DirectoryNodeTest.php

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

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

    protected $testNodesToDelete = array();

    public function tearDown() {
        foreach ($this->testNodesToDelete as $node) {
            if (\TYPO3\CMS\Core\Utility\GeneralUtility::isFirstPartOfStr($node, PATH_site . 'typo3temp/')) {
                \TYPO3\CMS\Core\Utility\GeneralUtility::rmdir($node, TRUE);
            }
        }
        parent::tearDown();
    }

    public function constructorThrowsExceptionIfParentIsNull() {
        $node = $this->getAccessibleMock('TYPO3\\CMS\\Install\\FolderStructure\\DirectoryNode', array('dummy'), array(), '', FALSE);
        $node->__construct(array(), NULL);
    }

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

    public function constructorCallsCreateChildrenIfChildrenAreSet() {
        $parent = $this->getMock('TYPO3\CMS\Install\FolderStructure\NodeInterface', array(), array(), '', FALSE);
        $node = $this->getAccessibleMock(
            'TYPO3\\CMS\\Install\\FolderStructure\\DirectoryNode',
            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', array(), array(), '', FALSE);
        $node = $this->getAccessibleMock('TYPO3\\CMS\\Install\\FolderStructure\\DirectoryNode', 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', array(), array(), '', FALSE);
        $node = $this->getAccessibleMock('TYPO3\\CMS\\Install\\FolderStructure\\DirectoryNode', 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', array('dummy'), array(), '', FALSE);
        $parent = $this->getMock('TYPO3\CMS\Install\FolderStructure\RootNodeInterface', 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',
            array('getAbsolutePath', 'exists', 'isDirectory', 'isWritable', 'isPermissionCorrect'),
            array(),
            '',
            FALSE
        );
        $path = PATH_site . 'typo3temp/' . $this->getUniqueId('dir_');
        $node->expects($this->any())->method('getAbsolutePath')->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',
            array('getAbsolutePath', 'exists', 'isDirectory', 'isWritable', 'isPermissionCorrect'),
            array(),
            '',
            FALSE
        );
        $path = PATH_site . 'typo3temp/' . $this->getUniqueId('dir_');
        $node->expects($this->any())->method('getAbsolutePath')->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', $status);
    }

    public function getStatusReturnsArrayWithErrorStatusIfNodeIsNotADirectory() {
        $node = $this->getAccessibleMock(
            'TYPO3\\CMS\\Install\\FolderStructure\\DirectoryNode',
            array('getAbsolutePath', 'exists', 'isDirectory', 'isWritable', 'isPermissionCorrect'),
            array(),
            '',
            FALSE
        );
        $path = PATH_site . 'typo3temp/' . $this->getUniqueId('dir_');
        touch ($path);
        $this->testNodesToDelete[] = $path;
        $node->expects($this->any())->method('getAbsolutePath')->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', $status);
    }

    public function getStatusReturnsArrayWithErrorStatusIfDirectoryExistsButIsNotWritable() {
        $node = $this->getAccessibleMock(
            'TYPO3\\CMS\\Install\\FolderStructure\\DirectoryNode',
            array('getAbsolutePath', 'exists', 'isDirectory', 'isWritable', 'isPermissionCorrect'),
            array(),
            '',
            FALSE
        );
        $path = PATH_site . 'typo3temp/' . $this->getUniqueId('dir_');
        touch ($path);
        $this->testNodesToDelete[] = $path;
        $node->expects($this->any())->method('getAbsolutePath')->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', $status);
    }

    public function getStatusReturnsArrayWithNoticeStatusIfDirectoryExistsButPermissionAreNotCorrect() {
        $node = $this->getAccessibleMock(
            'TYPO3\\CMS\\Install\\FolderStructure\\DirectoryNode',
            array('getAbsolutePath', 'exists', 'isDirectory', 'isWritable', 'isPermissionCorrect'),
            array(),
            '',
            FALSE
        );
        $path = PATH_site . 'typo3temp/' . $this->getUniqueId('dir_');
        touch ($path);
        $this->testNodesToDelete[] = $path;
        $node->expects($this->any())->method('getAbsolutePath')->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', $status);
    }

    public function getStatusReturnsArrayWithOkStatusIfDirectoryExistsAndPermissionAreCorrect() {
        $node = $this->getAccessibleMock(
            'TYPO3\\CMS\\Install\\FolderStructure\\DirectoryNode',
            array('getAbsolutePath', 'exists', 'isDirectory', 'isWritable', 'isPermissionCorrect'),
            array(),
            '',
            FALSE
        );
        $path = PATH_site . 'typo3temp/' . $this->getUniqueId('dir_');
        touch ($path);
        $this->testNodesToDelete[] = $path;
        $node->expects($this->any())->method('getAbsolutePath')->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', $status);
    }

    public function getStatusCallsGetStatusOnChildren() {
        $node = $this->getAccessibleMock(
            'TYPO3\\CMS\\Install\\FolderStructure\\DirectoryNode',
            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', array(), array(), '', FALSE);
        $childMock1->expects($this->once())->method('getStatus')->will($this->returnValue(array()));
        $childMock2 = $this->getMock('TYPO3\\CMS\\Install\\FolderStructure\\NodeInterface', 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',
            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', array(), array(), '', FALSE);
        $childStatusMock = $this->getMock('TYPO3\\CMS\\Install\\Status\\ErrorStatus', 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', $statusOfDirectory);
        $this->assertInstanceOf('\TYPO3\CMS\Install\Status\ErrorStatus', $statusOfChild);
    }

    public function fixCallsFixSelfAndReturnsItsResult() {
        $node = $this->getAccessibleMock(
            'TYPO3\\CMS\\Install\\FolderStructure\\DirectoryNode',
            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', 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', 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', 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',
            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',
            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', $result[0]);
    }

    public function fixSelfCallsFixPermissionIfDirectoryExistsButIsNotWritable() {
        $node = $this->getAccessibleMock(
            'TYPO3\\CMS\\Install\\FolderStructure\\DirectoryNode',
            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', 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', array('exists', 'getAbsolutePath'), array(), '', FALSE);
        $path = PATH_site . 'typo3temp/' . $this->getUniqueId('dir_');
        $this->testNodesToDelete[] = $path;
        $node->expects($this->once())->method('exists')->will($this->returnValue(FALSE));
        $node->expects($this->any())->method('getAbsolutePath')->will($this->returnValue($path));
        $node->_call('createDirectory');
        $this->assertTrue(is_dir($path));
    }

    public function createDirectoryReturnsOkStatusIfDirectoryWasCreated() {
        $node = $this->getAccessibleMock('TYPO3\\CMS\\Install\\FolderStructure\\DirectoryNode', array('exists', 'getAbsolutePath'), array(), '', FALSE);
        $path = PATH_site . 'typo3temp/' . $this->getUniqueId('dir_');
        $this->testNodesToDelete[] = $path;
        $node->expects($this->once())->method('exists')->will($this->returnValue(FALSE));
        $node->expects($this->any())->method('getAbsolutePath')->will($this->returnValue($path));
        $this->assertInstanceOf('TYPO3\\CMS\Install\\Status\\StatusInterface', $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', array('exists', 'getAbsolutePath'), array(), '', FALSE);
        $path = PATH_site . 'typo3temp/' . $this->getUniqueId('root_');
        mkdir($path);
        chmod($path, 02550);
        $subPath = $path . '/' . $this->getUniqueId('dir_');
        $this->testNodesToDelete[] = $path;
        $node->expects($this->once())->method('exists')->will($this->returnValue(FALSE));
        $node->expects($this->any())->method('getAbsolutePath')->will($this->returnValue($subPath));
        $this->assertInstanceOf('TYPO3\\CMS\Install\\Status\\StatusInterface', $node->_call('createDirectory'));
    }

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

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

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

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

    public function isWritableReturnsFalseIfNodeDoesNotExist() {
        $node = $this->getAccessibleMock('TYPO3\\CMS\\Install\\FolderStructure\\DirectoryNode', array('getAbsolutePath'), array(), '', FALSE);
        $path = PATH_site . 'typo3temp/' . $this->getUniqueId('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', array('getAbsolutePath'), array(), '', FALSE);
        $path = PATH_site . 'typo3temp/' . $this->getUniqueId('root_');
        \TYPO3\CMS\Core\Utility\GeneralUtility::mkdir_deep($path);
        $this->testNodesToDelete[] = $path;
        $node->expects($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', array('getAbsolutePath'), array(), '', FALSE);
        $path = PATH_site . 'typo3temp/' . $this->getUniqueId('root_');
        \TYPO3\CMS\Core\Utility\GeneralUtility::mkdir_deep($path);
        $this->testNodesToDelete[] = $path;
        chmod($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', array('getAbsolutePath'), array(), '', FALSE);
        $path = PATH_site . 'typo3temp/' . $this->getUniqueId('dir_');
        \TYPO3\CMS\Core\Utility\GeneralUtility::mkdir_deep($path);
        $this->testNodesToDelete[] = $path;
        $node->expects($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', array('getAbsolutePath'), array(), '', FALSE);
        $path = PATH_site . 'typo3temp/' . $this->getUniqueId('root_');
        \TYPO3\CMS\Core\Utility\GeneralUtility::mkdir_deep($path);
        $this->testNodesToDelete[] = $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'));
    }
}