1mod store;
2
3use super::{
4 auth::process_auth_header,
5 db::{ChannelId, MessageId, UserId},
6 AppState,
7};
8use anyhow::anyhow;
9use async_io::Timer;
10use async_std::task;
11use async_tungstenite::{tungstenite::protocol::Role, WebSocketStream};
12use collections::{HashMap, HashSet};
13use futures::{channel::mpsc, future::BoxFuture, FutureExt, SinkExt, StreamExt};
14use parking_lot::{RwLock, RwLockReadGuard, RwLockWriteGuard};
15use rpc::{
16 proto::{self, AnyTypedEnvelope, EntityMessage, EnvelopedMessage, RequestMessage},
17 Connection, ConnectionId, Peer, TypedEnvelope,
18};
19use sha1::{Digest as _, Sha1};
20use std::{
21 any::TypeId,
22 future::Future,
23 sync::Arc,
24 time::{Duration, Instant},
25};
26use store::{Store, Worktree};
27use surf::StatusCode;
28use tide::log;
29use tide::{
30 http::headers::{HeaderName, CONNECTION, UPGRADE},
31 Request, Response,
32};
33use time::OffsetDateTime;
34
35type MessageHandler = Box<
36 dyn Send
37 + Sync
38 + Fn(Arc<Server>, Box<dyn AnyTypedEnvelope>) -> BoxFuture<'static, tide::Result<()>>,
39>;
40
41pub struct Server {
42 peer: Arc<Peer>,
43 store: RwLock<Store>,
44 app_state: Arc<AppState>,
45 handlers: HashMap<TypeId, MessageHandler>,
46 notifications: Option<mpsc::UnboundedSender<()>>,
47}
48
49pub trait Executor: Send + Clone {
50 type Timer: Send + Future;
51 fn spawn_detached<F: 'static + Send + Future<Output = ()>>(&self, future: F);
52 fn timer(&self, duration: Duration) -> Self::Timer;
53}
54
55#[derive(Clone)]
56pub struct RealExecutor;
57
58const MESSAGE_COUNT_PER_PAGE: usize = 100;
59const MAX_MESSAGE_LEN: usize = 1024;
60
61impl Server {
62 pub fn new(
63 app_state: Arc<AppState>,
64 peer: Arc<Peer>,
65 notifications: Option<mpsc::UnboundedSender<()>>,
66 ) -> Arc<Self> {
67 let mut server = Self {
68 peer,
69 app_state,
70 store: Default::default(),
71 handlers: Default::default(),
72 notifications,
73 };
74
75 server
76 .add_request_handler(Server::ping)
77 .add_request_handler(Server::register_project)
78 .add_message_handler(Server::unregister_project)
79 .add_request_handler(Server::share_project)
80 .add_message_handler(Server::unshare_project)
81 .add_request_handler(Server::join_project)
82 .add_message_handler(Server::leave_project)
83 .add_request_handler(Server::register_worktree)
84 .add_message_handler(Server::unregister_worktree)
85 .add_request_handler(Server::update_worktree)
86 .add_message_handler(Server::start_language_server)
87 .add_message_handler(Server::update_language_server)
88 .add_message_handler(Server::update_diagnostic_summary)
89 .add_request_handler(Server::forward_project_request::<proto::GetDefinition>)
90 .add_request_handler(Server::forward_project_request::<proto::GetReferences>)
91 .add_request_handler(Server::forward_project_request::<proto::SearchProject>)
92 .add_request_handler(Server::forward_project_request::<proto::GetDocumentHighlights>)
93 .add_request_handler(Server::forward_project_request::<proto::GetProjectSymbols>)
94 .add_request_handler(Server::forward_project_request::<proto::OpenBufferForSymbol>)
95 .add_request_handler(Server::forward_project_request::<proto::OpenBufferById>)
96 .add_request_handler(Server::forward_project_request::<proto::OpenBufferByPath>)
97 .add_request_handler(Server::forward_project_request::<proto::GetCompletions>)
98 .add_request_handler(
99 Server::forward_project_request::<proto::ApplyCompletionAdditionalEdits>,
100 )
101 .add_request_handler(Server::forward_project_request::<proto::GetCodeActions>)
102 .add_request_handler(Server::forward_project_request::<proto::ApplyCodeAction>)
103 .add_request_handler(Server::forward_project_request::<proto::PrepareRename>)
104 .add_request_handler(Server::forward_project_request::<proto::PerformRename>)
105 .add_request_handler(Server::forward_project_request::<proto::FormatBuffers>)
106 .add_request_handler(Server::update_buffer)
107 .add_message_handler(Server::update_buffer_file)
108 .add_message_handler(Server::buffer_reloaded)
109 .add_message_handler(Server::buffer_saved)
110 .add_request_handler(Server::save_buffer)
111 .add_request_handler(Server::get_channels)
112 .add_request_handler(Server::get_users)
113 .add_request_handler(Server::join_channel)
114 .add_message_handler(Server::leave_channel)
115 .add_request_handler(Server::send_channel_message)
116 .add_request_handler(Server::follow)
117 .add_message_handler(Server::unfollow)
118 .add_message_handler(Server::update_followers)
119 .add_request_handler(Server::get_channel_messages);
120
121 Arc::new(server)
122 }
123
124 fn add_message_handler<F, Fut, M>(&mut self, handler: F) -> &mut Self
125 where
126 F: 'static + Send + Sync + Fn(Arc<Self>, TypedEnvelope<M>) -> Fut,
127 Fut: 'static + Send + Future<Output = tide::Result<()>>,
128 M: EnvelopedMessage,
129 {
130 let prev_handler = self.handlers.insert(
131 TypeId::of::<M>(),
132 Box::new(move |server, envelope| {
133 let envelope = envelope.into_any().downcast::<TypedEnvelope<M>>().unwrap();
134 (handler)(server, *envelope).boxed()
135 }),
136 );
137 if prev_handler.is_some() {
138 panic!("registered a handler for the same message twice");
139 }
140 self
141 }
142
143 fn add_request_handler<F, Fut, M>(&mut self, handler: F) -> &mut Self
144 where
145 F: 'static + Send + Sync + Fn(Arc<Self>, TypedEnvelope<M>) -> Fut,
146 Fut: 'static + Send + Future<Output = tide::Result<M::Response>>,
147 M: RequestMessage,
148 {
149 self.add_message_handler(move |server, envelope| {
150 let receipt = envelope.receipt();
151 let response = (handler)(server.clone(), envelope);
152 async move {
153 match response.await {
154 Ok(response) => {
155 server.peer.respond(receipt, response)?;
156 Ok(())
157 }
158 Err(error) => {
159 server.peer.respond_with_error(
160 receipt,
161 proto::Error {
162 message: error.to_string(),
163 },
164 )?;
165 Err(error)
166 }
167 }
168 }
169 })
170 }
171
172 pub fn handle_connection<E: Executor>(
173 self: &Arc<Self>,
174 connection: Connection,
175 addr: String,
176 user_id: UserId,
177 mut send_connection_id: Option<mpsc::Sender<ConnectionId>>,
178 executor: E,
179 ) -> impl Future<Output = ()> {
180 let mut this = self.clone();
181 async move {
182 let (connection_id, handle_io, mut incoming_rx) = this
183 .peer
184 .add_connection(connection, {
185 let executor = executor.clone();
186 move |duration| {
187 let timer = executor.timer(duration);
188 async move {
189 timer.await;
190 }
191 }
192 })
193 .await;
194
195 if let Some(send_connection_id) = send_connection_id.as_mut() {
196 let _ = send_connection_id.send(connection_id).await;
197 }
198
199 this.state_mut().add_connection(connection_id, user_id);
200 if let Err(err) = this.update_contacts_for_users(&[user_id]) {
201 log::error!("error updating contacts for {:?}: {}", user_id, err);
202 }
203
204 let handle_io = handle_io.fuse();
205 futures::pin_mut!(handle_io);
206 loop {
207 let next_message = incoming_rx.next().fuse();
208 futures::pin_mut!(next_message);
209 futures::select_biased! {
210 result = handle_io => {
211 if let Err(err) = result {
212 log::error!("error handling rpc connection {:?} - {:?}", addr, err);
213 }
214 break;
215 }
216 message = next_message => {
217 if let Some(message) = message {
218 let start_time = Instant::now();
219 let type_name = message.payload_type_name();
220 log::info!("rpc message received. connection:{}, type:{}", connection_id, type_name);
221 if let Some(handler) = this.handlers.get(&message.payload_type_id()) {
222 let notifications = this.notifications.clone();
223 let is_background = message.is_background();
224 let handle_message = (handler)(this.clone(), message);
225 let handle_message = async move {
226 if let Err(err) = handle_message.await {
227 log::error!("rpc message error. connection:{}, type:{}, error:{:?}", connection_id, type_name, err);
228 } else {
229 log::info!("rpc message handled. connection:{}, type:{}, duration:{:?}", connection_id, type_name, start_time.elapsed());
230 }
231 if let Some(mut notifications) = notifications {
232 let _ = notifications.send(()).await;
233 }
234 };
235 if is_background {
236 executor.spawn_detached(handle_message);
237 } else {
238 handle_message.await;
239 }
240 } else {
241 log::warn!("unhandled message: {}", type_name);
242 }
243 } else {
244 log::info!("rpc connection closed {:?}", addr);
245 break;
246 }
247 }
248 }
249 }
250
251 if let Err(err) = this.sign_out(connection_id).await {
252 log::error!("error signing out connection {:?} - {:?}", addr, err);
253 }
254 }
255 }
256
257 async fn sign_out(self: &mut Arc<Self>, connection_id: ConnectionId) -> tide::Result<()> {
258 self.peer.disconnect(connection_id);
259 let removed_connection = self.state_mut().remove_connection(connection_id)?;
260
261 for (project_id, project) in removed_connection.hosted_projects {
262 if let Some(share) = project.share {
263 broadcast(
264 connection_id,
265 share.guests.keys().copied().collect(),
266 |conn_id| {
267 self.peer
268 .send(conn_id, proto::UnshareProject { project_id })
269 },
270 )?;
271 }
272 }
273
274 for (project_id, peer_ids) in removed_connection.guest_project_ids {
275 broadcast(connection_id, peer_ids, |conn_id| {
276 self.peer.send(
277 conn_id,
278 proto::RemoveProjectCollaborator {
279 project_id,
280 peer_id: connection_id.0,
281 },
282 )
283 })?;
284 }
285
286 self.update_contacts_for_users(removed_connection.contact_ids.iter())?;
287 Ok(())
288 }
289
290 async fn ping(self: Arc<Server>, _: TypedEnvelope<proto::Ping>) -> tide::Result<proto::Ack> {
291 Ok(proto::Ack {})
292 }
293
294 async fn register_project(
295 mut self: Arc<Server>,
296 request: TypedEnvelope<proto::RegisterProject>,
297 ) -> tide::Result<proto::RegisterProjectResponse> {
298 let project_id = {
299 let mut state = self.state_mut();
300 let user_id = state.user_id_for_connection(request.sender_id)?;
301 state.register_project(request.sender_id, user_id)
302 };
303 Ok(proto::RegisterProjectResponse { project_id })
304 }
305
306 async fn unregister_project(
307 mut self: Arc<Server>,
308 request: TypedEnvelope<proto::UnregisterProject>,
309 ) -> tide::Result<()> {
310 let project = self
311 .state_mut()
312 .unregister_project(request.payload.project_id, request.sender_id)?;
313 self.update_contacts_for_users(project.authorized_user_ids().iter())?;
314 Ok(())
315 }
316
317 async fn share_project(
318 mut self: Arc<Server>,
319 request: TypedEnvelope<proto::ShareProject>,
320 ) -> tide::Result<proto::Ack> {
321 self.state_mut()
322 .share_project(request.payload.project_id, request.sender_id);
323 Ok(proto::Ack {})
324 }
325
326 async fn unshare_project(
327 mut self: Arc<Server>,
328 request: TypedEnvelope<proto::UnshareProject>,
329 ) -> tide::Result<()> {
330 let project_id = request.payload.project_id;
331 let project = self
332 .state_mut()
333 .unshare_project(project_id, request.sender_id)?;
334
335 broadcast(request.sender_id, project.connection_ids, |conn_id| {
336 self.peer
337 .send(conn_id, proto::UnshareProject { project_id })
338 })?;
339 self.update_contacts_for_users(&project.authorized_user_ids)?;
340 Ok(())
341 }
342
343 async fn join_project(
344 mut self: Arc<Server>,
345 request: TypedEnvelope<proto::JoinProject>,
346 ) -> tide::Result<proto::JoinProjectResponse> {
347 let project_id = request.payload.project_id;
348
349 let user_id = self.state().user_id_for_connection(request.sender_id)?;
350 let (response, connection_ids, contact_user_ids) = self
351 .state_mut()
352 .join_project(request.sender_id, user_id, project_id)
353 .and_then(|joined| {
354 let share = joined.project.share()?;
355 let peer_count = share.guests.len();
356 let mut collaborators = Vec::with_capacity(peer_count);
357 collaborators.push(proto::Collaborator {
358 peer_id: joined.project.host_connection_id.0,
359 replica_id: 0,
360 user_id: joined.project.host_user_id.to_proto(),
361 });
362 let worktrees = share
363 .worktrees
364 .iter()
365 .filter_map(|(id, shared_worktree)| {
366 let worktree = joined.project.worktrees.get(&id)?;
367 Some(proto::Worktree {
368 id: *id,
369 root_name: worktree.root_name.clone(),
370 entries: shared_worktree.entries.values().cloned().collect(),
371 diagnostic_summaries: shared_worktree
372 .diagnostic_summaries
373 .values()
374 .cloned()
375 .collect(),
376 visible: worktree.visible,
377 })
378 })
379 .collect();
380 for (peer_conn_id, (peer_replica_id, peer_user_id)) in &share.guests {
381 if *peer_conn_id != request.sender_id {
382 collaborators.push(proto::Collaborator {
383 peer_id: peer_conn_id.0,
384 replica_id: *peer_replica_id as u32,
385 user_id: peer_user_id.to_proto(),
386 });
387 }
388 }
389 let response = proto::JoinProjectResponse {
390 worktrees,
391 replica_id: joined.replica_id as u32,
392 collaborators,
393 language_servers: joined.project.language_servers.clone(),
394 };
395 let connection_ids = joined.project.connection_ids();
396 let contact_user_ids = joined.project.authorized_user_ids();
397 Ok((response, connection_ids, contact_user_ids))
398 })?;
399
400 broadcast(request.sender_id, connection_ids, |conn_id| {
401 self.peer.send(
402 conn_id,
403 proto::AddProjectCollaborator {
404 project_id,
405 collaborator: Some(proto::Collaborator {
406 peer_id: request.sender_id.0,
407 replica_id: response.replica_id,
408 user_id: user_id.to_proto(),
409 }),
410 },
411 )
412 })?;
413 self.update_contacts_for_users(&contact_user_ids)?;
414 Ok(response)
415 }
416
417 async fn leave_project(
418 mut self: Arc<Server>,
419 request: TypedEnvelope<proto::LeaveProject>,
420 ) -> tide::Result<()> {
421 let sender_id = request.sender_id;
422 let project_id = request.payload.project_id;
423 let worktree = self.state_mut().leave_project(sender_id, project_id)?;
424
425 broadcast(sender_id, worktree.connection_ids, |conn_id| {
426 self.peer.send(
427 conn_id,
428 proto::RemoveProjectCollaborator {
429 project_id,
430 peer_id: sender_id.0,
431 },
432 )
433 })?;
434 self.update_contacts_for_users(&worktree.authorized_user_ids)?;
435
436 Ok(())
437 }
438
439 async fn register_worktree(
440 mut self: Arc<Server>,
441 request: TypedEnvelope<proto::RegisterWorktree>,
442 ) -> tide::Result<proto::Ack> {
443 let host_user_id = self.state().user_id_for_connection(request.sender_id)?;
444
445 let mut contact_user_ids = HashSet::default();
446 contact_user_ids.insert(host_user_id);
447 for github_login in &request.payload.authorized_logins {
448 let contact_user_id = self.app_state.db.create_user(github_login, false).await?;
449 contact_user_ids.insert(contact_user_id);
450 }
451
452 let contact_user_ids = contact_user_ids.into_iter().collect::<Vec<_>>();
453 let guest_connection_ids;
454 {
455 let mut state = self.state_mut();
456 guest_connection_ids = state
457 .read_project(request.payload.project_id, request.sender_id)?
458 .guest_connection_ids();
459 state.register_worktree(
460 request.payload.project_id,
461 request.payload.worktree_id,
462 request.sender_id,
463 Worktree {
464 authorized_user_ids: contact_user_ids.clone(),
465 root_name: request.payload.root_name.clone(),
466 visible: request.payload.visible,
467 },
468 )?;
469 }
470 broadcast(request.sender_id, guest_connection_ids, |connection_id| {
471 self.peer
472 .forward_send(request.sender_id, connection_id, request.payload.clone())
473 })?;
474 self.update_contacts_for_users(&contact_user_ids)?;
475 Ok(proto::Ack {})
476 }
477
478 async fn unregister_worktree(
479 mut self: Arc<Server>,
480 request: TypedEnvelope<proto::UnregisterWorktree>,
481 ) -> tide::Result<()> {
482 let project_id = request.payload.project_id;
483 let worktree_id = request.payload.worktree_id;
484 let (worktree, guest_connection_ids) =
485 self.state_mut()
486 .unregister_worktree(project_id, worktree_id, request.sender_id)?;
487 broadcast(request.sender_id, guest_connection_ids, |conn_id| {
488 self.peer.send(
489 conn_id,
490 proto::UnregisterWorktree {
491 project_id,
492 worktree_id,
493 },
494 )
495 })?;
496 self.update_contacts_for_users(&worktree.authorized_user_ids)?;
497 Ok(())
498 }
499
500 async fn update_worktree(
501 mut self: Arc<Server>,
502 request: TypedEnvelope<proto::UpdateWorktree>,
503 ) -> tide::Result<proto::Ack> {
504 let connection_ids = self.state_mut().update_worktree(
505 request.sender_id,
506 request.payload.project_id,
507 request.payload.worktree_id,
508 &request.payload.removed_entries,
509 &request.payload.updated_entries,
510 )?;
511
512 broadcast(request.sender_id, connection_ids, |connection_id| {
513 self.peer
514 .forward_send(request.sender_id, connection_id, request.payload.clone())
515 })?;
516
517 Ok(proto::Ack {})
518 }
519
520 async fn update_diagnostic_summary(
521 mut self: Arc<Server>,
522 request: TypedEnvelope<proto::UpdateDiagnosticSummary>,
523 ) -> tide::Result<()> {
524 let summary = request
525 .payload
526 .summary
527 .clone()
528 .ok_or_else(|| anyhow!("invalid summary"))?;
529 let receiver_ids = self.state_mut().update_diagnostic_summary(
530 request.payload.project_id,
531 request.payload.worktree_id,
532 request.sender_id,
533 summary,
534 )?;
535
536 broadcast(request.sender_id, receiver_ids, |connection_id| {
537 self.peer
538 .forward_send(request.sender_id, connection_id, request.payload.clone())
539 })?;
540 Ok(())
541 }
542
543 async fn start_language_server(
544 mut self: Arc<Server>,
545 request: TypedEnvelope<proto::StartLanguageServer>,
546 ) -> tide::Result<()> {
547 let receiver_ids = self.state_mut().start_language_server(
548 request.payload.project_id,
549 request.sender_id,
550 request
551 .payload
552 .server
553 .clone()
554 .ok_or_else(|| anyhow!("invalid language server"))?,
555 )?;
556 broadcast(request.sender_id, receiver_ids, |connection_id| {
557 self.peer
558 .forward_send(request.sender_id, connection_id, request.payload.clone())
559 })?;
560 Ok(())
561 }
562
563 async fn update_language_server(
564 self: Arc<Server>,
565 request: TypedEnvelope<proto::UpdateLanguageServer>,
566 ) -> tide::Result<()> {
567 let receiver_ids = self
568 .state()
569 .project_connection_ids(request.payload.project_id, request.sender_id)?;
570 broadcast(request.sender_id, receiver_ids, |connection_id| {
571 self.peer
572 .forward_send(request.sender_id, connection_id, request.payload.clone())
573 })?;
574 Ok(())
575 }
576
577 async fn forward_project_request<T>(
578 self: Arc<Server>,
579 request: TypedEnvelope<T>,
580 ) -> tide::Result<T::Response>
581 where
582 T: EntityMessage + RequestMessage,
583 {
584 let host_connection_id = self
585 .state()
586 .read_project(request.payload.remote_entity_id(), request.sender_id)?
587 .host_connection_id;
588 Ok(self
589 .peer
590 .forward_request(request.sender_id, host_connection_id, request.payload)
591 .await?)
592 }
593
594 async fn save_buffer(
595 self: Arc<Server>,
596 request: TypedEnvelope<proto::SaveBuffer>,
597 ) -> tide::Result<proto::BufferSaved> {
598 let host;
599 let mut guests;
600 {
601 let state = self.state();
602 let project = state.read_project(request.payload.project_id, request.sender_id)?;
603 host = project.host_connection_id;
604 guests = project.guest_connection_ids()
605 }
606
607 let response = self
608 .peer
609 .forward_request(request.sender_id, host, request.payload.clone())
610 .await?;
611
612 guests.retain(|guest_connection_id| *guest_connection_id != request.sender_id);
613 broadcast(host, guests, |conn_id| {
614 self.peer.forward_send(host, conn_id, response.clone())
615 })?;
616
617 Ok(response)
618 }
619
620 async fn update_buffer(
621 self: Arc<Server>,
622 request: TypedEnvelope<proto::UpdateBuffer>,
623 ) -> tide::Result<proto::Ack> {
624 let receiver_ids = self
625 .state()
626 .project_connection_ids(request.payload.project_id, request.sender_id)?;
627 broadcast(request.sender_id, receiver_ids, |connection_id| {
628 self.peer
629 .forward_send(request.sender_id, connection_id, request.payload.clone())
630 })?;
631 Ok(proto::Ack {})
632 }
633
634 async fn update_buffer_file(
635 self: Arc<Server>,
636 request: TypedEnvelope<proto::UpdateBufferFile>,
637 ) -> tide::Result<()> {
638 let receiver_ids = self
639 .state()
640 .project_connection_ids(request.payload.project_id, request.sender_id)?;
641 broadcast(request.sender_id, receiver_ids, |connection_id| {
642 self.peer
643 .forward_send(request.sender_id, connection_id, request.payload.clone())
644 })?;
645 Ok(())
646 }
647
648 async fn buffer_reloaded(
649 self: Arc<Server>,
650 request: TypedEnvelope<proto::BufferReloaded>,
651 ) -> tide::Result<()> {
652 let receiver_ids = self
653 .state()
654 .project_connection_ids(request.payload.project_id, request.sender_id)?;
655 broadcast(request.sender_id, receiver_ids, |connection_id| {
656 self.peer
657 .forward_send(request.sender_id, connection_id, request.payload.clone())
658 })?;
659 Ok(())
660 }
661
662 async fn buffer_saved(
663 self: Arc<Server>,
664 request: TypedEnvelope<proto::BufferSaved>,
665 ) -> tide::Result<()> {
666 let receiver_ids = self
667 .state()
668 .project_connection_ids(request.payload.project_id, request.sender_id)?;
669 broadcast(request.sender_id, receiver_ids, |connection_id| {
670 self.peer
671 .forward_send(request.sender_id, connection_id, request.payload.clone())
672 })?;
673 Ok(())
674 }
675
676 async fn follow(
677 self: Arc<Self>,
678 request: TypedEnvelope<proto::Follow>,
679 ) -> tide::Result<proto::FollowResponse> {
680 let leader_id = ConnectionId(request.payload.leader_id);
681 let follower_id = request.sender_id;
682 if !self
683 .state()
684 .project_connection_ids(request.payload.project_id, follower_id)?
685 .contains(&leader_id)
686 {
687 Err(anyhow!("no such peer"))?;
688 }
689 let mut response = self
690 .peer
691 .forward_request(request.sender_id, leader_id, request.payload)
692 .await?;
693 response
694 .views
695 .retain(|view| view.leader_id != Some(follower_id.0));
696 Ok(response)
697 }
698
699 async fn unfollow(
700 self: Arc<Self>,
701 request: TypedEnvelope<proto::Unfollow>,
702 ) -> tide::Result<()> {
703 let leader_id = ConnectionId(request.payload.leader_id);
704 if !self
705 .state()
706 .project_connection_ids(request.payload.project_id, request.sender_id)?
707 .contains(&leader_id)
708 {
709 Err(anyhow!("no such peer"))?;
710 }
711 self.peer
712 .forward_send(request.sender_id, leader_id, request.payload)?;
713 Ok(())
714 }
715
716 async fn update_followers(
717 self: Arc<Self>,
718 request: TypedEnvelope<proto::UpdateFollowers>,
719 ) -> tide::Result<()> {
720 let connection_ids = self
721 .state()
722 .project_connection_ids(request.payload.project_id, request.sender_id)?;
723 let leader_id = request
724 .payload
725 .variant
726 .as_ref()
727 .and_then(|variant| match variant {
728 proto::update_followers::Variant::CreateView(payload) => payload.leader_id,
729 proto::update_followers::Variant::UpdateView(payload) => payload.leader_id,
730 proto::update_followers::Variant::UpdateActiveView(payload) => payload.leader_id,
731 });
732 for follower_id in &request.payload.follower_ids {
733 let follower_id = ConnectionId(*follower_id);
734 if connection_ids.contains(&follower_id) && Some(follower_id.0) != leader_id {
735 self.peer
736 .forward_send(request.sender_id, follower_id, request.payload.clone())?;
737 }
738 }
739 Ok(())
740 }
741
742 async fn get_channels(
743 self: Arc<Server>,
744 request: TypedEnvelope<proto::GetChannels>,
745 ) -> tide::Result<proto::GetChannelsResponse> {
746 let user_id = self.state().user_id_for_connection(request.sender_id)?;
747 let channels = self.app_state.db.get_accessible_channels(user_id).await?;
748 Ok(proto::GetChannelsResponse {
749 channels: channels
750 .into_iter()
751 .map(|chan| proto::Channel {
752 id: chan.id.to_proto(),
753 name: chan.name,
754 })
755 .collect(),
756 })
757 }
758
759 async fn get_users(
760 self: Arc<Server>,
761 request: TypedEnvelope<proto::GetUsers>,
762 ) -> tide::Result<proto::GetUsersResponse> {
763 let user_ids = request
764 .payload
765 .user_ids
766 .into_iter()
767 .map(UserId::from_proto)
768 .collect();
769 let users = self
770 .app_state
771 .db
772 .get_users_by_ids(user_ids)
773 .await?
774 .into_iter()
775 .map(|user| proto::User {
776 id: user.id.to_proto(),
777 avatar_url: format!("https://github.com/{}.png?size=128", user.github_login),
778 github_login: user.github_login,
779 })
780 .collect();
781 Ok(proto::GetUsersResponse { users })
782 }
783
784 fn update_contacts_for_users<'a>(
785 self: &Arc<Server>,
786 user_ids: impl IntoIterator<Item = &'a UserId>,
787 ) -> anyhow::Result<()> {
788 let mut result = Ok(());
789 let state = self.state();
790 for user_id in user_ids {
791 let contacts = state.contacts_for_user(*user_id);
792 for connection_id in state.connection_ids_for_user(*user_id) {
793 if let Err(error) = self.peer.send(
794 connection_id,
795 proto::UpdateContacts {
796 contacts: contacts.clone(),
797 },
798 ) {
799 result = Err(error);
800 }
801 }
802 }
803 result
804 }
805
806 async fn join_channel(
807 mut self: Arc<Self>,
808 request: TypedEnvelope<proto::JoinChannel>,
809 ) -> tide::Result<proto::JoinChannelResponse> {
810 let user_id = self.state().user_id_for_connection(request.sender_id)?;
811 let channel_id = ChannelId::from_proto(request.payload.channel_id);
812 if !self
813 .app_state
814 .db
815 .can_user_access_channel(user_id, channel_id)
816 .await?
817 {
818 Err(anyhow!("access denied"))?;
819 }
820
821 self.state_mut().join_channel(request.sender_id, channel_id);
822 let messages = self
823 .app_state
824 .db
825 .get_channel_messages(channel_id, MESSAGE_COUNT_PER_PAGE, None)
826 .await?
827 .into_iter()
828 .map(|msg| proto::ChannelMessage {
829 id: msg.id.to_proto(),
830 body: msg.body,
831 timestamp: msg.sent_at.unix_timestamp() as u64,
832 sender_id: msg.sender_id.to_proto(),
833 nonce: Some(msg.nonce.as_u128().into()),
834 })
835 .collect::<Vec<_>>();
836 Ok(proto::JoinChannelResponse {
837 done: messages.len() < MESSAGE_COUNT_PER_PAGE,
838 messages,
839 })
840 }
841
842 async fn leave_channel(
843 mut self: Arc<Self>,
844 request: TypedEnvelope<proto::LeaveChannel>,
845 ) -> tide::Result<()> {
846 let user_id = self.state().user_id_for_connection(request.sender_id)?;
847 let channel_id = ChannelId::from_proto(request.payload.channel_id);
848 if !self
849 .app_state
850 .db
851 .can_user_access_channel(user_id, channel_id)
852 .await?
853 {
854 Err(anyhow!("access denied"))?;
855 }
856
857 self.state_mut()
858 .leave_channel(request.sender_id, channel_id);
859
860 Ok(())
861 }
862
863 async fn send_channel_message(
864 self: Arc<Self>,
865 request: TypedEnvelope<proto::SendChannelMessage>,
866 ) -> tide::Result<proto::SendChannelMessageResponse> {
867 let channel_id = ChannelId::from_proto(request.payload.channel_id);
868 let user_id;
869 let connection_ids;
870 {
871 let state = self.state();
872 user_id = state.user_id_for_connection(request.sender_id)?;
873 connection_ids = state.channel_connection_ids(channel_id)?;
874 }
875
876 // Validate the message body.
877 let body = request.payload.body.trim().to_string();
878 if body.len() > MAX_MESSAGE_LEN {
879 return Err(anyhow!("message is too long"))?;
880 }
881 if body.is_empty() {
882 return Err(anyhow!("message can't be blank"))?;
883 }
884
885 let timestamp = OffsetDateTime::now_utc();
886 let nonce = request
887 .payload
888 .nonce
889 .ok_or_else(|| anyhow!("nonce can't be blank"))?;
890
891 let message_id = self
892 .app_state
893 .db
894 .create_channel_message(channel_id, user_id, &body, timestamp, nonce.clone().into())
895 .await?
896 .to_proto();
897 let message = proto::ChannelMessage {
898 sender_id: user_id.to_proto(),
899 id: message_id,
900 body,
901 timestamp: timestamp.unix_timestamp() as u64,
902 nonce: Some(nonce),
903 };
904 broadcast(request.sender_id, connection_ids, |conn_id| {
905 self.peer.send(
906 conn_id,
907 proto::ChannelMessageSent {
908 channel_id: channel_id.to_proto(),
909 message: Some(message.clone()),
910 },
911 )
912 })?;
913 Ok(proto::SendChannelMessageResponse {
914 message: Some(message),
915 })
916 }
917
918 async fn get_channel_messages(
919 self: Arc<Self>,
920 request: TypedEnvelope<proto::GetChannelMessages>,
921 ) -> tide::Result<proto::GetChannelMessagesResponse> {
922 let user_id = self.state().user_id_for_connection(request.sender_id)?;
923 let channel_id = ChannelId::from_proto(request.payload.channel_id);
924 if !self
925 .app_state
926 .db
927 .can_user_access_channel(user_id, channel_id)
928 .await?
929 {
930 Err(anyhow!("access denied"))?;
931 }
932
933 let messages = self
934 .app_state
935 .db
936 .get_channel_messages(
937 channel_id,
938 MESSAGE_COUNT_PER_PAGE,
939 Some(MessageId::from_proto(request.payload.before_message_id)),
940 )
941 .await?
942 .into_iter()
943 .map(|msg| proto::ChannelMessage {
944 id: msg.id.to_proto(),
945 body: msg.body,
946 timestamp: msg.sent_at.unix_timestamp() as u64,
947 sender_id: msg.sender_id.to_proto(),
948 nonce: Some(msg.nonce.as_u128().into()),
949 })
950 .collect::<Vec<_>>();
951
952 Ok(proto::GetChannelMessagesResponse {
953 done: messages.len() < MESSAGE_COUNT_PER_PAGE,
954 messages,
955 })
956 }
957
958 fn state<'a>(self: &'a Arc<Self>) -> RwLockReadGuard<'a, Store> {
959 self.store.read()
960 }
961
962 fn state_mut<'a>(self: &'a mut Arc<Self>) -> RwLockWriteGuard<'a, Store> {
963 self.store.write()
964 }
965}
966
967impl Executor for RealExecutor {
968 type Timer = Timer;
969
970 fn spawn_detached<F: 'static + Send + Future<Output = ()>>(&self, future: F) {
971 task::spawn(future);
972 }
973
974 fn timer(&self, duration: Duration) -> Self::Timer {
975 Timer::after(duration)
976 }
977}
978
979fn broadcast<F>(
980 sender_id: ConnectionId,
981 receiver_ids: Vec<ConnectionId>,
982 mut f: F,
983) -> anyhow::Result<()>
984where
985 F: FnMut(ConnectionId) -> anyhow::Result<()>,
986{
987 let mut result = Ok(());
988 for receiver_id in receiver_ids {
989 if receiver_id != sender_id {
990 if let Err(error) = f(receiver_id) {
991 if result.is_ok() {
992 result = Err(error);
993 }
994 }
995 }
996 }
997 result
998}
999
1000pub fn add_routes(app: &mut tide::Server<Arc<AppState>>, rpc: &Arc<Peer>) {
1001 let server = Server::new(app.state().clone(), rpc.clone(), None);
1002 app.at("/rpc").get(move |request: Request<Arc<AppState>>| {
1003 let server = server.clone();
1004 async move {
1005 const WEBSOCKET_GUID: &str = "258EAFA5-E914-47DA-95CA-C5AB0DC85B11";
1006
1007 let connection_upgrade = header_contains_ignore_case(&request, CONNECTION, "upgrade");
1008 let upgrade_to_websocket = header_contains_ignore_case(&request, UPGRADE, "websocket");
1009 let upgrade_requested = connection_upgrade && upgrade_to_websocket;
1010 let client_protocol_version: Option<u32> = request
1011 .header("X-Zed-Protocol-Version")
1012 .and_then(|v| v.as_str().parse().ok());
1013
1014 if !upgrade_requested || client_protocol_version != Some(rpc::PROTOCOL_VERSION) {
1015 return Ok(Response::new(StatusCode::UpgradeRequired));
1016 }
1017
1018 let header = match request.header("Sec-Websocket-Key") {
1019 Some(h) => h.as_str(),
1020 None => return Err(anyhow!("expected sec-websocket-key"))?,
1021 };
1022
1023 let user_id = process_auth_header(&request).await?;
1024
1025 let mut response = Response::new(StatusCode::SwitchingProtocols);
1026 response.insert_header(UPGRADE, "websocket");
1027 response.insert_header(CONNECTION, "Upgrade");
1028 let hash = Sha1::new().chain(header).chain(WEBSOCKET_GUID).finalize();
1029 response.insert_header("Sec-Websocket-Accept", base64::encode(&hash[..]));
1030 response.insert_header("Sec-Websocket-Version", "13");
1031
1032 let http_res: &mut tide::http::Response = response.as_mut();
1033 let upgrade_receiver = http_res.recv_upgrade().await;
1034 let addr = request.remote().unwrap_or("unknown").to_string();
1035 task::spawn(async move {
1036 if let Some(stream) = upgrade_receiver.await {
1037 server
1038 .handle_connection(
1039 Connection::new(
1040 WebSocketStream::from_raw_socket(stream, Role::Server, None).await,
1041 ),
1042 addr,
1043 user_id,
1044 None,
1045 RealExecutor,
1046 )
1047 .await;
1048 }
1049 });
1050
1051 Ok(response)
1052 }
1053 });
1054}
1055
1056fn header_contains_ignore_case<T>(
1057 request: &tide::Request<T>,
1058 header_name: HeaderName,
1059 value: &str,
1060) -> bool {
1061 request
1062 .header(header_name)
1063 .map(|h| {
1064 h.as_str()
1065 .split(',')
1066 .any(|s| s.trim().eq_ignore_ascii_case(value.trim()))
1067 })
1068 .unwrap_or(false)
1069}
1070
1071#[cfg(test)]
1072mod tests {
1073 use super::*;
1074 use crate::{
1075 auth,
1076 db::{tests::TestDb, UserId},
1077 github, AppState, Config,
1078 };
1079 use ::rpc::Peer;
1080 use client::{
1081 self, test::FakeHttpClient, Channel, ChannelDetails, ChannelList, Client, Credentials,
1082 EstablishConnectionError, UserStore,
1083 };
1084 use collections::BTreeMap;
1085 use editor::{
1086 self, ConfirmCodeAction, ConfirmCompletion, ConfirmRename, Editor, Input, Redo, Rename,
1087 ToOffset, ToggleCodeActions, Undo,
1088 };
1089 use gpui::{executor, geometry::vector::vec2f, ModelHandle, TestAppContext, ViewHandle};
1090 use language::{
1091 range_to_lsp, tree_sitter_rust, Diagnostic, DiagnosticEntry, FakeLspAdapter, Language,
1092 LanguageConfig, LanguageRegistry, OffsetRangeExt, Point,
1093 };
1094 use lsp::{self, FakeLanguageServer};
1095 use parking_lot::Mutex;
1096 use postage::barrier;
1097 use project::{
1098 fs::{FakeFs, Fs as _},
1099 search::SearchQuery,
1100 worktree::WorktreeHandle,
1101 DiagnosticSummary, Project, ProjectPath, WorktreeId,
1102 };
1103 use rand::prelude::*;
1104 use rpc::PeerId;
1105 use serde_json::json;
1106 use sqlx::types::time::OffsetDateTime;
1107 use std::{
1108 cell::Cell,
1109 env,
1110 ops::Deref,
1111 path::{Path, PathBuf},
1112 rc::Rc,
1113 sync::{
1114 atomic::{AtomicBool, Ordering::SeqCst},
1115 Arc,
1116 },
1117 time::Duration,
1118 };
1119 use workspace::{Item, Settings, SplitDirection, Workspace, WorkspaceParams};
1120
1121 #[cfg(test)]
1122 #[ctor::ctor]
1123 fn init_logger() {
1124 if std::env::var("RUST_LOG").is_ok() {
1125 env_logger::init();
1126 }
1127 }
1128
1129 #[gpui::test(iterations = 10)]
1130 async fn test_share_project(cx_a: &mut TestAppContext, cx_b: &mut TestAppContext) {
1131 let (window_b, _) = cx_b.add_window(|_| EmptyView);
1132 let lang_registry = Arc::new(LanguageRegistry::test());
1133 let fs = FakeFs::new(cx_a.background());
1134 cx_a.foreground().forbid_parking();
1135
1136 // Connect to a server as 2 clients.
1137 let mut server = TestServer::start(cx_a.foreground(), cx_a.background()).await;
1138 let client_a = server.create_client(cx_a, "user_a").await;
1139 let client_b = server.create_client(cx_b, "user_b").await;
1140
1141 // Share a project as client A
1142 fs.insert_tree(
1143 "/a",
1144 json!({
1145 ".zed.toml": r#"collaborators = ["user_b"]"#,
1146 "a.txt": "a-contents",
1147 "b.txt": "b-contents",
1148 }),
1149 )
1150 .await;
1151 let project_a = cx_a.update(|cx| {
1152 Project::local(
1153 client_a.clone(),
1154 client_a.user_store.clone(),
1155 lang_registry.clone(),
1156 fs.clone(),
1157 cx,
1158 )
1159 });
1160 let (worktree_a, _) = project_a
1161 .update(cx_a, |p, cx| {
1162 p.find_or_create_local_worktree("/a", true, cx)
1163 })
1164 .await
1165 .unwrap();
1166 let worktree_id = worktree_a.read_with(cx_a, |tree, _| tree.id());
1167 worktree_a
1168 .read_with(cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
1169 .await;
1170 let project_id = project_a.update(cx_a, |p, _| p.next_remote_id()).await;
1171 project_a.update(cx_a, |p, cx| p.share(cx)).await.unwrap();
1172
1173 // Join that project as client B
1174 let project_b = Project::remote(
1175 project_id,
1176 client_b.clone(),
1177 client_b.user_store.clone(),
1178 lang_registry.clone(),
1179 fs.clone(),
1180 &mut cx_b.to_async(),
1181 )
1182 .await
1183 .unwrap();
1184
1185 let replica_id_b = project_b.read_with(cx_b, |project, _| {
1186 assert_eq!(
1187 project
1188 .collaborators()
1189 .get(&client_a.peer_id)
1190 .unwrap()
1191 .user
1192 .github_login,
1193 "user_a"
1194 );
1195 project.replica_id()
1196 });
1197 project_a
1198 .condition(&cx_a, |tree, _| {
1199 tree.collaborators()
1200 .get(&client_b.peer_id)
1201 .map_or(false, |collaborator| {
1202 collaborator.replica_id == replica_id_b
1203 && collaborator.user.github_login == "user_b"
1204 })
1205 })
1206 .await;
1207
1208 // Open the same file as client B and client A.
1209 let buffer_b = project_b
1210 .update(cx_b, |p, cx| p.open_buffer((worktree_id, "b.txt"), cx))
1211 .await
1212 .unwrap();
1213 buffer_b.read_with(cx_b, |buf, _| assert_eq!(buf.text(), "b-contents"));
1214 project_a.read_with(cx_a, |project, cx| {
1215 assert!(project.has_open_buffer((worktree_id, "b.txt"), cx))
1216 });
1217 let buffer_a = project_a
1218 .update(cx_a, |p, cx| p.open_buffer((worktree_id, "b.txt"), cx))
1219 .await
1220 .unwrap();
1221
1222 let editor_b = cx_b.add_view(window_b, |cx| Editor::for_buffer(buffer_b, None, cx));
1223
1224 // TODO
1225 // // Create a selection set as client B and see that selection set as client A.
1226 // buffer_a
1227 // .condition(&cx_a, |buffer, _| buffer.selection_sets().count() == 1)
1228 // .await;
1229
1230 // Edit the buffer as client B and see that edit as client A.
1231 editor_b.update(cx_b, |editor, cx| {
1232 editor.handle_input(&Input("ok, ".into()), cx)
1233 });
1234 buffer_a
1235 .condition(&cx_a, |buffer, _| buffer.text() == "ok, b-contents")
1236 .await;
1237
1238 // TODO
1239 // // Remove the selection set as client B, see those selections disappear as client A.
1240 cx_b.update(move |_| drop(editor_b));
1241 // buffer_a
1242 // .condition(&cx_a, |buffer, _| buffer.selection_sets().count() == 0)
1243 // .await;
1244
1245 // Dropping the client B's project removes client B from client A's collaborators.
1246 cx_b.update(move |_| drop(project_b));
1247 project_a
1248 .condition(&cx_a, |project, _| project.collaborators().is_empty())
1249 .await;
1250 }
1251
1252 #[gpui::test(iterations = 10)]
1253 async fn test_unshare_project(cx_a: &mut TestAppContext, cx_b: &mut TestAppContext) {
1254 let lang_registry = Arc::new(LanguageRegistry::test());
1255 let fs = FakeFs::new(cx_a.background());
1256 cx_a.foreground().forbid_parking();
1257
1258 // Connect to a server as 2 clients.
1259 let mut server = TestServer::start(cx_a.foreground(), cx_a.background()).await;
1260 let client_a = server.create_client(cx_a, "user_a").await;
1261 let client_b = server.create_client(cx_b, "user_b").await;
1262
1263 // Share a project as client A
1264 fs.insert_tree(
1265 "/a",
1266 json!({
1267 ".zed.toml": r#"collaborators = ["user_b"]"#,
1268 "a.txt": "a-contents",
1269 "b.txt": "b-contents",
1270 }),
1271 )
1272 .await;
1273 let project_a = cx_a.update(|cx| {
1274 Project::local(
1275 client_a.clone(),
1276 client_a.user_store.clone(),
1277 lang_registry.clone(),
1278 fs.clone(),
1279 cx,
1280 )
1281 });
1282 let (worktree_a, _) = project_a
1283 .update(cx_a, |p, cx| {
1284 p.find_or_create_local_worktree("/a", true, cx)
1285 })
1286 .await
1287 .unwrap();
1288 worktree_a
1289 .read_with(cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
1290 .await;
1291 let project_id = project_a.update(cx_a, |p, _| p.next_remote_id()).await;
1292 let worktree_id = worktree_a.read_with(cx_a, |tree, _| tree.id());
1293 project_a.update(cx_a, |p, cx| p.share(cx)).await.unwrap();
1294 assert!(worktree_a.read_with(cx_a, |tree, _| tree.as_local().unwrap().is_shared()));
1295
1296 // Join that project as client B
1297 let project_b = Project::remote(
1298 project_id,
1299 client_b.clone(),
1300 client_b.user_store.clone(),
1301 lang_registry.clone(),
1302 fs.clone(),
1303 &mut cx_b.to_async(),
1304 )
1305 .await
1306 .unwrap();
1307 project_b
1308 .update(cx_b, |p, cx| p.open_buffer((worktree_id, "a.txt"), cx))
1309 .await
1310 .unwrap();
1311
1312 // Unshare the project as client A
1313 project_a.update(cx_a, |project, cx| project.unshare(cx));
1314 project_b
1315 .condition(cx_b, |project, _| project.is_read_only())
1316 .await;
1317 assert!(worktree_a.read_with(cx_a, |tree, _| !tree.as_local().unwrap().is_shared()));
1318 cx_b.update(|_| {
1319 drop(project_b);
1320 });
1321
1322 // Share the project again and ensure guests can still join.
1323 project_a
1324 .update(cx_a, |project, cx| project.share(cx))
1325 .await
1326 .unwrap();
1327 assert!(worktree_a.read_with(cx_a, |tree, _| tree.as_local().unwrap().is_shared()));
1328
1329 let project_b2 = Project::remote(
1330 project_id,
1331 client_b.clone(),
1332 client_b.user_store.clone(),
1333 lang_registry.clone(),
1334 fs.clone(),
1335 &mut cx_b.to_async(),
1336 )
1337 .await
1338 .unwrap();
1339 project_b2
1340 .update(cx_b, |p, cx| p.open_buffer((worktree_id, "a.txt"), cx))
1341 .await
1342 .unwrap();
1343 }
1344
1345 #[gpui::test(iterations = 10)]
1346 async fn test_host_disconnect(cx_a: &mut TestAppContext, cx_b: &mut TestAppContext) {
1347 let lang_registry = Arc::new(LanguageRegistry::test());
1348 let fs = FakeFs::new(cx_a.background());
1349 cx_a.foreground().forbid_parking();
1350
1351 // Connect to a server as 2 clients.
1352 let mut server = TestServer::start(cx_a.foreground(), cx_a.background()).await;
1353 let client_a = server.create_client(cx_a, "user_a").await;
1354 let client_b = server.create_client(cx_b, "user_b").await;
1355
1356 // Share a project as client A
1357 fs.insert_tree(
1358 "/a",
1359 json!({
1360 ".zed.toml": r#"collaborators = ["user_b"]"#,
1361 "a.txt": "a-contents",
1362 "b.txt": "b-contents",
1363 }),
1364 )
1365 .await;
1366 let project_a = cx_a.update(|cx| {
1367 Project::local(
1368 client_a.clone(),
1369 client_a.user_store.clone(),
1370 lang_registry.clone(),
1371 fs.clone(),
1372 cx,
1373 )
1374 });
1375 let (worktree_a, _) = project_a
1376 .update(cx_a, |p, cx| {
1377 p.find_or_create_local_worktree("/a", true, cx)
1378 })
1379 .await
1380 .unwrap();
1381 worktree_a
1382 .read_with(cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
1383 .await;
1384 let project_id = project_a.update(cx_a, |p, _| p.next_remote_id()).await;
1385 let worktree_id = worktree_a.read_with(cx_a, |tree, _| tree.id());
1386 project_a.update(cx_a, |p, cx| p.share(cx)).await.unwrap();
1387 assert!(worktree_a.read_with(cx_a, |tree, _| tree.as_local().unwrap().is_shared()));
1388
1389 // Join that project as client B
1390 let project_b = Project::remote(
1391 project_id,
1392 client_b.clone(),
1393 client_b.user_store.clone(),
1394 lang_registry.clone(),
1395 fs.clone(),
1396 &mut cx_b.to_async(),
1397 )
1398 .await
1399 .unwrap();
1400 project_b
1401 .update(cx_b, |p, cx| p.open_buffer((worktree_id, "a.txt"), cx))
1402 .await
1403 .unwrap();
1404
1405 // Drop client A's connection. Collaborators should disappear and the project should not be shown as shared.
1406 server.disconnect_client(client_a.current_user_id(cx_a));
1407 cx_a.foreground().advance_clock(rpc::RECEIVE_TIMEOUT);
1408 project_a
1409 .condition(cx_a, |project, _| project.collaborators().is_empty())
1410 .await;
1411 project_a.read_with(cx_a, |project, _| assert!(!project.is_shared()));
1412 project_b
1413 .condition(cx_b, |project, _| project.is_read_only())
1414 .await;
1415 assert!(worktree_a.read_with(cx_a, |tree, _| !tree.as_local().unwrap().is_shared()));
1416 cx_b.update(|_| {
1417 drop(project_b);
1418 });
1419
1420 // Await reconnection
1421 let project_id = project_a.update(cx_a, |p, _| p.next_remote_id()).await;
1422
1423 // Share the project again and ensure guests can still join.
1424 project_a
1425 .update(cx_a, |project, cx| project.share(cx))
1426 .await
1427 .unwrap();
1428 assert!(worktree_a.read_with(cx_a, |tree, _| tree.as_local().unwrap().is_shared()));
1429
1430 let project_b2 = Project::remote(
1431 project_id,
1432 client_b.clone(),
1433 client_b.user_store.clone(),
1434 lang_registry.clone(),
1435 fs.clone(),
1436 &mut cx_b.to_async(),
1437 )
1438 .await
1439 .unwrap();
1440 project_b2
1441 .update(cx_b, |p, cx| p.open_buffer((worktree_id, "a.txt"), cx))
1442 .await
1443 .unwrap();
1444 }
1445
1446 #[gpui::test(iterations = 10)]
1447 async fn test_propagate_saves_and_fs_changes(
1448 cx_a: &mut TestAppContext,
1449 cx_b: &mut TestAppContext,
1450 cx_c: &mut TestAppContext,
1451 ) {
1452 let lang_registry = Arc::new(LanguageRegistry::test());
1453 let fs = FakeFs::new(cx_a.background());
1454 cx_a.foreground().forbid_parking();
1455
1456 // Connect to a server as 3 clients.
1457 let mut server = TestServer::start(cx_a.foreground(), cx_a.background()).await;
1458 let client_a = server.create_client(cx_a, "user_a").await;
1459 let client_b = server.create_client(cx_b, "user_b").await;
1460 let client_c = server.create_client(cx_c, "user_c").await;
1461
1462 // Share a worktree as client A.
1463 fs.insert_tree(
1464 "/a",
1465 json!({
1466 ".zed.toml": r#"collaborators = ["user_b", "user_c"]"#,
1467 "file1": "",
1468 "file2": ""
1469 }),
1470 )
1471 .await;
1472 let project_a = cx_a.update(|cx| {
1473 Project::local(
1474 client_a.clone(),
1475 client_a.user_store.clone(),
1476 lang_registry.clone(),
1477 fs.clone(),
1478 cx,
1479 )
1480 });
1481 let (worktree_a, _) = project_a
1482 .update(cx_a, |p, cx| {
1483 p.find_or_create_local_worktree("/a", true, cx)
1484 })
1485 .await
1486 .unwrap();
1487 worktree_a
1488 .read_with(cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
1489 .await;
1490 let project_id = project_a.update(cx_a, |p, _| p.next_remote_id()).await;
1491 let worktree_id = worktree_a.read_with(cx_a, |tree, _| tree.id());
1492 project_a.update(cx_a, |p, cx| p.share(cx)).await.unwrap();
1493
1494 // Join that worktree as clients B and C.
1495 let project_b = Project::remote(
1496 project_id,
1497 client_b.clone(),
1498 client_b.user_store.clone(),
1499 lang_registry.clone(),
1500 fs.clone(),
1501 &mut cx_b.to_async(),
1502 )
1503 .await
1504 .unwrap();
1505 let project_c = Project::remote(
1506 project_id,
1507 client_c.clone(),
1508 client_c.user_store.clone(),
1509 lang_registry.clone(),
1510 fs.clone(),
1511 &mut cx_c.to_async(),
1512 )
1513 .await
1514 .unwrap();
1515 let worktree_b = project_b.read_with(cx_b, |p, cx| p.worktrees(cx).next().unwrap());
1516 let worktree_c = project_c.read_with(cx_c, |p, cx| p.worktrees(cx).next().unwrap());
1517
1518 // Open and edit a buffer as both guests B and C.
1519 let buffer_b = project_b
1520 .update(cx_b, |p, cx| p.open_buffer((worktree_id, "file1"), cx))
1521 .await
1522 .unwrap();
1523 let buffer_c = project_c
1524 .update(cx_c, |p, cx| p.open_buffer((worktree_id, "file1"), cx))
1525 .await
1526 .unwrap();
1527 buffer_b.update(cx_b, |buf, cx| buf.edit([0..0], "i-am-b, ", cx));
1528 buffer_c.update(cx_c, |buf, cx| buf.edit([0..0], "i-am-c, ", cx));
1529
1530 // Open and edit that buffer as the host.
1531 let buffer_a = project_a
1532 .update(cx_a, |p, cx| p.open_buffer((worktree_id, "file1"), cx))
1533 .await
1534 .unwrap();
1535
1536 buffer_a
1537 .condition(cx_a, |buf, _| buf.text() == "i-am-c, i-am-b, ")
1538 .await;
1539 buffer_a.update(cx_a, |buf, cx| {
1540 buf.edit([buf.len()..buf.len()], "i-am-a", cx)
1541 });
1542
1543 // Wait for edits to propagate
1544 buffer_a
1545 .condition(cx_a, |buf, _| buf.text() == "i-am-c, i-am-b, i-am-a")
1546 .await;
1547 buffer_b
1548 .condition(cx_b, |buf, _| buf.text() == "i-am-c, i-am-b, i-am-a")
1549 .await;
1550 buffer_c
1551 .condition(cx_c, |buf, _| buf.text() == "i-am-c, i-am-b, i-am-a")
1552 .await;
1553
1554 // Edit the buffer as the host and concurrently save as guest B.
1555 let save_b = buffer_b.update(cx_b, |buf, cx| buf.save(cx));
1556 buffer_a.update(cx_a, |buf, cx| buf.edit([0..0], "hi-a, ", cx));
1557 save_b.await.unwrap();
1558 assert_eq!(
1559 fs.load("/a/file1".as_ref()).await.unwrap(),
1560 "hi-a, i-am-c, i-am-b, i-am-a"
1561 );
1562 buffer_a.read_with(cx_a, |buf, _| assert!(!buf.is_dirty()));
1563 buffer_b.read_with(cx_b, |buf, _| assert!(!buf.is_dirty()));
1564 buffer_c.condition(cx_c, |buf, _| !buf.is_dirty()).await;
1565
1566 worktree_a.flush_fs_events(cx_a).await;
1567
1568 // Make changes on host's file system, see those changes on guest worktrees.
1569 fs.rename(
1570 "/a/file1".as_ref(),
1571 "/a/file1-renamed".as_ref(),
1572 Default::default(),
1573 )
1574 .await
1575 .unwrap();
1576
1577 fs.rename("/a/file2".as_ref(), "/a/file3".as_ref(), Default::default())
1578 .await
1579 .unwrap();
1580 fs.insert_file(Path::new("/a/file4"), "4".into()).await;
1581
1582 worktree_a
1583 .condition(&cx_a, |tree, _| {
1584 tree.paths()
1585 .map(|p| p.to_string_lossy())
1586 .collect::<Vec<_>>()
1587 == [".zed.toml", "file1-renamed", "file3", "file4"]
1588 })
1589 .await;
1590 worktree_b
1591 .condition(&cx_b, |tree, _| {
1592 tree.paths()
1593 .map(|p| p.to_string_lossy())
1594 .collect::<Vec<_>>()
1595 == [".zed.toml", "file1-renamed", "file3", "file4"]
1596 })
1597 .await;
1598 worktree_c
1599 .condition(&cx_c, |tree, _| {
1600 tree.paths()
1601 .map(|p| p.to_string_lossy())
1602 .collect::<Vec<_>>()
1603 == [".zed.toml", "file1-renamed", "file3", "file4"]
1604 })
1605 .await;
1606
1607 // Ensure buffer files are updated as well.
1608 buffer_a
1609 .condition(&cx_a, |buf, _| {
1610 buf.file().unwrap().path().to_str() == Some("file1-renamed")
1611 })
1612 .await;
1613 buffer_b
1614 .condition(&cx_b, |buf, _| {
1615 buf.file().unwrap().path().to_str() == Some("file1-renamed")
1616 })
1617 .await;
1618 buffer_c
1619 .condition(&cx_c, |buf, _| {
1620 buf.file().unwrap().path().to_str() == Some("file1-renamed")
1621 })
1622 .await;
1623 }
1624
1625 #[gpui::test(iterations = 10)]
1626 async fn test_buffer_conflict_after_save(cx_a: &mut TestAppContext, cx_b: &mut TestAppContext) {
1627 cx_a.foreground().forbid_parking();
1628 let lang_registry = Arc::new(LanguageRegistry::test());
1629 let fs = FakeFs::new(cx_a.background());
1630
1631 // Connect to a server as 2 clients.
1632 let mut server = TestServer::start(cx_a.foreground(), cx_a.background()).await;
1633 let client_a = server.create_client(cx_a, "user_a").await;
1634 let client_b = server.create_client(cx_b, "user_b").await;
1635
1636 // Share a project as client A
1637 fs.insert_tree(
1638 "/dir",
1639 json!({
1640 ".zed.toml": r#"collaborators = ["user_b", "user_c"]"#,
1641 "a.txt": "a-contents",
1642 }),
1643 )
1644 .await;
1645
1646 let project_a = cx_a.update(|cx| {
1647 Project::local(
1648 client_a.clone(),
1649 client_a.user_store.clone(),
1650 lang_registry.clone(),
1651 fs.clone(),
1652 cx,
1653 )
1654 });
1655 let (worktree_a, _) = project_a
1656 .update(cx_a, |p, cx| {
1657 p.find_or_create_local_worktree("/dir", true, cx)
1658 })
1659 .await
1660 .unwrap();
1661 worktree_a
1662 .read_with(cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
1663 .await;
1664 let project_id = project_a.update(cx_a, |p, _| p.next_remote_id()).await;
1665 let worktree_id = worktree_a.read_with(cx_a, |tree, _| tree.id());
1666 project_a.update(cx_a, |p, cx| p.share(cx)).await.unwrap();
1667
1668 // Join that project as client B
1669 let project_b = Project::remote(
1670 project_id,
1671 client_b.clone(),
1672 client_b.user_store.clone(),
1673 lang_registry.clone(),
1674 fs.clone(),
1675 &mut cx_b.to_async(),
1676 )
1677 .await
1678 .unwrap();
1679
1680 // Open a buffer as client B
1681 let buffer_b = project_b
1682 .update(cx_b, |p, cx| p.open_buffer((worktree_id, "a.txt"), cx))
1683 .await
1684 .unwrap();
1685
1686 buffer_b.update(cx_b, |buf, cx| buf.edit([0..0], "world ", cx));
1687 buffer_b.read_with(cx_b, |buf, _| {
1688 assert!(buf.is_dirty());
1689 assert!(!buf.has_conflict());
1690 });
1691
1692 buffer_b.update(cx_b, |buf, cx| buf.save(cx)).await.unwrap();
1693 buffer_b
1694 .condition(&cx_b, |buffer_b, _| !buffer_b.is_dirty())
1695 .await;
1696 buffer_b.read_with(cx_b, |buf, _| {
1697 assert!(!buf.has_conflict());
1698 });
1699
1700 buffer_b.update(cx_b, |buf, cx| buf.edit([0..0], "hello ", cx));
1701 buffer_b.read_with(cx_b, |buf, _| {
1702 assert!(buf.is_dirty());
1703 assert!(!buf.has_conflict());
1704 });
1705 }
1706
1707 #[gpui::test(iterations = 10)]
1708 async fn test_buffer_reloading(cx_a: &mut TestAppContext, cx_b: &mut TestAppContext) {
1709 cx_a.foreground().forbid_parking();
1710 let lang_registry = Arc::new(LanguageRegistry::test());
1711 let fs = FakeFs::new(cx_a.background());
1712
1713 // Connect to a server as 2 clients.
1714 let mut server = TestServer::start(cx_a.foreground(), cx_a.background()).await;
1715 let client_a = server.create_client(cx_a, "user_a").await;
1716 let client_b = server.create_client(cx_b, "user_b").await;
1717
1718 // Share a project as client A
1719 fs.insert_tree(
1720 "/dir",
1721 json!({
1722 ".zed.toml": r#"collaborators = ["user_b", "user_c"]"#,
1723 "a.txt": "a-contents",
1724 }),
1725 )
1726 .await;
1727
1728 let project_a = cx_a.update(|cx| {
1729 Project::local(
1730 client_a.clone(),
1731 client_a.user_store.clone(),
1732 lang_registry.clone(),
1733 fs.clone(),
1734 cx,
1735 )
1736 });
1737 let (worktree_a, _) = project_a
1738 .update(cx_a, |p, cx| {
1739 p.find_or_create_local_worktree("/dir", true, cx)
1740 })
1741 .await
1742 .unwrap();
1743 worktree_a
1744 .read_with(cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
1745 .await;
1746 let project_id = project_a.update(cx_a, |p, _| p.next_remote_id()).await;
1747 let worktree_id = worktree_a.read_with(cx_a, |tree, _| tree.id());
1748 project_a.update(cx_a, |p, cx| p.share(cx)).await.unwrap();
1749
1750 // Join that project as client B
1751 let project_b = Project::remote(
1752 project_id,
1753 client_b.clone(),
1754 client_b.user_store.clone(),
1755 lang_registry.clone(),
1756 fs.clone(),
1757 &mut cx_b.to_async(),
1758 )
1759 .await
1760 .unwrap();
1761 let _worktree_b = project_b.update(cx_b, |p, cx| p.worktrees(cx).next().unwrap());
1762
1763 // Open a buffer as client B
1764 let buffer_b = project_b
1765 .update(cx_b, |p, cx| p.open_buffer((worktree_id, "a.txt"), cx))
1766 .await
1767 .unwrap();
1768 buffer_b.read_with(cx_b, |buf, _| {
1769 assert!(!buf.is_dirty());
1770 assert!(!buf.has_conflict());
1771 });
1772
1773 fs.save(Path::new("/dir/a.txt"), &"new contents".into())
1774 .await
1775 .unwrap();
1776 buffer_b
1777 .condition(&cx_b, |buf, _| {
1778 buf.text() == "new contents" && !buf.is_dirty()
1779 })
1780 .await;
1781 buffer_b.read_with(cx_b, |buf, _| {
1782 assert!(!buf.has_conflict());
1783 });
1784 }
1785
1786 #[gpui::test(iterations = 10)]
1787 async fn test_editing_while_guest_opens_buffer(
1788 cx_a: &mut TestAppContext,
1789 cx_b: &mut TestAppContext,
1790 ) {
1791 cx_a.foreground().forbid_parking();
1792 let lang_registry = Arc::new(LanguageRegistry::test());
1793 let fs = FakeFs::new(cx_a.background());
1794
1795 // Connect to a server as 2 clients.
1796 let mut server = TestServer::start(cx_a.foreground(), cx_a.background()).await;
1797 let client_a = server.create_client(cx_a, "user_a").await;
1798 let client_b = server.create_client(cx_b, "user_b").await;
1799
1800 // Share a project as client A
1801 fs.insert_tree(
1802 "/dir",
1803 json!({
1804 ".zed.toml": r#"collaborators = ["user_b"]"#,
1805 "a.txt": "a-contents",
1806 }),
1807 )
1808 .await;
1809 let project_a = cx_a.update(|cx| {
1810 Project::local(
1811 client_a.clone(),
1812 client_a.user_store.clone(),
1813 lang_registry.clone(),
1814 fs.clone(),
1815 cx,
1816 )
1817 });
1818 let (worktree_a, _) = project_a
1819 .update(cx_a, |p, cx| {
1820 p.find_or_create_local_worktree("/dir", true, cx)
1821 })
1822 .await
1823 .unwrap();
1824 worktree_a
1825 .read_with(cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
1826 .await;
1827 let project_id = project_a.update(cx_a, |p, _| p.next_remote_id()).await;
1828 let worktree_id = worktree_a.read_with(cx_a, |tree, _| tree.id());
1829 project_a.update(cx_a, |p, cx| p.share(cx)).await.unwrap();
1830
1831 // Join that project as client B
1832 let project_b = Project::remote(
1833 project_id,
1834 client_b.clone(),
1835 client_b.user_store.clone(),
1836 lang_registry.clone(),
1837 fs.clone(),
1838 &mut cx_b.to_async(),
1839 )
1840 .await
1841 .unwrap();
1842
1843 // Open a buffer as client A
1844 let buffer_a = project_a
1845 .update(cx_a, |p, cx| p.open_buffer((worktree_id, "a.txt"), cx))
1846 .await
1847 .unwrap();
1848
1849 // Start opening the same buffer as client B
1850 let buffer_b = cx_b
1851 .background()
1852 .spawn(project_b.update(cx_b, |p, cx| p.open_buffer((worktree_id, "a.txt"), cx)));
1853
1854 // Edit the buffer as client A while client B is still opening it.
1855 cx_b.background().simulate_random_delay().await;
1856 buffer_a.update(cx_a, |buf, cx| buf.edit([0..0], "X", cx));
1857 cx_b.background().simulate_random_delay().await;
1858 buffer_a.update(cx_a, |buf, cx| buf.edit([1..1], "Y", cx));
1859
1860 let text = buffer_a.read_with(cx_a, |buf, _| buf.text());
1861 let buffer_b = buffer_b.await.unwrap();
1862 buffer_b.condition(&cx_b, |buf, _| buf.text() == text).await;
1863 }
1864
1865 #[gpui::test(iterations = 10)]
1866 async fn test_leaving_worktree_while_opening_buffer(
1867 cx_a: &mut TestAppContext,
1868 cx_b: &mut TestAppContext,
1869 ) {
1870 cx_a.foreground().forbid_parking();
1871 let lang_registry = Arc::new(LanguageRegistry::test());
1872 let fs = FakeFs::new(cx_a.background());
1873
1874 // Connect to a server as 2 clients.
1875 let mut server = TestServer::start(cx_a.foreground(), cx_a.background()).await;
1876 let client_a = server.create_client(cx_a, "user_a").await;
1877 let client_b = server.create_client(cx_b, "user_b").await;
1878
1879 // Share a project as client A
1880 fs.insert_tree(
1881 "/dir",
1882 json!({
1883 ".zed.toml": r#"collaborators = ["user_b"]"#,
1884 "a.txt": "a-contents",
1885 }),
1886 )
1887 .await;
1888 let project_a = cx_a.update(|cx| {
1889 Project::local(
1890 client_a.clone(),
1891 client_a.user_store.clone(),
1892 lang_registry.clone(),
1893 fs.clone(),
1894 cx,
1895 )
1896 });
1897 let (worktree_a, _) = project_a
1898 .update(cx_a, |p, cx| {
1899 p.find_or_create_local_worktree("/dir", true, cx)
1900 })
1901 .await
1902 .unwrap();
1903 worktree_a
1904 .read_with(cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
1905 .await;
1906 let project_id = project_a.update(cx_a, |p, _| p.next_remote_id()).await;
1907 let worktree_id = worktree_a.read_with(cx_a, |tree, _| tree.id());
1908 project_a.update(cx_a, |p, cx| p.share(cx)).await.unwrap();
1909
1910 // Join that project as client B
1911 let project_b = Project::remote(
1912 project_id,
1913 client_b.clone(),
1914 client_b.user_store.clone(),
1915 lang_registry.clone(),
1916 fs.clone(),
1917 &mut cx_b.to_async(),
1918 )
1919 .await
1920 .unwrap();
1921
1922 // See that a guest has joined as client A.
1923 project_a
1924 .condition(&cx_a, |p, _| p.collaborators().len() == 1)
1925 .await;
1926
1927 // Begin opening a buffer as client B, but leave the project before the open completes.
1928 let buffer_b = cx_b
1929 .background()
1930 .spawn(project_b.update(cx_b, |p, cx| p.open_buffer((worktree_id, "a.txt"), cx)));
1931 cx_b.update(|_| drop(project_b));
1932 drop(buffer_b);
1933
1934 // See that the guest has left.
1935 project_a
1936 .condition(&cx_a, |p, _| p.collaborators().len() == 0)
1937 .await;
1938 }
1939
1940 #[gpui::test(iterations = 10)]
1941 async fn test_leaving_project(cx_a: &mut TestAppContext, cx_b: &mut TestAppContext) {
1942 cx_a.foreground().forbid_parking();
1943 let lang_registry = Arc::new(LanguageRegistry::test());
1944 let fs = FakeFs::new(cx_a.background());
1945
1946 // Connect to a server as 2 clients.
1947 let mut server = TestServer::start(cx_a.foreground(), cx_a.background()).await;
1948 let client_a = server.create_client(cx_a, "user_a").await;
1949 let client_b = server.create_client(cx_b, "user_b").await;
1950
1951 // Share a project as client A
1952 fs.insert_tree(
1953 "/a",
1954 json!({
1955 ".zed.toml": r#"collaborators = ["user_b"]"#,
1956 "a.txt": "a-contents",
1957 "b.txt": "b-contents",
1958 }),
1959 )
1960 .await;
1961 let project_a = cx_a.update(|cx| {
1962 Project::local(
1963 client_a.clone(),
1964 client_a.user_store.clone(),
1965 lang_registry.clone(),
1966 fs.clone(),
1967 cx,
1968 )
1969 });
1970 let (worktree_a, _) = project_a
1971 .update(cx_a, |p, cx| {
1972 p.find_or_create_local_worktree("/a", true, cx)
1973 })
1974 .await
1975 .unwrap();
1976 worktree_a
1977 .read_with(cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
1978 .await;
1979 let project_id = project_a
1980 .update(cx_a, |project, _| project.next_remote_id())
1981 .await;
1982 project_a
1983 .update(cx_a, |project, cx| project.share(cx))
1984 .await
1985 .unwrap();
1986
1987 // Join that project as client B
1988 let _project_b = Project::remote(
1989 project_id,
1990 client_b.clone(),
1991 client_b.user_store.clone(),
1992 lang_registry.clone(),
1993 fs.clone(),
1994 &mut cx_b.to_async(),
1995 )
1996 .await
1997 .unwrap();
1998
1999 // Client A sees that a guest has joined.
2000 project_a
2001 .condition(cx_a, |p, _| p.collaborators().len() == 1)
2002 .await;
2003
2004 // Drop client B's connection and ensure client A observes client B leaving the project.
2005 client_b.disconnect(&cx_b.to_async()).unwrap();
2006 project_a
2007 .condition(cx_a, |p, _| p.collaborators().len() == 0)
2008 .await;
2009
2010 // Rejoin the project as client B
2011 let _project_b = Project::remote(
2012 project_id,
2013 client_b.clone(),
2014 client_b.user_store.clone(),
2015 lang_registry.clone(),
2016 fs.clone(),
2017 &mut cx_b.to_async(),
2018 )
2019 .await
2020 .unwrap();
2021
2022 // Client A sees that a guest has re-joined.
2023 project_a
2024 .condition(cx_a, |p, _| p.collaborators().len() == 1)
2025 .await;
2026
2027 // Simulate connection loss for client B and ensure client A observes client B leaving the project.
2028 client_b.wait_for_current_user(cx_b).await;
2029 server.disconnect_client(client_b.current_user_id(cx_b));
2030 cx_a.foreground().advance_clock(Duration::from_secs(3));
2031 project_a
2032 .condition(cx_a, |p, _| p.collaborators().len() == 0)
2033 .await;
2034 }
2035
2036 #[gpui::test(iterations = 10)]
2037 async fn test_collaborating_with_diagnostics(
2038 cx_a: &mut TestAppContext,
2039 cx_b: &mut TestAppContext,
2040 ) {
2041 cx_a.foreground().forbid_parking();
2042 let lang_registry = Arc::new(LanguageRegistry::test());
2043 let fs = FakeFs::new(cx_a.background());
2044
2045 // Set up a fake language server.
2046 let mut language = Language::new(
2047 LanguageConfig {
2048 name: "Rust".into(),
2049 path_suffixes: vec!["rs".to_string()],
2050 ..Default::default()
2051 },
2052 Some(tree_sitter_rust::language()),
2053 );
2054 let mut fake_language_servers = language.set_fake_lsp_adapter(Default::default());
2055 lang_registry.add(Arc::new(language));
2056
2057 // Connect to a server as 2 clients.
2058 let mut server = TestServer::start(cx_a.foreground(), cx_a.background()).await;
2059 let client_a = server.create_client(cx_a, "user_a").await;
2060 let client_b = server.create_client(cx_b, "user_b").await;
2061
2062 // Share a project as client A
2063 fs.insert_tree(
2064 "/a",
2065 json!({
2066 ".zed.toml": r#"collaborators = ["user_b"]"#,
2067 "a.rs": "let one = two",
2068 "other.rs": "",
2069 }),
2070 )
2071 .await;
2072 let project_a = cx_a.update(|cx| {
2073 Project::local(
2074 client_a.clone(),
2075 client_a.user_store.clone(),
2076 lang_registry.clone(),
2077 fs.clone(),
2078 cx,
2079 )
2080 });
2081 let (worktree_a, _) = project_a
2082 .update(cx_a, |p, cx| {
2083 p.find_or_create_local_worktree("/a", true, cx)
2084 })
2085 .await
2086 .unwrap();
2087 worktree_a
2088 .read_with(cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
2089 .await;
2090 let project_id = project_a.update(cx_a, |p, _| p.next_remote_id()).await;
2091 let worktree_id = worktree_a.read_with(cx_a, |tree, _| tree.id());
2092 project_a.update(cx_a, |p, cx| p.share(cx)).await.unwrap();
2093
2094 // Cause the language server to start.
2095 let _ = cx_a
2096 .background()
2097 .spawn(project_a.update(cx_a, |project, cx| {
2098 project.open_buffer(
2099 ProjectPath {
2100 worktree_id,
2101 path: Path::new("other.rs").into(),
2102 },
2103 cx,
2104 )
2105 }))
2106 .await
2107 .unwrap();
2108
2109 // Simulate a language server reporting errors for a file.
2110 let mut fake_language_server = fake_language_servers.next().await.unwrap();
2111 fake_language_server
2112 .receive_notification::<lsp::notification::DidOpenTextDocument>()
2113 .await;
2114 fake_language_server.notify::<lsp::notification::PublishDiagnostics>(
2115 lsp::PublishDiagnosticsParams {
2116 uri: lsp::Url::from_file_path("/a/a.rs").unwrap(),
2117 version: None,
2118 diagnostics: vec![lsp::Diagnostic {
2119 severity: Some(lsp::DiagnosticSeverity::ERROR),
2120 range: lsp::Range::new(lsp::Position::new(0, 4), lsp::Position::new(0, 7)),
2121 message: "message 1".to_string(),
2122 ..Default::default()
2123 }],
2124 },
2125 );
2126
2127 // Wait for server to see the diagnostics update.
2128 server
2129 .condition(|store| {
2130 let worktree = store
2131 .project(project_id)
2132 .unwrap()
2133 .share
2134 .as_ref()
2135 .unwrap()
2136 .worktrees
2137 .get(&worktree_id.to_proto())
2138 .unwrap();
2139
2140 !worktree.diagnostic_summaries.is_empty()
2141 })
2142 .await;
2143
2144 // Join the worktree as client B.
2145 let project_b = Project::remote(
2146 project_id,
2147 client_b.clone(),
2148 client_b.user_store.clone(),
2149 lang_registry.clone(),
2150 fs.clone(),
2151 &mut cx_b.to_async(),
2152 )
2153 .await
2154 .unwrap();
2155
2156 project_b.read_with(cx_b, |project, cx| {
2157 assert_eq!(
2158 project.diagnostic_summaries(cx).collect::<Vec<_>>(),
2159 &[(
2160 ProjectPath {
2161 worktree_id,
2162 path: Arc::from(Path::new("a.rs")),
2163 },
2164 DiagnosticSummary {
2165 error_count: 1,
2166 warning_count: 0,
2167 ..Default::default()
2168 },
2169 )]
2170 )
2171 });
2172
2173 // Simulate a language server reporting more errors for a file.
2174 fake_language_server.notify::<lsp::notification::PublishDiagnostics>(
2175 lsp::PublishDiagnosticsParams {
2176 uri: lsp::Url::from_file_path("/a/a.rs").unwrap(),
2177 version: None,
2178 diagnostics: vec![
2179 lsp::Diagnostic {
2180 severity: Some(lsp::DiagnosticSeverity::ERROR),
2181 range: lsp::Range::new(lsp::Position::new(0, 4), lsp::Position::new(0, 7)),
2182 message: "message 1".to_string(),
2183 ..Default::default()
2184 },
2185 lsp::Diagnostic {
2186 severity: Some(lsp::DiagnosticSeverity::WARNING),
2187 range: lsp::Range::new(
2188 lsp::Position::new(0, 10),
2189 lsp::Position::new(0, 13),
2190 ),
2191 message: "message 2".to_string(),
2192 ..Default::default()
2193 },
2194 ],
2195 },
2196 );
2197
2198 // Client b gets the updated summaries
2199 project_b
2200 .condition(&cx_b, |project, cx| {
2201 project.diagnostic_summaries(cx).collect::<Vec<_>>()
2202 == &[(
2203 ProjectPath {
2204 worktree_id,
2205 path: Arc::from(Path::new("a.rs")),
2206 },
2207 DiagnosticSummary {
2208 error_count: 1,
2209 warning_count: 1,
2210 ..Default::default()
2211 },
2212 )]
2213 })
2214 .await;
2215
2216 // Open the file with the errors on client B. They should be present.
2217 let buffer_b = cx_b
2218 .background()
2219 .spawn(project_b.update(cx_b, |p, cx| p.open_buffer((worktree_id, "a.rs"), cx)))
2220 .await
2221 .unwrap();
2222
2223 buffer_b.read_with(cx_b, |buffer, _| {
2224 assert_eq!(
2225 buffer
2226 .snapshot()
2227 .diagnostics_in_range::<_, Point>(0..buffer.len(), false)
2228 .map(|entry| entry)
2229 .collect::<Vec<_>>(),
2230 &[
2231 DiagnosticEntry {
2232 range: Point::new(0, 4)..Point::new(0, 7),
2233 diagnostic: Diagnostic {
2234 group_id: 0,
2235 message: "message 1".to_string(),
2236 severity: lsp::DiagnosticSeverity::ERROR,
2237 is_primary: true,
2238 ..Default::default()
2239 }
2240 },
2241 DiagnosticEntry {
2242 range: Point::new(0, 10)..Point::new(0, 13),
2243 diagnostic: Diagnostic {
2244 group_id: 1,
2245 severity: lsp::DiagnosticSeverity::WARNING,
2246 message: "message 2".to_string(),
2247 is_primary: true,
2248 ..Default::default()
2249 }
2250 }
2251 ]
2252 );
2253 });
2254 }
2255
2256 #[gpui::test(iterations = 10)]
2257 async fn test_collaborating_with_completion(
2258 cx_a: &mut TestAppContext,
2259 cx_b: &mut TestAppContext,
2260 ) {
2261 cx_a.foreground().forbid_parking();
2262 let lang_registry = Arc::new(LanguageRegistry::test());
2263 let fs = FakeFs::new(cx_a.background());
2264
2265 // Set up a fake language server.
2266 let mut language = Language::new(
2267 LanguageConfig {
2268 name: "Rust".into(),
2269 path_suffixes: vec!["rs".to_string()],
2270 ..Default::default()
2271 },
2272 Some(tree_sitter_rust::language()),
2273 );
2274 let mut fake_language_servers = language.set_fake_lsp_adapter(FakeLspAdapter {
2275 capabilities: lsp::ServerCapabilities {
2276 completion_provider: Some(lsp::CompletionOptions {
2277 trigger_characters: Some(vec![".".to_string()]),
2278 ..Default::default()
2279 }),
2280 ..Default::default()
2281 },
2282 ..Default::default()
2283 });
2284 lang_registry.add(Arc::new(language));
2285
2286 // Connect to a server as 2 clients.
2287 let mut server = TestServer::start(cx_a.foreground(), cx_a.background()).await;
2288 let client_a = server.create_client(cx_a, "user_a").await;
2289 let client_b = server.create_client(cx_b, "user_b").await;
2290
2291 // Share a project as client A
2292 fs.insert_tree(
2293 "/a",
2294 json!({
2295 ".zed.toml": r#"collaborators = ["user_b"]"#,
2296 "main.rs": "fn main() { a }",
2297 "other.rs": "",
2298 }),
2299 )
2300 .await;
2301 let project_a = cx_a.update(|cx| {
2302 Project::local(
2303 client_a.clone(),
2304 client_a.user_store.clone(),
2305 lang_registry.clone(),
2306 fs.clone(),
2307 cx,
2308 )
2309 });
2310 let (worktree_a, _) = project_a
2311 .update(cx_a, |p, cx| {
2312 p.find_or_create_local_worktree("/a", true, cx)
2313 })
2314 .await
2315 .unwrap();
2316 worktree_a
2317 .read_with(cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
2318 .await;
2319 let project_id = project_a.update(cx_a, |p, _| p.next_remote_id()).await;
2320 let worktree_id = worktree_a.read_with(cx_a, |tree, _| tree.id());
2321 project_a.update(cx_a, |p, cx| p.share(cx)).await.unwrap();
2322
2323 // Join the worktree as client B.
2324 let project_b = Project::remote(
2325 project_id,
2326 client_b.clone(),
2327 client_b.user_store.clone(),
2328 lang_registry.clone(),
2329 fs.clone(),
2330 &mut cx_b.to_async(),
2331 )
2332 .await
2333 .unwrap();
2334
2335 // Open a file in an editor as the guest.
2336 let buffer_b = project_b
2337 .update(cx_b, |p, cx| p.open_buffer((worktree_id, "main.rs"), cx))
2338 .await
2339 .unwrap();
2340 let (window_b, _) = cx_b.add_window(|_| EmptyView);
2341 let editor_b = cx_b.add_view(window_b, |cx| {
2342 Editor::for_buffer(buffer_b.clone(), Some(project_b.clone()), cx)
2343 });
2344
2345 let mut fake_language_server = fake_language_servers.next().await.unwrap();
2346 buffer_b
2347 .condition(&cx_b, |buffer, _| !buffer.completion_triggers().is_empty())
2348 .await;
2349
2350 // Type a completion trigger character as the guest.
2351 editor_b.update(cx_b, |editor, cx| {
2352 editor.select_ranges([13..13], None, cx);
2353 editor.handle_input(&Input(".".into()), cx);
2354 cx.focus(&editor_b);
2355 });
2356
2357 // Receive a completion request as the host's language server.
2358 // Return some completions from the host's language server.
2359 cx_a.foreground().start_waiting();
2360 fake_language_server
2361 .handle_request::<lsp::request::Completion, _, _>(|params, _| async move {
2362 assert_eq!(
2363 params.text_document_position.text_document.uri,
2364 lsp::Url::from_file_path("/a/main.rs").unwrap(),
2365 );
2366 assert_eq!(
2367 params.text_document_position.position,
2368 lsp::Position::new(0, 14),
2369 );
2370
2371 Some(lsp::CompletionResponse::Array(vec![
2372 lsp::CompletionItem {
2373 label: "first_method(…)".into(),
2374 detail: Some("fn(&mut self, B) -> C".into()),
2375 text_edit: Some(lsp::CompletionTextEdit::Edit(lsp::TextEdit {
2376 new_text: "first_method($1)".to_string(),
2377 range: lsp::Range::new(
2378 lsp::Position::new(0, 14),
2379 lsp::Position::new(0, 14),
2380 ),
2381 })),
2382 insert_text_format: Some(lsp::InsertTextFormat::SNIPPET),
2383 ..Default::default()
2384 },
2385 lsp::CompletionItem {
2386 label: "second_method(…)".into(),
2387 detail: Some("fn(&mut self, C) -> D<E>".into()),
2388 text_edit: Some(lsp::CompletionTextEdit::Edit(lsp::TextEdit {
2389 new_text: "second_method()".to_string(),
2390 range: lsp::Range::new(
2391 lsp::Position::new(0, 14),
2392 lsp::Position::new(0, 14),
2393 ),
2394 })),
2395 insert_text_format: Some(lsp::InsertTextFormat::SNIPPET),
2396 ..Default::default()
2397 },
2398 ]))
2399 })
2400 .next()
2401 .await
2402 .unwrap();
2403 cx_a.foreground().finish_waiting();
2404
2405 // Open the buffer on the host.
2406 let buffer_a = project_a
2407 .update(cx_a, |p, cx| p.open_buffer((worktree_id, "main.rs"), cx))
2408 .await
2409 .unwrap();
2410 buffer_a
2411 .condition(&cx_a, |buffer, _| buffer.text() == "fn main() { a. }")
2412 .await;
2413
2414 // Confirm a completion on the guest.
2415 editor_b
2416 .condition(&cx_b, |editor, _| editor.context_menu_visible())
2417 .await;
2418 editor_b.update(cx_b, |editor, cx| {
2419 editor.confirm_completion(&ConfirmCompletion(Some(0)), cx);
2420 assert_eq!(editor.text(cx), "fn main() { a.first_method() }");
2421 });
2422
2423 // Return a resolved completion from the host's language server.
2424 // The resolved completion has an additional text edit.
2425 fake_language_server.handle_request::<lsp::request::ResolveCompletionItem, _, _>(
2426 |params, _| async move {
2427 assert_eq!(params.label, "first_method(…)");
2428 lsp::CompletionItem {
2429 label: "first_method(…)".into(),
2430 detail: Some("fn(&mut self, B) -> C".into()),
2431 text_edit: Some(lsp::CompletionTextEdit::Edit(lsp::TextEdit {
2432 new_text: "first_method($1)".to_string(),
2433 range: lsp::Range::new(
2434 lsp::Position::new(0, 14),
2435 lsp::Position::new(0, 14),
2436 ),
2437 })),
2438 additional_text_edits: Some(vec![lsp::TextEdit {
2439 new_text: "use d::SomeTrait;\n".to_string(),
2440 range: lsp::Range::new(lsp::Position::new(0, 0), lsp::Position::new(0, 0)),
2441 }]),
2442 insert_text_format: Some(lsp::InsertTextFormat::SNIPPET),
2443 ..Default::default()
2444 }
2445 },
2446 );
2447
2448 // The additional edit is applied.
2449 buffer_a
2450 .condition(&cx_a, |buffer, _| {
2451 buffer.text() == "use d::SomeTrait;\nfn main() { a.first_method() }"
2452 })
2453 .await;
2454 buffer_b
2455 .condition(&cx_b, |buffer, _| {
2456 buffer.text() == "use d::SomeTrait;\nfn main() { a.first_method() }"
2457 })
2458 .await;
2459 }
2460
2461 #[gpui::test(iterations = 10)]
2462 async fn test_formatting_buffer(cx_a: &mut TestAppContext, cx_b: &mut TestAppContext) {
2463 cx_a.foreground().forbid_parking();
2464 let lang_registry = Arc::new(LanguageRegistry::test());
2465 let fs = FakeFs::new(cx_a.background());
2466
2467 // Set up a fake language server.
2468 let mut language = Language::new(
2469 LanguageConfig {
2470 name: "Rust".into(),
2471 path_suffixes: vec!["rs".to_string()],
2472 ..Default::default()
2473 },
2474 Some(tree_sitter_rust::language()),
2475 );
2476 let mut fake_language_servers = language.set_fake_lsp_adapter(Default::default());
2477 lang_registry.add(Arc::new(language));
2478
2479 // Connect to a server as 2 clients.
2480 let mut server = TestServer::start(cx_a.foreground(), cx_a.background()).await;
2481 let client_a = server.create_client(cx_a, "user_a").await;
2482 let client_b = server.create_client(cx_b, "user_b").await;
2483
2484 // Share a project as client A
2485 fs.insert_tree(
2486 "/a",
2487 json!({
2488 ".zed.toml": r#"collaborators = ["user_b"]"#,
2489 "a.rs": "let one = two",
2490 }),
2491 )
2492 .await;
2493 let project_a = cx_a.update(|cx| {
2494 Project::local(
2495 client_a.clone(),
2496 client_a.user_store.clone(),
2497 lang_registry.clone(),
2498 fs.clone(),
2499 cx,
2500 )
2501 });
2502 let (worktree_a, _) = project_a
2503 .update(cx_a, |p, cx| {
2504 p.find_or_create_local_worktree("/a", true, cx)
2505 })
2506 .await
2507 .unwrap();
2508 worktree_a
2509 .read_with(cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
2510 .await;
2511 let project_id = project_a.update(cx_a, |p, _| p.next_remote_id()).await;
2512 let worktree_id = worktree_a.read_with(cx_a, |tree, _| tree.id());
2513 project_a.update(cx_a, |p, cx| p.share(cx)).await.unwrap();
2514
2515 // Join the worktree as client B.
2516 let project_b = Project::remote(
2517 project_id,
2518 client_b.clone(),
2519 client_b.user_store.clone(),
2520 lang_registry.clone(),
2521 fs.clone(),
2522 &mut cx_b.to_async(),
2523 )
2524 .await
2525 .unwrap();
2526
2527 let buffer_b = cx_b
2528 .background()
2529 .spawn(project_b.update(cx_b, |p, cx| p.open_buffer((worktree_id, "a.rs"), cx)))
2530 .await
2531 .unwrap();
2532
2533 let mut fake_language_server = fake_language_servers.next().await.unwrap();
2534 fake_language_server.handle_request::<lsp::request::Formatting, _, _>(|_, _| async move {
2535 Some(vec![
2536 lsp::TextEdit {
2537 range: lsp::Range::new(lsp::Position::new(0, 4), lsp::Position::new(0, 4)),
2538 new_text: "h".to_string(),
2539 },
2540 lsp::TextEdit {
2541 range: lsp::Range::new(lsp::Position::new(0, 7), lsp::Position::new(0, 7)),
2542 new_text: "y".to_string(),
2543 },
2544 ])
2545 });
2546
2547 project_b
2548 .update(cx_b, |project, cx| {
2549 project.format(HashSet::from_iter([buffer_b.clone()]), true, cx)
2550 })
2551 .await
2552 .unwrap();
2553 assert_eq!(
2554 buffer_b.read_with(cx_b, |buffer, _| buffer.text()),
2555 "let honey = two"
2556 );
2557 }
2558
2559 #[gpui::test(iterations = 10)]
2560 async fn test_definition(cx_a: &mut TestAppContext, cx_b: &mut TestAppContext) {
2561 cx_a.foreground().forbid_parking();
2562 let lang_registry = Arc::new(LanguageRegistry::test());
2563 let fs = FakeFs::new(cx_a.background());
2564 fs.insert_tree(
2565 "/root-1",
2566 json!({
2567 ".zed.toml": r#"collaborators = ["user_b"]"#,
2568 "a.rs": "const ONE: usize = b::TWO + b::THREE;",
2569 }),
2570 )
2571 .await;
2572 fs.insert_tree(
2573 "/root-2",
2574 json!({
2575 "b.rs": "const TWO: usize = 2;\nconst THREE: usize = 3;",
2576 }),
2577 )
2578 .await;
2579
2580 // Set up a fake language server.
2581 let mut language = Language::new(
2582 LanguageConfig {
2583 name: "Rust".into(),
2584 path_suffixes: vec!["rs".to_string()],
2585 ..Default::default()
2586 },
2587 Some(tree_sitter_rust::language()),
2588 );
2589 let mut fake_language_servers = language.set_fake_lsp_adapter(Default::default());
2590 lang_registry.add(Arc::new(language));
2591
2592 // Connect to a server as 2 clients.
2593 let mut server = TestServer::start(cx_a.foreground(), cx_a.background()).await;
2594 let client_a = server.create_client(cx_a, "user_a").await;
2595 let client_b = server.create_client(cx_b, "user_b").await;
2596
2597 // Share a project as client A
2598 let project_a = cx_a.update(|cx| {
2599 Project::local(
2600 client_a.clone(),
2601 client_a.user_store.clone(),
2602 lang_registry.clone(),
2603 fs.clone(),
2604 cx,
2605 )
2606 });
2607 let (worktree_a, _) = project_a
2608 .update(cx_a, |p, cx| {
2609 p.find_or_create_local_worktree("/root-1", true, cx)
2610 })
2611 .await
2612 .unwrap();
2613 worktree_a
2614 .read_with(cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
2615 .await;
2616 let project_id = project_a.update(cx_a, |p, _| p.next_remote_id()).await;
2617 let worktree_id = worktree_a.read_with(cx_a, |tree, _| tree.id());
2618 project_a.update(cx_a, |p, cx| p.share(cx)).await.unwrap();
2619
2620 // Join the worktree as client B.
2621 let project_b = Project::remote(
2622 project_id,
2623 client_b.clone(),
2624 client_b.user_store.clone(),
2625 lang_registry.clone(),
2626 fs.clone(),
2627 &mut cx_b.to_async(),
2628 )
2629 .await
2630 .unwrap();
2631
2632 // Open the file on client B.
2633 let buffer_b = cx_b
2634 .background()
2635 .spawn(project_b.update(cx_b, |p, cx| p.open_buffer((worktree_id, "a.rs"), cx)))
2636 .await
2637 .unwrap();
2638
2639 // Request the definition of a symbol as the guest.
2640 let mut fake_language_server = fake_language_servers.next().await.unwrap();
2641 fake_language_server.handle_request::<lsp::request::GotoDefinition, _, _>(
2642 |_, _| async move {
2643 Some(lsp::GotoDefinitionResponse::Scalar(lsp::Location::new(
2644 lsp::Url::from_file_path("/root-2/b.rs").unwrap(),
2645 lsp::Range::new(lsp::Position::new(0, 6), lsp::Position::new(0, 9)),
2646 )))
2647 },
2648 );
2649
2650 let definitions_1 = project_b
2651 .update(cx_b, |p, cx| p.definition(&buffer_b, 23, cx))
2652 .await
2653 .unwrap();
2654 cx_b.read(|cx| {
2655 assert_eq!(definitions_1.len(), 1);
2656 assert_eq!(project_b.read(cx).worktrees(cx).count(), 2);
2657 let target_buffer = definitions_1[0].buffer.read(cx);
2658 assert_eq!(
2659 target_buffer.text(),
2660 "const TWO: usize = 2;\nconst THREE: usize = 3;"
2661 );
2662 assert_eq!(
2663 definitions_1[0].range.to_point(target_buffer),
2664 Point::new(0, 6)..Point::new(0, 9)
2665 );
2666 });
2667
2668 // Try getting more definitions for the same buffer, ensuring the buffer gets reused from
2669 // the previous call to `definition`.
2670 fake_language_server.handle_request::<lsp::request::GotoDefinition, _, _>(
2671 |_, _| async move {
2672 Some(lsp::GotoDefinitionResponse::Scalar(lsp::Location::new(
2673 lsp::Url::from_file_path("/root-2/b.rs").unwrap(),
2674 lsp::Range::new(lsp::Position::new(1, 6), lsp::Position::new(1, 11)),
2675 )))
2676 },
2677 );
2678
2679 let definitions_2 = project_b
2680 .update(cx_b, |p, cx| p.definition(&buffer_b, 33, cx))
2681 .await
2682 .unwrap();
2683 cx_b.read(|cx| {
2684 assert_eq!(definitions_2.len(), 1);
2685 assert_eq!(project_b.read(cx).worktrees(cx).count(), 2);
2686 let target_buffer = definitions_2[0].buffer.read(cx);
2687 assert_eq!(
2688 target_buffer.text(),
2689 "const TWO: usize = 2;\nconst THREE: usize = 3;"
2690 );
2691 assert_eq!(
2692 definitions_2[0].range.to_point(target_buffer),
2693 Point::new(1, 6)..Point::new(1, 11)
2694 );
2695 });
2696 assert_eq!(definitions_1[0].buffer, definitions_2[0].buffer);
2697 }
2698
2699 #[gpui::test(iterations = 10)]
2700 async fn test_references(cx_a: &mut TestAppContext, cx_b: &mut TestAppContext) {
2701 cx_a.foreground().forbid_parking();
2702 let lang_registry = Arc::new(LanguageRegistry::test());
2703 let fs = FakeFs::new(cx_a.background());
2704 fs.insert_tree(
2705 "/root-1",
2706 json!({
2707 ".zed.toml": r#"collaborators = ["user_b"]"#,
2708 "one.rs": "const ONE: usize = 1;",
2709 "two.rs": "const TWO: usize = one::ONE + one::ONE;",
2710 }),
2711 )
2712 .await;
2713 fs.insert_tree(
2714 "/root-2",
2715 json!({
2716 "three.rs": "const THREE: usize = two::TWO + one::ONE;",
2717 }),
2718 )
2719 .await;
2720
2721 // Set up a fake language server.
2722 let mut language = Language::new(
2723 LanguageConfig {
2724 name: "Rust".into(),
2725 path_suffixes: vec!["rs".to_string()],
2726 ..Default::default()
2727 },
2728 Some(tree_sitter_rust::language()),
2729 );
2730 let mut fake_language_servers = language.set_fake_lsp_adapter(Default::default());
2731 lang_registry.add(Arc::new(language));
2732
2733 // Connect to a server as 2 clients.
2734 let mut server = TestServer::start(cx_a.foreground(), cx_a.background()).await;
2735 let client_a = server.create_client(cx_a, "user_a").await;
2736 let client_b = server.create_client(cx_b, "user_b").await;
2737
2738 // Share a project as client A
2739 let project_a = cx_a.update(|cx| {
2740 Project::local(
2741 client_a.clone(),
2742 client_a.user_store.clone(),
2743 lang_registry.clone(),
2744 fs.clone(),
2745 cx,
2746 )
2747 });
2748 let (worktree_a, _) = project_a
2749 .update(cx_a, |p, cx| {
2750 p.find_or_create_local_worktree("/root-1", true, cx)
2751 })
2752 .await
2753 .unwrap();
2754 worktree_a
2755 .read_with(cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
2756 .await;
2757 let project_id = project_a.update(cx_a, |p, _| p.next_remote_id()).await;
2758 let worktree_id = worktree_a.read_with(cx_a, |tree, _| tree.id());
2759 project_a.update(cx_a, |p, cx| p.share(cx)).await.unwrap();
2760
2761 // Join the worktree as client B.
2762 let project_b = Project::remote(
2763 project_id,
2764 client_b.clone(),
2765 client_b.user_store.clone(),
2766 lang_registry.clone(),
2767 fs.clone(),
2768 &mut cx_b.to_async(),
2769 )
2770 .await
2771 .unwrap();
2772
2773 // Open the file on client B.
2774 let buffer_b = cx_b
2775 .background()
2776 .spawn(project_b.update(cx_b, |p, cx| p.open_buffer((worktree_id, "one.rs"), cx)))
2777 .await
2778 .unwrap();
2779
2780 // Request references to a symbol as the guest.
2781 let mut fake_language_server = fake_language_servers.next().await.unwrap();
2782 fake_language_server.handle_request::<lsp::request::References, _, _>(
2783 |params, _| async move {
2784 assert_eq!(
2785 params.text_document_position.text_document.uri.as_str(),
2786 "file:///root-1/one.rs"
2787 );
2788 Some(vec![
2789 lsp::Location {
2790 uri: lsp::Url::from_file_path("/root-1/two.rs").unwrap(),
2791 range: lsp::Range::new(
2792 lsp::Position::new(0, 24),
2793 lsp::Position::new(0, 27),
2794 ),
2795 },
2796 lsp::Location {
2797 uri: lsp::Url::from_file_path("/root-1/two.rs").unwrap(),
2798 range: lsp::Range::new(
2799 lsp::Position::new(0, 35),
2800 lsp::Position::new(0, 38),
2801 ),
2802 },
2803 lsp::Location {
2804 uri: lsp::Url::from_file_path("/root-2/three.rs").unwrap(),
2805 range: lsp::Range::new(
2806 lsp::Position::new(0, 37),
2807 lsp::Position::new(0, 40),
2808 ),
2809 },
2810 ])
2811 },
2812 );
2813
2814 let references = project_b
2815 .update(cx_b, |p, cx| p.references(&buffer_b, 7, cx))
2816 .await
2817 .unwrap();
2818 cx_b.read(|cx| {
2819 assert_eq!(references.len(), 3);
2820 assert_eq!(project_b.read(cx).worktrees(cx).count(), 2);
2821
2822 let two_buffer = references[0].buffer.read(cx);
2823 let three_buffer = references[2].buffer.read(cx);
2824 assert_eq!(
2825 two_buffer.file().unwrap().path().as_ref(),
2826 Path::new("two.rs")
2827 );
2828 assert_eq!(references[1].buffer, references[0].buffer);
2829 assert_eq!(
2830 three_buffer.file().unwrap().full_path(cx),
2831 Path::new("three.rs")
2832 );
2833
2834 assert_eq!(references[0].range.to_offset(&two_buffer), 24..27);
2835 assert_eq!(references[1].range.to_offset(&two_buffer), 35..38);
2836 assert_eq!(references[2].range.to_offset(&three_buffer), 37..40);
2837 });
2838 }
2839
2840 #[gpui::test(iterations = 10)]
2841 async fn test_project_search(cx_a: &mut TestAppContext, cx_b: &mut TestAppContext) {
2842 cx_a.foreground().forbid_parking();
2843 let lang_registry = Arc::new(LanguageRegistry::test());
2844 let fs = FakeFs::new(cx_a.background());
2845 fs.insert_tree(
2846 "/root-1",
2847 json!({
2848 ".zed.toml": r#"collaborators = ["user_b"]"#,
2849 "a": "hello world",
2850 "b": "goodnight moon",
2851 "c": "a world of goo",
2852 "d": "world champion of clown world",
2853 }),
2854 )
2855 .await;
2856 fs.insert_tree(
2857 "/root-2",
2858 json!({
2859 "e": "disney world is fun",
2860 }),
2861 )
2862 .await;
2863
2864 // Connect to a server as 2 clients.
2865 let mut server = TestServer::start(cx_a.foreground(), cx_a.background()).await;
2866 let client_a = server.create_client(cx_a, "user_a").await;
2867 let client_b = server.create_client(cx_b, "user_b").await;
2868
2869 // Share a project as client A
2870 let project_a = cx_a.update(|cx| {
2871 Project::local(
2872 client_a.clone(),
2873 client_a.user_store.clone(),
2874 lang_registry.clone(),
2875 fs.clone(),
2876 cx,
2877 )
2878 });
2879 let project_id = project_a.update(cx_a, |p, _| p.next_remote_id()).await;
2880
2881 let (worktree_1, _) = project_a
2882 .update(cx_a, |p, cx| {
2883 p.find_or_create_local_worktree("/root-1", true, cx)
2884 })
2885 .await
2886 .unwrap();
2887 worktree_1
2888 .read_with(cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
2889 .await;
2890 let (worktree_2, _) = project_a
2891 .update(cx_a, |p, cx| {
2892 p.find_or_create_local_worktree("/root-2", true, cx)
2893 })
2894 .await
2895 .unwrap();
2896 worktree_2
2897 .read_with(cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
2898 .await;
2899
2900 project_a.update(cx_a, |p, cx| p.share(cx)).await.unwrap();
2901
2902 // Join the worktree as client B.
2903 let project_b = Project::remote(
2904 project_id,
2905 client_b.clone(),
2906 client_b.user_store.clone(),
2907 lang_registry.clone(),
2908 fs.clone(),
2909 &mut cx_b.to_async(),
2910 )
2911 .await
2912 .unwrap();
2913
2914 let results = project_b
2915 .update(cx_b, |project, cx| {
2916 project.search(SearchQuery::text("world", false, false), cx)
2917 })
2918 .await
2919 .unwrap();
2920
2921 let mut ranges_by_path = results
2922 .into_iter()
2923 .map(|(buffer, ranges)| {
2924 buffer.read_with(cx_b, |buffer, cx| {
2925 let path = buffer.file().unwrap().full_path(cx);
2926 let offset_ranges = ranges
2927 .into_iter()
2928 .map(|range| range.to_offset(buffer))
2929 .collect::<Vec<_>>();
2930 (path, offset_ranges)
2931 })
2932 })
2933 .collect::<Vec<_>>();
2934 ranges_by_path.sort_by_key(|(path, _)| path.clone());
2935
2936 assert_eq!(
2937 ranges_by_path,
2938 &[
2939 (PathBuf::from("root-1/a"), vec![6..11]),
2940 (PathBuf::from("root-1/c"), vec![2..7]),
2941 (PathBuf::from("root-1/d"), vec![0..5, 24..29]),
2942 (PathBuf::from("root-2/e"), vec![7..12]),
2943 ]
2944 );
2945 }
2946
2947 #[gpui::test(iterations = 10)]
2948 async fn test_document_highlights(cx_a: &mut TestAppContext, cx_b: &mut TestAppContext) {
2949 cx_a.foreground().forbid_parking();
2950 let lang_registry = Arc::new(LanguageRegistry::test());
2951 let fs = FakeFs::new(cx_a.background());
2952 fs.insert_tree(
2953 "/root-1",
2954 json!({
2955 ".zed.toml": r#"collaborators = ["user_b"]"#,
2956 "main.rs": "fn double(number: i32) -> i32 { number + number }",
2957 }),
2958 )
2959 .await;
2960
2961 // Set up a fake language server.
2962 let mut language = Language::new(
2963 LanguageConfig {
2964 name: "Rust".into(),
2965 path_suffixes: vec!["rs".to_string()],
2966 ..Default::default()
2967 },
2968 Some(tree_sitter_rust::language()),
2969 );
2970 let mut fake_language_servers = language.set_fake_lsp_adapter(Default::default());
2971 lang_registry.add(Arc::new(language));
2972
2973 // Connect to a server as 2 clients.
2974 let mut server = TestServer::start(cx_a.foreground(), cx_a.background()).await;
2975 let client_a = server.create_client(cx_a, "user_a").await;
2976 let client_b = server.create_client(cx_b, "user_b").await;
2977
2978 // Share a project as client A
2979 let project_a = cx_a.update(|cx| {
2980 Project::local(
2981 client_a.clone(),
2982 client_a.user_store.clone(),
2983 lang_registry.clone(),
2984 fs.clone(),
2985 cx,
2986 )
2987 });
2988 let (worktree_a, _) = project_a
2989 .update(cx_a, |p, cx| {
2990 p.find_or_create_local_worktree("/root-1", true, cx)
2991 })
2992 .await
2993 .unwrap();
2994 worktree_a
2995 .read_with(cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
2996 .await;
2997 let project_id = project_a.update(cx_a, |p, _| p.next_remote_id()).await;
2998 let worktree_id = worktree_a.read_with(cx_a, |tree, _| tree.id());
2999 project_a.update(cx_a, |p, cx| p.share(cx)).await.unwrap();
3000
3001 // Join the worktree as client B.
3002 let project_b = Project::remote(
3003 project_id,
3004 client_b.clone(),
3005 client_b.user_store.clone(),
3006 lang_registry.clone(),
3007 fs.clone(),
3008 &mut cx_b.to_async(),
3009 )
3010 .await
3011 .unwrap();
3012
3013 // Open the file on client B.
3014 let buffer_b = cx_b
3015 .background()
3016 .spawn(project_b.update(cx_b, |p, cx| p.open_buffer((worktree_id, "main.rs"), cx)))
3017 .await
3018 .unwrap();
3019
3020 // Request document highlights as the guest.
3021 let mut fake_language_server = fake_language_servers.next().await.unwrap();
3022 fake_language_server.handle_request::<lsp::request::DocumentHighlightRequest, _, _>(
3023 |params, _| async move {
3024 assert_eq!(
3025 params
3026 .text_document_position_params
3027 .text_document
3028 .uri
3029 .as_str(),
3030 "file:///root-1/main.rs"
3031 );
3032 assert_eq!(
3033 params.text_document_position_params.position,
3034 lsp::Position::new(0, 34)
3035 );
3036 Some(vec![
3037 lsp::DocumentHighlight {
3038 kind: Some(lsp::DocumentHighlightKind::WRITE),
3039 range: lsp::Range::new(
3040 lsp::Position::new(0, 10),
3041 lsp::Position::new(0, 16),
3042 ),
3043 },
3044 lsp::DocumentHighlight {
3045 kind: Some(lsp::DocumentHighlightKind::READ),
3046 range: lsp::Range::new(
3047 lsp::Position::new(0, 32),
3048 lsp::Position::new(0, 38),
3049 ),
3050 },
3051 lsp::DocumentHighlight {
3052 kind: Some(lsp::DocumentHighlightKind::READ),
3053 range: lsp::Range::new(
3054 lsp::Position::new(0, 41),
3055 lsp::Position::new(0, 47),
3056 ),
3057 },
3058 ])
3059 },
3060 );
3061
3062 let highlights = project_b
3063 .update(cx_b, |p, cx| p.document_highlights(&buffer_b, 34, cx))
3064 .await
3065 .unwrap();
3066 buffer_b.read_with(cx_b, |buffer, _| {
3067 let snapshot = buffer.snapshot();
3068
3069 let highlights = highlights
3070 .into_iter()
3071 .map(|highlight| (highlight.kind, highlight.range.to_offset(&snapshot)))
3072 .collect::<Vec<_>>();
3073 assert_eq!(
3074 highlights,
3075 &[
3076 (lsp::DocumentHighlightKind::WRITE, 10..16),
3077 (lsp::DocumentHighlightKind::READ, 32..38),
3078 (lsp::DocumentHighlightKind::READ, 41..47)
3079 ]
3080 )
3081 });
3082 }
3083
3084 #[gpui::test(iterations = 10)]
3085 async fn test_project_symbols(cx_a: &mut TestAppContext, cx_b: &mut TestAppContext) {
3086 cx_a.foreground().forbid_parking();
3087 let lang_registry = Arc::new(LanguageRegistry::test());
3088 let fs = FakeFs::new(cx_a.background());
3089 fs.insert_tree(
3090 "/code",
3091 json!({
3092 "crate-1": {
3093 ".zed.toml": r#"collaborators = ["user_b"]"#,
3094 "one.rs": "const ONE: usize = 1;",
3095 },
3096 "crate-2": {
3097 "two.rs": "const TWO: usize = 2; const THREE: usize = 3;",
3098 },
3099 "private": {
3100 "passwords.txt": "the-password",
3101 }
3102 }),
3103 )
3104 .await;
3105
3106 // Set up a fake language server.
3107 let mut language = Language::new(
3108 LanguageConfig {
3109 name: "Rust".into(),
3110 path_suffixes: vec!["rs".to_string()],
3111 ..Default::default()
3112 },
3113 Some(tree_sitter_rust::language()),
3114 );
3115 let mut fake_language_servers = language.set_fake_lsp_adapter(Default::default());
3116 lang_registry.add(Arc::new(language));
3117
3118 // Connect to a server as 2 clients.
3119 let mut server = TestServer::start(cx_a.foreground(), cx_a.background()).await;
3120 let client_a = server.create_client(cx_a, "user_a").await;
3121 let client_b = server.create_client(cx_b, "user_b").await;
3122
3123 // Share a project as client A
3124 let project_a = cx_a.update(|cx| {
3125 Project::local(
3126 client_a.clone(),
3127 client_a.user_store.clone(),
3128 lang_registry.clone(),
3129 fs.clone(),
3130 cx,
3131 )
3132 });
3133 let (worktree_a, _) = project_a
3134 .update(cx_a, |p, cx| {
3135 p.find_or_create_local_worktree("/code/crate-1", true, cx)
3136 })
3137 .await
3138 .unwrap();
3139 worktree_a
3140 .read_with(cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
3141 .await;
3142 let project_id = project_a.update(cx_a, |p, _| p.next_remote_id()).await;
3143 let worktree_id = worktree_a.read_with(cx_a, |tree, _| tree.id());
3144 project_a.update(cx_a, |p, cx| p.share(cx)).await.unwrap();
3145
3146 // Join the worktree as client B.
3147 let project_b = Project::remote(
3148 project_id,
3149 client_b.clone(),
3150 client_b.user_store.clone(),
3151 lang_registry.clone(),
3152 fs.clone(),
3153 &mut cx_b.to_async(),
3154 )
3155 .await
3156 .unwrap();
3157
3158 // Cause the language server to start.
3159 let _buffer = cx_b
3160 .background()
3161 .spawn(project_b.update(cx_b, |p, cx| p.open_buffer((worktree_id, "one.rs"), cx)))
3162 .await
3163 .unwrap();
3164
3165 let mut fake_language_server = fake_language_servers.next().await.unwrap();
3166 fake_language_server.handle_request::<lsp::request::WorkspaceSymbol, _, _>(
3167 |_, _| async move {
3168 #[allow(deprecated)]
3169 Some(vec![lsp::SymbolInformation {
3170 name: "TWO".into(),
3171 location: lsp::Location {
3172 uri: lsp::Url::from_file_path("/code/crate-2/two.rs").unwrap(),
3173 range: lsp::Range::new(lsp::Position::new(0, 6), lsp::Position::new(0, 9)),
3174 },
3175 kind: lsp::SymbolKind::CONSTANT,
3176 tags: None,
3177 container_name: None,
3178 deprecated: None,
3179 }])
3180 },
3181 );
3182
3183 // Request the definition of a symbol as the guest.
3184 let symbols = project_b
3185 .update(cx_b, |p, cx| p.symbols("two", cx))
3186 .await
3187 .unwrap();
3188 assert_eq!(symbols.len(), 1);
3189 assert_eq!(symbols[0].name, "TWO");
3190
3191 // Open one of the returned symbols.
3192 let buffer_b_2 = project_b
3193 .update(cx_b, |project, cx| {
3194 project.open_buffer_for_symbol(&symbols[0], cx)
3195 })
3196 .await
3197 .unwrap();
3198 buffer_b_2.read_with(cx_b, |buffer, _| {
3199 assert_eq!(
3200 buffer.file().unwrap().path().as_ref(),
3201 Path::new("../crate-2/two.rs")
3202 );
3203 });
3204
3205 // Attempt to craft a symbol and violate host's privacy by opening an arbitrary file.
3206 let mut fake_symbol = symbols[0].clone();
3207 fake_symbol.path = Path::new("/code/secrets").into();
3208 let error = project_b
3209 .update(cx_b, |project, cx| {
3210 project.open_buffer_for_symbol(&fake_symbol, cx)
3211 })
3212 .await
3213 .unwrap_err();
3214 assert!(error.to_string().contains("invalid symbol signature"));
3215 }
3216
3217 #[gpui::test(iterations = 10)]
3218 async fn test_open_buffer_while_getting_definition_pointing_to_it(
3219 cx_a: &mut TestAppContext,
3220 cx_b: &mut TestAppContext,
3221 mut rng: StdRng,
3222 ) {
3223 cx_a.foreground().forbid_parking();
3224 let lang_registry = Arc::new(LanguageRegistry::test());
3225 let fs = FakeFs::new(cx_a.background());
3226 fs.insert_tree(
3227 "/root",
3228 json!({
3229 ".zed.toml": r#"collaborators = ["user_b"]"#,
3230 "a.rs": "const ONE: usize = b::TWO;",
3231 "b.rs": "const TWO: usize = 2",
3232 }),
3233 )
3234 .await;
3235
3236 // Set up a fake language server.
3237 let mut language = Language::new(
3238 LanguageConfig {
3239 name: "Rust".into(),
3240 path_suffixes: vec!["rs".to_string()],
3241 ..Default::default()
3242 },
3243 Some(tree_sitter_rust::language()),
3244 );
3245 let mut fake_language_servers = language.set_fake_lsp_adapter(Default::default());
3246 lang_registry.add(Arc::new(language));
3247
3248 // Connect to a server as 2 clients.
3249 let mut server = TestServer::start(cx_a.foreground(), cx_a.background()).await;
3250 let client_a = server.create_client(cx_a, "user_a").await;
3251 let client_b = server.create_client(cx_b, "user_b").await;
3252
3253 // Share a project as client A
3254 let project_a = cx_a.update(|cx| {
3255 Project::local(
3256 client_a.clone(),
3257 client_a.user_store.clone(),
3258 lang_registry.clone(),
3259 fs.clone(),
3260 cx,
3261 )
3262 });
3263
3264 let (worktree_a, _) = project_a
3265 .update(cx_a, |p, cx| {
3266 p.find_or_create_local_worktree("/root", true, cx)
3267 })
3268 .await
3269 .unwrap();
3270 worktree_a
3271 .read_with(cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
3272 .await;
3273 let project_id = project_a.update(cx_a, |p, _| p.next_remote_id()).await;
3274 let worktree_id = worktree_a.read_with(cx_a, |tree, _| tree.id());
3275 project_a.update(cx_a, |p, cx| p.share(cx)).await.unwrap();
3276
3277 // Join the worktree as client B.
3278 let project_b = Project::remote(
3279 project_id,
3280 client_b.clone(),
3281 client_b.user_store.clone(),
3282 lang_registry.clone(),
3283 fs.clone(),
3284 &mut cx_b.to_async(),
3285 )
3286 .await
3287 .unwrap();
3288
3289 let buffer_b1 = cx_b
3290 .background()
3291 .spawn(project_b.update(cx_b, |p, cx| p.open_buffer((worktree_id, "a.rs"), cx)))
3292 .await
3293 .unwrap();
3294
3295 let mut fake_language_server = fake_language_servers.next().await.unwrap();
3296 fake_language_server.handle_request::<lsp::request::GotoDefinition, _, _>(
3297 |_, _| async move {
3298 Some(lsp::GotoDefinitionResponse::Scalar(lsp::Location::new(
3299 lsp::Url::from_file_path("/root/b.rs").unwrap(),
3300 lsp::Range::new(lsp::Position::new(0, 6), lsp::Position::new(0, 9)),
3301 )))
3302 },
3303 );
3304
3305 let definitions;
3306 let buffer_b2;
3307 if rng.gen() {
3308 definitions = project_b.update(cx_b, |p, cx| p.definition(&buffer_b1, 23, cx));
3309 buffer_b2 = project_b.update(cx_b, |p, cx| p.open_buffer((worktree_id, "b.rs"), cx));
3310 } else {
3311 buffer_b2 = project_b.update(cx_b, |p, cx| p.open_buffer((worktree_id, "b.rs"), cx));
3312 definitions = project_b.update(cx_b, |p, cx| p.definition(&buffer_b1, 23, cx));
3313 }
3314
3315 let buffer_b2 = buffer_b2.await.unwrap();
3316 let definitions = definitions.await.unwrap();
3317 assert_eq!(definitions.len(), 1);
3318 assert_eq!(definitions[0].buffer, buffer_b2);
3319 }
3320
3321 #[gpui::test(iterations = 10)]
3322 async fn test_collaborating_with_code_actions(
3323 cx_a: &mut TestAppContext,
3324 cx_b: &mut TestAppContext,
3325 ) {
3326 cx_a.foreground().forbid_parking();
3327 let lang_registry = Arc::new(LanguageRegistry::test());
3328 let fs = FakeFs::new(cx_a.background());
3329 cx_b.update(|cx| editor::init(cx));
3330
3331 // Set up a fake language server.
3332 let mut language = Language::new(
3333 LanguageConfig {
3334 name: "Rust".into(),
3335 path_suffixes: vec!["rs".to_string()],
3336 ..Default::default()
3337 },
3338 Some(tree_sitter_rust::language()),
3339 );
3340 let mut fake_language_servers = language.set_fake_lsp_adapter(Default::default());
3341 lang_registry.add(Arc::new(language));
3342
3343 // Connect to a server as 2 clients.
3344 let mut server = TestServer::start(cx_a.foreground(), cx_a.background()).await;
3345 let client_a = server.create_client(cx_a, "user_a").await;
3346 let client_b = server.create_client(cx_b, "user_b").await;
3347
3348 // Share a project as client A
3349 fs.insert_tree(
3350 "/a",
3351 json!({
3352 ".zed.toml": r#"collaborators = ["user_b"]"#,
3353 "main.rs": "mod other;\nfn main() { let foo = other::foo(); }",
3354 "other.rs": "pub fn foo() -> usize { 4 }",
3355 }),
3356 )
3357 .await;
3358 let project_a = cx_a.update(|cx| {
3359 Project::local(
3360 client_a.clone(),
3361 client_a.user_store.clone(),
3362 lang_registry.clone(),
3363 fs.clone(),
3364 cx,
3365 )
3366 });
3367 let (worktree_a, _) = project_a
3368 .update(cx_a, |p, cx| {
3369 p.find_or_create_local_worktree("/a", true, cx)
3370 })
3371 .await
3372 .unwrap();
3373 worktree_a
3374 .read_with(cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
3375 .await;
3376 let project_id = project_a.update(cx_a, |p, _| p.next_remote_id()).await;
3377 let worktree_id = worktree_a.read_with(cx_a, |tree, _| tree.id());
3378 project_a.update(cx_a, |p, cx| p.share(cx)).await.unwrap();
3379
3380 // Join the worktree as client B.
3381 let project_b = Project::remote(
3382 project_id,
3383 client_b.clone(),
3384 client_b.user_store.clone(),
3385 lang_registry.clone(),
3386 fs.clone(),
3387 &mut cx_b.to_async(),
3388 )
3389 .await
3390 .unwrap();
3391 let mut params = cx_b.update(WorkspaceParams::test);
3392 params.languages = lang_registry.clone();
3393 params.client = client_b.client.clone();
3394 params.user_store = client_b.user_store.clone();
3395 params.project = project_b;
3396
3397 let (_window_b, workspace_b) = cx_b.add_window(|cx| Workspace::new(¶ms, cx));
3398 let editor_b = workspace_b
3399 .update(cx_b, |workspace, cx| {
3400 workspace.open_path((worktree_id, "main.rs"), cx)
3401 })
3402 .await
3403 .unwrap()
3404 .downcast::<Editor>()
3405 .unwrap();
3406
3407 let mut fake_language_server = fake_language_servers.next().await.unwrap();
3408 fake_language_server
3409 .handle_request::<lsp::request::CodeActionRequest, _, _>(|params, _| async move {
3410 assert_eq!(
3411 params.text_document.uri,
3412 lsp::Url::from_file_path("/a/main.rs").unwrap(),
3413 );
3414 assert_eq!(params.range.start, lsp::Position::new(0, 0));
3415 assert_eq!(params.range.end, lsp::Position::new(0, 0));
3416 None
3417 })
3418 .next()
3419 .await;
3420
3421 // Move cursor to a location that contains code actions.
3422 editor_b.update(cx_b, |editor, cx| {
3423 editor.select_ranges([Point::new(1, 31)..Point::new(1, 31)], None, cx);
3424 cx.focus(&editor_b);
3425 });
3426
3427 fake_language_server
3428 .handle_request::<lsp::request::CodeActionRequest, _, _>(|params, _| async move {
3429 assert_eq!(
3430 params.text_document.uri,
3431 lsp::Url::from_file_path("/a/main.rs").unwrap(),
3432 );
3433 assert_eq!(params.range.start, lsp::Position::new(1, 31));
3434 assert_eq!(params.range.end, lsp::Position::new(1, 31));
3435
3436 Some(vec![lsp::CodeActionOrCommand::CodeAction(
3437 lsp::CodeAction {
3438 title: "Inline into all callers".to_string(),
3439 edit: Some(lsp::WorkspaceEdit {
3440 changes: Some(
3441 [
3442 (
3443 lsp::Url::from_file_path("/a/main.rs").unwrap(),
3444 vec![lsp::TextEdit::new(
3445 lsp::Range::new(
3446 lsp::Position::new(1, 22),
3447 lsp::Position::new(1, 34),
3448 ),
3449 "4".to_string(),
3450 )],
3451 ),
3452 (
3453 lsp::Url::from_file_path("/a/other.rs").unwrap(),
3454 vec![lsp::TextEdit::new(
3455 lsp::Range::new(
3456 lsp::Position::new(0, 0),
3457 lsp::Position::new(0, 27),
3458 ),
3459 "".to_string(),
3460 )],
3461 ),
3462 ]
3463 .into_iter()
3464 .collect(),
3465 ),
3466 ..Default::default()
3467 }),
3468 data: Some(json!({
3469 "codeActionParams": {
3470 "range": {
3471 "start": {"line": 1, "column": 31},
3472 "end": {"line": 1, "column": 31},
3473 }
3474 }
3475 })),
3476 ..Default::default()
3477 },
3478 )])
3479 })
3480 .next()
3481 .await;
3482
3483 // Toggle code actions and wait for them to display.
3484 editor_b.update(cx_b, |editor, cx| {
3485 editor.toggle_code_actions(&ToggleCodeActions(false), cx);
3486 });
3487 editor_b
3488 .condition(&cx_b, |editor, _| editor.context_menu_visible())
3489 .await;
3490
3491 fake_language_server.remove_request_handler::<lsp::request::CodeActionRequest>();
3492
3493 // Confirming the code action will trigger a resolve request.
3494 let confirm_action = workspace_b
3495 .update(cx_b, |workspace, cx| {
3496 Editor::confirm_code_action(workspace, &ConfirmCodeAction(Some(0)), cx)
3497 })
3498 .unwrap();
3499 fake_language_server.handle_request::<lsp::request::CodeActionResolveRequest, _, _>(
3500 |_, _| async move {
3501 lsp::CodeAction {
3502 title: "Inline into all callers".to_string(),
3503 edit: Some(lsp::WorkspaceEdit {
3504 changes: Some(
3505 [
3506 (
3507 lsp::Url::from_file_path("/a/main.rs").unwrap(),
3508 vec![lsp::TextEdit::new(
3509 lsp::Range::new(
3510 lsp::Position::new(1, 22),
3511 lsp::Position::new(1, 34),
3512 ),
3513 "4".to_string(),
3514 )],
3515 ),
3516 (
3517 lsp::Url::from_file_path("/a/other.rs").unwrap(),
3518 vec![lsp::TextEdit::new(
3519 lsp::Range::new(
3520 lsp::Position::new(0, 0),
3521 lsp::Position::new(0, 27),
3522 ),
3523 "".to_string(),
3524 )],
3525 ),
3526 ]
3527 .into_iter()
3528 .collect(),
3529 ),
3530 ..Default::default()
3531 }),
3532 ..Default::default()
3533 }
3534 },
3535 );
3536
3537 // After the action is confirmed, an editor containing both modified files is opened.
3538 confirm_action.await.unwrap();
3539 let code_action_editor = workspace_b.read_with(cx_b, |workspace, cx| {
3540 workspace
3541 .active_item(cx)
3542 .unwrap()
3543 .downcast::<Editor>()
3544 .unwrap()
3545 });
3546 code_action_editor.update(cx_b, |editor, cx| {
3547 assert_eq!(editor.text(cx), "\nmod other;\nfn main() { let foo = 4; }");
3548 editor.undo(&Undo, cx);
3549 assert_eq!(
3550 editor.text(cx),
3551 "pub fn foo() -> usize { 4 }\nmod other;\nfn main() { let foo = other::foo(); }"
3552 );
3553 editor.redo(&Redo, cx);
3554 assert_eq!(editor.text(cx), "\nmod other;\nfn main() { let foo = 4; }");
3555 });
3556 }
3557
3558 #[gpui::test(iterations = 10)]
3559 async fn test_collaborating_with_renames(cx_a: &mut TestAppContext, cx_b: &mut TestAppContext) {
3560 cx_a.foreground().forbid_parking();
3561 let lang_registry = Arc::new(LanguageRegistry::test());
3562 let fs = FakeFs::new(cx_a.background());
3563 cx_b.update(|cx| editor::init(cx));
3564
3565 // Set up a fake language server.
3566 let mut language = Language::new(
3567 LanguageConfig {
3568 name: "Rust".into(),
3569 path_suffixes: vec!["rs".to_string()],
3570 ..Default::default()
3571 },
3572 Some(tree_sitter_rust::language()),
3573 );
3574 let mut fake_language_servers = language.set_fake_lsp_adapter(Default::default());
3575 lang_registry.add(Arc::new(language));
3576
3577 // Connect to a server as 2 clients.
3578 let mut server = TestServer::start(cx_a.foreground(), cx_a.background()).await;
3579 let client_a = server.create_client(cx_a, "user_a").await;
3580 let client_b = server.create_client(cx_b, "user_b").await;
3581
3582 // Share a project as client A
3583 fs.insert_tree(
3584 "/dir",
3585 json!({
3586 ".zed.toml": r#"collaborators = ["user_b"]"#,
3587 "one.rs": "const ONE: usize = 1;",
3588 "two.rs": "const TWO: usize = one::ONE + one::ONE;"
3589 }),
3590 )
3591 .await;
3592 let project_a = cx_a.update(|cx| {
3593 Project::local(
3594 client_a.clone(),
3595 client_a.user_store.clone(),
3596 lang_registry.clone(),
3597 fs.clone(),
3598 cx,
3599 )
3600 });
3601 let (worktree_a, _) = project_a
3602 .update(cx_a, |p, cx| {
3603 p.find_or_create_local_worktree("/dir", true, cx)
3604 })
3605 .await
3606 .unwrap();
3607 worktree_a
3608 .read_with(cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
3609 .await;
3610 let project_id = project_a.update(cx_a, |p, _| p.next_remote_id()).await;
3611 let worktree_id = worktree_a.read_with(cx_a, |tree, _| tree.id());
3612 project_a.update(cx_a, |p, cx| p.share(cx)).await.unwrap();
3613
3614 // Join the worktree as client B.
3615 let project_b = Project::remote(
3616 project_id,
3617 client_b.clone(),
3618 client_b.user_store.clone(),
3619 lang_registry.clone(),
3620 fs.clone(),
3621 &mut cx_b.to_async(),
3622 )
3623 .await
3624 .unwrap();
3625 let mut params = cx_b.update(WorkspaceParams::test);
3626 params.languages = lang_registry.clone();
3627 params.client = client_b.client.clone();
3628 params.user_store = client_b.user_store.clone();
3629 params.project = project_b;
3630
3631 let (_window_b, workspace_b) = cx_b.add_window(|cx| Workspace::new(¶ms, cx));
3632 let editor_b = workspace_b
3633 .update(cx_b, |workspace, cx| {
3634 workspace.open_path((worktree_id, "one.rs"), cx)
3635 })
3636 .await
3637 .unwrap()
3638 .downcast::<Editor>()
3639 .unwrap();
3640 let mut fake_language_server = fake_language_servers.next().await.unwrap();
3641
3642 // Move cursor to a location that can be renamed.
3643 let prepare_rename = editor_b.update(cx_b, |editor, cx| {
3644 editor.select_ranges([7..7], None, cx);
3645 editor.rename(&Rename, cx).unwrap()
3646 });
3647
3648 fake_language_server
3649 .handle_request::<lsp::request::PrepareRenameRequest, _, _>(|params, _| async move {
3650 assert_eq!(params.text_document.uri.as_str(), "file:///dir/one.rs");
3651 assert_eq!(params.position, lsp::Position::new(0, 7));
3652 Some(lsp::PrepareRenameResponse::Range(lsp::Range::new(
3653 lsp::Position::new(0, 6),
3654 lsp::Position::new(0, 9),
3655 )))
3656 })
3657 .next()
3658 .await
3659 .unwrap();
3660 prepare_rename.await.unwrap();
3661 editor_b.update(cx_b, |editor, cx| {
3662 let rename = editor.pending_rename().unwrap();
3663 let buffer = editor.buffer().read(cx).snapshot(cx);
3664 assert_eq!(
3665 rename.range.start.to_offset(&buffer)..rename.range.end.to_offset(&buffer),
3666 6..9
3667 );
3668 rename.editor.update(cx, |rename_editor, cx| {
3669 rename_editor.buffer().update(cx, |rename_buffer, cx| {
3670 rename_buffer.edit([0..3], "THREE", cx);
3671 });
3672 });
3673 });
3674
3675 let confirm_rename = workspace_b.update(cx_b, |workspace, cx| {
3676 Editor::confirm_rename(workspace, &ConfirmRename, cx).unwrap()
3677 });
3678 fake_language_server
3679 .handle_request::<lsp::request::Rename, _, _>(|params, _| async move {
3680 assert_eq!(
3681 params.text_document_position.text_document.uri.as_str(),
3682 "file:///dir/one.rs"
3683 );
3684 assert_eq!(
3685 params.text_document_position.position,
3686 lsp::Position::new(0, 6)
3687 );
3688 assert_eq!(params.new_name, "THREE");
3689 Some(lsp::WorkspaceEdit {
3690 changes: Some(
3691 [
3692 (
3693 lsp::Url::from_file_path("/dir/one.rs").unwrap(),
3694 vec![lsp::TextEdit::new(
3695 lsp::Range::new(
3696 lsp::Position::new(0, 6),
3697 lsp::Position::new(0, 9),
3698 ),
3699 "THREE".to_string(),
3700 )],
3701 ),
3702 (
3703 lsp::Url::from_file_path("/dir/two.rs").unwrap(),
3704 vec![
3705 lsp::TextEdit::new(
3706 lsp::Range::new(
3707 lsp::Position::new(0, 24),
3708 lsp::Position::new(0, 27),
3709 ),
3710 "THREE".to_string(),
3711 ),
3712 lsp::TextEdit::new(
3713 lsp::Range::new(
3714 lsp::Position::new(0, 35),
3715 lsp::Position::new(0, 38),
3716 ),
3717 "THREE".to_string(),
3718 ),
3719 ],
3720 ),
3721 ]
3722 .into_iter()
3723 .collect(),
3724 ),
3725 ..Default::default()
3726 })
3727 })
3728 .next()
3729 .await
3730 .unwrap();
3731 confirm_rename.await.unwrap();
3732
3733 let rename_editor = workspace_b.read_with(cx_b, |workspace, cx| {
3734 workspace
3735 .active_item(cx)
3736 .unwrap()
3737 .downcast::<Editor>()
3738 .unwrap()
3739 });
3740 rename_editor.update(cx_b, |editor, cx| {
3741 assert_eq!(
3742 editor.text(cx),
3743 "const TWO: usize = one::THREE + one::THREE;\nconst THREE: usize = 1;"
3744 );
3745 editor.undo(&Undo, cx);
3746 assert_eq!(
3747 editor.text(cx),
3748 "const TWO: usize = one::ONE + one::ONE;\nconst ONE: usize = 1;"
3749 );
3750 editor.redo(&Redo, cx);
3751 assert_eq!(
3752 editor.text(cx),
3753 "const TWO: usize = one::THREE + one::THREE;\nconst THREE: usize = 1;"
3754 );
3755 });
3756
3757 // Ensure temporary rename edits cannot be undone/redone.
3758 editor_b.update(cx_b, |editor, cx| {
3759 editor.undo(&Undo, cx);
3760 assert_eq!(editor.text(cx), "const ONE: usize = 1;");
3761 editor.undo(&Undo, cx);
3762 assert_eq!(editor.text(cx), "const ONE: usize = 1;");
3763 editor.redo(&Redo, cx);
3764 assert_eq!(editor.text(cx), "const THREE: usize = 1;");
3765 })
3766 }
3767
3768 #[gpui::test(iterations = 10)]
3769 async fn test_basic_chat(cx_a: &mut TestAppContext, cx_b: &mut TestAppContext) {
3770 cx_a.foreground().forbid_parking();
3771
3772 // Connect to a server as 2 clients.
3773 let mut server = TestServer::start(cx_a.foreground(), cx_a.background()).await;
3774 let client_a = server.create_client(cx_a, "user_a").await;
3775 let client_b = server.create_client(cx_b, "user_b").await;
3776
3777 // Create an org that includes these 2 users.
3778 let db = &server.app_state.db;
3779 let org_id = db.create_org("Test Org", "test-org").await.unwrap();
3780 db.add_org_member(org_id, client_a.current_user_id(&cx_a), false)
3781 .await
3782 .unwrap();
3783 db.add_org_member(org_id, client_b.current_user_id(&cx_b), false)
3784 .await
3785 .unwrap();
3786
3787 // Create a channel that includes all the users.
3788 let channel_id = db.create_org_channel(org_id, "test-channel").await.unwrap();
3789 db.add_channel_member(channel_id, client_a.current_user_id(&cx_a), false)
3790 .await
3791 .unwrap();
3792 db.add_channel_member(channel_id, client_b.current_user_id(&cx_b), false)
3793 .await
3794 .unwrap();
3795 db.create_channel_message(
3796 channel_id,
3797 client_b.current_user_id(&cx_b),
3798 "hello A, it's B.",
3799 OffsetDateTime::now_utc(),
3800 1,
3801 )
3802 .await
3803 .unwrap();
3804
3805 let channels_a = cx_a
3806 .add_model(|cx| ChannelList::new(client_a.user_store.clone(), client_a.clone(), cx));
3807 channels_a
3808 .condition(cx_a, |list, _| list.available_channels().is_some())
3809 .await;
3810 channels_a.read_with(cx_a, |list, _| {
3811 assert_eq!(
3812 list.available_channels().unwrap(),
3813 &[ChannelDetails {
3814 id: channel_id.to_proto(),
3815 name: "test-channel".to_string()
3816 }]
3817 )
3818 });
3819 let channel_a = channels_a.update(cx_a, |this, cx| {
3820 this.get_channel(channel_id.to_proto(), cx).unwrap()
3821 });
3822 channel_a.read_with(cx_a, |channel, _| assert!(channel.messages().is_empty()));
3823 channel_a
3824 .condition(&cx_a, |channel, _| {
3825 channel_messages(channel)
3826 == [("user_b".to_string(), "hello A, it's B.".to_string(), false)]
3827 })
3828 .await;
3829
3830 let channels_b = cx_b
3831 .add_model(|cx| ChannelList::new(client_b.user_store.clone(), client_b.clone(), cx));
3832 channels_b
3833 .condition(cx_b, |list, _| list.available_channels().is_some())
3834 .await;
3835 channels_b.read_with(cx_b, |list, _| {
3836 assert_eq!(
3837 list.available_channels().unwrap(),
3838 &[ChannelDetails {
3839 id: channel_id.to_proto(),
3840 name: "test-channel".to_string()
3841 }]
3842 )
3843 });
3844
3845 let channel_b = channels_b.update(cx_b, |this, cx| {
3846 this.get_channel(channel_id.to_proto(), cx).unwrap()
3847 });
3848 channel_b.read_with(cx_b, |channel, _| assert!(channel.messages().is_empty()));
3849 channel_b
3850 .condition(&cx_b, |channel, _| {
3851 channel_messages(channel)
3852 == [("user_b".to_string(), "hello A, it's B.".to_string(), false)]
3853 })
3854 .await;
3855
3856 channel_a
3857 .update(cx_a, |channel, cx| {
3858 channel
3859 .send_message("oh, hi B.".to_string(), cx)
3860 .unwrap()
3861 .detach();
3862 let task = channel.send_message("sup".to_string(), cx).unwrap();
3863 assert_eq!(
3864 channel_messages(channel),
3865 &[
3866 ("user_b".to_string(), "hello A, it's B.".to_string(), false),
3867 ("user_a".to_string(), "oh, hi B.".to_string(), true),
3868 ("user_a".to_string(), "sup".to_string(), true)
3869 ]
3870 );
3871 task
3872 })
3873 .await
3874 .unwrap();
3875
3876 channel_b
3877 .condition(&cx_b, |channel, _| {
3878 channel_messages(channel)
3879 == [
3880 ("user_b".to_string(), "hello A, it's B.".to_string(), false),
3881 ("user_a".to_string(), "oh, hi B.".to_string(), false),
3882 ("user_a".to_string(), "sup".to_string(), false),
3883 ]
3884 })
3885 .await;
3886
3887 assert_eq!(
3888 server
3889 .state()
3890 .await
3891 .channel(channel_id)
3892 .unwrap()
3893 .connection_ids
3894 .len(),
3895 2
3896 );
3897 cx_b.update(|_| drop(channel_b));
3898 server
3899 .condition(|state| state.channel(channel_id).unwrap().connection_ids.len() == 1)
3900 .await;
3901
3902 cx_a.update(|_| drop(channel_a));
3903 server
3904 .condition(|state| state.channel(channel_id).is_none())
3905 .await;
3906 }
3907
3908 #[gpui::test(iterations = 10)]
3909 async fn test_chat_message_validation(cx_a: &mut TestAppContext) {
3910 cx_a.foreground().forbid_parking();
3911
3912 let mut server = TestServer::start(cx_a.foreground(), cx_a.background()).await;
3913 let client_a = server.create_client(cx_a, "user_a").await;
3914
3915 let db = &server.app_state.db;
3916 let org_id = db.create_org("Test Org", "test-org").await.unwrap();
3917 let channel_id = db.create_org_channel(org_id, "test-channel").await.unwrap();
3918 db.add_org_member(org_id, client_a.current_user_id(&cx_a), false)
3919 .await
3920 .unwrap();
3921 db.add_channel_member(channel_id, client_a.current_user_id(&cx_a), false)
3922 .await
3923 .unwrap();
3924
3925 let channels_a = cx_a
3926 .add_model(|cx| ChannelList::new(client_a.user_store.clone(), client_a.clone(), cx));
3927 channels_a
3928 .condition(cx_a, |list, _| list.available_channels().is_some())
3929 .await;
3930 let channel_a = channels_a.update(cx_a, |this, cx| {
3931 this.get_channel(channel_id.to_proto(), cx).unwrap()
3932 });
3933
3934 // Messages aren't allowed to be too long.
3935 channel_a
3936 .update(cx_a, |channel, cx| {
3937 let long_body = "this is long.\n".repeat(1024);
3938 channel.send_message(long_body, cx).unwrap()
3939 })
3940 .await
3941 .unwrap_err();
3942
3943 // Messages aren't allowed to be blank.
3944 channel_a.update(cx_a, |channel, cx| {
3945 channel.send_message(String::new(), cx).unwrap_err()
3946 });
3947
3948 // Leading and trailing whitespace are trimmed.
3949 channel_a
3950 .update(cx_a, |channel, cx| {
3951 channel
3952 .send_message("\n surrounded by whitespace \n".to_string(), cx)
3953 .unwrap()
3954 })
3955 .await
3956 .unwrap();
3957 assert_eq!(
3958 db.get_channel_messages(channel_id, 10, None)
3959 .await
3960 .unwrap()
3961 .iter()
3962 .map(|m| &m.body)
3963 .collect::<Vec<_>>(),
3964 &["surrounded by whitespace"]
3965 );
3966 }
3967
3968 #[gpui::test(iterations = 10)]
3969 async fn test_chat_reconnection(cx_a: &mut TestAppContext, cx_b: &mut TestAppContext) {
3970 cx_a.foreground().forbid_parking();
3971
3972 // Connect to a server as 2 clients.
3973 let mut server = TestServer::start(cx_a.foreground(), cx_a.background()).await;
3974 let client_a = server.create_client(cx_a, "user_a").await;
3975 let client_b = server.create_client(cx_b, "user_b").await;
3976 let mut status_b = client_b.status();
3977
3978 // Create an org that includes these 2 users.
3979 let db = &server.app_state.db;
3980 let org_id = db.create_org("Test Org", "test-org").await.unwrap();
3981 db.add_org_member(org_id, client_a.current_user_id(&cx_a), false)
3982 .await
3983 .unwrap();
3984 db.add_org_member(org_id, client_b.current_user_id(&cx_b), false)
3985 .await
3986 .unwrap();
3987
3988 // Create a channel that includes all the users.
3989 let channel_id = db.create_org_channel(org_id, "test-channel").await.unwrap();
3990 db.add_channel_member(channel_id, client_a.current_user_id(&cx_a), false)
3991 .await
3992 .unwrap();
3993 db.add_channel_member(channel_id, client_b.current_user_id(&cx_b), false)
3994 .await
3995 .unwrap();
3996 db.create_channel_message(
3997 channel_id,
3998 client_b.current_user_id(&cx_b),
3999 "hello A, it's B.",
4000 OffsetDateTime::now_utc(),
4001 2,
4002 )
4003 .await
4004 .unwrap();
4005
4006 let channels_a = cx_a
4007 .add_model(|cx| ChannelList::new(client_a.user_store.clone(), client_a.clone(), cx));
4008 channels_a
4009 .condition(cx_a, |list, _| list.available_channels().is_some())
4010 .await;
4011
4012 channels_a.read_with(cx_a, |list, _| {
4013 assert_eq!(
4014 list.available_channels().unwrap(),
4015 &[ChannelDetails {
4016 id: channel_id.to_proto(),
4017 name: "test-channel".to_string()
4018 }]
4019 )
4020 });
4021 let channel_a = channels_a.update(cx_a, |this, cx| {
4022 this.get_channel(channel_id.to_proto(), cx).unwrap()
4023 });
4024 channel_a.read_with(cx_a, |channel, _| assert!(channel.messages().is_empty()));
4025 channel_a
4026 .condition(&cx_a, |channel, _| {
4027 channel_messages(channel)
4028 == [("user_b".to_string(), "hello A, it's B.".to_string(), false)]
4029 })
4030 .await;
4031
4032 let channels_b = cx_b
4033 .add_model(|cx| ChannelList::new(client_b.user_store.clone(), client_b.clone(), cx));
4034 channels_b
4035 .condition(cx_b, |list, _| list.available_channels().is_some())
4036 .await;
4037 channels_b.read_with(cx_b, |list, _| {
4038 assert_eq!(
4039 list.available_channels().unwrap(),
4040 &[ChannelDetails {
4041 id: channel_id.to_proto(),
4042 name: "test-channel".to_string()
4043 }]
4044 )
4045 });
4046
4047 let channel_b = channels_b.update(cx_b, |this, cx| {
4048 this.get_channel(channel_id.to_proto(), cx).unwrap()
4049 });
4050 channel_b.read_with(cx_b, |channel, _| assert!(channel.messages().is_empty()));
4051 channel_b
4052 .condition(&cx_b, |channel, _| {
4053 channel_messages(channel)
4054 == [("user_b".to_string(), "hello A, it's B.".to_string(), false)]
4055 })
4056 .await;
4057
4058 // Disconnect client B, ensuring we can still access its cached channel data.
4059 server.forbid_connections();
4060 server.disconnect_client(client_b.current_user_id(&cx_b));
4061 cx_b.foreground().advance_clock(Duration::from_secs(3));
4062 while !matches!(
4063 status_b.next().await,
4064 Some(client::Status::ReconnectionError { .. })
4065 ) {}
4066
4067 channels_b.read_with(cx_b, |channels, _| {
4068 assert_eq!(
4069 channels.available_channels().unwrap(),
4070 [ChannelDetails {
4071 id: channel_id.to_proto(),
4072 name: "test-channel".to_string()
4073 }]
4074 )
4075 });
4076 channel_b.read_with(cx_b, |channel, _| {
4077 assert_eq!(
4078 channel_messages(channel),
4079 [("user_b".to_string(), "hello A, it's B.".to_string(), false)]
4080 )
4081 });
4082
4083 // Send a message from client B while it is disconnected.
4084 channel_b
4085 .update(cx_b, |channel, cx| {
4086 let task = channel
4087 .send_message("can you see this?".to_string(), cx)
4088 .unwrap();
4089 assert_eq!(
4090 channel_messages(channel),
4091 &[
4092 ("user_b".to_string(), "hello A, it's B.".to_string(), false),
4093 ("user_b".to_string(), "can you see this?".to_string(), true)
4094 ]
4095 );
4096 task
4097 })
4098 .await
4099 .unwrap_err();
4100
4101 // Send a message from client A while B is disconnected.
4102 channel_a
4103 .update(cx_a, |channel, cx| {
4104 channel
4105 .send_message("oh, hi B.".to_string(), cx)
4106 .unwrap()
4107 .detach();
4108 let task = channel.send_message("sup".to_string(), cx).unwrap();
4109 assert_eq!(
4110 channel_messages(channel),
4111 &[
4112 ("user_b".to_string(), "hello A, it's B.".to_string(), false),
4113 ("user_a".to_string(), "oh, hi B.".to_string(), true),
4114 ("user_a".to_string(), "sup".to_string(), true)
4115 ]
4116 );
4117 task
4118 })
4119 .await
4120 .unwrap();
4121
4122 // Give client B a chance to reconnect.
4123 server.allow_connections();
4124 cx_b.foreground().advance_clock(Duration::from_secs(10));
4125
4126 // Verify that B sees the new messages upon reconnection, as well as the message client B
4127 // sent while offline.
4128 channel_b
4129 .condition(&cx_b, |channel, _| {
4130 channel_messages(channel)
4131 == [
4132 ("user_b".to_string(), "hello A, it's B.".to_string(), false),
4133 ("user_a".to_string(), "oh, hi B.".to_string(), false),
4134 ("user_a".to_string(), "sup".to_string(), false),
4135 ("user_b".to_string(), "can you see this?".to_string(), false),
4136 ]
4137 })
4138 .await;
4139
4140 // Ensure client A and B can communicate normally after reconnection.
4141 channel_a
4142 .update(cx_a, |channel, cx| {
4143 channel.send_message("you online?".to_string(), cx).unwrap()
4144 })
4145 .await
4146 .unwrap();
4147 channel_b
4148 .condition(&cx_b, |channel, _| {
4149 channel_messages(channel)
4150 == [
4151 ("user_b".to_string(), "hello A, it's B.".to_string(), false),
4152 ("user_a".to_string(), "oh, hi B.".to_string(), false),
4153 ("user_a".to_string(), "sup".to_string(), false),
4154 ("user_b".to_string(), "can you see this?".to_string(), false),
4155 ("user_a".to_string(), "you online?".to_string(), false),
4156 ]
4157 })
4158 .await;
4159
4160 channel_b
4161 .update(cx_b, |channel, cx| {
4162 channel.send_message("yep".to_string(), cx).unwrap()
4163 })
4164 .await
4165 .unwrap();
4166 channel_a
4167 .condition(&cx_a, |channel, _| {
4168 channel_messages(channel)
4169 == [
4170 ("user_b".to_string(), "hello A, it's B.".to_string(), false),
4171 ("user_a".to_string(), "oh, hi B.".to_string(), false),
4172 ("user_a".to_string(), "sup".to_string(), false),
4173 ("user_b".to_string(), "can you see this?".to_string(), false),
4174 ("user_a".to_string(), "you online?".to_string(), false),
4175 ("user_b".to_string(), "yep".to_string(), false),
4176 ]
4177 })
4178 .await;
4179 }
4180
4181 #[gpui::test(iterations = 10)]
4182 async fn test_contacts(
4183 cx_a: &mut TestAppContext,
4184 cx_b: &mut TestAppContext,
4185 cx_c: &mut TestAppContext,
4186 ) {
4187 cx_a.foreground().forbid_parking();
4188 let lang_registry = Arc::new(LanguageRegistry::test());
4189 let fs = FakeFs::new(cx_a.background());
4190
4191 // Connect to a server as 3 clients.
4192 let mut server = TestServer::start(cx_a.foreground(), cx_a.background()).await;
4193 let client_a = server.create_client(cx_a, "user_a").await;
4194 let client_b = server.create_client(cx_b, "user_b").await;
4195 let client_c = server.create_client(cx_c, "user_c").await;
4196
4197 // Share a worktree as client A.
4198 fs.insert_tree(
4199 "/a",
4200 json!({
4201 ".zed.toml": r#"collaborators = ["user_b", "user_c"]"#,
4202 }),
4203 )
4204 .await;
4205
4206 let project_a = cx_a.update(|cx| {
4207 Project::local(
4208 client_a.clone(),
4209 client_a.user_store.clone(),
4210 lang_registry.clone(),
4211 fs.clone(),
4212 cx,
4213 )
4214 });
4215 let (worktree_a, _) = project_a
4216 .update(cx_a, |p, cx| {
4217 p.find_or_create_local_worktree("/a", true, cx)
4218 })
4219 .await
4220 .unwrap();
4221 worktree_a
4222 .read_with(cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
4223 .await;
4224
4225 client_a
4226 .user_store
4227 .condition(&cx_a, |user_store, _| {
4228 contacts(user_store) == vec![("user_a", vec![("a", vec![])])]
4229 })
4230 .await;
4231 client_b
4232 .user_store
4233 .condition(&cx_b, |user_store, _| {
4234 contacts(user_store) == vec![("user_a", vec![("a", vec![])])]
4235 })
4236 .await;
4237 client_c
4238 .user_store
4239 .condition(&cx_c, |user_store, _| {
4240 contacts(user_store) == vec![("user_a", vec![("a", vec![])])]
4241 })
4242 .await;
4243
4244 let project_id = project_a
4245 .update(cx_a, |project, _| project.next_remote_id())
4246 .await;
4247 project_a
4248 .update(cx_a, |project, cx| project.share(cx))
4249 .await
4250 .unwrap();
4251
4252 let _project_b = Project::remote(
4253 project_id,
4254 client_b.clone(),
4255 client_b.user_store.clone(),
4256 lang_registry.clone(),
4257 fs.clone(),
4258 &mut cx_b.to_async(),
4259 )
4260 .await
4261 .unwrap();
4262
4263 client_a
4264 .user_store
4265 .condition(&cx_a, |user_store, _| {
4266 contacts(user_store) == vec![("user_a", vec![("a", vec!["user_b"])])]
4267 })
4268 .await;
4269 client_b
4270 .user_store
4271 .condition(&cx_b, |user_store, _| {
4272 contacts(user_store) == vec![("user_a", vec![("a", vec!["user_b"])])]
4273 })
4274 .await;
4275 client_c
4276 .user_store
4277 .condition(&cx_c, |user_store, _| {
4278 contacts(user_store) == vec![("user_a", vec![("a", vec!["user_b"])])]
4279 })
4280 .await;
4281
4282 project_a
4283 .condition(&cx_a, |project, _| {
4284 project.collaborators().contains_key(&client_b.peer_id)
4285 })
4286 .await;
4287
4288 cx_a.update(move |_| drop(project_a));
4289 client_a
4290 .user_store
4291 .condition(&cx_a, |user_store, _| contacts(user_store) == vec![])
4292 .await;
4293 client_b
4294 .user_store
4295 .condition(&cx_b, |user_store, _| contacts(user_store) == vec![])
4296 .await;
4297 client_c
4298 .user_store
4299 .condition(&cx_c, |user_store, _| contacts(user_store) == vec![])
4300 .await;
4301
4302 fn contacts(user_store: &UserStore) -> Vec<(&str, Vec<(&str, Vec<&str>)>)> {
4303 user_store
4304 .contacts()
4305 .iter()
4306 .map(|contact| {
4307 let worktrees = contact
4308 .projects
4309 .iter()
4310 .map(|p| {
4311 (
4312 p.worktree_root_names[0].as_str(),
4313 p.guests.iter().map(|p| p.github_login.as_str()).collect(),
4314 )
4315 })
4316 .collect();
4317 (contact.user.github_login.as_str(), worktrees)
4318 })
4319 .collect()
4320 }
4321 }
4322
4323 #[gpui::test(iterations = 10)]
4324 async fn test_following(cx_a: &mut TestAppContext, cx_b: &mut TestAppContext) {
4325 cx_a.foreground().forbid_parking();
4326 let fs = FakeFs::new(cx_a.background());
4327
4328 // 2 clients connect to a server.
4329 let mut server = TestServer::start(cx_a.foreground(), cx_a.background()).await;
4330 let mut client_a = server.create_client(cx_a, "user_a").await;
4331 let mut client_b = server.create_client(cx_b, "user_b").await;
4332 cx_a.update(editor::init);
4333 cx_b.update(editor::init);
4334
4335 // Client A shares a project.
4336 fs.insert_tree(
4337 "/a",
4338 json!({
4339 ".zed.toml": r#"collaborators = ["user_b"]"#,
4340 "1.txt": "one",
4341 "2.txt": "two",
4342 "3.txt": "three",
4343 }),
4344 )
4345 .await;
4346 let (project_a, worktree_id) = client_a.build_local_project(fs.clone(), "/a", cx_a).await;
4347 project_a
4348 .update(cx_a, |project, cx| project.share(cx))
4349 .await
4350 .unwrap();
4351
4352 // Client B joins the project.
4353 let project_b = client_b
4354 .build_remote_project(
4355 project_a
4356 .read_with(cx_a, |project, _| project.remote_id())
4357 .unwrap(),
4358 cx_b,
4359 )
4360 .await;
4361
4362 // Client A opens some editors.
4363 let workspace_a = client_a.build_workspace(&project_a, cx_a);
4364 let pane_a = workspace_a.read_with(cx_a, |workspace, _| workspace.active_pane().clone());
4365 let editor_a1 = workspace_a
4366 .update(cx_a, |workspace, cx| {
4367 workspace.open_path((worktree_id, "1.txt"), cx)
4368 })
4369 .await
4370 .unwrap()
4371 .downcast::<Editor>()
4372 .unwrap();
4373 let editor_a2 = workspace_a
4374 .update(cx_a, |workspace, cx| {
4375 workspace.open_path((worktree_id, "2.txt"), cx)
4376 })
4377 .await
4378 .unwrap()
4379 .downcast::<Editor>()
4380 .unwrap();
4381
4382 // Client B opens an editor.
4383 let workspace_b = client_b.build_workspace(&project_b, cx_b);
4384 let editor_b1 = workspace_b
4385 .update(cx_b, |workspace, cx| {
4386 workspace.open_path((worktree_id, "1.txt"), cx)
4387 })
4388 .await
4389 .unwrap()
4390 .downcast::<Editor>()
4391 .unwrap();
4392
4393 let client_a_id = project_b.read_with(cx_b, |project, _| {
4394 project.collaborators().values().next().unwrap().peer_id
4395 });
4396 let client_b_id = project_a.read_with(cx_a, |project, _| {
4397 project.collaborators().values().next().unwrap().peer_id
4398 });
4399
4400 // When client B starts following client A, all visible view states are replicated to client B.
4401 editor_a1.update(cx_a, |editor, cx| editor.select_ranges([0..1], None, cx));
4402 editor_a2.update(cx_a, |editor, cx| editor.select_ranges([2..3], None, cx));
4403 workspace_b
4404 .update(cx_b, |workspace, cx| {
4405 workspace.toggle_follow(&client_a_id.into(), cx).unwrap()
4406 })
4407 .await
4408 .unwrap();
4409 let editor_b2 = workspace_b.read_with(cx_b, |workspace, cx| {
4410 workspace
4411 .active_item(cx)
4412 .unwrap()
4413 .downcast::<Editor>()
4414 .unwrap()
4415 });
4416 assert!(cx_b.read(|cx| editor_b2.is_focused(cx)));
4417 assert_eq!(
4418 editor_b2.read_with(cx_b, |editor, cx| editor.project_path(cx)),
4419 Some((worktree_id, "2.txt").into())
4420 );
4421 assert_eq!(
4422 editor_b2.read_with(cx_b, |editor, cx| editor.selected_ranges(cx)),
4423 vec![2..3]
4424 );
4425 assert_eq!(
4426 editor_b1.read_with(cx_b, |editor, cx| editor.selected_ranges(cx)),
4427 vec![0..1]
4428 );
4429
4430 // When client A activates a different editor, client B does so as well.
4431 workspace_a.update(cx_a, |workspace, cx| {
4432 workspace.activate_item(&editor_a1, cx)
4433 });
4434 workspace_b
4435 .condition(cx_b, |workspace, cx| {
4436 workspace.active_item(cx).unwrap().id() == editor_b1.id()
4437 })
4438 .await;
4439
4440 // Changes to client A's editor are reflected on client B.
4441 editor_a1.update(cx_a, |editor, cx| {
4442 editor.select_ranges([1..1, 2..2], None, cx);
4443 });
4444 editor_b1
4445 .condition(cx_b, |editor, cx| {
4446 editor.selected_ranges(cx) == vec![1..1, 2..2]
4447 })
4448 .await;
4449
4450 editor_a1.update(cx_a, |editor, cx| editor.set_text("TWO", cx));
4451 editor_b1
4452 .condition(cx_b, |editor, cx| editor.text(cx) == "TWO")
4453 .await;
4454
4455 editor_a1.update(cx_a, |editor, cx| {
4456 editor.select_ranges([3..3], None, cx);
4457 editor.set_scroll_position(vec2f(0., 100.), cx);
4458 });
4459 editor_b1
4460 .condition(cx_b, |editor, cx| editor.selected_ranges(cx) == vec![3..3])
4461 .await;
4462
4463 // After unfollowing, client B stops receiving updates from client A.
4464 workspace_b.update(cx_b, |workspace, cx| {
4465 workspace.unfollow(&workspace.active_pane().clone(), cx)
4466 });
4467 workspace_a.update(cx_a, |workspace, cx| {
4468 workspace.activate_item(&editor_a2, cx)
4469 });
4470 cx_a.foreground().run_until_parked();
4471 assert_eq!(
4472 workspace_b.read_with(cx_b, |workspace, cx| workspace
4473 .active_item(cx)
4474 .unwrap()
4475 .id()),
4476 editor_b1.id()
4477 );
4478
4479 // Client A starts following client B.
4480 workspace_a
4481 .update(cx_a, |workspace, cx| {
4482 workspace.toggle_follow(&client_b_id.into(), cx).unwrap()
4483 })
4484 .await
4485 .unwrap();
4486 assert_eq!(
4487 workspace_a.read_with(cx_a, |workspace, _| workspace.leader_for_pane(&pane_a)),
4488 Some(client_b_id)
4489 );
4490 assert_eq!(
4491 workspace_a.read_with(cx_a, |workspace, cx| workspace
4492 .active_item(cx)
4493 .unwrap()
4494 .id()),
4495 editor_a1.id()
4496 );
4497
4498 // Following interrupts when client B disconnects.
4499 client_b.disconnect(&cx_b.to_async()).unwrap();
4500 cx_a.foreground().run_until_parked();
4501 assert_eq!(
4502 workspace_a.read_with(cx_a, |workspace, _| workspace.leader_for_pane(&pane_a)),
4503 None
4504 );
4505 }
4506
4507 #[gpui::test(iterations = 10)]
4508 async fn test_peers_following_each_other(cx_a: &mut TestAppContext, cx_b: &mut TestAppContext) {
4509 cx_a.foreground().forbid_parking();
4510 let fs = FakeFs::new(cx_a.background());
4511
4512 // 2 clients connect to a server.
4513 let mut server = TestServer::start(cx_a.foreground(), cx_a.background()).await;
4514 let mut client_a = server.create_client(cx_a, "user_a").await;
4515 let mut client_b = server.create_client(cx_b, "user_b").await;
4516 cx_a.update(editor::init);
4517 cx_b.update(editor::init);
4518
4519 // Client A shares a project.
4520 fs.insert_tree(
4521 "/a",
4522 json!({
4523 ".zed.toml": r#"collaborators = ["user_b"]"#,
4524 "1.txt": "one",
4525 "2.txt": "two",
4526 "3.txt": "three",
4527 "4.txt": "four",
4528 }),
4529 )
4530 .await;
4531 let (project_a, worktree_id) = client_a.build_local_project(fs.clone(), "/a", cx_a).await;
4532 project_a
4533 .update(cx_a, |project, cx| project.share(cx))
4534 .await
4535 .unwrap();
4536
4537 // Client B joins the project.
4538 let project_b = client_b
4539 .build_remote_project(
4540 project_a
4541 .read_with(cx_a, |project, _| project.remote_id())
4542 .unwrap(),
4543 cx_b,
4544 )
4545 .await;
4546
4547 // Client A opens some editors.
4548 let workspace_a = client_a.build_workspace(&project_a, cx_a);
4549 let pane_a1 = workspace_a.read_with(cx_a, |workspace, _| workspace.active_pane().clone());
4550 let _editor_a1 = workspace_a
4551 .update(cx_a, |workspace, cx| {
4552 workspace.open_path((worktree_id, "1.txt"), cx)
4553 })
4554 .await
4555 .unwrap()
4556 .downcast::<Editor>()
4557 .unwrap();
4558
4559 // Client B opens an editor.
4560 let workspace_b = client_b.build_workspace(&project_b, cx_b);
4561 let pane_b1 = workspace_b.read_with(cx_b, |workspace, _| workspace.active_pane().clone());
4562 let _editor_b1 = workspace_b
4563 .update(cx_b, |workspace, cx| {
4564 workspace.open_path((worktree_id, "2.txt"), cx)
4565 })
4566 .await
4567 .unwrap()
4568 .downcast::<Editor>()
4569 .unwrap();
4570
4571 // Clients A and B follow each other in split panes
4572 workspace_a
4573 .update(cx_a, |workspace, cx| {
4574 workspace.split_pane(workspace.active_pane().clone(), SplitDirection::Right, cx);
4575 assert_ne!(*workspace.active_pane(), pane_a1);
4576 let leader_id = *project_a.read(cx).collaborators().keys().next().unwrap();
4577 workspace
4578 .toggle_follow(&workspace::ToggleFollow(leader_id), cx)
4579 .unwrap()
4580 })
4581 .await
4582 .unwrap();
4583 workspace_b
4584 .update(cx_b, |workspace, cx| {
4585 workspace.split_pane(workspace.active_pane().clone(), SplitDirection::Right, cx);
4586 assert_ne!(*workspace.active_pane(), pane_b1);
4587 let leader_id = *project_b.read(cx).collaborators().keys().next().unwrap();
4588 workspace
4589 .toggle_follow(&workspace::ToggleFollow(leader_id), cx)
4590 .unwrap()
4591 })
4592 .await
4593 .unwrap();
4594
4595 workspace_a
4596 .update(cx_a, |workspace, cx| {
4597 workspace.activate_next_pane(cx);
4598 assert_eq!(*workspace.active_pane(), pane_a1);
4599 workspace.open_path((worktree_id, "3.txt"), cx)
4600 })
4601 .await
4602 .unwrap();
4603 workspace_b
4604 .update(cx_b, |workspace, cx| {
4605 workspace.activate_next_pane(cx);
4606 assert_eq!(*workspace.active_pane(), pane_b1);
4607 workspace.open_path((worktree_id, "4.txt"), cx)
4608 })
4609 .await
4610 .unwrap();
4611 cx_a.foreground().run_until_parked();
4612
4613 // Ensure leader updates don't change the active pane of followers
4614 workspace_a.read_with(cx_a, |workspace, _| {
4615 assert_eq!(*workspace.active_pane(), pane_a1);
4616 });
4617 workspace_b.read_with(cx_b, |workspace, _| {
4618 assert_eq!(*workspace.active_pane(), pane_b1);
4619 });
4620
4621 // Ensure peers following each other doesn't cause an infinite loop.
4622 assert_eq!(
4623 workspace_a.read_with(cx_a, |workspace, cx| workspace
4624 .active_item(cx)
4625 .unwrap()
4626 .project_path(cx)),
4627 Some((worktree_id, "3.txt").into())
4628 );
4629 workspace_a.update(cx_a, |workspace, cx| {
4630 assert_eq!(
4631 workspace.active_item(cx).unwrap().project_path(cx),
4632 Some((worktree_id, "3.txt").into())
4633 );
4634 workspace.activate_next_pane(cx);
4635 assert_eq!(
4636 workspace.active_item(cx).unwrap().project_path(cx),
4637 Some((worktree_id, "4.txt").into())
4638 );
4639 });
4640 workspace_b.update(cx_b, |workspace, cx| {
4641 assert_eq!(
4642 workspace.active_item(cx).unwrap().project_path(cx),
4643 Some((worktree_id, "4.txt").into())
4644 );
4645 workspace.activate_next_pane(cx);
4646 assert_eq!(
4647 workspace.active_item(cx).unwrap().project_path(cx),
4648 Some((worktree_id, "3.txt").into())
4649 );
4650 });
4651 }
4652
4653 #[gpui::test(iterations = 10)]
4654 async fn test_auto_unfollowing(cx_a: &mut TestAppContext, cx_b: &mut TestAppContext) {
4655 cx_a.foreground().forbid_parking();
4656 let fs = FakeFs::new(cx_a.background());
4657
4658 // 2 clients connect to a server.
4659 let mut server = TestServer::start(cx_a.foreground(), cx_a.background()).await;
4660 let mut client_a = server.create_client(cx_a, "user_a").await;
4661 let mut client_b = server.create_client(cx_b, "user_b").await;
4662 cx_a.update(editor::init);
4663 cx_b.update(editor::init);
4664
4665 // Client A shares a project.
4666 fs.insert_tree(
4667 "/a",
4668 json!({
4669 ".zed.toml": r#"collaborators = ["user_b"]"#,
4670 "1.txt": "one",
4671 "2.txt": "two",
4672 "3.txt": "three",
4673 }),
4674 )
4675 .await;
4676 let (project_a, worktree_id) = client_a.build_local_project(fs.clone(), "/a", cx_a).await;
4677 project_a
4678 .update(cx_a, |project, cx| project.share(cx))
4679 .await
4680 .unwrap();
4681
4682 // Client B joins the project.
4683 let project_b = client_b
4684 .build_remote_project(
4685 project_a
4686 .read_with(cx_a, |project, _| project.remote_id())
4687 .unwrap(),
4688 cx_b,
4689 )
4690 .await;
4691
4692 // Client A opens some editors.
4693 let workspace_a = client_a.build_workspace(&project_a, cx_a);
4694 let _editor_a1 = workspace_a
4695 .update(cx_a, |workspace, cx| {
4696 workspace.open_path((worktree_id, "1.txt"), cx)
4697 })
4698 .await
4699 .unwrap()
4700 .downcast::<Editor>()
4701 .unwrap();
4702
4703 // Client B starts following client A.
4704 let workspace_b = client_b.build_workspace(&project_b, cx_b);
4705 let pane_b = workspace_b.read_with(cx_b, |workspace, _| workspace.active_pane().clone());
4706 let leader_id = project_b.read_with(cx_b, |project, _| {
4707 project.collaborators().values().next().unwrap().peer_id
4708 });
4709 workspace_b
4710 .update(cx_b, |workspace, cx| {
4711 workspace.toggle_follow(&leader_id.into(), cx).unwrap()
4712 })
4713 .await
4714 .unwrap();
4715 assert_eq!(
4716 workspace_b.read_with(cx_b, |workspace, _| workspace.leader_for_pane(&pane_b)),
4717 Some(leader_id)
4718 );
4719 let editor_b2 = workspace_b.read_with(cx_b, |workspace, cx| {
4720 workspace
4721 .active_item(cx)
4722 .unwrap()
4723 .downcast::<Editor>()
4724 .unwrap()
4725 });
4726
4727 // When client B moves, it automatically stops following client A.
4728 editor_b2.update(cx_b, |editor, cx| editor.move_right(&editor::MoveRight, cx));
4729 assert_eq!(
4730 workspace_b.read_with(cx_b, |workspace, _| workspace.leader_for_pane(&pane_b)),
4731 None
4732 );
4733
4734 workspace_b
4735 .update(cx_b, |workspace, cx| {
4736 workspace.toggle_follow(&leader_id.into(), cx).unwrap()
4737 })
4738 .await
4739 .unwrap();
4740 assert_eq!(
4741 workspace_b.read_with(cx_b, |workspace, _| workspace.leader_for_pane(&pane_b)),
4742 Some(leader_id)
4743 );
4744
4745 // When client B edits, it automatically stops following client A.
4746 editor_b2.update(cx_b, |editor, cx| editor.insert("X", cx));
4747 assert_eq!(
4748 workspace_b.read_with(cx_b, |workspace, _| workspace.leader_for_pane(&pane_b)),
4749 None
4750 );
4751
4752 workspace_b
4753 .update(cx_b, |workspace, cx| {
4754 workspace.toggle_follow(&leader_id.into(), cx).unwrap()
4755 })
4756 .await
4757 .unwrap();
4758 assert_eq!(
4759 workspace_b.read_with(cx_b, |workspace, _| workspace.leader_for_pane(&pane_b)),
4760 Some(leader_id)
4761 );
4762
4763 // When client B scrolls, it automatically stops following client A.
4764 editor_b2.update(cx_b, |editor, cx| {
4765 editor.set_scroll_position(vec2f(0., 3.), cx)
4766 });
4767 assert_eq!(
4768 workspace_b.read_with(cx_b, |workspace, _| workspace.leader_for_pane(&pane_b)),
4769 None
4770 );
4771
4772 workspace_b
4773 .update(cx_b, |workspace, cx| {
4774 workspace.toggle_follow(&leader_id.into(), cx).unwrap()
4775 })
4776 .await
4777 .unwrap();
4778 assert_eq!(
4779 workspace_b.read_with(cx_b, |workspace, _| workspace.leader_for_pane(&pane_b)),
4780 Some(leader_id)
4781 );
4782
4783 // When client B activates a different pane, it continues following client A in the original pane.
4784 workspace_b.update(cx_b, |workspace, cx| {
4785 workspace.split_pane(pane_b.clone(), SplitDirection::Right, cx)
4786 });
4787 assert_eq!(
4788 workspace_b.read_with(cx_b, |workspace, _| workspace.leader_for_pane(&pane_b)),
4789 Some(leader_id)
4790 );
4791
4792 workspace_b.update(cx_b, |workspace, cx| workspace.activate_next_pane(cx));
4793 assert_eq!(
4794 workspace_b.read_with(cx_b, |workspace, _| workspace.leader_for_pane(&pane_b)),
4795 Some(leader_id)
4796 );
4797
4798 // When client B activates a different item in the original pane, it automatically stops following client A.
4799 workspace_b
4800 .update(cx_b, |workspace, cx| {
4801 workspace.open_path((worktree_id, "2.txt"), cx)
4802 })
4803 .await
4804 .unwrap();
4805 assert_eq!(
4806 workspace_b.read_with(cx_b, |workspace, _| workspace.leader_for_pane(&pane_b)),
4807 None
4808 );
4809 }
4810
4811 #[gpui::test(iterations = 100)]
4812 async fn test_random_collaboration(cx: &mut TestAppContext, rng: StdRng) {
4813 cx.foreground().forbid_parking();
4814 let max_peers = env::var("MAX_PEERS")
4815 .map(|i| i.parse().expect("invalid `MAX_PEERS` variable"))
4816 .unwrap_or(5);
4817 let max_operations = env::var("OPERATIONS")
4818 .map(|i| i.parse().expect("invalid `OPERATIONS` variable"))
4819 .unwrap_or(10);
4820
4821 let rng = Arc::new(Mutex::new(rng));
4822
4823 let guest_lang_registry = Arc::new(LanguageRegistry::test());
4824 let host_language_registry = Arc::new(LanguageRegistry::test());
4825
4826 let fs = FakeFs::new(cx.background());
4827 fs.insert_tree(
4828 "/_collab",
4829 json!({
4830 ".zed.toml": r#"collaborators = ["guest-1", "guest-2", "guest-3", "guest-4", "guest-5"]"#
4831 }),
4832 )
4833 .await;
4834
4835 let operations = Rc::new(Cell::new(0));
4836 let mut server = TestServer::start(cx.foreground(), cx.background()).await;
4837 let mut clients = Vec::new();
4838 let files = Arc::new(Mutex::new(Vec::new()));
4839
4840 let mut next_entity_id = 100000;
4841 let mut host_cx = TestAppContext::new(
4842 cx.foreground_platform(),
4843 cx.platform(),
4844 cx.foreground(),
4845 cx.background(),
4846 cx.font_cache(),
4847 cx.leak_detector(),
4848 next_entity_id,
4849 );
4850 let host = server.create_client(&mut host_cx, "host").await;
4851 let host_project = host_cx.update(|cx| {
4852 Project::local(
4853 host.client.clone(),
4854 host.user_store.clone(),
4855 host_language_registry.clone(),
4856 fs.clone(),
4857 cx,
4858 )
4859 });
4860 let host_project_id = host_project
4861 .update(&mut host_cx, |p, _| p.next_remote_id())
4862 .await;
4863
4864 let (collab_worktree, _) = host_project
4865 .update(&mut host_cx, |project, cx| {
4866 project.find_or_create_local_worktree("/_collab", true, cx)
4867 })
4868 .await
4869 .unwrap();
4870 collab_worktree
4871 .read_with(&host_cx, |tree, _| tree.as_local().unwrap().scan_complete())
4872 .await;
4873 host_project
4874 .update(&mut host_cx, |project, cx| project.share(cx))
4875 .await
4876 .unwrap();
4877
4878 // Set up fake language servers.
4879 let mut language = Language::new(
4880 LanguageConfig {
4881 name: "Rust".into(),
4882 path_suffixes: vec!["rs".to_string()],
4883 ..Default::default()
4884 },
4885 None,
4886 );
4887 let _fake_servers = language.set_fake_lsp_adapter(FakeLspAdapter {
4888 name: "the-fake-language-server",
4889 capabilities: lsp::LanguageServer::full_capabilities(),
4890 initializer: Some(Box::new({
4891 let rng = rng.clone();
4892 let files = files.clone();
4893 let project = host_project.downgrade();
4894 move |fake_server: &mut FakeLanguageServer| {
4895 fake_server.handle_request::<lsp::request::Completion, _, _>(
4896 |_, _| async move {
4897 Some(lsp::CompletionResponse::Array(vec![lsp::CompletionItem {
4898 text_edit: Some(lsp::CompletionTextEdit::Edit(lsp::TextEdit {
4899 range: lsp::Range::new(
4900 lsp::Position::new(0, 0),
4901 lsp::Position::new(0, 0),
4902 ),
4903 new_text: "the-new-text".to_string(),
4904 })),
4905 ..Default::default()
4906 }]))
4907 },
4908 );
4909
4910 fake_server.handle_request::<lsp::request::CodeActionRequest, _, _>(
4911 |_, _| async move {
4912 Some(vec![lsp::CodeActionOrCommand::CodeAction(
4913 lsp::CodeAction {
4914 title: "the-code-action".to_string(),
4915 ..Default::default()
4916 },
4917 )])
4918 },
4919 );
4920
4921 fake_server.handle_request::<lsp::request::PrepareRenameRequest, _, _>(
4922 |params, _| async move {
4923 Some(lsp::PrepareRenameResponse::Range(lsp::Range::new(
4924 params.position,
4925 params.position,
4926 )))
4927 },
4928 );
4929
4930 fake_server.handle_request::<lsp::request::GotoDefinition, _, _>({
4931 let files = files.clone();
4932 let rng = rng.clone();
4933 move |_, _| {
4934 let files = files.clone();
4935 let rng = rng.clone();
4936 async move {
4937 let files = files.lock();
4938 let mut rng = rng.lock();
4939 let count = rng.gen_range::<usize, _>(1..3);
4940 let files = (0..count)
4941 .map(|_| files.choose(&mut *rng).unwrap())
4942 .collect::<Vec<_>>();
4943 log::info!("LSP: Returning definitions in files {:?}", &files);
4944 Some(lsp::GotoDefinitionResponse::Array(
4945 files
4946 .into_iter()
4947 .map(|file| lsp::Location {
4948 uri: lsp::Url::from_file_path(file).unwrap(),
4949 range: Default::default(),
4950 })
4951 .collect(),
4952 ))
4953 }
4954 }
4955 });
4956
4957 fake_server.handle_request::<lsp::request::DocumentHighlightRequest, _, _>({
4958 let rng = rng.clone();
4959 let project = project.clone();
4960 move |params, mut cx| {
4961 let highlights = if let Some(project) = project.upgrade(&cx) {
4962 project.update(&mut cx, |project, cx| {
4963 let path = params
4964 .text_document_position_params
4965 .text_document
4966 .uri
4967 .to_file_path()
4968 .unwrap();
4969 let (worktree, relative_path) =
4970 project.find_local_worktree(&path, cx)?;
4971 let project_path =
4972 ProjectPath::from((worktree.read(cx).id(), relative_path));
4973 let buffer =
4974 project.get_open_buffer(&project_path, cx)?.read(cx);
4975
4976 let mut highlights = Vec::new();
4977 let highlight_count = rng.lock().gen_range(1..=5);
4978 let mut prev_end = 0;
4979 for _ in 0..highlight_count {
4980 let range =
4981 buffer.random_byte_range(prev_end, &mut *rng.lock());
4982
4983 highlights.push(lsp::DocumentHighlight {
4984 range: range_to_lsp(range.to_point_utf16(buffer)),
4985 kind: Some(lsp::DocumentHighlightKind::READ),
4986 });
4987 prev_end = range.end;
4988 }
4989 Some(highlights)
4990 })
4991 } else {
4992 None
4993 };
4994 async move { highlights }
4995 }
4996 });
4997 }
4998 })),
4999 ..Default::default()
5000 });
5001 host_language_registry.add(Arc::new(language));
5002
5003 clients.push(cx.foreground().spawn(host.simulate_host(
5004 host_project,
5005 files,
5006 operations.clone(),
5007 max_operations,
5008 rng.clone(),
5009 host_cx,
5010 )));
5011
5012 while operations.get() < max_operations {
5013 cx.background().simulate_random_delay().await;
5014 if clients.len() >= max_peers {
5015 break;
5016 } else if rng.lock().gen_bool(0.05) {
5017 operations.set(operations.get() + 1);
5018
5019 let guest_id = clients.len();
5020 log::info!("Adding guest {}", guest_id);
5021 next_entity_id += 100000;
5022 let mut guest_cx = TestAppContext::new(
5023 cx.foreground_platform(),
5024 cx.platform(),
5025 cx.foreground(),
5026 cx.background(),
5027 cx.font_cache(),
5028 cx.leak_detector(),
5029 next_entity_id,
5030 );
5031 let guest = server
5032 .create_client(&mut guest_cx, &format!("guest-{}", guest_id))
5033 .await;
5034 let guest_project = Project::remote(
5035 host_project_id,
5036 guest.client.clone(),
5037 guest.user_store.clone(),
5038 guest_lang_registry.clone(),
5039 FakeFs::new(cx.background()),
5040 &mut guest_cx.to_async(),
5041 )
5042 .await
5043 .unwrap();
5044 clients.push(cx.foreground().spawn(guest.simulate_guest(
5045 guest_id,
5046 guest_project,
5047 operations.clone(),
5048 max_operations,
5049 rng.clone(),
5050 guest_cx,
5051 )));
5052
5053 log::info!("Guest {} added", guest_id);
5054 }
5055 }
5056
5057 let mut clients = futures::future::join_all(clients).await;
5058 cx.foreground().run_until_parked();
5059
5060 let (host_client, mut host_cx) = clients.remove(0);
5061 let host_project = host_client.project.as_ref().unwrap();
5062 let host_worktree_snapshots = host_project.read_with(&host_cx, |project, cx| {
5063 project
5064 .worktrees(cx)
5065 .map(|worktree| {
5066 let snapshot = worktree.read(cx).snapshot();
5067 (snapshot.id(), snapshot)
5068 })
5069 .collect::<BTreeMap<_, _>>()
5070 });
5071
5072 host_client
5073 .project
5074 .as_ref()
5075 .unwrap()
5076 .read_with(&host_cx, |project, cx| project.check_invariants(cx));
5077
5078 for (guest_client, mut guest_cx) in clients.into_iter() {
5079 let guest_id = guest_client.client.id();
5080 let worktree_snapshots =
5081 guest_client
5082 .project
5083 .as_ref()
5084 .unwrap()
5085 .read_with(&guest_cx, |project, cx| {
5086 project
5087 .worktrees(cx)
5088 .map(|worktree| {
5089 let worktree = worktree.read(cx);
5090 (worktree.id(), worktree.snapshot())
5091 })
5092 .collect::<BTreeMap<_, _>>()
5093 });
5094
5095 assert_eq!(
5096 worktree_snapshots.keys().collect::<Vec<_>>(),
5097 host_worktree_snapshots.keys().collect::<Vec<_>>(),
5098 "guest {} has different worktrees than the host",
5099 guest_id
5100 );
5101 for (id, host_snapshot) in &host_worktree_snapshots {
5102 let guest_snapshot = &worktree_snapshots[id];
5103 assert_eq!(
5104 guest_snapshot.root_name(),
5105 host_snapshot.root_name(),
5106 "guest {} has different root name than the host for worktree {}",
5107 guest_id,
5108 id
5109 );
5110 assert_eq!(
5111 guest_snapshot.entries(false).collect::<Vec<_>>(),
5112 host_snapshot.entries(false).collect::<Vec<_>>(),
5113 "guest {} has different snapshot than the host for worktree {}",
5114 guest_id,
5115 id
5116 );
5117 }
5118
5119 guest_client
5120 .project
5121 .as_ref()
5122 .unwrap()
5123 .read_with(&guest_cx, |project, cx| project.check_invariants(cx));
5124
5125 for guest_buffer in &guest_client.buffers {
5126 let buffer_id = guest_buffer.read_with(&guest_cx, |buffer, _| buffer.remote_id());
5127 let host_buffer = host_project.read_with(&host_cx, |project, cx| {
5128 project.buffer_for_id(buffer_id, cx).expect(&format!(
5129 "host does not have buffer for guest:{}, peer:{}, id:{}",
5130 guest_id, guest_client.peer_id, buffer_id
5131 ))
5132 });
5133 let path = host_buffer
5134 .read_with(&host_cx, |buffer, cx| buffer.file().unwrap().full_path(cx));
5135
5136 assert_eq!(
5137 guest_buffer.read_with(&guest_cx, |buffer, _| buffer.deferred_ops_len()),
5138 0,
5139 "guest {}, buffer {}, path {:?} has deferred operations",
5140 guest_id,
5141 buffer_id,
5142 path,
5143 );
5144 assert_eq!(
5145 guest_buffer.read_with(&guest_cx, |buffer, _| buffer.text()),
5146 host_buffer.read_with(&host_cx, |buffer, _| buffer.text()),
5147 "guest {}, buffer {}, path {:?}, differs from the host's buffer",
5148 guest_id,
5149 buffer_id,
5150 path
5151 );
5152 }
5153
5154 guest_cx.update(|_| drop(guest_client));
5155 }
5156
5157 host_cx.update(|_| drop(host_client));
5158 }
5159
5160 struct TestServer {
5161 peer: Arc<Peer>,
5162 app_state: Arc<AppState>,
5163 server: Arc<Server>,
5164 foreground: Rc<executor::Foreground>,
5165 notifications: mpsc::UnboundedReceiver<()>,
5166 connection_killers: Arc<Mutex<HashMap<UserId, barrier::Sender>>>,
5167 forbid_connections: Arc<AtomicBool>,
5168 _test_db: TestDb,
5169 }
5170
5171 impl TestServer {
5172 async fn start(
5173 foreground: Rc<executor::Foreground>,
5174 background: Arc<executor::Background>,
5175 ) -> Self {
5176 let test_db = TestDb::fake(background);
5177 let app_state = Self::build_app_state(&test_db).await;
5178 let peer = Peer::new();
5179 let notifications = mpsc::unbounded();
5180 let server = Server::new(app_state.clone(), peer.clone(), Some(notifications.0));
5181 Self {
5182 peer,
5183 app_state,
5184 server,
5185 foreground,
5186 notifications: notifications.1,
5187 connection_killers: Default::default(),
5188 forbid_connections: Default::default(),
5189 _test_db: test_db,
5190 }
5191 }
5192
5193 async fn create_client(&mut self, cx: &mut TestAppContext, name: &str) -> TestClient {
5194 cx.update(|cx| {
5195 let settings = Settings::test(cx);
5196 cx.set_global(settings);
5197 });
5198
5199 let http = FakeHttpClient::with_404_response();
5200 let user_id = self.app_state.db.create_user(name, false).await.unwrap();
5201 let client_name = name.to_string();
5202 let mut client = Client::new(http.clone());
5203 let server = self.server.clone();
5204 let connection_killers = self.connection_killers.clone();
5205 let forbid_connections = self.forbid_connections.clone();
5206 let (connection_id_tx, mut connection_id_rx) = mpsc::channel(16);
5207
5208 Arc::get_mut(&mut client)
5209 .unwrap()
5210 .override_authenticate(move |cx| {
5211 cx.spawn(|_| async move {
5212 let access_token = "the-token".to_string();
5213 Ok(Credentials {
5214 user_id: user_id.0 as u64,
5215 access_token,
5216 })
5217 })
5218 })
5219 .override_establish_connection(move |credentials, cx| {
5220 assert_eq!(credentials.user_id, user_id.0 as u64);
5221 assert_eq!(credentials.access_token, "the-token");
5222
5223 let server = server.clone();
5224 let connection_killers = connection_killers.clone();
5225 let forbid_connections = forbid_connections.clone();
5226 let client_name = client_name.clone();
5227 let connection_id_tx = connection_id_tx.clone();
5228 cx.spawn(move |cx| async move {
5229 if forbid_connections.load(SeqCst) {
5230 Err(EstablishConnectionError::other(anyhow!(
5231 "server is forbidding connections"
5232 )))
5233 } else {
5234 let (client_conn, server_conn, kill_conn) =
5235 Connection::in_memory(cx.background());
5236 connection_killers.lock().insert(user_id, kill_conn);
5237 cx.background()
5238 .spawn(server.handle_connection(
5239 server_conn,
5240 client_name,
5241 user_id,
5242 Some(connection_id_tx),
5243 cx.background(),
5244 ))
5245 .detach();
5246 Ok(client_conn)
5247 }
5248 })
5249 });
5250
5251 client
5252 .authenticate_and_connect(false, &cx.to_async())
5253 .await
5254 .unwrap();
5255
5256 Channel::init(&client);
5257 Project::init(&client);
5258 cx.update(|cx| {
5259 workspace::init(&client, cx);
5260 });
5261
5262 let peer_id = PeerId(connection_id_rx.next().await.unwrap().0);
5263 let user_store = cx.add_model(|cx| UserStore::new(client.clone(), http, cx));
5264
5265 let client = TestClient {
5266 client,
5267 peer_id,
5268 user_store,
5269 language_registry: Arc::new(LanguageRegistry::test()),
5270 project: Default::default(),
5271 buffers: Default::default(),
5272 };
5273 client.wait_for_current_user(cx).await;
5274 client
5275 }
5276
5277 fn disconnect_client(&self, user_id: UserId) {
5278 self.connection_killers.lock().remove(&user_id);
5279 }
5280
5281 fn forbid_connections(&self) {
5282 self.forbid_connections.store(true, SeqCst);
5283 }
5284
5285 fn allow_connections(&self) {
5286 self.forbid_connections.store(false, SeqCst);
5287 }
5288
5289 async fn build_app_state(test_db: &TestDb) -> Arc<AppState> {
5290 let mut config = Config::default();
5291 config.session_secret = "a".repeat(32);
5292 config.database_url = test_db.url.clone();
5293 let github_client = github::AppClient::test();
5294 Arc::new(AppState {
5295 db: test_db.db().clone(),
5296 handlebars: Default::default(),
5297 auth_client: auth::build_client("", ""),
5298 repo_client: github::RepoClient::test(&github_client),
5299 github_client,
5300 config,
5301 })
5302 }
5303
5304 async fn state<'a>(&'a self) -> RwLockReadGuard<'a, Store> {
5305 self.server.store.read()
5306 }
5307
5308 async fn condition<F>(&mut self, mut predicate: F)
5309 where
5310 F: FnMut(&Store) -> bool,
5311 {
5312 async_std::future::timeout(Duration::from_millis(500), async {
5313 while !(predicate)(&*self.server.store.read()) {
5314 self.foreground.start_waiting();
5315 self.notifications.next().await;
5316 self.foreground.finish_waiting();
5317 }
5318 })
5319 .await
5320 .expect("condition timed out");
5321 }
5322 }
5323
5324 impl Drop for TestServer {
5325 fn drop(&mut self) {
5326 self.peer.reset();
5327 }
5328 }
5329
5330 struct TestClient {
5331 client: Arc<Client>,
5332 pub peer_id: PeerId,
5333 pub user_store: ModelHandle<UserStore>,
5334 language_registry: Arc<LanguageRegistry>,
5335 project: Option<ModelHandle<Project>>,
5336 buffers: HashSet<ModelHandle<language::Buffer>>,
5337 }
5338
5339 impl Deref for TestClient {
5340 type Target = Arc<Client>;
5341
5342 fn deref(&self) -> &Self::Target {
5343 &self.client
5344 }
5345 }
5346
5347 impl TestClient {
5348 pub fn current_user_id(&self, cx: &TestAppContext) -> UserId {
5349 UserId::from_proto(
5350 self.user_store
5351 .read_with(cx, |user_store, _| user_store.current_user().unwrap().id),
5352 )
5353 }
5354
5355 async fn wait_for_current_user(&self, cx: &TestAppContext) {
5356 let mut authed_user = self
5357 .user_store
5358 .read_with(cx, |user_store, _| user_store.watch_current_user());
5359 while authed_user.next().await.unwrap().is_none() {}
5360 }
5361
5362 async fn build_local_project(
5363 &mut self,
5364 fs: Arc<FakeFs>,
5365 root_path: impl AsRef<Path>,
5366 cx: &mut TestAppContext,
5367 ) -> (ModelHandle<Project>, WorktreeId) {
5368 let project = cx.update(|cx| {
5369 Project::local(
5370 self.client.clone(),
5371 self.user_store.clone(),
5372 self.language_registry.clone(),
5373 fs,
5374 cx,
5375 )
5376 });
5377 self.project = Some(project.clone());
5378 let (worktree, _) = project
5379 .update(cx, |p, cx| {
5380 p.find_or_create_local_worktree(root_path, true, cx)
5381 })
5382 .await
5383 .unwrap();
5384 worktree
5385 .read_with(cx, |tree, _| tree.as_local().unwrap().scan_complete())
5386 .await;
5387 project
5388 .update(cx, |project, _| project.next_remote_id())
5389 .await;
5390 (project, worktree.read_with(cx, |tree, _| tree.id()))
5391 }
5392
5393 async fn build_remote_project(
5394 &mut self,
5395 project_id: u64,
5396 cx: &mut TestAppContext,
5397 ) -> ModelHandle<Project> {
5398 let project = Project::remote(
5399 project_id,
5400 self.client.clone(),
5401 self.user_store.clone(),
5402 self.language_registry.clone(),
5403 FakeFs::new(cx.background()),
5404 &mut cx.to_async(),
5405 )
5406 .await
5407 .unwrap();
5408 self.project = Some(project.clone());
5409 project
5410 }
5411
5412 fn build_workspace(
5413 &self,
5414 project: &ModelHandle<Project>,
5415 cx: &mut TestAppContext,
5416 ) -> ViewHandle<Workspace> {
5417 let (window_id, _) = cx.add_window(|_| EmptyView);
5418 cx.add_view(window_id, |cx| {
5419 let fs = project.read(cx).fs().clone();
5420 Workspace::new(
5421 &WorkspaceParams {
5422 fs,
5423 project: project.clone(),
5424 user_store: self.user_store.clone(),
5425 languages: self.language_registry.clone(),
5426 channel_list: cx.add_model(|cx| {
5427 ChannelList::new(self.user_store.clone(), self.client.clone(), cx)
5428 }),
5429 client: self.client.clone(),
5430 },
5431 cx,
5432 )
5433 })
5434 }
5435
5436 async fn simulate_host(
5437 mut self,
5438 project: ModelHandle<Project>,
5439 files: Arc<Mutex<Vec<PathBuf>>>,
5440 operations: Rc<Cell<usize>>,
5441 max_operations: usize,
5442 rng: Arc<Mutex<StdRng>>,
5443 mut cx: TestAppContext,
5444 ) -> (Self, TestAppContext) {
5445 let fs = project.read_with(&cx, |project, _| project.fs().clone());
5446 while operations.get() < max_operations {
5447 operations.set(operations.get() + 1);
5448
5449 let distribution = rng.lock().gen_range::<usize, _>(0..100);
5450 match distribution {
5451 0..=20 if !files.lock().is_empty() => {
5452 let path = files.lock().choose(&mut *rng.lock()).unwrap().clone();
5453 let mut path = path.as_path();
5454 while let Some(parent_path) = path.parent() {
5455 path = parent_path;
5456 if rng.lock().gen() {
5457 break;
5458 }
5459 }
5460
5461 log::info!("Host: find/create local worktree {:?}", path);
5462 let find_or_create_worktree = project.update(&mut cx, |project, cx| {
5463 project.find_or_create_local_worktree(path, true, cx)
5464 });
5465 let find_or_create_worktree = async move {
5466 find_or_create_worktree.await.unwrap();
5467 };
5468 if rng.lock().gen() {
5469 cx.background().spawn(find_or_create_worktree).detach();
5470 } else {
5471 find_or_create_worktree.await;
5472 }
5473 }
5474 10..=80 if !files.lock().is_empty() => {
5475 let buffer = if self.buffers.is_empty() || rng.lock().gen() {
5476 let file = files.lock().choose(&mut *rng.lock()).unwrap().clone();
5477 let (worktree, path) = project
5478 .update(&mut cx, |project, cx| {
5479 project.find_or_create_local_worktree(file.clone(), true, cx)
5480 })
5481 .await
5482 .unwrap();
5483 let project_path =
5484 worktree.read_with(&cx, |worktree, _| (worktree.id(), path));
5485 log::info!(
5486 "Host: opening path {:?}, worktree {}, relative_path {:?}",
5487 file,
5488 project_path.0,
5489 project_path.1
5490 );
5491 let buffer = project
5492 .update(&mut cx, |project, cx| {
5493 project.open_buffer(project_path, cx)
5494 })
5495 .await
5496 .unwrap();
5497 self.buffers.insert(buffer.clone());
5498 buffer
5499 } else {
5500 self.buffers
5501 .iter()
5502 .choose(&mut *rng.lock())
5503 .unwrap()
5504 .clone()
5505 };
5506
5507 if rng.lock().gen_bool(0.1) {
5508 cx.update(|cx| {
5509 log::info!(
5510 "Host: dropping buffer {:?}",
5511 buffer.read(cx).file().unwrap().full_path(cx)
5512 );
5513 self.buffers.remove(&buffer);
5514 drop(buffer);
5515 });
5516 } else {
5517 buffer.update(&mut cx, |buffer, cx| {
5518 log::info!(
5519 "Host: updating buffer {:?} ({})",
5520 buffer.file().unwrap().full_path(cx),
5521 buffer.remote_id()
5522 );
5523 buffer.randomly_edit(&mut *rng.lock(), 5, cx)
5524 });
5525 }
5526 }
5527 _ => loop {
5528 let path_component_count = rng.lock().gen_range::<usize, _>(1..=5);
5529 let mut path = PathBuf::new();
5530 path.push("/");
5531 for _ in 0..path_component_count {
5532 let letter = rng.lock().gen_range(b'a'..=b'z');
5533 path.push(std::str::from_utf8(&[letter]).unwrap());
5534 }
5535 path.set_extension("rs");
5536 let parent_path = path.parent().unwrap();
5537
5538 log::info!("Host: creating file {:?}", path,);
5539
5540 if fs.create_dir(&parent_path).await.is_ok()
5541 && fs.create_file(&path, Default::default()).await.is_ok()
5542 {
5543 files.lock().push(path);
5544 break;
5545 } else {
5546 log::info!("Host: cannot create file");
5547 }
5548 },
5549 }
5550
5551 cx.background().simulate_random_delay().await;
5552 }
5553
5554 log::info!("Host done");
5555
5556 self.project = Some(project);
5557 (self, cx)
5558 }
5559
5560 pub async fn simulate_guest(
5561 mut self,
5562 guest_id: usize,
5563 project: ModelHandle<Project>,
5564 operations: Rc<Cell<usize>>,
5565 max_operations: usize,
5566 rng: Arc<Mutex<StdRng>>,
5567 mut cx: TestAppContext,
5568 ) -> (Self, TestAppContext) {
5569 while operations.get() < max_operations {
5570 let buffer = if self.buffers.is_empty() || rng.lock().gen() {
5571 let worktree = if let Some(worktree) = project.read_with(&cx, |project, cx| {
5572 project
5573 .worktrees(&cx)
5574 .filter(|worktree| {
5575 let worktree = worktree.read(cx);
5576 worktree.is_visible()
5577 && worktree.entries(false).any(|e| e.is_file())
5578 })
5579 .choose(&mut *rng.lock())
5580 }) {
5581 worktree
5582 } else {
5583 cx.background().simulate_random_delay().await;
5584 continue;
5585 };
5586
5587 operations.set(operations.get() + 1);
5588 let (worktree_root_name, project_path) =
5589 worktree.read_with(&cx, |worktree, _| {
5590 let entry = worktree
5591 .entries(false)
5592 .filter(|e| e.is_file())
5593 .choose(&mut *rng.lock())
5594 .unwrap();
5595 (
5596 worktree.root_name().to_string(),
5597 (worktree.id(), entry.path.clone()),
5598 )
5599 });
5600 log::info!(
5601 "Guest {}: opening path {:?} in worktree {} ({})",
5602 guest_id,
5603 project_path.1,
5604 project_path.0,
5605 worktree_root_name,
5606 );
5607 let buffer = project
5608 .update(&mut cx, |project, cx| {
5609 project.open_buffer(project_path.clone(), cx)
5610 })
5611 .await
5612 .unwrap();
5613 log::info!(
5614 "Guest {}: opened path {:?} in worktree {} ({}) with buffer id {}",
5615 guest_id,
5616 project_path.1,
5617 project_path.0,
5618 worktree_root_name,
5619 buffer.read_with(&cx, |buffer, _| buffer.remote_id())
5620 );
5621 self.buffers.insert(buffer.clone());
5622 buffer
5623 } else {
5624 operations.set(operations.get() + 1);
5625
5626 self.buffers
5627 .iter()
5628 .choose(&mut *rng.lock())
5629 .unwrap()
5630 .clone()
5631 };
5632
5633 let choice = rng.lock().gen_range(0..100);
5634 match choice {
5635 0..=9 => {
5636 cx.update(|cx| {
5637 log::info!(
5638 "Guest {}: dropping buffer {:?}",
5639 guest_id,
5640 buffer.read(cx).file().unwrap().full_path(cx)
5641 );
5642 self.buffers.remove(&buffer);
5643 drop(buffer);
5644 });
5645 }
5646 10..=19 => {
5647 let completions = project.update(&mut cx, |project, cx| {
5648 log::info!(
5649 "Guest {}: requesting completions for buffer {} ({:?})",
5650 guest_id,
5651 buffer.read(cx).remote_id(),
5652 buffer.read(cx).file().unwrap().full_path(cx)
5653 );
5654 let offset = rng.lock().gen_range(0..=buffer.read(cx).len());
5655 project.completions(&buffer, offset, cx)
5656 });
5657 let completions = cx.background().spawn(async move {
5658 completions.await.expect("completions request failed");
5659 });
5660 if rng.lock().gen_bool(0.3) {
5661 log::info!("Guest {}: detaching completions request", guest_id);
5662 completions.detach();
5663 } else {
5664 completions.await;
5665 }
5666 }
5667 20..=29 => {
5668 let code_actions = project.update(&mut cx, |project, cx| {
5669 log::info!(
5670 "Guest {}: requesting code actions for buffer {} ({:?})",
5671 guest_id,
5672 buffer.read(cx).remote_id(),
5673 buffer.read(cx).file().unwrap().full_path(cx)
5674 );
5675 let range = buffer.read(cx).random_byte_range(0, &mut *rng.lock());
5676 project.code_actions(&buffer, range, cx)
5677 });
5678 let code_actions = cx.background().spawn(async move {
5679 code_actions.await.expect("code actions request failed");
5680 });
5681 if rng.lock().gen_bool(0.3) {
5682 log::info!("Guest {}: detaching code actions request", guest_id);
5683 code_actions.detach();
5684 } else {
5685 code_actions.await;
5686 }
5687 }
5688 30..=39 if buffer.read_with(&cx, |buffer, _| buffer.is_dirty()) => {
5689 let (requested_version, save) = buffer.update(&mut cx, |buffer, cx| {
5690 log::info!(
5691 "Guest {}: saving buffer {} ({:?})",
5692 guest_id,
5693 buffer.remote_id(),
5694 buffer.file().unwrap().full_path(cx)
5695 );
5696 (buffer.version(), buffer.save(cx))
5697 });
5698 let save = cx.background().spawn(async move {
5699 let (saved_version, _) = save.await.expect("save request failed");
5700 assert!(saved_version.observed_all(&requested_version));
5701 });
5702 if rng.lock().gen_bool(0.3) {
5703 log::info!("Guest {}: detaching save request", guest_id);
5704 save.detach();
5705 } else {
5706 save.await;
5707 }
5708 }
5709 40..=44 => {
5710 let prepare_rename = project.update(&mut cx, |project, cx| {
5711 log::info!(
5712 "Guest {}: preparing rename for buffer {} ({:?})",
5713 guest_id,
5714 buffer.read(cx).remote_id(),
5715 buffer.read(cx).file().unwrap().full_path(cx)
5716 );
5717 let offset = rng.lock().gen_range(0..=buffer.read(cx).len());
5718 project.prepare_rename(buffer, offset, cx)
5719 });
5720 let prepare_rename = cx.background().spawn(async move {
5721 prepare_rename.await.expect("prepare rename request failed");
5722 });
5723 if rng.lock().gen_bool(0.3) {
5724 log::info!("Guest {}: detaching prepare rename request", guest_id);
5725 prepare_rename.detach();
5726 } else {
5727 prepare_rename.await;
5728 }
5729 }
5730 45..=49 => {
5731 let definitions = project.update(&mut cx, |project, cx| {
5732 log::info!(
5733 "Guest {}: requesting definitions for buffer {} ({:?})",
5734 guest_id,
5735 buffer.read(cx).remote_id(),
5736 buffer.read(cx).file().unwrap().full_path(cx)
5737 );
5738 let offset = rng.lock().gen_range(0..=buffer.read(cx).len());
5739 project.definition(&buffer, offset, cx)
5740 });
5741 let definitions = cx.background().spawn(async move {
5742 definitions.await.expect("definitions request failed")
5743 });
5744 if rng.lock().gen_bool(0.3) {
5745 log::info!("Guest {}: detaching definitions request", guest_id);
5746 definitions.detach();
5747 } else {
5748 self.buffers
5749 .extend(definitions.await.into_iter().map(|loc| loc.buffer));
5750 }
5751 }
5752 50..=54 => {
5753 let highlights = project.update(&mut cx, |project, cx| {
5754 log::info!(
5755 "Guest {}: requesting highlights for buffer {} ({:?})",
5756 guest_id,
5757 buffer.read(cx).remote_id(),
5758 buffer.read(cx).file().unwrap().full_path(cx)
5759 );
5760 let offset = rng.lock().gen_range(0..=buffer.read(cx).len());
5761 project.document_highlights(&buffer, offset, cx)
5762 });
5763 let highlights = cx.background().spawn(async move {
5764 highlights.await.expect("highlights request failed");
5765 });
5766 if rng.lock().gen_bool(0.3) {
5767 log::info!("Guest {}: detaching highlights request", guest_id);
5768 highlights.detach();
5769 } else {
5770 highlights.await;
5771 }
5772 }
5773 55..=59 => {
5774 let search = project.update(&mut cx, |project, cx| {
5775 let query = rng.lock().gen_range('a'..='z');
5776 log::info!("Guest {}: project-wide search {:?}", guest_id, query);
5777 project.search(SearchQuery::text(query, false, false), cx)
5778 });
5779 let search = cx
5780 .background()
5781 .spawn(async move { search.await.expect("search request failed") });
5782 if rng.lock().gen_bool(0.3) {
5783 log::info!("Guest {}: detaching search request", guest_id);
5784 search.detach();
5785 } else {
5786 self.buffers.extend(search.await.into_keys());
5787 }
5788 }
5789 _ => {
5790 buffer.update(&mut cx, |buffer, cx| {
5791 log::info!(
5792 "Guest {}: updating buffer {} ({:?})",
5793 guest_id,
5794 buffer.remote_id(),
5795 buffer.file().unwrap().full_path(cx)
5796 );
5797 buffer.randomly_edit(&mut *rng.lock(), 5, cx)
5798 });
5799 }
5800 }
5801 cx.background().simulate_random_delay().await;
5802 }
5803
5804 log::info!("Guest {} done", guest_id);
5805
5806 self.project = Some(project);
5807 (self, cx)
5808 }
5809 }
5810
5811 impl Drop for TestClient {
5812 fn drop(&mut self) {
5813 self.client.tear_down();
5814 }
5815 }
5816
5817 impl Executor for Arc<gpui::executor::Background> {
5818 type Timer = gpui::executor::Timer;
5819
5820 fn spawn_detached<F: 'static + Send + Future<Output = ()>>(&self, future: F) {
5821 self.spawn(future).detach();
5822 }
5823
5824 fn timer(&self, duration: Duration) -> Self::Timer {
5825 self.as_ref().timer(duration)
5826 }
5827 }
5828
5829 fn channel_messages(channel: &Channel) -> Vec<(String, String, bool)> {
5830 channel
5831 .messages()
5832 .cursor::<()>()
5833 .map(|m| {
5834 (
5835 m.sender.github_login.clone(),
5836 m.body.clone(),
5837 m.is_pending(),
5838 )
5839 })
5840 .collect()
5841 }
5842
5843 struct EmptyView;
5844
5845 impl gpui::Entity for EmptyView {
5846 type Event = ();
5847 }
5848
5849 impl gpui::View for EmptyView {
5850 fn ui_name() -> &'static str {
5851 "empty view"
5852 }
5853
5854 fn render(&mut self, _: &mut gpui::RenderContext<Self>) -> gpui::ElementBox {
5855 gpui::Element::boxed(gpui::elements::Empty)
5856 }
5857 }
5858}