test_types_extras.py 文件源码

def test_cast_timestamptz(self):
        from psycopg2.extras import DateTimeTZRange
        from psycopg2.tz import FixedOffsetTimezone
        cur = self.conn.cursor()
        ts1 = datetime(2000, 1, 1, tzinfo=FixedOffsetTimezone(600))
        ts2 = datetime(2000, 12, 31, 23, 59, 59, 999,
                       tzinfo=FixedOffsetTimezone(600))
        cur.execute("select tstzrange(%s, %s, '[]')", (ts1, ts2))
        r = cur.fetchone()[0]
        self.assert_(isinstance(r, DateTimeTZRange))
        self.assert_(not r.isempty)
        self.assertEqual(r.lower, ts1)
        self.assertEqual(r.upper, ts2)
        self.assert_(not r.lower_inf)
        self.assert_(not r.upper_inf)
        self.assert_(r.lower_inc)
        self.assert_(r.upper_inc)