tests/unit/benchmark/scenarios/networking/test_vnf_generic.py

   1 #!/usr/bin/env python
   2
   3 # Copyright (c) 2016-2017 Intel Corporation
   4 #
   5 # Licensed under the Apache License, Version 2.0 (the "License");
   6 # you may not use this file except in compliance with the License.
   7 # You may obtain a copy of the License at
   8 #
   9 #      http://www.apache.org/licenses/LICENSE-2.0
  10 #
  11 # Unless required by applicable law or agreed to in writing, software
  12 # distributed under the License is distributed on an "AS IS" BASIS,
  13 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14 # See the License for the specific language governing permissions and
  15 # limitations under the License.
  16 #
  17
  18 # Unittest for yardstick.benchmark.scenarios.networking.test_vnf_generic
  19
  20 from __future__ import absolute_import
  21
  22 import os
  23 import unittest
  24
  25 import mock
  26
  27 from yardstick.benchmark.scenarios.networking.vnf_generic import \
  28     SshManager, NetworkServiceTestCase, IncorrectConfig, IncorrectSetup
  29 from yardstick.network_services.collector.subscriber import Collector
  30 from yardstick.network_services.vnf_generic.vnf.base import \
  31     GenericTrafficGen, GenericVNF
  32
  33 STL_MOCKS = {
  34     'stl': mock.MagicMock(),
  35     'stl.trex_stl_lib': mock.MagicMock(),
  36     'stl.trex_stl_lib.base64': mock.MagicMock(),
  37     'stl.trex_stl_lib.binascii': mock.MagicMock(),
  38     'stl.trex_stl_lib.collections': mock.MagicMock(),
  39     'stl.trex_stl_lib.copy': mock.MagicMock(),
  40     'stl.trex_stl_lib.datetime': mock.MagicMock(),
  41     'stl.trex_stl_lib.functools': mock.MagicMock(),
  42     'stl.trex_stl_lib.imp': mock.MagicMock(),
  43     'stl.trex_stl_lib.inspect': mock.MagicMock(),
  44     'stl.trex_stl_lib.json': mock.MagicMock(),
  45     'stl.trex_stl_lib.linecache': mock.MagicMock(),
  46     'stl.trex_stl_lib.math': mock.MagicMock(),
  47     'stl.trex_stl_lib.os': mock.MagicMock(),
  48     'stl.trex_stl_lib.platform': mock.MagicMock(),
  49     'stl.trex_stl_lib.pprint': mock.MagicMock(),
  50     'stl.trex_stl_lib.random': mock.MagicMock(),
  51     'stl.trex_stl_lib.re': mock.MagicMock(),
  52     'stl.trex_stl_lib.scapy': mock.MagicMock(),
  53     'stl.trex_stl_lib.socket': mock.MagicMock(),
  54     'stl.trex_stl_lib.string': mock.MagicMock(),
  55     'stl.trex_stl_lib.struct': mock.MagicMock(),
  56     'stl.trex_stl_lib.sys': mock.MagicMock(),
  57     'stl.trex_stl_lib.threading': mock.MagicMock(),
  58     'stl.trex_stl_lib.time': mock.MagicMock(),
  59     'stl.trex_stl_lib.traceback': mock.MagicMock(),
  60     'stl.trex_stl_lib.trex_stl_async_client': mock.MagicMock(),
  61     'stl.trex_stl_lib.trex_stl_client': mock.MagicMock(),
  62     'stl.trex_stl_lib.trex_stl_exceptions': mock.MagicMock(),
  63     'stl.trex_stl_lib.trex_stl_ext': mock.MagicMock(),
  64     'stl.trex_stl_lib.trex_stl_jsonrpc_client': mock.MagicMock(),
  65     'stl.trex_stl_lib.trex_stl_packet_builder_interface': mock.MagicMock(),
  66     'stl.trex_stl_lib.trex_stl_packet_builder_scapy': mock.MagicMock(),
  67     'stl.trex_stl_lib.trex_stl_port': mock.MagicMock(),
  68     'stl.trex_stl_lib.trex_stl_stats': mock.MagicMock(),
  69     'stl.trex_stl_lib.trex_stl_streams': mock.MagicMock(),
  70     'stl.trex_stl_lib.trex_stl_types': mock.MagicMock(),
  71     'stl.trex_stl_lib.types': mock.MagicMock(),
  72     'stl.trex_stl_lib.utils': mock.MagicMock(),
  73     'stl.trex_stl_lib.utils.argparse': mock.MagicMock(),
  74     'stl.trex_stl_lib.utils.collections': mock.MagicMock(),
  75     'stl.trex_stl_lib.utils.common': mock.MagicMock(),
  76     'stl.trex_stl_lib.utils.json': mock.MagicMock(),
  77     'stl.trex_stl_lib.utils.os': mock.MagicMock(),
  78     'stl.trex_stl_lib.utils.parsing_opts': mock.MagicMock(),
  79     'stl.trex_stl_lib.utils.pwd': mock.MagicMock(),
  80     'stl.trex_stl_lib.utils.random': mock.MagicMock(),
  81     'stl.trex_stl_lib.utils.re': mock.MagicMock(),
  82     'stl.trex_stl_lib.utils.string': mock.MagicMock(),
  83     'stl.trex_stl_lib.utils.sys': mock.MagicMock(),
  84     'stl.trex_stl_lib.utils.text_opts': mock.MagicMock(),
  85     'stl.trex_stl_lib.utils.text_tables': mock.MagicMock(),
  86     'stl.trex_stl_lib.utils.texttable': mock.MagicMock(),
  87     'stl.trex_stl_lib.warnings': mock.MagicMock(),
  88     'stl.trex_stl_lib.yaml': mock.MagicMock(),
  89     'stl.trex_stl_lib.zlib': mock.MagicMock(),
  90     'stl.trex_stl_lib.zmq': mock.MagicMock(),
  91 }
  92
  93 COMPLETE_TREX_VNFD = \
  94     {'vnfd:vnfd-catalog':
  95      {'vnfd':
  96       [{'benchmark':
  97         {'kpi':
  98          ['rx_throughput_fps',
  99           'tx_throughput_fps',
 100           'tx_throughput_mbps',
 101           'rx_throughput_mbps',
 102           'tx_throughput_pc_linerate',
 103           'rx_throughput_pc_linerate',
 104           'min_latency',
 105           'max_latency',
 106           'avg_latency']},
 107         'connection-point': [{'name': 'xe0',
 108                               'type': 'VPORT'},
 109                              {'name': 'xe1',
 110                               'type': 'VPORT'}],
 111         'description': 'TRex stateless traffic generator for RFC2544',
 112         'id': 'TrexTrafficGen',
 113         'mgmt-interface': {'ip': '1.1.1.1',
 114                            'password': 'berta',
 115                            'user': 'berta',
 116                            'vdu-id': 'trexgen-baremetal'},
 117         'name': 'trexgen',
 118         'short-name': 'trexgen',
 119         'vdu': [{'description': 'TRex stateless traffic generator for RFC2544',
 120                  'external-interface':
 121                  [{'name': 'xe0',
 122                    'virtual-interface': {'bandwidth': '10 Gbps',
 123                                          'dst_ip': '1.1.1.1',
 124                                          'dst_mac': '00:01:02:03:04:05',
 125                                          'local_ip': '1.1.1.2',
 126                                          'local_mac': '00:01:02:03:05:05',
 127                                          'type': 'PCI-PASSTHROUGH',
 128                                          'netmask': "255.255.255.0",
 129                                          'driver': 'i40',
 130                                          'vpci': '0000:00:10.2'},
 131                    'vnfd-connection-point-ref': 'xe0'},
 132                   {'name': 'xe1',
 133                    'virtual-interface': {'bandwidth': '10 Gbps',
 134                                          'dst_ip': '2.1.1.1',
 135                                          'dst_mac': '00:01:02:03:04:06',
 136                                          'local_ip': '2.1.1.2',
 137                                          'local_mac': '00:01:02:03:05:06',
 138                                          'type': 'PCI-PASSTHROUGH',
 139                                          'netmask': "255.255.255.0",
 140                                          'driver': 'i40',
 141                                          'vpci': '0000:00:10.1'},
 142                    'vnfd-connection-point-ref': 'xe1'}],
 143                  'id': 'trexgen-baremetal',
 144                  'name': 'trexgen-baremetal'}]}]}}
 145
 146 IP_ADDR_SHOW = """
 147 28: eth1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP """
 148 """group default qlen 1000
 149     link/ether 90:e2:ba:a7:6a:c8 brd ff:ff:ff:ff:ff:ff
 150     inet 1.1.1.1/8 brd 1.255.255.255 scope global eth1
 151     inet6 fe80::92e2:baff:fea7:6ac8/64 scope link
 152        valid_lft forever preferred_lft forever
 153 29: eth5: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP """
 154 """group default qlen 1000
 155     link/ether 90:e2:ba:a7:6a:c9 brd ff:ff:ff:ff:ff:ff
 156     inet 2.1.1.1/8 brd 2.255.255.255 scope global eth5
 157     inet6 fe80::92e2:baff:fea7:6ac9/64 scope link tentative
 158        valid_lft forever preferred_lft forever
 159 """
 160
 161 SYS_CLASS_NET = """
 162 lrwxrwxrwx 1 root root 0 sie 10 14:16 eth1 -> """
 163 """../../devices/pci0000:80/0000:80:02.2/0000:84:00.1/net/eth1
 164 lrwxrwxrwx 1 root root 0 sie  3 10:37 eth2 -> """
 165 """../../devices/pci0000:00/0000:00:01.1/0000:84:00.2/net/eth5
 166 """
 167
 168 TRAFFIC_PROFILE = {
 169     "schema": "isb:traffic_profile:0.1",
 170     "name": "fixed",
 171     "description": "Fixed traffic profile to run UDP traffic",
 172     "traffic_profile": {
 173         "traffic_type": "FixedTraffic",
 174         "frame_rate": 100,  # pps
 175         "flow_number": 10,
 176         "frame_size": 64}}
 177
 178
 179 class TestNetworkServiceTestCase(unittest.TestCase):
 180     def setUp(self):
 181         self.context_cfg = \
 182             {'nodes':
 183              {'trexgen__1': {'role': 'TrafficGen',
 184                              'name': 'trafficgen_1.yardstick',
 185                              'ip': '10.10.10.11',
 186                              'interfaces':
 187                              {'xe0':
 188                               {'netmask': '255.255.255.0',
 189                                'local_ip': '152.16.100.20',
 190                                'local_mac': '00:00:00:00:00:01',
 191                                'driver': 'i40e',
 192                                'vpci': '0000:07:00.0',
 193                                'dpdk_port_num': 0},
 194                               'xe1':
 195                               {'netmask': '255.255.255.0',
 196                                'local_ip': '152.16.40.20',
 197                                'local_mac': '00:00:00:00:00:02',
 198                                'driver': 'i40e',
 199                                'vpci': '0000:07:00.1',
 200                                'dpdk_port_num': 1}},
 201                              'password': 'r00t',
 202                              'user': 'root'},
 203               'trexvnf__1': {'name': 'vnf.yardstick',
 204                              'ip': '10.10.10.12',
 205                              'interfaces':
 206                              {'xe0':
 207                               {'netmask': '255.255.255.0',
 208                                'local_ip': '152.16.100.19',
 209                                'local_mac': '00:00:00:00:00:03',
 210                                'driver': 'i40e',
 211                                'vpci': '0000:07:00.0',
 212                                'dpdk_port_num': 0},
 213                               'xe1': {'netmask': '255.255.255.0',
 214                                       'local_ip': '152.16.40.19',
 215                                       'local_mac': '00:00:00:00:00:04',
 216                                       'driver': 'i40e',
 217                                       'vpci': '0000:07:00.1',
 218                                       'dpdk_port_num': 1}},
 219                              'routing_table': [{'netmask': '255.255.255.0',
 220                                                 'gateway': '152.16.100.20',
 221                                                 'network': '152.16.100.20',
 222                                                 'if': 'xe0'},
 223                                                {'netmask': '255.255.255.0',
 224                                                 'gateway': '152.16.40.20',
 225                                                 'network': '152.16.40.20',
 226                                                 'if': 'xe1'}],
 227                              'host': '10.223.197.164',
 228                              'role': 'vnf',
 229                              'user': 'root',
 230                              'nd_route_tbl':
 231                              [{'netmask': '112',
 232                                'gateway': '0064:ff9b:0:0:0:0:9810:6414',
 233                                'network': '0064:ff9b:0:0:0:0:9810:6414',
 234                                'if': 'xe0'},
 235                               {'netmask': '112',
 236                                'gateway': '0064:ff9b:0:0:0:0:9810:2814',
 237                                'network': '0064:ff9b:0:0:0:0:9810:2814',
 238                                'if': 'xe1'}],
 239                              'password': 'r00t'}}}
 240
 241         self.topology = {
 242             'short-name': 'trex-tg-topology',
 243             'constituent-vnfd':
 244                 [{'member-vnf-index': '1',
 245                   'VNF model': 'tg_trex_tpl.yaml',
 246                   'vnfd-id-ref': 'trexgen__1'},
 247                  {'member-vnf-index': '2',
 248                   'VNF model': 'tg_trex_tpl.yaml',
 249                   'vnfd-id-ref': 'trexvnf__1'}],
 250             'description': 'trex-tg-topology',
 251             'name': 'trex-tg-topology',
 252             'vld': [
 253                 {
 254                     'vnfd-connection-point-ref': [
 255                         {
 256                             'vnfd-connection-point-ref': 'xe0',
 257                             'member-vnf-index-ref': '1',
 258                             'vnfd-id-ref': 'trexgen'
 259                         },
 260                         {
 261                             'vnfd-connection-point-ref': 'xe0',
 262                             'member-vnf-index-ref': '2',
 263                             'vnfd-id-ref': 'trexgen'
 264                         }
 265                     ],
 266                     'type': 'ELAN',
 267                     'id': 'private',
 268                     'name': 'trexgen__1 to trexvnf__1 link 1'
 269                 },
 270                 {
 271                     'vnfd-connection-point-ref': [
 272                         {
 273                             'vnfd-connection-point-ref': 'xe1',
 274                             'member-vnf-index-ref': '1',
 275                             'vnfd-id-ref': 'trexgen'
 276                         },
 277                         {
 278                             'vnfd-connection-point-ref': 'xe1',
 279                             'member-vnf-index-ref': '2',
 280                             'vnfd-id-ref': 'trexgen'
 281                         }
 282                     ],
 283                     'type': 'ELAN',
 284                     'id': 'public',
 285                     'name': 'trexvnf__1 to trexgen__1 link 2'
 286                 }],
 287             'id': 'trex-tg-topology',
 288         }
 289
 290         self.scenario_cfg = {
 291             'tc_options': {'rfc2544': {'allowed_drop_rate': '0.8 - 1'}},
 292             'task_id': 'a70bdf4a-8e67-47a3-9dc1-273c14506eb7',
 293             'tc': 'tc_ipv4_1Mflow_64B_packetsize',
 294             'runner': {'object': 'NetworkServiceTestCase',
 295                        'interval': 35,
 296                        'output_filename': 'yardstick.out',
 297                        'runner_id': 74476,
 298                        'duration': 400, 'type': 'Duration'},
 299             'traffic_profile': 'ipv4_throughput_vpe.yaml',
 300             'traffic_options': {'flow': 'ipv4_1flow_Packets_vpe.yaml',
 301                                 'imix': 'imix_voice.yaml'}, 'type': 'ISB',
 302             'nodes': {'tg__2': 'trafficgen_2.yardstick',
 303                       'tg__1': 'trafficgen_1.yardstick',
 304                       'vnf__1': 'vnf.yardstick'},
 305             "topology": self._get_file_abspath("vpe_vnf_topology.yaml")}
 306
 307         self.s = NetworkServiceTestCase(self.scenario_cfg, self.context_cfg)
 308
 309     def _get_file_abspath(self, filename):
 310         curr_path = os.path.dirname(os.path.abspath(__file__))
 311         file_path = os.path.join(curr_path, filename)
 312         return file_path
 313
 314     def test_ssh_manager(self):
 315         with mock.patch("yardstick.ssh.SSH") as ssh:
 316             ssh_mock = mock.Mock(autospec=ssh.SSH)
 317             ssh_mock.execute = \
 318                 mock.Mock(return_value=(0, SYS_CLASS_NET + IP_ADDR_SHOW, ""))
 319             ssh.from_node.return_value = ssh_mock
 320             for node, node_dict in self.context_cfg["nodes"].items():
 321                 with SshManager(node_dict) as conn:
 322                     self.assertIsNotNone(conn)
 323
 324     def test___init__(self):
 325         assert self.topology
 326
 327     def test___get_traffic_flow(self):
 328         self.scenario_cfg["traffic_options"]["flow"] = \
 329             self._get_file_abspath("ipv4_1flow_Packets_vpe.yaml")
 330         result = {'flow': {'dstip4_range': '152.40.0.20',
 331                            'srcip4_range': '152.16.0.20', 'count': 1}}
 332         self.assertEqual(result, self.s._get_traffic_flow(self.scenario_cfg))
 333
 334     def test___get_traffic_flow_error(self):
 335         self.scenario_cfg["traffic_options"]["flow"] = \
 336             "ipv4_1flow_Packets_vpe.yaml1"
 337         self.assertEqual({}, self.s._get_traffic_flow(self.scenario_cfg))
 338
 339     def test_get_vnf_imp(self):
 340         vnfd = COMPLETE_TREX_VNFD['vnfd:vnfd-catalog']['vnfd'][0]
 341         with mock.patch.dict("sys.modules", STL_MOCKS):
 342             self.assertIsNotNone(self.s.get_vnf_impl(vnfd))
 343
 344     def test_load_vnf_models_invalid(self):
 345         self.context_cfg["nodes"]['trexgen__1']['VNF model'] = \
 346             self._get_file_abspath("tg_trex_tpl.yaml")
 347         self.context_cfg["nodes"]['trexvnf__1']['VNF model'] = \
 348             self._get_file_abspath("tg_trex_tpl.yaml")
 349
 350         vnf = mock.Mock(autospec=GenericVNF)
 351         self.s.get_vnf_impl = mock.Mock(return_value=vnf)
 352
 353         self.assertIsNotNone(self.s.load_vnf_models(self.context_cfg))
 354
 355     def test_map_topology_to_infrastructure(self):
 356         with mock.patch("yardstick.ssh.SSH") as ssh:
 357             ssh_mock = mock.Mock(autospec=ssh.SSH)
 358             ssh_mock.execute = \
 359                 mock.Mock(return_value=(0, SYS_CLASS_NET + IP_ADDR_SHOW, ""))
 360             ssh.from_node.return_value = ssh_mock
 361             self.s.map_topology_to_infrastructure(self.context_cfg,
 362                                                   self.topology)
 363         self.assertEqual("tg_trex_tpl.yaml",
 364                          self.context_cfg["nodes"]['trexgen__1']['VNF model'])
 365         self.assertEqual("tg_trex_tpl.yaml",
 366                          self.context_cfg["nodes"]['trexvnf__1']['VNF model'])
 367
 368     def test_map_topology_to_infrastructure_insufficient_nodes(self):
 369         del self.context_cfg['nodes']['trexvnf__1']
 370         with mock.patch("yardstick.ssh.SSH") as ssh:
 371             ssh_mock = mock.Mock(autospec=ssh.SSH)
 372             ssh_mock.execute = \
 373                 mock.Mock(return_value=(1, SYS_CLASS_NET + IP_ADDR_SHOW, ""))
 374             ssh.from_node.return_value = ssh_mock
 375
 376             self.assertRaises(IncorrectSetup,
 377                               self.s.map_topology_to_infrastructure,
 378                               self.context_cfg, self.topology)
 379
 380     def test_map_topology_to_infrastructure_config_invalid(self):
 381         cfg = dict(self.context_cfg)
 382         del cfg['nodes']['trexvnf__1']['interfaces']['xe0']['local_mac']
 383         with mock.patch("yardstick.ssh.SSH") as ssh:
 384             ssh_mock = mock.Mock(autospec=ssh.SSH)
 385             ssh_mock.execute = \
 386                 mock.Mock(return_value=(0, SYS_CLASS_NET + IP_ADDR_SHOW, ""))
 387             ssh.from_node.return_value = ssh_mock
 388
 389             self.assertRaises(IncorrectConfig,
 390                               self.s.map_topology_to_infrastructure,
 391                               self.context_cfg, self.topology)
 392
 393     def test__resolve_topology_invalid_config(self):
 394         with mock.patch("yardstick.ssh.SSH") as ssh:
 395             ssh_mock = mock.Mock(autospec=ssh.SSH)
 396             ssh_mock.execute = \
 397                 mock.Mock(return_value=(0, SYS_CLASS_NET + IP_ADDR_SHOW, ""))
 398             ssh.from_node.return_value = ssh_mock
 399
 400             del self.context_cfg['nodes']
 401             self.assertRaises(IncorrectConfig, self.s._resolve_topology,
 402                               self.context_cfg, self.topology)
 403
 404             self.topology['vld'][0]['vnfd-connection-point-ref'].append(
 405                 self.topology['vld'][0]['vnfd-connection-point-ref'])
 406             self.assertRaises(IncorrectConfig, self.s._resolve_topology,
 407                               self.context_cfg, self.topology)
 408
 409     def test_run(self):
 410         tgen = mock.Mock(autospec=GenericTrafficGen)
 411         tgen.traffic_finished = True
 412         verified_dict = {"verified": True}
 413         tgen.verify_traffic = lambda x: verified_dict
 414         tgen.name = "tgen__1"
 415         vnf = mock.Mock(autospec=GenericVNF)
 416         vnf.runs_traffic = False
 417         self.s.vnfs = [tgen, vnf]
 418         self.s.traffic_profile = mock.Mock()
 419         self.s.collector = mock.Mock(autospec=Collector)
 420         self.s.collector.get_kpi = \
 421             mock.Mock(return_value={tgen.name: verified_dict})
 422         result = {}
 423         self.s.run(result)
 424         self.assertDictEqual(result, {tgen.name: verified_dict})
 425
 426     def test_setup(self):
 427         with mock.patch("yardstick.ssh.SSH") as ssh:
 428             ssh_mock = mock.Mock(autospec=ssh.SSH)
 429             ssh_mock.execute = \
 430                 mock.Mock(return_value=(0, SYS_CLASS_NET + IP_ADDR_SHOW, ""))
 431             ssh.from_node.return_value = ssh_mock
 432
 433             tgen = mock.Mock(autospec=GenericTrafficGen)
 434             tgen.traffic_finished = True
 435             verified_dict = {"verified": True}
 436             tgen.verify_traffic = lambda x: verified_dict
 437             tgen.terminate = mock.Mock(return_value=True)
 438             tgen.name = "tgen__1"
 439             vnf = mock.Mock(autospec=GenericVNF)
 440             vnf.runs_traffic = False
 441             vnf.terminate = mock.Mock(return_value=True)
 442             self.s.vnfs = [tgen, vnf]
 443             self.s.traffic_profile = mock.Mock()
 444             self.s.collector = mock.Mock(autospec=Collector)
 445             self.s.collector.get_kpi = \
 446                 mock.Mock(return_value={tgen.name: verified_dict})
 447             self.s.map_topology_to_infrastructure = mock.Mock(return_value=0)
 448             self.s.load_vnf_models = mock.Mock(return_value=self.s.vnfs)
 449             self.s._fill_traffic_profile = \
 450                 mock.Mock(return_value=TRAFFIC_PROFILE)
 451             self.assertEqual(None, self.s.setup())
 452
 453     def test__get_traffic_profile(self):
 454         self.scenario_cfg["traffic_profile"] = \
 455             self._get_file_abspath("ipv4_throughput_vpe.yaml")
 456         self.assertIsNotNone(self.s._get_traffic_profile(self.scenario_cfg,
 457                                                          self.context_cfg))
 458
 459     def test__get_traffic_profile_exception(self):
 460         cfg = dict(self.scenario_cfg)
 461         cfg["traffic_profile"] = ""
 462         self.assertRaises(IOError, self.s._get_traffic_profile, cfg,
 463                           self.context_cfg)
 464
 465     def test___get_traffic_imix_exception(self):
 466         cfg = dict(self.scenario_cfg)
 467         cfg["traffic_options"]["imix"] = ""
 468         self.assertEqual({}, self.s._get_traffic_imix(cfg))
 469
 470     def test__fill_traffic_profile(self):
 471         with mock.patch.dict("sys.modules", STL_MOCKS):
 472             self.scenario_cfg["traffic_profile"] = \
 473                 self._get_file_abspath("ipv4_throughput_vpe.yaml")
 474             self.scenario_cfg["traffic_options"]["flow"] = \
 475                 self._get_file_abspath("ipv4_1flow_Packets_vpe.yaml")
 476             self.scenario_cfg["traffic_options"]["imix"] = \
 477                 self._get_file_abspath("imix_voice.yaml")
 478             self.assertIsNotNone(self.s._fill_traffic_profile(self.scenario_cfg,
 479                                                               self.context_cfg))
 480
 481     def test_teardown(self):
 482         vnf = mock.Mock(autospec=GenericVNF)
 483         vnf.terminate = \
 484             mock.Mock(return_value=True)
 485         self.s.vnfs = [vnf]
 486         self.s.traffic_profile = mock.Mock()
 487         self.s.collector = mock.Mock(autospec=Collector)
 488         self.s.collector.stop = \
 489             mock.Mock(return_value=True)
 490         self.assertIsNone(self.s.teardown())