tests.py 文件源码

def test_setnx(self):
        # we should ensure there is no test_key_nx in redis
        self.cache.delete("test_key_nx")
        res = self.cache.get("test_key_nx", None)
        self.assertEqual(res, None)

        res = self.cache.set("test_key_nx", 1, nx=True)
        self.assertTrue(res)
        # test that second set will have
        res = self.cache.set("test_key_nx", 2, nx=True)
        self.assertFalse(res)
        res = self.cache.get("test_key_nx")
        self.assertEqual(res, 1)

        self.cache.delete("test_key_nx")
        res = self.cache.get("test_key_nx", None)
        self.assertEqual(res, None)