6aa9de447e
Now that we no longer support py27, we can use the standard library unittest.mock module instead of the third party mock lib. Change-Id: Ibb42643faf23bba4a91019b87e7d23e8b36ce1a7
178 lines
6.7 KiB
Python
178 lines
6.7 KiB
Python
# (c) Copyright 2014,2015 Hewlett-Packard Development Company, L.P.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import signal
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import unittest
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from unittest import mock
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from unittest.mock import patch
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from freezer.scheduler import daemon
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class TestNoDaemon(unittest.TestCase):
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@patch('freezer.scheduler.daemon.signal')
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def setUp(self, mock_signal):
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self.daemonizable = mock.Mock()
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self.daemon = daemon.NoDaemon(daemonizable=self.daemonizable)
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def test_create(self):
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self.assertIsInstance(self.daemon, daemon.NoDaemon)
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def test_exit_handler(self):
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daemon.NoDaemon.exit_flag = False
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self.daemon.handle_program_exit(33, None)
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self.assertEqual(daemon.NoDaemon.exit_flag, True)
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self.assertTrue(self.daemonizable.stop.called)
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def test_reload_handler(self):
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daemon.NoDaemon.exit_flag = False
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self.daemon.handle_reload(33, None)
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self.assertEqual(daemon.NoDaemon.exit_flag, False)
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self.assertTrue(self.daemonizable.reload.called)
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def test_start_exit_ok(self):
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daemon.NoDaemon.exit_flag = False
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res = self.daemon.start(dump_stack_trace=False)
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self.assertIsNone(res)
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self.assertEqual(daemon.NoDaemon.exit_flag, True)
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self.assertTrue(self.daemonizable.start.called)
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#
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# @patch('freezer.scheduler.daemon.logging')
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# def test_start_restarts_daemonizable_on_Exception(self, mock_logging):
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# daemon.NoDaemon.exit_flag = False
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# self.daemonizable.start.side_effect = [Exception('test'),
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# lambda: DEFAULT]
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#
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# res = self.daemon.start(log_file=None, dump_stack_trace=True)
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#
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# self.assertIsNone(res)
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# self.assertEqual(daemon.NoDaemon.exit_flag, True)
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# self.assertEqual(self.daemonizable.start.call_count, 2)
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# self.assertTrue(mock_logging.error.called)
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def test_has_stop_method(self):
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res = self.daemon.stop()
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self.assertIsNone(res)
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def test_has_status_method(self):
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res = self.daemon.status()
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self.assertIsNone(res)
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class TestDaemon(unittest.TestCase):
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def setUp(self):
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self.daemonizable = mock.Mock()
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self.daemon = daemon.Daemon(daemonizable=self.daemonizable)
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def test_create(self):
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self.assertIsInstance(self.daemon, daemon.Daemon)
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def test_handle_program_exit_calls_scheduler_stop(self):
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self.daemon.handle_program_exit(mock.Mock(), mock.Mock())
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self.daemonizable.stop.assert_called_with()
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def test_handle_program_reload_calls_scheduler_reload(self):
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self.daemon.handle_reload(mock.Mock(), mock.Mock())
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self.daemonizable.reload.assert_called_with()
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def test_signal_map_handlers(self):
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signal_map = self.daemon.signal_map
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self.assertEqual(self.daemon.handle_program_exit,
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signal_map[signal.SIGTERM])
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self.assertEqual(self.daemon.handle_reload, signal_map[signal.SIGHUP])
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@patch('freezer.scheduler.daemon.gettempdir')
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@patch('freezer.scheduler.daemon.os.path.expanduser')
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def test_pid_fname_in_tempdir(self, mock_expanduser, mock_gettempdir):
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mock_expanduser.return_value = '/home/chet'
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mock_gettempdir.return_value = '/tempus_fugit'
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retval = self.daemon.pid_fname
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self.assertEqual('/tempus_fugit/freezer_sched_chet.pid', retval)
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@patch('freezer.scheduler.daemon.os.path.isfile')
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def test_pid_not_exists(self, mock_isfile):
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mock_isfile.return_value = False
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res = self.daemon.pid
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self.assertIsNone(res)
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# @patch('freezer.scheduler.daemon.os.path.isfile')
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# def test_pid_exists(self, mock_isfile):
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# mock_isfile.return_value = True
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# pid_file_text = "125"
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# mocked_open_function = mock_open(read_data=pid_file_text)
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#
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# with patch("__builtin__.open", mocked_open_function):
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# res = self.daemon.pid
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#
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# self.assertEqual(res, 125)
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@patch('freezer.scheduler.daemon.PidFile')
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@patch('freezer.scheduler.daemon.DaemonContext')
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def test_start(self, mock_DaemonContext, mock_PidFile):
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daemon.Daemon.exit_flag = False
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res = self.daemon.start()
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self.assertIsNone(res)
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self.assertEqual(daemon.Daemon.exit_flag, True)
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self.assertTrue(self.daemonizable.start.called)
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# @patch('freezer.scheduler.daemon.logging')
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# @patch('freezer.scheduler.daemon.PidFile')
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# @patch('freezer.scheduler.daemon.DaemonContext')
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# def test_start_restarts_daemonizable_on_Exception(
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# self, mock_DaemonContext, mock_PidFile, mock_logging):
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# daemon.Daemon.exit_flag = False
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# self.daemonizable.start.side_effect = [Exception('test'),
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# lambda: DEFAULT]
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#
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# res = self.daemon.start(log_file=None, dump_stack_trace=True)
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#
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# self.assertIsNone(res)
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# self.assertEqual(daemon.Daemon.exit_flag, True)
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# self.assertEqual(self.daemonizable.start.call_count, 2)
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# self.assertTrue(mock_logging.error.called)
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#
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# @patch('freezer.scheduler.daemon.os')
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# def test_stop_not_existing(self, mock_os):
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# self.daemon.pid = None
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# self.daemon.stop()
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# self.assertFalse(mock_os.kill.called)
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#
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# @patch('freezer.scheduler.daemon.os')
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# def test_stop_existing(self, mock_os):
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# self.daemon.pid = 33
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# self.daemon.stop()
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# mock_os.kill.assert_called_once_with(33, signal.SIGTERM)
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#
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# @patch('freezer.scheduler.daemon.os')
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# def test_reload_not_existing(self, mock_os):
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# self.daemon.pid = None
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# self.daemon.reload()
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# self.assertFalse(mock_os.kill.called)
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#
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# @patch('freezer.scheduler.daemon.os')
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# def test_reload_existing(self, mock_os):
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# self.daemon.pid = 33
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# self.daemon.reload()
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# mock_os.kill.assert_called_once_with(33, signal.SIGHUP)
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#
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# def test_status_not_existing(self):
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# self.daemon.pid = None
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# res = self.daemon.status()
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# self.assertIsNone(res)
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#
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# def test_status_existing(self):
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# self.daemon.pid = 33
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# res = self.daemon.status()
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# self.assertIsNone(res)
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