This argument is wrong. Redis#mget expects variable-length arguments of string.
There is no problem in the case of using Redis object. However, there
are problems in the case of another object having interfaces same as Redis object
(typically, a mock object as mock_redis).
This argument is wrong. Redis#mget expects variable-length arguments of string. There is no problem in the case of using Redis object. However, there are problems in the case of another object having interfaces same as Redis object (typically, a mock object as mock_redis).