public function testOpenMethod()
{
$handler = new CookieSessionHandler('test_session');
$request = $this->getMock('Symfony\\Component\\HttpFoundation\\Request');
$mockCookieJar = new Symfony\Component\HttpFoundation\ParameterBag();
$mockCookieJar->set('test_session', '...');
$request->cookies = $mockCookieJar;
$handler->setRequest($request);
$this->assertTrue($handler->open('', ''));
$mockCookieJar->remove('test_session');
$this->assertFalse($handler->open('', ''));
}
