def test_raises_exception_from_callback(self): def raise_exception(): """Raises an Exception.""" raise Exception('uh-oh!') with self.assertRaisesRegexp(Exception, 'uh-oh!'): gae_datastore_services.transaction(raise_exception)
def test_returns_none_from_void_callback(self): def do_nothing(): """Does nothing.""" pass self.assertIsNone(gae_datastore_services.transaction(do_nothing))
def test_returns_value_of_callback(self): self.assertEqual(gae_datastore_services.transaction(lambda: 1), 1)
def test_returns_value_of_nested_transaction(self): self.assertEqual( gae_datastore_services.transaction( lambda: gae_datastore_services.transaction(lambda: 1)), 1)