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# 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.
from nova.network import model as network_model
from nova import test
from nova.tests.unit import fake_network
from nova.virt import netutils
class TestNetUtilsTestCase(test.NoDBTestCase):
def _get_fake_instance_nw_info(self, num_networks, dhcp_server, mtu):
network_info = fake_network.fake_get_instance_nw_info(self,
num_networks)
for vif in network_info:
for subnet in vif['network']['subnets']:
subnet['meta']['dhcp_server'] = dhcp_server
vif['network']['meta']['mtu'] = mtu
return network_info
def test_get_cached_vifs_with_vlan_no_nw_info(self):
# Make sure that an empty dictionary will be returned when
# nw_info is None
self.assertEqual({}, netutils.get_cached_vifs_with_vlan(None))
def test_get_cached_vifs_with_vlan_with_no_vlan_details(self):
network_info = fake_network.fake_get_instance_nw_info(self, 1)
network_info[0]['vnic_type'] = network_model.VNIC_TYPE_DIRECT_PHYSICAL
network_info[0]['address'] = "51:5a:2c:a4:5e:1b"
self.assertEqual({}, netutils.get_cached_vifs_with_vlan(network_info))
def test_get_cached_vifs_with_vlan(self):
network_info = fake_network.fake_get_instance_nw_info(self, 2)
network_info[0]['vnic_type'] = network_model.VNIC_TYPE_DIRECT_PHYSICAL
network_info[0]['address'] = "51:5a:2c:a4:5e:1b"
network_info[1]['vnic_type'] = network_model.VNIC_TYPE_DIRECT_PHYSICAL
network_info[1]['address'] = "fa:16:3e:d1:28:e4"
network_info[1]['details'] = dict(vlan='2145')
expected = {'fa:16:3e:d1:28:e4': '2145'}
self.assertEqual(expected,
netutils.get_cached_vifs_with_vlan(network_info))
def test__get_link_mtu(self):
network_info_dhcp = self._get_fake_instance_nw_info(
1, '192.168.0.100', 9000)
network_info_no_dhcp = self._get_fake_instance_nw_info(
1, None, 9000)
for vif in network_info_dhcp:
self.assertIsNone(netutils._get_link_mtu(vif))
for vif in network_info_no_dhcp:
self.assertEqual(9000, netutils._get_link_mtu(vif))
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