not available on Windows OS.');
        }
        if (function_exists('posix_getegid') && posix_getegid() === 0) {
            $this->markTestSkipped('Test skipped if run on linux as root');
        }
        $node = $this->getAccessibleMock(\TYPO3\CMS\Install\FolderStructure\DirectoryNode::class, array('getAbsolutePath'), array(), '', false);
        $path = $this->getVirtualTestDir('root_');
        chmod($path, 02550);
        $node->expects($this->any())->method('getAbsolutePath')->will($this->returnValue($path));
        $this->assertFalse($node->isWritable());
    }

    public function isDirectoryReturnsTrueIfNameIsADirectory()
    {
        $node = $this->getAccessibleMock(\TYPO3\CMS\Install\FolderStructure\DirectoryNode::class, array('getAbsolutePath'), array(), '', false);
        $path = $this->getVirtualTestDir('dir_');
        $node->expects($this->any())->method('getAbsolutePath')->will($this->returnValue($path));
        $this->assertTrue($node->_call('isDirectory'));
    }

    public function isDirectoryReturnsFalseIfNameIsALinkToADirectory()
    {
        if (TYPO3_OS === 'WIN') {
            $this->markTestSkipped('Test not available on Windows OS.');
        }
        $node = $this->getAccessibleMock(\TYPO3\CMS\Install\FolderStructure\DirectoryNode::class, array('getAbsolutePath'), array(), '', false);
        $path = PATH_site . 'typo3temp/' . $this->getUniqueId('root_');
        \TYPO3\CMS\Core\Utility\GeneralUtility::mkdir_deep($path);
        $this->testFilesToDelete[] = $path;
        $link = $this->getUniqueId('link_');
        $dir = $this->getUniqueId('dir_');
        mkdir($path . '/' . $dir);
        symlink($path . '/' . $dir, $path . '/' . $link);
        $node->expects($this->any())->method('getAbsolutePath')->will($this->returnValue($path . '/' . $link));
        $this->assertFalse($node->_call('isDirectory'));
    }
}