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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\HttpFoundation\Tests\Session\Storage\Handler;
use PHPUnit\Framework\TestCase;
use Symfony\Component\HttpFoundation\Session\Storage\Handler\PdoSessionHandler;
/**
* @requires extension pdo_sqlite
* @group time-sensitive
*/
class PdoSessionHandlerTest extends TestCase
{
private $dbFile;
protected function tearDown()
{
// make sure the temporary database file is deleted when it has been created (even when a test fails)
if ($this->dbFile) {
@unlink($this->dbFile);
}
parent::tearDown();
}
protected function getPersistentSqliteDsn()
{
$this->dbFile = tempnam(sys_get_temp_dir(), 'sf2_sqlite_sessions');
return 'sqlite:'.$this->dbFile;
}
protected function getMemorySqlitePdo()
{
$pdo = new \PDO('sqlite::memory:');
$pdo->setAttribute(\PDO::ATTR_ERRMODE, \PDO::ERRMODE_EXCEPTION);
$storage = new PdoSessionHandler($pdo);
$storage->createTable();
return $pdo;
}
/**
* @expectedException \InvalidArgumentException
*/
public function testWrongPdoErrMode()
{
$pdo = $this->getMemorySqlitePdo();
$pdo->setAttribute(\PDO::ATTR_ERRMODE, \PDO::ERRMODE_SILENT);
$storage = new PdoSessionHandler($pdo);
}
/**
* @expectedException \RuntimeException
*/
public function testInexistentTable()
{
$storage = new PdoSessionHandler($this->getMemorySqlitePdo(), array('db_table' => 'inexistent_table'));
$storage->open('', 'sid');
$storage->read('id');
$storage->write('id', 'data');
$storage->close();
}
/**
* @expectedException \RuntimeException
*/
public function testCreateTableTwice()
{
$storage = new PdoSessionHandler($this->getMemorySqlitePdo());
$storage->createTable();
}
public function testWithLazyDsnConnection()
{
$dsn = $this->getPersistentSqliteDsn();
$storage = new PdoSessionHandler($dsn);
$storage->createTable();
$storage->open('', 'sid');
$data = $storage->read('id');
$storage->write('id', 'data');
$storage->close();
$this->assertSame('', $data, 'New session returns empty string data');
$storage->open('', 'sid');
$data = $storage->read('id');
$storage->close();
$this->assertSame('data', $data, 'Written value can be read back correctly');
}
public function testWithLazySavePathConnection()
{
$dsn = $this->getPersistentSqliteDsn();
// Open is called with what ini_set('session.save_path', $dsn) would mean
$storage = new PdoSessionHandler(null);
$storage->open($dsn, 'sid');
$storage->createTable();
$data = $storage->read('id');
$storage->write('id', 'data');
$storage->close();
$this->assertSame('', $data, 'New session returns empty string data');
$storage->open($dsn, 'sid');
$data = $storage->read('id');
$storage->close();
$this->assertSame('data', $data, 'Written value can be read back correctly');
}
public function testReadWriteReadWithNullByte()
{
$sessionData = 'da'."\0".'ta';
$storage = new PdoSessionHandler($this->getMemorySqlitePdo());
$storage->open('', 'sid');
$readData = $storage->read('id');
$storage->write('id', $sessionData);
$storage->close();
$this->assertSame('', $readData, 'New session returns empty string data');
$storage->open('', 'sid');
$readData = $storage->read('id');
$storage->close();
$this->assertSame($sessionData, $readData, 'Written value can be read back correctly');
}
public function testReadConvertsStreamToString()
{
if (defined('HHVM_VERSION')) {
$this->markTestSkipped('PHPUnit_MockObject cannot mock the PDOStatement class on HHVM. See https://github.com/sebastianbergmann/phpunit-mock-objects/pull/289');
}
$pdo = new MockPdo('pgsql');
$pdo->prepareResult = $this->getMockBuilder('PDOStatement')->getMock();
$content = 'foobar';
$stream = $this->createStream($content);
$pdo->prepareResult->expects($this->once())->method('fetchAll')
->will($this->returnValue(array(array($stream, 42, time()))));
$storage = new PdoSessionHandler($pdo);
$result = $storage->read('foo');
$this->assertSame($content, $result);
}
public function testReadLockedConvertsStreamToString()
{
if (defined('HHVM_VERSION')) {
$this->markTestSkipped('PHPUnit_MockObject cannot mock the PDOStatement class on HHVM. See https://github.com/sebastianbergmann/phpunit-mock-objects/pull/289');
}
$pdo = new MockPdo('pgsql');
$selectStmt = $this->getMockBuilder('PDOStatement')->getMock();
$insertStmt = $this->getMockBuilder('PDOStatement')->getMock();
$pdo->prepareResult = function ($statement) use ($selectStmt, $insertStmt) {
return 0 === strpos($statement, 'INSERT') ? $insertStmt : $selectStmt;
};
$content = 'foobar';
$stream = $this->createStream($content);
$exception = null;
$selectStmt->expects($this->atLeast(2))->method('fetchAll')
->will($this->returnCallback(function () use (&$exception, $stream) {
return $exception ? array(array($stream, 42, time())) : array();
}));
$insertStmt->expects($this->once())->method('execute')
->will($this->returnCallback(function () use (&$exception) {
throw $exception = new \PDOException('', '23');
}));
$storage = new PdoSessionHandler($pdo);
$result = $storage->read('foo');
$this->assertSame($content, $result);
}
public function testReadingRequiresExactlySameId()
{
$storage = new PdoSessionHandler($this->getMemorySqlitePdo());
$storage->open('', 'sid');
$storage->write('id', 'data');
$storage->write('test', 'data');
$storage->write('space ', 'data');
$storage->close();
$storage->open('', 'sid');
$readDataCaseSensitive = $storage->read('ID');
$readDataNoCharFolding = $storage->read('tést');
$readDataKeepSpace = $storage->read('space ');
$readDataExtraSpace = $storage->read('space ');
$storage->close();
$this->assertSame('', $readDataCaseSensitive, 'Retrieval by ID should be case-sensitive (collation setting)');
$this->assertSame('', $readDataNoCharFolding, 'Retrieval by ID should not do character folding (collation setting)');
$this->assertSame('data', $readDataKeepSpace, 'Retrieval by ID requires spaces as-is');
$this->assertSame('', $readDataExtraSpace, 'Retrieval by ID requires spaces as-is');
}
/**
* Simulates session_regenerate_id(true) which will require an INSERT or UPDATE (replace).
*/
public function testWriteDifferentSessionIdThanRead()
{
$storage = new PdoSessionHandler($this->getMemorySqlitePdo());
$storage->open('', 'sid');
$storage->read('id');
$storage->destroy('id');
$storage->write('new_id', 'data_of_new_session_id');
$storage->close();
$storage->open('', 'sid');
$data = $storage->read('new_id');
$storage->close();
$this->assertSame('data_of_new_session_id', $data, 'Data of regenerated session id is available');
}
public function testWrongUsageStillWorks()
{
// wrong method sequence that should no happen, but still works
$storage = new PdoSessionHandler($this->getMemorySqlitePdo());
$storage->write('id', 'data');
$storage->write('other_id', 'other_data');
$storage->destroy('inexistent');
$storage->open('', 'sid');
$data = $storage->read('id');
$otherData = $storage->read('other_id');
$storage->close();
$this->assertSame('data', $data);
$this->assertSame('other_data', $otherData);
}
public function testSessionDestroy()
{
$pdo = $this->getMemorySqlitePdo();
$storage = new PdoSessionHandler($pdo);
$storage->open('', 'sid');
$storage->read('id');
$storage->write('id', 'data');
$storage->close();
$this->assertEquals(1, $pdo->query('SELECT COUNT(*) FROM sessions')->fetchColumn());
$storage->open('', 'sid');
$storage->read('id');
$storage->destroy('id');
$storage->close();
$this->assertEquals(0, $pdo->query('SELECT COUNT(*) FROM sessions')->fetchColumn());
$storage->open('', 'sid');
$data = $storage->read('id');
$storage->close();
$this->assertSame('', $data, 'Destroyed session returns empty string');
}
public function testSessionGC()
{
$previousLifeTime = ini_set('session.gc_maxlifetime', 1000);
$pdo = $this->getMemorySqlitePdo();
$storage = new PdoSessionHandler($pdo);
$storage->open('', 'sid');
$storage->read('id');
$storage->write('id', 'data');
$storage->close();
$storage->open('', 'sid');
$storage->read('gc_id');
ini_set('session.gc_maxlifetime', -1); // test that you can set lifetime of a session after it has been read
$storage->write('gc_id', 'data');
$storage->close();
$this->assertEquals(2, $pdo->query('SELECT COUNT(*) FROM sessions')->fetchColumn(), 'No session pruned because gc not called');
$storage->open('', 'sid');
$data = $storage->read('gc_id');
$storage->gc(-1);
$storage->close();
ini_set('session.gc_maxlifetime', $previousLifeTime);
$this->assertSame('', $data, 'Session already considered garbage, so not returning data even if it is not pruned yet');
$this->assertEquals(1, $pdo->query('SELECT COUNT(*) FROM sessions')->fetchColumn(), 'Expired session is pruned');
}
public function testGetConnection()
{
$storage = new PdoSessionHandler($this->getMemorySqlitePdo());
$method = new \ReflectionMethod($storage, 'getConnection');
$method->setAccessible(true);
$this->assertInstanceOf('\PDO', $method->invoke($storage));
}
public function testGetConnectionConnectsIfNeeded()
{
$storage = new PdoSessionHandler('sqlite::memory:');
$method = new \ReflectionMethod($storage, 'getConnection');
$method->setAccessible(true);
$this->assertInstanceOf('\PDO', $method->invoke($storage));
}
private function createStream($content)
{
$stream = tmpfile();
fwrite($stream, $content);
fseek($stream, 0);
return $stream;
}
}
class MockPdo extends \PDO
{
public $prepareResult;
private $driverName;
private $errorMode;
public function __construct($driverName = null, $errorMode = null)
{
$this->driverName = $driverName;
$this->errorMode = null !== $errorMode ?: \PDO::ERRMODE_EXCEPTION;
}
public function getAttribute($attribute)
{
if (\PDO::ATTR_ERRMODE === $attribute) {
return $this->errorMode;
}
if (\PDO::ATTR_DRIVER_NAME === $attribute) {
return $this->driverName;
}
return parent::getAttribute($attribute);
}
public function prepare($statement, $driverOptions = array())
{
return is_callable($this->prepareResult)
? call_user_func($this->prepareResult, $statement, $driverOptions)
: $this->prepareResult;
}
public function beginTransaction()
{
}
public function rollBack()
{
}
}