95 lines
3.4 KiB
Python
95 lines
3.4 KiB
Python
# Copyright 2014 Cloudbase Solutions Srl
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# 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, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import unittest
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try:
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import unittest.mock as mock
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except ImportError:
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import mock
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import six
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from cloudbaseinit.plugins.common import base
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from cloudbaseinit.plugins.common import mtu
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from cloudbaseinit.utils import dhcp
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@mock.patch('cloudbaseinit.osutils.factory.get_os_utils')
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class MTUPluginTests(unittest.TestCase):
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def setUp(self):
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self._mtu = mtu.MTUPlugin()
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@mock.patch('cloudbaseinit.utils.dhcp.get_dhcp_options')
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def _test_execute(self, mock_get_os_utils,
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mock_get_dhcp_options,
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dhcp_options=None):
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mock_osutils = mock_get_os_utils()
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mock_osutils.get_dhcp_hosts_in_use.return_value = [
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(mock.sentinel.adapter_name1, mock.sentinel.mac_address1,
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mock.sentinel.dhcp_host1),
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(mock.sentinel.adapter_name2, mock.sentinel.mac_address2,
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mock.sentinel.dhcp_host2),
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]
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mock_get_dhcp_options.return_value = dhcp_options
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return_value = self._mtu.execute(mock.sentinel.service,
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mock.sentinel.shared_data)
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expected_dhcp_calls = [
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mock.call(mock.sentinel.dhcp_host1, [dhcp.OPTION_MTU]),
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mock.call(mock.sentinel.dhcp_host2, [dhcp.OPTION_MTU]),
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]
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expected_return_value = (base.PLUGIN_EXECUTE_ON_NEXT_BOOT, False)
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self.assertEqual(expected_dhcp_calls,
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mock_get_dhcp_options.mock_calls)
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self.assertEqual(expected_return_value,
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return_value)
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def test_disabled_use_dhcp(self, mock_get_os_utils):
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with mock.patch('cloudbaseinit.plugins.common.'
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'mtu.CONF') as mock_conf:
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mock_conf.mtu_use_dhcp_config = False
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self._mtu.execute(mock.sentinel.service,
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mock.sentinel.shared_data)
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self.assertFalse(
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mock_get_os_utils().get_dhcp_hosts_in_use.called)
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self.assertFalse(
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mock_get_os_utils().set_network_adapter_mtu.called)
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def test_execute_no_data(self, mock_get_os_utils):
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for data in (None, {None: None}):
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self._test_execute(mock_get_os_utils,
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dhcp_options=data)
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self.assertFalse(mock_get_os_utils().set_network_mtu.called)
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def test_execute_success(self, mock_get_os_utils):
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dhcp_options = {dhcp.OPTION_MTU: six.b("\x00\x04")}
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self._test_execute(mock_get_os_utils,
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dhcp_options=dhcp_options)
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mock_osutils = mock_get_os_utils()
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mocked_calls = [
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mock.call(mock.sentinel.mac_address1, 4),
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mock.call(mock.sentinel.mac_address2, 4),
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]
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self.assertEqual(
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mocked_calls,
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mock_osutils.set_network_adapter_mtu.mock_calls)
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