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#!/usr/bin/python
# 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.
"""Unittest for network_setup.py module."""
import subprocess
from google_compute_engine.networking.network_setup import network_setup
from google_compute_engine.test_compat import mock
from google_compute_engine.test_compat import unittest
class NetworkSetupTest(unittest.TestCase):
def setUp(self):
self.mock_logger = mock.Mock()
self.mock_distro_utils = mock.Mock()
self.mock_setup = mock.create_autospec(network_setup.NetworkSetup)
self.mock_setup.logger = self.mock_logger
self.mock_setup.distro_utils = self.mock_distro_utils
self.mock_setup.dhclient_script = '/bin/script'
self.mock_setup.dhcp_command = ''
@mock.patch('google_compute_engine.networking.network_setup.network_setup.logger')
def testNetworkSetup(self, mock_logger):
mock_logger_instance = mock.Mock()
mock_logger.Logger.return_value = mock_logger_instance
mocks = mock.Mock()
mocks.attach_mock(mock_logger, 'logger')
with mock.patch.object(
network_setup.NetworkSetup, 'EnableNetworkInterfaces'):
network_setup.NetworkSetup(['A', 'B'], debug=True)
expected_calls = [
mock.call.logger.Logger(name=mock.ANY, debug=True, facility=mock.ANY),
]
self.assertEqual(mocks.mock_calls, expected_calls)
@mock.patch('google_compute_engine.networking.network_setup.network_setup.subprocess.check_call')
def testEnableNetworkInterfaces(self, mock_call):
mocks = mock.Mock()
mocks.attach_mock(mock_call, 'call')
mocks.attach_mock(self.mock_logger, 'logger')
mocks.attach_mock(
self.mock_setup.distro_utils.EnableNetworkInterfaces, 'enable')
mock_call.side_effect = [None, subprocess.CalledProcessError(1, 'Test')]
# Return immediately with fewer than two interfaces.
network_setup.NetworkSetup.EnableNetworkInterfaces(self.mock_setup, None)
network_setup.NetworkSetup.EnableNetworkInterfaces(self.mock_setup, [])
# Enable interfaces.
network_setup.NetworkSetup.EnableNetworkInterfaces(
self.mock_setup, ['A', 'B'])
self.assertEqual(self.mock_setup.interfaces, set(['A', 'B']))
# Add a new interface.
network_setup.NetworkSetup.EnableNetworkInterfaces(
self.mock_setup, ['A', 'B', 'C'])
self.assertEqual(self.mock_setup.interfaces, set(['A', 'B', 'C']))
# Interfaces are already enabled.
network_setup.NetworkSetup.EnableNetworkInterfaces(
self.mock_setup, ['A', 'B', 'C'])
self.assertEqual(self.mock_setup.interfaces, set(['A', 'B', 'C']))
# Run a user supplied command successfully.
self.mock_setup.dhcp_command = 'success'
network_setup.NetworkSetup.EnableNetworkInterfaces(
self.mock_setup, ['D', 'E'])
self.assertEqual(self.mock_setup.interfaces, set(['D', 'E']))
# Run a user supplied command and logger error messages.
self.mock_setup.dhcp_command = 'failure'
network_setup.NetworkSetup.EnableNetworkInterfaces(
self.mock_setup, ['F', 'G'])
self.assertEqual(self.mock_setup.interfaces, set(['F', 'G']))
expected_calls = [
mock.call.logger.info(mock.ANY, ['A', 'B']),
mock.call.enable(['A', 'B'], mock.ANY, dhclient_script='/bin/script'),
mock.call.logger.info(mock.ANY, ['A', 'B', 'C']),
mock.call.enable(
['A', 'B', 'C'], mock.ANY, dhclient_script='/bin/script'),
mock.call.logger.info(mock.ANY, ['D', 'E']),
mock.call.call(['success']),
mock.call.logger.info(mock.ANY, ['F', 'G']),
mock.call.call(['failure']),
mock.call.logger.warning(mock.ANY),
]
self.assertEqual(mocks.mock_calls, expected_calls)
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