<?php
/**
 * Zend Framework
 *
 * LICENSE
 *
 * This source file is subject to the new BSD license that is bundled
 * with this package in the file LICENSE.txt.
 * It is also available through the world-wide-web at this URL:
 * http://framework.zend.com/license/new-bsd
 * If you did not receive a copy of the license and are unable to
 * obtain it through the world-wide-web, please send an email
 * to license@zend.com so we can send you a copy immediately.
 *
 * @category   Zend
 * @package    Zend_Search_Lucene
 * @subpackage UnitTests
 * @copyright  Copyright (c) 2005-2012 Zend Technologies USA Inc. (http://www.zend.com)
 * @license    http://framework.zend.com/license/new-bsd     New BSD License
 * @version    $Id$
 */

/**
 * Zend_Search_Lucene_Storage_Directory_Filesystem
 */
require_once 'Zend/Search/Lucene/Storage/Directory/Filesystem.php';

/**
 * @category   Zend
 * @package    Zend_Search_Lucene
 * @subpackage UnitTests
 * @copyright  Copyright (c) 2005-2012 Zend Technologies USA Inc. (http://www.zend.com)
 * @license    http://framework.zend.com/license/new-bsd     New BSD License
 * @group      Zend_Search_Lucene
 */
class Zend_Search_Lucene_Storage_DirectoryTest extends PHPUnit_Framework_TestCase
{
    public function testFilesystem()
    {
        $tempPath = dirname(__FILE__) . '/_tempFiles/_files';

        if (is_dir($tempPath)) {
            // remove files from temporary direcytory
            $dir = opendir($tempPath);
            while (($file = readdir($dir)) !== false) {
                if (!is_dir($tempPath . '/' . $file)) {
                    @unlink($tempPath . '/' . $file);
                }
            }
            closedir($dir);
        }

        $directory = new Zend_Search_Lucene_Storage_Directory_Filesystem($tempPath);

        $this->assertTrue($directory instanceof Zend_Search_Lucene_Storage_Directory);
        $this->assertEquals(count($directory->fileList()), 0);

        $fileObject = $directory->createFile('file1');
        $this->assertTrue($fileObject instanceof Zend_Search_Lucene_Storage_File);
        unset($fileObject);
        $this->assertEquals($directory->fileLength('file1'), 0);

        $this->assertEquals(count(array_diff($directory->fileList(), array('file1'))), 0);

        $directory->deleteFile('file1');
        $this->assertEquals(count($directory->fileList()), 0);

        $this->assertFalse($directory->fileExists('file2'));

        $fileObject = $directory->createFile('file2');
        $this->assertEquals($directory->fileLength('file2'), 0);
        $fileObject->writeBytes('0123456789');
        unset($fileObject);
        $this->assertEquals($directory->fileLength('file2'), 10);

        $directory->renameFile('file2', 'file3');
        $this->assertEquals(count(array_diff($directory->fileList(), array('file3'))), 0);

        $modifiedAt1 = $directory->fileModified('file3');
        clearstatcache();
        $directory->touchFile('file3');
        $modifiedAt2 = $directory->fileModified('file3');
        sleep(1);
        clearstatcache();
        $directory->touchFile('file3');
        $modifiedAt3 = $directory->fileModified('file3');

        $this->assertTrue($modifiedAt2 >= $modifiedAt1);
        $this->assertTrue($modifiedAt3 >  $modifiedAt2);

        $fileObject = $directory->getFileObject('file3');
        $this->assertEquals($fileObject->readBytes($directory->fileLength('file3')), '0123456789');
        unset($fileObject);

        $fileObject = $directory->createFile('file3');
        $this->assertEquals($fileObject->readBytes($directory->fileLength('file3')), '');
        unset($fileObject);

        $directory->deleteFile('file3');
        $this->assertEquals(count($directory->fileList()), 0);

        $directory->close();
    }

    public function testFilesystemSubfoldersAutoCreation()
    {
        $directory = new Zend_Search_Lucene_Storage_Directory_Filesystem(dirname(__FILE__) . '/_tempFiles/_files/dir1/dir2/dir3');
        $this->assertTrue($directory instanceof Zend_Search_Lucene_Storage_Directory);
        $directory->close();

        rmdir(dirname(__FILE__) . '/_tempFiles/_files/dir1/dir2/dir3');
        rmdir(dirname(__FILE__) . '/_tempFiles/_files/dir1/dir2');
        rmdir(dirname(__FILE__) . '/_tempFiles/_files/dir1');
    }
}