305 lines
14 KiB
Python
305 lines
14 KiB
Python
# Copyright 2016 Huawei Technologies India Pvt. Ltd.
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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 six
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import mock
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from oslo_config import cfg
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from oslo_utils import encodeutils
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from ryu.services.protocols.bgp import bgpspeaker
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from ryu.services.protocols.bgp.rtconf.neighbors import CONNECT_MODE_ACTIVE
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from neutron.tests import base
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from neutron_dynamic_routing.services.bgp.agent import config as bgp_config
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from neutron_dynamic_routing.services.bgp.agent.driver import exceptions as bgp_driver_exc # noqa
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from neutron_dynamic_routing.services.bgp.agent.driver.ryu import driver as ryu_driver # noqa
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# Test variables for BGP Speaker
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FAKE_LOCAL_AS1 = 12345
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FAKE_LOCAL_AS2 = 23456
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FAKE_ROUTER_ID = '1.1.1.1'
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# Test variables for BGP Peer
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FAKE_PEER_AS = 45678
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FAKE_PEER_IP = '2.2.2.5'
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FAKE_PEER_IPV6 = '2001:db8::'
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FAKE_AUTH_TYPE = 'md5'
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FAKE_PEER_PASSWORD = 'awesome'
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# Test variables for Route
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FAKE_ROUTE = '2.2.2.0/24'
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FAKE_NEXTHOP = '5.5.5.5'
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class TestRyuBgpDriver(base.BaseTestCase):
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def setUp(self):
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super(TestRyuBgpDriver, self).setUp()
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cfg.CONF.register_opts(bgp_config.BGP_PROTO_CONFIG_OPTS, 'BGP')
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cfg.CONF.set_override('bgp_router_id', FAKE_ROUTER_ID, 'BGP')
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self.ryu_bgp_driver = ryu_driver.RyuBgpDriver(cfg.CONF.BGP)
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mock_ryu_speaker_p = mock.patch.object(bgpspeaker, 'BGPSpeaker')
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self.mock_ryu_speaker = mock_ryu_speaker_p.start()
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def test_add_new_bgp_speaker(self):
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self.ryu_bgp_driver.add_bgp_speaker(FAKE_LOCAL_AS1)
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self.assertEqual(1,
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self.ryu_bgp_driver.cache.get_hosted_bgp_speakers_count())
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self.mock_ryu_speaker.assert_called_once_with(
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as_number=FAKE_LOCAL_AS1, router_id=FAKE_ROUTER_ID,
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bgp_server_port=0,
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best_path_change_handler=ryu_driver.best_path_change_cb,
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peer_down_handler=ryu_driver.bgp_peer_down_cb,
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peer_up_handler=ryu_driver.bgp_peer_up_cb)
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def test_remove_bgp_speaker(self):
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self.ryu_bgp_driver.add_bgp_speaker(FAKE_LOCAL_AS1)
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self.assertEqual(1,
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self.ryu_bgp_driver.cache.get_hosted_bgp_speakers_count())
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speaker = self.ryu_bgp_driver.cache.get_bgp_speaker(FAKE_LOCAL_AS1)
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self.ryu_bgp_driver.delete_bgp_speaker(FAKE_LOCAL_AS1)
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self.assertEqual(0,
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self.ryu_bgp_driver.cache.get_hosted_bgp_speakers_count())
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self.assertEqual(1, speaker.shutdown.call_count)
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def test_add_bgp_peer_without_password(self):
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self.ryu_bgp_driver.add_bgp_speaker(FAKE_LOCAL_AS1)
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self.assertEqual(1,
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self.ryu_bgp_driver.cache.get_hosted_bgp_speakers_count())
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self.ryu_bgp_driver.add_bgp_peer(FAKE_LOCAL_AS1,
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FAKE_PEER_IP,
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FAKE_PEER_AS)
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speaker = self.ryu_bgp_driver.cache.get_bgp_speaker(FAKE_LOCAL_AS1)
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speaker.neighbor_add.assert_called_once_with(
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address=FAKE_PEER_IP,
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remote_as=FAKE_PEER_AS,
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enable_ipv4=True,
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enable_ipv6=False,
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password=None,
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connect_mode=CONNECT_MODE_ACTIVE)
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def test_add_bgp_peer_with_password(self):
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self.ryu_bgp_driver.add_bgp_speaker(FAKE_LOCAL_AS1)
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self.assertEqual(1,
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self.ryu_bgp_driver.cache.get_hosted_bgp_speakers_count())
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self.ryu_bgp_driver.add_bgp_peer(FAKE_LOCAL_AS1,
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FAKE_PEER_IP,
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FAKE_PEER_AS,
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FAKE_AUTH_TYPE,
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FAKE_PEER_PASSWORD)
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speaker = self.ryu_bgp_driver.cache.get_bgp_speaker(FAKE_LOCAL_AS1)
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speaker.neighbor_add.assert_called_once_with(
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address=FAKE_PEER_IP,
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remote_as=FAKE_PEER_AS,
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enable_ipv4=True,
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enable_ipv6=False,
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password=encodeutils.to_utf8(FAKE_PEER_PASSWORD),
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connect_mode=CONNECT_MODE_ACTIVE)
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def test_add_bgp_peer_with_unicode_password(self):
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self.ryu_bgp_driver.add_bgp_speaker(FAKE_LOCAL_AS1)
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self.assertEqual(1,
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self.ryu_bgp_driver.cache.get_hosted_bgp_speakers_count())
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NEW_FAKE_PEER_PASSWORD = six.text_type(FAKE_PEER_PASSWORD)
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self.ryu_bgp_driver.add_bgp_peer(
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FAKE_LOCAL_AS1,
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FAKE_PEER_IP,
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FAKE_PEER_AS,
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FAKE_AUTH_TYPE,
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NEW_FAKE_PEER_PASSWORD)
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speaker = self.ryu_bgp_driver.cache.get_bgp_speaker(FAKE_LOCAL_AS1)
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speaker.neighbor_add.assert_called_once_with(
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address=FAKE_PEER_IP,
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remote_as=FAKE_PEER_AS,
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enable_ipv4=True,
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enable_ipv6=False,
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password=encodeutils.to_utf8(NEW_FAKE_PEER_PASSWORD),
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connect_mode=CONNECT_MODE_ACTIVE)
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def test_add_bgp_peer_with_ipv6(self):
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self.ryu_bgp_driver.add_bgp_speaker(FAKE_LOCAL_AS1)
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self.assertEqual(1,
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self.ryu_bgp_driver.cache.get_hosted_bgp_speakers_count())
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self.ryu_bgp_driver.add_bgp_peer(FAKE_LOCAL_AS1,
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FAKE_PEER_IPV6,
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FAKE_PEER_AS)
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speaker = self.ryu_bgp_driver.cache.get_bgp_speaker(FAKE_LOCAL_AS1)
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speaker.neighbor_add.assert_called_once_with(
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address=FAKE_PEER_IPV6,
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remote_as=FAKE_PEER_AS,
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enable_ipv4=False,
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enable_ipv6=True,
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password=None,
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connect_mode=CONNECT_MODE_ACTIVE)
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def test_remove_bgp_peer(self):
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self.ryu_bgp_driver.add_bgp_speaker(FAKE_LOCAL_AS1)
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self.assertEqual(1,
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self.ryu_bgp_driver.cache.get_hosted_bgp_speakers_count())
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self.ryu_bgp_driver.delete_bgp_peer(FAKE_LOCAL_AS1, FAKE_PEER_IP)
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speaker = self.ryu_bgp_driver.cache.get_bgp_speaker(FAKE_LOCAL_AS1)
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speaker.neighbor_del.assert_called_once_with(address=FAKE_PEER_IP)
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def test_advertise_route(self):
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self.ryu_bgp_driver.add_bgp_speaker(FAKE_LOCAL_AS1)
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self.assertEqual(1,
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self.ryu_bgp_driver.cache.get_hosted_bgp_speakers_count())
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self.ryu_bgp_driver.advertise_route(FAKE_LOCAL_AS1,
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FAKE_ROUTE,
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FAKE_NEXTHOP)
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speaker = self.ryu_bgp_driver.cache.get_bgp_speaker(FAKE_LOCAL_AS1)
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speaker.prefix_add.assert_called_once_with(prefix=FAKE_ROUTE,
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next_hop=FAKE_NEXTHOP)
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def test_withdraw_route(self):
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self.ryu_bgp_driver.add_bgp_speaker(FAKE_LOCAL_AS1)
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self.assertEqual(1,
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self.ryu_bgp_driver.cache.get_hosted_bgp_speakers_count())
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self.ryu_bgp_driver.withdraw_route(FAKE_LOCAL_AS1, FAKE_ROUTE)
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speaker = self.ryu_bgp_driver.cache.get_bgp_speaker(FAKE_LOCAL_AS1)
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speaker.prefix_del.assert_called_once_with(prefix=FAKE_ROUTE)
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def test_add_same_bgp_speakers_twice(self):
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self.ryu_bgp_driver.add_bgp_speaker(FAKE_LOCAL_AS1)
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self.assertRaises(bgp_driver_exc.BgpSpeakerAlreadyScheduled,
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self.ryu_bgp_driver.add_bgp_speaker, FAKE_LOCAL_AS1)
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def test_add_different_bgp_speakers_when_one_already_added(self):
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self.ryu_bgp_driver.add_bgp_speaker(FAKE_LOCAL_AS1)
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self.assertRaises(bgp_driver_exc.BgpSpeakerMaxScheduled,
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self.ryu_bgp_driver.add_bgp_speaker,
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FAKE_LOCAL_AS2)
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def test_add_bgp_speaker_with_invalid_asnum_paramtype(self):
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self.assertRaises(bgp_driver_exc.InvalidParamType,
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self.ryu_bgp_driver.add_bgp_speaker, '12345')
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def test_add_bgp_speaker_with_invalid_asnum_range(self):
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self.assertRaises(bgp_driver_exc.InvalidParamRange,
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self.ryu_bgp_driver.add_bgp_speaker, -1)
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self.assertRaises(bgp_driver_exc.InvalidParamRange,
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self.ryu_bgp_driver.add_bgp_speaker, 4294967296)
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# valid when enables 4 byte AS number
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self.ryu_bgp_driver.add_bgp_speaker(65536)
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def test_add_bgp_peer_with_invalid_paramtype(self):
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# Test with an invalid asnum data-type
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self.ryu_bgp_driver.add_bgp_speaker(FAKE_LOCAL_AS1)
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self.assertRaises(bgp_driver_exc.InvalidParamType,
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self.ryu_bgp_driver.add_bgp_peer,
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FAKE_LOCAL_AS1, FAKE_PEER_IP, '12345')
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# Test with an invalid auth-type and an invalid password
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self.assertRaises(bgp_driver_exc.InvalidParamType,
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self.ryu_bgp_driver.add_bgp_peer,
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FAKE_LOCAL_AS1, FAKE_PEER_IP, FAKE_PEER_AS,
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'sha-1', 1234)
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# Test with an invalid auth-type and a valid password
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self.assertRaises(bgp_driver_exc.InvaildAuthType,
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self.ryu_bgp_driver.add_bgp_peer,
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FAKE_LOCAL_AS1, FAKE_PEER_IP, FAKE_PEER_AS,
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'hmac-md5', FAKE_PEER_PASSWORD)
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# Test with none auth-type and a valid password
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self.assertRaises(bgp_driver_exc.InvaildAuthType,
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self.ryu_bgp_driver.add_bgp_peer,
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FAKE_LOCAL_AS1, FAKE_PEER_IP, FAKE_PEER_AS,
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'none', FAKE_PEER_PASSWORD)
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# Test with none auth-type and an invalid password
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self.assertRaises(bgp_driver_exc.InvalidParamType,
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self.ryu_bgp_driver.add_bgp_peer,
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FAKE_LOCAL_AS1, FAKE_PEER_IP, FAKE_PEER_AS,
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'none', 1234)
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# Test with a valid auth-type and no password
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self.assertRaises(bgp_driver_exc.PasswordNotSpecified,
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self.ryu_bgp_driver.add_bgp_peer,
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FAKE_LOCAL_AS1, FAKE_PEER_IP, FAKE_PEER_AS,
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FAKE_AUTH_TYPE, None)
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# Test with a invalid ip address
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self.assertRaises(bgp_driver_exc.InvalidParamType,
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self.ryu_bgp_driver.add_bgp_peer,
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FAKE_LOCAL_AS1, '1.2.3.a', FAKE_PEER_AS,
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FAKE_AUTH_TYPE, FAKE_PEER_PASSWORD)
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def test_add_bgp_peer_with_invalid_asnum_range(self):
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self.ryu_bgp_driver.add_bgp_speaker(FAKE_LOCAL_AS1)
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self.assertRaises(bgp_driver_exc.InvalidParamRange,
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self.ryu_bgp_driver.add_bgp_peer,
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FAKE_LOCAL_AS1, FAKE_PEER_IP, -1)
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self.assertRaises(bgp_driver_exc.InvalidParamRange,
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self.ryu_bgp_driver.add_bgp_peer,
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FAKE_LOCAL_AS1, FAKE_PEER_IP, 4294967296)
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# valid when enables 4 byte AS number
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self.ryu_bgp_driver.add_bgp_peer(FAKE_LOCAL_AS1, FAKE_PEER_IP, 65536)
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def test_add_bgp_peer_without_adding_speaker(self):
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self.assertRaises(bgp_driver_exc.BgpSpeakerNotAdded,
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self.ryu_bgp_driver.add_bgp_peer,
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FAKE_LOCAL_AS1, FAKE_PEER_IP, FAKE_PEER_AS)
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def test_remove_bgp_peer_with_invalid_paramtype(self):
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self.ryu_bgp_driver.add_bgp_speaker(FAKE_LOCAL_AS1)
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self.assertRaises(bgp_driver_exc.InvalidParamType,
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self.ryu_bgp_driver.delete_bgp_peer,
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FAKE_LOCAL_AS1, 12345)
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def test_remove_bgp_peer_without_adding_speaker(self):
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self.assertRaises(bgp_driver_exc.BgpSpeakerNotAdded,
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self.ryu_bgp_driver.delete_bgp_peer,
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FAKE_LOCAL_AS1, FAKE_PEER_IP)
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def test_advertise_route_with_invalid_paramtype(self):
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self.ryu_bgp_driver.add_bgp_speaker(FAKE_LOCAL_AS1)
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self.assertRaises(bgp_driver_exc.InvalidParamType,
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self.ryu_bgp_driver.advertise_route,
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FAKE_LOCAL_AS1, 12345, FAKE_NEXTHOP)
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self.assertRaises(bgp_driver_exc.InvalidParamType,
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self.ryu_bgp_driver.advertise_route,
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FAKE_LOCAL_AS1, FAKE_ROUTE, 12345)
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def test_advertise_route_without_adding_speaker(self):
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self.assertRaises(bgp_driver_exc.BgpSpeakerNotAdded,
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self.ryu_bgp_driver.advertise_route,
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FAKE_LOCAL_AS1, FAKE_ROUTE, FAKE_NEXTHOP)
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def test_withdraw_route_with_invalid_paramtype(self):
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self.ryu_bgp_driver.add_bgp_speaker(FAKE_LOCAL_AS1)
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self.assertRaises(bgp_driver_exc.InvalidParamType,
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self.ryu_bgp_driver.withdraw_route,
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FAKE_LOCAL_AS1, 12345)
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self.assertRaises(bgp_driver_exc.InvalidParamType,
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self.ryu_bgp_driver.withdraw_route,
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FAKE_LOCAL_AS1, 12345)
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def test_withdraw_route_without_adding_speaker(self):
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self.assertRaises(bgp_driver_exc.BgpSpeakerNotAdded,
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self.ryu_bgp_driver.withdraw_route,
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FAKE_LOCAL_AS1, FAKE_ROUTE)
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def test_add_multiple_bgp_speakers(self):
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self.ryu_bgp_driver.add_bgp_speaker(FAKE_LOCAL_AS1)
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self.assertEqual(1,
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self.ryu_bgp_driver.cache.get_hosted_bgp_speakers_count())
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self.assertRaises(bgp_driver_exc.BgpSpeakerMaxScheduled,
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self.ryu_bgp_driver.add_bgp_speaker,
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FAKE_LOCAL_AS2)
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self.assertRaises(bgp_driver_exc.BgpSpeakerNotAdded,
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self.ryu_bgp_driver.delete_bgp_speaker,
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FAKE_LOCAL_AS2)
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self.assertEqual(1,
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self.ryu_bgp_driver.cache.get_hosted_bgp_speakers_count())
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self.ryu_bgp_driver.delete_bgp_speaker(FAKE_LOCAL_AS1)
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self.assertEqual(0,
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self.ryu_bgp_driver.cache.get_hosted_bgp_speakers_count())
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