def METHOD_NAME(self):
    parsed_url = self.tracker.parse_url('http://not.rutracker.ogre/forum/viewtopic.php?t=5018611')
    self.assertFalse(parsed_url)
    # special case for not existing topic
    parsed_url = self.tracker.parse_url('http://rutracker.org/forum/viewtopic.php?t=50186110')
    self.assertFalse(parsed_url)