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import unittest
try:
from unittest import mock
except ImportError:
import mock
from crmsh import watchdog
from crmsh import bootstrap
from crmsh import constants
class TestWatchdog(unittest.TestCase):
"""
Unitary tests for crmsh.watchdog.Watchdog
"""
@classmethod
def setUpClass(cls):
"""
Global setUp.
"""
def setUp(self):
"""
Test setUp.
"""
self.watchdog_inst = watchdog.Watchdog()
self.watchdog_join_inst = watchdog.Watchdog(remote_user="alice", peer_host="node1")
def tearDown(self):
"""
Test tearDown.
"""
@classmethod
def tearDownClass(cls):
"""
Global tearDown.
"""
def test_watchdog_device_name(self):
res = self.watchdog_inst.watchdog_device_name
assert res is None
@mock.patch('crmsh.sh.ShellUtils.get_stdout_stderr')
def test_verify_watchdog_device_ignore_error(self, mock_run):
mock_run.return_value = (1, None, "error")
res = self.watchdog_inst._verify_watchdog_device("/dev/watchdog", True)
self.assertEqual(res, False)
mock_run.assert_called_once_with("wdctl /dev/watchdog")
@mock.patch('crmsh.utils.fatal')
@mock.patch('crmsh.sh.ShellUtils.get_stdout_stderr')
def test_verify_watchdog_device_error(self, mock_run, mock_error):
mock_run.return_value = (1, None, "error")
mock_error.side_effect = ValueError
with self.assertRaises(ValueError) as err:
self.watchdog_inst._verify_watchdog_device("/dev/watchdog")
mock_error.assert_called_once_with("Invalid watchdog device /dev/watchdog: error")
mock_run.assert_called_once_with("wdctl /dev/watchdog")
@mock.patch('crmsh.sh.ShellUtils.get_stdout_stderr')
def test_verify_watchdog_device(self, mock_run):
mock_run.return_value = (0, None, None)
res = self.watchdog_inst._verify_watchdog_device("/dev/watchdog")
self.assertEqual(res, True)
@mock.patch('crmsh.watchdog.invoke')
def test_load_watchdog_driver(self, mock_invoke):
self.watchdog_inst._load_watchdog_driver("softdog")
mock_invoke.assert_has_calls([
mock.call("echo softdog > /etc/modules-load.d/watchdog.conf"),
mock.call("systemctl restart systemd-modules-load")
])
@mock.patch('crmsh.utils.parse_sysconfig')
def test_get_watchdog_device_from_sbd_config(self, mock_parse):
mock_parse_inst = mock.Mock()
mock_parse.return_value = mock_parse_inst
mock_parse_inst.get.return_value = "/dev/watchdog"
res = self.watchdog_inst._get_watchdog_device_from_sbd_config()
self.assertEqual(res, "/dev/watchdog")
mock_parse.assert_called_once_with(bootstrap.SYSCONFIG_SBD)
@mock.patch('crmsh.sh.ShellUtils.get_stdout_stderr')
def test_driver_is_loaded(self, mock_run):
output = """
button 24576 0
softdog 16384 2
btrfs 1474560 1
"""
mock_run.return_value = (0, output, None)
res = self.watchdog_inst._driver_is_loaded("softdog")
assert res is not None
mock_run.assert_called_once_with("lsmod")
@mock.patch('crmsh.utils.fatal')
@mock.patch('crmsh.sh.ShellUtils.get_stdout_stderr')
def test_set_watchdog_info_error(self, mock_run, mock_error):
mock_run.return_value = (1, None, "error")
mock_error.side_effect = ValueError
with self.assertRaises(ValueError):
self.watchdog_inst._set_watchdog_info()
mock_run.assert_called_once_with(watchdog.Watchdog.QUERY_CMD)
mock_error.assert_called_once_with("Failed to run {}: error".format(watchdog.Watchdog.QUERY_CMD))
@mock.patch('crmsh.sh.ShellUtils.get_stdout_stderr')
def test_set_watchdog_info(self, mock_run):
output = """
Discovered 3 watchdog devices:
[1] /dev/watchdog
Identity: Software Watchdog
Driver: softdog
CAUTION: Not recommended for use with sbd.
[2] /dev/watchdog0
Identity: Software Watchdog
Driver: softdog
CAUTION: Not recommended for use with sbd.
[3] /dev/watchdog1
Identity: iTCO_wdt
Driver: iTCO_wdt
"""
mock_run.return_value = (0, output, None)
self.watchdog_inst._set_watchdog_info()
self.assertEqual(self.watchdog_inst._watchdog_info_dict, {'/dev/watchdog': 'softdog', '/dev/watchdog0': 'softdog', '/dev/watchdog1': 'iTCO_wdt'})
@mock.patch('crmsh.watchdog.Watchdog._verify_watchdog_device')
def test_get_device_through_driver_none(self, mock_verify):
self.watchdog_inst._watchdog_info_dict = {'/dev/watchdog': 'softdog', '/dev/watchdog0': 'softdog', '/dev/watchdog1': 'iTCO_wdt'}
mock_verify.return_value = False
res = self.watchdog_inst._get_device_through_driver("iTCO_wdt")
self.assertEqual(res, None)
mock_verify.assert_called_once_with("/dev/watchdog1")
@mock.patch('crmsh.watchdog.Watchdog._verify_watchdog_device')
def test_get_device_through_driver(self, mock_verify):
self.watchdog_inst._watchdog_info_dict = {'/dev/watchdog': 'softdog', '/dev/watchdog0': 'softdog', '/dev/watchdog1': 'iTCO_wdt'}
mock_verify.return_value = True
res = self.watchdog_inst._get_device_through_driver("iTCO_wdt")
self.assertEqual(res, "/dev/watchdog1")
mock_verify.assert_called_once_with("/dev/watchdog1")
@mock.patch('crmsh.utils.fatal')
@mock.patch('crmsh.sh.ShellUtils.get_stdout_stderr')
def test_get_driver_through_device_remotely_error(self, mock_run, mock_error):
mock_run.return_value = (1, None, "error")
self.watchdog_join_inst._get_driver_through_device_remotely("test")
mock_run.assert_called_once_with("ssh {} alice@node1 sudo sbd query-watchdog".format(constants.SSH_OPTION))
mock_error.assert_called_once_with("Failed to run sudo sbd query-watchdog remotely: error")
@mock.patch('crmsh.sh.ShellUtils.get_stdout_stderr')
def test_get_driver_through_device_remotely_none(self, mock_run):
mock_run.return_value = (0, "data", None)
res = self.watchdog_join_inst._get_driver_through_device_remotely("/dev/watchdog")
self.assertEqual(res, None)
mock_run.assert_called_once_with("ssh {} alice@node1 sudo sbd query-watchdog".format(constants.SSH_OPTION))
@mock.patch('crmsh.sh.ShellUtils.get_stdout_stderr')
def test_get_driver_through_device_remotely(self, mock_run):
output = """
Discovered 3 watchdog devices:
[1] /dev/watchdog
Identity: Software Watchdog
Driver: softdog
CAUTION: Not recommended for use with sbd.
[2] /dev/watchdog0
Identity: Software Watchdog
Driver: softdog
CAUTION: Not recommended for use with sbd.
[3] /dev/watchdog1
Identity: iTCO_wdt
Driver: iTCO_wdt
"""
mock_run.return_value = (0, output, None)
res = self.watchdog_join_inst._get_driver_through_device_remotely("/dev/watchdog")
self.assertEqual(res, "softdog")
mock_run.assert_called_once_with("ssh {} alice@node1 sudo sbd query-watchdog".format(constants.SSH_OPTION))
def test_get_first_unused_device_none(self):
res = self.watchdog_inst._get_first_unused_device()
self.assertEqual(res, None)
@mock.patch('crmsh.watchdog.Watchdog._verify_watchdog_device')
def test_get_first_unused_device(self, mock_verify):
mock_verify.return_value = True
self.watchdog_inst._watchdog_info_dict = {'/dev/watchdog': 'softdog', '/dev/watchdog0': 'softdog', '/dev/watchdog1': 'iTCO_wdt'}
res = self.watchdog_inst._get_first_unused_device()
self.assertEqual(res, "/dev/watchdog")
mock_verify.assert_called_once_with("/dev/watchdog", ignore_error=True)
@mock.patch('crmsh.watchdog.Watchdog._get_first_unused_device')
@mock.patch('crmsh.watchdog.Watchdog._verify_watchdog_device')
@mock.patch('crmsh.watchdog.Watchdog._get_watchdog_device_from_sbd_config')
def test_set_input_from_config(self, mock_from_config, mock_verify, mock_first):
mock_from_config.return_value = "/dev/watchdog"
mock_verify.return_value = True
self.watchdog_inst._set_input()
mock_first.assert_not_called()
mock_from_config.assert_called_once_with()
@mock.patch('crmsh.watchdog.Watchdog._get_first_unused_device')
@mock.patch('crmsh.watchdog.Watchdog._verify_watchdog_device')
@mock.patch('crmsh.watchdog.Watchdog._get_watchdog_device_from_sbd_config')
def test_set_input(self, mock_from_config, mock_verify, mock_first):
mock_from_config.return_value = None
mock_first.return_value = None
self.watchdog_inst._set_input()
self.assertEqual(self.watchdog_inst._input, "softdog")
mock_from_config.assert_called_once_with()
mock_verify.assert_not_called()
mock_first.assert_called_once_with()
def test_valid_device_false(self):
res = self.watchdog_inst._valid_device("test")
self.assertEqual(res, False)
@mock.patch('crmsh.watchdog.Watchdog._verify_watchdog_device')
def test_valid_device(self, mock_verify):
mock_verify.return_value = True
self.watchdog_inst._watchdog_info_dict = {'/dev/watchdog': 'softdog', '/dev/watchdog0': 'softdog', '/dev/watchdog1': 'iTCO_wdt'}
res = self.watchdog_inst._valid_device("/dev/watchdog")
self.assertEqual(res, True)
@mock.patch('crmsh.utils.fatal')
@mock.patch('crmsh.watchdog.Watchdog._get_watchdog_device_from_sbd_config')
@mock.patch('crmsh.watchdog.Watchdog._set_watchdog_info')
def test_join_watchdog_error(self, mock_set_info, mock_from_config, mock_error):
mock_from_config.return_value = None
mock_error.side_effect = SystemExit
with self.assertRaises(SystemExit):
self.watchdog_join_inst.join_watchdog()
mock_set_info.assert_called_once_with()
mock_from_config.assert_called_once_with()
mock_error.assert_called_once_with("Failed to get watchdog device from {}".format(bootstrap.SYSCONFIG_SBD))
@mock.patch('crmsh.watchdog.Watchdog._load_watchdog_driver')
@mock.patch('crmsh.watchdog.Watchdog._get_driver_through_device_remotely')
@mock.patch('crmsh.watchdog.Watchdog._valid_device')
@mock.patch('crmsh.watchdog.Watchdog._get_watchdog_device_from_sbd_config')
@mock.patch('crmsh.watchdog.Watchdog._set_watchdog_info')
def test_join_watchdog(self, mock_set_info, mock_from_config, mock_valid, mock_get_driver_remotely, mock_load):
mock_from_config.return_value = "/dev/watchdog"
mock_valid.return_value = False
mock_get_driver_remotely.return_value = "softdog"
self.watchdog_join_inst.join_watchdog()
mock_set_info.assert_called_once_with()
mock_from_config.assert_called_once_with()
mock_valid.assert_called_once_with("/dev/watchdog")
mock_get_driver_remotely.assert_called_once_with("/dev/watchdog")
mock_load.assert_called_once_with("softdog")
@mock.patch('crmsh.watchdog.invokerc')
@mock.patch('crmsh.watchdog.Watchdog._valid_device')
@mock.patch('crmsh.watchdog.Watchdog._set_input')
@mock.patch('crmsh.watchdog.Watchdog._set_watchdog_info')
def test_init_watchdog_valid(self, mock_set_info, mock_set_input, mock_valid, mock_invokerc):
mock_valid.return_value = True
self.watchdog_inst._input = "/dev/watchdog"
self.watchdog_inst.init_watchdog()
mock_invokerc.assert_not_called()
mock_valid.assert_called_once_with("/dev/watchdog")
@mock.patch('crmsh.utils.fatal')
@mock.patch('crmsh.watchdog.invokerc')
@mock.patch('crmsh.watchdog.Watchdog._valid_device')
@mock.patch('crmsh.watchdog.Watchdog._set_input')
@mock.patch('crmsh.watchdog.Watchdog._set_watchdog_info')
def test_init_watchdog_error(self, mock_set_info, mock_set_input, mock_valid, mock_invokerc, mock_error):
mock_valid.return_value = False
mock_invokerc.return_value = False
self.watchdog_inst._input = "test"
mock_error.side_effect = SystemExit
with self.assertRaises(SystemExit):
self.watchdog_inst.init_watchdog()
mock_valid.assert_called_once_with("test")
mock_invokerc.assert_called_once_with("modinfo test")
mock_error.assert_called_once_with("Should provide valid watchdog device or driver name by -w option")
@mock.patch('crmsh.watchdog.Watchdog._get_device_through_driver')
@mock.patch('crmsh.watchdog.Watchdog._load_watchdog_driver')
@mock.patch('crmsh.watchdog.Watchdog._driver_is_loaded')
@mock.patch('crmsh.watchdog.invokerc')
@mock.patch('crmsh.watchdog.Watchdog._valid_device')
@mock.patch('crmsh.watchdog.Watchdog._set_input')
@mock.patch('crmsh.watchdog.Watchdog._set_watchdog_info')
def test_init_watchdog(self, mock_set_info, mock_set_input, mock_valid, mock_invokerc, mock_is_loaded, mock_load, mock_get_device):
mock_valid.return_value = False
self.watchdog_inst._input = "softdog"
mock_invokerc.return_value = True
mock_is_loaded.return_value = False
mock_get_device.return_value = "/dev/watchdog"
self.watchdog_inst.init_watchdog()
mock_valid.assert_called_once_with("softdog")
mock_invokerc.assert_called_once_with("modinfo softdog")
mock_is_loaded.assert_called_once_with("softdog")
mock_load.assert_called_once_with("softdog")
mock_set_info.assert_has_calls([mock.call(), mock.call()])
mock_get_device.assert_called_once_with("softdog")
|
