def setUp(self):
        """Run before each test method to initialize test environment."""
        super(TestCase, self).setUp()
        self.context = ironic_context.get_admin_context()
        test_timeout = os.environ.get('OS_TEST_TIMEOUT', 0)
        try:
            test_timeout = int(test_timeout)
        except __HOLE__:
            # If timeout value is invalid do not set a timeout.
            test_timeout = 0
        if test_timeout > 0:
            self.useFixture(fixtures.Timeout(test_timeout, gentle=True))
        self.useFixture(fixtures.NestedTempfile())
        self.useFixture(fixtures.TempHomeDir())

        if (os.environ.get('OS_STDOUT_CAPTURE') == 'True' or
                os.environ.get('OS_STDOUT_CAPTURE') == '1'):
            stdout = self.useFixture(fixtures.StringStream('stdout')).stream
            self.useFixture(fixtures.MonkeyPatch('sys.stdout', stdout))
        if (os.environ.get('OS_STDERR_CAPTURE') == 'True' or
                os.environ.get('OS_STDERR_CAPTURE') == '1'):
            stderr = self.useFixture(fixtures.StringStream('stderr')).stream
            self.useFixture(fixtures.MonkeyPatch('sys.stderr', stderr))

        self.log_fixture = self.useFixture(fixtures.FakeLogger())
        self._set_config()
        # NOTE(danms): Make sure to reset us back to non-remote objects
        # for each test to avoid interactions. Also, backup the object
        # registry
        objects_base.IronicObject.indirection_api = None
        self._base_test_obj_backup = copy.copy(
            objects_base.IronicObjectRegistry.obj_classes())
        self.addCleanup(self._restore_obj_registry)

        self.addCleanup(self._clear_attrs)
        self.addCleanup(hash_ring.HashRingManager().reset)
        self.useFixture(fixtures.EnvironmentVariable('http_proxy'))
        self.policy = self.useFixture(policy_fixture.PolicyFixture())
dataset/ETHPy150Open openstack/ironic/ironic/tests/base.py/TestCase.setUp