yardstick/tests/unit/network_services/vnf_generic/vnf/test_tg_pktgen.py

   1 # Copyright (c) 2018 Intel Corporation
   2 #
   3 # Licensed under the Apache License, Version 2.0 (the "License");
   4 # you may not use this file except in compliance with the License.
   5 # You may obtain a copy of the License at
   6 #
   7 #      http://www.apache.org/licenses/LICENSE-2.0
   8 #
   9 # Unless required by applicable law or agreed to in writing, software
  10 # distributed under the License is distributed on an "AS IS" BASIS,
  11 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  12 # See the License for the specific language governing permissions and
  13 # limitations under the License.
  14
  15 import uuid
  16
  17 import mock
  18
  19 from yardstick.common import constants
  20 from yardstick.common import exceptions
  21 from yardstick.network_services.vnf_generic.vnf import base as vnf_base
  22 from yardstick.network_services.vnf_generic.vnf import tg_pktgen
  23 from yardstick.tests.unit import base as ut_base
  24
  25
  26 class PktgenTrafficGenTestCase(ut_base.BaseUnitTestCase):
  27
  28     SERVICE_PORTS = [{'port': constants.LUA_PORT,
  29                       'node_port': '34501'}]
  30     VNFD = {'mgmt-interface': {'ip': '1.2.3.4',
  31                                'service_ports': SERVICE_PORTS},
  32             'vdu': [{'external-interface': 'interface'}],
  33             'benchmark': {'kpi': 'fake_kpi'}
  34             }
  35
  36     def setUp(self):
  37         self._id = uuid.uuid1().int
  38         self._mock_vnf_consumer = mock.patch.object(vnf_base,
  39                                                     'GenericVNFConsumer')
  40         self.mock_vnf_consumer = self._mock_vnf_consumer.start()
  41         self.addCleanup(self._stop_mock)
  42
  43     def _stop_mock(self):
  44         self._mock_vnf_consumer.stop()
  45
  46     def test__init(self):
  47         tg = tg_pktgen.PktgenTrafficGen('name1', self.VNFD, self._id)
  48         self.assertTrue(isinstance(tg, (vnf_base.GenericTrafficGen,
  49                                         vnf_base.GenericVNFEndpoint)))
  50
  51     def test_run_traffic(self):
  52         tg = tg_pktgen.PktgenTrafficGen('name1', self.VNFD, self._id)
  53         mock_tp = mock.Mock()
  54         with mock.patch.object(tg, '_is_running', return_value=True):
  55             tg.run_traffic(mock_tp)
  56
  57         mock_tp.init.assert_called_once_with(tg._node_ip, tg._lua_node_port)
  58
  59     def test__get_lua_node_port(self):
  60         tg = tg_pktgen.PktgenTrafficGen('name1', self.VNFD, self._id)
  61         service_ports = [{'port': constants.LUA_PORT,
  62                           'node_port': '12345'}]
  63         self.assertEqual(12345, tg._get_lua_node_port(service_ports))
  64
  65     def test__get_lua_node_port_no_lua_port(self):
  66         tg = tg_pktgen.PktgenTrafficGen('name1', self.VNFD, self._id)
  67         service_ports = [{'port': '333'}]
  68         self.assertIsNone(tg._get_lua_node_port(service_ports))
  69
  70     def test__is_running(self):
  71         tg = tg_pktgen.PktgenTrafficGen('name1', self.VNFD, self._id)
  72         with mock.patch.object(tg, '_traffic_profile'):
  73             self.assertTrue(tg._is_running())
  74
  75     def test__is_running_exception(self):
  76         tg = tg_pktgen.PktgenTrafficGen('name1', self.VNFD, self._id)
  77         with mock.patch.object(tg, '_traffic_profile') as mock_tp:
  78             mock_tp.help.side_effect = exceptions.PktgenActionError()
  79             self.assertFalse(tg._is_running())