yardstick/tests/unit/network_services/traffic_profile/test_ixia_rfc2544.py

   1 # Copyright (c) 2016-2017 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 from copy import deepcopy
  16
  17 import mock
  18 import unittest
  19
  20 from yardstick.network_services.traffic_profile import ixia_rfc2544
  21 from yardstick.network_services.traffic_profile import trex_traffic_profile
  22
  23
  24 class TestIXIARFC2544Profile(unittest.TestCase):
  25
  26     TRAFFIC_PROFILE = {
  27         "schema": "isb:traffic_profile:0.1",
  28         "name": "fixed",
  29         "description": "Fixed traffic profile to run UDP traffic",
  30         "traffic_profile": {
  31             "traffic_type": "FixedTraffic",
  32             "frame_rate": 100,  # pps
  33             "flow_number": 10,
  34             "frame_size": 64,
  35         },
  36     }
  37
  38     PROFILE = {
  39         'description': 'Traffic profile to run RFC2544 latency',
  40         'name': 'rfc2544',
  41         'traffic_profile': {
  42             'traffic_type': 'IXIARFC2544Profile',
  43             'frame_rate': 100},
  44         ixia_rfc2544.IXIARFC2544Profile.DOWNLINK: {
  45             'ipv4': {
  46                 'outer_l2': {
  47                     'framesize': {
  48                         '64B': '100',
  49                         '1518B': '0',
  50                         '128B': '0',
  51                         '1400B': '0',
  52                         '256B': '0',
  53                         '373b': '0',
  54                         '570B': '0'}},
  55                 'outer_l3v4': {
  56                     'dstip4': '1.1.1.1-1.15.255.255',
  57                     'proto': 'udp',
  58                     'count': '1',
  59                     'srcip4': '90.90.1.1-90.105.255.255',
  60                     'dscp': 0,
  61                     'ttl': 32},
  62                 'outer_l4': {
  63                     'srcport': '2001',
  64                     'dsrport': '1234'}}},
  65         ixia_rfc2544.IXIARFC2544Profile.UPLINK: {
  66             'ipv4': {
  67                 'outer_l2': {
  68                     'framesize': {
  69                         '64B': '100',
  70                         '1518B': '0',
  71                         '128B': '0',
  72                         '1400B': '0',
  73                         '256B': '0',
  74                         '373b': '0',
  75                         '570B': '0'}},
  76                 'outer_l3v4': {
  77                     'dstip4': '9.9.1.1-90.105.255.255',
  78                     'proto': 'udp',
  79                     'count': '1',
  80                     'srcip4': '1.1.1.1-1.15.255.255',
  81                     'dscp': 0,
  82                     'ttl': 32},
  83                 'outer_l4': {
  84                     'dstport': '2001',
  85                     'srcport': '1234'}}},
  86         'schema': 'isb:traffic_profile:0.1'}
  87
  88     def test_get_ixia_traffic_profile_error(self):
  89         traffic_generator = mock.Mock(
  90             autospec=trex_traffic_profile.TrexProfile)
  91         traffic_generator.my_ports = [0, 1]
  92         traffic_generator.uplink_ports = [-1]
  93         traffic_generator.downlink_ports = [1]
  94         traffic_generator.client = \
  95             mock.Mock(return_value=True)
  96         STATIC_TRAFFIC = {
  97             ixia_rfc2544.IXIARFC2544Profile.UPLINK: {
  98                 "id": 1,
  99                 "bidir": "False",
 100                 "duration": 60,
 101                 "iload": "100",
 102                 "outer_l2": {
 103                     "dstmac": "00:00:00:00:00:03",
 104                     "framesPerSecond": True,
 105                     "framesize": 64,
 106                     "srcmac": "00:00:00:00:00:01"
 107                 },
 108                 "outer_l3": {
 109                     "dscp": 0,
 110                     "dstip4": "152.16.40.20",
 111                     "proto": "udp",
 112                     "srcip4": "152.16.100.20",
 113                     "ttl": 32
 114                 },
 115                 "outer_l3v4": {
 116                     "dscp": 0,
 117                     "dstip4": "152.16.40.20",
 118                     "proto": "udp",
 119                     "srcip4": "152.16.100.20",
 120                     "ttl": 32
 121                 },
 122                 "outer_l3v6": {
 123                     "count": 1024,
 124                     "dscp": 0,
 125                     "dstip4": "152.16.100.20",
 126                     "proto": "udp",
 127                     "srcip4": "152.16.40.20",
 128                     "ttl": 32
 129                 },
 130                 "outer_l4": {
 131                     "dstport": "2001",
 132                     "srcport": "1234"
 133                 },
 134                 "traffic_type": "continuous"
 135             },
 136             ixia_rfc2544.IXIARFC2544Profile.DOWNLINK: {
 137                 "id": 2,
 138                 "bidir": "False",
 139                 "duration": 60,
 140                 "iload": "100",
 141                 "outer_l2": {
 142                     "dstmac": "00:00:00:00:00:04",
 143                     "framesPerSecond": True,
 144                     "framesize": 64,
 145                     "srcmac": "00:00:00:00:00:01"
 146                 },
 147                 "outer_l3": {
 148                     "count": 1024,
 149                     "dscp": 0,
 150                     "dstip4": "152.16.100.20",
 151                     "proto": "udp",
 152                     "srcip4": "152.16.40.20",
 153                     "ttl": 32
 154                 },
 155                 "outer_l3v4": {
 156                     "count": 1024,
 157                     "dscp": 0,
 158                     "dstip4": "152.16.100.20",
 159                     "proto": "udp",
 160                     "srcip4": "152.16.40.20",
 161                     "ttl": 32
 162                 },
 163                 "outer_l3v6": {
 164                     "count": 1024,
 165                     "dscp": 0,
 166                     "dstip4": "152.16.100.20",
 167                     "proto": "udp",
 168                     "srcip4": "152.16.40.20",
 169                     "ttl": 32
 170                 },
 171                 "outer_l4": {
 172                     "dstport": "1234",
 173                     "srcport": "2001"
 174                 },
 175                 "traffic_type": "continuous"
 176             }
 177         }
 178         ixia_rfc2544.STATIC_TRAFFIC = STATIC_TRAFFIC
 179
 180         r_f_c2544_profile = ixia_rfc2544.IXIARFC2544Profile(
 181             self.TRAFFIC_PROFILE)
 182         r_f_c2544_profile.rate = 100
 183         mac = {"src_mac_0": "00:00:00:00:00:01",
 184                "src_mac_1": "00:00:00:00:00:02",
 185                "src_mac_2": "00:00:00:00:00:02",
 186                "dst_mac_0": "00:00:00:00:00:03",
 187                "dst_mac_1": "00:00:00:00:00:04",
 188                "dst_mac_2": "00:00:00:00:00:04"}
 189         result = r_f_c2544_profile._get_ixia_traffic_profile(self.PROFILE, mac)
 190         self.assertIsNotNone(result)
 191
 192     def test_get_ixia_traffic_profile(self):
 193         traffic_generator = mock.Mock(
 194             autospec=trex_traffic_profile.TrexProfile)
 195         traffic_generator.my_ports = [0, 1]
 196         traffic_generator.uplink_ports = [-1]
 197         traffic_generator.downlink_ports = [1]
 198         traffic_generator.client = \
 199             mock.Mock(return_value=True)
 200         STATIC_TRAFFIC = {
 201             ixia_rfc2544.IXIARFC2544Profile.UPLINK: {
 202                 "id": 1,
 203                 "bidir": "False",
 204                 "duration": 60,
 205                 "iload": "100",
 206                 "outer_l2": {
 207                     "dstmac": "00:00:00:00:00:03",
 208                     "framesPerSecond": True,
 209                     "framesize": 64,
 210                     "srcmac": "00:00:00:00:00:01"
 211                 },
 212                 "outer_l3": {
 213                     "dscp": 0,
 214                     "dstip4": "152.16.40.20",
 215                     "proto": "udp",
 216                     "srcip4": "152.16.100.20",
 217                     "ttl": 32
 218                 },
 219                 "outer_l3v4": {
 220                     "dscp": 0,
 221                     "dstip4": "152.16.40.20",
 222                     "proto": "udp",
 223                     "srcip4": "152.16.100.20",
 224                     "ttl": 32,
 225                     "count": "1"
 226                 },
 227                 "outer_l3v6": {
 228                     "dscp": 0,
 229                     "dstip4": "152.16.100.20",
 230                     "proto": "udp",
 231                     "srcip4": "152.16.40.20",
 232                     "ttl": 32,
 233                 },
 234                 "outer_l4": {
 235                     "dstport": "2001",
 236                     "srcport": "1234",
 237                     "count": "1"
 238                 },
 239                 "traffic_type": "continuous"
 240             },
 241             ixia_rfc2544.IXIARFC2544Profile.DOWNLINK: {
 242                 "id": 2,
 243                 "bidir": "False",
 244                 "duration": 60,
 245                 "iload": "100",
 246                 "outer_l2": {
 247                     "dstmac": "00:00:00:00:00:04",
 248                     "framesPerSecond": True,
 249                     "framesize": 64,
 250                     "srcmac": "00:00:00:00:00:01"
 251                 },
 252                 "outer_l3": {
 253                     "count": 1024,
 254                     "dscp": 0,
 255                     "dstip4": "152.16.100.20",
 256                     "proto": "udp",
 257                     "srcip4": "152.16.40.20",
 258                     "ttl": 32
 259                 },
 260                 "outer_l3v4": {
 261                     "dscp": 0,
 262                     "dstip4": "152.16.100.20",
 263                     "proto": "udp",
 264                     "srcip4": "152.16.40.20",
 265                     "ttl": 32,
 266                 },
 267                 "outer_l3v6": {
 268                     "dscp": 0,
 269                     "dstip4": "152.16.100.20",
 270                     "proto": "udp",
 271                     "srcip4": "152.16.40.20",
 272                     "ttl": 32,
 273                 },
 274                 "outer_l4": {
 275                     "dstport": "1234",
 276                     "srcport": "2001",
 277                     "count": "1"
 278                 },
 279                 "traffic_type": "continuous"
 280             }
 281         }
 282         ixia_rfc2544.STATIC_TRAFFIC = STATIC_TRAFFIC
 283
 284         r_f_c2544_profile = ixia_rfc2544.IXIARFC2544Profile(
 285             self.TRAFFIC_PROFILE)
 286         r_f_c2544_profile.rate = 100
 287         mac = {"src_mac_0": "00:00:00:00:00:01",
 288                "src_mac_1": "00:00:00:00:00:02",
 289                "src_mac_2": "00:00:00:00:00:02",
 290                "dst_mac_0": "00:00:00:00:00:03",
 291                "dst_mac_1": "00:00:00:00:00:04",
 292                "dst_mac_2": "00:00:00:00:00:04"}
 293         result = r_f_c2544_profile._get_ixia_traffic_profile(self.PROFILE, mac)
 294         self.assertIsNotNone(result)
 295
 296     @mock.patch("yardstick.network_services.traffic_profile.ixia_rfc2544.open")
 297     def test_get_ixia_traffic_profile_v6(self, *args):
 298         traffic_generator = mock.Mock(
 299             autospec=trex_traffic_profile.TrexProfile)
 300         traffic_generator.my_ports = [0, 1]
 301         traffic_generator.uplink_ports = [-1]
 302         traffic_generator.downlink_ports = [1]
 303         traffic_generator.client = \
 304             mock.Mock(return_value=True)
 305         STATIC_TRAFFIC = {
 306             ixia_rfc2544.IXIARFC2544Profile.UPLINK: {
 307                 "id": 1,
 308                 "bidir": "False",
 309                 "duration": 60,
 310                 "iload": "100",
 311                 "outer_l2": {
 312                     "dstmac": "00:00:00:00:00:03",
 313                     "framesPerSecond": True,
 314                     "framesize": 64,
 315                     "srcmac": "00:00:00:00:00:01"
 316                 },
 317                 "outer_l3": {
 318                     "dscp": 0,
 319                     "dstip4": "152.16.40.20",
 320                     "proto": "udp",
 321                     "srcip4": "152.16.100.20",
 322                     "ttl": 32
 323                 },
 324                 "outer_l3v4": {
 325                     "dscp": 0,
 326                     "dstip4": "152.16.40.20",
 327                     "proto": "udp",
 328                     "srcip4": "152.16.100.20",
 329                     "ttl": 32
 330                 },
 331                 "outer_l3v6": {
 332                     "count": 1024,
 333                     "dscp": 0,
 334                     "dstip4": "152.16.100.20",
 335                     "proto": "udp",
 336                     "srcip4": "152.16.40.20",
 337                     "ttl": 32
 338                 },
 339                 "outer_l4": {
 340                     "dstport": "2001",
 341                     "srcport": "1234"
 342                 },
 343                 "traffic_type": "continuous"
 344             },
 345             ixia_rfc2544.IXIARFC2544Profile.DOWNLINK: {
 346                 "id": 2,
 347                 "bidir": "False",
 348                 "duration": 60,
 349                 "iload": "100",
 350                 "outer_l2": {
 351                     "dstmac": "00:00:00:00:00:04",
 352                     "framesPerSecond": True,
 353                     "framesize": 64,
 354                     "srcmac": "00:00:00:00:00:01"
 355                 },
 356                 "outer_l3": {
 357                     "count": 1024,
 358                     "dscp": 0,
 359                     "dstip4": "152.16.100.20",
 360                     "proto": "udp",
 361                     "srcip4": "152.16.40.20",
 362                     "ttl": 32
 363                 },
 364                 "outer_l3v4": {
 365                     "count": 1024,
 366                     "dscp": 0,
 367                     "dstip4": "152.16.100.20",
 368                     "proto": "udp",
 369                     "srcip4": "152.16.40.20",
 370                     "ttl": 32
 371                 },
 372                 "outer_l3v6": {
 373                     "count": 1024,
 374                     "dscp": 0,
 375                     "dstip4": "152.16.100.20",
 376                     "proto": "udp",
 377                     "srcip4": "152.16.40.20",
 378                     "ttl": 32
 379                 },
 380                 "outer_l4": {
 381                     "dstport": "1234",
 382                     "srcport": "2001"
 383                 },
 384                 "traffic_type": "continuous"
 385             }
 386         }
 387         ixia_rfc2544.STATIC_TRAFFIC = STATIC_TRAFFIC
 388
 389         r_f_c2544_profile = ixia_rfc2544.IXIARFC2544Profile(
 390             self.TRAFFIC_PROFILE)
 391         r_f_c2544_profile.rate = 100
 392         mac = {"src_mac_0": "00:00:00:00:00:01",
 393                "src_mac_1": "00:00:00:00:00:02",
 394                "src_mac_2": "00:00:00:00:00:02",
 395                "dst_mac_0": "00:00:00:00:00:03",
 396                "dst_mac_1": "00:00:00:00:00:04",
 397                "dst_mac_2": "00:00:00:00:00:04"}
 398         profile_data = {'description': 'Traffic profile to run RFC2544',
 399                         'name': 'rfc2544',
 400                         'traffic_profile':
 401                         {'traffic_type': 'IXIARFC2544Profile',
 402                          'frame_rate': 100},
 403                         ixia_rfc2544.IXIARFC2544Profile.DOWNLINK:
 404                         {'ipv4':
 405                          {'outer_l2': {'framesize':
 406                                        {'64B': '100', '1518B': '0',
 407                                         '128B': '0', '1400B': '0',
 408                                         '256B': '0', '373b': '0',
 409                                         '570B': '0'}},
 410                           'outer_l3v4': {'dstip4': '1.1.1.1-1.15.255.255',
 411                                          'proto': 'udp', 'count': '1',
 412                                          'srcip4': '90.90.1.1-90.105.255.255',
 413                                          'dscp': 0, 'ttl': 32},
 414                           'outer_l3v6': {'dstip6': '1.1.1.1-1.15.255.255',
 415                                          'proto': 'udp', 'count': '1',
 416                                          'srcip6': '90.90.1.1-90.105.255.255',
 417                                          'dscp': 0, 'ttl': 32},
 418                           'outer_l4': {'srcport': '2001',
 419                                        'dsrport': '1234'}}},
 420                         ixia_rfc2544.IXIARFC2544Profile.UPLINK: {'ipv4':
 421                                                     {'outer_l2': {'framesize':
 422                                                                   {'64B': '100', '1518B': '0',
 423                                                                    '128B': '0', '1400B': '0',
 424                                                                    '256B': '0', '373b': '0',
 425                                                                    '570B': '0'}},
 426                                                         'outer_l3v4':
 427                                                         {'dstip4': '9.9.1.1-90.105.255.255',
 428                                                          'proto': 'udp', 'count': '1',
 429                                                          'srcip4': '1.1.1.1-1.15.255.255',
 430                                                          'dscp': 0, 'ttl': 32},
 431                                                         'outer_l3v6':
 432                                                         {'dstip6': '9.9.1.1-90.105.255.255',
 433                                                          'proto': 'udp', 'count': '1',
 434                                                          'srcip6': '1.1.1.1-1.15.255.255',
 435                                                          'dscp': 0, 'ttl': 32},
 436
 437                                                         'outer_l4': {'dstport': '2001',
 438                                                                      'srcport': '1234'}}},
 439                         'schema': 'isb:traffic_profile:0.1'}
 440         result = r_f_c2544_profile._get_ixia_traffic_profile(profile_data, mac)
 441         self.assertIsNotNone(result)
 442
 443     def test__get_ixia_traffic_profile_default_args(self):
 444         r_f_c2544_profile = ixia_rfc2544.IXIARFC2544Profile(
 445             self.TRAFFIC_PROFILE)
 446
 447         expected = {}
 448         result = r_f_c2544_profile._get_ixia_traffic_profile({})
 449         self.assertDictEqual(result, expected)
 450
 451     def test__ixia_traffic_generate(self):
 452         traffic_generator = mock.Mock(
 453             autospec=trex_traffic_profile.TrexProfile)
 454         traffic_generator.networks = {
 455             "uplink_0": ["xe0"],
 456             "downlink_0": ["xe1"],
 457         }
 458         traffic_generator.client = \
 459             mock.Mock(return_value=True)
 460         traffic = {ixia_rfc2544.IXIARFC2544Profile.DOWNLINK: {'iload': 10},
 461                    ixia_rfc2544.IXIARFC2544Profile.UPLINK: {'iload': 10}}
 462         ixia_obj = mock.MagicMock()
 463         r_f_c2544_profile = ixia_rfc2544.IXIARFC2544Profile(
 464             self.TRAFFIC_PROFILE)
 465         r_f_c2544_profile.rate = 100
 466         result = r_f_c2544_profile._ixia_traffic_generate(traffic, ixia_obj)
 467         self.assertIsNone(result)
 468
 469     def test_execute_traffic_first_run(self):
 470         rfc2544_profile = ixia_rfc2544.IXIARFC2544Profile(self.TRAFFIC_PROFILE)
 471         rfc2544_profile.first_run = True
 472         rfc2544_profile.rate = 50
 473         with mock.patch.object(rfc2544_profile, '_get_ixia_traffic_profile') \
 474                 as mock_get_tp, \
 475                 mock.patch.object(rfc2544_profile, '_ixia_traffic_generate') \
 476                 as mock_tgenerate, \
 477                 mock.patch.object(rfc2544_profile, 'update_traffic_profile') \
 478                 as mock_update_tp:
 479             mock_get_tp.return_value = 'fake_tprofile'
 480             output = rfc2544_profile.execute_traffic(mock.ANY,
 481                                                      ixia_obj=mock.ANY)
 482
 483         self.assertTrue(output)
 484         self.assertFalse(rfc2544_profile.first_run)
 485         self.assertEqual(50, rfc2544_profile.max_rate)
 486         self.assertEqual(0, rfc2544_profile.min_rate)
 487         mock_get_tp.assert_called_once()
 488         mock_tgenerate.assert_called_once()
 489         mock_update_tp.assert_called_once()
 490
 491     def test_execute_traffic_not_first_run(self):
 492         rfc2544_profile = ixia_rfc2544.IXIARFC2544Profile(self.TRAFFIC_PROFILE)
 493         rfc2544_profile.first_run = False
 494         rfc2544_profile.max_rate = 70
 495         rfc2544_profile.min_rate = 0
 496         with mock.patch.object(rfc2544_profile, '_get_ixia_traffic_profile') \
 497                 as mock_get_tp, \
 498                 mock.patch.object(rfc2544_profile, '_ixia_traffic_generate') \
 499                 as mock_tgenerate:
 500             mock_get_tp.return_value = 'fake_tprofile'
 501             rfc2544_profile.full_profile = mock.ANY
 502             output = rfc2544_profile.execute_traffic(mock.ANY,
 503                                                      ixia_obj=mock.ANY)
 504
 505         self.assertFalse(output)
 506         self.assertEqual(35.0, rfc2544_profile.rate)
 507         mock_get_tp.assert_called_once()
 508         mock_tgenerate.assert_called_once()
 509
 510     def test_update_traffic_profile(self):
 511         traffic_generator = mock.Mock(
 512             autospec=trex_traffic_profile.TrexProfile)
 513         traffic_generator.networks = {
 514             "uplink_0": ["xe0"],  # private, one value for intfs
 515             "downlink_0": ["xe1", "xe2"],  # public, two values for intfs
 516             "downlink_1": ["xe3"],  # not in TRAFFIC PROFILE
 517             "tenant_0": ["xe4"],  # not public or private
 518         }
 519
 520         ports_expected = [8, 3, 5]
 521         traffic_generator.vnfd_helper.port_num.side_effect = ports_expected
 522         traffic_generator.client.return_value = True
 523
 524         traffic_profile = deepcopy(self.TRAFFIC_PROFILE)
 525         traffic_profile.update({
 526             "uplink_0": ["xe0"],
 527             "downlink_0": ["xe1", "xe2"],
 528         })
 529
 530         r_f_c2544_profile = ixia_rfc2544.IXIARFC2544Profile(traffic_profile)
 531         r_f_c2544_profile.full_profile = {}
 532         r_f_c2544_profile.get_streams = mock.Mock()
 533
 534         self.assertIsNone(
 535             r_f_c2544_profile.update_traffic_profile(traffic_generator))
 536         self.assertEqual(r_f_c2544_profile.ports, ports_expected)
 537
 538     def test_get_drop_percentage_completed(self):
 539         samples = {'iface_name_1':
 540                        {'RxThroughput': 10, 'TxThroughput': 10,
 541                         'in_packets': 1000, 'out_packets': 1000},
 542                    'iface_name_2':
 543                        {'RxThroughput': 11, 'TxThroughput': 13,
 544                         'in_packets': 1005, 'out_packets': 1007}
 545                    }
 546         rfc2544_profile = ixia_rfc2544.IXIARFC2544Profile(self.TRAFFIC_PROFILE)
 547         completed, samples = rfc2544_profile.get_drop_percentage(samples, 0, 1)
 548         self.assertTrue(completed)
 549         self.assertEqual(23.0, samples['TxThroughput'])
 550         self.assertEqual(21.0, samples['RxThroughput'])
 551         self.assertEqual(0.1, samples['DropPercentage'])
 552
 553     def test_get_drop_percentage_over_drop_percentage(self):
 554         samples = {'iface_name_1':
 555                        {'RxThroughput': 10, 'TxThroughput': 10,
 556                         'in_packets': 1000, 'out_packets': 1000},
 557                    'iface_name_2':
 558                        {'RxThroughput': 11, 'TxThroughput': 13,
 559                         'in_packets': 1005, 'out_packets': 1007}
 560                    }
 561         rfc2544_profile = ixia_rfc2544.IXIARFC2544Profile(self.TRAFFIC_PROFILE)
 562         rfc2544_profile.rate = 1000
 563         completed, samples = rfc2544_profile.get_drop_percentage(
 564             samples, 0, 0.05)
 565         self.assertFalse(completed)
 566         self.assertEqual(23.0, samples['TxThroughput'])
 567         self.assertEqual(21.0, samples['RxThroughput'])
 568         self.assertEqual(0.1, samples['DropPercentage'])
 569         self.assertEqual(rfc2544_profile.rate, rfc2544_profile.max_rate)
 570
 571     def test_get_drop_percentage_under_drop_percentage(self):
 572         samples = {'iface_name_1':
 573                        {'RxThroughput': 10, 'TxThroughput': 10,
 574                         'in_packets': 1000, 'out_packets': 1000},
 575                    'iface_name_2':
 576                        {'RxThroughput': 11, 'TxThroughput': 13,
 577                         'in_packets': 1005, 'out_packets': 1007}
 578                    }
 579         rfc2544_profile = ixia_rfc2544.IXIARFC2544Profile(self.TRAFFIC_PROFILE)
 580         rfc2544_profile.rate = 1000
 581         completed, samples = rfc2544_profile.get_drop_percentage(
 582             samples, 0.2, 1)
 583         self.assertFalse(completed)
 584         self.assertEqual(23.0, samples['TxThroughput'])
 585         self.assertEqual(21.0, samples['RxThroughput'])
 586         self.assertEqual(0.1, samples['DropPercentage'])
 587         self.assertEqual(rfc2544_profile.rate, rfc2544_profile.min_rate)
 588
 589     @mock.patch.object(ixia_rfc2544.LOG, 'info')
 590     def test_get_drop_percentage_not_flow(self, *args):
 591         samples = {'iface_name_1':
 592                        {'RxThroughput': 0, 'TxThroughput': 10,
 593                         'in_packets': 1000, 'out_packets': 0},
 594                    'iface_name_2':
 595                        {'RxThroughput': 0, 'TxThroughput': 13,
 596                         'in_packets': 1005, 'out_packets': 0}
 597                    }
 598         rfc2544_profile = ixia_rfc2544.IXIARFC2544Profile(self.TRAFFIC_PROFILE)
 599         rfc2544_profile.rate = 1000
 600         completed, samples = rfc2544_profile.get_drop_percentage(
 601             samples, 0.2, 1)
 602         self.assertFalse(completed)
 603         self.assertEqual(23.0, samples['TxThroughput'])
 604         self.assertEqual(0, samples['RxThroughput'])
 605         self.assertEqual(100, samples['DropPercentage'])
 606         self.assertEqual(rfc2544_profile.rate, rfc2544_profile.max_rate)
 607
 608     def test_get_drop_percentage_first_run(self):
 609         samples = {'iface_name_1':
 610                        {'RxThroughput': 10, 'TxThroughput': 10,
 611                         'in_packets': 1000, 'out_packets': 1000},
 612                    'iface_name_2':
 613                        {'RxThroughput': 11, 'TxThroughput': 13,
 614                         'in_packets': 1005, 'out_packets': 1007}
 615                    }
 616         rfc2544_profile = ixia_rfc2544.IXIARFC2544Profile(self.TRAFFIC_PROFILE)
 617         completed, samples = rfc2544_profile.get_drop_percentage(
 618             samples, 0, 1, first_run=True)
 619         self.assertTrue(completed)
 620         self.assertEqual(23.0, samples['TxThroughput'])
 621         self.assertEqual(21.0, samples['RxThroughput'])
 622         self.assertEqual(0.1, samples['DropPercentage'])
 623         self.assertEqual(33.45, rfc2544_profile.rate)