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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/].
import pytest
from telegram.ext import CallbackContext, ContextTypes
from tests.auxil.slots import mro_slots
class SubClass(CallbackContext):
pass
class TestContextTypes:
def test_slot_behaviour(self):
instance = ContextTypes()
for attr in instance.__slots__:
assert getattr(instance, attr, "err") != "err", f"got extra slot '{attr}'"
assert len(mro_slots(instance)) == len(set(mro_slots(instance))), "duplicate slot"
def test_data_init(self):
ct = ContextTypes(SubClass, int, float, bool)
assert ct.context is SubClass
assert ct.bot_data is int
assert ct.chat_data is float
assert ct.user_data is bool
with pytest.raises(TypeError, match="subclass of CallbackContext"):
ContextTypes(context=bool)
def test_data_assignment(self):
ct = ContextTypes()
with pytest.raises(AttributeError):
ct.bot_data = bool
with pytest.raises(AttributeError):
ct.user_data = bool
with pytest.raises(AttributeError):
ct.chat_data = bool
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