ocpncord-backend 0.4.2

no_std Backend trait and event types for ocpncord clients.
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
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
use crate::*;
use alloc::string::String;
use alloc::vec::Vec;
use core::pin::Pin;
use core::task::{Context, Poll};
use futures_core::Stream;

#[derive(Debug, Clone, PartialEq, Eq)]
pub struct MockSubmissionCall {
    pub session_id: String,
    pub text: String,
    pub agent: Option<String>,
}

/// A mock backend for testing TUI code without a real server.
pub struct MockBackend {
    pub sessions: Vec<Session>,
    pub messages: Vec<MessageSummary>,
    pub message_detail: Option<MessageDetail>,
    pub health_status: Option<Health>,
    pub server_connection: ServerConnection,
    pub set_server_url_calls: Vec<String>,
    pub set_server_connection_calls: Vec<ServerConnection>,
    pub test_server_connection_calls: Vec<ServerConnection>,
    pub config_info: Option<Config>,
    pub models: Option<Vec<ModelSummary>>,
    pub list_models_calls: usize,
    pub agents: Vec<Agent>,
    pub prompt_receipt: Option<SubmissionReceipt>,
    pub command_receipt: Option<SubmissionReceipt>,
    pub live_events: Vec<Result<EventEnvelope>>,
    pub live_event_stream_pending_polls: usize,
    pub sync_history_batch: SyncHistoryBatch,
    pub sync_history_error: Option<BackendError>,
    pub sync_history_requests: Vec<SyncHistoryRequest>,
    pub text_matches: Vec<TextMatch>,
    pub prompt_calls: Vec<MockSubmissionCall>,
    pub command_calls: Vec<MockSubmissionCall>,
    pub find_text_calls: Vec<String>,
    pub fail_create_session: Option<BackendError>,
    pub permission_replies: Vec<PermissionReply>,
    pub question_replies: Vec<QuestionReply>,
    pub rejected_questions: Vec<String>,
}

impl Default for MockBackend {
    fn default() -> Self {
        Self {
            sessions: Vec::new(),
            messages: Vec::new(),
            message_detail: None,
            health_status: Some(Health {
                healthy: true,
                version: "mock".into(),
            }),
            server_connection: ServerConnection::unauthenticated("http://localhost:4096"),
            set_server_url_calls: Vec::new(),
            set_server_connection_calls: Vec::new(),
            test_server_connection_calls: Vec::new(),
            config_info: Some(Config {
                model: Some("mock/model".into()),
                username: Some("mock-user".into()),
                provider: Default::default(),
                agent: Default::default(),
            }),
            models: None,
            list_models_calls: 0,
            agents: Vec::new(),
            prompt_receipt: None,
            command_receipt: None,
            live_events: Vec::new(),
            live_event_stream_pending_polls: 0,
            sync_history_batch: SyncHistoryBatch::default(),
            sync_history_error: None,
            sync_history_requests: Vec::new(),
            text_matches: Vec::new(),
            prompt_calls: Vec::new(),
            command_calls: Vec::new(),
            find_text_calls: Vec::new(),
            fail_create_session: None,
            permission_replies: Vec::new(),
            question_replies: Vec::new(),
            rejected_questions: Vec::new(),
        }
    }
}

fn default_prompt_submission_receipt(
    session_id: &SessionId,
    agent: Option<&str>,
) -> SubmissionReceipt {
    SubmissionReceipt::Accepted {
        session_id: session_id.clone(),
        agent: agent.map(|value| value.into()),
    }
}

fn default_command_submission_receipt(
    session_id: &SessionId,
    agent: Option<&str>,
) -> SubmissionReceipt {
    SubmissionReceipt::Created(CreatedSubmissionReceipt {
        info: AssistantMessage {
            id: "mock-message-id".into(),
            session_id: session_id.clone(),
            role: MessageRole::Assistant,
            time: MessageTime {
                created: 0,
                completed: None,
            },
            error: None,
            parent_id: None,
            model_id: "mock/model".into(),
            provider_id: "mock".into(),
            mode: "default".into(),
            agent: agent.unwrap_or("mock-agent").into(),
            path: None,
            summary: None,
            cost: 0.0,
            tokens: None,
            structured: None,
            variant: None,
            finish: None,
        },
        parts: Vec::new(),
    })
}

fn normalize_mock_connection(mut connection: ServerConnection) -> ServerConnection {
    connection.url = connection.url.trim_end_matches('/').into();
    connection
}

impl Backend for MockBackend {
    type EventStream = MockStream;

    fn server_connection(&self) -> Option<ServerConnection> {
        Some(self.server_connection.clone())
    }

    async fn test_server_connection(&mut self, connection: &ServerConnection) -> Result<Health> {
        self.test_server_connection_calls
            .push(normalize_mock_connection(connection.clone()));
        self.health().await.map_err(|_| BackendError::Connection {
            message: "server test failed".into(),
        })
    }

    async fn set_server_connection(&mut self, connection: ServerConnection) -> Result<()> {
        self.health().await?;
        self.server_connection = normalize_mock_connection(connection);
        self.set_server_url_calls
            .push(self.server_connection.url.clone());
        self.set_server_connection_calls
            .push(self.server_connection.clone());
        Ok(())
    }

    async fn health(&mut self) -> Result<Health> {
        self.health_status.clone().ok_or(BackendError::Connection {
            message: "no health stub".into(),
        })
    }

    async fn list_agents(&mut self) -> Result<Vec<Agent>> {
        Ok(self.agents.clone())
    }

    async fn list_sessions(&mut self) -> Result<Vec<Session>> {
        Ok(self.sessions.clone())
    }

    async fn get_session(&mut self, _id: &SessionId) -> Result<Session> {
        self.sessions.first().cloned().ok_or(BackendError::Api {
            status: 404,
            message: "not found".into(),
        })
    }

    async fn create_session(&mut self, title: &str, session_directory: &str) -> Result<Session> {
        if let Some(err) = self.fail_create_session.take() {
            return Err(err);
        }
        let session = Session {
            id: "mock-session-id".into(),
            title: title.into(),
            project_id: "mock-project".into(),
            directory: session_directory.into(),
            path: None,
            parent_id: None,
            time: SessionTime {
                created: 0,
                updated: 0,
                compacting: None,
                archived: None,
            },
            slug: String::new(),
            version: String::new(),
            workspace_id: None,
            summary: None,
            cost: None,
            tokens: None,
            share: None,
            agent: None,
            model: None,
            permission: None,
            revert: None,
        };
        self.sessions.push(session.clone());
        Ok(session)
    }

    async fn delete_session(&mut self, _id: &SessionId) -> Result<()> {
        Ok(())
    }

    async fn update_session(&mut self, id: &SessionId, title: &str) -> Result<Session> {
        Ok(Session {
            id: id.clone(),
            title: title.into(),
            project_id: "mock-project".into(),
            directory: "/mock".into(),
            path: None,
            parent_id: None,
            time: SessionTime {
                created: 0,
                updated: 0,
                compacting: None,
                archived: None,
            },
            slug: String::new(),
            version: String::new(),
            workspace_id: None,
            summary: None,
            cost: None,
            tokens: None,
            share: None,
            agent: None,
            model: None,
            permission: None,
            revert: None,
        })
    }

    async fn children_sessions(&mut self, _id: &SessionId) -> Result<Vec<Session>> {
        Ok(Vec::new())
    }

    async fn abort_session(&mut self, _id: &SessionId) -> Result<()> {
        Ok(())
    }

    async fn list_messages(&mut self, _id: &SessionId) -> Result<Vec<MessageSummary>> {
        Ok(self.messages.clone())
    }

    async fn get_message(
        &mut self,
        _session_id: &SessionId,
        _message_id: &MessageId,
    ) -> Result<MessageDetail> {
        self.message_detail.clone().ok_or(BackendError::Api {
            status: 404,
            message: "not found".into(),
        })
    }

    async fn submit_prompt(
        &mut self,
        id: &SessionId,
        text: &str,
        agent: Option<&str>,
    ) -> Result<SubmissionReceipt> {
        self.prompt_calls.push(MockSubmissionCall {
            session_id: id.clone(),
            text: text.into(),
            agent: agent.map(|value| value.into()),
        });
        Ok(self
            .prompt_receipt
            .clone()
            .unwrap_or_else(|| default_prompt_submission_receipt(id, agent)))
    }

    async fn submit_command(
        &mut self,
        id: &SessionId,
        text: &str,
        agent: Option<&str>,
    ) -> Result<SubmissionReceipt> {
        self.command_calls.push(MockSubmissionCall {
            session_id: id.clone(),
            text: text.into(),
            agent: agent.map(|value| value.into()),
        });
        Ok(self
            .command_receipt
            .clone()
            .unwrap_or_else(|| default_command_submission_receipt(id, agent)))
    }

    async fn reply_permission(&mut self, reply: &PermissionReply) -> Result<()> {
        self.permission_replies.push(reply.clone());
        Ok(())
    }

    async fn reply_question(&mut self, reply: &QuestionReply) -> Result<()> {
        self.question_replies.push(reply.clone());
        Ok(())
    }

    async fn reject_question(&mut self, request_id: &str) -> Result<()> {
        self.rejected_questions.push(request_id.into());
        Ok(())
    }

    async fn find_text(&mut self, pattern: &str) -> Result<Vec<TextMatch>> {
        self.find_text_calls.push(pattern.into());
        Ok(self.text_matches.clone())
    }

    async fn subscribe_live(&mut self) -> Result<Self::EventStream> {
        let events = core::mem::take(&mut self.live_events);
        Ok(MockStream {
            events,
            pos: 0,
            pending_polls: self.live_event_stream_pending_polls,
        })
    }

    async fn sync_history(&mut self, request: &SyncHistoryRequest) -> Result<SyncHistoryBatch> {
        self.sync_history_requests.push(request.clone());
        if let Some(error) = self.sync_history_error.take() {
            return Err(error);
        }
        Ok(self.sync_history_batch.clone())
    }

    async fn get_config(&mut self) -> Result<Config> {
        self.config_info.clone().ok_or(BackendError::Connection {
            message: "no config stub".into(),
        })
    }

    async fn list_models(&mut self) -> Result<Vec<ModelSummary>> {
        self.list_models_calls += 1;
        self.models.clone().ok_or(BackendError::Connection {
            message: "no model catalog stub".into(),
        })
    }

    async fn set_auth(&mut self, _provider: &str, _api_key: &str) -> Result<()> {
        Ok(())
    }

    async fn set_config(&mut self, config: &Config) -> Result<Config> {
        if self.config_info.is_none() {
            return Err(BackendError::Connection {
                message: "no config stub".into(),
            });
        }
        self.config_info = Some(config.clone());
        Ok(config.clone())
    }

    async fn dispose(&mut self) -> Result<()> {
        Ok(())
    }

    async fn upgrade(&mut self) -> Result<()> {
        Ok(())
    }

    async fn log(&mut self, _level: &str, _message: &str) -> Result<()> {
        Ok(())
    }

    async fn remove_auth(&mut self, _provider: &str) -> Result<()> {
        Ok(())
    }
}

pub struct MockStream {
    events: Vec<Result<EventEnvelope>>,
    pos: usize,
    pending_polls: usize,
}

impl Stream for MockStream {
    type Item = Result<EventEnvelope>;

    fn poll_next(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Option<Self::Item>> {
        if self.pending_polls > 0 {
            self.pending_polls -= 1;
            cx.waker().wake_by_ref();
            return Poll::Pending;
        }

        if self.pos < self.events.len() {
            // Can't take from a Vec, clone instead
            let item = match &self.events[self.pos] {
                Ok(e) => Ok(e.clone()),
                Err(e) => Err(e.clone()),
            };
            self.pos += 1;
            Poll::Ready(Some(item))
        } else {
            Poll::Ready(None)
        }
    }
}