public function testHmacStrategyOnNonExistKey()
{
Session::config(array('primary' => array('adapter' => new Memory(), 'strategies' => array('Hmac' => array('secret' => 's3cr3t')))));
$this->assertEmpty(Session::read('test'));
Session::write('test', 'value');
$result = Session::read('test');
$expected = 'value';
$this->assertEqual($expected, $result);
}