tests/unit/network_services/traffic_profile/test_rfc2544.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 import unittest
  19 import mock
  20
  21 from tests.unit import STL_MOCKS
  22
  23
  24 STLClient = mock.MagicMock()
  25 stl_patch = mock.patch.dict("sys.modules", STL_MOCKS)
  26 stl_patch.start()
  27
  28 if stl_patch:
  29     from yardstick.network_services.traffic_profile.trex_traffic_profile \
  30         import TrexProfile
  31     from yardstick.network_services.traffic_profile.rfc2544 import \
  32         RFC2544Profile
  33
  34
  35 class TestRFC2544Profile(unittest.TestCase):
  36     TRAFFIC_PROFILE = {
  37         "schema": "isb:traffic_profile:0.1",
  38         "name": "fixed",
  39         "description": "Fixed traffic profile to run UDP traffic",
  40         "traffic_profile": {
  41             "traffic_type": "FixedTraffic",
  42             "frame_rate": 100,  # pps
  43             "flow_number": 10,
  44             "frame_size": 64}}
  45
  46     PROFILE = {'description': 'Traffic profile to run RFC2544 latency',
  47                'name': 'rfc2544',
  48                'traffic_profile': {'traffic_type': 'RFC2544Profile',
  49                                    'frame_rate': 100},
  50                'downlink_0': {'ipv4':
  51                               {'outer_l2': {'framesize':
  52                                             {'64B': '100', '1518B': '0',
  53                                              '128B': '0', '1400B': '0',
  54                                              '256B': '0', '373b': '0',
  55                                              '570B': '0'}},
  56                                'outer_l3v4': {'dstip4': '1.1.1.1-1.15.255.255',
  57                                               'proto': 'udp',
  58                                               'srcip4': '90.90.1.1-90.105.255.255',
  59                                               'dscp': 0, 'ttl': 32, 'count': 1},
  60                                'outer_l4': {'srcport': '2001',
  61                                             'dsrport': '1234', 'count': 1}}},
  62                'uplink_0': {'ipv4':
  63                             {'outer_l2': {'framesize':
  64                                           {'64B': '100', '1518B': '0',
  65                                            '128B': '0', '1400B': '0',
  66                                            '256B': '0', '373b': '0',
  67                                            '570B': '0'}},
  68                              'outer_l3v4': {'dstip4': '9.9.1.1-90.105.255.255',
  69                                             'proto': 'udp',
  70                                             'srcip4': '1.1.1.1-1.15.255.255',
  71                                             'dscp': 0, 'ttl': 32, 'count': 1},
  72                              'outer_l4': {'dstport': '2001',
  73                                           'srcport': '1234', 'count': 1}}},
  74                'schema': 'isb:traffic_profile:0.1'}
  75
  76     def test___init__(self):
  77         r_f_c2544_profile = RFC2544Profile(self.TRAFFIC_PROFILE)
  78         assert r_f_c2544_profile.rate
  79
  80     def test_execute(self):
  81         traffic_generator = mock.Mock(autospec=TrexProfile)
  82         traffic_generator.networks = {
  83             "uplink_0": ["xe0"],
  84             "downlink_0": ["xe1"],
  85         }
  86         traffic_generator.client.return_value = True
  87         r_f_c2544_profile = RFC2544Profile(self.TRAFFIC_PROFILE)
  88         r_f_c2544_profile.params = self.PROFILE
  89         r_f_c2544_profile.first_run = True
  90         self.assertIsNone(r_f_c2544_profile.execute_traffic(traffic_generator))
  91
  92     def test_get_drop_percentage(self):
  93         traffic_generator = mock.Mock(autospec=TrexProfile)
  94         traffic_generator.networks = {
  95             "uplink_0": ["xe0"],
  96             "downlink_0": ["xe1"],
  97         }
  98         traffic_generator.client.return_value = True
  99
 100         r_f_c2544_profile = RFC2544Profile(self.TRAFFIC_PROFILE)
 101         r_f_c2544_profile.params = self.PROFILE
 102         r_f_c2544_profile.register_generator(traffic_generator)
 103         self.assertIsNone(r_f_c2544_profile.execute_traffic(traffic_generator))
 104
 105         samples = {}
 106         for ifname in range(1):
 107             name = "xe{}".format(ifname)
 108             samples[name] = {
 109                 "rx_throughput_fps": 20,
 110                 "tx_throughput_fps": 20,
 111                 "rx_throughput_mbps": 10,
 112                 "tx_throughput_mbps": 10,
 113                 "in_packets": 1000,
 114                 "out_packets": 1000,
 115             }
 116
 117         expected = {
 118             'DropPercentage': 0.0,
 119             'RxThroughput': 100 / 3.0,
 120             'TxThroughput': 100 / 3.0,
 121             'CurrentDropPercentage': 0.0,
 122             'Throughput': 66.66666666666667,
 123             'xe0': {
 124                 'tx_throughput_fps': 20,
 125                 'in_packets': 1000,
 126                 'out_packets': 1000,
 127                 'rx_throughput_mbps': 10,
 128                 'tx_throughput_mbps': 10,
 129                 'rx_throughput_fps': 20,
 130             },
 131         }
 132         traffic_generator.generate_samples.return_value = samples
 133         traffic_generator.RUN_DURATION = 30
 134         traffic_generator.rfc2544_helper.tolerance_low = 0.0001
 135         traffic_generator.rfc2544_helper.tolerance_high = 0.0001
 136         result = r_f_c2544_profile.get_drop_percentage(traffic_generator)
 137         self.assertDictEqual(result, expected)
 138
 139     def test_get_drop_percentage_update(self):
 140         traffic_generator = mock.Mock(autospec=RFC2544Profile)
 141         traffic_generator.networks = {
 142             "uplink_0": ["xe0"],
 143             "downlink_0": ["xe1"],
 144         }
 145         traffic_generator.client = mock.Mock(return_value=True)
 146
 147         r_f_c2544_profile = RFC2544Profile(self.TRAFFIC_PROFILE)
 148         r_f_c2544_profile.params = self.PROFILE
 149         r_f_c2544_profile.register_generator(traffic_generator)
 150         self.assertIsNone(r_f_c2544_profile.execute_traffic())
 151
 152         samples = {}
 153         for ifname in range(1):
 154             name = "xe{}".format(ifname)
 155             samples[name] = {
 156                 "rx_throughput_fps": 20,
 157                 "tx_throughput_fps": 20,
 158                 "rx_throughput_mbps": 10,
 159                 "tx_throughput_mbps": 10,
 160                 "in_packets": 1000,
 161                 "out_packets": 1002,
 162             }
 163         expected = {
 164             'DropPercentage': 0.1996,
 165             'RxThroughput': 33.333333333333336,
 166             'TxThroughput': 33.4,
 167             'CurrentDropPercentage': 0.1996,
 168             'Throughput': 66.66666666666667,
 169             'xe0': {
 170                 'tx_throughput_fps': 20,
 171                 'in_packets': 1000,
 172                 'out_packets': 1002,
 173                 'rx_throughput_mbps': 10,
 174                 'tx_throughput_mbps': 10,
 175                 'rx_throughput_fps': 20,
 176             },
 177         }
 178         traffic_generator.generate_samples = mock.MagicMock(
 179             return_value=samples)
 180         traffic_generator.RUN_DURATION = 30
 181         traffic_generator.rfc2544_helper.tolerance_low = 0.0001
 182         traffic_generator.rfc2544_helper.tolerance_high = 0.0001
 183         result = r_f_c2544_profile.get_drop_percentage(traffic_generator)
 184         self.assertDictEqual(expected, result)
 185
 186     def test_get_drop_percentage_div_zero(self):
 187         traffic_generator = mock.Mock(autospec=TrexProfile)
 188         traffic_generator.networks = {
 189             "uplink_0": ["xe0"],
 190             "downlink_0": ["xe1"],
 191         }
 192         traffic_generator.client = \
 193             mock.Mock(return_value=True)
 194         r_f_c2544_profile = RFC2544Profile(self.TRAFFIC_PROFILE)
 195         r_f_c2544_profile.params = self.PROFILE
 196         self.assertIsNone(r_f_c2544_profile.execute_traffic(traffic_generator))
 197         samples = {}
 198         for ifname in range(1):
 199             name = "xe{}".format(ifname)
 200             samples[name] = {"rx_throughput_fps": 20,
 201                              "tx_throughput_fps": 20,
 202                              "rx_throughput_mbps": 10,
 203                              "tx_throughput_mbps": 10,
 204                              "in_packets": 1000,
 205                              "out_packets": 0}
 206         r_f_c2544_profile.throughput_max = 0
 207         expected = {
 208             'DropPercentage': 100.0, 'RxThroughput': 100 / 3.0,
 209             'TxThroughput': 0.0, 'CurrentDropPercentage': 100.0,
 210             'Throughput': 66.66666666666667,
 211             'xe0': {
 212                 'tx_throughput_fps': 20, 'in_packets': 1000,
 213                 'out_packets': 0, 'rx_throughput_mbps': 10,
 214                 'tx_throughput_mbps': 10, 'rx_throughput_fps': 20
 215             }
 216         }
 217         traffic_generator.generate_samples = mock.Mock(return_value=samples)
 218         traffic_generator.RUN_DURATION = 30
 219         traffic_generator.rfc2544_helper.tolerance_low = 0.0001
 220         traffic_generator.rfc2544_helper.tolerance_high = 0.0001
 221         self.assertDictEqual(expected,
 222                              r_f_c2544_profile.get_drop_percentage(traffic_generator))
 223
 224     def test_get_multiplier(self):
 225         r_f_c2544_profile = RFC2544Profile(self.TRAFFIC_PROFILE)
 226         r_f_c2544_profile.max_rate = 100
 227         r_f_c2544_profile.min_rate = 100
 228         self.assertEqual("1.0", r_f_c2544_profile.get_multiplier())
 229
 230     def test_calculate_pps(self):
 231         r_f_c2544_profile = RFC2544Profile(self.TRAFFIC_PROFILE)
 232         r_f_c2544_profile.rate = 100
 233         r_f_c2544_profile.pps = 100
 234         samples = {'Throughput': 4549093.33}
 235         self.assertEqual((2274546.67, 1.0),
 236                          r_f_c2544_profile.calculate_pps(samples))
 237
 238     def test_create_single_stream(self):
 239         r_f_c2544_profile = RFC2544Profile(self.TRAFFIC_PROFILE)
 240         r_f_c2544_profile._create_single_packet = mock.MagicMock()
 241         r_f_c2544_profile.pg_id = 1
 242         self.assertIsNotNone(
 243             r_f_c2544_profile.create_single_stream(64, 2274546.67))
 244
 245     def test_create_single_stream_no_pg_id(self):
 246         r_f_c2544_profile = RFC2544Profile(self.TRAFFIC_PROFILE)
 247         r_f_c2544_profile._create_single_packet = mock.MagicMock()
 248         r_f_c2544_profile.pg_id = 0
 249         self.assertIsNotNone(
 250             r_f_c2544_profile.create_single_stream(64, 2274546.67))
 251
 252     def test_execute_latency(self):
 253         traffic_generator = mock.Mock(autospec=TrexProfile)
 254         traffic_generator.networks = {
 255             "private_0": ["xe0"],
 256             "public_0": ["xe1"],
 257         }
 258         traffic_generator.client = \
 259             mock.Mock(return_value=True)
 260         r_f_c2544_profile = RFC2544Profile(self.TRAFFIC_PROFILE)
 261         r_f_c2544_profile.params = self.PROFILE
 262         r_f_c2544_profile.first_run = True
 263         samples = {}
 264         for ifname in range(1):
 265             name = "xe{}".format(ifname)
 266             samples[name] = {"rx_throughput_fps": 20,
 267                              "tx_throughput_fps": 20,
 268                              "rx_throughput_mbps": 10,
 269                              "tx_throughput_mbps": 10,
 270                              "in_packets": 1000,
 271                              "out_packets": 0}
 272
 273         samples['Throughput'] = 4549093.33
 274         r_f_c2544_profile.calculate_pps = mock.Mock(return_value=[2274546.67,
 275                                                                   1.0])
 276
 277         self.assertIsNone(r_f_c2544_profile.execute_latency(traffic_generator,
 278                                                             samples))