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
  from oslo_config import fixture as config_fixture
  from oslo_log.fixture import logging_error
  from oslotest import output
  import testtools
  
  from designer_family import conf
  from designer_family import context
  from designer_family.tests import fixtures
  from designer_family.tests.functional.fixtures import capture
  from designer_family.tests.unit import policy_fixture
  
  
  class TestCase(testtools.TestCase):
      """A base test case for designer_family functional tests.
  
      Sets up minimum configuration for database and policy handling
      and establishes the designer_family database.
      """
  
      def setUp(self):
          super(TestCase, self).setUp()
  
          # Manage required configuration
          self.conf_fixture = self.useFixture(
              config_fixture.Config(cfg.ConfigOpts()))
          conf.register_opts(self.conf_fixture.conf)
          self.placement_db = self.useFixture(fixtures.Database(
              self.conf_fixture, set_config=True))
          self.conf_fixture.conf([], default_config_files=[])
  
          self.useFixture(policy_fixture.PolicyFixture(self.conf_fixture))
  
          self.useFixture(capture.Logging())
          self.useFixture(output.CaptureOutput())
          # Filter ignorable warnings during test runs.
          self.useFixture(capture.WarningsFixture())
          self.useFixture(logging_error.get_logging_handle_error_fixture())
  
          self.context = context.RequestContext()
          self.context.config = self.conf_fixture.conf
  