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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, StringRegexHandler
from tests.auxil.slots import mro_slots
message = Message(1, None, Chat(1, ""), from_user=User(1, "", False), text="Text")
params = [
{"message": message},
{"edited_message": message},
{"callback_query": CallbackQuery(1, User(1, "", False), "chat", message=message)},
{"channel_post": message},
{"edited_channel_post": 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 = (
"message",
"edited_message",
"callback_query",
"channel_post",
"edited_channel_post",
"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)
class TestStringRegexHandler:
test_flag = False
def test_slot_behaviour(self):
inst = StringRegexHandler("pfft", self.callback)
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"
@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, str)
and isinstance(context.update_queue, asyncio.Queue)
and isinstance(context.job_queue, JobQueue)
)
async def callback_pattern(self, update, context):
if context.matches[0].groups():
self.test_flag = context.matches[0].groups() == ("t", " message")
if context.matches[0].groupdict():
self.test_flag = context.matches[0].groupdict() == {"begin": "t", "end": " message"}
@pytest.mark.parametrize("compile", [True, False])
async def test_basic(self, app, compile):
pattern = "(?P<begin>.*)est(?P<end>.*)"
if compile:
pattern = re.compile("(?P<begin>.*)est(?P<end>.*)")
handler = StringRegexHandler(pattern, self.callback)
app.add_handler(handler)
assert handler.check_update("test message")
async with app:
await app.process_update("test message")
assert self.test_flag
assert not handler.check_update("does not match")
def test_other_update_types(self, false_update):
handler = StringRegexHandler("test", self.callback)
assert not handler.check_update(false_update)
async def test_context_pattern(self, app):
handler = StringRegexHandler(r"(t)est(.*)", self.callback_pattern)
app.add_handler(handler)
async with app:
await app.process_update("test message")
assert self.test_flag
app.remove_handler(handler)
handler = StringRegexHandler(r"(t)est(.*)", self.callback_pattern)
app.add_handler(handler)
await app.process_update("test message")
assert self.test_flag
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