1use crate::{
2 rpc::{CLEANUP_TIMEOUT, RECONNECT_TIMEOUT},
3 tests::{TestServer, test_server::open_channel_notes},
4};
5use call::ActiveCall;
6use channel::ACKNOWLEDGE_DEBOUNCE_INTERVAL;
7use client::{Collaborator, ParticipantIndex, UserId};
8use collab_ui::channel_view::ChannelView;
9use collections::HashMap;
10use editor::{Anchor, Editor, ToOffset};
11use futures::future;
12use gpui::{BackgroundExecutor, Context, Entity, TestAppContext, Window};
13use rpc::{RECEIVE_TIMEOUT, proto::PeerId};
14use serde_json::json;
15use std::ops::Range;
16use util::rel_path::rel_path;
17use workspace::CollaboratorId;
18
19#[gpui::test]
20async fn test_core_channel_buffers(
21 executor: BackgroundExecutor,
22 cx_a: &mut TestAppContext,
23 cx_b: &mut TestAppContext,
24) {
25 let mut server = TestServer::start(executor.clone()).await;
26 let client_a = server.create_client(cx_a, "user_a").await;
27 let client_b = server.create_client(cx_b, "user_b").await;
28
29 let channel_id = server
30 .make_channel("zed", None, (&client_a, cx_a), &mut [(&client_b, cx_b)])
31 .await;
32
33 // Client A joins the channel buffer
34 let channel_buffer_a = client_a
35 .channel_store()
36 .update(cx_a, |store, cx| store.open_channel_buffer(channel_id, cx))
37 .await
38 .unwrap();
39
40 // Client A edits the buffer
41 let buffer_a = channel_buffer_a.read_with(cx_a, |buffer, _| buffer.buffer());
42 buffer_a.update(cx_a, |buffer, cx| {
43 buffer.edit([(0..0, "hello world")], None, cx)
44 });
45 buffer_a.update(cx_a, |buffer, cx| {
46 buffer.edit([(5..5, ", cruel")], None, cx)
47 });
48 buffer_a.update(cx_a, |buffer, cx| {
49 buffer.edit([(0..5, "goodbye")], None, cx)
50 });
51 buffer_a.update(cx_a, |buffer, cx| buffer.undo(cx));
52 assert_eq!(buffer_text(&buffer_a, cx_a), "hello, cruel world");
53 executor.run_until_parked();
54
55 // Client B joins the channel buffer
56 let channel_buffer_b = client_b
57 .channel_store()
58 .update(cx_b, |store, cx| store.open_channel_buffer(channel_id, cx))
59 .await
60 .unwrap();
61 channel_buffer_b.read_with(cx_b, |buffer, _| {
62 assert_collaborators(
63 buffer.collaborators(),
64 &[client_a.user_id(), client_b.user_id()],
65 );
66 });
67
68 // Client B sees the correct text, and then edits it
69 let buffer_b = channel_buffer_b.read_with(cx_b, |buffer, _| buffer.buffer());
70 assert_eq!(
71 buffer_b.read_with(cx_b, |buffer, _| buffer.remote_id()),
72 buffer_a.read_with(cx_a, |buffer, _| buffer.remote_id())
73 );
74 assert_eq!(buffer_text(&buffer_b, cx_b), "hello, cruel world");
75 buffer_b.update(cx_b, |buffer, cx| {
76 buffer.edit([(7..12, "beautiful")], None, cx)
77 });
78
79 // Both A and B see the new edit
80 executor.run_until_parked();
81 assert_eq!(buffer_text(&buffer_a, cx_a), "hello, beautiful world");
82 assert_eq!(buffer_text(&buffer_b, cx_b), "hello, beautiful world");
83
84 // Client A closes the channel buffer.
85 cx_a.update(|_| drop(channel_buffer_a));
86 executor.run_until_parked();
87
88 // Client B sees that client A is gone from the channel buffer.
89 channel_buffer_b.read_with(cx_b, |buffer, _| {
90 assert_collaborators(buffer.collaborators(), &[client_b.user_id()]);
91 });
92
93 // Client A rejoins the channel buffer
94 let _channel_buffer_a = client_a
95 .channel_store()
96 .update(cx_a, |store, cx| store.open_channel_buffer(channel_id, cx))
97 .await
98 .unwrap();
99 executor.run_until_parked();
100
101 // Sanity test, make sure we saw A rejoining
102 channel_buffer_b.read_with(cx_b, |buffer, _| {
103 assert_collaborators(
104 buffer.collaborators(),
105 &[client_a.user_id(), client_b.user_id()],
106 );
107 });
108
109 // Client A loses connection.
110 server.forbid_connections();
111 server.disconnect_client(client_a.peer_id().unwrap());
112 executor.advance_clock(RECEIVE_TIMEOUT + RECONNECT_TIMEOUT);
113
114 // Client B observes A disconnect
115 channel_buffer_b.read_with(cx_b, |buffer, _| {
116 assert_collaborators(buffer.collaborators(), &[client_b.user_id()]);
117 });
118
119 // TODO:
120 // - Test synchronizing offline updates, what happens to A's channel buffer when A disconnects
121 // - Test interaction with channel deletion while buffer is open
122}
123
124#[gpui::test]
125async fn test_channel_notes_participant_indices(
126 executor: BackgroundExecutor,
127 cx_a: &mut TestAppContext,
128 cx_b: &mut TestAppContext,
129 cx_c: &mut TestAppContext,
130) {
131 let mut server = TestServer::start(executor.clone()).await;
132 let client_a = server.create_client(cx_a, "user_a").await;
133 let client_b = server.create_client(cx_b, "user_b").await;
134 let client_c = server.create_client(cx_c, "user_c").await;
135
136 let active_call_a = cx_a.read(ActiveCall::global);
137 let active_call_b = cx_b.read(ActiveCall::global);
138
139 cx_a.update(editor::init);
140 cx_b.update(editor::init);
141 cx_c.update(editor::init);
142
143 let channel_id = server
144 .make_channel(
145 "the-channel",
146 None,
147 (&client_a, cx_a),
148 &mut [(&client_b, cx_b), (&client_c, cx_c)],
149 )
150 .await;
151
152 client_a
153 .fs()
154 .insert_tree("/root", json!({"file.txt": "123"}))
155 .await;
156 let (project_a, worktree_id_a) = client_a.build_local_project("/root", cx_a).await;
157 let project_b = client_b.build_empty_local_project(cx_b);
158 let project_c = client_c.build_empty_local_project(cx_c);
159
160 let (workspace_a, mut cx_a) = client_a.build_workspace(&project_a, cx_a);
161 let (workspace_b, mut cx_b) = client_b.build_workspace(&project_b, cx_b);
162 let (workspace_c, cx_c) = client_c.build_workspace(&project_c, cx_c);
163
164 // Clients A, B, and C open the channel notes
165 let channel_view_a = cx_a
166 .update(|window, cx| ChannelView::open(channel_id, None, workspace_a.clone(), window, cx))
167 .await
168 .unwrap();
169 let channel_view_b = cx_b
170 .update(|window, cx| ChannelView::open(channel_id, None, workspace_b.clone(), window, cx))
171 .await
172 .unwrap();
173 let channel_view_c = cx_c
174 .update(|window, cx| ChannelView::open(channel_id, None, workspace_c.clone(), window, cx))
175 .await
176 .unwrap();
177
178 // Clients A, B, and C all insert and select some text
179 channel_view_a.update_in(cx_a, |notes, window, cx| {
180 notes.editor.update(cx, |editor, cx| {
181 editor.insert("a", window, cx);
182 editor.change_selections(Default::default(), window, cx, |selections| {
183 selections.select_ranges(vec![0..1]);
184 });
185 });
186 });
187 executor.run_until_parked();
188 channel_view_b.update_in(cx_b, |notes, window, cx| {
189 notes.editor.update(cx, |editor, cx| {
190 editor.move_down(&Default::default(), window, cx);
191 editor.insert("b", window, cx);
192 editor.change_selections(Default::default(), window, cx, |selections| {
193 selections.select_ranges(vec![1..2]);
194 });
195 });
196 });
197 executor.run_until_parked();
198 channel_view_c.update_in(cx_c, |notes, window, cx| {
199 notes.editor.update(cx, |editor, cx| {
200 editor.move_down(&Default::default(), window, cx);
201 editor.insert("c", window, cx);
202 editor.change_selections(Default::default(), window, cx, |selections| {
203 selections.select_ranges(vec![2..3]);
204 });
205 });
206 });
207
208 // Client A sees clients B and C without assigned colors, because they aren't
209 // in a call together.
210 executor.run_until_parked();
211 channel_view_a.update_in(cx_a, |notes, window, cx| {
212 notes.editor.update(cx, |editor, cx| {
213 assert_remote_selections(editor, &[(None, 1..2), (None, 2..3)], window, cx);
214 });
215 });
216
217 // Clients A and B join the same call.
218 for (call, cx) in [(&active_call_a, &mut cx_a), (&active_call_b, &mut cx_b)] {
219 call.update(*cx, |call, cx| call.join_channel(channel_id, cx))
220 .await
221 .unwrap();
222 }
223
224 // Clients A and B see each other with two different assigned colors. Client C
225 // still doesn't have a color.
226 executor.run_until_parked();
227 channel_view_a.update_in(cx_a, |notes, window, cx| {
228 notes.editor.update(cx, |editor, cx| {
229 assert_remote_selections(
230 editor,
231 &[(Some(ParticipantIndex(1)), 1..2), (None, 2..3)],
232 window,
233 cx,
234 );
235 });
236 });
237 channel_view_b.update_in(cx_b, |notes, window, cx| {
238 notes.editor.update(cx, |editor, cx| {
239 assert_remote_selections(
240 editor,
241 &[(Some(ParticipantIndex(0)), 0..1), (None, 2..3)],
242 window,
243 cx,
244 );
245 });
246 });
247
248 // Client A shares a project, and client B joins.
249 let project_id = active_call_a
250 .update(cx_a, |call, cx| call.share_project(project_a.clone(), cx))
251 .await
252 .unwrap();
253 let project_b = client_b.join_remote_project(project_id, cx_b).await;
254 let (workspace_b, cx_b) = client_b.build_workspace(&project_b, cx_b);
255
256 // Clients A and B open the same file.
257 executor.start_waiting();
258 let editor_a = workspace_a
259 .update_in(cx_a, |workspace, window, cx| {
260 workspace.open_path(
261 (worktree_id_a, rel_path("file.txt")),
262 None,
263 true,
264 window,
265 cx,
266 )
267 })
268 .await
269 .unwrap()
270 .downcast::<Editor>()
271 .unwrap();
272 executor.start_waiting();
273 let editor_b = workspace_b
274 .update_in(cx_b, |workspace, window, cx| {
275 workspace.open_path(
276 (worktree_id_a, rel_path("file.txt")),
277 None,
278 true,
279 window,
280 cx,
281 )
282 })
283 .await
284 .unwrap()
285 .downcast::<Editor>()
286 .unwrap();
287
288 editor_a.update_in(cx_a, |editor, window, cx| {
289 editor.change_selections(Default::default(), window, cx, |selections| {
290 selections.select_ranges(vec![0..1]);
291 });
292 });
293 editor_b.update_in(cx_b, |editor, window, cx| {
294 editor.change_selections(Default::default(), window, cx, |selections| {
295 selections.select_ranges(vec![2..3]);
296 });
297 });
298 executor.run_until_parked();
299
300 // Clients A and B see each other with the same colors as in the channel notes.
301 editor_a.update_in(cx_a, |editor, window, cx| {
302 assert_remote_selections(editor, &[(Some(ParticipantIndex(1)), 2..3)], window, cx);
303 });
304 editor_b.update_in(cx_b, |editor, window, cx| {
305 assert_remote_selections(editor, &[(Some(ParticipantIndex(0)), 0..1)], window, cx);
306 });
307}
308
309#[track_caller]
310fn assert_remote_selections(
311 editor: &mut Editor,
312 expected_selections: &[(Option<ParticipantIndex>, Range<usize>)],
313 window: &mut Window,
314 cx: &mut Context<Editor>,
315) {
316 let snapshot = editor.snapshot(window, cx);
317 let hub = editor.collaboration_hub().unwrap();
318 let collaborators = hub.collaborators(cx);
319 let range = Anchor::min()..Anchor::max();
320 let remote_selections = snapshot
321 .remote_selections_in_range(&range, hub, cx)
322 .map(|s| {
323 let CollaboratorId::PeerId(peer_id) = s.collaborator_id else {
324 panic!("unexpected collaborator id");
325 };
326 let start = s.selection.start.to_offset(&snapshot.buffer_snapshot);
327 let end = s.selection.end.to_offset(&snapshot.buffer_snapshot);
328 let user_id = collaborators.get(&peer_id).unwrap().user_id;
329 let participant_index = hub.user_participant_indices(cx).get(&user_id).copied();
330 (participant_index, start..end)
331 })
332 .collect::<Vec<_>>();
333 assert_eq!(
334 remote_selections, expected_selections,
335 "incorrect remote selections"
336 );
337}
338
339#[gpui::test]
340async fn test_multiple_handles_to_channel_buffer(
341 deterministic: BackgroundExecutor,
342 cx_a: &mut TestAppContext,
343) {
344 let mut server = TestServer::start(deterministic.clone()).await;
345 let client_a = server.create_client(cx_a, "user_a").await;
346
347 let channel_id = server
348 .make_channel("the-channel", None, (&client_a, cx_a), &mut [])
349 .await;
350
351 let channel_buffer_1 = client_a
352 .channel_store()
353 .update(cx_a, |store, cx| store.open_channel_buffer(channel_id, cx));
354 let channel_buffer_2 = client_a
355 .channel_store()
356 .update(cx_a, |store, cx| store.open_channel_buffer(channel_id, cx));
357 let channel_buffer_3 = client_a
358 .channel_store()
359 .update(cx_a, |store, cx| store.open_channel_buffer(channel_id, cx));
360
361 // All concurrent tasks for opening a channel buffer return the same model handle.
362 let (channel_buffer, channel_buffer_2, channel_buffer_3) =
363 future::try_join3(channel_buffer_1, channel_buffer_2, channel_buffer_3)
364 .await
365 .unwrap();
366 let channel_buffer_entity_id = channel_buffer.entity_id();
367 assert_eq!(channel_buffer, channel_buffer_2);
368 assert_eq!(channel_buffer, channel_buffer_3);
369
370 channel_buffer.update(cx_a, |buffer, cx| {
371 buffer.buffer().update(cx, |buffer, cx| {
372 buffer.edit([(0..0, "hello")], None, cx);
373 })
374 });
375 deterministic.run_until_parked();
376
377 cx_a.update(|_| {
378 drop(channel_buffer);
379 drop(channel_buffer_2);
380 drop(channel_buffer_3);
381 });
382 deterministic.run_until_parked();
383
384 // The channel buffer can be reopened after dropping it.
385 let channel_buffer = client_a
386 .channel_store()
387 .update(cx_a, |store, cx| store.open_channel_buffer(channel_id, cx))
388 .await
389 .unwrap();
390 assert_ne!(channel_buffer.entity_id(), channel_buffer_entity_id);
391 channel_buffer.update(cx_a, |buffer, cx| {
392 buffer.buffer().update(cx, |buffer, _| {
393 assert_eq!(buffer.text(), "hello");
394 })
395 });
396}
397
398#[gpui::test]
399async fn test_channel_buffer_disconnect(
400 deterministic: BackgroundExecutor,
401 cx_a: &mut TestAppContext,
402 cx_b: &mut TestAppContext,
403) {
404 let mut server = TestServer::start(deterministic.clone()).await;
405 let client_a = server.create_client(cx_a, "user_a").await;
406 let client_b = server.create_client(cx_b, "user_b").await;
407
408 let channel_id = server
409 .make_channel(
410 "the-channel",
411 None,
412 (&client_a, cx_a),
413 &mut [(&client_b, cx_b)],
414 )
415 .await;
416
417 let channel_buffer_a = client_a
418 .channel_store()
419 .update(cx_a, |store, cx| store.open_channel_buffer(channel_id, cx))
420 .await
421 .unwrap();
422
423 let channel_buffer_b = client_b
424 .channel_store()
425 .update(cx_b, |store, cx| store.open_channel_buffer(channel_id, cx))
426 .await
427 .unwrap();
428
429 server.forbid_connections();
430 server.disconnect_client(client_a.peer_id().unwrap());
431 deterministic.advance_clock(RECEIVE_TIMEOUT + RECONNECT_TIMEOUT);
432
433 channel_buffer_a.update(cx_a, |buffer, cx| {
434 assert_eq!(buffer.channel(cx).unwrap().name, "the-channel");
435 assert!(!buffer.is_connected());
436 });
437
438 deterministic.run_until_parked();
439
440 server.allow_connections();
441 deterministic.advance_clock(RECEIVE_TIMEOUT + RECONNECT_TIMEOUT);
442
443 deterministic.run_until_parked();
444
445 client_a
446 .channel_store()
447 .update(cx_a, |channel_store, _| {
448 channel_store.remove_channel(channel_id)
449 })
450 .await
451 .unwrap();
452 deterministic.run_until_parked();
453
454 // Channel buffer observed the deletion
455 channel_buffer_b.update(cx_b, |buffer, cx| {
456 assert!(buffer.channel(cx).is_none());
457 assert!(!buffer.is_connected());
458 });
459}
460
461#[gpui::test]
462async fn test_rejoin_channel_buffer(
463 deterministic: BackgroundExecutor,
464 cx_a: &mut TestAppContext,
465 cx_b: &mut TestAppContext,
466) {
467 let mut server = TestServer::start(deterministic.clone()).await;
468 let client_a = server.create_client(cx_a, "user_a").await;
469 let client_b = server.create_client(cx_b, "user_b").await;
470
471 let channel_id = server
472 .make_channel(
473 "the-channel",
474 None,
475 (&client_a, cx_a),
476 &mut [(&client_b, cx_b)],
477 )
478 .await;
479
480 let channel_buffer_a = client_a
481 .channel_store()
482 .update(cx_a, |store, cx| store.open_channel_buffer(channel_id, cx))
483 .await
484 .unwrap();
485 let channel_buffer_b = client_b
486 .channel_store()
487 .update(cx_b, |store, cx| store.open_channel_buffer(channel_id, cx))
488 .await
489 .unwrap();
490
491 channel_buffer_a.update(cx_a, |buffer, cx| {
492 buffer.buffer().update(cx, |buffer, cx| {
493 buffer.edit([(0..0, "1")], None, cx);
494 })
495 });
496 deterministic.run_until_parked();
497
498 // Client A disconnects.
499 server.forbid_connections();
500 server.disconnect_client(client_a.peer_id().unwrap());
501
502 // Both clients make an edit.
503 channel_buffer_a.update(cx_a, |buffer, cx| {
504 buffer.buffer().update(cx, |buffer, cx| {
505 buffer.edit([(1..1, "2")], None, cx);
506 })
507 });
508 channel_buffer_b.update(cx_b, |buffer, cx| {
509 buffer.buffer().update(cx, |buffer, cx| {
510 buffer.edit([(0..0, "0")], None, cx);
511 })
512 });
513
514 // Both clients see their own edit.
515 deterministic.run_until_parked();
516 channel_buffer_a.read_with(cx_a, |buffer, cx| {
517 assert_eq!(buffer.buffer().read(cx).text(), "12");
518 });
519 channel_buffer_b.read_with(cx_b, |buffer, cx| {
520 assert_eq!(buffer.buffer().read(cx).text(), "01");
521 });
522
523 // Client A reconnects. Both clients see each other's edits, and see
524 // the same collaborators.
525 server.allow_connections();
526 deterministic.advance_clock(RECEIVE_TIMEOUT);
527 channel_buffer_a.read_with(cx_a, |buffer, cx| {
528 assert_eq!(buffer.buffer().read(cx).text(), "012");
529 });
530 channel_buffer_b.read_with(cx_b, |buffer, cx| {
531 assert_eq!(buffer.buffer().read(cx).text(), "012");
532 });
533
534 channel_buffer_a.read_with(cx_a, |buffer_a, _| {
535 channel_buffer_b.read_with(cx_b, |buffer_b, _| {
536 assert_eq!(buffer_a.collaborators(), buffer_b.collaborators());
537 });
538 });
539}
540
541#[gpui::test]
542async fn test_channel_buffers_and_server_restarts(
543 deterministic: BackgroundExecutor,
544 cx_a: &mut TestAppContext,
545 cx_b: &mut TestAppContext,
546 cx_c: &mut TestAppContext,
547) {
548 let mut server = TestServer::start(deterministic.clone()).await;
549 let client_a = server.create_client(cx_a, "user_a").await;
550 let client_b = server.create_client(cx_b, "user_b").await;
551 let client_c = server.create_client(cx_c, "user_c").await;
552
553 let channel_id = server
554 .make_channel(
555 "the-channel",
556 None,
557 (&client_a, cx_a),
558 &mut [(&client_b, cx_b), (&client_c, cx_c)],
559 )
560 .await;
561
562 let channel_buffer_a = client_a
563 .channel_store()
564 .update(cx_a, |store, cx| store.open_channel_buffer(channel_id, cx))
565 .await
566 .unwrap();
567 let channel_buffer_b = client_b
568 .channel_store()
569 .update(cx_b, |store, cx| store.open_channel_buffer(channel_id, cx))
570 .await
571 .unwrap();
572 let _channel_buffer_c = client_c
573 .channel_store()
574 .update(cx_c, |store, cx| store.open_channel_buffer(channel_id, cx))
575 .await
576 .unwrap();
577
578 channel_buffer_a.update(cx_a, |buffer, cx| {
579 buffer.buffer().update(cx, |buffer, cx| {
580 buffer.edit([(0..0, "1")], None, cx);
581 })
582 });
583 deterministic.run_until_parked();
584
585 // Client C can't reconnect.
586 client_c.override_establish_connection(|_, cx| cx.spawn(async |_| future::pending().await));
587
588 // Server stops.
589 server.reset().await;
590 deterministic.advance_clock(RECEIVE_TIMEOUT);
591
592 // While the server is down, both clients make an edit.
593 channel_buffer_a.update(cx_a, |buffer, cx| {
594 buffer.buffer().update(cx, |buffer, cx| {
595 buffer.edit([(1..1, "2")], None, cx);
596 })
597 });
598 channel_buffer_b.update(cx_b, |buffer, cx| {
599 buffer.buffer().update(cx, |buffer, cx| {
600 buffer.edit([(0..0, "0")], None, cx);
601 })
602 });
603
604 // Server restarts.
605 server.start().await.unwrap();
606 deterministic.advance_clock(CLEANUP_TIMEOUT);
607
608 // Clients reconnects. Clients A and B see each other's edits, and see
609 // that client C has disconnected.
610 channel_buffer_a.read_with(cx_a, |buffer, cx| {
611 assert_eq!(buffer.buffer().read(cx).text(), "012");
612 });
613 channel_buffer_b.read_with(cx_b, |buffer, cx| {
614 assert_eq!(buffer.buffer().read(cx).text(), "012");
615 });
616
617 channel_buffer_a.read_with(cx_a, |buffer_a, _| {
618 channel_buffer_b.read_with(cx_b, |buffer_b, _| {
619 assert_collaborators(
620 buffer_a.collaborators(),
621 &[client_a.user_id(), client_b.user_id()],
622 );
623 assert_eq!(buffer_a.collaborators(), buffer_b.collaborators());
624 });
625 });
626}
627
628#[gpui::test]
629async fn test_channel_buffer_changes(
630 deterministic: BackgroundExecutor,
631 cx_a: &mut TestAppContext,
632 cx_b: &mut TestAppContext,
633) {
634 let (server, client_a, client_b, channel_id) = TestServer::start2(cx_a, cx_b).await;
635 let (_, cx_a) = client_a.build_test_workspace(cx_a).await;
636 let (workspace_b, cx_b) = client_b.build_test_workspace(cx_b).await;
637 let channel_store_b = client_b.channel_store().clone();
638
639 // Editing the channel notes should set them to dirty
640 open_channel_notes(channel_id, cx_a).await.unwrap();
641 cx_a.simulate_keystrokes("1");
642 channel_store_b.read_with(cx_b, |channel_store, _| {
643 assert!(channel_store.has_channel_buffer_changed(channel_id))
644 });
645
646 // Opening the buffer should clear the changed flag.
647 open_channel_notes(channel_id, cx_b).await.unwrap();
648 channel_store_b.read_with(cx_b, |channel_store, _| {
649 assert!(!channel_store.has_channel_buffer_changed(channel_id))
650 });
651
652 // Editing the channel while the buffer is open should not show that the buffer has changed.
653 cx_a.simulate_keystrokes("2");
654 channel_store_b.read_with(cx_b, |channel_store, _| {
655 assert!(!channel_store.has_channel_buffer_changed(channel_id))
656 });
657
658 // Test that the server is tracking things correctly, and we retain our 'not changed'
659 // state across a disconnect
660 deterministic.advance_clock(ACKNOWLEDGE_DEBOUNCE_INTERVAL);
661 server
662 .simulate_long_connection_interruption(client_b.peer_id().unwrap(), deterministic.clone());
663 channel_store_b.read_with(cx_b, |channel_store, _| {
664 assert!(!channel_store.has_channel_buffer_changed(channel_id))
665 });
666
667 // Closing the buffer should re-enable change tracking
668 cx_b.update(|window, cx| {
669 workspace_b.update(cx, |workspace, cx| {
670 workspace.close_all_items_and_panes(&Default::default(), window, cx)
671 });
672 });
673 deterministic.run_until_parked();
674
675 cx_a.simulate_keystrokes("3");
676 channel_store_b.read_with(cx_b, |channel_store, _| {
677 assert!(channel_store.has_channel_buffer_changed(channel_id))
678 });
679}
680
681#[gpui::test]
682async fn test_channel_buffer_changes_persist(
683 cx_a: &mut TestAppContext,
684 cx_b: &mut TestAppContext,
685 cx_b2: &mut TestAppContext,
686) {
687 let (mut server, client_a, client_b, channel_id) = TestServer::start2(cx_a, cx_b).await;
688 let (_, cx_a) = client_a.build_test_workspace(cx_a).await;
689 let (_, cx_b) = client_b.build_test_workspace(cx_b).await;
690
691 // a) edits the notes
692 open_channel_notes(channel_id, cx_a).await.unwrap();
693 cx_a.simulate_keystrokes("1");
694 // b) opens them to observe the current version
695 open_channel_notes(channel_id, cx_b).await.unwrap();
696
697 // On boot the client should get the correct state.
698 let client_b2 = server.create_client(cx_b2, "user_b").await;
699 let channel_store_b2 = client_b2.channel_store().clone();
700 channel_store_b2.read_with(cx_b2, |channel_store, _| {
701 assert!(!channel_store.has_channel_buffer_changed(channel_id))
702 });
703}
704
705#[track_caller]
706fn assert_collaborators(collaborators: &HashMap<PeerId, Collaborator>, ids: &[Option<UserId>]) {
707 let mut user_ids = collaborators
708 .values()
709 .map(|collaborator| collaborator.user_id)
710 .collect::<Vec<_>>();
711 user_ids.sort();
712 assert_eq!(
713 user_ids,
714 ids.iter().map(|id| id.unwrap()).collect::<Vec<_>>()
715 );
716}
717
718fn buffer_text(channel_buffer: &Entity<language::Buffer>, cx: &mut TestAppContext) -> String {
719 channel_buffer.read_with(cx, |buffer, _| buffer.text())
720}