File size: 8,608 Bytes
afa0cbf
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
use std::sync::Arc;
use std::sync::Mutex;
use std::sync::atomic::AtomicBool;
use std::sync::atomic::Ordering;
use std::time::Duration;

use codex_code_mode_protocol::CellId;
use codex_code_mode_protocol::CodeModeNestedToolCall;
use codex_code_mode_protocol::CodeModeSessionDelegate;
use codex_code_mode_protocol::CodeModeToolKind;
use codex_code_mode_protocol::FunctionCallOutputContentItem;
use codex_code_mode_protocol::NotificationFuture;
use codex_code_mode_protocol::RuntimeResponse;
use codex_code_mode_protocol::StartedCell;
use codex_code_mode_protocol::ToolInvocationFuture;
use codex_code_mode_protocol::WaitOutcome;
use codex_protocol::ToolName;
use pretty_assertions::assert_eq;
use serde_json::json;
use tokio::sync::oneshot;
use tokio_util::sync::CancellationToken;

use super::GenerationDelegate;
use super::public_cell_id;
use super::public_started_cell;
use super::public_wait_outcome;
use super::remote_cell_id;

#[derive(Default)]
struct RecordingDelegate {
    calls: Mutex<Vec<CodeModeNestedToolCall>>,
    notifications: Mutex<Vec<(String, CellId, String)>>,
    closed: Mutex<Vec<CellId>>,
}

impl CodeModeSessionDelegate for RecordingDelegate {
    fn invoke_tool<'a>(
        &'a self,
        invocation: CodeModeNestedToolCall,
        _cancellation_token: CancellationToken,
    ) -> ToolInvocationFuture<'a> {
        self.calls.lock().expect("calls lock").push(invocation);
        Box::pin(async { Ok(json!({ "ok": true })) })
    }

    fn notify<'a>(
        &'a self,
        call_id: String,
        cell_id: CellId,
        text: String,
        _cancellation_token: CancellationToken,
    ) -> NotificationFuture<'a> {
        self.notifications
            .lock()
            .expect("notifications lock")
            .push((call_id, cell_id, text));
        Box::pin(async { Ok(()) })
    }

    fn cell_closed(&self, cell_id: &CellId) {
        self.closed
            .lock()
            .expect("closed cells lock")
            .push(cell_id.clone());
    }
}

#[test]
fn first_generation_preserves_existing_cell_ids() {
    let cell_id = CellId::new("42".to_string());

    assert_eq!(public_cell_id(/*generation*/ 1, &cell_id), cell_id);
    assert_eq!(remote_cell_id(/*generation*/ 1, &cell_id), Ok(cell_id));
}

#[test]
fn first_generation_preserves_opaque_cell_ids_that_resemble_generation_prefixes() {
    for value in ["graphics:1", "g2:42"] {
        let cell_id = CellId::new(value.to_string());

        assert_eq!(public_cell_id(/*generation*/ 1, &cell_id), cell_id);
        assert_eq!(remote_cell_id(/*generation*/ 1, &cell_id), Ok(cell_id));
    }
}

#[test]
fn later_generations_prefix_public_ids_and_strip_wire_ids() {
    let wire_id = CellId::new("42".to_string());
    let public_id = CellId::new("g2:42".to_string());

    assert_eq!(public_cell_id(/*generation*/ 2, &wire_id), public_id);
    assert_eq!(remote_cell_id(/*generation*/ 2, &public_id), Ok(wire_id));
}

#[test]
fn stale_generation_ids_are_rejected_after_reconnection() {
    for cell_id in [
        "42".to_string(),
        "g1:42".to_string(),
        "g3:42".to_string(),
        "x".repeat(10_000),
    ] {
        assert_eq!(
            remote_cell_id(/*generation*/ 2, &CellId::new(cell_id)),
            Err("cell belongs to a stale code-mode host generation".to_string())
        );
    }
}

#[tokio::test]
async fn reconnect_maps_every_delegate_callback_to_its_generation() {
    let recording = Arc::new(RecordingDelegate::default());
    let delegate = GenerationDelegate {
        delegate: recording.clone(),
        generation: 2,
    };
    let wire_id = CellId::new("42".to_string());
    let public_id = CellId::new("g2:42".to_string());
    let invocation = CodeModeNestedToolCall {
        cell_id: wire_id.clone(),
        runtime_tool_call_id: "runtime-call".to_string(),
        tool_name: ToolName::plain("echo"),
        tool_kind: CodeModeToolKind::Function,
        input: Some(json!({ "value": true })),
    };

    assert_eq!(
        delegate
            .invoke_tool(invocation.clone(), CancellationToken::new())
            .await,
        Ok(json!({ "ok": true }))
    );
    assert_eq!(
        delegate
            .notify(
                "outer-call".to_string(),
                wire_id.clone(),
                "notice".to_string(),
                CancellationToken::new(),
            )
            .await,
        Ok(())
    );
    delegate.cell_closed(&wire_id);

    assert_eq!(
        *recording.calls.lock().expect("calls lock"),
        vec![CodeModeNestedToolCall {
            cell_id: public_id.clone(),
            ..invocation
        }]
    );
    assert_eq!(
        *recording.notifications.lock().expect("notifications lock"),
        vec![(
            "outer-call".to_string(),
            public_id.clone(),
            "notice".to_string()
        )]
    );
    assert_eq!(
        *recording.closed.lock().expect("closed cells lock"),
        vec![public_id]
    );
}

#[tokio::test]
async fn reconnected_execution_maps_started_and_initial_response_ids() {
    let (response_tx, response_rx) = oneshot::channel();
    let wire_id = CellId::new("42".to_string());
    let public_id = CellId::new("g2:42".to_string());
    let claimed = Arc::new(AtomicBool::new(false));
    let initial_response_claimed = Arc::clone(&claimed);
    let response = RuntimeResponse::Result {
        code_mode_host_duration: None,
        cell_id: wire_id.clone(),
        content_items: vec![FunctionCallOutputContentItem::InputText {
            text: "result".to_string(),
        }],
        error_text: None,
    };
    let started = StartedCell::from_future(wire_id, async move {
        initial_response_claimed.store(true, Ordering::Release);
        response_rx.await.expect("receive initial response")
    });
    let started = public_started_cell(/*generation*/ 2, started);

    assert_eq!(started.cell_id, public_id);
    tokio::task::yield_now().await;
    assert!(!claimed.load(Ordering::Acquire));
    response_tx
        .send(Ok(response))
        .expect("send initial response");
    assert_eq!(
        started.initial_response().await,
        Ok(RuntimeResponse::Result {
            code_mode_host_duration: None,
            cell_id: public_id,
            content_items: vec![FunctionCallOutputContentItem::InputText {
                text: "result".to_string(),
            }],
            error_text: None,
        })
    );
}

#[test]
fn reconnected_wait_maps_live_and_missing_outcomes() {
    let public_id = CellId::new("g2:42".to_string());
    let yielded = RuntimeResponse::Yielded {
        code_mode_host_duration: None,
        cell_id: CellId::new("42".to_string()),
        content_items: Vec::new(),
    };
    let terminated = RuntimeResponse::Terminated {
        code_mode_host_duration: None,
        cell_id: CellId::new("42".to_string()),
        content_items: Vec::new(),
    };

    assert_eq!(
        public_wait_outcome(/*generation*/ 2, WaitOutcome::LiveCell(yielded)),
        WaitOutcome::LiveCell(RuntimeResponse::Yielded {
            code_mode_host_duration: None,
            cell_id: public_id.clone(),
            content_items: Vec::new(),
        })
    );
    assert_eq!(
        public_wait_outcome(/*generation*/ 2, WaitOutcome::MissingCell(terminated)),
        WaitOutcome::MissingCell(RuntimeResponse::Terminated {
            code_mode_host_duration: None,
            cell_id: public_id,
            content_items: Vec::new(),
        })
    );
}

/// Replacing a host generation changes public cell IDs without losing the
/// operation's original duration on either the exec or wait path.
#[tokio::test]
async fn cell_id_remapping_preserves_code_mode_host_duration() {
    let cell_id = CellId::new("42".to_string());
    let code_mode_host_duration = Some(Duration::from_nanos(/*nanos*/ 1_234_567));
    let response = RuntimeResponse::Yielded {
        cell_id: cell_id.clone(),
        content_items: Vec::new(),
        code_mode_host_duration,
    };
    let initial = response.clone();
    let started = StartedCell::from_future(cell_id, async move { Ok(initial) });
    let expected = RuntimeResponse::Yielded {
        cell_id: CellId::new("g2:42".to_string()),
        content_items: Vec::new(),
        code_mode_host_duration,
    };
    assert_eq!(
        public_started_cell(/*generation*/ 2, started)
            .initial_response()
            .await
            .as_ref(),
        Ok(&expected),
    );
    assert_eq!(
        public_wait_outcome(/*generation*/ 2, WaitOutcome::LiveCell(response)),
        WaitOutcome::LiveCell(expected),
    );
}