def setUp(self):
super(DietTestCase, self).setUp()
# NOTE(slaweq): Make deprecation warnings only happen once.
warnings.simplefilter("once", DeprecationWarning)
# NOTE(slaweq): Let's not display such warnings in tests as we know
# that we have many places where policy enforcement depends on values
# like is_admin or project_id and there can be a lot of such warnings
# in the logs
warnings.filterwarnings(
'ignore',
message=('Policy enforcement is depending on the value of '))
# Suppress some log messages during test runs, otherwise it may cause
# issues with subunit parser when running on Python 3. It happened for
# example for neutron-functional tests.
# With this suppress of log levels DEBUG logs will not be captured by
# stestr on pythonlogging stream and will not cause this parser issue.
supress_logs = [
'neutron', 'neutron_lib', 'stevedore', 'oslo_policy',
'oslo_concurrency', 'oslo_db', 'alembic', 'ovsdbapp'
]
for supress_log in supress_logs:
logger = logging.getLogger(supress_log)
logger.setLevel(logging.ERROR)
# FIXME(amuller): this must be called in the Neutron unit tests base
# class. Moving this may cause non-deterministic failures. Bug #1489098
# for more info.
db_options.set_defaults(cfg.CONF, connection='sqlite://')
# Configure this first to ensure pm debugging support for setUp()
debugger = os.environ.get('OS_POST_MORTEM_DEBUGGER')
if debugger:
self.addOnException(
post_mortem_debug.get_exception_handler(debugger))
# Make sure we see all relevant deprecation warnings when running tests
self.useFixture(fixture.WarningsFixture(module_re=['^neutron\\.']))
self.useFixture(fixture.DBQueryHooksFixture())
# NOTE(ihrachys): oslotest already sets stopall for cleanup, but it
# does it using six.moves.mock (the library was moved into
# unittest.mock in Python 3.4). So until we switch to six.moves.mock
# everywhere in unit tests, we can't remove this setup. The base class
# is used in 3party projects, so we would need to switch all of them to
# six before removing the cleanup callback from here.
self.addCleanup(mock.patch.stopall)
self.useFixture(fixture.DBResourceExtendFixture())
self.addOnException(self.check_for_systemexit)
self.orig_pid = os.getpid()
lib_test_tools.reset_random_seed()
def test_fixture_regex(self, mock_filterwarnings):
module_re = ['^neutron\\.']
warn_fixture = fixture.WarningsFixture(module_re=module_re)
warn_fixture.setUp()
call_re = mock_filterwarnings.mock_calls[0][2]['module']
self.assertEqual('^neutron_lib\\.|^neutron\\.', call_re)
self.assertIsNotNone(re.compile(call_re))
self.assertIsNotNone(re.search(call_re, 'neutron.db.blah'))
self.assertIsNotNone(re.search(call_re, 'neutron_lib.db.blah'))
self.assertIsNone(re.search(call_re,
'neutron_dynamic_routing.db.blah'))
def setUp(self):
super(BaseTestCase, self).setUp()
self.useFixture(fixture.PluginDirectoryFixture())
# Enabling 'use_fatal_exceptions' allows us to catch string
# substitution format errors in exception messages.
mock.patch.object(exceptions.NeutronException,
'use_fatal_exceptions',
return_value=True).start()
db_options.set_defaults(cfg.CONF, connection='sqlite://')
self.useFixture(
fixtures.MonkeyPatch(
'oslo_config.cfg.find_config_files',
lambda project=None, prog=None, extension=None: []))
self.setup_config()
# Configure this first to ensure pm debugging support for setUp()
debugger = os.environ.get('OS_POST_MORTEM_DEBUGGER')
if debugger:
self.addOnException(
post_mortem_debug.get_exception_handler(debugger))
# Make sure we see all relevant deprecation warnings when running tests
self.useFixture(fixture.WarningsFixture())
if bool_from_env('OS_DEBUG'):
_level = std_logging.DEBUG
else:
_level = std_logging.INFO
capture_logs = bool_from_env('OS_LOG_CAPTURE')
if not capture_logs:
std_logging.basicConfig(format=LOG_FORMAT, level=_level)
self.log_fixture = self.useFixture(
fixtures.FakeLogger(
format=LOG_FORMAT,
level=_level,
nuke_handlers=capture_logs,
))
test_timeout = get_test_timeout()
if test_timeout == -1:
test_timeout = 0
if test_timeout > 0:
self.useFixture(fixtures.Timeout(test_timeout, gentle=True))
# If someone does use tempfile directly, ensure that it's cleaned up
self.useFixture(fixtures.NestedTempfile())
self.useFixture(fixtures.TempHomeDir())
self.addCleanup(mock.patch.stopall)
if bool_from_env('OS_STDOUT_CAPTURE'):
stdout = self.useFixture(fixtures.StringStream('stdout')).stream
self.useFixture(fixtures.MonkeyPatch('sys.stdout', stdout))
if bool_from_env('OS_STDERR_CAPTURE'):
stderr = self.useFixture(fixtures.StringStream('stderr')).stream
self.useFixture(fixtures.MonkeyPatch('sys.stderr', stderr))
self.addOnException(self.check_for_systemexit)
self.orig_pid = os.getpid()
