188 lines
8.5 KiB
Python
188 lines
8.5 KiB
Python
# Copyright 2015 Hewlett-Packard Development Company, L.P.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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# implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import mock
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import testtools
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from neutron.common import exceptions as n_exc
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from neutron.db import l3_db
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from neutron.extensions import l3
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from neutron import manager
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from neutron.tests import base
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class TestL3_NAT_dbonly_mixin(base.BaseTestCase):
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def setUp(self):
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super(TestL3_NAT_dbonly_mixin, self).setUp()
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self.db = l3_db.L3_NAT_dbonly_mixin()
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def test__each_port_having_fixed_ips_none(self):
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"""Be sure the method returns an empty list when None is passed"""
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filtered = l3_db.L3_NAT_dbonly_mixin._each_port_having_fixed_ips(None)
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self.assertEqual([], list(filtered))
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def test__each_port_having_fixed_ips(self):
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"""Basic test that ports without fixed ips are filtered out"""
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ports = [{'id': 'a', 'fixed_ips': [mock.sentinel.fixedip]},
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{'id': 'b'}]
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filtered = l3_db.L3_NAT_dbonly_mixin._each_port_having_fixed_ips(ports)
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ids = [p['id'] for p in filtered]
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self.assertEqual(['a'], ids)
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def test__get_subnets_by_network_no_query(self):
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"""Basic test that no query is performed if no Ports are passed"""
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context = mock.Mock()
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with mock.patch.object(manager.NeutronManager, 'get_plugin') as get_p:
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self.db._get_subnets_by_network_list(context, [])
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self.assertFalse(context.session.query.called)
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self.assertFalse(get_p.called)
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def test__get_subnets_by_network(self):
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"""Basic test that the right query is called"""
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context = mock.MagicMock()
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query = context.session.query().outerjoin().filter()
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query.__iter__.return_value = [(mock.sentinel.subnet_db,
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mock.sentinel.address_scope_id)]
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with mock.patch.object(manager.NeutronManager, 'get_plugin') as get_p:
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get_p()._make_subnet_dict.return_value = {
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'network_id': mock.sentinel.network_id}
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subnets = self.db._get_subnets_by_network_list(
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context, [mock.sentinel.network_id])
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self.assertEqual({
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mock.sentinel.network_id: [{
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'address_scope_id': mock.sentinel.address_scope_id,
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'network_id': mock.sentinel.network_id}]}, subnets)
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def test__populate_ports_for_subnets_none(self):
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"""Basic test that the method runs correctly with no ports"""
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ports = []
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self.db._populate_subnets_for_ports(mock.sentinel.context, ports)
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self.assertEqual([], ports)
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@mock.patch.object(l3_db.L3_NAT_dbonly_mixin,
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'_get_subnets_by_network_list')
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def test__populate_ports_for_subnets(self, get_subnets_by_network):
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cidr = "2001:db8::/64"
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subnet = {'id': mock.sentinel.subnet_id,
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'cidr': cidr,
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'gateway_ip': mock.sentinel.gateway_ip,
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'dns_nameservers': mock.sentinel.dns_nameservers,
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'ipv6_ra_mode': mock.sentinel.ipv6_ra_mode,
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'subnetpool_id': mock.sentinel.subnetpool_id,
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'address_scope_id': mock.sentinel.address_scope_id}
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get_subnets_by_network.return_value = {'net_id': [subnet]}
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ports = [{'network_id': 'net_id',
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'id': 'port_id',
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'fixed_ips': [{'subnet_id': mock.sentinel.subnet_id}]}]
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self.db._populate_subnets_for_ports(mock.sentinel.context, ports)
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keys = ('id', 'cidr', 'gateway_ip', 'ipv6_ra_mode', 'subnetpool_id',
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'dns_nameservers')
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address_scopes = {4: None, 6: mock.sentinel.address_scope_id}
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self.assertEqual([{'extra_subnets': [],
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'fixed_ips': [{'subnet_id': mock.sentinel.subnet_id,
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'prefixlen': 64}],
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'id': 'port_id',
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'network_id': 'net_id',
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'subnets': [{k: subnet[k] for k in keys}],
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'address_scopes': address_scopes}], ports)
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def test__get_sync_floating_ips_no_query(self):
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"""Basic test that no query is performed if no router ids are passed"""
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db = l3_db.L3_NAT_dbonly_mixin()
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context = mock.Mock()
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db._get_sync_floating_ips(context, [])
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self.assertFalse(context.session.query.called)
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@mock.patch.object(l3_db.L3_NAT_dbonly_mixin, '_make_floatingip_dict')
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def test__make_floatingip_dict_with_scope(self, make_fip_dict):
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db = l3_db.L3_NAT_dbonly_mixin()
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make_fip_dict.return_value = {'id': mock.sentinel.fip_ip}
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result = db._make_floatingip_dict_with_scope(
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mock.sentinel.floating_ip_db, mock.sentinel.address_scope_id)
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self.assertEqual({
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'fixed_ip_address_scope': mock.sentinel.address_scope_id,
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'id': mock.sentinel.fip_ip}, result)
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def test__unique_floatingip_iterator(self):
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query = mock.MagicMock()
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query.order_by().__iter__.return_value = [
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({'id': 'id1'}, 'scope1'),
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({'id': 'id1'}, 'scope1'),
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({'id': 'id2'}, 'scope2'),
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({'id': 'id2'}, 'scope2'),
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({'id': 'id2'}, 'scope2'),
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({'id': 'id3'}, 'scope3')]
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query.reset_mock()
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result = list(
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l3_db.L3_NAT_dbonly_mixin._unique_floatingip_iterator(query))
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query.order_by.assert_called_once_with(l3_db.FloatingIP.id)
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self.assertEqual([({'id': 'id1'}, 'scope1'),
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({'id': 'id2'}, 'scope2'),
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({'id': 'id3'}, 'scope3')], result)
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@mock.patch.object(manager.NeutronManager, 'get_plugin')
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def test_prevent_l3_port_deletion_port_not_found(self, gp):
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# port not found doesn't prevent
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gp.return_value.get_port.side_effect = n_exc.PortNotFound(port_id='1')
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self.db.prevent_l3_port_deletion(None, None)
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@mock.patch.object(manager.NeutronManager, 'get_plugin')
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def test_prevent_l3_port_device_owner_not_router(self, gp):
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# ignores other device owners
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gp.return_value.get_port.return_value = {'device_owner': 'cat'}
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self.db.prevent_l3_port_deletion(None, None)
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@mock.patch.object(manager.NeutronManager, 'get_plugin')
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def test_prevent_l3_port_no_fixed_ips(self, gp):
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# without fixed IPs is allowed
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gp.return_value.get_port.return_value = {
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'device_owner': 'network:router_interface', 'fixed_ips': [],
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'id': 'f'
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}
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self.db.prevent_l3_port_deletion(None, None)
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@mock.patch.object(manager.NeutronManager, 'get_plugin')
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def test_prevent_l3_port_no_router(self, gp):
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# without router is allowed
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gp.return_value.get_port.return_value = {
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'device_owner': 'network:router_interface',
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'device_id': '44', 'id': 'f',
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'fixed_ips': [{'ip_address': '1.1.1.1', 'subnet_id': '4'}]}
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self.db.get_router = mock.Mock()
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self.db.get_router.side_effect = l3.RouterNotFound(router_id='44')
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self.db.prevent_l3_port_deletion(mock.Mock(), None)
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@mock.patch.object(manager.NeutronManager, 'get_plugin')
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def test_prevent_l3_port_existing_router(self, gp):
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gp.return_value.get_port.return_value = {
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'device_owner': 'network:router_interface',
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'device_id': 'some_router', 'id': 'f',
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'fixed_ips': [{'ip_address': '1.1.1.1', 'subnet_id': '4'}]}
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self.db.get_router = mock.Mock()
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with testtools.ExpectedException(n_exc.ServicePortInUse):
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self.db.prevent_l3_port_deletion(mock.Mock(), None)
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@mock.patch.object(manager.NeutronManager, 'get_plugin')
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def test_prevent_l3_port_existing_floating_ip(self, gp):
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gp.return_value.get_port.return_value = {
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'device_owner': 'network:floatingip',
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'device_id': 'some_flip', 'id': 'f',
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'fixed_ips': [{'ip_address': '1.1.1.1', 'subnet_id': '4'}]}
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self.db.get_floatingip = mock.Mock()
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with testtools.ExpectedException(n_exc.ServicePortInUse):
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self.db.prevent_l3_port_deletion(mock.Mock(), None)
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