test_types_extras.py 文件源码

def test_keywords(self):
        from psycopg2.extras import Range
        r = Range(upper=20)
        self.assertEqual(r.lower, None)
        self.assertEqual(r.upper, 20)
        self.assert_(not r.isempty)
        self.assert_(r.lower_inf)
        self.assert_(not r.upper_inf)
        self.assert_(not r.lower_inc)
        self.assert_(not r.upper_inc)

        r = Range(lower=10, bounds='(]')
        self.assertEqual(r.lower, 10)
        self.assertEqual(r.upper, None)
        self.assert_(not r.isempty)
        self.assert_(not r.lower_inf)
        self.assert_(r.upper_inf)
        self.assert_(not r.lower_inc)
        self.assert_(not r.upper_inc)