# 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.


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


class ExtensionsTestJSON(base.BaseNetworkTest):

    """
    Tests the following operations in the Neutron API using the REST client for
    Neutron:

        List all available extensions

    v2.0 of the Neutron API is assumed. It is also assumed that the following
    options are defined in the [network] section of etc/tempest.conf:

    """

    @classmethod
    def resource_setup(cls):
        super(ExtensionsTestJSON, cls).resource_setup()

    @test.attr(type='smoke')
    @test.idempotent_id('ef28c7e6-e646-4979-9d67-deb207bc5564')
    def test_list_show_extensions(self):
        # List available extensions for the tenant
        expected_alias = ['security-group', 'l3_agent_scheduler',
                          'ext-gw-mode', 'binding', 'quotas',
                          'agent', 'dhcp_agent_scheduler', 'provider',
                          'router', 'extraroute', 'external-net',
                          'allowed-address-pairs', 'extra_dhcp_opt']
        expected_alias = [ext for ext in expected_alias if
                          test.is_extension_enabled(ext, 'network')]
        actual_alias = list()
        extensions = self.client.list_extensions()
        list_extensions = extensions['extensions']
        # Show and verify the details of the available extensions
        for ext in list_extensions:
            ext_name = ext['name']
            ext_alias = ext['alias']
            actual_alias.append(ext['alias'])
            ext_details = self.client.show_extension(ext_alias)
            ext_details = ext_details['extension']

            self.assertIsNotNone(ext_details)
            self.assertIn('updated', ext_details.keys())
            self.assertIn('name', ext_details.keys())
            self.assertIn('description', ext_details.keys())
            self.assertIn('links', ext_details.keys())
            self.assertIn('alias', ext_details.keys())
            self.assertEqual(ext_details['name'], ext_name)
            self.assertEqual(ext_details['alias'], ext_alias)
            self.assertEqual(ext_details, ext)
        # Verify if expected extensions are present in the actual list
        # of extensions returned, but only for those that have been
        # enabled via configuration
        for e in expected_alias:
            if test.is_extension_enabled(e, 'network'):
                self.assertIn(e, actual_alias)
