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# vim: tabstop=4 shiftwidth=4 softtabstop=4

# Copyright 2013 Cloudbase Solutions SRL

# Copyright 2013 Pedro Navarro Perez

# 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.

"""

Unit Tests for hyperv neutron rpc

"""

import mock

from neutron.agent import rpc as agent_rpc

from neutron.common import topics

from neutron.openstack.common import context

from neutron.openstack.common import rpc

from neutron.plugins.hyperv import agent_notifier_api as ana

from neutron.plugins.hyperv.common import constants

from neutron.tests import base

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class rpcHyperVApiTestCase(base.BaseTestCase):

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    def _test_hyperv_neutron_api(

            self, rpcapi, topic, method, rpc_method, **kwargs):

        ctxt = context.RequestContext('fake_user', 'fake_project')

        expected_retval = 'foo' if method == 'call' else None

        expected_msg = rpcapi.make_msg(method, **kwargs)

        expected_msg['version'] = rpcapi.BASE_RPC_API_VERSION

        if rpc_method == 'cast' and method == 'run_instance':

            kwargs['call'] = False

        rpc_method_mock = mock.Mock()

        rpc_method_mock.return_value = expected_retval

        setattr(rpc, rpc_method, rpc_method_mock)

        retval = getattr(rpcapi, method)(ctxt, **kwargs)

        self.assertEqual(retval, expected_retval)

        expected_args = [ctxt, topic, expected_msg]

        for arg, expected_arg in zip(rpc_method_mock.call_args[0],

                                     expected_args):

            self.assertEqual(arg, expected_arg)

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    def test_delete_network(self):

        rpcapi = ana.AgentNotifierApi(topics.AGENT)

        self._test_hyperv_neutron_api(

            rpcapi,

            topics.get_topic_name(

                topics.AGENT,

                topics.NETWORK,

                topics.DELETE),

            'network_delete', rpc_method='fanout_cast',

            network_id='fake_request_spec')

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    def test_port_update(self):

        rpcapi = ana.AgentNotifierApi(topics.AGENT)

        self._test_hyperv_neutron_api(

            rpcapi,

            topics.get_topic_name(

                topics.AGENT,

                topics.PORT,

                topics.UPDATE),

            'port_update', rpc_method='fanout_cast',

            port='fake_port',

            network_type='fake_network_type',

            segmentation_id='fake_segmentation_id',

            physical_network='fake_physical_network')

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    def test_port_delete(self):

        rpcapi = ana.AgentNotifierApi(topics.AGENT)

        self._test_hyperv_neutron_api(

            rpcapi,

            topics.get_topic_name(

                topics.AGENT,

                topics.PORT,

                topics.DELETE),

            'port_delete', rpc_method='fanout_cast',

            port_id='port_id')

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    def test_tunnel_update(self):

        rpcapi = ana.AgentNotifierApi(topics.AGENT)

        self._test_hyperv_neutron_api(

            rpcapi,

            topics.get_topic_name(

                topics.AGENT,

                constants.TUNNEL,

                topics.UPDATE),

            'tunnel_update', rpc_method='fanout_cast',

            tunnel_ip='fake_ip', tunnel_id='fake_id')

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    def test_device_details(self):

        rpcapi = agent_rpc.PluginApi(topics.PLUGIN)

        self._test_hyperv_neutron_api(

            rpcapi, topics.PLUGIN,

            'get_device_details', rpc_method='call',

            device='fake_device',

            agent_id='fake_agent_id')

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    def test_update_device_down(self):

        rpcapi = agent_rpc.PluginApi(topics.PLUGIN)

        self._test_hyperv_neutron_api(

            rpcapi, topics.PLUGIN,

            'update_device_down', rpc_method='call',

            device='fake_device',

            agent_id='fake_agent_id',

            host='fake_host')

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    def test_tunnel_sync(self):

        rpcapi = agent_rpc.PluginApi(topics.PLUGIN)

        self._test_hyperv_neutron_api(

            rpcapi, topics.PLUGIN,

            'tunnel_sync', rpc_method='call',

            tunnel_ip='fake_tunnel_ip',

            tunnel_type=None)