'Tests that the db_map is properly defined
-the db_map allows columns'

def test_db_map(self):

    class WildDBNames(Model, ):
        id = columns.UUID(primary_key=True, default=(lambda : uuid4()))
        content = columns.Text(db_field='words_and_whatnot')
        numbers = columns.Integer(db_field='integers_etc')
    db_map = WildDBNames._db_map
    self.assertEqual(db_map['words_and_whatnot'], 'content')
    self.assertEqual(db_map['integers_etc'], 'numbers')
