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#!/usr/bin/env python
#
# A library that provides a Python interface to the Telegram Bot API
# Copyright (C) 2015-2025
# Leandro Toledo de Souza <devs@python-telegram-bot.org>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Lesser Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Lesser Public License for more details.
#
# You should have received a copy of the GNU Lesser Public License
# along with this program. If not, see [http://www.gnu.org/licenses/].
from telegram.ext import BaseHandler
from tests.auxil.slots import mro_slots
class TestHandler:
def test_slot_behaviour(self):
class SubclassHandler(BaseHandler):
__slots__ = ()
def __init__(self):
super().__init__(lambda x: None)
def check_update(self, update: object):
pass
inst = SubclassHandler()
for attr in inst.__slots__:
assert getattr(inst, attr, "err") != "err", f"got extra slot '{attr}'"
assert len(mro_slots(inst)) == len(set(mro_slots(inst))), "duplicate slot"
def test_repr(self):
async def some_func():
return None
class SubclassHandler(BaseHandler):
__slots__ = ()
def __init__(self):
super().__init__(callback=some_func)
def check_update(self, update: object):
pass
sh = SubclassHandler()
assert repr(sh) == "SubclassHandler[callback=TestHandler.test_repr.<locals>.some_func]"
def test_repr_no_qualname(self):
class ClassBasedCallback:
async def __call__(self, *args, **kwargs):
pass
def __repr__(self):
return "Repr of ClassBasedCallback"
class SubclassHandler(BaseHandler):
__slots__ = ()
def __init__(self):
super().__init__(callback=ClassBasedCallback())
def check_update(self, update: object):
pass
sh = SubclassHandler()
assert repr(sh) == "SubclassHandler[callback=Repr of ClassBasedCallback]"
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