text: #!/usr/bin/env python
  #
  # A library that provides a Python interface to the Telegram Bot API
  # Copyright (C) 2015-2017
  # 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 General 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 General Public License for more details.
  #
  # You should have received a copy of the GNU General Public License
  # along with this program.  If not, see [http://www.gnu.org/licenses/].
  import pytest
  
  from telegram import Update, CallbackQuery, Bot, Message, User, Chat, InlineQuery, \
      ChosenInlineResult, ShippingQuery, PreCheckoutQuery
  from telegram.ext import CallbackQueryHandler
  
  message = Message(1, User(1, ''), None, Chat(1, ''), text='Text')
  
  params = [
      {'message': message},
      {'edited_message': message},
      {'channel_post': message},
      {'edited_channel_post': message},
      {'inline_query': InlineQuery(1, User(1, ''), '', '')},
      {'chosen_inline_result': ChosenInlineResult('id', User(1, ''), '')},
      {'shipping_query': ShippingQuery('id', User(1, ''), '', None)},
      {'pre_checkout_query': PreCheckoutQuery('id', User(1, ''), '', 0, '')}
  ]
  
  ids = ('message', 'edited_message', 'channel_post',
         'edited_channel_post', 'inline_query', 'chosen_inline_result',
         'shipping_query', 'pre_checkout_query')
  
  
  @pytest.fixture(params=params, ids=ids)
  def false_update(request):
      return Update(update_id=2, **request.param)
  
  
  @pytest.fixture(scope='function')
  def callback_query(bot):
      return Update(0, callback_query=CallbackQuery(2, None, None, data="test data"))
  
  
  class TestCallbackQueryHandler:
      @pytest.fixture(autouse=True)
      def reset(self):
          self.test_flag = False
  
      def cqh_basic_handler(self, bot, update):
          test_bot = isinstance(bot, Bot)
          test_update = isinstance(update, Update)
          self.test_flag = test_bot and test_update
  
      def cqh_data_handler_1(self, bot, update, user_data=None, chat_data=None):
          self.test_flag = (user_data is not None) or (chat_data is not None)
  
      def cqh_data_handler_2(self, bot, update, user_data=None, chat_data=None):
          self.test_flag = (user_data is not None) and (chat_data is not None)
  
      def cqh_queue_handler_1(self, bot, update, job_queue=None, update_queue=None):
          self.test_flag = (job_queue is not None) or (update_queue is not None)
  
      def cqh_queue_handler_2(self, bot, update, job_queue=None, update_queue=None):
          self.test_flag = (job_queue is not None) and (update_queue is not None)
  
      def cqh_group_handler(self, bot, update, groups=None, groupdict=None):
          if groups is not None:
              self.test_flag = groups == ('t', ' data')
          if groupdict is not None:
              self.test_flag = groupdict == {'begin': 't', 'end': ' data'}
  
      def test_basic(self, dp, callback_query):
          handler = CallbackQueryHandler(self.cqh_basic_handler)
          dp.add_handler(handler)
  
          assert handler.check_update(callback_query)
  
          dp.process_update(callback_query)
          assert self.test_flag
  
      def test_with_pattern(self, callback_query):
          handler = CallbackQueryHandler(self.cqh_basic_handler, pattern='.*est.*')
  
          assert handler.check_update(callback_query)
  
          callback_query.callback_query.data = "nothing here"
          assert not handler.check_update(callback_query)
  
      def test_with_passing_group_dict(self, dp, callback_query):
          handler = CallbackQueryHandler(self.cqh_group_handler,
                                         pattern='(?P<begin>.*)est(?P<end>.*)',
                                         pass_groups=True)
          dp.add_handler(handler)
  
          dp.process_update(callback_query)
          assert self.test_flag
  
          dp.remove_handler(handler)
          handler = CallbackQueryHandler(self.cqh_group_handler,
                                         pattern='(?P<begin>.*)est(?P<end>.*)',
                                         pass_groupdict=True)
          dp.add_handler(handler)
  
          self.test_flag = False
          dp.process_update(callback_query)
          assert self.test_flag
  
      def test_pass_user_or_chat_data(self, dp, callback_query):
          handler = CallbackQueryHandler(self.cqh_data_handler_1, pass_user_data=True)
          dp.add_handler(handler)
  
          dp.process_update(callback_query)
          assert self.test_flag
  
          dp.remove_handler(handler)
          handler = CallbackQueryHandler(self.cqh_data_handler_1, pass_chat_data=True)
          dp.add_handler(handler)
  
          self.test_flag = False
          dp.process_update(callback_query)
          assert self.test_flag
  
          dp.remove_handler(handler)
          handler = CallbackQueryHandler(self.cqh_data_handler_2, pass_chat_data=True,
                                         pass_user_data=True)
          dp.add_handler(handler)
  
          self.test_flag = False
          dp.process_update(callback_query)
          assert self.test_flag
  
      def test_pass_job_or_update_queue(self, dp, callback_query):
          handler = CallbackQueryHandler(self.cqh_queue_handler_1, pass_job_queue=True)
          dp.add_handler(handler)
  
          dp.process_update(callback_query)
          assert self.test_flag
  
          dp.remove_handler(handler)
          handler = CallbackQueryHandler(self.cqh_queue_handler_1, pass_update_queue=True)
          dp.add_handler(handler)
  
          self.test_flag = False
          dp.process_update(callback_query)
          assert self.test_flag
  
          dp.remove_handler(handler)
          handler = CallbackQueryHandler(self.cqh_queue_handler_2, pass_job_queue=True,
                                         pass_update_queue=True)
          dp.add_handler(handler)
  
          self.test_flag = False
          dp.process_update(callback_query)
          assert self.test_flag
  
      def test_other_update_types(self, false_update):
          handler = CallbackQueryHandler(self.cqh_basic_handler)
          assert not handler.check_update(false_update)
  