/usr/share/pyshared/melange/tests/unit/test_db_based_mac_generator.py is in python-melange 1:2012.1-3.
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# Copyright 2012 OpenStack LLC.
# 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.
import netaddr
from melange import tests
from melange.ipam import models
from melange.mac.db_based_mac_generator import generator
from melange.mac.db_based_mac_generator import models as mac_models
from melange.tests.factories import models as factory_models
class TestDbBasedMacGenerator(tests.BaseTest):
def test_range_is_full(self):
rng = factory_models.MacAddressRangeFactory(cidr="BC:76:4E:20:0:0/48")
mac_generator = generator.DbBasedMacGenerator(rng)
self.assertFalse(mac_generator.is_full())
rng.allocate_mac()
self.assertTrue(mac_generator.is_full())
def test_allocate_mac_address_updates_next_mac_address_field(self):
mac_range = factory_models.MacAddressRangeFactory(
cidr="BC:76:4E:40:00:00/27")
generator.DbBasedMacGenerator(mac_range).next_mac()
updated_mac_range = models.MacAddressRange.get(mac_range.id)
self.assertEqual(netaddr.EUI(updated_mac_range.next_address),
netaddr.EUI('BC:76:4E:40:00:01'))
def test_delete_pushes_mac_address_on_allocatable_mac_list(self):
rng = factory_models.MacAddressRangeFactory(cidr="BC:76:4E:20:0:0/40")
mac = rng.allocate_mac()
mac.delete()
self.assertIsNone(models.MacAddress.get(mac.id))
allocatable_mac = mac_models.AllocatableMac.get_by(
mac_address_range_id=rng.id)
self.assertEqual(mac.address, allocatable_mac.address)
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