snaps/openstack/tests/create_network_tests.py

   1 # Copyright (c) 2017 Cable Television Laboratories, Inc. ("CableLabs")
   2 #                    and others.  All rights reserved.
   3 #
   4 # Licensed under the Apache License, Version 2.0 (the "License");
   5 # you may not use this file except in compliance with the License.
   6 # You may obtain a copy of the License at:
   7 #
   8 #     http://www.apache.org/licenses/LICENSE-2.0
   9 #
  10 # Unless required by applicable law or agreed to in writing, software
  11 # distributed under the License is distributed on an "AS IS" BASIS,
  12 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13 # See the License for the specific language governing permissions and
  14 # limitations under the License.
  15 import unittest
  16 import uuid
  17
  18 from snaps.openstack import create_router
  19 from snaps.openstack.create_network import (OpenStackNetwork, NetworkSettings,
  20                                             SubnetSettings, PortSettings,
  21                                             NetworkSettingsError,
  22                                             SubnetSettingsError,
  23                                             PortSettingsError)
  24 from snaps.openstack.tests import openstack_tests
  25 from snaps.openstack.tests.os_source_file_test import (OSIntegrationTestCase,
  26                                                        OSComponentTestCase)
  27 from snaps.openstack.utils import neutron_utils
  28 from snaps.openstack.utils.tests import neutron_utils_tests
  29
  30 __author__ = 'spisarski'
  31
  32
  33 class NetworkSettingsUnitTests(unittest.TestCase):
  34     """
  35     Tests the construction of the NetworkSettings class
  36     """
  37
  38     def test_no_params(self):
  39         with self.assertRaises(NetworkSettingsError):
  40             NetworkSettings()
  41
  42     def test_empty_config(self):
  43         with self.assertRaises(NetworkSettingsError):
  44             NetworkSettings(**dict())
  45
  46     def test_name_only(self):
  47         settings = NetworkSettings(name='foo')
  48         self.assertEqual('foo', settings.name)
  49         self.assertTrue(settings.admin_state_up)
  50         self.assertIsNone(settings.shared)
  51         self.assertIsNone(settings.project_name)
  52         self.assertFalse(settings.external)
  53         self.assertIsNone(settings.network_type)
  54         self.assertEqual(0, len(settings.subnet_settings))
  55
  56     def test_config_with_name_only(self):
  57         settings = NetworkSettings(**{'name': 'foo'})
  58         self.assertEqual('foo', settings.name)
  59         self.assertTrue(settings.admin_state_up)
  60         self.assertIsNone(settings.shared)
  61         self.assertIsNone(settings.project_name)
  62         self.assertFalse(settings.external)
  63         self.assertIsNone(settings.network_type)
  64         self.assertEqual(0, len(settings.subnet_settings))
  65
  66     def test_all(self):
  67         sub_settings = SubnetSettings(name='foo-subnet', cidr='10.0.0.0/24')
  68         settings = NetworkSettings(name='foo', admin_state_up=False,
  69                                    shared=True, project_name='bar',
  70                                    external=True,
  71                                    network_type='flat', physical_network='phy',
  72                                    subnet_settings=[sub_settings])
  73         self.assertEqual('foo', settings.name)
  74         self.assertFalse(settings.admin_state_up)
  75         self.assertTrue(settings.shared)
  76         self.assertEqual('bar', settings.project_name)
  77         self.assertTrue(settings.external)
  78         self.assertEqual('flat', settings.network_type)
  79         self.assertEqual('phy', settings.physical_network)
  80         self.assertEqual(1, len(settings.subnet_settings))
  81         self.assertEqual('foo-subnet', settings.subnet_settings[0].name)
  82
  83     def test_config_all(self):
  84         settings = NetworkSettings(
  85             **{'name': 'foo', 'admin_state_up': False, 'shared': True,
  86                'project_name': 'bar', 'external': True, 'network_type': 'flat',
  87                'physical_network': 'phy',
  88                'subnets':
  89                    [{'subnet': {'name': 'foo-subnet',
  90                                 'cidr': '10.0.0.0/24'}}]})
  91         self.assertEqual('foo', settings.name)
  92         self.assertFalse(settings.admin_state_up)
  93         self.assertTrue(settings.shared)
  94         self.assertEqual('bar', settings.project_name)
  95         self.assertTrue(settings.external)
  96         self.assertEqual('flat', settings.network_type)
  97         self.assertEqual('phy', settings.physical_network)
  98         self.assertEqual(1, len(settings.subnet_settings))
  99         self.assertEqual('foo-subnet', settings.subnet_settings[0].name)
 100
 101
 102 class SubnetSettingsUnitTests(unittest.TestCase):
 103     """
 104     Tests the construction of the SubnetSettings class
 105     """
 106
 107     def test_no_params(self):
 108         with self.assertRaises(SubnetSettingsError):
 109             SubnetSettings()
 110
 111     def test_empty_config(self):
 112         with self.assertRaises(SubnetSettingsError):
 113             SubnetSettings(**dict())
 114
 115     def test_name_only(self):
 116         with self.assertRaises(SubnetSettingsError):
 117             SubnetSettings(name='foo')
 118
 119     def test_config_with_name_only(self):
 120         with self.assertRaises(SubnetSettingsError):
 121             SubnetSettings(**{'name': 'foo'})
 122
 123     def test_name_cidr_only(self):
 124         settings = SubnetSettings(name='foo', cidr='10.0.0.0/24')
 125         self.assertEqual('foo', settings.name)
 126         self.assertEqual('10.0.0.0/24', settings.cidr)
 127         self.assertEqual(4, settings.ip_version)
 128         self.assertIsNone(settings.project_name)
 129         self.assertIsNone(settings.start)
 130         self.assertIsNone(settings.end)
 131         self.assertIsNone(settings.enable_dhcp)
 132         self.assertEqual(1, len(settings.dns_nameservers))
 133         self.assertEqual('8.8.8.8', settings.dns_nameservers[0])
 134         self.assertIsNone(settings.host_routes)
 135         self.assertIsNone(settings.destination)
 136         self.assertIsNone(settings.nexthop)
 137         self.assertIsNone(settings.ipv6_ra_mode)
 138         self.assertIsNone(settings.ipv6_address_mode)
 139
 140     def test_config_with_name_cidr_only(self):
 141         settings = SubnetSettings(**{'name': 'foo', 'cidr': '10.0.0.0/24'})
 142         self.assertEqual('foo', settings.name)
 143         self.assertEqual('10.0.0.0/24', settings.cidr)
 144         self.assertEqual(4, settings.ip_version)
 145         self.assertIsNone(settings.project_name)
 146         self.assertIsNone(settings.start)
 147         self.assertIsNone(settings.end)
 148         self.assertIsNone(settings.gateway_ip)
 149         self.assertIsNone(settings.enable_dhcp)
 150         self.assertEqual(1, len(settings.dns_nameservers))
 151         self.assertEqual('8.8.8.8', settings.dns_nameservers[0])
 152         self.assertIsNone(settings.host_routes)
 153         self.assertIsNone(settings.destination)
 154         self.assertIsNone(settings.nexthop)
 155         self.assertIsNone(settings.ipv6_ra_mode)
 156         self.assertIsNone(settings.ipv6_address_mode)
 157
 158     def test_all(self):
 159         host_routes = {'destination': '0.0.0.0/0', 'nexthop': '123.456.78.9'}
 160         settings = SubnetSettings(name='foo', cidr='10.0.0.0/24', ip_version=6,
 161                                   project_name='bar-project',
 162                                   start='10.0.0.2', end='10.0.0.101',
 163                                   gateway_ip='10.0.0.1', enable_dhcp=False,
 164                                   dns_nameservers=['8.8.8.8'],
 165                                   host_routes=[host_routes],
 166                                   destination='dest',
 167                                   nexthop='hop',
 168                                   ipv6_ra_mode='dhcpv6-stateful',
 169                                   ipv6_address_mode='slaac')
 170         self.assertEqual('foo', settings.name)
 171         self.assertEqual('10.0.0.0/24', settings.cidr)
 172         self.assertEqual(6, settings.ip_version)
 173         self.assertEqual('bar-project', settings.project_name)
 174         self.assertEqual('10.0.0.2', settings.start)
 175         self.assertEqual('10.0.0.101', settings.end)
 176         self.assertEqual('10.0.0.1', settings.gateway_ip)
 177         self.assertEqual(False, settings.enable_dhcp)
 178         self.assertEqual(1, len(settings.dns_nameservers))
 179         self.assertEqual('8.8.8.8', settings.dns_nameservers[0])
 180         self.assertEqual(1, len(settings.host_routes))
 181         self.assertEqual(host_routes, settings.host_routes[0])
 182         self.assertEqual('dest', settings.destination)
 183         self.assertEqual('hop', settings.nexthop)
 184         self.assertEqual('dhcpv6-stateful', settings.ipv6_ra_mode)
 185         self.assertEqual('slaac', settings.ipv6_address_mode)
 186
 187     def test_config_all(self):
 188         host_routes = {'destination': '0.0.0.0/0', 'nexthop': '123.456.78.9'}
 189         settings = SubnetSettings(
 190             **{'name': 'foo', 'cidr': '10.0.0.0/24', 'ip_version': 6,
 191                'project_name': 'bar-project', 'start': '10.0.0.2',
 192                'end': '10.0.0.101',
 193                'gateway_ip': '10.0.0.1', 'enable_dhcp': False,
 194                'dns_nameservers': ['8.8.8.8'], 'host_routes': [host_routes],
 195                'destination': 'dest', 'nexthop': 'hop',
 196                'ipv6_ra_mode': 'dhcpv6-stateful',
 197                'ipv6_address_mode': 'slaac'})
 198         self.assertEqual('foo', settings.name)
 199         self.assertEqual('10.0.0.0/24', settings.cidr)
 200         self.assertEqual(6, settings.ip_version)
 201         self.assertEqual('bar-project', settings.project_name)
 202         self.assertEqual('10.0.0.2', settings.start)
 203         self.assertEqual('10.0.0.101', settings.end)
 204         self.assertEqual('10.0.0.1', settings.gateway_ip)
 205         self.assertEqual(False, settings.enable_dhcp)
 206         self.assertEqual(1, len(settings.dns_nameservers))
 207         self.assertEqual('8.8.8.8', settings.dns_nameservers[0])
 208         self.assertEqual(1, len(settings.host_routes))
 209         self.assertEqual(host_routes, settings.host_routes[0])
 210         self.assertEqual('dest', settings.destination)
 211         self.assertEqual('hop', settings.nexthop)
 212         self.assertEqual('dhcpv6-stateful', settings.ipv6_ra_mode)
 213         self.assertEqual('slaac', settings.ipv6_address_mode)
 214
 215
 216 class PortSettingsUnitTests(unittest.TestCase):
 217     """
 218     Tests the construction of the PortSettings class
 219     """
 220
 221     def test_no_params(self):
 222         with self.assertRaises(PortSettingsError):
 223             PortSettings()
 224
 225     def test_empty_config(self):
 226         with self.assertRaises(PortSettingsError):
 227             PortSettings(**dict())
 228
 229     def test_name_only(self):
 230         with self.assertRaises(PortSettingsError):
 231             PortSettings(name='foo')
 232
 233     def test_config_name_only(self):
 234         with self.assertRaises(PortSettingsError):
 235             PortSettings(**{'name': 'foo'})
 236
 237     def test_name_netname_only(self):
 238         settings = PortSettings(name='foo', network_name='bar')
 239         self.assertEqual('foo', settings.name)
 240         self.assertEqual('bar', settings.network_name)
 241         self.assertTrue(settings.admin_state_up)
 242         self.assertIsNone(settings.project_name)
 243         self.assertIsNone(settings.mac_address)
 244         self.assertIsNone(settings.ip_addrs)
 245         self.assertIsNone(settings.fixed_ips)
 246         self.assertIsNone(settings.security_groups)
 247         self.assertIsNone(settings.allowed_address_pairs)
 248         self.assertIsNone(settings.opt_value)
 249         self.assertIsNone(settings.opt_name)
 250         self.assertIsNone(settings.device_owner)
 251         self.assertIsNone(settings.device_id)
 252
 253     def test_config_with_name_netname_only(self):
 254         settings = PortSettings(**{'name': 'foo', 'network_name': 'bar'})
 255         self.assertEqual('foo', settings.name)
 256         self.assertEqual('bar', settings.network_name)
 257         self.assertTrue(settings.admin_state_up)
 258         self.assertIsNone(settings.project_name)
 259         self.assertIsNone(settings.mac_address)
 260         self.assertIsNone(settings.ip_addrs)
 261         self.assertIsNone(settings.fixed_ips)
 262         self.assertIsNone(settings.security_groups)
 263         self.assertIsNone(settings.allowed_address_pairs)
 264         self.assertIsNone(settings.opt_value)
 265         self.assertIsNone(settings.opt_name)
 266         self.assertIsNone(settings.device_owner)
 267         self.assertIsNone(settings.device_id)
 268
 269     def test_all(self):
 270         ip_addrs = [{'subnet_name', 'foo-sub', 'ip', '10.0.0.10'}]
 271         fixed_ips = {'sub_id', '10.0.0.10'}
 272         allowed_address_pairs = {'10.0.0.101', '1234.5678'}
 273
 274         settings = PortSettings(name='foo', network_name='bar',
 275                                 admin_state_up=False,
 276                                 project_name='foo-project',
 277                                 mac_address='1234', ip_addrs=ip_addrs,
 278                                 fixed_ips=fixed_ips,
 279                                 security_groups=['foo_grp_id'],
 280                                 allowed_address_pairs=allowed_address_pairs,
 281                                 opt_value='opt value', opt_name='opt name',
 282                                 device_owner='owner',
 283                                 device_id='device number')
 284         self.assertEqual('foo', settings.name)
 285         self.assertEqual('bar', settings.network_name)
 286         self.assertFalse(settings.admin_state_up)
 287         self.assertEqual('foo-project', settings.project_name)
 288         self.assertEqual('1234', settings.mac_address)
 289         self.assertEqual(ip_addrs, settings.ip_addrs)
 290         self.assertEqual(fixed_ips, settings.fixed_ips)
 291         self.assertEqual(1, len(settings.security_groups))
 292         self.assertEqual('foo_grp_id', settings.security_groups[0])
 293         self.assertEqual(allowed_address_pairs, settings.allowed_address_pairs)
 294         self.assertEqual('opt value', settings.opt_value)
 295         self.assertEqual('opt name', settings.opt_name)
 296         self.assertEqual('owner', settings.device_owner)
 297         self.assertEqual('device number', settings.device_id)
 298
 299     def test_config_all(self):
 300         ip_addrs = [{'subnet_name', 'foo-sub', 'ip', '10.0.0.10'}]
 301         fixed_ips = {'sub_id', '10.0.0.10'}
 302         allowed_address_pairs = {'10.0.0.101', '1234.5678'}
 303
 304         settings = PortSettings(
 305             **{'name': 'foo', 'network_name': 'bar', 'admin_state_up': False,
 306                'project_name': 'foo-project', 'mac_address': '1234',
 307                'ip_addrs': ip_addrs,
 308                'fixed_ips': fixed_ips, 'security_groups': ['foo_grp_id'],
 309                'allowed_address_pairs': allowed_address_pairs,
 310                'opt_value': 'opt value',
 311                'opt_name': 'opt name', 'device_owner': 'owner',
 312                'device_id': 'device number'})
 313         self.assertEqual('foo', settings.name)
 314         self.assertEqual('bar', settings.network_name)
 315         self.assertFalse(settings.admin_state_up)
 316         self.assertEqual('foo-project', settings.project_name)
 317         self.assertEqual('1234', settings.mac_address)
 318         self.assertEqual(ip_addrs, settings.ip_addrs)
 319         self.assertEqual(fixed_ips, settings.fixed_ips)
 320         self.assertEqual(1, len(settings.security_groups))
 321         self.assertEqual('foo_grp_id', settings.security_groups[0])
 322         self.assertEqual(allowed_address_pairs, settings.allowed_address_pairs)
 323         self.assertEqual('opt value', settings.opt_value)
 324         self.assertEqual('opt name', settings.opt_name)
 325         self.assertEqual('owner', settings.device_owner)
 326         self.assertEqual('device number', settings.device_id)
 327
 328
 329 class CreateNetworkSuccessTests(OSIntegrationTestCase):
 330     """
 331     Test for the CreateNework class defined in create_nework.py
 332     """
 333
 334     def setUp(self):
 335         """
 336         Sets up object for test
 337         """
 338         super(self.__class__, self).__start__()
 339
 340         guid = self.__class__.__name__ + '-' + str(uuid.uuid4())
 341         self.net_config = openstack_tests.get_pub_net_config(
 342             net_name=guid + '-pub-net', subnet_name=guid + '-pub-subnet',
 343             router_name=guid + '-pub-router', external_net=self.ext_net_name)
 344
 345         self.neutron = neutron_utils.neutron_client(self.os_creds)
 346
 347         # Initialize for cleanup
 348         self.net_creator = None
 349         self.router_creator = None
 350         self.neutron = neutron_utils.neutron_client(self.os_creds)
 351
 352     def tearDown(self):
 353         """
 354         Cleans the network
 355         """
 356         if self.router_creator:
 357             self.router_creator.clean()
 358
 359         if self.net_creator:
 360             if len(self.net_creator.get_subnets()) > 0:
 361                 # Validate subnet has been deleted
 362                 neutron_utils_tests.validate_subnet(
 363                     self.neutron,
 364                     self.net_creator.network_settings.subnet_settings[0].name,
 365                     self.net_creator.network_settings.subnet_settings[0].cidr,
 366                     False)
 367
 368             if self.net_creator.get_network():
 369                 # Validate network has been deleted
 370                 neutron_utils_tests.validate_network(
 371                     self.neutron, self.net_creator.network_settings.name,
 372                     False)
 373             self.net_creator.clean()
 374
 375         super(self.__class__, self).__clean__()
 376
 377     def test_create_network_without_router(self):
 378         """
 379         Tests the creation of an OpenStack network without a router.
 380         """
 381         # Create Nework
 382         self.net_creator = OpenStackNetwork(self.os_creds,
 383                                             self.net_config.network_settings)
 384         self.net_creator.create()
 385
 386         # Validate network was created
 387         neutron_utils_tests.validate_network(
 388             self.neutron, self.net_creator.network_settings.name, True)
 389
 390         # Validate subnets
 391         neutron_utils_tests.validate_subnet(
 392             self.neutron,
 393             self.net_creator.network_settings.subnet_settings[0].name,
 394             self.net_creator.network_settings.subnet_settings[0].cidr, True)
 395
 396     def test_create_delete_network(self):
 397         """
 398         Tests the creation of an OpenStack network, it's deletion, then cleanup
 399         """
 400         # Create Nework
 401         self.net_creator = OpenStackNetwork(self.os_creds,
 402                                             self.net_config.network_settings)
 403         self.net_creator.create()
 404
 405         # Validate network was created
 406         neutron_utils_tests.validate_network(
 407             self.neutron, self.net_creator.network_settings.name, True)
 408
 409         neutron_utils.delete_network(self.neutron,
 410                                      self.net_creator.get_network())
 411         self.assertIsNone(neutron_utils.get_network(
 412             self.neutron, self.net_creator.network_settings.name))
 413
 414         # This shall not throw an exception here
 415         self.net_creator.clean()
 416
 417     def test_create_network_with_router(self):
 418         """
 419         Tests the creation of an OpenStack network with a router.
 420         """
 421         # Create Network
 422         self.net_creator = OpenStackNetwork(self.os_creds,
 423                                             self.net_config.network_settings)
 424         self.net_creator.create()
 425
 426         # Create Router
 427         self.router_creator = create_router.OpenStackRouter(
 428             self.os_creds, self.net_config.router_settings)
 429         self.router_creator.create()
 430
 431         # Validate network was created
 432         neutron_utils_tests.validate_network(
 433             self.neutron, self.net_creator.network_settings.name, True)
 434
 435         # Validate subnets
 436         neutron_utils_tests.validate_subnet(
 437             self.neutron,
 438             self.net_creator.network_settings.subnet_settings[0].name,
 439             self.net_creator.network_settings.subnet_settings[0].cidr, True)
 440
 441         # Validate routers
 442         neutron_utils_tests.validate_router(
 443             self.neutron, self.router_creator.router_settings.name, True)
 444
 445         neutron_utils_tests.validate_interface_router(
 446             self.router_creator.get_internal_router_interface(),
 447             self.router_creator.get_router(),
 448             self.net_creator.get_subnets()[0])
 449
 450     def test_create_networks_same_name(self):
 451         """
 452         Tests the creation of an OpenStack network and ensures that the
 453         OpenStackNetwork object will not create a second.
 454         """
 455         # Create Nework
 456         self.net_creator = OpenStackNetwork(self.os_creds,
 457                                             self.net_config.network_settings)
 458         self.net_creator.create()
 459
 460         self.net_creator2 = OpenStackNetwork(self.os_creds,
 461                                              self.net_config.network_settings)
 462         self.net_creator2.create()
 463
 464         self.assertEqual(self.net_creator.get_network().id,
 465                          self.net_creator2.get_network().id)
 466
 467
 468 class CreateNetworkTypeTests(OSComponentTestCase):
 469     """
 470     Test for the CreateNework class defined in create_nework.py for testing
 471     creating networks of different types
 472     """
 473
 474     def setUp(self):
 475         """
 476         Sets up object for test
 477         """
 478         guid = self.__class__.__name__ + '-' + str(uuid.uuid4())
 479         self.net_config = openstack_tests.get_pub_net_config(
 480             net_name=guid + '-pub-net', subnet_name=guid + '-pub-subnet')
 481
 482         self.neutron = neutron_utils.neutron_client(self.os_creds)
 483
 484         # Initialize for cleanup
 485         self.net_creator = None
 486         self.neutron = neutron_utils.neutron_client(self.os_creds)
 487
 488     def tearDown(self):
 489         """
 490         Cleans the network
 491         """
 492         if self.net_creator:
 493             if len(self.net_creator.get_subnets()) > 0:
 494                 # Validate subnet has been deleted
 495                 neutron_utils_tests.validate_subnet(
 496                     self.neutron,
 497                     self.net_creator.network_settings.subnet_settings[0].name,
 498                     self.net_creator.network_settings.subnet_settings[0].cidr,
 499                     False)
 500
 501             if self.net_creator.get_network():
 502                 # Validate network has been deleted
 503                 neutron_utils_tests.validate_network(
 504                     self.neutron, self.net_creator.network_settings.name,
 505                     False)
 506             self.net_creator.clean()
 507
 508     def test_create_network_type_vlan(self):
 509         """
 510         Tests the creation of an OpenStack network of type vlan.
 511         """
 512         # Create Network
 513         network_type = 'vlan'
 514         net_settings = NetworkSettings(
 515             name=self.net_config.network_settings.name,
 516             subnet_settings=self.net_config.network_settings.subnet_settings,
 517             network_type=network_type)
 518
 519         # When setting the network_type, creds must be admin
 520         self.net_creator = OpenStackNetwork(self.os_creds, net_settings)
 521         network = self.net_creator.create()
 522
 523         # Validate network was created
 524         neutron_utils_tests.validate_network(
 525             self.neutron, net_settings.name, True)
 526
 527         self.assertEquals(network_type, network.type)
 528
 529     def test_create_network_type_vxlan(self):
 530         """
 531         Tests the creation of an OpenStack network of type vxlan.
 532         """
 533         # Create Network
 534         network_type = 'vxlan'
 535         net_settings = NetworkSettings(
 536             name=self.net_config.network_settings.name,
 537             subnet_settings=self.net_config.network_settings.subnet_settings,
 538             network_type=network_type)
 539
 540         # When setting the network_type, creds must be admin
 541         self.net_creator = OpenStackNetwork(self.os_creds, net_settings)
 542         network = self.net_creator.create()
 543
 544         # Validate network was created
 545         neutron_utils_tests.validate_network(self.neutron, net_settings.name,
 546                                              True)
 547
 548         self.assertEqual(network_type, network.type)
 549
 550     def test_create_network_type_flat(self):
 551         """
 552         Tests the creation of an OpenStack network of type flat.
 553         """
 554         # Create Network
 555         network_type = 'flat'
 556
 557         # TODO - this value must be variable to work on all OpenStack pods
 558         physical_network = 'datacentre'
 559         net_settings = NetworkSettings(
 560             name=self.net_config.network_settings.name,
 561             subnet_settings=self.net_config.network_settings.subnet_settings,
 562             network_type=network_type, physical_network=physical_network)
 563         self.net_creator = OpenStackNetwork(self.os_creds, net_settings)
 564         network = self.net_creator.create()
 565
 566         # Validate network was created
 567         neutron_utils_tests.validate_network(
 568             self.neutron, net_settings.name, True)
 569
 570         self.assertEquals(network_type, network.type)
 571
 572     def test_create_network_type_foo(self):
 573         """
 574         Tests the creation of an OpenStack network of type foo which should
 575         raise an exception.
 576         """
 577         # Create Network
 578         network_type = 'foo'
 579         net_settings = NetworkSettings(
 580             name=self.net_config.network_settings.name,
 581             subnet_settings=self.net_config.network_settings.subnet_settings,
 582             network_type=network_type)
 583         self.net_creator = OpenStackNetwork(self.os_creds, net_settings)
 584         with self.assertRaises(Exception):
 585             self.net_creator.create()