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<?php
namespace Twig\Tests\Cache;
/*
* This file is part of Twig.
*
* (c) Fabien Potencier
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
use PHPUnit\Framework\TestCase;
use Twig\Cache\FilesystemCache;
use Twig\Tests\FilesystemHelper;
class FilesystemTest extends TestCase
{
private $classname;
private $directory;
private $cache;
protected function setUp(): void
{
$nonce = hash(\PHP_VERSION_ID < 80100 ? 'sha256' : 'xxh128', uniqid(mt_rand(), true));
$this->classname = '__Twig_Tests_Cache_FilesystemTest_Template_'.$nonce;
$this->directory = sys_get_temp_dir().'/twig-test';
$this->cache = new FilesystemCache($this->directory);
}
protected function tearDown(): void
{
if (file_exists($this->directory)) {
FilesystemHelper::removeDir($this->directory);
}
}
public function testLoad()
{
$key = $this->directory.'/cache/cachefile.php';
$dir = \dirname($key);
@mkdir($dir, 0777, true);
$this->assertDirectoryExists($dir);
$this->assertFalse(class_exists($this->classname, false));
$content = $this->generateSource();
file_put_contents($key, $content);
$this->cache->load($key);
$this->assertTrue(class_exists($this->classname, false));
}
public function testLoadMissing()
{
$key = $this->directory.'/cache/cachefile.php';
$this->assertFalse(class_exists($this->classname, false));
$this->cache->load($key);
$this->assertFalse(class_exists($this->classname, false));
}
public function testWrite()
{
$key = $this->directory.'/cache/cachefile.php';
$content = $this->generateSource();
$this->assertFileDoesNotExist($key);
$this->assertFileDoesNotExist($this->directory);
$this->cache->write($key, $content);
$this->assertFileExists($this->directory);
$this->assertFileExists($key);
$this->assertSame(file_get_contents($key), $content);
}
public function testWriteFailMkdir()
{
$this->expectException(\RuntimeException::class);
$this->expectExceptionMessage('Unable to create the cache directory');
if (\defined('PHP_WINDOWS_VERSION_BUILD')) {
$this->markTestSkipped('Read-only directories not possible on Windows.');
}
$key = $this->directory.'/cache/cachefile.php';
$content = $this->generateSource();
$this->assertFileDoesNotExist($key);
// Create read-only root directory.
@mkdir($this->directory, 0555, true);
$this->assertDirectoryExists($this->directory);
$this->cache->write($key, $content);
}
public function testWriteFailDirWritable()
{
$this->expectException(\RuntimeException::class);
$this->expectExceptionMessage('Unable to write in the cache directory');
if (\defined('PHP_WINDOWS_VERSION_BUILD')) {
$this->markTestSkipped('Read-only directories not possible on Windows.');
}
$key = $this->directory.'/cache/cachefile.php';
$content = $this->generateSource();
$this->assertFileDoesNotExist($key);
// Create root directory.
@mkdir($this->directory, 0777, true);
// Create read-only subdirectory.
@mkdir($this->directory.'/cache', 0555);
$this->assertDirectoryExists($this->directory.'/cache');
$this->cache->write($key, $content);
}
public function testWriteFailWriteFile()
{
$this->expectException(\RuntimeException::class);
$this->expectExceptionMessage('Failed to write cache file');
$key = $this->directory.'/cache/cachefile.php';
$content = $this->generateSource();
$this->assertFileDoesNotExist($key);
// Create a directory in the place of the cache file.
@mkdir($key, 0777, true);
$this->assertDirectoryExists($key);
$this->cache->write($key, $content);
}
public function testGetTimestamp()
{
$key = $this->directory.'/cache/cachefile.php';
$dir = \dirname($key);
@mkdir($dir, 0777, true);
$this->assertDirectoryExists($dir);
// Create the file with a specific modification time.
touch($key, 1234567890);
$this->assertSame(1234567890, $this->cache->getTimestamp($key));
}
public function testGetTimestampMissingFile()
{
$key = $this->directory.'/cache/cachefile.php';
$this->assertSame(0, $this->cache->getTimestamp($key));
}
/**
* Test file cache is tolerant towards trailing (back)slashes on the configured cache directory.
*
* @dataProvider provideDirectories
*/
public function testGenerateKey($expected, $input)
{
$cache = new FilesystemCache($input);
$this->assertMatchesRegularExpression($expected, $cache->generateKey('_test_', static::class));
}
public function provideDirectories()
{
$pattern = '#a/b/[a-zA-Z0-9]+/[a-zA-Z0-9]+.php$#';
return [
[$pattern, 'a/b'],
[$pattern, 'a/b/'],
[$pattern, 'a/b\\'],
[$pattern, 'a/b\\/'],
[$pattern, 'a/b\\//'],
['#/'.substr($pattern, 1), '/a/b'],
];
}
private function generateSource()
{
return strtr('<?php class {{classname}} {}', [
'{{classname}}' => $this->classname,
]);
}
}
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