# Copyright 2013 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.

import netaddr
from tempest_lib import decorators

from tempest.api.compute import base
from tempest import config
from tempest import test

CONF = config.CONF


class VirtualInterfacesTestJSON(base.BaseV2ComputeTest):

    @classmethod
    def setup_credentials(cls):
        # This test needs a network and a subnet
        cls.set_network_resources(network=True, subnet=True)
        super(VirtualInterfacesTestJSON, cls).setup_credentials()

    @classmethod
    def setup_clients(cls):
        super(VirtualInterfacesTestJSON, cls).setup_clients()
        cls.client = cls.servers_client

    @classmethod
    def resource_setup(cls):
        super(VirtualInterfacesTestJSON, cls).resource_setup()
        server = cls.create_test_server(wait_until='ACTIVE')
        cls.server_id = server['id']

    @decorators.skip_because(bug="1183436",
                             condition=CONF.service_available.neutron)
    @test.idempotent_id('96c4e2ef-5e4d-4d7f-87f5-fed6dca18016')
    @test.services('network')
    def test_list_virtual_interfaces(self):
        # Positive test:Should be able to GET the virtual interfaces list
        # for a given server_id
        output = self.client.list_virtual_interfaces(self.server_id)
        self.assertIsNotNone(output)
        virt_ifaces = output
        self.assertNotEqual(0, len(virt_ifaces['virtual_interfaces']),
                            'Expected virtual interfaces, got 0 interfaces.')
        for virt_iface in virt_ifaces['virtual_interfaces']:
            mac_address = virt_iface['mac_address']
            self.assertTrue(netaddr.valid_mac(mac_address),
                            "Invalid mac address detected. mac address: %s"
                            % mac_address)
