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.
  
  from oslo_config import cfg
  import testtools
  
  from keystone.catalog import core
  from keystone import exception
  
  
  CONF = cfg.CONF
  
  
  class FormatUrlTests(testtools.TestCase):
  
      def test_successful_formatting(self):
          url_template = ('http://$(public_bind_host)s:$(admin_port)d/'
                          '$(tenant_id)s/$(user_id)s')
          values = {'public_bind_host': 'server', 'admin_port': 9090,
                    'tenant_id': 'A', 'user_id': 'B'}
          actual_url = core.format_url(url_template, values)
  
          expected_url = 'http://server:9090/A/B'
          self.assertEqual(actual_url, expected_url)
  
      def test_raises_malformed_on_missing_key(self):
          self.assertRaises(exception.MalformedEndpoint,
                            core.format_url,
                            "http://$(public_bind_host)s/$(public_port)d",
                            {"public_bind_host": "1"})
  
      def test_raises_malformed_on_wrong_type(self):
          self.assertRaises(exception.MalformedEndpoint,
                            core.format_url,
                            "http://$(public_bind_host)d",
                            {"public_bind_host": "something"})
  
      def test_raises_malformed_on_incomplete_format(self):
          self.assertRaises(exception.MalformedEndpoint,
                            core.format_url,
                            "http://$(public_bind_host)",
                            {"public_bind_host": "1"})
  
      def test_formatting_a_non_string(self):
          def _test(url_template):
              self.assertRaises(exception.MalformedEndpoint,
                                core.format_url,
                                url_template,
                                {})
  
          _test(None)
          _test(object())
  
      def test_substitution_with_key_not_allowed(self):
          # If the url template contains a substitution that's not in the allowed
          # list then MalformedEndpoint is raised.
          # For example, admin_token isn't allowed.
          url_template = ('http://$(public_bind_host)s:$(public_port)d/'
                          '$(tenant_id)s/$(user_id)s/$(admin_token)s')
          values = {'public_bind_host': 'server', 'public_port': 9090,
                    'tenant_id': 'A', 'user_id': 'B', 'admin_token': 'C'}
          self.assertRaises(exception.MalformedEndpoint,
                            core.format_url,
                            url_template,
                            values)
  