M3a review finding 8. The wait was expires plus the timeout with no bound, and the "expiry too far away" guard could not fire, so a far expiry (which brokerd produces when now + ttl_ms does not fit) parked a turn for ever. Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
61 lines
1.9 KiB
Rust
61 lines
1.9 KiB
Rust
//! After a pending frame, `BrokerPort` waits for `expires` plus its timeout, but never longer than
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//! its cap, whatever `expires` says (M3a review finding 8). `brokerd` falls back to the largest
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//! timestamp when `now + ttl_ms` does not fit, so a far `expires` is reachable by configuration.
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#[path = "support/broker.rs"]
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mod fake;
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use std::sync::{Arc, Mutex};
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use std::thread;
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use std::time::{Duration, Instant};
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use fake::{broker, request, send};
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use loopd::broker_port::{BrokerPort, MAX_PENDING_WAIT, UNAVAILABLE};
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use loopd::tools::ToolPort;
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use proto::{Timestamp, ToolResponse};
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#[test]
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fn the_default_cap_is_a_day() {
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assert_eq!(MAX_PENDING_WAIT, Duration::from_secs(24 * 60 * 60));
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}
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#[test]
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fn a_pending_frame_with_the_largest_expiry_still_ends_at_the_cap() {
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let (socket, broker) = broker(|stream, request| {
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let pending = ToolResponse::PendingApproval {
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approval: 7,
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expires: Timestamp::MAX,
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};
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send(stream, request.id, false, pending);
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thread::sleep(Duration::from_millis(1_500));
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});
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let lines = Arc::new(Mutex::new(Vec::new()));
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let sink = lines.clone();
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let port = BrokerPort::with_log(
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socket,
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Duration::from_millis(100),
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Box::new(move |line| sink.lock().unwrap().push(line.to_string())),
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)
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.with_pending_cap(Duration::from_millis(200));
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let started = Instant::now();
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let answer = port.call(&request(), &mut |_| {});
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let took = started.elapsed();
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assert_eq!(
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answer,
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ToolResponse::Failed {
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message: UNAVAILABLE.to_string()
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}
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);
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assert!(
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took >= Duration::from_millis(250),
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"cap plus timeout: {took:?}"
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);
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assert!(
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took < Duration::from_millis(1_200),
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"gave up late: {took:?}"
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);
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assert_eq!(lines.lock().unwrap().len(), 1);
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broker.join().unwrap();
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}
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