python-telegram-bot/tests/test_request.py

#!/usr/bin/env python
#
# A library that provides a Python interface to the Telegram Bot API
# Copyright (C) 2015-2022
# 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 pathlib import Path

import pytest

from telegram.error import TelegramError
from telegram.request import Request


def test_slot_behaviour(mro_slots):
    inst = Request()
    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_replaced_unprintable_char():
    """
    Clients can send arbitrary bytes in callback data.
    Make sure the correct error is raised in this case.
    """
    server_response = b'{"invalid utf-8": "\x80", "result": "KUKU"}'

    assert Request._parse(server_response) == 'KUKU'


def test_parse_illegal_json():
    """
    Clients can send arbitrary bytes in callback data.
    Make sure the correct error is raised in this case.
    """
    server_response = b'{"invalid utf-8": "\x80", result: "KUKU"}'

    with pytest.raises(TelegramError, match='Invalid server response'):
        Request._parse(server_response)


@pytest.mark.parametrize(
    "destination_path_type",
    [str, Path],
    ids=['str destination_path', 'pathlib.Path destination_path'],
)
def test_download(destination_path_type):
    destination_filepath = Path.cwd() / 'tests' / 'data' / 'downloaded_request.txt'
    request = Request()
    request.download("http://google.com", destination_path_type(destination_filepath))
    assert destination_filepath.is_file()
    destination_filepath.unlink()