use crate::brain::agent::service::notify_policy::{SENDER_LABEL_MAX_CHARS, validate_sender_label};
#[test]
fn sender_label_rejects_framing_breakers_and_overlong() {
assert!(validate_sender_label("ok label").is_ok());
let brk = validate_sender_label("bad]label").unwrap_err();
assert!(brk.contains("must not contain"), "got: {brk}");
let nl = validate_sender_label("bad\nlabel").unwrap_err();
assert!(nl.contains("must not contain"), "got: {nl}");
let long = validate_sender_label("x".repeat(SENDER_LABEL_MAX_CHARS + 1).as_str()).unwrap_err();
assert!(long.contains("at most"), "got: {long}");
assert!(validate_sender_label("x".repeat(SENDER_LABEL_MAX_CHARS).as_str()).is_ok());
}