neutron/neutron/tests/unit/ipam/drivers/neutrondb_ipam/test_db_api.py

111 lines
4.6 KiB
Python

# Copyright 2015 OpenStack Foundation.
# 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.
from oslo_utils import uuidutils
from neutron import context
from neutron.ipam.drivers.neutrondb_ipam import db_api
from neutron.ipam.drivers.neutrondb_ipam import db_models
from neutron.tests.unit import testlib_api
class TestIpamSubnetManager(testlib_api.SqlTestCase):
"""Test case for SubnetManager DB helper class"""
def setUp(self):
super(TestIpamSubnetManager, self).setUp()
self.ctx = context.get_admin_context()
self.neutron_subnet_id = uuidutils.generate_uuid()
self.ipam_subnet_id = uuidutils.generate_uuid()
self.subnet_ip = '1.2.3.4'
self.single_pool = ('1.2.3.4', '1.2.3.10')
self.multi_pool = (('1.2.3.2', '1.2.3.12'), ('1.2.3.15', '1.2.3.24'))
self.subnet_manager = db_api.IpamSubnetManager(self.ipam_subnet_id,
self.neutron_subnet_id)
self.subnet_manager_id = self.subnet_manager.create(self.ctx)
self.ctx.session.flush()
def test_create(self):
self.assertEqual(self.ipam_subnet_id, self.subnet_manager_id)
subnets = self.ctx.session.query(db_models.IpamSubnet).filter_by(
id=self.ipam_subnet_id).all()
self.assertEqual(1, len(subnets))
def test_remove(self):
count = db_api.IpamSubnetManager.delete(self.ctx,
self.neutron_subnet_id)
self.assertEqual(1, count)
subnets = self.ctx.session.query(db_models.IpamSubnet).filter_by(
id=self.ipam_subnet_id).all()
self.assertEqual(0, len(subnets))
def test_remove_non_existent_subnet(self):
count = db_api.IpamSubnetManager.delete(self.ctx,
'non-existent')
self.assertEqual(0, count)
def _validate_ips(self, pools, db_pool):
self.assertTrue(
any(pool == (db_pool.first_ip, db_pool.last_ip) for pool in pools))
def test_create_pool(self):
self.subnet_manager.create_pool(self.ctx,
self.single_pool[0],
self.single_pool[1])
ipam_pool = self.ctx.session.query(db_models.IpamAllocationPool).\
filter_by(ipam_subnet_id=self.ipam_subnet_id).first()
self._validate_ips([self.single_pool], ipam_pool)
def test_check_unique_allocation(self):
self.assertTrue(self.subnet_manager.check_unique_allocation(
self.ctx, self.subnet_ip))
def test_check_unique_allocation_negative(self):
self.subnet_manager.create_allocation(self.ctx,
self.subnet_ip)
self.assertFalse(self.subnet_manager.check_unique_allocation(
self.ctx, self.subnet_ip))
def test_list_allocations(self):
ips = ['1.2.3.4', '1.2.3.6', '1.2.3.7']
for ip in ips:
self.subnet_manager.create_allocation(self.ctx, ip)
allocs = self.subnet_manager.list_allocations(self.ctx).all()
self.assertEqual(len(ips), len(allocs))
for allocation in allocs:
self.assertIn(allocation.ip_address, ips)
def _test_create_allocation(self):
self.subnet_manager.create_allocation(self.ctx,
self.subnet_ip)
alloc = self.ctx.session.query(db_models.IpamAllocation).filter_by(
ipam_subnet_id=self.ipam_subnet_id).all()
self.assertEqual(1, len(alloc))
self.assertEqual(self.subnet_ip, alloc[0].ip_address)
return alloc
def test_create_allocation(self):
self._test_create_allocation()
def test_delete_allocation(self):
allocs = self._test_create_allocation()
self.subnet_manager.delete_allocation(self.ctx,
allocs[0].ip_address)
allocs = self.ctx.session.query(db_models.IpamAllocation).filter_by(
ipam_subnet_id=self.ipam_subnet_id).all()
self.assertEqual(0, len(allocs))