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

# Copyright 2010-2011 OpenStack LLC.
# 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 json
import unittest

import stubout
import webob

from glance import client
from glance.common import config
from glance.common import exception
from glance.api import versions
from glance.tests import stubs
from glance.tests import utils


class VersionsTest(unittest.TestCase):

    """
    Test the version information returned from
    the API service
    """

    def setUp(self):
        """Establish a clean test environment"""
        self.stubs = stubout.StubOutForTesting()
        stubs.stub_out_registry_and_store_server(self.stubs)

    def tearDown(self):
        """Clear the test environment"""
        self.stubs.UnsetAll()

    def test_get_version_list(self):
        req = webob.Request.blank('/')
        req.accept = "application/json"
        conf = utils.TestConfigOpts({
                'bind_host': '0.0.0.0',
                'bind_port': 9292
                })
        res = req.get_response(versions.Controller(conf))
        self.assertEqual(res.status_int, 300)
        self.assertEqual(res.content_type, "application/json")
        results = json.loads(res.body)["versions"]
        expected = [
            {
                "id": "v1.1",
                "status": "CURRENT",
                "links": [
                    {
                        "rel": "self",
                        "href": "http://0.0.0.0:9292/v1/"}]},
            {
                "id": "v1.0",
                "status": "SUPPORTED",
                "links": [
                    {
                        "rel": "self",
                        "href": "http://0.0.0.0:9292/v1/"}]}]
        self.assertEqual(results, expected)

    def test_client_handles_versions(self):
        api_client = client.Client("0.0.0.0", doc_root="")

        self.assertRaises(exception.MultipleChoices,
                          api_client.get_images)
