# (c) Copyright 2014,2015 Hewlett-Packard Development Company, L.P.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import signal
import unittest
import mock
from mock import patch
from freezer.scheduler import daemon
[docs]class TestNoDaemon(unittest.TestCase):
@patch('freezer.scheduler.daemon.signal')
[docs] def setUp(self, mock_signal):
self.daemonizable = mock.Mock()
self.daemon = daemon.NoDaemon(daemonizable=self.daemonizable)
[docs] def test_create(self):
self.assertIsInstance(self.daemon, daemon.NoDaemon)
[docs] def test_exit_handler(self):
daemon.NoDaemon.exit_flag = False
self.daemon.handle_program_exit(33, None)
self.assertEqual(daemon.NoDaemon.exit_flag, True)
self.assertTrue(self.daemonizable.stop.called)
[docs] def test_reload_handler(self):
daemon.NoDaemon.exit_flag = False
self.daemon.handle_reload(33, None)
self.assertEqual(daemon.NoDaemon.exit_flag, False)
self.assertTrue(self.daemonizable.reload.called)
[docs] def test_start_exit_ok(self):
daemon.NoDaemon.exit_flag = False
res = self.daemon.start(dump_stack_trace=False)
self.assertIsNone(res)
self.assertEqual(daemon.NoDaemon.exit_flag, True)
self.assertTrue(self.daemonizable.start.called)
#
# @patch('freezer.scheduler.daemon.logging')
# def test_start_restarts_daemonizable_on_Exception(self, mock_logging):
# daemon.NoDaemon.exit_flag = False
# self.daemonizable.start.side_effect = [Exception('test'),
# lambda: DEFAULT]
#
# res = self.daemon.start(log_file=None, dump_stack_trace=True)
#
# self.assertIsNone(res)
# self.assertEqual(daemon.NoDaemon.exit_flag, True)
# self.assertEqual(self.daemonizable.start.call_count, 2)
# self.assertTrue(mock_logging.error.called)
[docs] def test_has_stop_method(self):
res = self.daemon.stop()
self.assertIsNone(res)
[docs] def test_has_status_method(self):
res = self.daemon.status()
self.assertIsNone(res)
[docs]class TestDaemon(unittest.TestCase):
[docs] def setUp(self):
self.daemonizable = mock.Mock()
self.daemon = daemon.Daemon(daemonizable=self.daemonizable)
[docs] def test_create(self):
self.assertIsInstance(self.daemon, daemon.Daemon)
[docs] def test_handle_program_exit_calls_scheduler_stop(self):
self.daemon.handle_program_exit(mock.Mock(), mock.Mock())
self.daemonizable.stop.assert_called_with()
[docs] def test_handle_program_reload_calls_scheduler_reload(self):
self.daemon.handle_reload(mock.Mock(), mock.Mock())
self.daemonizable.reload.assert_called_with()
[docs] def test_signal_map_handlers(self):
signal_map = self.daemon.signal_map
self.assertEqual(self.daemon.handle_program_exit,
signal_map[signal.SIGTERM])
self.assertEqual(self.daemon.handle_reload, signal_map[signal.SIGHUP])
@patch('freezer.scheduler.daemon.gettempdir')
@patch('freezer.scheduler.daemon.os.path.expanduser')
[docs] def test_pid_fname_in_tempdir(self, mock_expanduser, mock_gettempdir):
mock_expanduser.return_value = '/home/chet'
mock_gettempdir.return_value = '/tempus_fugit'
retval = self.daemon.pid_fname
self.assertEqual('/tempus_fugit/freezer_sched_chet.pid', retval)
@patch('freezer.scheduler.daemon.os.path.isfile')
[docs] def test_pid_not_exists(self, mock_isfile):
mock_isfile.return_value = False
res = self.daemon.pid
self.assertIsNone(res)
# @patch('freezer.scheduler.daemon.os.path.isfile')
# def test_pid_exists(self, mock_isfile):
# mock_isfile.return_value = True
# pid_file_text = "125"
# mocked_open_function = mock_open(read_data=pid_file_text)
#
# with patch("__builtin__.open", mocked_open_function):
# res = self.daemon.pid
#
# self.assertEqual(res, 125)
@patch('freezer.scheduler.daemon.PidFile')
@patch('freezer.scheduler.daemon.DaemonContext')
[docs] def test_start(self, mock_DaemonContext, mock_PidFile):
daemon.Daemon.exit_flag = False
res = self.daemon.start()
self.assertIsNone(res)
self.assertEqual(daemon.Daemon.exit_flag, True)
self.assertTrue(self.daemonizable.start.called)
# @patch('freezer.scheduler.daemon.logging')
# @patch('freezer.scheduler.daemon.PidFile')
# @patch('freezer.scheduler.daemon.DaemonContext')
# def test_start_restarts_daemonizable_on_Exception(
# self, mock_DaemonContext, mock_PidFile, mock_logging):
# daemon.Daemon.exit_flag = False
# self.daemonizable.start.side_effect = [Exception('test'),
# lambda: DEFAULT]
#
# res = self.daemon.start(log_file=None, dump_stack_trace=True)
#
# self.assertIsNone(res)
# self.assertEqual(daemon.Daemon.exit_flag, True)
# self.assertEqual(self.daemonizable.start.call_count, 2)
# self.assertTrue(mock_logging.error.called)
#
# @patch('freezer.scheduler.daemon.os')
# def test_stop_not_existing(self, mock_os):
# self.daemon.pid = None
# self.daemon.stop()
# self.assertFalse(mock_os.kill.called)
#
# @patch('freezer.scheduler.daemon.os')
# def test_stop_existing(self, mock_os):
# self.daemon.pid = 33
# self.daemon.stop()
# mock_os.kill.assert_called_once_with(33, signal.SIGTERM)
#
# @patch('freezer.scheduler.daemon.os')
# def test_reload_not_existing(self, mock_os):
# self.daemon.pid = None
# self.daemon.reload()
# self.assertFalse(mock_os.kill.called)
#
# @patch('freezer.scheduler.daemon.os')
# def test_reload_existing(self, mock_os):
# self.daemon.pid = 33
# self.daemon.reload()
# mock_os.kill.assert_called_once_with(33, signal.SIGHUP)
#
# def test_status_not_existing(self):
# self.daemon.pid = None
# res = self.daemon.status()
# self.assertIsNone(res)
#
# def test_status_existing(self):
# self.daemon.pid = 33
# res = self.daemon.status()
# self.assertIsNone(res)