flodgatt/src/redis_to_client_stream/redis/redis_msg/test.rs

use super::*;

#[test]
fn parse_redis_subscribe() -> Result<(), RedisParseErr> {
    let input = "*3\r\n$9\r\nsubscribe\r\n$15\r\ntimeline:public\r\n:1\r\n";

    let r_subscribe = match RedisParseOutput::try_from(input) {
        Ok(NonMsg(leftover)) => leftover,
        Ok(Msg(msg)) => panic!("unexpectedly got a msg: {:?}", msg),
        Err(e) => panic!("Error in parsing subscribe command: {:?}", e),
    };
    assert!(r_subscribe.is_empty());

    Ok(())
}

#[test]
fn parse_redis_detects_non_newline() -> Result<(), RedisParseErr> {
    let input =
        "*3QQ$7\r\nmessage\r\n$12\r\ntimeline:308\r\n$38\r\n{\"event\":\"delete\",\"payload\":\"1038647\"}\r\n";

    match RedisParseOutput::try_from(input) {
        Ok(NonMsg(leftover)) => panic!(
            "Parsed an invalid msg as a non-msg.\nInput `{}` parsed to NonMsg({:?})",
            &input, leftover
        ),
        Ok(Msg(msg)) => panic!(
            "Parsed an invalid msg as a msg.\nInput `{:?}` parsed to {:?}",
            &input, msg
        ),
        Err(_) => (), // should err
    };

    Ok(())
}

fn parse_redis_msg() -> Result<(), RedisParseErr> {
    let input =
        "*3\r\n$7\r\nmessage\r\n$12\r\ntimeline:308\r\n$38\r\n{\"event\":\"delete\",\"payload\":\"1038647\"}\r\n";

    let r_msg = match RedisParseOutput::try_from(input) {
        Ok(NonMsg(leftover)) => panic!(
            "Parsed a msg as a non-msg.\nInput `{}` parsed to NonMsg({:?})",
            &input, leftover
        ),
        Ok(Msg(msg)) => msg,
        Err(e) => panic!("Error in parsing subscribe command: {:?}", e),
    };

    assert!(r_msg.leftover_input.is_empty());
    assert_eq!(r_msg.timeline_txt, "timeline:308");
    assert_eq!(r_msg.event_txt, r#"{"event":"delete","payload":"1038647"}"#);
    Ok(())
}