public function hierarchy()
{
$share = self::$share->getShare('myshare');
$child = self::$share->getShare('mychildshare');
$this->assertEquals($share->getId(), $child->getParent()->getId());
$this->assertEquals(1, $share->countChildren('john'));
$this->assertContains($child->getName(), array_keys($share->getChildren('john')));
}