aether_cli/acp/
testing.rs

1use super::handlers::acp_agent_builder;
2use super::relay::spawn_relay;
3use super::session::Session;
4use super::session_manager::{InitialSessionSelection, SessionManager, SessionManagerConfig};
5use super::session_registry::SessionRegistry;
6use super::session_store::SessionStore;
7use acp_utils::testing::{TestPeer, duplex_pair};
8use aether_core::core::AgentHandle;
9use aether_core::events::{AgentMessage, UserMessage};
10use agent_client_protocol::schema::SessionId;
11use agent_client_protocol::{Agent, Client, ConnectionTo};
12use llm::oauth::OAuthCredentialStore;
13use std::sync::Arc;
14use tempfile::TempDir;
15use tokio::sync::{mpsc, oneshot};
16use tokio::task::spawn_local;
17
18/// In-memory ACP harness running the real `acp_agent_builder` against a
19/// pre-wired test client. Created via [`AcpTestHarness::start`] inside a
20/// `LocalSet`. The harness owns its own [`SessionRegistry`] and a
21/// temp-dir-backed [`SessionStore`] so tests can register fake-driven
22/// sessions without going through `new_session`.
23pub struct AcpTestHarness {
24    pub client_cx: ConnectionTo<Agent>,
25    pub peer: TestPeer,
26    agent_cx: ConnectionTo<Client>,
27    registry: Arc<SessionRegistry>,
28    session_store: Arc<SessionStore>,
29    _tmp: TempDir,
30}
31
32impl AcpTestHarness {
33    pub async fn start() -> Self {
34        let tmp = tempfile::tempdir().expect("tempdir for session store");
35        let registry = Arc::new(SessionRegistry::new());
36        let session_store = Arc::new(SessionStore::from_path(tmp.path().to_path_buf()));
37        let manager = Arc::new(SessionManager::new(SessionManagerConfig {
38            registry: registry.clone(),
39            session_store: session_store.clone(),
40            has_oauth_credential: OAuthCredentialStore::has_credential,
41            initial_selection: InitialSessionSelection::default(),
42        }));
43
44        let (peer, client_builder) = TestPeer::new();
45        let (agent_transport, client_transport) = duplex_pair();
46        let (agent_cx_tx, agent_cx_rx) = oneshot::channel::<ConnectionTo<Client>>();
47        let (client_cx_tx, client_cx_rx) = oneshot::channel::<ConnectionTo<Agent>>();
48
49        spawn_local(async move {
50            let _ = acp_agent_builder(manager)
51                .connect_with(agent_transport, async move |cx: ConnectionTo<Client>| {
52                    let _ = agent_cx_tx.send(cx);
53                    std::future::pending::<()>().await;
54                    Ok(())
55                })
56                .await;
57        });
58
59        spawn_local(async move {
60            let _ = client_builder
61                .connect_with(client_transport, async move |cx: ConnectionTo<Agent>| {
62                    let _ = client_cx_tx.send(cx);
63                    std::future::pending::<()>().await;
64                    Ok(())
65                })
66                .await;
67        });
68
69        let agent_cx = agent_cx_rx.await.expect("agent side connect_with produced a ConnectionTo");
70        let client_cx = client_cx_rx.await.expect("client side connect_with produced a ConnectionTo");
71        Self { client_cx, peer, agent_cx, registry, session_store, _tmp: tmp }
72    }
73
74    /// Register a stub session built from a hand-spawned
75    /// `(agent_tx, agent_rx, agent_handle)` triple — typically from
76    /// `aether_core::core::agent(fake_llm).spawn().await`. MCP channels are
77    /// stubbed: no servers, no events. The session is routable via
78    /// `mgr.prompt(id)` / `mgr.cancel(id)`.
79    pub async fn insert_stub_session(
80        &self,
81        agent_tx: mpsc::Sender<UserMessage>,
82        agent_rx: mpsc::Receiver<AgentMessage>,
83        agent_handle: AgentHandle,
84        id: SessionId,
85        model: &str,
86    ) {
87        let (mcp_tx, _mcp_rx) = mpsc::channel(1);
88        let (_event_tx, event_rx) = mpsc::channel(1);
89        let session = Session {
90            agent_tx,
91            agent_rx,
92            agent_handle,
93            _mcp_handle: tokio::spawn(async {}),
94            mcp_tx,
95            event_rx,
96            initial_server_statuses: vec![],
97        };
98        let relay = spawn_relay(session, self.agent_cx.clone(), id.clone(), self.session_store.clone());
99        self.registry.insert(id.0.to_string(), relay, model.to_string(), None, None, vec![]).await;
100    }
101}
aether_cli/acp/testing.rs

aether_cli/acp/
testing.rs
