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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 asyncio
import re
import pytest
from telegram import (
Bot,
CallbackQuery,
Chat,
ChosenInlineResult,
InlineQuery,
Message,
PreCheckoutQuery,
ShippingQuery,
Update,
User,
)
from telegram.ext import CallbackContext, JobQueue, MessageHandler, filters
from telegram.ext.filters import MessageFilter
from tests.auxil.slots import mro_slots
message = Message(1, None, Chat(1, ""), from_user=User(1, "", False), text="Text")
params = [
{"callback_query": CallbackQuery(1, User(1, "", False), "chat", message=message)},
{"inline_query": InlineQuery(1, User(1, "", False), "", "")},
{"chosen_inline_result": ChosenInlineResult("id", User(1, "", False), "")},
{"shipping_query": ShippingQuery("id", User(1, "", False), "", None)},
{"pre_checkout_query": PreCheckoutQuery("id", User(1, "", False), "", 0, "")},
{"callback_query": CallbackQuery(1, User(1, "", False), "chat")},
]
ids = (
"callback_query",
"inline_query",
"chosen_inline_result",
"shipping_query",
"pre_checkout_query",
"callback_query_without_message",
)
@pytest.fixture(scope="class", params=params, ids=ids)
def false_update(request):
return Update(update_id=1, **request.param)
@pytest.fixture(scope="class")
def message(bot):
message = Message(1, None, Chat(1, ""), from_user=User(1, "", False))
message._unfreeze()
message.chat._unfreeze()
message.set_bot(bot)
return message
class TestMessageHandler:
test_flag = False
SRE_TYPE = type(re.match("", ""))
def test_slot_behaviour(self):
handler = MessageHandler(filters.ALL, self.callback)
for attr in handler.__slots__:
assert getattr(handler, attr, "err") != "err", f"got extra slot '{attr}'"
assert len(mro_slots(handler)) == len(set(mro_slots(handler))), "duplicate slot"
@pytest.fixture(autouse=True)
def _reset(self):
self.test_flag = False
async def callback(self, update, context):
self.test_flag = (
isinstance(context, CallbackContext)
and isinstance(context.bot, Bot)
and isinstance(update, Update)
and isinstance(context.update_queue, asyncio.Queue)
and isinstance(context.job_queue, JobQueue)
and isinstance(context.chat_data, dict)
and isinstance(context.bot_data, dict)
and (
(
isinstance(context.user_data, dict)
and (
isinstance(update.message, Message)
or isinstance(update.edited_message, Message)
)
)
or (
context.user_data is None
and (
isinstance(update.channel_post, Message)
or isinstance(update.edited_channel_post, Message)
)
)
)
)
def callback_regex1(self, update, context):
if context.matches:
types = all(type(res) is self.SRE_TYPE for res in context.matches)
num = len(context.matches) == 1
self.test_flag = types and num
def callback_regex2(self, update, context):
if context.matches:
types = all(type(res) is self.SRE_TYPE for res in context.matches)
num = len(context.matches) == 2
self.test_flag = types and num
def test_with_filter(self, message):
handler = MessageHandler(filters.ChatType.GROUP, self.callback)
message.chat.type = "group"
assert handler.check_update(Update(0, message))
message.chat.type = "private"
assert not handler.check_update(Update(0, message))
def test_callback_query_with_filter(self, message):
class TestFilter(filters.UpdateFilter):
flag = False
def filter(self, u):
self.flag = True
test_filter = TestFilter()
handler = MessageHandler(test_filter, self.callback)
update = Update(1, callback_query=CallbackQuery(1, None, None, message=message))
assert update.effective_message
assert not handler.check_update(update)
assert not test_filter.flag
def test_specific_filters(self, message):
f = (
~filters.UpdateType.MESSAGES
& ~filters.UpdateType.CHANNEL_POST
& filters.UpdateType.EDITED_CHANNEL_POST
)
handler = MessageHandler(f, self.callback)
assert not handler.check_update(Update(0, edited_message=message))
assert not handler.check_update(Update(0, message=message))
assert not handler.check_update(Update(0, channel_post=message))
assert handler.check_update(Update(0, edited_channel_post=message))
def test_other_update_types(self, false_update):
handler = MessageHandler(None, self.callback)
assert not handler.check_update(false_update)
assert not handler.check_update("string")
def test_filters_returns_empty_dict(self):
class DataFilter(MessageFilter):
data_filter = True
def filter(self, msg: Message):
return {}
handler = MessageHandler(DataFilter(), self.callback)
assert handler.check_update(Update(0, message)) is False
async def test_context(self, app, message):
handler = MessageHandler(
None,
self.callback,
)
app.add_handler(handler)
async with app:
await app.process_update(Update(0, message=message))
assert self.test_flag
self.test_flag = False
await app.process_update(Update(0, edited_message=message))
assert self.test_flag
self.test_flag = False
await app.process_update(Update(0, channel_post=message))
assert self.test_flag
self.test_flag = False
await app.process_update(Update(0, edited_channel_post=message))
assert self.test_flag
async def test_context_regex(self, app, message):
handler = MessageHandler(filters.Regex("one two"), self.callback_regex1)
app.add_handler(handler)
async with app:
message.text = "not it"
await app.process_update(Update(0, message))
assert not self.test_flag
message.text += " one two now it is"
await app.process_update(Update(0, message))
assert self.test_flag
async def test_context_multiple_regex(self, app, message):
handler = MessageHandler(filters.Regex("one") & filters.Regex("two"), self.callback_regex2)
app.add_handler(handler)
async with app:
message.text = "not it"
await app.process_update(Update(0, message))
assert not self.test_flag
message.text += " one two now it is"
await app.process_update(Update(0, message))
assert self.test_flag
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