#[cfg(test)]
mod tests {
    use gradecoin::schema::*;
    use serde_json::error::Error;
    use serde_test::{assert_tokens, Token};

    #[test]
    fn claims_serialize_correctly() {
        let claims = Claims {
            tha: "hashed_string".to_owned(),
            iat: 0,
            exp: 100,
        };
        assert_tokens(
            &claims,
            &[
                Token::Struct{name: "Claims", len: 3},
                Token::String("tha"),
                Token::String("hashed_string"),
                Token::String("iat"),
                Token::U64(0),
                Token::String("exp"),
                Token::U64(100),
                Token::StructEnd,
            ]
        )
    }

    #[test]
    fn claims_deserialize_correctly() {

    }

    #[test]
    fn transaction_serialize_correctly() {

    }

    #[test]
    fn transaction_deserialize_correctly() {

    }

    #[test]
    fn block_serialize_correctly() {

    }

    #[test]
    fn block_deserialize_correctly() {

    }

    #[test]
    fn block_deserialize_when_vec_emptpy() {

    }

    #[test]
    fn naked_block_serialize_correctly() {

    }

    #[test]
    fn naked_block_deserialize_correctly() {

    }

    #[test]
    fn naked_block_deserialize_when_vec_emptpy() {

    }

    #[test]
    fn user_serialize_correctly() {

    }

    #[test]
    fn user_deserialize_correctly() {

    }

    #[test]
    fn metu_id_serialize_correctly() {

    }

    #[test]
    fn metu_id_deserialize_correctly() {

    }

    #[test]
    fn auth_request_serialize_correctly() {

    }

    #[test]
    fn auth_request_deserialize_correctly() {

    }














}