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 crate::settings_args::SettingsSourceArgs;
8use acp_utils::testing::{TestPeer, duplex_pair};
9use aether_auth::OAuthCredentialStorage;
10use aether_core::core::AgentHandle;
11use aether_core::events::{AgentMessage, UserMessage};
12use agent_client_protocol::schema::SessionId;
13use agent_client_protocol::{Agent, Client, ConnectionTo};
14use std::sync::Arc;
15use tempfile::TempDir;
16use tokio::sync::{mpsc, oneshot};
17use tokio::task::spawn_local;
18
19fn mock_oauth_store() -> Arc<dyn OAuthCredentialStorage> {
20    Arc::new(aether_auth::FakeOAuthCredentialStore::new())
21}
22
23/// In-memory ACP harness running the real `acp_agent_builder` against a
24/// pre-wired test client. Created via [`AcpTestHarness::start`] inside a
25/// `LocalSet`. The harness owns its own [`SessionRegistry`] and a
26/// temp-dir-backed [`SessionStore`] so tests can register fake-driven
27/// sessions without going through `new_session`.
28pub struct AcpTestHarness {
29    pub client_cx: ConnectionTo<Agent>,
30    pub peer: TestPeer,
31    agent_cx: ConnectionTo<Client>,
32    registry: Arc<SessionRegistry>,
33    session_store: Arc<SessionStore>,
34    _tmp: TempDir,
35}
36
37impl AcpTestHarness {
38    pub async fn start() -> Self {
39        let tmp = tempfile::tempdir().expect("tempdir for session store");
40        let registry = Arc::new(SessionRegistry::new());
41        let session_store = Arc::new(SessionStore::from_path(tmp.path().to_path_buf()));
42        let manager = Arc::new(SessionManager::new(SessionManagerConfig {
43            registry: registry.clone(),
44            session_store: session_store.clone(),
45            oauth_credential_store: mock_oauth_store(),
46            initial_selection: InitialSessionSelection::default(),
47            settings_source: SettingsSourceArgs::default(),
48        }));
49
50        let (peer, client_builder) = TestPeer::new();
51        let (agent_transport, client_transport) = duplex_pair();
52        let (agent_cx_tx, agent_cx_rx) = oneshot::channel::<ConnectionTo<Client>>();
53        let (client_cx_tx, client_cx_rx) = oneshot::channel::<ConnectionTo<Agent>>();
54
55        spawn_local(async move {
56            let _ = acp_agent_builder(manager)
57                .connect_with(agent_transport, async move |cx: ConnectionTo<Client>| {
58                    let _ = agent_cx_tx.send(cx);
59                    std::future::pending::<()>().await;
60                    Ok(())
61                })
62                .await;
63        });
64
65        spawn_local(async move {
66            let _ = client_builder
67                .connect_with(client_transport, async move |cx: ConnectionTo<Agent>| {
68                    let _ = client_cx_tx.send(cx);
69                    std::future::pending::<()>().await;
70                    Ok(())
71                })
72                .await;
73        });
74
75        let agent_cx = agent_cx_rx.await.expect("agent side connect_with produced a ConnectionTo");
76        let client_cx = client_cx_rx.await.expect("client side connect_with produced a ConnectionTo");
77        Self { client_cx, peer, agent_cx, registry, session_store, _tmp: tmp }
78    }
79
80    /// Register a stub session built from a hand-spawned
81    /// `(agent_tx, agent_rx, agent_handle)` triple — typically from
82    /// `aether_core::core::agent(fake_llm).spawn().await`. MCP channels are
83    /// stubbed: no servers, no events. The session is routable via
84    /// `mgr.prompt(id)` / `mgr.cancel(id)`.
85    pub async fn insert_stub_session(
86        &self,
87        agent_tx: mpsc::Sender<UserMessage>,
88        agent_rx: mpsc::Receiver<AgentMessage>,
89        agent_handle: AgentHandle,
90        id: SessionId,
91        model: &str,
92    ) {
93        let (mcp_tx, _mcp_rx) = mpsc::channel(1);
94        let (_event_tx, event_rx) = mpsc::channel(1);
95        let session = Session {
96            agent_tx,
97            agent_rx,
98            agent_handle,
99            _mcp_handle: tokio::spawn(async {}),
100            mcp_tx,
101            event_rx,
102            initial_server_statuses: vec![],
103        };
104        let relay =
105            spawn_relay(session, self.agent_cx.clone(), id.clone(), self.session_store.clone(), mock_oauth_store());
106        self.registry.insert(id.0.to_string(), relay, model.to_string(), None, None, vec![]).await;
107    }
108}
aether_cli/acp/testing.rs

aether_cli/acp/
testing.rs
