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

aether_cli/acp/
testing.rs
