def record_action(path, action, treat_nonregistered_as_non_managed=True):
ret = transactional_manager().record_action(path, action)
if not ret and treat_nonregistered_as_non_managed:
manager = TransactionalManager([path])
manager.managed(False)
ret = manager.record_action(path, action)
assert ret
return ret
def setUp(self):
logger = logging.getLogger('transactional_test')
logger.setLevel(logging.DEBUG)
self.handler = DummyHandler()
logger.addHandler(self.handler)
assert logger.isEnabledFor(logging.DEBUG)
self.transactional_manager = TransactionalManager(['transactional.transactional_middleware.DatabaseTransactionMiddleware',
('transactional.transactional_middleware.LoggingTransactionMiddleware', [logger], {})])
def record_action(path, action, treat_nonregistered_as_non_managed=True):
ret = transactional_manager().record_action(path, action)
if not ret and treat_nonregistered_as_non_managed:
manager = TransactionalManager([path])
manager.managed(False)
ret = manager.record_action(path, action)
assert ret
return ret
class TransactionalTest(TestCase):
def setUp(self):
logger = logging.getLogger('transactional_test')
logger.setLevel(logging.DEBUG)
self.handler = DummyHandler()
logger.addHandler(self.handler)
assert logger.isEnabledFor(logging.DEBUG)
self.transactional_manager = TransactionalManager(['transactional.transactional_middleware.DatabaseTransactionMiddleware',
('transactional.transactional_middleware.LoggingTransactionMiddleware', [logger], {})])
def assert_log(self, *messages):
seen = self.handler.messages
self.handler.messages = list()
for message in messages:
self.assertTrue(message in seen, '%s not in %s' % (message, seen))
def assert_not_log(self, *messages):
for message in messages:
self.assertTrue(message not in self.handler.messages)
def record_action(self, action):
assert self.transactional_manager.record_action('transactional.transactional_middleware.LoggingTransactionMiddleware', action)
def test_transactional_manager(self):
from common import record_action, commit
record_action('transactional.transactional_middleware.LoggingTransactionMiddleware', 'start')
#self.assert_log('Performed: start')
self.transactional_manager.activate_context()
self.transactional_manager.enter()
self.transactional_manager.managed(True)
self.assert_log('Entering transaction management')
middleware = self.transactional_manager.middleware['transactional.transactional_middleware.LoggingTransactionMiddleware']
assert middleware.is_managed()
self.record_action('foo')
self.assertEqual(1, len(middleware.session.actions))
self.transactional_manager.commit()
self.assertEqual(0, len(middleware.session.actions))
self.assert_log('Performed: foo', 'commit')
self.transactional_manager.rollback()
self.transactional_manager.is_managed()
self.record_action('level 1')
sp = self.transactional_manager.savepoint_enter()
self.record_action('level 2')
self.transactional_manager.savepoint_commit(sp)
self.assert_not_log('Performed: level 1')
self.assert_log('Performed: level 2')
sp = self.transactional_manager.savepoint_enter()
self.record_action('level 3')
self.transactional_manager.savepoint_rollback(sp)
self.assert_log('Rollbacked: level 3')
self.assert_not_log('Performed: level 1')
self.transactional_manager.commit_unless_managed()
self.assert_not_log('Performed: level 1')
self.transactional_manager.commit()
self.assert_log('Performed: level 1')
self.transactional_manager.rollback_unless_managed()
assert record_action('transactional.transactional_middleware.LoggingTransactionMiddleware', 'foo')
self.assert_not_log('Performed: foo')
commit()
self.assert_log('Performed: foo')
self.transactional_manager.leave()
self.transactional_manager.deactivate_context()
