# 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 mock
from oslo_utils import uuidutils

from kuryr.lib.binding.drivers import macvlan
from kuryr.lib import constants
from kuryr.lib import utils
from kuryr.tests.unit import base


mock_create = mock.MagicMock()
mock_interface = mock.MagicMock()


class TestMacvlanDriver(base.TestCase):
    """Unit tests for nested MACVLAN driver"""

    @mock.patch('kuryr.lib.binding.drivers.utils._configure_container_iface')
    @mock.patch('pyroute2.ipdb.interface.InterfacesDict.__getattribute__',
                return_value=mock_create)
    @mock.patch('pyroute2.ipdb.interface.InterfacesDict.__getitem__',
                return_value=mock_interface)
    def test_port_bind(self, mock_getitem, mock_getattribute,
                       mock_configure_container_iface):
        fake_mtu = 1450
        fake_docker_endpoint_id = utils.get_hash()
        fake_docker_network_id = utils.get_hash()
        fake_port_id = uuidutils.generate_uuid()
        fake_nova_instance_port_id = uuidutils.generate_uuid()
        fake_neutron_v4_subnet_id = uuidutils.generate_uuid()
        fake_neutron_v6_subnet_id = uuidutils.generate_uuid()
        fake_vif_details = {"port_filter": True, "ovs_hybrid_plug": False}
        fake_vif_type = "ovs"
        fake_neutron_port = self._get_fake_port(
            fake_docker_endpoint_id, fake_docker_network_id,
            fake_port_id, constants.PORT_STATUS_ACTIVE,
            fake_neutron_v4_subnet_id, fake_neutron_v6_subnet_id,
            vif_details=fake_vif_details, vif_type=fake_vif_type)
        fake_nova_instance_port = self._get_fake_port(
            "nova-port", fake_docker_network_id,
            fake_nova_instance_port_id, constants.PORT_STATUS_ACTIVE,
            fake_neutron_v4_subnet_id, fake_neutron_v6_subnet_id,
            "192.168.1.3", "fe80::f816:3eff:fe20:57c5",
            vif_details=fake_vif_details, vif_type=fake_vif_type)
        fake_subnets = self._get_fake_subnets(
            fake_docker_endpoint_id, fake_docker_network_id,
            fake_neutron_v4_subnet_id, fake_neutron_v6_subnet_id)
        fake_network = self._get_fake_networks(fake_docker_network_id)
        fake_network['networks'][0]['mtu'] = fake_mtu

        macvlan.port_bind(fake_docker_endpoint_id,
                          fake_neutron_port['port'],
                          fake_subnets['subnets'],
                          fake_network['networks'][0],
                          fake_nova_instance_port['port'])

        mock_configure_container_iface.assert_called_once()