text: #!/usr/bin/env python
  # -*- coding: utf-8 -*-
  #
  #  test_voicemail.py
  #
  #  Copyright 2020 Bruce Schubert  <bruce@emxsys.com>
  #
  #  Permission is hereby granted, free of charge, to any person obtaining a copy
  #  of this software and associated documentation files (the "Software"), to deal
  #  in the Software without restriction, including without limitation the rights
  #  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  #  copies of the Software, and to permit persons to whom the Software is
  #  furnished to do so, subject to the following conditions:
  #
  #  The above copyright notice and this permission notice shall be included in all
  #  copies or substantial portions of the Software.
  #
  #  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  #  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  #  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  #  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  #  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  #  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  #  SOFTWARE.
  
  import os
  import sqlite3
  from tempfile import gettempdir
  
  import pytest
  from unittest import mock
  
  from callattendant.config import Config
  from callattendant.hardware.modem import Modem
  from callattendant.screening.calllogger import CallLogger
  from callattendant.messaging.voicemail import VoiceMail
  
  # Test data
  caller = {"NAME": "Bruce", "NMBR": "1234567890", "DATE": "1012", "TIME": "0600"}
  
  
  @pytest.fixture(scope='module')
  def db():
  
      # Create the test db in RAM
      db = sqlite3.connect(":memory:")
      return db
  
  
  @pytest.fixture(scope='module')
  def config():
  
      # Use a config object with defaults
      config = Config()
      config['DEBUG'] = True
      config['TESTING'] = True
      config['VOICE_MAIL_MESSAGE_FOLDER'] = gettempdir()
      config['GPIO_DISABLED'] = True
  
      return config
  
  
  @pytest.fixture(scope='module')
  def logger(db, config):
  
      logger = CallLogger(db, config)
      return logger
  
  
  @pytest.fixture(scope='module')
  def modem(db, config):
  
      def _fake_record_audio(filename, detect_silence=True):
          _ = open(filename, 'w')
          return True
      modem = mock.create_autospec(Modem)
      modem.record_audio = mock.Mock(side_effect=_fake_record_audio)
      yield modem
      modem.stop()
  
  
  @pytest.fixture(scope='module')
  def voicemail(db, config, modem):
  
      voicemail = VoiceMail(db, config, modem)
      yield voicemail
      voicemail.stop()
  
  
  def test_multiple(voicemail, logger):
  
      call_no = logger.log_caller(caller)
      msg_no = voicemail.record_message(call_no, caller, detect_silence=False)
      assert msg_no > 0
  
      count = voicemail.messages.get_unplayed_count()
      assert count == 1
  
      assert voicemail.delete_message(msg_no)
  