# Copyright 2014 Hewlett-Packard Development Company, L.P.
# Copyright 2014 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 tempest.api.network import base
from tempest.common import utils
from tempest import config
from tempest.lib.common.utils import test_utils
from tempest.lib import decorators
from tempest.lib import exceptions as lib_exc

CONF = config.CONF


class FloatingIPNegativeTestJSON(base.BaseNetworkTest):
    """Test the following negative operations for floating ips:

        Create floatingip with a port that is unreachable to external network
        Create floatingip in private network
        Associate floatingip with port that is unreachable to external network
    """

    @classmethod
    def skip_checks(cls):
        super(FloatingIPNegativeTestJSON, cls).skip_checks()
        if not utils.is_extension_enabled('router', 'network'):
            msg = "router extension not enabled."
            raise cls.skipException(msg)
        if not CONF.network.public_network_id:
            msg = "The public_network_id option must be specified."
            raise cls.skipException(msg)
        if not CONF.network_feature_enabled.floating_ips:
            raise cls.skipException("Floating ips are not available")

    @classmethod
    def resource_setup(cls):
        super(FloatingIPNegativeTestJSON, cls).resource_setup()
        cls.ext_net_id = CONF.network.public_network_id
        # Create a network with a subnet connected to a router.
        cls.network = cls.create_network()
        subnet = cls.create_subnet(cls.network)
        router = cls.create_router()
        cls.create_router_interface(router['id'], subnet['id'])
        cls.port = cls.create_port(cls.network)

    @decorators.attr(type=['negative'])
    @decorators.idempotent_id('22996ea8-4a81-4b27-b6e1-fa5df92fa5e8')
    def test_create_floatingip_with_port_ext_net_unreachable(self):
        self.assertRaises(
            lib_exc.NotFound, self.floating_ips_client.create_floatingip,
            floating_network_id=self.ext_net_id, port_id=self.port['id'],
            fixed_ip_address=self.port['fixed_ips'][0]
                                      ['ip_address'])

    @decorators.attr(type=['negative'])
    @decorators.idempotent_id('50b9aeb4-9f0b-48ee-aa31-fa955a48ff54')
    def test_create_floatingip_in_private_network(self):
        self.assertRaises(lib_exc.BadRequest,
                          self.floating_ips_client.create_floatingip,
                          floating_network_id=self.network['id'],
                          port_id=self.port['id'],
                          fixed_ip_address=self.port['fixed_ips'][0]
                                                    ['ip_address'])

    @decorators.attr(type=['negative'])
    @decorators.idempotent_id('6b3b8797-6d43-4191-985c-c48b773eb429')
    def test_associate_floatingip_port_ext_net_unreachable(self):
        # Create floating ip
        body = self.floating_ips_client.create_floatingip(
            floating_network_id=self.ext_net_id)
        floating_ip = body['floatingip']
        self.addCleanup(
            test_utils.call_and_ignore_notfound_exc,
            self.floating_ips_client.delete_floatingip, floating_ip['id'])
        # Associate floating IP to the other port
        self.assertRaises(
            lib_exc.NotFound, self.floating_ips_client.update_floatingip,
            floating_ip['id'], port_id=self.port['id'],
            fixed_ip_address=self.port['fixed_ips'][0]['ip_address'])
