# 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_lib.common.utils import data_utils
from tempest_lib import exceptions as lib_exc

from neutron.tests.api import base
from neutron.tests.tempest import config
from neutron.tests.tempest import test

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
        Associate floating ip to port that has already another floating ip
        Associate floating ip with port from another tenant
    """

    @classmethod
    def resource_setup(cls):
        super(FloatingIPNegativeTestJSON, cls).resource_setup()
        if not test.is_extension_enabled('router', 'network'):
            msg = "router extension not enabled."
            raise cls.skipException(msg)
        cls.ext_net_id = CONF.network.public_network_id
        # Create a network with a subnet connected to a router.
        cls.network = cls.create_network()
        cls.subnet = cls.create_subnet(cls.network)
        cls.router = cls.create_router(data_utils.rand_name('router'))
        cls.create_router_interface(cls.router['id'], cls.subnet['id'])
        cls.port = cls.create_port(cls.network)

    @test.attr(type=['negative', 'smoke'])
    @test.idempotent_id('22996ea8-4a81-4b27-b6e1-fa5df92fa5e8')
    def test_create_floatingip_with_port_ext_net_unreachable(self):
        self.assertRaises(lib_exc.NotFound, self.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'])

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

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

    @test.attr(type=['negative', 'smoke'])
    @test.idempotent_id('0b5b8797-6de7-4191-905c-a48b888eb429')
    def test_associate_floatingip_with_port_with_floatingip(self):
        net = self.create_network()
        subnet = self.create_subnet(net)
        r = self.create_router('test')
        self.create_router_interface(r['id'], subnet['id'])
        self.client.update_router(
            r['id'],
            external_gateway_info={
                'network_id': self.ext_net_id})
        self.addCleanup(self.client.update_router, self.router['id'],
                        external_gateway_info={})
        port = self.create_port(net)
        body1 = self.client.create_floatingip(
            floating_network_id=self.ext_net_id)
        floating_ip1 = body1['floatingip']
        self.addCleanup(self.client.delete_floatingip, floating_ip1['id'])
        body2 = self.client.create_floatingip(
            floating_network_id=self.ext_net_id)
        floating_ip2 = body2['floatingip']
        self.addCleanup(self.client.delete_floatingip, floating_ip2['id'])
        self.client.update_floatingip(floating_ip1['id'],
                                      port_id=port['id'])
        self.assertRaises(lib_exc.Conflict, self.client.update_floatingip,
                          floating_ip2['id'], port_id=port['id'])