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# Copyright 2013 Hewlett-Packard Development Company, L.P.
# 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 unittest.mock import Mock, patch
from testtools.matchers import Equals, Is, Not
import webob.exc

from trove.common import base_wsgi
from trove.common import exception
from trove.common import wsgi
from trove.tests.unittests import trove_testtools
import webob


class TestWsgi(trove_testtools.TestCase):
    def test_process_request(self):
        middleware = wsgi.ContextMiddleware("test_trove")
        req = webob.BaseRequest({})
        token = 'MI23fdf2defg123'
        user_id = 'test_user_id'
        req.headers = {
            'X-User': 'do not use - deprecated',
            'X-User-ID': user_id,
            'X-Auth-Token': token,
            'X-Service-Catalog': '[]'
        }
        req.environ = {}
        # invocation
        middleware.process_request(req)
        # assertions
        ctx = req.environ[wsgi.CONTEXT_KEY]
        self.assertThat(ctx, Not(Is(None)))
        self.assertThat(ctx.user_id, Equals(user_id))
        self.assertThat(ctx.auth_token, Equals(token))
        self.assertEqual(0, len(ctx.service_catalog))


class TestController(trove_testtools.TestCase):

    @patch.object(base_wsgi.Resource, 'execute_action',
                  side_effect=exception.RootHistoryNotFound())
    @patch.object(wsgi.Controller, 'delete', create=True)
    @patch.object(wsgi.Controller, 'validate_request')
    def test_exception_root_history_notfound(self, *args):
        controller = wsgi.Controller()
        resource = controller.create_resource()
        req = Mock()
        result = resource.execute_action('delete', req)
        self.assertIsInstance(result.wrapped_exc,
                              webob.exc.HTTPNotFound)