maestro/crates/maestro-daemon/tests/autoname.rs

//! Naming a session after its first prompt (#131): what the daemon lets a
//! naming run change, and what it protects. The naming run itself (`claude -p`)
//! is not invoked here — these cover the claim/apply rules around it.
#![cfg(feature = "haiku-autoname")]

mod common;

use std::sync::Arc;

use common::TmuxFixture;
use maestro_daemon::sidecar::SidecarStore;
use maestro_daemon::worktree::WorktreeManager;
use maestro_daemon::SessionManager;
use maestro_protocol::{display, CatalogEvent, CreateSessionRequest, NameSource};
use tempfile::TempDir;
use uuid::Uuid;

struct Fixture {
    manager: SessionManager,
    sidecar: SidecarStore,
    _tmux: TmuxFixture,
    _state_dir: TempDir,
}

fn fixture() -> Fixture {
    let tmux = TmuxFixture::new();
    let state_dir = TempDir::new().unwrap();
    let sidecar = SidecarStore::new(state_dir.path().join("sessions"));
    let manager = SessionManager::new(
        Arc::new(tmux.tmux.clone()),
        sidecar.clone(),
        WorktreeManager::new(None),
        state_dir.path().join("fifos"),
    );
    Fixture {
        manager,
        sidecar,
        _tmux: tmux,
        _state_dir: state_dir,
    }
}

async fn spawn(manager: &SessionManager, name: Option<&str>) -> Uuid {
    let metadata = match name {
        Some(n) => std::collections::HashMap::from([(
            "name".to_string(),
            serde_json::Value::String(n.to_string()),
        )]),
        None => Default::default(),
    };
    manager
        .create(CreateSessionRequest {
            view: Default::default(),
            cwd: "/tmp".into(),
            command: "sleep 60".into(),
            env: Default::default(),
            metadata,
            worktree: None,
        })
        .await
        .unwrap()
        .id
}

async fn name_of(manager: &SessionManager, id: Uuid) -> Option<String> {
    let snapshot = manager.snapshot().await;
    let s = snapshot.into_iter().find(|s| s.id == id)?;
    s.metadata
        .get("name")
        .and_then(|v| v.as_str())
        .map(str::to_string)
}

#[tokio::test]
async fn a_prompt_for_an_unknown_session_is_not_found() {
    let fx = fixture();
    let err = fx.manager.claim_autoname(Uuid::new_v4()).await.unwrap_err();
    assert!(matches!(err, maestro_daemon::SessionError::NotFound(_)));
}

/// The first prompt claims the session's one naming attempt; a second finds
/// it taken, so two prompts in a row cannot start two runs.
#[tokio::test]
async fn only_the_first_prompt_claims_the_naming_attempt() {
    let fx = fixture();
    let id = spawn(&fx.manager, None).await;

    assert!(fx.manager.claim_autoname(id).await.unwrap());
    assert!(!fx.manager.claim_autoname(id).await.unwrap());
}

/// A name a person chose is never claimed, so the naming run never starts for
/// it in the first place.
#[tokio::test]
async fn a_user_named_session_is_never_claimed() {
    let fx = fixture();
    let id = spawn(&fx.manager, Some("amber-falcon")).await;

    assert!(!fx.manager.claim_autoname(id).await.unwrap());
    fx.manager.apply_autoname(id, "haiku-name").await.unwrap();
    assert_eq!(
        name_of(&fx.manager, id).await.as_deref(),
        Some("amber-falcon"),
        "a chosen name survives a naming run that reports late"
    );
}

/// The generated handle is replaced, the session settles at `Haiku`, and the
/// new name reaches memory, disk and the event stream (#131).
#[tokio::test]
async fn a_generated_handle_is_replaced_and_settles() {
    let fx = fixture();
    let id = spawn(&fx.manager, None).await;
    let mut events = fx.manager.events();
    fx.manager.claim_autoname(id).await.unwrap();

    fx.manager
        .apply_autoname(id, "sidebar activity rail")
        .await
        .unwrap();

    assert_eq!(
        name_of(&fx.manager, id).await.as_deref(),
        Some("sidebar activity rail")
    );
    let persisted = fx.sidecar.read(id).unwrap().unwrap();
    assert_eq!(display::name_source(&persisted), NameSource::Haiku);
    assert!(!display::is_provisional_name(&persisted));

    let event = tokio::time::timeout(std::time::Duration::from_secs(5), events.recv())
        .await
        .expect("an update within the timeout")
        .expect("the event channel stays open");
    match event {
        CatalogEvent::SessionUpdated { session } => {
            assert_eq!(session.id, id);
            assert_eq!(display::name_source(&session), NameSource::Haiku);
        }
        other => panic!("expected SessionUpdated, got {other:?}"),
    }
}

/// A rename that lands while the naming run is out wins: the run's answer is
/// dropped rather than overwriting what the person just typed (#131).
#[tokio::test]
async fn a_rename_during_the_run_beats_the_naming_result() {
    let fx = fixture();
    let id = spawn(&fx.manager, None).await;
    fx.manager.claim_autoname(id).await.unwrap();

    fx.manager.rename(id, "crimson-otter").await.unwrap();
    fx.manager.apply_autoname(id, "haiku-name").await.unwrap();

    assert_eq!(
        name_of(&fx.manager, id).await.as_deref(),
        Some("crimson-otter")
    );
}

/// A naming run that produced nothing usable leaves the handle alone.
#[tokio::test]
async fn a_blank_name_changes_nothing() {
    let fx = fixture();
    let id = spawn(&fx.manager, None).await;
    let before = name_of(&fx.manager, id).await;

    fx.manager.apply_autoname(id, "   ").await.unwrap();

    assert_eq!(name_of(&fx.manager, id).await, before);
    let live = fx.sidecar.read(id).unwrap().unwrap();
    assert_eq!(display::name_source(&live), NameSource::Generated);
}