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FilesystemTest.php
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FilesystemTest.php
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<?php
/*
* 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.
*/
require_once dirname(dirname(__FILE__)).'/FilesystemHelper.php';
class Twig_Tests_Cache_FilesystemTest extends PHPUnit_Framework_TestCase
{
private $classname;
private $directory;
private $cache;
protected function setUp()
{
$nonce = hash('sha256', uniqid(mt_rand(), true));
$this->classname = '__Twig_Tests_Cache_FilesystemTest_Template_'.$nonce;
$this->directory = sys_get_temp_dir().'/twig-test';
$this->cache = new Twig_Cache_Filesystem($this->directory);
}
protected function tearDown()
{
if (file_exists($this->directory)) {
Twig_Tests_FilesystemHelper::removeDir($this->directory);
}
}
public function testLoad()
{
$key = $this->directory.'/cache/cachefile.php';
$dir = dirname($key);
@mkdir($dir, 0777, true);
$this->assertTrue(is_dir($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();
$this->assertFalse(file_exists($key));
$this->assertFalse(file_exists($this->directory));
$this->cache->write($key, $content);
$this->assertTrue(file_exists($this->directory));
$this->assertTrue(file_exists($key));
$this->assertSame(file_get_contents($key), $content);
}
/**
* @expectedException RuntimeException
* @expectedExceptionMessage Unable to create the cache directory
*/
public function testWriteFailMkdir()
{
if (defined('PHP_WINDOWS_VERSION_BUILD')) {
$this->markTestSkipped('Read-only directories not possible on Windows.');
}
$key = $this->directory.'/cache/cachefile.php';
$content = $this->generateSource();
$this->assertFalse(file_exists($key));
// Create read-only root directory.
@mkdir($this->directory, 0555, true);
$this->assertTrue(is_dir($this->directory));
$this->cache->write($key, $content);
}
/**
* @expectedException RuntimeException
* @expectedExceptionMessage Unable to write in the cache directory
*/
public function testWriteFailDirWritable()
{
if (defined('PHP_WINDOWS_VERSION_BUILD')) {
$this->markTestSkipped('Read-only directories not possible on Windows.');
}
$key = $this->directory.'/cache/cachefile.php';
$content = $this->generateSource();
$this->assertFalse(file_exists($key));
// Create root directory.
@mkdir($this->directory, 0777, true);
// Create read-only subdirectory.
@mkdir($this->directory.'/cache' , 0555);
$this->assertTrue(is_dir($this->directory.'/cache'));
$this->cache->write($key, $content);
}
/**
* @expectedException RuntimeException
* @expectedExceptionMessage Failed to write cache file
*/
public function testWriteFailWriteFile()
{
$key = $this->directory.'/cache/cachefile.php';
$content = $this->generateSource();
$this->assertFalse(file_exists($key));
// Create a directory in the place of the cache file.
@mkdir($key, 0777, true);
$this->assertTrue(is_dir($key));
$this->cache->write($key, $content);
}
public function testGetTimestamp()
{
$key = $this->directory.'/cache/cachefile.php';
$dir = dirname($key);
@mkdir($dir, 0777, true);
$this->assertTrue(is_dir($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)
{
$cache = new Twig_Cache_Filesystem($input);
$this->assertRegExp($expected, $cache->generateKey('_test_', get_class($this)));
}
public function provideDirectories()
{
$pattern = '#a/b/[a-zA-Z0-9]+/[a-zA-Z0-9]+.php$#';
return array(
array($pattern, 'a/b'),
array($pattern, 'a/b/'),
array($pattern, 'a/b\\'),
array($pattern, 'a/b\\/'),
array($pattern, 'a/b\\//'),
array('#/'.substr($pattern, 1), '/a/b'),
);
}
private function generateSource()
{
return strtr('<?php class {{classname}} {}', array(
'{{classname}}' => $this->classname,
));
}
}