# 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.

import httpretty

from keystoneclient.generic import client
from keystoneclient.openstack.common import jsonutils
from keystoneclient.tests import utils

BASE_HOST = 'http://keystone.example.com'
BASE_URL = "%s:5000/" % BASE_HOST
V2_URL = "%sv2.0" % BASE_URL

EXTENSION_NAMESPACE = "http://docs.openstack.org/identity/api/ext/OS-FAKE/v1.0"
EXTENSION_DESCRIBED = {"href": "https://github.com/openstack/identity-api",
                       "rel": "describedby",
                       "type": "text/html"}

EXTENSION_ALIAS_FOO = "OS-FAKE-FOO"
EXTENSION_NAME_FOO = "OpenStack Keystone Fake Extension Foo"
EXTENSION_FOO = {"alias": EXTENSION_ALIAS_FOO,
                 "description": "Fake Foo extension to V2.0 API.",
                 "links": [EXTENSION_DESCRIBED],
                 "name": EXTENSION_NAME_FOO,
                 "namespace": EXTENSION_NAMESPACE,
                 "updated": '2014-01-08T00:00:00Z'}

EXTENSION_ALIAS_BAR = "OS-FAKE-BAR"
EXTENSION_NAME_BAR = "OpenStack Keystone Fake Extension Bar"
EXTENSION_BAR = {"alias": EXTENSION_ALIAS_BAR,
                 "description": "Fake Bar extension to V2.0 API.",
                 "links": [EXTENSION_DESCRIBED],
                 "name": EXTENSION_NAME_BAR,
                 "namespace": EXTENSION_NAMESPACE,
                 "updated": '2014-01-08T00:00:00Z'}


def _create_extension_list(extensions):
    return jsonutils.dumps({'extensions': {'values': extensions}})


EXTENSION_LIST = _create_extension_list([EXTENSION_FOO, EXTENSION_BAR])


@httpretty.activate
class ClientDiscoveryTests(utils.TestCase):

    def test_discover_extensions_v2(self):
        httpretty.register_uri(httpretty.GET, "%s/extensions" % V2_URL,
                               body=EXTENSION_LIST)
        extensions = client.Client().discover_extensions(url=V2_URL)
        self.assertIn(EXTENSION_ALIAS_FOO, extensions)
        self.assertEqual(extensions[EXTENSION_ALIAS_FOO], EXTENSION_NAME_FOO)
        self.assertIn(EXTENSION_ALIAS_BAR, extensions)
        self.assertEqual(extensions[EXTENSION_ALIAS_BAR], EXTENSION_NAME_BAR)

Fix discover command failed to read extension list issue
Fix discover command failed to read extension list issue

Fix the key error which caused discover command failed to read the
response body of extension list result. This change also added test
cases to cover the use case of generic client extension discovery.

Change-Id: Id687f8d73cead28f594de00d3b5ff9086558947b
Closes-Bug: #1266710
