text: #    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 mock
  
  from ironicclient.common import filecache
  from ironicclient.common import http
  from ironicclient import exc
  from ironicclient.tests.unit import utils
  from ironicclient.v1 import client
  
  
  @mock.patch.object(http, '_construct_http_client', autospec=True)
  class ClientTest(utils.BaseTestCase):
  
      def test_client_user_api_version(self, http_client_mock):
          endpoint = 'http://ironic:6385'
          token = 'safe_token'
          os_ironic_api_version = '1.15'
  
          client.Client(endpoint, token=token,
                        os_ironic_api_version=os_ironic_api_version)
  
          http_client_mock.assert_called_once_with(
              endpoint_override=endpoint, token=token,
              os_ironic_api_version=os_ironic_api_version,
              api_version_select_state='user')
  
      def test_client_user_api_version_with_downgrade(self, http_client_mock):
          endpoint = 'http://ironic:6385'
          token = 'safe_token'
          os_ironic_api_version = '1.15'
  
          client.Client(endpoint, token=token,
                        os_ironic_api_version=os_ironic_api_version,
                        allow_api_version_downgrade=True)
  
          http_client_mock.assert_called_once_with(
              token=token, endpoint_override=endpoint,
              os_ironic_api_version=os_ironic_api_version,
              api_version_select_state='default')
  
      def test_client_user_api_version_latest_with_downgrade(self,
                                                             http_client_mock):
          endpoint = 'http://ironic:6385'
          token = 'safe_token'
          os_ironic_api_version = 'latest'
  
          self.assertRaises(ValueError, client.Client, endpoint,
                            token=token, allow_api_version_downgrade=True,
                            os_ironic_api_version=os_ironic_api_version)
  
      @mock.patch.object(filecache, 'retrieve_data', autospec=True)
      def test_client_cache_api_version(self, cache_mock, http_client_mock):
          endpoint = 'http://ironic:6385'
          token = 'safe_token'
          os_ironic_api_version = '1.15'
          cache_mock.return_value = os_ironic_api_version
  
          client.Client(endpoint, token=token)
  
          cache_mock.assert_called_once_with(host='ironic', port='6385')
          http_client_mock.assert_called_once_with(
              endpoint_override=endpoint, token=token,
              os_ironic_api_version=os_ironic_api_version,
              api_version_select_state='cached')
  
      @mock.patch.object(filecache, 'retrieve_data', autospec=True)
      def test_client_default_api_version(self, cache_mock, http_client_mock):
          endpoint = 'http://ironic:6385'
          token = 'safe_token'
          cache_mock.return_value = None
  
          client.Client(endpoint, token=token)
  
          cache_mock.assert_called_once_with(host='ironic', port='6385')
          http_client_mock.assert_called_once_with(
              endpoint_override=endpoint, token=token,
              os_ironic_api_version=client.DEFAULT_VER,
              api_version_select_state='default')
  
      def test_client_cache_version_no_endpoint_as_arg(self, http_client_mock):
          self.assertRaises(exc.EndpointException,
                            client.Client,
                            session='fake_session',
                            insecure=True)
  
      def test_client_initialized_managers(self, http_client_mock):
          cl = client.Client('http://ironic:6385', token='safe_token',
                             os_ironic_api_version='1.15')
  
          self.assertIsInstance(cl.node, client.node.NodeManager)
          self.assertIsInstance(cl.port, client.port.PortManager)
          self.assertIsInstance(cl.driver, client.driver.DriverManager)
          self.assertIsInstance(cl.chassis, client.chassis.ChassisManager)
  
      def test_negotiate_api_version(self, http_client_mock):
          endpoint = 'http://ironic:6385'
          token = 'safe_token'
          os_ironic_api_version = 'latest'
          cl = client.Client(endpoint, token=token,
                             os_ironic_api_version=os_ironic_api_version)
  
          cl.negotiate_api_version()
          http_client_mock.assert_called_once_with(
              api_version_select_state='user', endpoint_override=endpoint,
              os_ironic_api_version='latest', token=token)
          # TODO(TheJulia): We should verify that negotiate_version
          # is being called in the client and returns a version,
          # although mocking might need to be restrutured to
          # properly achieve that.
  