def test_from_string(self):
self.assertIs(OrderStatus.from_string('p'), OrderStatus.pending)
self.assertRaises(ValueError, OrderStatus.from_string, 'invalid')
def test_iter_support(self):
self.assertTrue(len(list(OrderStatus)) > 0)
for status in OrderStatus:
self.assertTrue(hasattr(OrderStatus, status.name))
self.assertIs(OrderStatus.from_string(status.value), getattr(OrderStatus, status.name))
def test_type(self):
self.assertIsInstance(OrderStatus.db_type().impl, sqlalchemy.types.Enum)
