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<?php
namespace Doctrine\Tests\Common\Cache;
use Doctrine\Common\Cache\Cache;
use Doctrine\Common\Cache\FilesystemCache;
/**
* @group DCOM-101
*/
class FilesystemCacheTest extends BaseFileCacheTest
{
public function testLifetime()
{
$cache = $this->_getCacheDriver();
// Test save
$cache->save('test_key', 'testing this out', 10);
// Test contains to test that save() worked
$this->assertTrue($cache->contains('test_key'));
// Test fetch
$this->assertEquals('testing this out', $cache->fetch('test_key'));
// access private methods
$getFilename = new \ReflectionMethod($cache, 'getFilename');
$getNamespacedId = new \ReflectionMethod($cache, 'getNamespacedId');
$getFilename->setAccessible(true);
$getNamespacedId->setAccessible(true);
$id = $getNamespacedId->invoke($cache, 'test_key');
$filename = $getFilename->invoke($cache, $id);
$data = '';
$lifetime = 0;
$resource = fopen($filename, "r");
if (false !== ($line = fgets($resource))) {
$lifetime = (integer) $line;
}
while (false !== ($line = fgets($resource))) {
$data .= $line;
}
$this->assertNotEquals(0, $lifetime, "previous lifetime could not be loaded");
// update lifetime
$lifetime = $lifetime - 20;
file_put_contents($filename, $lifetime . PHP_EOL . $data);
// test expired data
$this->assertFalse($cache->contains('test_key'));
$this->assertFalse($cache->fetch('test_key'));
}
public function testGetStats()
{
$cache = $this->_getCacheDriver();
$stats = $cache->getStats();
$this->assertNull($stats[Cache::STATS_HITS]);
$this->assertNull($stats[Cache::STATS_MISSES]);
$this->assertNull($stats[Cache::STATS_UPTIME]);
$this->assertEquals(0, $stats[Cache::STATS_MEMORY_USAGE]);
$this->assertGreaterThan(0, $stats[Cache::STATS_MEMORY_AVAILABLE]);
}
protected function _getCacheDriver()
{
return new FilesystemCache($this->directory);
}
}
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