# Copyright 2016 Google Inc. All Rights Reserved.
#
# 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.
"""Tests for glazier.lib.ntp."""
import os
import time
from absl.testing import absltest
from glazier.lib import ntp
import mock
class NtpTest(absltest.TestCase):
@mock.patch.object(ntp.time, 'sleep', autospec=True)
@mock.patch.object(ntp.subprocess, 'call', autospec=True)
@mock.patch.object(ntp.ntplib.NTPClient, 'request', autospec=True)
def testSyncClockToNtp(self, request, subproc, sleep):
os.environ['TZ'] = 'UTC'
time.tzset()
return_time = mock.Mock()
return_time.ref_time = 1453220630.64458
request.side_effect = iter([None, None, None, return_time])
subproc.return_value = True
# Too Few Retries
self.assertRaises(ntp.NtpException, ntp.SyncClockToNtp)
sleep.assert_has_calls([mock.call(30), mock.call(30)])
# Sufficient Retries
ntp.SyncClockToNtp(retries=3, server='time.google.com')
request.assert_called_with(mock.ANY, 'time.google.com', version=3)
subproc.assert_has_calls([
mock.call(
r'X:\Windows\System32\cmd.exe /c date 01-19-2016', shell=True),
mock.call(r'X:\Windows\System32\cmd.exe /c time 16:23:50', shell=True)
])
# Socket Error
request.side_effect = ntp.socket.gaierror
self.assertRaises(ntp.NtpException, ntp.SyncClockToNtp)
# NTP lib error
request.side_effect = ntp.ntplib.NTPException
self.assertRaises(ntp.NtpException, ntp.SyncClockToNtp)
if __name__ == '__main__':
absltest.main()
