def test_app_settings_should_ignore_default_value(self):
# Set application setting by os.setenv
os.environ.update({TEST_APP_SETTING_NAME: '42'})
# Try using utility to acquire application setting
app_setting = common.get_app_setting(TEST_APP_SETTING_NAME, 'default')
self.assertEqual(app_setting, '42')
def setUp(self):
self.was_shmem_env_true = is_envvar_true(
FUNCTIONS_WORKER_SHARED_MEMORY_DATA_TRANSFER_ENABLED)
os.environ.update(
{FUNCTIONS_WORKER_SHARED_MEMORY_DATA_TRANSFER_ENABLED: '1'})
os_name = platform.system()
if os_name == 'Darwin':
# If an existing AppSetting is specified, save it so it can be
# restored later
self.was_shmem_dirs = get_app_setting(
UNIX_SHARED_MEMORY_DIRECTORIES)
self._setUpDarwin()
elif os_name == 'Linux':
self._setUpLinux()
self.file_accessor = FileAccessorFactory.create_file_accessor()
def test_app_settings_return_setting_value_when_validation_succeed(self):
def parse_int_no_raise(value: str):
try:
int(value)
return True
except ValueError:
return False
# Set application setting to an invalid value
os.environ.update({TEST_APP_SETTING_NAME: '42'})
app_setting = common.get_app_setting(TEST_APP_SETTING_NAME,
default_value='1',
validator=parse_int_no_raise)
# Because 'invalid' is not an interger, falls back to default value
self.assertEqual(app_setting, '42')
def test_app_settings_should_not_trigger_validator_when_not_set(self):
def raise_excpt(value: str):
raise Exception('Should not raise on app setting not found')
common.get_app_setting(TEST_APP_SETTING_NAME, validator=raise_excpt)
def test_app_settings_not_set_should_return_default_value(self):
app_setting = common.get_app_setting(TEST_APP_SETTING_NAME, 'default')
self.assertEqual(app_setting, 'default')
def test_app_settings_not_set_should_return_none(self):
app_setting = common.get_app_setting(TEST_APP_SETTING_NAME)
self.assertIsNone(app_setting)