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<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Filesystem\Tests;

use PHPUnit\Framework\TestCase;
use Symfony\Component\Filesystem\Exception\IOException;
use Symfony\Component\Filesystem\Filesystem;
use Symfony\Component\Filesystem\LockHandler;

/**
 * @group legacy
 */
class LockHandlerTest extends TestCase
{
    public function testConstructWhenRepositoryDoesNotExist()
    {
        $this->expectException('Symfony\Component\Filesystem\Exception\IOException');
        $this->expectExceptionMessage('Failed to create "/a/b/c/d/e": mkdir(): Permission denied');
        if (!getenv('USER') || 'root' === getenv('USER')) {
            $this->markTestSkipped('This test will fail if run under superuser');
        }
        new LockHandler('lock', '/a/b/c/d/e');
    }

public function testConstructWhenRepositoryIsNotWriteable()
    {
        $this->expectException('Symfony\Component\Filesystem\Exception\IOException');
        $this->expectExceptionMessage('The directory "/" is not writable.');
        if (!getenv('USER') || 'root' === getenv('USER')) {
            $this->markTestSkipped('This test will fail if run under superuser');
        }
        new LockHandler('lock', '/');
    }

public function testErrorHandlingInLockIfLockPathBecomesUnwritable()
    {
        // skip test on Windows; PHP can't easily set file as unreadable on Windows
        if ('\\' === \DIRECTORY_SEPARATOR) {
            $this->markTestSkipped('This test cannot run on Windows.');
        }

if (!getenv('USER') || 'root' === getenv('USER')) {
            $this->markTestSkipped('This test will fail if run under superuser');
        }

$lockPath = sys_get_temp_dir().'/'.uniqid('', true);
        $e = null;
        $wrongMessage = null;

try {
            mkdir($lockPath);

$lockHandler = new LockHandler('lock', $lockPath);

chmod($lockPath, 0444);

$lockHandler->lock();
        } catch (IOException $e) {
            if (false === strpos($e->getMessage(), 'Permission denied')) {
                $wrongMessage = $e->getMessage();
            } else {
                $this->addToAssertionCount(1);
            }
        } catch (\Exception $e) {
        } catch (\Throwable $e) {
        }

if (is_dir($lockPath)) {
            $fs = new Filesystem();
            $fs->remove($lockPath);
        }

$this->assertInstanceOf('Symfony\Component\Filesystem\Exception\IOException', $e, sprintf('Expected IOException to be thrown, got %s instead.', \get_class($e)));
        $this->assertNull($wrongMessage, sprintf('Expected exception message to contain "Permission denied", got "%s" instead.', $wrongMessage));
    }

public function testConstructSanitizeName()
    {
        $lock = new LockHandler('<?php echo "% hello word ! %" ?>');

$file = sprintf('%s/sf.-php-echo-hello-word-.4b3d9d0d27ddef3a78a64685dda3a963e478659a9e5240feaf7b4173a8f28d5f.lock', sys_get_temp_dir());
        // ensure the file does not exist before the lock
        @unlink($file);

$lock->lock();

$this->assertFileExists($file);

$lock->release();
    }

public function testLockRelease()
    {
        $name = 'symfony-test-filesystem.lock';

$l1 = new LockHandler($name);
        $l2 = new LockHandler($name);

$this->assertTrue($l1->lock());
        $this->assertFalse($l2->lock());

$l1->release();

$this->assertTrue($l2->lock());
        $l2->release();
    }

public function testLockTwice()
    {
        $name = 'symfony-test-filesystem.lock';

$lockHandler = new LockHandler($name);

$this->assertTrue($lockHandler->lock());
        $this->assertTrue($lockHandler->lock());

$lockHandler->release();
    }

public function testLockIsReleased()
    {
        $name = 'symfony-test-filesystem.lock';

$l1 = new LockHandler($name);
        $l2 = new LockHandler($name);

$this->assertTrue($l1->lock());
        $this->assertFalse($l2->lock());

$l1 = null;

$this->assertTrue($l2->lock());
        $l2->release();
    }
}