/usr/lib/python3/dist-packages/os_win/tests/unit/utils/network/test_nvgreutils.py is in python3-os-win 3.0.0-0ubuntu1.
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# All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
"""
Unit tests for the Hyper-V NVGRE support.
"""
import mock
from os_win import constants
from os_win import exceptions
from os_win.tests.unit import test_base
from os_win.utils.network import nvgreutils
class TestNvgreUtils(test_base.OsWinBaseTestCase):
_FAKE_RDID = 'fake_rdid'
_FAKE_NETWORK_NAME = 'fake_network_name'
_FAKE_VSID = 9001
_FAKE_DEST_PREFIX = 'fake_dest_prefix'
_FAKE_GW_BAD = '10.0.0.1'
_FAKE_GW = '10.0.0.2'
def setUp(self):
super(TestNvgreUtils, self).setUp()
self.utils = nvgreutils.NvgreUtils()
self.utils._utils = mock.MagicMock()
self.utils._scimv2 = mock.MagicMock()
def _create_mock_binding(self):
binding = mock.MagicMock()
binding.BindName = self.utils._WNV_BIND_NAME
binding.Name = mock.sentinel.fake_network
net_binds = self.utils._scimv2.MSFT_NetAdapterBindingSettingData
net_binds.return_value = [binding]
return binding
@mock.patch.object(nvgreutils.NvgreUtils, 'get_network_iface_ip')
@mock.patch.object(nvgreutils.NvgreUtils, '_get_network_iface_index')
def test_create_provider_address(self, mock_get_iface_index,
mock_get_iface_ip):
mock_get_iface_index.return_value = mock.sentinel.iface_index
mock_get_iface_ip.return_value = (mock.sentinel.iface_ip,
mock.sentinel.prefix_len)
provider_addr = mock.MagicMock()
scimv2 = self.utils._scimv2
obj_class = scimv2.MSFT_NetVirtualizationProviderAddressSettingData
obj_class.return_value = [provider_addr]
self.utils.create_provider_address(mock.sentinel.fake_network,
mock.sentinel.fake_vlan_id)
self.assertTrue(provider_addr.Delete_.called)
obj_class.new.assert_called_once_with(
ProviderAddress=mock.sentinel.iface_ip,
VlanID=mock.sentinel.fake_vlan_id,
InterfaceIndex=mock.sentinel.iface_index,
PrefixLength=mock.sentinel.prefix_len)
@mock.patch.object(nvgreutils.NvgreUtils, 'get_network_iface_ip')
@mock.patch.object(nvgreutils.NvgreUtils, '_get_network_iface_index')
def test_create_provider_address_exc(self, mock_get_iface_index,
mock_get_iface_ip):
mock_get_iface_ip.return_value = (None, None)
self.assertRaises(exceptions.NotFound,
self.utils.create_provider_address,
mock.sentinel.fake_network,
mock.sentinel.fake_vlan_id)
@mock.patch.object(nvgreutils.NvgreUtils, 'get_network_iface_ip')
@mock.patch.object(nvgreutils.NvgreUtils, '_get_network_iface_index')
def test_create_provider_address_exists(self, mock_get_iface_index,
mock_get_iface_ip):
mock_get_iface_index.return_value = mock.sentinel.iface_index
mock_get_iface_ip.return_value = (mock.sentinel.iface_ip,
mock.sentinel.prefix_len)
provider_addr = mock.MagicMock(
VlanID=mock.sentinel.fake_vlan_id,
InterfaceIndex=mock.sentinel.iface_index)
scimv2 = self.utils._scimv2
obj_class = scimv2.MSFT_NetVirtualizationProviderAddressSettingData
obj_class.return_value = [provider_addr]
self.utils.create_provider_address(mock.sentinel.fake_network,
mock.sentinel.fake_vlan_id)
self.assertFalse(obj_class.new.called)
@mock.patch.object(nvgreutils.NvgreUtils, '_get_network_iface_index')
def test_create_provider_route(self, mock_get_iface_index):
mock_get_iface_index.return_value = mock.sentinel.iface_index
self.utils._scimv2.MSFT_NetVirtualizationProviderRouteSettingData = (
mock.MagicMock(return_value=[]))
self.utils.create_provider_route(mock.sentinel.fake_network)
scimv2 = self.utils._scimv2
obj_class = scimv2.MSFT_NetVirtualizationProviderRouteSettingData
obj_class.new.assert_called_once_with(
InterfaceIndex=mock.sentinel.iface_index,
DestinationPrefix='%s/0' % constants.IPV4_DEFAULT,
NextHop=constants.IPV4_DEFAULT)
@mock.patch.object(nvgreutils.NvgreUtils, '_get_network_iface_index')
def test_create_provider_route_none(self, mock_get_iface_index):
mock_get_iface_index.return_value = None
self.utils.create_provider_route(mock.sentinel.fake_network)
scimv2 = self.utils._scimv2
self.assertFalse(
scimv2.MSFT_NetVirtualizationProviderRouteSettingData.new.called)
@mock.patch.object(nvgreutils.NvgreUtils, '_get_network_iface_index')
def test_create_provider_route_exists(self, mock_get_iface_index):
mock_get_iface_index.return_value = mock.sentinel.iface_index
self.utils._scimv2.MSFT_NetVirtualizationProviderRouteSettingData = (
mock.MagicMock(return_value=[mock.MagicMock()]))
self.utils.create_provider_route(mock.sentinel.fake_network)
scimv2 = self.utils._scimv2
self.assertFalse(
scimv2.MSFT_NetVirtualizationProviderRouteSettingData.new.called)
def test_clear_customer_routes(self):
cls = self.utils._scimv2.MSFT_NetVirtualizationCustomerRouteSettingData
route = mock.MagicMock()
cls.return_value = [route]
self.utils.clear_customer_routes(mock.sentinel.vsid)
cls.assert_called_once_with(VirtualSubnetID=mock.sentinel.vsid)
route.Delete_.assert_called_once_with()
def test_create_customer_route(self):
self.utils.create_customer_route(
mock.sentinel.fake_vsid, mock.sentinel.dest_prefix,
mock.sentinel.next_hop, self._FAKE_RDID)
scimv2 = self.utils._scimv2
obj_class = scimv2.MSFT_NetVirtualizationCustomerRouteSettingData
obj_class.new.assert_called_once_with(
VirtualSubnetID=mock.sentinel.fake_vsid,
DestinationPrefix=mock.sentinel.dest_prefix,
NextHop=mock.sentinel.next_hop,
Metric=255,
RoutingDomainID='{%s}' % self._FAKE_RDID)
def _check_create_lookup_record(self, customer_addr, expected_type):
lookup = mock.MagicMock()
scimv2 = self.utils._scimv2
obj_class = scimv2.MSFT_NetVirtualizationLookupRecordSettingData
obj_class.return_value = [lookup]
self.utils.create_lookup_record(mock.sentinel.provider_addr,
customer_addr,
mock.sentinel.mac_addr,
mock.sentinel.fake_vsid)
self.assertTrue(lookup.Delete_.called)
obj_class.new.assert_called_once_with(
VirtualSubnetID=mock.sentinel.fake_vsid,
Rule=self.utils._TRANSLATE_ENCAP,
Type=expected_type,
MACAddress=mock.sentinel.mac_addr,
CustomerAddress=customer_addr,
ProviderAddress=mock.sentinel.provider_addr)
def test_create_lookup_record_l2_only(self):
self._check_create_lookup_record(
constants.IPV4_DEFAULT,
self.utils._LOOKUP_RECORD_TYPE_L2_ONLY)
def test_create_lookup_record_static(self):
self._check_create_lookup_record(
mock.sentinel.customer_addr,
self.utils._LOOKUP_RECORD_TYPE_STATIC)
def test_create_lookup_record_exists(self):
lookup = mock.MagicMock(VirtualSubnetID=mock.sentinel.fake_vsid,
ProviderAddress=mock.sentinel.provider_addr,
CustomerAddress=mock.sentinel.customer_addr,
MACAddress=mock.sentinel.mac_addr)
scimv2 = self.utils._scimv2
obj_class = scimv2.MSFT_NetVirtualizationLookupRecordSettingData
obj_class.return_value = [lookup]
self.utils.create_lookup_record(mock.sentinel.provider_addr,
mock.sentinel.customer_addr,
mock.sentinel.mac_addr,
mock.sentinel.fake_vsid)
self.assertFalse(obj_class.new.called)
def test_get_network_iface_index_cached(self):
self.utils._net_if_indexes[mock.sentinel.fake_network] = (
mock.sentinel.iface_index)
index = self.utils._get_network_iface_index(mock.sentinel.fake_network)
self.assertEqual(mock.sentinel.iface_index, index)
self.assertFalse(self.utils._scimv2.MSFT_NetAdapter.called)
def test_get_network_iface_index_not_found(self):
self.utils._scimv2.MSFT_NetAdapter.return_value = []
self.assertRaises(exceptions.NotFound,
self.utils._get_network_iface_index,
mock.sentinel.network_name)
def test_get_network_iface_index(self):
fake_network = mock.MagicMock(InterfaceIndex=mock.sentinel.iface_index)
self.utils._scimv2.MSFT_NetAdapter.return_value = [fake_network]
description = (
self.utils._utils.get_vswitch_external_network_name.return_value)
index = self.utils._get_network_iface_index(mock.sentinel.fake_network)
self.assertEqual(mock.sentinel.iface_index, index)
self.assertIn(mock.sentinel.fake_network, self.utils._net_if_indexes)
self.utils._scimv2.MSFT_NetAdapter.assert_called_once_with(
InterfaceDescription=description)
@mock.patch.object(nvgreutils.NvgreUtils, '_get_network_ifaces_by_name')
def test_get_network_iface_ip(self, mock_get_net_ifaces):
fake_network = mock.MagicMock(
InterfaceIndex=mock.sentinel.iface_index,
DriverDescription=self.utils._HYPERV_VIRT_ADAPTER)
mock_get_net_ifaces.return_value = [fake_network]
fake_netip = mock.MagicMock(IPAddress=mock.sentinel.provider_addr,
PrefixLength=mock.sentinel.prefix_len)
self.utils._scimv2.MSFT_NetIPAddress.return_value = [fake_netip]
pair = self.utils.get_network_iface_ip(mock.sentinel.fake_network)
self.assertEqual(
(mock.sentinel.provider_addr, mock.sentinel.prefix_len), pair)
@mock.patch.object(nvgreutils.NvgreUtils, '_get_network_ifaces_by_name')
def test_get_network_iface_ip_none(self, mock_get_net_ifaces):
mock_get_net_ifaces.return_value = []
pair = self.utils.get_network_iface_ip(mock.sentinel.fake_network)
self.assertEqual((None, None), pair)
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