test_types_extras.py 文件源码

def test_eq_hash(self):
        from psycopg2.extras import Range
        def assert_equal(r1, r2):
            self.assert_(r1 == r2)
            self.assert_(hash(r1) == hash(r2))

        assert_equal(Range(empty=True), Range(empty=True))
        assert_equal(Range(), Range())
        assert_equal(Range(10, None), Range(10, None))
        assert_equal(Range(10, 20), Range(10, 20))
        assert_equal(Range(10, 20), Range(10, 20, '[)'))
        assert_equal(Range(10, 20, '[]'), Range(10, 20, '[]'))

        def assert_not_equal(r1, r2):
            self.assert_(r1 != r2)
            self.assert_(hash(r1) != hash(r2))

        assert_not_equal(Range(10, 20), Range(10, 21))
        assert_not_equal(Range(10, 20), Range(11, 20))
        assert_not_equal(Range(10, 20, '[)'), Range(10, 20, '[]'))