tests/unit/network_services/vnf_generic/vnf/test_vfw_vnf.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 from __future__ import absolute_import
  19 import unittest
  20 import mock
  21 import os
  22
  23 STL_MOCKS = {
  24     'stl': mock.MagicMock(),
  25     'stl.trex_stl_lib': mock.MagicMock(),
  26     'stl.trex_stl_lib.base64': mock.MagicMock(),
  27     'stl.trex_stl_lib.binascii': mock.MagicMock(),
  28     'stl.trex_stl_lib.collections': mock.MagicMock(),
  29     'stl.trex_stl_lib.copy': mock.MagicMock(),
  30     'stl.trex_stl_lib.datetime': mock.MagicMock(),
  31     'stl.trex_stl_lib.functools': mock.MagicMock(),
  32     'stl.trex_stl_lib.imp': mock.MagicMock(),
  33     'stl.trex_stl_lib.inspect': mock.MagicMock(),
  34     'stl.trex_stl_lib.json': mock.MagicMock(),
  35     'stl.trex_stl_lib.linecache': mock.MagicMock(),
  36     'stl.trex_stl_lib.math': mock.MagicMock(),
  37     'stl.trex_stl_lib.os': mock.MagicMock(),
  38     'stl.trex_stl_lib.platform': mock.MagicMock(),
  39     'stl.trex_stl_lib.pprint': mock.MagicMock(),
  40     'stl.trex_stl_lib.random': mock.MagicMock(),
  41     'stl.trex_stl_lib.re': mock.MagicMock(),
  42     'stl.trex_stl_lib.scapy': mock.MagicMock(),
  43     'stl.trex_stl_lib.socket': mock.MagicMock(),
  44     'stl.trex_stl_lib.string': mock.MagicMock(),
  45     'stl.trex_stl_lib.struct': mock.MagicMock(),
  46     'stl.trex_stl_lib.sys': mock.MagicMock(),
  47     'stl.trex_stl_lib.threading': mock.MagicMock(),
  48     'stl.trex_stl_lib.time': mock.MagicMock(),
  49     'stl.trex_stl_lib.traceback': mock.MagicMock(),
  50     'stl.trex_stl_lib.trex_stl_async_client': mock.MagicMock(),
  51     'stl.trex_stl_lib.trex_stl_client': mock.MagicMock(),
  52     'stl.trex_stl_lib.trex_stl_exceptions': mock.MagicMock(),
  53     'stl.trex_stl_lib.trex_stl_ext': mock.MagicMock(),
  54     'stl.trex_stl_lib.trex_stl_jsonrpc_client': mock.MagicMock(),
  55     'stl.trex_stl_lib.trex_stl_packet_builder_interface': mock.MagicMock(),
  56     'stl.trex_stl_lib.trex_stl_packet_builder_scapy': mock.MagicMock(),
  57     'stl.trex_stl_lib.trex_stl_port': mock.MagicMock(),
  58     'stl.trex_stl_lib.trex_stl_stats': mock.MagicMock(),
  59     'stl.trex_stl_lib.trex_stl_streams': mock.MagicMock(),
  60     'stl.trex_stl_lib.trex_stl_types': mock.MagicMock(),
  61     'stl.trex_stl_lib.types': mock.MagicMock(),
  62     'stl.trex_stl_lib.utils': mock.MagicMock(),
  63     'stl.trex_stl_lib.utils.argparse': mock.MagicMock(),
  64     'stl.trex_stl_lib.utils.collections': mock.MagicMock(),
  65     'stl.trex_stl_lib.utils.common': mock.MagicMock(),
  66     'stl.trex_stl_lib.utils.json': mock.MagicMock(),
  67     'stl.trex_stl_lib.utils.os': mock.MagicMock(),
  68     'stl.trex_stl_lib.utils.parsing_opts': mock.MagicMock(),
  69     'stl.trex_stl_lib.utils.pwd': mock.MagicMock(),
  70     'stl.trex_stl_lib.utils.random': mock.MagicMock(),
  71     'stl.trex_stl_lib.utils.re': mock.MagicMock(),
  72     'stl.trex_stl_lib.utils.string': mock.MagicMock(),
  73     'stl.trex_stl_lib.utils.sys': mock.MagicMock(),
  74     'stl.trex_stl_lib.utils.text_opts': mock.MagicMock(),
  75     'stl.trex_stl_lib.utils.text_tables': mock.MagicMock(),
  76     'stl.trex_stl_lib.utils.texttable': mock.MagicMock(),
  77     'stl.trex_stl_lib.warnings': mock.MagicMock(),
  78     'stl.trex_stl_lib.yaml': mock.MagicMock(),
  79     'stl.trex_stl_lib.zlib': mock.MagicMock(),
  80     'stl.trex_stl_lib.zmq': mock.MagicMock(),
  81 }
  82
  83 STLClient = mock.MagicMock()
  84 stl_patch = mock.patch.dict("sys.modules", STL_MOCKS)
  85 stl_patch.start()
  86
  87 if stl_patch:
  88     from yardstick.network_services.vnf_generic.vnf.vfw_vnf import FWApproxVnf
  89     from yardstick.network_services.nfvi.resource import ResourceProfile
  90
  91 TEST_FILE_YAML = 'nsb_test_case.yaml'
  92
  93
  94 name = 'vnf__1'
  95
  96
  97 @mock.patch("yardstick.network_services.vnf_generic.vnf.sample_vnf.Process")
  98 class TestFWApproxVnf(unittest.TestCase):
  99     VNFD = {'vnfd:vnfd-catalog':
 100             {'vnfd':
 101              [{'short-name': 'VpeVnf',
 102                'vdu':
 103                [{'routing_table':
 104                  [{'network': '152.16.100.20',
 105                    'netmask': '255.255.255.0',
 106                    'gateway': '152.16.100.20',
 107                    'if': 'xe0'},
 108                   {'network': '152.16.40.20',
 109                    'netmask': '255.255.255.0',
 110                    'gateway': '152.16.40.20',
 111                    'if': 'xe1'}],
 112                  'description': 'VPE approximation using DPDK',
 113                  'name': 'vpevnf-baremetal',
 114                  'nd_route_tbl':
 115                  [{'network': '0064:ff9b:0:0:0:0:9810:6414',
 116                    'netmask': '112',
 117                    'gateway': '0064:ff9b:0:0:0:0:9810:6414',
 118                    'if': 'xe0'},
 119                   {'network': '0064:ff9b:0:0:0:0:9810:2814',
 120                    'netmask': '112',
 121                    'gateway': '0064:ff9b:0:0:0:0:9810:2814',
 122                    'if': 'xe1'}],
 123                  'id': 'vpevnf-baremetal',
 124                  'external-interface':
 125                  [{'virtual-interface':
 126                    {'dst_mac': '00:00:00:00:00:04',
 127                     'vpci': '0000:05:00.0',
 128                     'local_ip': '152.16.100.19',
 129                     'type': 'PCI-PASSTHROUGH',
 130                     'netmask': '255.255.255.0',
 131                     'dpdk_port_num': '0',
 132                     'bandwidth': '10 Gbps',
 133                     'driver': "i40e",
 134                     'dst_ip': '152.16.100.20',
 135                     'local_iface_name': 'xe0',
 136                     'local_mac': '00:00:00:00:00:02'},
 137                    'vnfd-connection-point-ref': 'xe0',
 138                    'name': 'xe0'},
 139                   {'virtual-interface':
 140                    {'dst_mac': '00:00:00:00:00:03',
 141                     'vpci': '0000:05:00.1',
 142                     'local_ip': '152.16.40.19',
 143                     'type': 'PCI-PASSTHROUGH',
 144                     'driver': "i40e",
 145                     'netmask': '255.255.255.0',
 146                     'dpdk_port_num': '1',
 147                     'bandwidth': '10 Gbps',
 148                     'dst_ip': '152.16.40.20',
 149                     'local_iface_name': 'xe1',
 150                     'local_mac': '00:00:00:00:00:01'},
 151                    'vnfd-connection-point-ref': 'xe1',
 152                    'name': 'xe1'}]}],
 153                'description': 'Vpe approximation using DPDK',
 154                'mgmt-interface':
 155                    {'vdu-id': 'vpevnf-baremetal',
 156                     'host': '1.2.1.1',
 157                     'password': 'r00t',
 158                     'user': 'root',
 159                     'ip': '1.2.1.1'},
 160                'benchmark':
 161                    {'kpi': ['packets_in', 'packets_fwd', 'packets_dropped']},
 162                'connection-point': [{'type': 'VPORT', 'name': 'xe0'},
 163                                     {'type': 'VPORT', 'name': 'xe1'}],
 164                'id': 'FWApproxVnf', 'name': 'VPEVnfSsh'}]}}
 165
 166     scenario_cfg = {'options': {'packetsize': 64, 'traffic_type': 4,
 167                                 'rfc2544': {'allowed_drop_rate': '0.8 - 1'},
 168                                 'vnf__1': {'rules': 'acl_1rule.yaml',
 169                                            'vnf_config': {'lb_config': 'SW',
 170                                                           'lb_count': 1,
 171                                                           'worker_config':
 172                                                               '1C/1T',
 173                                                           'worker_threads': 1}}
 174                                 },
 175                     'task_id': 'a70bdf4a-8e67-47a3-9dc1-273c14506eb7',
 176                     'task_path': '/tmp',
 177                     'tc': 'tc_ipv4_1Mflow_64B_packetsize',
 178                     'runner': {'object': 'NetworkServiceTestCase',
 179                                'interval': 35,
 180                                'output_filename': '/tmp/yardstick.out',
 181                                'runner_id': 74476, 'duration': 400,
 182                                'type': 'Duration'},
 183                     'traffic_profile': 'ipv4_throughput_vfw.yaml',
 184                     'traffic_options': {'flow': 'ipv4_Packets_vfw.yaml',
 185                                         'imix': 'imix_voice.yaml'},
 186                     'type': 'ISB',
 187                     'nodes': {'tg__2': 'trafficgen_2.yardstick',
 188                               'tg__1': 'trafficgen_1.yardstick',
 189                               'vnf__1': 'vnf.yardstick'},
 190                     'topology': 'vpe-tg-topology-baremetal.yaml'}
 191
 192     context_cfg = {'nodes': {'tg__2':
 193                              {'member-vnf-index': '3',
 194                               'role': 'TrafficGen',
 195                               'name': 'trafficgen_2.yardstick',
 196                               'vnfd-id-ref': 'tg__2',
 197                               'ip': '1.2.1.1',
 198                               'interfaces':
 199                               {'xe0': {'local_iface_name': 'ens513f0',
 200                                        'vld_id': 'public',
 201                                        'netmask': '255.255.255.0',
 202                                        'local_ip': '152.16.40.20',
 203                                        'dst_mac': '00:00:00:00:00:01',
 204                                        'local_mac': '00:00:00:00:00:03',
 205                                        'dst_ip': '152.16.40.19',
 206                                        'driver': 'ixgbe',
 207                                        'vpci': '0000:02:00.0',
 208                                        'dpdk_port_num': 0},
 209                                'xe1': {'local_iface_name': 'ens513f1',
 210                                        'netmask': '255.255.255.0',
 211                                        'network': '202.16.100.0',
 212                                        'local_ip': '202.16.100.20',
 213                                        'local_mac': '00:1e:67:d0:60:5d',
 214                                        'driver': 'ixgbe',
 215                                        'vpci': '0000:02:00.1',
 216                                        'dpdk_port_num': 1}},
 217                               'password': 'r00t',
 218                               'VNF model': 'l3fwd_vnf.yaml',
 219                               'user': 'root'},
 220                              'tg__1':
 221                              {'member-vnf-index': '1',
 222                               'role': 'TrafficGen',
 223                               'name': 'trafficgen_1.yardstick',
 224                               'vnfd-id-ref': 'tg__1',
 225                               'ip': '1.2.1.1',
 226                               'interfaces':
 227                               {'xe0': {'local_iface_name': 'ens785f0',
 228                                        'vld_id': 'private',
 229                                        'netmask': '255.255.255.0',
 230                                        'local_ip': '152.16.100.20',
 231                                        'dst_mac': '00:00:00:00:00:02',
 232                                        'local_mac': '00:00:00:00:00:04',
 233                                        'dst_ip': '152.16.100.19',
 234                                        'driver': 'i40e',
 235                                        'vpci': '0000:05:00.0',
 236                                        'dpdk_port_num': 0},
 237                                'xe1': {'local_iface_name': 'ens785f1',
 238                                        'netmask': '255.255.255.0',
 239                                        'local_ip': '152.16.100.21',
 240                                        'local_mac': '00:00:00:00:00:01',
 241                                        'driver': 'i40e',
 242                                        'vpci': '0000:05:00.1',
 243                                        'dpdk_port_num': 1}},
 244                               'password': 'r00t',
 245                               'VNF model': 'tg_rfc2544_tpl.yaml',
 246                               'user': 'root'},
 247                              'vnf__1':
 248                              {'name': 'vnf.yardstick',
 249                               'vnfd-id-ref': 'vnf__1',
 250                               'ip': '1.2.1.1',
 251                               'interfaces':
 252                               {'xe0': {'local_iface_name': 'ens786f0',
 253                                        'vld_id': 'private',
 254                                        'netmask': '255.255.255.0',
 255                                        'local_ip': '152.16.100.19',
 256                                        'dst_mac': '00:00:00:00:00:04',
 257                                        'local_mac': '00:00:00:00:00:02',
 258                                        'dst_ip': '152.16.100.20',
 259                                        'driver': 'i40e',
 260                                        'vpci': '0000:05:00.0',
 261                                        'dpdk_port_num': 0},
 262                                'xe1': {'local_iface_name': 'ens786f1',
 263                                        'vld_id': 'public',
 264                                        'netmask': '255.255.255.0',
 265                                        'local_ip': '152.16.40.19',
 266                                        'dst_mac': '00:00:00:00:00:03',
 267                                        'local_mac': '00:00:00:00:00:01',
 268                                        'dst_ip': '152.16.40.20',
 269                                        'driver': 'i40e',
 270                                        'vpci': '0000:05:00.1',
 271                                        'dpdk_port_num': 1}},
 272                               'routing_table':
 273                               [{'netmask': '255.255.255.0',
 274                                 'gateway': '152.16.100.20',
 275                                 'network': '152.16.100.20',
 276                                 'if': 'xe0'},
 277                                {'netmask': '255.255.255.0',
 278                                 'gateway': '152.16.40.20',
 279                                 'network': '152.16.40.20',
 280                                 'if': 'xe1'}],
 281                               'member-vnf-index': '2',
 282                               'host': '1.2.1.1',
 283                               'role': 'vnf',
 284                               'user': 'root',
 285                               'nd_route_tbl':
 286                               [{'netmask': '112',
 287                                 'gateway': '0064:ff9b:0:0:0:0:9810:6414',
 288                                 'network': '0064:ff9b:0:0:0:0:9810:6414',
 289                                 'if': 'xe0'},
 290                                {'netmask': '112',
 291                                 'gateway': '0064:ff9b:0:0:0:0:9810:2814',
 292                                 'network': '0064:ff9b:0:0:0:0:9810:2814',
 293                                 'if': 'xe1'}],
 294                               'password': 'r00t',
 295                               'VNF model': 'vfw_vnf.yaml'}}}
 296
 297     def test___init__(self, mock_process):
 298         vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0]
 299         vfw_approx_vnf = FWApproxVnf(name, vnfd)
 300         self.assertIsNone(vfw_approx_vnf._vnf_process)
 301
 302     STATS = """\
 303 p vfw stats
 304
 305 VFW Stats
 306 {"VFW_counters" : {"id" : "PIPELINE4", " pkts_received": 6007180, " pkts_fw_forwarded": 6007180, " pkts_drop_fw": 0, " pkts_acl_forwarded": 6007180, "pkts_drop_without_rule" : 0, "average_pkts_in_batch" : 31, "average_internal_time_in_clocks" : 17427, "average_external_time_in_clocks" : 261120, "total_time_measures" : 189829, "ct_packets_forwarded" : 6007148, "ct_packets_dropped" : 0, "bytes_processed ": 360430800, "ct_sessions" : {"active" : 130050, "open_attempt" : 130050, "re-open_attempt" : 0, "established" : 0, "closed" : 0, "timeout" : 0}, "ct_drops" : {"out_of_window" : 0, "invalid_conn" : 0, "invalid_state_transition" : 0 "RST" : 0}}
 307 VFW TOTAL: pkts_received: 6007180, "pkts_fw_forwarded": 6007180, "pkts_drop_fw": 0, "fw_drops" : {"TTL_zero" : 0, "bad_size" : 0, "fragmented_packet" : 0, "unsupported_packet_types" : 0, "no_arp_entry" : 6007180}, "pkts_acl_forwarded": 6007180, "pkts_drop_without_rule": 0, "packets_last_sec" : 0, "average_packets_per_sec" : 0, "bytes_last_sec" : 0, "average_bytes_per_sec" : 0, "bytes_processed ": 360430800
 308 "CT TOTAL: ct_packets_forwarded" : 6007180, " ct_packets_dropped" : 0, "ct_sessions" : {"active" : 130050, "open_attempt" : 130050, "re-open_attempt" : 0, "established" : 0, "closed" : 0, "timeout" : 0}, "ct_drops" : {"out_of_window" : 0, "invalid_conn" : 0, "invalid_state_transition" : 0 "RST" : 0}
 309 Action ID: 00, packetCount: 2954633, byteCount: 177277980
 310 Action ID: 01, packetCount: 3052547, byteCount: 183152820
 311 pipeline>
 312
 313 pipeline>
 314 """  # noqa
 315
 316     @mock.patch("yardstick.network_services.vnf_generic.vnf.sample_vnf.time")
 317     def test_collect_kpi(self, mock_time, mock_process):
 318         with mock.patch("yardstick.ssh.SSH") as ssh:
 319             ssh_mock = mock.Mock(autospec=ssh.SSH)
 320             ssh_mock.execute = \
 321                 mock.Mock(return_value=(0, "", ""))
 322             ssh.from_node.return_value = ssh_mock
 323             vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0]
 324             vfw_approx_vnf = FWApproxVnf(name, vnfd)
 325             vfw_approx_vnf.q_in = mock.MagicMock()
 326             vfw_approx_vnf.q_out = mock.MagicMock()
 327             vfw_approx_vnf.q_out.qsize = mock.Mock(return_value=0)
 328             vfw_approx_vnf.resource = mock.Mock(autospec=ResourceProfile)
 329             vfw_approx_vnf.resource_helper = mock.MagicMock(
 330                 **{'collect_kpi.return_value': {"core": {}}})
 331             vfw_approx_vnf.vnf_execute = mock.Mock(return_value=self.STATS)
 332             result = {
 333                 'packets_dropped': 0,
 334                 'packets_fwd': 6007180,
 335                 'packets_in': 6007180,
 336                 'collect_stats': {'core': {}},
 337             }
 338             self.assertEqual(result, vfw_approx_vnf.collect_kpi())
 339
 340     @mock.patch("yardstick.network_services.vnf_generic.vnf.sample_vnf.time")
 341     def test_vnf_execute_command(self, mock_time, mock_process):
 342         with mock.patch("yardstick.ssh.SSH") as ssh:
 343             ssh_mock = mock.Mock(autospec=ssh.SSH)
 344             ssh_mock.execute = \
 345                 mock.Mock(return_value=(0, "", ""))
 346             ssh.from_node.return_value = ssh_mock
 347             vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0]
 348             vfw_approx_vnf = FWApproxVnf(name, vnfd)
 349             vfw_approx_vnf.q_in = mock.MagicMock()
 350             vfw_approx_vnf.q_out = mock.MagicMock()
 351             vfw_approx_vnf.q_out.qsize = mock.Mock(return_value=0)
 352             cmd = "quit"
 353             self.assertEqual("", vfw_approx_vnf.vnf_execute(cmd))
 354
 355     def test_get_stats(self, mock_process):
 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, "", ""))
 360             ssh.from_node.return_value = ssh_mock
 361             vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0]
 362             vfw_approx_vnf = FWApproxVnf(name, vnfd)
 363             vfw_approx_vnf.q_in = mock.MagicMock()
 364             vfw_approx_vnf.q_out = mock.MagicMock()
 365             vfw_approx_vnf.q_out.qsize = mock.Mock(return_value=0)
 366             vfw_approx_vnf.vnf_execute = mock.Mock(return_value=self.STATS)
 367             self.assertEqual(self.STATS, vfw_approx_vnf.get_stats())
 368
 369     def _get_file_abspath(self, filename):
 370         curr_path = os.path.dirname(os.path.abspath(__file__))
 371         file_path = os.path.join(curr_path, filename)
 372         return file_path
 373
 374     @mock.patch("yardstick.network_services.vnf_generic.vnf.vfw_vnf.hex")
 375     @mock.patch("yardstick.network_services.vnf_generic.vnf.vfw_vnf.eval")
 376     @mock.patch("yardstick.network_services.vnf_generic.vnf.vfw_vnf.open")
 377     def test_run_vfw(self, mock_open, eval, hex, mock_process):
 378         with mock.patch("yardstick.ssh.SSH") as ssh:
 379             ssh_mock = mock.Mock(autospec=ssh.SSH)
 380             ssh_mock.execute = \
 381                 mock.Mock(return_value=(0, "", ""))
 382             ssh_mock.run = \
 383                 mock.Mock(return_value=(0, "", ""))
 384             ssh.from_node.return_value = ssh_mock
 385             vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0]
 386             vfw_approx_vnf = FWApproxVnf(name, vnfd)
 387             vfw_approx_vnf._build_config = mock.MagicMock()
 388             vfw_approx_vnf.queue_wrapper = mock.MagicMock()
 389             vfw_approx_vnf.ssh_helper = mock.MagicMock()
 390             vfw_approx_vnf.ssh_helper.run = mock.MagicMock()
 391             vfw_approx_vnf.scenario_helper.scenario_cfg = self.scenario_cfg
 392             vfw_approx_vnf.vnf_cfg = {'lb_config': 'SW',
 393                                       'lb_count': 1,
 394                                       'worker_config': '1C/1T',
 395                                       'worker_threads': 1}
 396             vfw_approx_vnf.all_options = {'traffic_type': '4',
 397                                           'topology': 'nsb_test_case.yaml'}
 398             vfw_approx_vnf._run()
 399             vfw_approx_vnf.ssh_helper.run.assert_called_once()
 400
 401     @mock.patch("yardstick.network_services.vnf_generic.vnf.vfw_vnf.YangModel")
 402     @mock.patch("yardstick.network_services.vnf_generic.vnf.vfw_vnf.find_relative_file")
 403     @mock.patch("yardstick.network_services.vnf_generic.vnf.sample_vnf.Context")
 404     def test_instantiate(self, Context, mock_yang, mock_find, mock_process):
 405         with mock.patch("yardstick.ssh.SSH") as ssh:
 406             ssh_mock = mock.Mock(autospec=ssh.SSH)
 407             ssh_mock.execute = mock.Mock(return_value=(0, "", ""))
 408             ssh.from_node.return_value = ssh_mock
 409             vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0]
 410             vfw_approx_vnf = FWApproxVnf(name, vnfd)
 411             vfw_approx_vnf.ssh_helper = ssh
 412             vfw_approx_vnf.deploy_helper = mock.MagicMock()
 413             vfw_approx_vnf.resource_helper = mock.MagicMock()
 414             vfw_approx_vnf._build_config = mock.MagicMock()
 415             self.scenario_cfg['vnf_options'] = {'acl': {'cfg': "",
 416                                                         'rules': ""}}
 417             self.scenario_cfg.update({"nodes": {"vnf__1": ""}})
 418             self.assertIsNone(vfw_approx_vnf.instantiate(self.scenario_cfg,
 419                                                          self.context_cfg))
 420
 421     def test_scale(self, mock_process):
 422         vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0]
 423         vfw_approx_vnf = FWApproxVnf(name, vnfd)
 424         flavor = ""
 425         self.assertRaises(NotImplementedError, vfw_approx_vnf.scale, flavor)
 426
 427     @mock.patch("yardstick.network_services.vnf_generic.vnf.sample_vnf.time")
 428     def test_terminate(self, mock_time, mock_process):
 429         with mock.patch("yardstick.ssh.SSH") as ssh:
 430             ssh_mock = mock.Mock(autospec=ssh.SSH)
 431             ssh_mock.execute = \
 432                 mock.Mock(return_value=(0, "", ""))
 433             ssh.from_node.return_value = ssh_mock
 434             vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0]
 435             vfw_approx_vnf = FWApproxVnf(name, vnfd)
 436             vfw_approx_vnf._vnf_process = mock.MagicMock()
 437             vfw_approx_vnf._vnf_process.terminate = mock.Mock()
 438             vfw_approx_vnf.used_drivers = {"01:01.0": "i40e",
 439                                            "01:01.1": "i40e"}
 440             vfw_approx_vnf.vnf_execute = mock.Mock()
 441             vfw_approx_vnf.ssh_helper = ssh_mock
 442             vfw_approx_vnf.dpdk_nic_bind = "dpdk_nic_bind.py"
 443             vfw_approx_vnf._resource_collect_stop = mock.Mock()
 444             self.assertEqual(None, vfw_approx_vnf.terminate())
 445
 446 if __name__ == '__main__':
 447     unittest.main()