yardstick/tests/unit/network_services/libs/ixia_libs/test_ixnet_api.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 mock
  16 import IxNetwork
  17 import unittest
  18
  19 from copy import deepcopy
  20
  21 from yardstick.common import exceptions
  22 from yardstick.network_services.libs.ixia_libs.ixnet import ixnet_api
  23
  24
  25 UPLINK = 'uplink'
  26 DOWNLINK = 'downlink'
  27
  28 TRAFFIC_PARAMETERS = {
  29     UPLINK: {
  30         'id': 1,
  31         'bidir': 'False',
  32         'duration': 60,
  33         'rate': 10000.5,
  34         'rate_unit': 'fps',
  35         'outer_l2': {
  36             'framesize': {'64B': '25', '256B': '75'},
  37             'QinQ': None
  38         },
  39         'outer_l3': {
  40             'count': 512,
  41             'srcseed': 10,
  42             'dstseed': 20,
  43             'dscp': 0,
  44             'proto': 'udp',
  45             'ttl': 32,
  46             'dstip': '152.16.40.20',
  47             'srcip': '152.16.100.20',
  48             'dstmask': 24,
  49             'srcmask': 24
  50         },
  51         'outer_l4': {
  52             'seed': 1,
  53             'count': 1,
  54             'dstport': 2001,
  55             'srcport': 1234,
  56             'srcportmask': 0,
  57             'dstportmask': 0
  58         },
  59         'traffic_type': 'continuous'
  60     },
  61     DOWNLINK: {
  62         'id': 2,
  63         'bidir': 'False',
  64         'duration': 60,
  65         'rate': 75.2,
  66         'rate_unit': '%',
  67         'outer_l2': {
  68             'framesize': {'128B': '35', '1024B': '65'},
  69             'QinQ': None
  70         },
  71         'outer_l3': {
  72             'count': 1024,
  73             'srcseed': 30,
  74             'dstseed': 40,
  75             'dscp': 0,
  76             'proto': 'udp',
  77             'ttl': 32,
  78             'dstip': '2001::10',
  79             'srcip': '2021::10',
  80             'dstmask': 64,
  81             'srcmask': 64
  82         },
  83         'outer_l4': {
  84             'seed': 1,
  85             'count': 1,
  86             'dstport': 1234,
  87             'srcport': 2001,
  88             'srcportmask': 0,
  89             'dstportmask': 0
  90         },
  91         'traffic_type': 'continuous'
  92     }
  93 }
  94
  95
  96 class TestIxNextgen(unittest.TestCase):
  97
  98     def setUp(self):
  99         self.ixnet = mock.Mock()
 100         self.ixnet.execute = mock.Mock()
 101         self.ixnet.getRoot.return_value = 'my_root'
 102         self.ixnet_gen = ixnet_api.IxNextgen()
 103         self.ixnet_gen._ixnet = self.ixnet
 104
 105     def test_get_config(self):
 106         tg_cfg = {
 107             'vdu': [
 108                 {
 109                     'external-interface': [
 110                         {'virtual-interface': {'vpci': '0000:07:00.1'}},
 111                         {'virtual-interface': {'vpci': '0001:08:01.2'}}
 112                     ]
 113                 },
 114             ],
 115             'mgmt-interface': {
 116                 'ip': 'test1',
 117                 'tg-config': {
 118                     'dut_result_dir': 'test2',
 119                     'version': 'test3',
 120                     'ixchassis': 'test4',
 121                     'tcl_port': 'test5',
 122                 },
 123             }
 124         }
 125
 126         expected = {
 127             'machine': 'test1',
 128             'port': 'test5',
 129             'chassis': 'test4',
 130             'cards': ['0000', '0001'],
 131             'ports': ['07', '08'],
 132             'output_dir': 'test2',
 133             'version': 'test3',
 134             'bidir': True,
 135         }
 136
 137         result = ixnet_api.IxNextgen.get_config(tg_cfg)
 138         self.assertEqual(result, expected)
 139
 140     def test__get_config_element_by_flow_group_name(self):
 141         self.ixnet_gen._ixnet.getList.side_effect = [['traffic_item'],
 142                                                      ['fg_01']]
 143         self.ixnet_gen._ixnet.getAttribute.return_value = 'flow_group_01'
 144         output = self.ixnet_gen._get_config_element_by_flow_group_name(
 145             'flow_group_01')
 146         self.assertEqual('traffic_item/configElement:flow_group_01', output)
 147
 148     def test__get_config_element_by_flow_group_name_no_match(self):
 149         self.ixnet_gen._ixnet.getList.side_effect = [['traffic_item'],
 150                                                      ['fg_01']]
 151         self.ixnet_gen._ixnet.getAttribute.return_value = 'flow_group_02'
 152         output = self.ixnet_gen._get_config_element_by_flow_group_name(
 153             'flow_group_01')
 154         self.assertIsNone(output)
 155
 156     def test__get_stack_item(self):
 157         self.ixnet_gen._ixnet.getList.return_value = ['tcp1', 'tcp2', 'udp']
 158         with mock.patch.object(
 159                 self.ixnet_gen, '_get_config_element_by_flow_group_name') as \
 160                 mock_get_cfg_element:
 161             mock_get_cfg_element.return_value = 'cfg_element'
 162             output = self.ixnet_gen._get_stack_item(mock.ANY, ixnet_api.PROTO_TCP)
 163         self.assertEqual(['tcp1', 'tcp2'], output)
 164
 165     def test__get_stack_item_no_config_element(self):
 166         with mock.patch.object(
 167                 self.ixnet_gen, '_get_config_element_by_flow_group_name',
 168                 return_value=None):
 169             with self.assertRaises(exceptions.IxNetworkFlowNotPresent):
 170                 self.ixnet_gen._get_stack_item(mock.ANY, mock.ANY)
 171
 172     def test__get_field_in_stack_item(self):
 173         self.ixnet_gen._ixnet.getList.return_value = ['field1', 'field2']
 174         output = self.ixnet_gen._get_field_in_stack_item(mock.ANY, 'field2')
 175         self.assertEqual('field2', output)
 176
 177     def test__get_field_in_stack_item_no_field_present(self):
 178         self.ixnet_gen._ixnet.getList.return_value = ['field1', 'field2']
 179         with self.assertRaises(exceptions.IxNetworkFieldNotPresentInStackItem):
 180             self.ixnet_gen._get_field_in_stack_item(mock.ANY, 'field3')
 181
 182     def test__parse_framesize(self):
 183         framesize = {'64B': '75', '512b': '25'}
 184         output = self.ixnet_gen._parse_framesize(framesize)
 185         self.assertEqual(2, len(output))
 186         self.assertIn([64, 64, 75], output)
 187         self.assertIn([512, 512, 25], output)
 188
 189     def test_add_topology(self):
 190         self.ixnet_gen.ixnet.add.return_value = 'obj'
 191         self.ixnet_gen.add_topology('topology 1', 'vports')
 192         self.ixnet_gen.ixnet.add.assert_called_once_with('my_root', 'topology')
 193         self.ixnet_gen.ixnet.setMultiAttribute.assert_called_once_with(
 194             'obj', '-name', 'topology 1', '-vports', 'vports')
 195         self.ixnet_gen.ixnet.commit.assert_called_once()
 196
 197     def test_add_device_group(self):
 198         self.ixnet_gen.ixnet.add.return_value = 'obj'
 199         self.ixnet_gen.add_device_group('topology', 'device group 1', '1')
 200         self.ixnet_gen.ixnet.add.assert_called_once_with('topology',
 201                                                          'deviceGroup')
 202         self.ixnet_gen.ixnet.setMultiAttribute.assert_called_once_with(
 203             'obj', '-name', 'device group 1', '-multiplier', '1')
 204         self.ixnet_gen.ixnet.commit.assert_called_once()
 205
 206     def test_add_ethernet(self):
 207         self.ixnet_gen.ixnet.add.return_value = 'obj'
 208         self.ixnet_gen.add_ethernet('device_group', 'ethernet 1')
 209         self.ixnet_gen.ixnet.add.assert_called_once_with('device_group',
 210                                                          'ethernet')
 211         self.ixnet_gen.ixnet.setMultiAttribute.assert_called_once_with(
 212             'obj', '-name', 'ethernet 1')
 213         self.ixnet_gen.ixnet.commit.assert_called_once()
 214
 215     def test_add_ipv4(self):
 216         self.ixnet_gen.ixnet.add.return_value = 'obj'
 217         self.ixnet_gen.add_ipv4('ethernet 1', name='ipv4 1')
 218         self.ixnet_gen.ixnet.add.assert_called_once_with('ethernet 1', 'ipv4')
 219         self.ixnet_gen.ixnet.setAttribute.assert_called_once_with('obj',
 220                                                                   '-name',
 221                                                                   'ipv4 1')
 222         self.assertEqual(self.ixnet.commit.call_count, 2)
 223
 224     def test_add_ipv4_single(self):
 225         self.ixnet_gen.ixnet.add.return_value = 'obj'
 226         self.ixnet_gen.ixnet.getAttribute.return_value = 'attr'
 227         self.ixnet_gen.add_ipv4('ethernet 1', name='ipv4 1', addr='100.1.1.100',
 228                                 prefix='24', gateway='100.1.1.200')
 229         self.ixnet_gen.ixnet.add.assert_called_once_with('ethernet 1', 'ipv4')
 230         self.ixnet_gen.ixnet.setAttribute.assert_called_once_with('obj',
 231                                                                   '-name',
 232                                                                   'ipv4 1')
 233         self.ixnet_gen.ixnet.setMultiAttribute.assert_any_call(
 234             'attr/singleValue', '-value', '100.1.1.100')
 235         self.ixnet_gen.ixnet.setMultiAttribute.assert_any_call(
 236             'attr/singleValue', '-value', '24')
 237         self.ixnet_gen.ixnet.setMultiAttribute.assert_any_call(
 238             'attr/singleValue', '-value', '100.1.1.200')
 239
 240         self.assertEqual(self.ixnet.commit.call_count, 2)
 241
 242     def test_add_ipv4_counter(self):
 243         self.ixnet_gen.ixnet.add.return_value = 'obj'
 244         self.ixnet_gen.ixnet.getAttribute.return_value = 'attr'
 245         self.ixnet_gen.add_ipv4('ethernet 1', name='ipv4 1',
 246                                 addr='100.1.1.100',
 247                                 addr_step='1',
 248                                 addr_direction='increment',
 249                                 prefix='24',
 250                                 gateway='100.1.1.200',
 251                                 gw_step='1',
 252                                 gw_direction='increment')
 253         self.ixnet_gen.ixnet.add.assert_any_call('ethernet 1', 'ipv4')
 254         self.ixnet_gen.ixnet.setAttribute.assert_called_once_with('obj',
 255                                                                   '-name',
 256                                                                   'ipv4 1')
 257         self.ixnet_gen.ixnet.add.assert_any_call('attr', 'counter')
 258         self.ixnet_gen.ixnet.setMultiAttribute.assert_any_call('obj', '-start',
 259                                                                '100.1.1.100',
 260                                                                '-step', '1',
 261                                                                '-direction',
 262                                                                'increment')
 263         self.ixnet_gen.ixnet.setMultiAttribute.assert_any_call(
 264             'attr/singleValue', '-value', '24')
 265         self.ixnet_gen.ixnet.setMultiAttribute.assert_any_call('obj', '-start',
 266                                                                '100.1.1.200',
 267                                                                '-step', '1',
 268                                                                '-direction',
 269                                                                'increment')
 270         self.assertEqual(self.ixnet.commit.call_count, 2)
 271
 272     def test_add_pppox_client(self):
 273         self.ixnet_gen.ixnet.add.return_value = 'obj'
 274         self.ixnet_gen.ixnet.getAttribute.return_value = 'attr'
 275         self.ixnet_gen.add_pppox_client('ethernet 1', 'pap', 'user', 'pwd')
 276         self.ixnet_gen.ixnet.add.assert_called_once_with('ethernet 1',
 277                                                          'pppoxclient')
 278
 279         self.ixnet_gen.ixnet.setMultiAttribute.assert_any_call(
 280             'attr/singleValue', '-value', 'pap')
 281         self.ixnet_gen.ixnet.setMultiAttribute.assert_any_call(
 282             'attr/singleValue', '-value', 'user')
 283         self.ixnet_gen.ixnet.setMultiAttribute.assert_any_call(
 284             'attr/singleValue', '-value', 'pwd')
 285
 286         self.assertEqual(self.ixnet.commit.call_count, 2)
 287
 288     def test_add_pppox_client_invalid_auth(self):
 289         self.ixnet_gen.ixnet.add.return_value = 'obj'
 290         self.ixnet_gen.ixnet.getAttribute.return_value = 'attr'
 291         self.assertRaises(NotImplementedError, self.ixnet_gen.add_pppox_client,
 292                           'ethernet 1', 'invalid_auth', 'user', 'pwd')
 293
 294         self.ixnet_gen.ixnet.setMultiAttribute.assert_not_called()
 295
 296     @mock.patch.object(IxNetwork, 'IxNet')
 297     def test_connect(self, mock_ixnet):
 298         mock_ixnet.return_value = self.ixnet
 299         with mock.patch.object(self.ixnet_gen, 'get_config') as mock_config:
 300             mock_config.return_value = {'machine': 'machine_fake',
 301                                         'port': 'port_fake',
 302                                         'version': 12345}
 303             self.ixnet_gen.connect(mock.ANY)
 304
 305         self.ixnet.connect.assert_called_once_with(
 306             'machine_fake', '-port', 'port_fake', '-version', '12345')
 307         mock_config.assert_called_once()
 308
 309     def test_connect_invalid_config_no_machine(self):
 310         self.ixnet_gen.get_config = mock.Mock(return_value={
 311             'port': 'port_fake',
 312             'version': '12345'})
 313         self.assertRaises(KeyError, self.ixnet_gen.connect, mock.ANY)
 314         self.ixnet.connect.assert_not_called()
 315
 316     def test_connect_invalid_config_no_port(self):
 317         self.ixnet_gen.get_config = mock.Mock(return_value={
 318             'machine': 'machine_fake',
 319             'version': '12345'})
 320         self.assertRaises(KeyError, self.ixnet_gen.connect, mock.ANY)
 321         self.ixnet.connect.assert_not_called()
 322
 323     def test_connect_invalid_config_no_version(self):
 324         self.ixnet_gen.get_config = mock.Mock(return_value={
 325             'machine': 'machine_fake',
 326             'port': 'port_fake'})
 327         self.assertRaises(KeyError, self.ixnet_gen.connect, mock.ANY)
 328         self.ixnet.connect.assert_not_called()
 329
 330     def test_connect_no_config(self):
 331         self.ixnet_gen.get_config = mock.Mock(return_value={})
 332         self.assertRaises(KeyError, self.ixnet_gen.connect, mock.ANY)
 333         self.ixnet.connect.assert_not_called()
 334
 335     def test_clear_config(self):
 336         self.ixnet_gen.clear_config()
 337         self.ixnet.execute.assert_called_once_with('newConfig')
 338
 339     @mock.patch.object(ixnet_api, 'log')
 340     def test_assign_ports_2_ports(self, *args):
 341         self.ixnet.getAttribute.side_effect = ['up', 'down']
 342         config = {
 343             'chassis': '1.1.1.1',
 344             'cards': ['1', '2'],
 345             'ports': ['2', '2']}
 346         self.ixnet_gen._cfg = config
 347
 348         self.assertIsNone(self.ixnet_gen.assign_ports())
 349         self.assertEqual(self.ixnet.execute.call_count, 1)
 350         self.assertEqual(self.ixnet.commit.call_count, 3)
 351         self.assertEqual(self.ixnet.getAttribute.call_count, 2)
 352
 353     @mock.patch.object(ixnet_api, 'log')
 354     def test_assign_ports_port_down(self, mock_log):
 355         self.ixnet.getAttribute.return_value = 'down'
 356         config = {
 357             'chassis': '1.1.1.1',
 358             'cards': ['1', '2'],
 359             'ports': ['3', '4']}
 360         self.ixnet_gen._cfg = config
 361         self.ixnet_gen.assign_ports()
 362         mock_log.warning.assert_called()
 363
 364     def test_assign_ports_no_config(self):
 365         self.ixnet_gen._cfg = {}
 366         self.assertRaises(KeyError, self.ixnet_gen.assign_ports)
 367
 368     def test__create_traffic_item(self):
 369         self.ixnet.add.return_value = 'my_new_traffic_item'
 370         self.ixnet.remapIds.return_value = ['my_traffic_item_id']
 371
 372         self.ixnet_gen._create_traffic_item()
 373         self.ixnet.add.assert_called_once_with(
 374             'my_root/traffic', 'trafficItem')
 375         self.ixnet.setMultiAttribute.assert_called_once_with(
 376             'my_new_traffic_item', '-name', 'RFC2544', '-trafficType', 'raw')
 377         self.assertEqual(2, self.ixnet.commit.call_count)
 378         self.ixnet.remapIds.assert_called_once_with('my_new_traffic_item')
 379         self.ixnet.setAttribute('my_traffic_item_id/tracking',
 380                                 '-trackBy', 'trafficGroupId0')
 381
 382     def test__create_flow_groups(self):
 383         self.ixnet_gen.ixnet.getList.side_effect = [['traffic_item'], ['1', '2']]
 384         self.ixnet_gen.ixnet.add.side_effect = ['endp1', 'endp2']
 385         self.ixnet_gen._create_flow_groups()
 386         self.ixnet_gen.ixnet.add.assert_has_calls([
 387             mock.call('traffic_item', 'endpointSet'),
 388             mock.call('traffic_item', 'endpointSet')])
 389         self.ixnet_gen.ixnet.setMultiAttribute.assert_has_calls([
 390             mock.call('endp1', '-name', '1', '-sources', ['1/protocols'],
 391                       '-destinations', ['2/protocols']),
 392             mock.call('endp2', '-name', '2', '-sources', ['2/protocols'],
 393                       '-destinations', ['1/protocols'])])
 394
 395     def test__append_protocol_to_stack(self):
 396
 397         self.ixnet_gen._append_procotol_to_stack('my_protocol', 'prev_element')
 398         self.ixnet.execute.assert_called_with(
 399             'append', 'prev_element',
 400             'my_root/traffic/protocolTemplate:"my_protocol"')
 401
 402     def test__setup_config_elements(self):
 403         self.ixnet_gen.ixnet.getList.side_effect = [['traffic_item'],
 404                                                ['cfg_element']]
 405         with mock.patch.object(self.ixnet_gen, '_append_procotol_to_stack') as \
 406                 mock_append_proto:
 407             self.ixnet_gen._setup_config_elements()
 408         mock_append_proto.assert_has_calls([
 409             mock.call(ixnet_api.PROTO_UDP, 'cfg_element/stack:"ethernet-1"'),
 410             mock.call(ixnet_api.PROTO_IPV4, 'cfg_element/stack:"ethernet-1"')])
 411         self.ixnet_gen.ixnet.setAttribute.assert_has_calls([
 412             mock.call('cfg_element/frameRateDistribution', '-portDistribution',
 413                       'splitRateEvenly'),
 414             mock.call('cfg_element/frameRateDistribution',
 415                       '-streamDistribution', 'splitRateEvenly')])
 416
 417     @mock.patch.object(ixnet_api.IxNextgen, '_create_traffic_item')
 418     @mock.patch.object(ixnet_api.IxNextgen, '_create_flow_groups')
 419     @mock.patch.object(ixnet_api.IxNextgen, '_setup_config_elements')
 420     def test_create_traffic_model(self, mock__setup_config_elements,
 421                                   mock__create_flow_groups,
 422                                   mock__create_traffic_item):
 423
 424         self.ixnet_gen.create_traffic_model()
 425         mock__create_traffic_item.assert_called_once()
 426         mock__create_flow_groups.assert_called_once()
 427         mock__setup_config_elements.assert_called_once()
 428
 429     def test__update_frame_mac(self):
 430         with mock.patch.object(self.ixnet_gen, '_get_field_in_stack_item') as \
 431                 mock_get_field:
 432             mock_get_field.return_value = 'field_descriptor'
 433             self.ixnet_gen._update_frame_mac('ethernet_descriptor', 'field', 'mac')
 434         mock_get_field.assert_called_once_with('ethernet_descriptor', 'field')
 435         self.ixnet_gen.ixnet.setMultiAttribute(
 436             'field_descriptor', '-singleValue', 'mac', '-fieldValue', 'mac',
 437             '-valueType', 'singleValue')
 438         self.ixnet_gen.ixnet.commit.assert_called_once()
 439
 440     def test_update_frame(self):
 441         with mock.patch.object(
 442                 self.ixnet_gen, '_get_config_element_by_flow_group_name',
 443                 return_value='cfg_element'), \
 444                 mock.patch.object(self.ixnet_gen, '_update_frame_mac') as \
 445                 mock_update_frame, \
 446                 mock.patch.object(self.ixnet_gen, '_get_stack_item') as \
 447                 mock_get_stack_item:
 448             mock_get_stack_item.side_effect = [['item1'], ['item2'],
 449                                                ['item3'], ['item4']]
 450             self.ixnet_gen.update_frame(TRAFFIC_PARAMETERS, 50)
 451
 452         self.assertEqual(6, len(self.ixnet_gen.ixnet.setMultiAttribute.mock_calls))
 453         self.assertEqual(4, len(mock_update_frame.mock_calls))
 454
 455         self.ixnet_gen.ixnet.setMultiAttribute.assert_has_calls([
 456             mock.call('cfg_element/transmissionControl',
 457                       '-type', 'continuous', '-duration', 50)
 458         ])
 459
 460     def test_update_frame_qinq(self):
 461         with mock.patch.object(self.ixnet_gen,
 462                                '_get_config_element_by_flow_group_name',
 463                                return_value='cfg_element'), \
 464              mock.patch.object(self.ixnet_gen, '_update_frame_mac'),\
 465              mock.patch.object(self.ixnet_gen, '_get_stack_item',
 466                                return_value='item'), \
 467              mock.patch.object(self.ixnet_gen, '_get_field_in_stack_item',
 468                                return_value='field'):
 469
 470             traffic_parameters = deepcopy(TRAFFIC_PARAMETERS)
 471             traffic_parameters[UPLINK]['outer_l2']['QinQ'] = {
 472                 'S-VLAN': {'id': 128,
 473                            'priority': 1,
 474                            'cfi': 0},
 475                 'C-VLAN': {'id': 512,
 476                            'priority': 0,
 477                            'cfi': 2}
 478             }
 479
 480             self.ixnet_gen.update_frame(traffic_parameters, 50)
 481
 482         self.ixnet_gen.ixnet.setMultiAttribute.assert_has_calls([
 483             mock.call('field', '-auto', 'false', '-singleValue', '0x88a8',
 484                       '-fieldValue', '0x88a8', '-valueType', 'singleValue'),
 485             mock.call('field', '-auto', 'false', '-singleValue', 1,
 486                       '-fieldValue', 1, '-valueType', 'singleValue'),
 487             mock.call('field', '-auto', 'false', '-singleValue', 128,
 488                       '-fieldValue', 128, '-valueType', 'singleValue'),
 489             mock.call('field', '-auto', 'false', '-singleValue', 512,
 490                       '-fieldValue', 512, '-valueType', 'singleValue'),
 491             mock.call('field', '-auto', 'false', '-singleValue', 2,
 492                       '-fieldValue', 2, '-valueType', 'singleValue')
 493         ], any_order=True)
 494
 495     def test_update_frame_flow_not_present(self):
 496         with mock.patch.object(
 497                 self.ixnet_gen, '_get_config_element_by_flow_group_name',
 498                 return_value=None):
 499             with self.assertRaises(exceptions.IxNetworkFlowNotPresent):
 500                 self.ixnet_gen.update_frame(TRAFFIC_PARAMETERS, 40)
 501
 502     def test_get_statistics(self):
 503         port_statistics = '::ixNet::OBJ-/statistics/view:"Port Statistics"'
 504         flow_statistics = '::ixNet::OBJ-/statistics/view:"Flow Statistics"'
 505         with mock.patch.object(self.ixnet_gen, '_build_stats_map') as \
 506                 mock_build_stats:
 507             self.ixnet_gen.get_statistics()
 508
 509         mock_build_stats.assert_has_calls([
 510             mock.call(port_statistics, self.ixnet_gen.PORT_STATS_NAME_MAP),
 511             mock.call(flow_statistics, self.ixnet_gen.LATENCY_NAME_MAP)])
 512
 513     def test__update_ipv4_address(self):
 514         with mock.patch.object(self.ixnet_gen, '_get_field_in_stack_item',
 515                                return_value='field_desc'):
 516             self.ixnet_gen._update_ipv4_address(mock.ANY, mock.ANY, '192.168.1.1',
 517                                            100, 26, 25)
 518         self.ixnet_gen.ixnet.setMultiAttribute.assert_called_once_with(
 519             'field_desc', '-seed', 100, '-fixedBits', '192.168.1.1',
 520             '-randomMask', '0.0.0.63', '-valueType', 'random',
 521             '-countValue', 25)
 522
 523     def test__update_udp_port(self):
 524         with mock.patch.object(self.ixnet_gen, '_get_field_in_stack_item',
 525                                return_value='field_desc'):
 526             self.ixnet_gen._update_udp_port(mock.ANY, mock.ANY, 1234,
 527                                             2, 0, 2)
 528
 529         self.ixnet_gen.ixnet.setMultiAttribute.assert_called_once_with(
 530             'field_desc',
 531             '-auto', 'false',
 532             '-seed', 1,
 533             '-fixedBits', 1234,
 534             '-randomMask', 0,
 535             '-valueType', 'random',
 536             '-countValue', 1)
 537
 538     def test_update_ip_packet(self):
 539         with mock.patch.object(self.ixnet_gen, '_update_ipv4_address') as \
 540                 mock_update_add, \
 541                 mock.patch.object(self.ixnet_gen, '_get_stack_item'), \
 542                 mock.patch.object(self.ixnet_gen,
 543                 '_get_config_element_by_flow_group_name', return_value='celm'):
 544             self.ixnet_gen.update_ip_packet(TRAFFIC_PARAMETERS)
 545
 546         self.assertEqual(4, len(mock_update_add.mock_calls))
 547
 548     def test_update_ip_packet_exception_no_config_element(self):
 549         with mock.patch.object(self.ixnet_gen,
 550                                '_get_config_element_by_flow_group_name',
 551                                return_value=None):
 552             with self.assertRaises(exceptions.IxNetworkFlowNotPresent):
 553                 self.ixnet_gen.update_ip_packet(TRAFFIC_PARAMETERS)
 554
 555     def test_update_l4(self):
 556         with mock.patch.object(self.ixnet_gen, '_update_udp_port') as \
 557                 mock_update_udp, \
 558                 mock.patch.object(self.ixnet_gen, '_get_stack_item'), \
 559                 mock.patch.object(self.ixnet_gen,
 560                 '_get_config_element_by_flow_group_name', return_value='celm'):
 561             self.ixnet_gen.update_l4(TRAFFIC_PARAMETERS)
 562
 563         self.assertEqual(4, len(mock_update_udp.mock_calls))
 564
 565     def test_update_l4_exception_no_config_element(self):
 566         with mock.patch.object(self.ixnet_gen,
 567                                '_get_config_element_by_flow_group_name',
 568                                return_value=None):
 569             with self.assertRaises(exceptions.IxNetworkFlowNotPresent):
 570                 self.ixnet_gen.update_l4(TRAFFIC_PARAMETERS)
 571
 572     def test_update_l4_exception_no_supported_proto(self):
 573         traffic_parameters = {
 574             UPLINK: {
 575                 'id': 1,
 576                 'outer_l3': {
 577                     'proto': 'unsupported',
 578                 },
 579             },
 580         }
 581         with mock.patch.object(self.ixnet_gen,
 582                                '_get_config_element_by_flow_group_name',
 583                                return_value='celm'):
 584             with self.assertRaises(exceptions.IXIAUnsupportedProtocol):
 585                 self.ixnet_gen.update_l4(traffic_parameters)
 586
 587     @mock.patch.object(ixnet_api.IxNextgen, '_get_traffic_state')
 588     def test_start_traffic(self, mock_ixnextgen_get_traffic_state):
 589         self.ixnet_gen._ixnet.getList.return_value = [0]
 590
 591         mock_ixnextgen_get_traffic_state.side_effect = [
 592             'stopped', 'started', 'started', 'started']
 593
 594         result = self.ixnet_gen.start_traffic()
 595         self.assertIsNone(result)
 596         self.ixnet.getList.assert_called_once()
 597         self.assertEqual(3, self.ixnet_gen._ixnet.execute.call_count)
 598
 599     @mock.patch.object(ixnet_api.IxNextgen, '_get_traffic_state')
 600     def test_start_traffic_traffic_running(
 601             self, mock_ixnextgen_get_traffic_state):
 602         self.ixnet_gen._ixnet.getList.return_value = [0]
 603         mock_ixnextgen_get_traffic_state.side_effect = [
 604             'started', 'stopped', 'started']
 605
 606         result = self.ixnet_gen.start_traffic()
 607         self.assertIsNone(result)
 608         self.ixnet.getList.assert_called_once()
 609         self.assertEqual(4, self.ixnet_gen._ixnet.execute.call_count)
 610
 611     @mock.patch.object(ixnet_api.IxNextgen, '_get_traffic_state')
 612     def test_start_traffic_wait_for_traffic_to_stop(
 613             self, mock_ixnextgen_get_traffic_state):
 614         self.ixnet_gen._ixnet.getList.return_value = [0]
 615         mock_ixnextgen_get_traffic_state.side_effect = [
 616             'started', 'started', 'started', 'stopped', 'started']
 617
 618         result = self.ixnet_gen.start_traffic()
 619         self.assertIsNone(result)
 620         self.ixnet.getList.assert_called_once()
 621         self.assertEqual(4, self.ixnet_gen._ixnet.execute.call_count)
 622
 623     @mock.patch.object(ixnet_api.IxNextgen, '_get_traffic_state')
 624     def test_start_traffic_wait_for_traffic_start(
 625             self, mock_ixnextgen_get_traffic_state):
 626         self.ixnet_gen._ixnet.getList.return_value = [0]
 627         mock_ixnextgen_get_traffic_state.side_effect = [
 628             'stopped', 'stopped', 'stopped', 'started']
 629
 630         result = self.ixnet_gen.start_traffic()
 631         self.assertIsNone(result)
 632         self.ixnet.getList.assert_called_once()
 633         self.assertEqual(3, self.ixnet_gen._ixnet.execute.call_count)