test_types_extras.py 文件源码

def test_str(self):
        snowman = "\u2603"
        obj = {'a': [1, 2, snowman]}
        j = psycopg2.extensions.adapt(psycopg2.extras.Json(obj))
        s = str(j)
        self.assertTrue(isinstance(s, str))
        # no pesky b's
        self.assertTrue(s.startswith("'"))
        self.assertTrue(s.endswith("'"))