public function get(UnitTester $I)
{
$I->wantTo('Get data by using APC(u) as cache backend');
$key = '_PHCA' . 'data-get';
$data = [uniqid(), gethostname(), microtime(), get_include_path(), time()];
$cache = new Apc(new Data(['lifetime' => 20]));
$I->haveInApc($key, serialize($data));
$I->assertEquals($data, $cache->get('data-get'));
$I->assertNull($cache->get('non-existent-key'));
$data = 'sure, nothing interesting';
$I->haveInApc($key, serialize($data));
$I->assertEquals($data, $cache->get('data-get'));
$I->assertNull($cache->get('non-existent-key-2'));
}