tests/unit/network_services/vnf_generic/vnf/test_base.py

   1 #!/usr/bin/env python
   2
   3 # Copyright (c) 2016-2017 Intel Corporation
   4 #
   5 # Licensed under the Apache License, Version 2.0 (the "License");
   6 # you may not use this file except in compliance with the License.
   7 # You may obtain a copy of the License at
   8 #
   9 #      http://www.apache.org/licenses/LICENSE-2.0
  10 #
  11 # Unless required by applicable law or agreed to in writing, software
  12 # distributed under the License is distributed on an "AS IS" BASIS,
  13 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14 # See the License for the specific language governing permissions and
  15 # limitations under the License.
  16 #
  17
  18 # Unittest for yardstick.network_services.vnf_generic.vnf.test_base
  19
  20 import multiprocessing
  21 import os
  22
  23 import mock
  24 import unittest
  25
  26 from yardstick.network_services.vnf_generic.vnf import base
  27 from yardstick.ssh import SSH
  28
  29
  30 IP_PIPELINE_CFG_FILE_TPL = ("arp_route_tbl = ({port0_local_ip_hex},"
  31                             "{port0_netmask_hex},1,{port1_local_ip_hex}) "
  32                             "({port1_local_ip_hex},{port1_netmask_hex},0,"
  33                             "{port0_local_ip_hex})")
  34
  35 IP_PIPELINE_ND_CFG_FILE_TPL = """
  36 nd_route_tbl = ({port1_dst_ip_hex6},"""
  37 """{port1_dst_netmask_hex6},1,{port1_dst_ip_hex6})"""
  38
  39 _LOCAL_OBJECT = object()
  40
  41 VNFD_0 = {
  42     'short-name': 'VpeVnf',
  43     'vdu': [
  44         {
  45             'routing_table': [
  46                 {
  47                     'network': '152.16.100.20',
  48                     'netmask': '255.255.255.0',
  49                     'gateway': '152.16.100.20',
  50                     'if': 'xe0'
  51                 },
  52                 {
  53                     'network': '152.16.40.20',
  54                     'netmask': '255.255.255.0',
  55                     'gateway': '152.16.40.20',
  56                     'if': 'xe1'
  57                 },
  58             ],
  59             'description': 'VPE approximation using DPDK',
  60             'name': 'vpevnf-baremetal',
  61             'nd_route_tbl': [
  62                 {
  63                     'network': '0064:ff9b:0:0:0:0:9810:6414',
  64                     'netmask': '112',
  65                     'gateway': '0064:ff9b:0:0:0:0:9810:6414',
  66                     'if': 'xe0'
  67                 },
  68                 {
  69                     'network': '0064:ff9b:0:0:0:0:9810:2814',
  70                     'netmask': '112',
  71                     'gateway': '0064:ff9b:0:0:0:0:9810:2814',
  72                     'if': 'xe1'
  73                 },
  74             ],
  75             'id': 'vpevnf-baremetal',
  76             'external-interface': [
  77                 {
  78                     'virtual-interface': {
  79                         'dst_mac': '00:00:00:00:00:03',
  80                         'vpci': '0000:05:00.0',
  81                         'local_ip': '152.16.100.19',
  82                         'type': 'PCI-PASSTHROUGH',
  83                         'netmask': '255.255.255.0',
  84                         'dpdk_port_num': 0,
  85                         'bandwidth': '10 Gbps',
  86                         'dst_ip': '152.16.100.20',
  87                         'local_mac': '00:00:00:00:00:01'
  88                     },
  89                     'vnfd-connection-point-ref': 'xe0',
  90                     'name': 'xe0'
  91                 },
  92                 {
  93                     'virtual-interface': {
  94                         'dst_mac': '00:00:00:00:00:04',
  95                         'vpci': '0000:05:00.1',
  96                         'local_ip': '152.16.40.19',
  97                         'type': 'PCI-PASSTHROUGH',
  98                         'netmask': '255.255.255.0',
  99                         'dpdk_port_num': 1,
 100                         'bandwidth': '10 Gbps',
 101                         'dst_ip': '152.16.40.20',
 102                         'local_mac': '00:00:00:00:00:02'
 103                     },
 104                     'vnfd-connection-point-ref': 'xe1',
 105                     'name': 'xe1'
 106                 },
 107             ],
 108         },
 109     ],
 110     'description': 'Vpe approximation using DPDK',
 111     'mgmt-interface': {
 112         'vdu-id': 'vpevnf-baremetal',
 113         'host': '1.1.1.1',
 114         'password': 'r00t',
 115         'user': 'root',
 116         'ip': '1.1.1.1'
 117     },
 118     'benchmark': {
 119         'kpi': [
 120             'packets_in',
 121             'packets_fwd',
 122             'packets_dropped',
 123         ],
 124     },
 125     'connection-point': [
 126         {
 127             'type': 'VPORT',
 128             'name': 'xe0',
 129         },
 130         {
 131             'type': 'VPORT',
 132             'name': 'xe1',
 133         },
 134     ],
 135     'id': 'VpeApproxVnf', 'name': 'VPEVnfSsh'
 136 }
 137
 138 VNFD = {
 139     'vnfd:vnfd-catalog': {
 140         'vnfd': [
 141             VNFD_0,
 142         ]
 143     }
 144 }
 145
 146
 147 class FileAbsPath(object):
 148     def __init__(self, module_file):
 149         super(FileAbsPath, self).__init__()
 150         self.module_path = os.path.dirname(os.path.abspath(module_file))
 151
 152     def get_path(self, filename):
 153         file_path = os.path.join(self.module_path, filename)
 154         return file_path
 155
 156
 157 def mock_ssh(mock_ssh_type, spec=None, exec_result=_LOCAL_OBJECT, run_result=_LOCAL_OBJECT):
 158     if spec is None:
 159         spec = SSH
 160
 161     if exec_result is _LOCAL_OBJECT:
 162         exec_result = 0, "", ""
 163
 164     if run_result is _LOCAL_OBJECT:
 165         run_result = 0, "", ""
 166
 167     mock_ssh_instance = mock.Mock(autospec=spec)
 168     mock_ssh_instance._get_client.return_value = mock.Mock()
 169     mock_ssh_instance.execute.return_value = exec_result
 170     mock_ssh_instance.run.return_value = run_result
 171     mock_ssh_type.from_node.return_value = mock_ssh_instance
 172     return mock_ssh_instance
 173
 174
 175 class TestQueueFileWrapper(unittest.TestCase):
 176     def setUp(self):
 177         self.prompt = "pipeline>"
 178         self.q_in = multiprocessing.Queue()
 179         self.q_out = multiprocessing.Queue()
 180
 181     def test___init__(self):
 182         queue_file_wrapper = \
 183             base.QueueFileWrapper(self.q_in, self.q_out, self.prompt)
 184         self.assertEqual(queue_file_wrapper.prompt, self.prompt)
 185
 186     def test_clear(self):
 187         queue_file_wrapper = \
 188             base.QueueFileWrapper(self.q_in, self.q_out, self.prompt)
 189         queue_file_wrapper.bufsize = 5
 190         queue_file_wrapper.write("pipeline>")
 191         queue_file_wrapper.close()
 192         self.assertIsNone(queue_file_wrapper.clear())
 193         self.assertIsNotNone(queue_file_wrapper.q_out.empty())
 194
 195     def test_close(self):
 196         queue_file_wrapper = \
 197             base.QueueFileWrapper(self.q_in, self.q_out, self.prompt)
 198         self.assertEqual(None, queue_file_wrapper.close())
 199
 200     def test_read(self):
 201         queue_file_wrapper = \
 202             base.QueueFileWrapper(self.q_in, self.q_out, self.prompt)
 203         queue_file_wrapper.q_in.put("pipeline>")
 204         self.assertEqual("pipeline>", queue_file_wrapper.read(20))
 205
 206     def test_write(self):
 207         queue_file_wrapper = \
 208             base.QueueFileWrapper(self.q_in, self.q_out, self.prompt)
 209         queue_file_wrapper.write("pipeline>")
 210         self.assertIsNotNone(queue_file_wrapper.q_out.empty())
 211
 212
 213 class TestGenericVNF(unittest.TestCase):
 214
 215     def test_definition(self):
 216         """Make sure that the abstract class cannot be instantiated"""
 217         with self.assertRaises(TypeError) as exc:
 218             # pylint: disable=abstract-class-instantiated
 219             base.GenericVNF('vnf1', VNFD['vnfd:vnfd-catalog']['vnfd'][0])
 220         msg = ("Can't instantiate abstract class GenericVNF with abstract "
 221                "methods collect_kpi, instantiate, scale, terminate, "
 222                "wait_for_instantiate")
 223         self.assertEqual(msg, str(exc.exception))
 224
 225
 226 class TestGenericTrafficGen(unittest.TestCase):
 227
 228     def test_definition(self):
 229         """Make sure that the abstract class cannot be instantiated"""
 230         vnfd = VNFD['vnfd:vnfd-catalog']['vnfd'][0]
 231         name = 'vnf1'
 232         with self.assertRaises(TypeError) as exc:
 233             # pylint: disable=abstract-class-instantiated
 234             base.GenericTrafficGen(name, vnfd)
 235         msg = ("Can't instantiate abstract class GenericTrafficGen with "
 236                "abstract methods collect_kpi, instantiate, run_traffic, "
 237                "scale, terminate")
 238         self.assertEqual(msg, str(exc.exception))