Python raise_error примеры использования

Пример #1

 def test_error_empty(self):
     try:
         raise_error("")
     except tornado.web.HTTPError as exc:
         assert self.normal_error in str(exc)
     else:
         assert False

Пример #2

 def test_error(self):
     try:
         raise_error(self.error)
     except tornado.web.HTTPError as exc:
         assert (self.normal_error + self.error) in str(exc)
     else:
         assert False