1mod store;
2
3use super::{
4 auth::process_auth_header,
5 db::{ChannelId, MessageId, UserId},
6 AppState,
7};
8use anyhow::anyhow;
9use async_std::task;
10use async_tungstenite::{tungstenite::protocol::Role, WebSocketStream};
11use collections::{HashMap, HashSet};
12use futures::{future::BoxFuture, FutureExt, StreamExt};
13use parking_lot::{RwLock, RwLockReadGuard, RwLockWriteGuard};
14use postage::{mpsc, prelude::Sink as _};
15use rpc::{
16 proto::{self, AnyTypedEnvelope, EnvelopedMessage},
17 Connection, ConnectionId, Peer, TypedEnvelope,
18};
19use sha1::{Digest as _, Sha1};
20use std::{any::TypeId, future::Future, path::PathBuf, sync::Arc, time::Instant};
21use store::{Store, Worktree};
22use surf::StatusCode;
23use tide::log;
24use tide::{
25 http::headers::{HeaderName, CONNECTION, UPGRADE},
26 Request, Response,
27};
28use time::OffsetDateTime;
29
30type MessageHandler = Box<
31 dyn Send
32 + Sync
33 + Fn(Arc<Server>, Box<dyn AnyTypedEnvelope>) -> BoxFuture<'static, tide::Result<()>>,
34>;
35
36pub struct Server {
37 peer: Arc<Peer>,
38 store: RwLock<Store>,
39 app_state: Arc<AppState>,
40 handlers: HashMap<TypeId, MessageHandler>,
41 notifications: Option<mpsc::Sender<()>>,
42}
43
44const MESSAGE_COUNT_PER_PAGE: usize = 100;
45const MAX_MESSAGE_LEN: usize = 1024;
46const NO_SUCH_PROJECT: &'static str = "no such project";
47
48impl Server {
49 pub fn new(
50 app_state: Arc<AppState>,
51 peer: Arc<Peer>,
52 notifications: Option<mpsc::Sender<()>>,
53 ) -> Arc<Self> {
54 let mut server = Self {
55 peer,
56 app_state,
57 store: Default::default(),
58 handlers: Default::default(),
59 notifications,
60 };
61
62 server
63 .add_handler(Server::ping)
64 .add_handler(Server::register_project)
65 .add_handler(Server::unregister_project)
66 .add_handler(Server::share_project)
67 .add_handler(Server::unshare_project)
68 .add_handler(Server::join_project)
69 .add_handler(Server::leave_project)
70 .add_handler(Server::register_worktree)
71 .add_handler(Server::unregister_worktree)
72 .add_handler(Server::share_worktree)
73 .add_handler(Server::update_worktree)
74 .add_handler(Server::update_diagnostic_summary)
75 .add_handler(Server::disk_based_diagnostics_updating)
76 .add_handler(Server::disk_based_diagnostics_updated)
77 .add_handler(Server::get_definition)
78 .add_handler(Server::open_buffer)
79 .add_handler(Server::close_buffer)
80 .add_handler(Server::update_buffer)
81 .add_handler(Server::update_buffer_file)
82 .add_handler(Server::buffer_reloaded)
83 .add_handler(Server::buffer_saved)
84 .add_handler(Server::save_buffer)
85 .add_handler(Server::format_buffer)
86 .add_handler(Server::get_completions)
87 .add_handler(Server::apply_additional_edits_for_completion)
88 .add_handler(Server::get_code_actions)
89 .add_handler(Server::apply_code_action)
90 .add_handler(Server::get_channels)
91 .add_handler(Server::get_users)
92 .add_handler(Server::join_channel)
93 .add_handler(Server::leave_channel)
94 .add_handler(Server::send_channel_message)
95 .add_handler(Server::get_channel_messages);
96
97 Arc::new(server)
98 }
99
100 fn add_handler<F, Fut, M>(&mut self, handler: F) -> &mut Self
101 where
102 F: 'static + Send + Sync + Fn(Arc<Self>, TypedEnvelope<M>) -> Fut,
103 Fut: 'static + Send + Future<Output = tide::Result<()>>,
104 M: EnvelopedMessage,
105 {
106 let prev_handler = self.handlers.insert(
107 TypeId::of::<M>(),
108 Box::new(move |server, envelope| {
109 let envelope = envelope.into_any().downcast::<TypedEnvelope<M>>().unwrap();
110 (handler)(server, *envelope).boxed()
111 }),
112 );
113 if prev_handler.is_some() {
114 panic!("registered a handler for the same message twice");
115 }
116 self
117 }
118
119 pub fn handle_connection(
120 self: &Arc<Self>,
121 connection: Connection,
122 addr: String,
123 user_id: UserId,
124 mut send_connection_id: Option<postage::mpsc::Sender<ConnectionId>>,
125 ) -> impl Future<Output = ()> {
126 let mut this = self.clone();
127 async move {
128 let (connection_id, handle_io, mut incoming_rx) =
129 this.peer.add_connection(connection).await;
130
131 if let Some(send_connection_id) = send_connection_id.as_mut() {
132 let _ = send_connection_id.send(connection_id).await;
133 }
134
135 this.state_mut().add_connection(connection_id, user_id);
136 if let Err(err) = this.update_contacts_for_users(&[user_id]) {
137 log::error!("error updating contacts for {:?}: {}", user_id, err);
138 }
139
140 let handle_io = handle_io.fuse();
141 futures::pin_mut!(handle_io);
142 loop {
143 let next_message = incoming_rx.next().fuse();
144 futures::pin_mut!(next_message);
145 futures::select_biased! {
146 result = handle_io => {
147 if let Err(err) = result {
148 log::error!("error handling rpc connection {:?} - {:?}", addr, err);
149 }
150 break;
151 }
152 message = next_message => {
153 if let Some(message) = message {
154 let start_time = Instant::now();
155 let type_name = message.payload_type_name();
156 log::info!("rpc message received. connection:{}, type:{}", connection_id, type_name);
157 if let Some(handler) = this.handlers.get(&message.payload_type_id()) {
158 if let Err(err) = (handler)(this.clone(), message).await {
159 log::error!("rpc message error. connection:{}, type:{}, error:{:?}", connection_id, type_name, err);
160 } else {
161 log::info!("rpc message handled. connection:{}, type:{}, duration:{:?}", connection_id, type_name, start_time.elapsed());
162 }
163
164 if let Some(mut notifications) = this.notifications.clone() {
165 let _ = notifications.send(()).await;
166 }
167 } else {
168 log::warn!("unhandled message: {}", type_name);
169 }
170 } else {
171 log::info!("rpc connection closed {:?}", addr);
172 break;
173 }
174 }
175 }
176 }
177
178 if let Err(err) = this.sign_out(connection_id).await {
179 log::error!("error signing out connection {:?} - {:?}", addr, err);
180 }
181 }
182 }
183
184 async fn sign_out(self: &mut Arc<Self>, connection_id: ConnectionId) -> tide::Result<()> {
185 self.peer.disconnect(connection_id);
186 let removed_connection = self.state_mut().remove_connection(connection_id)?;
187
188 for (project_id, project) in removed_connection.hosted_projects {
189 if let Some(share) = project.share {
190 broadcast(
191 connection_id,
192 share.guests.keys().copied().collect(),
193 |conn_id| {
194 self.peer
195 .send(conn_id, proto::UnshareProject { project_id })
196 },
197 )?;
198 }
199 }
200
201 for (project_id, peer_ids) in removed_connection.guest_project_ids {
202 broadcast(connection_id, peer_ids, |conn_id| {
203 self.peer.send(
204 conn_id,
205 proto::RemoveProjectCollaborator {
206 project_id,
207 peer_id: connection_id.0,
208 },
209 )
210 })?;
211 }
212
213 self.update_contacts_for_users(removed_connection.contact_ids.iter())?;
214 Ok(())
215 }
216
217 async fn ping(self: Arc<Server>, request: TypedEnvelope<proto::Ping>) -> tide::Result<()> {
218 self.peer.respond(request.receipt(), proto::Ack {})?;
219 Ok(())
220 }
221
222 async fn register_project(
223 mut self: Arc<Server>,
224 request: TypedEnvelope<proto::RegisterProject>,
225 ) -> tide::Result<()> {
226 let project_id = {
227 let mut state = self.state_mut();
228 let user_id = state.user_id_for_connection(request.sender_id)?;
229 state.register_project(request.sender_id, user_id)
230 };
231 self.peer.respond(
232 request.receipt(),
233 proto::RegisterProjectResponse { project_id },
234 )?;
235 Ok(())
236 }
237
238 async fn unregister_project(
239 mut self: Arc<Server>,
240 request: TypedEnvelope<proto::UnregisterProject>,
241 ) -> tide::Result<()> {
242 let project = self
243 .state_mut()
244 .unregister_project(request.payload.project_id, request.sender_id)
245 .ok_or_else(|| anyhow!("no such project"))?;
246 self.update_contacts_for_users(project.authorized_user_ids().iter())?;
247 Ok(())
248 }
249
250 async fn share_project(
251 mut self: Arc<Server>,
252 request: TypedEnvelope<proto::ShareProject>,
253 ) -> tide::Result<()> {
254 self.state_mut()
255 .share_project(request.payload.project_id, request.sender_id);
256 self.peer.respond(request.receipt(), proto::Ack {})?;
257 Ok(())
258 }
259
260 async fn unshare_project(
261 mut self: Arc<Server>,
262 request: TypedEnvelope<proto::UnshareProject>,
263 ) -> tide::Result<()> {
264 let project_id = request.payload.project_id;
265 let project = self
266 .state_mut()
267 .unshare_project(project_id, request.sender_id)?;
268
269 broadcast(request.sender_id, project.connection_ids, |conn_id| {
270 self.peer
271 .send(conn_id, proto::UnshareProject { project_id })
272 })?;
273 self.update_contacts_for_users(&project.authorized_user_ids)?;
274 Ok(())
275 }
276
277 async fn join_project(
278 mut self: Arc<Server>,
279 request: TypedEnvelope<proto::JoinProject>,
280 ) -> tide::Result<()> {
281 let project_id = request.payload.project_id;
282
283 let user_id = self.state().user_id_for_connection(request.sender_id)?;
284 let response_data = self
285 .state_mut()
286 .join_project(request.sender_id, user_id, project_id)
287 .and_then(|joined| {
288 let share = joined.project.share()?;
289 let peer_count = share.guests.len();
290 let mut collaborators = Vec::with_capacity(peer_count);
291 collaborators.push(proto::Collaborator {
292 peer_id: joined.project.host_connection_id.0,
293 replica_id: 0,
294 user_id: joined.project.host_user_id.to_proto(),
295 });
296 let worktrees = joined
297 .project
298 .worktrees
299 .iter()
300 .filter_map(|(id, worktree)| {
301 worktree.share.as_ref().map(|share| proto::Worktree {
302 id: *id,
303 root_name: worktree.root_name.clone(),
304 entries: share.entries.values().cloned().collect(),
305 diagnostic_summaries: share
306 .diagnostic_summaries
307 .values()
308 .cloned()
309 .collect(),
310 weak: worktree.weak,
311 })
312 })
313 .collect();
314 for (peer_conn_id, (peer_replica_id, peer_user_id)) in &share.guests {
315 if *peer_conn_id != request.sender_id {
316 collaborators.push(proto::Collaborator {
317 peer_id: peer_conn_id.0,
318 replica_id: *peer_replica_id as u32,
319 user_id: peer_user_id.to_proto(),
320 });
321 }
322 }
323 let response = proto::JoinProjectResponse {
324 worktrees,
325 replica_id: joined.replica_id as u32,
326 collaborators,
327 };
328 let connection_ids = joined.project.connection_ids();
329 let contact_user_ids = joined.project.authorized_user_ids();
330 Ok((response, connection_ids, contact_user_ids))
331 });
332
333 match response_data {
334 Ok((response, connection_ids, contact_user_ids)) => {
335 broadcast(request.sender_id, connection_ids, |conn_id| {
336 self.peer.send(
337 conn_id,
338 proto::AddProjectCollaborator {
339 project_id,
340 collaborator: Some(proto::Collaborator {
341 peer_id: request.sender_id.0,
342 replica_id: response.replica_id,
343 user_id: user_id.to_proto(),
344 }),
345 },
346 )
347 })?;
348 self.peer.respond(request.receipt(), response)?;
349 self.update_contacts_for_users(&contact_user_ids)?;
350 }
351 Err(error) => {
352 self.peer.respond_with_error(
353 request.receipt(),
354 proto::Error {
355 message: error.to_string(),
356 },
357 )?;
358 }
359 }
360
361 Ok(())
362 }
363
364 async fn leave_project(
365 mut self: Arc<Server>,
366 request: TypedEnvelope<proto::LeaveProject>,
367 ) -> tide::Result<()> {
368 let sender_id = request.sender_id;
369 let project_id = request.payload.project_id;
370 let worktree = self.state_mut().leave_project(sender_id, project_id);
371 if let Some(worktree) = worktree {
372 broadcast(sender_id, worktree.connection_ids, |conn_id| {
373 self.peer.send(
374 conn_id,
375 proto::RemoveProjectCollaborator {
376 project_id,
377 peer_id: sender_id.0,
378 },
379 )
380 })?;
381 self.update_contacts_for_users(&worktree.authorized_user_ids)?;
382 }
383 Ok(())
384 }
385
386 async fn register_worktree(
387 mut self: Arc<Server>,
388 request: TypedEnvelope<proto::RegisterWorktree>,
389 ) -> tide::Result<()> {
390 let receipt = request.receipt();
391 let host_user_id = self.state().user_id_for_connection(request.sender_id)?;
392
393 let mut contact_user_ids = HashSet::default();
394 contact_user_ids.insert(host_user_id);
395 for github_login in request.payload.authorized_logins {
396 match self.app_state.db.create_user(&github_login, false).await {
397 Ok(contact_user_id) => {
398 contact_user_ids.insert(contact_user_id);
399 }
400 Err(err) => {
401 let message = err.to_string();
402 self.peer
403 .respond_with_error(receipt, proto::Error { message })?;
404 return Ok(());
405 }
406 }
407 }
408
409 let contact_user_ids = contact_user_ids.into_iter().collect::<Vec<_>>();
410 let ok = self.state_mut().register_worktree(
411 request.payload.project_id,
412 request.payload.worktree_id,
413 Worktree {
414 authorized_user_ids: contact_user_ids.clone(),
415 root_name: request.payload.root_name,
416 share: None,
417 weak: false,
418 },
419 );
420
421 if ok {
422 self.peer.respond(receipt, proto::Ack {})?;
423 self.update_contacts_for_users(&contact_user_ids)?;
424 } else {
425 self.peer.respond_with_error(
426 receipt,
427 proto::Error {
428 message: NO_SUCH_PROJECT.to_string(),
429 },
430 )?;
431 }
432
433 Ok(())
434 }
435
436 async fn unregister_worktree(
437 mut self: Arc<Server>,
438 request: TypedEnvelope<proto::UnregisterWorktree>,
439 ) -> tide::Result<()> {
440 let project_id = request.payload.project_id;
441 let worktree_id = request.payload.worktree_id;
442 let (worktree, guest_connection_ids) =
443 self.state_mut()
444 .unregister_worktree(project_id, worktree_id, request.sender_id)?;
445 broadcast(request.sender_id, guest_connection_ids, |conn_id| {
446 self.peer.send(
447 conn_id,
448 proto::UnregisterWorktree {
449 project_id,
450 worktree_id,
451 },
452 )
453 })?;
454 self.update_contacts_for_users(&worktree.authorized_user_ids)?;
455 Ok(())
456 }
457
458 async fn share_worktree(
459 mut self: Arc<Server>,
460 mut request: TypedEnvelope<proto::ShareWorktree>,
461 ) -> tide::Result<()> {
462 let worktree = request
463 .payload
464 .worktree
465 .as_mut()
466 .ok_or_else(|| anyhow!("missing worktree"))?;
467 let entries = worktree
468 .entries
469 .iter()
470 .map(|entry| (entry.id, entry.clone()))
471 .collect();
472 let diagnostic_summaries = worktree
473 .diagnostic_summaries
474 .iter()
475 .map(|summary| (PathBuf::from(summary.path.clone()), summary.clone()))
476 .collect();
477
478 let shared_worktree = self.state_mut().share_worktree(
479 request.payload.project_id,
480 worktree.id,
481 request.sender_id,
482 entries,
483 diagnostic_summaries,
484 );
485 if let Some(shared_worktree) = shared_worktree {
486 broadcast(
487 request.sender_id,
488 shared_worktree.connection_ids,
489 |connection_id| {
490 self.peer.forward_send(
491 request.sender_id,
492 connection_id,
493 request.payload.clone(),
494 )
495 },
496 )?;
497 self.peer.respond(request.receipt(), proto::Ack {})?;
498 self.update_contacts_for_users(&shared_worktree.authorized_user_ids)?;
499 } else {
500 self.peer.respond_with_error(
501 request.receipt(),
502 proto::Error {
503 message: "no such worktree".to_string(),
504 },
505 )?;
506 }
507 Ok(())
508 }
509
510 async fn update_worktree(
511 mut self: Arc<Server>,
512 request: TypedEnvelope<proto::UpdateWorktree>,
513 ) -> tide::Result<()> {
514 let connection_ids = self
515 .state_mut()
516 .update_worktree(
517 request.sender_id,
518 request.payload.project_id,
519 request.payload.worktree_id,
520 &request.payload.removed_entries,
521 &request.payload.updated_entries,
522 )
523 .ok_or_else(|| anyhow!("no such worktree"))?;
524
525 broadcast(request.sender_id, connection_ids, |connection_id| {
526 self.peer
527 .forward_send(request.sender_id, connection_id, request.payload.clone())
528 })?;
529
530 Ok(())
531 }
532
533 async fn update_diagnostic_summary(
534 mut self: Arc<Server>,
535 request: TypedEnvelope<proto::UpdateDiagnosticSummary>,
536 ) -> tide::Result<()> {
537 let receiver_ids = request
538 .payload
539 .summary
540 .clone()
541 .and_then(|summary| {
542 self.state_mut().update_diagnostic_summary(
543 request.payload.project_id,
544 request.payload.worktree_id,
545 request.sender_id,
546 summary,
547 )
548 })
549 .ok_or_else(|| anyhow!(NO_SUCH_PROJECT))?;
550
551 broadcast(request.sender_id, receiver_ids, |connection_id| {
552 self.peer
553 .forward_send(request.sender_id, connection_id, request.payload.clone())
554 })?;
555 Ok(())
556 }
557
558 async fn disk_based_diagnostics_updating(
559 self: Arc<Server>,
560 request: TypedEnvelope<proto::DiskBasedDiagnosticsUpdating>,
561 ) -> tide::Result<()> {
562 let receiver_ids = self
563 .state()
564 .project_connection_ids(request.payload.project_id, request.sender_id)
565 .ok_or_else(|| anyhow!(NO_SUCH_PROJECT))?;
566 broadcast(request.sender_id, receiver_ids, |connection_id| {
567 self.peer
568 .forward_send(request.sender_id, connection_id, request.payload.clone())
569 })?;
570 Ok(())
571 }
572
573 async fn disk_based_diagnostics_updated(
574 self: Arc<Server>,
575 request: TypedEnvelope<proto::DiskBasedDiagnosticsUpdated>,
576 ) -> tide::Result<()> {
577 let receiver_ids = self
578 .state()
579 .project_connection_ids(request.payload.project_id, request.sender_id)
580 .ok_or_else(|| anyhow!(NO_SUCH_PROJECT))?;
581 broadcast(request.sender_id, receiver_ids, |connection_id| {
582 self.peer
583 .forward_send(request.sender_id, connection_id, request.payload.clone())
584 })?;
585 Ok(())
586 }
587
588 async fn get_definition(
589 self: Arc<Server>,
590 request: TypedEnvelope<proto::GetDefinition>,
591 ) -> tide::Result<()> {
592 let receipt = request.receipt();
593 let host_connection_id = self
594 .state()
595 .read_project(request.payload.project_id, request.sender_id)
596 .ok_or_else(|| anyhow!(NO_SUCH_PROJECT))?
597 .host_connection_id;
598 let response = self
599 .peer
600 .forward_request(request.sender_id, host_connection_id, request.payload)
601 .await?;
602 self.peer.respond(receipt, response)?;
603 Ok(())
604 }
605
606 async fn open_buffer(
607 self: Arc<Server>,
608 request: TypedEnvelope<proto::OpenBuffer>,
609 ) -> tide::Result<()> {
610 let receipt = request.receipt();
611 let host_connection_id = self
612 .state()
613 .read_project(request.payload.project_id, request.sender_id)
614 .ok_or_else(|| anyhow!(NO_SUCH_PROJECT))?
615 .host_connection_id;
616 let response = self
617 .peer
618 .forward_request(request.sender_id, host_connection_id, request.payload)
619 .await?;
620 self.peer.respond(receipt, response)?;
621 Ok(())
622 }
623
624 async fn close_buffer(
625 self: Arc<Server>,
626 request: TypedEnvelope<proto::CloseBuffer>,
627 ) -> tide::Result<()> {
628 let host_connection_id = self
629 .state()
630 .read_project(request.payload.project_id, request.sender_id)
631 .ok_or_else(|| anyhow!(NO_SUCH_PROJECT))?
632 .host_connection_id;
633 self.peer
634 .forward_send(request.sender_id, host_connection_id, request.payload)?;
635 Ok(())
636 }
637
638 async fn save_buffer(
639 self: Arc<Server>,
640 request: TypedEnvelope<proto::SaveBuffer>,
641 ) -> tide::Result<()> {
642 let host;
643 let guests;
644 {
645 let state = self.state();
646 let project = state
647 .read_project(request.payload.project_id, request.sender_id)
648 .ok_or_else(|| anyhow!(NO_SUCH_PROJECT))?;
649 host = project.host_connection_id;
650 guests = project.guest_connection_ids()
651 }
652
653 let sender = request.sender_id;
654 let receipt = request.receipt();
655 let response = self
656 .peer
657 .forward_request(sender, host, request.payload.clone())
658 .await?;
659
660 broadcast(host, guests, |conn_id| {
661 let response = response.clone();
662 if conn_id == sender {
663 self.peer.respond(receipt, response)
664 } else {
665 self.peer.forward_send(host, conn_id, response)
666 }
667 })?;
668
669 Ok(())
670 }
671
672 async fn format_buffer(
673 self: Arc<Server>,
674 request: TypedEnvelope<proto::FormatBuffer>,
675 ) -> tide::Result<()> {
676 let host;
677 {
678 let state = self.state();
679 let project = state
680 .read_project(request.payload.project_id, request.sender_id)
681 .ok_or_else(|| anyhow!(NO_SUCH_PROJECT))?;
682 host = project.host_connection_id;
683 }
684
685 let sender = request.sender_id;
686 let receipt = request.receipt();
687 let response = self
688 .peer
689 .forward_request(sender, host, request.payload.clone())
690 .await?;
691 self.peer.respond(receipt, response)?;
692
693 Ok(())
694 }
695
696 async fn get_completions(
697 self: Arc<Server>,
698 request: TypedEnvelope<proto::GetCompletions>,
699 ) -> tide::Result<()> {
700 let host;
701 {
702 let state = self.state();
703 let project = state
704 .read_project(request.payload.project_id, request.sender_id)
705 .ok_or_else(|| anyhow!(NO_SUCH_PROJECT))?;
706 host = project.host_connection_id;
707 }
708
709 let sender = request.sender_id;
710 let receipt = request.receipt();
711 let response = self
712 .peer
713 .forward_request(sender, host, request.payload.clone())
714 .await?;
715 self.peer.respond(receipt, response)?;
716 Ok(())
717 }
718
719 async fn apply_additional_edits_for_completion(
720 self: Arc<Server>,
721 request: TypedEnvelope<proto::ApplyCompletionAdditionalEdits>,
722 ) -> tide::Result<()> {
723 let host;
724 {
725 let state = self.state();
726 let project = state
727 .read_project(request.payload.project_id, request.sender_id)
728 .ok_or_else(|| anyhow!(NO_SUCH_PROJECT))?;
729 host = project.host_connection_id;
730 }
731
732 let sender = request.sender_id;
733 let receipt = request.receipt();
734 let response = self
735 .peer
736 .forward_request(sender, host, request.payload.clone())
737 .await?;
738 self.peer.respond(receipt, response)?;
739 Ok(())
740 }
741
742 async fn get_code_actions(
743 self: Arc<Server>,
744 request: TypedEnvelope<proto::GetCodeActions>,
745 ) -> tide::Result<()> {
746 let host;
747 {
748 let state = self.state();
749 let project = state
750 .read_project(request.payload.project_id, request.sender_id)
751 .ok_or_else(|| anyhow!(NO_SUCH_PROJECT))?;
752 host = project.host_connection_id;
753 }
754
755 let sender = request.sender_id;
756 let receipt = request.receipt();
757 let response = self
758 .peer
759 .forward_request(sender, host, request.payload.clone())
760 .await?;
761 self.peer.respond(receipt, response)?;
762 Ok(())
763 }
764
765 async fn apply_code_action(
766 self: Arc<Server>,
767 request: TypedEnvelope<proto::ApplyCodeAction>,
768 ) -> tide::Result<()> {
769 let host;
770 {
771 let state = self.state();
772 let project = state
773 .read_project(request.payload.project_id, request.sender_id)
774 .ok_or_else(|| anyhow!(NO_SUCH_PROJECT))?;
775 host = project.host_connection_id;
776 }
777
778 let sender = request.sender_id;
779 let receipt = request.receipt();
780 let response = self
781 .peer
782 .forward_request(sender, host, request.payload.clone())
783 .await?;
784 self.peer.respond(receipt, response)?;
785 Ok(())
786 }
787
788 async fn update_buffer(
789 self: Arc<Server>,
790 request: TypedEnvelope<proto::UpdateBuffer>,
791 ) -> tide::Result<()> {
792 let receiver_ids = self
793 .state()
794 .project_connection_ids(request.payload.project_id, request.sender_id)
795 .ok_or_else(|| anyhow!(NO_SUCH_PROJECT))?;
796 broadcast(request.sender_id, receiver_ids, |connection_id| {
797 self.peer
798 .forward_send(request.sender_id, connection_id, request.payload.clone())
799 })?;
800 self.peer.respond(request.receipt(), proto::Ack {})?;
801 Ok(())
802 }
803
804 async fn update_buffer_file(
805 self: Arc<Server>,
806 request: TypedEnvelope<proto::UpdateBufferFile>,
807 ) -> tide::Result<()> {
808 let receiver_ids = self
809 .state()
810 .project_connection_ids(request.payload.project_id, request.sender_id)
811 .ok_or_else(|| anyhow!(NO_SUCH_PROJECT))?;
812 broadcast(request.sender_id, receiver_ids, |connection_id| {
813 self.peer
814 .forward_send(request.sender_id, connection_id, request.payload.clone())
815 })?;
816 Ok(())
817 }
818
819 async fn buffer_reloaded(
820 self: Arc<Server>,
821 request: TypedEnvelope<proto::BufferReloaded>,
822 ) -> tide::Result<()> {
823 let receiver_ids = self
824 .state()
825 .project_connection_ids(request.payload.project_id, request.sender_id)
826 .ok_or_else(|| anyhow!(NO_SUCH_PROJECT))?;
827 broadcast(request.sender_id, receiver_ids, |connection_id| {
828 self.peer
829 .forward_send(request.sender_id, connection_id, request.payload.clone())
830 })?;
831 Ok(())
832 }
833
834 async fn buffer_saved(
835 self: Arc<Server>,
836 request: TypedEnvelope<proto::BufferSaved>,
837 ) -> tide::Result<()> {
838 let receiver_ids = self
839 .state()
840 .project_connection_ids(request.payload.project_id, request.sender_id)
841 .ok_or_else(|| anyhow!(NO_SUCH_PROJECT))?;
842 broadcast(request.sender_id, receiver_ids, |connection_id| {
843 self.peer
844 .forward_send(request.sender_id, connection_id, request.payload.clone())
845 })?;
846 Ok(())
847 }
848
849 async fn get_channels(
850 self: Arc<Server>,
851 request: TypedEnvelope<proto::GetChannels>,
852 ) -> tide::Result<()> {
853 let user_id = self.state().user_id_for_connection(request.sender_id)?;
854 let channels = self.app_state.db.get_accessible_channels(user_id).await?;
855 self.peer.respond(
856 request.receipt(),
857 proto::GetChannelsResponse {
858 channels: channels
859 .into_iter()
860 .map(|chan| proto::Channel {
861 id: chan.id.to_proto(),
862 name: chan.name,
863 })
864 .collect(),
865 },
866 )?;
867 Ok(())
868 }
869
870 async fn get_users(
871 self: Arc<Server>,
872 request: TypedEnvelope<proto::GetUsers>,
873 ) -> tide::Result<()> {
874 let receipt = request.receipt();
875 let user_ids = request.payload.user_ids.into_iter().map(UserId::from_proto);
876 let users = self
877 .app_state
878 .db
879 .get_users_by_ids(user_ids)
880 .await?
881 .into_iter()
882 .map(|user| proto::User {
883 id: user.id.to_proto(),
884 avatar_url: format!("https://github.com/{}.png?size=128", user.github_login),
885 github_login: user.github_login,
886 })
887 .collect();
888 self.peer
889 .respond(receipt, proto::GetUsersResponse { users })?;
890 Ok(())
891 }
892
893 fn update_contacts_for_users<'a>(
894 self: &Arc<Server>,
895 user_ids: impl IntoIterator<Item = &'a UserId>,
896 ) -> anyhow::Result<()> {
897 let mut result = Ok(());
898 let state = self.state();
899 for user_id in user_ids {
900 let contacts = state.contacts_for_user(*user_id);
901 for connection_id in state.connection_ids_for_user(*user_id) {
902 if let Err(error) = self.peer.send(
903 connection_id,
904 proto::UpdateContacts {
905 contacts: contacts.clone(),
906 },
907 ) {
908 result = Err(error);
909 }
910 }
911 }
912 result
913 }
914
915 async fn join_channel(
916 mut self: Arc<Self>,
917 request: TypedEnvelope<proto::JoinChannel>,
918 ) -> tide::Result<()> {
919 let user_id = self.state().user_id_for_connection(request.sender_id)?;
920 let channel_id = ChannelId::from_proto(request.payload.channel_id);
921 if !self
922 .app_state
923 .db
924 .can_user_access_channel(user_id, channel_id)
925 .await?
926 {
927 Err(anyhow!("access denied"))?;
928 }
929
930 self.state_mut().join_channel(request.sender_id, channel_id);
931 let messages = self
932 .app_state
933 .db
934 .get_channel_messages(channel_id, MESSAGE_COUNT_PER_PAGE, None)
935 .await?
936 .into_iter()
937 .map(|msg| proto::ChannelMessage {
938 id: msg.id.to_proto(),
939 body: msg.body,
940 timestamp: msg.sent_at.unix_timestamp() as u64,
941 sender_id: msg.sender_id.to_proto(),
942 nonce: Some(msg.nonce.as_u128().into()),
943 })
944 .collect::<Vec<_>>();
945 self.peer.respond(
946 request.receipt(),
947 proto::JoinChannelResponse {
948 done: messages.len() < MESSAGE_COUNT_PER_PAGE,
949 messages,
950 },
951 )?;
952 Ok(())
953 }
954
955 async fn leave_channel(
956 mut self: Arc<Self>,
957 request: TypedEnvelope<proto::LeaveChannel>,
958 ) -> tide::Result<()> {
959 let user_id = self.state().user_id_for_connection(request.sender_id)?;
960 let channel_id = ChannelId::from_proto(request.payload.channel_id);
961 if !self
962 .app_state
963 .db
964 .can_user_access_channel(user_id, channel_id)
965 .await?
966 {
967 Err(anyhow!("access denied"))?;
968 }
969
970 self.state_mut()
971 .leave_channel(request.sender_id, channel_id);
972
973 Ok(())
974 }
975
976 async fn send_channel_message(
977 self: Arc<Self>,
978 request: TypedEnvelope<proto::SendChannelMessage>,
979 ) -> tide::Result<()> {
980 let receipt = request.receipt();
981 let channel_id = ChannelId::from_proto(request.payload.channel_id);
982 let user_id;
983 let connection_ids;
984 {
985 let state = self.state();
986 user_id = state.user_id_for_connection(request.sender_id)?;
987 if let Some(ids) = state.channel_connection_ids(channel_id) {
988 connection_ids = ids;
989 } else {
990 return Ok(());
991 }
992 }
993
994 // Validate the message body.
995 let body = request.payload.body.trim().to_string();
996 if body.len() > MAX_MESSAGE_LEN {
997 self.peer.respond_with_error(
998 receipt,
999 proto::Error {
1000 message: "message is too long".to_string(),
1001 },
1002 )?;
1003 return Ok(());
1004 }
1005 if body.is_empty() {
1006 self.peer.respond_with_error(
1007 receipt,
1008 proto::Error {
1009 message: "message can't be blank".to_string(),
1010 },
1011 )?;
1012 return Ok(());
1013 }
1014
1015 let timestamp = OffsetDateTime::now_utc();
1016 let nonce = if let Some(nonce) = request.payload.nonce {
1017 nonce
1018 } else {
1019 self.peer.respond_with_error(
1020 receipt,
1021 proto::Error {
1022 message: "nonce can't be blank".to_string(),
1023 },
1024 )?;
1025 return Ok(());
1026 };
1027
1028 let message_id = self
1029 .app_state
1030 .db
1031 .create_channel_message(channel_id, user_id, &body, timestamp, nonce.clone().into())
1032 .await?
1033 .to_proto();
1034 let message = proto::ChannelMessage {
1035 sender_id: user_id.to_proto(),
1036 id: message_id,
1037 body,
1038 timestamp: timestamp.unix_timestamp() as u64,
1039 nonce: Some(nonce),
1040 };
1041 broadcast(request.sender_id, connection_ids, |conn_id| {
1042 self.peer.send(
1043 conn_id,
1044 proto::ChannelMessageSent {
1045 channel_id: channel_id.to_proto(),
1046 message: Some(message.clone()),
1047 },
1048 )
1049 })?;
1050 self.peer.respond(
1051 receipt,
1052 proto::SendChannelMessageResponse {
1053 message: Some(message),
1054 },
1055 )?;
1056 Ok(())
1057 }
1058
1059 async fn get_channel_messages(
1060 self: Arc<Self>,
1061 request: TypedEnvelope<proto::GetChannelMessages>,
1062 ) -> tide::Result<()> {
1063 let user_id = self.state().user_id_for_connection(request.sender_id)?;
1064 let channel_id = ChannelId::from_proto(request.payload.channel_id);
1065 if !self
1066 .app_state
1067 .db
1068 .can_user_access_channel(user_id, channel_id)
1069 .await?
1070 {
1071 Err(anyhow!("access denied"))?;
1072 }
1073
1074 let messages = self
1075 .app_state
1076 .db
1077 .get_channel_messages(
1078 channel_id,
1079 MESSAGE_COUNT_PER_PAGE,
1080 Some(MessageId::from_proto(request.payload.before_message_id)),
1081 )
1082 .await?
1083 .into_iter()
1084 .map(|msg| proto::ChannelMessage {
1085 id: msg.id.to_proto(),
1086 body: msg.body,
1087 timestamp: msg.sent_at.unix_timestamp() as u64,
1088 sender_id: msg.sender_id.to_proto(),
1089 nonce: Some(msg.nonce.as_u128().into()),
1090 })
1091 .collect::<Vec<_>>();
1092 self.peer.respond(
1093 request.receipt(),
1094 proto::GetChannelMessagesResponse {
1095 done: messages.len() < MESSAGE_COUNT_PER_PAGE,
1096 messages,
1097 },
1098 )?;
1099 Ok(())
1100 }
1101
1102 fn state<'a>(self: &'a Arc<Self>) -> RwLockReadGuard<'a, Store> {
1103 self.store.read()
1104 }
1105
1106 fn state_mut<'a>(self: &'a mut Arc<Self>) -> RwLockWriteGuard<'a, Store> {
1107 self.store.write()
1108 }
1109}
1110
1111fn broadcast<F>(
1112 sender_id: ConnectionId,
1113 receiver_ids: Vec<ConnectionId>,
1114 mut f: F,
1115) -> anyhow::Result<()>
1116where
1117 F: FnMut(ConnectionId) -> anyhow::Result<()>,
1118{
1119 let mut result = Ok(());
1120 for receiver_id in receiver_ids {
1121 if receiver_id != sender_id {
1122 if let Err(error) = f(receiver_id) {
1123 if result.is_ok() {
1124 result = Err(error);
1125 }
1126 }
1127 }
1128 }
1129 result
1130}
1131
1132pub fn add_routes(app: &mut tide::Server<Arc<AppState>>, rpc: &Arc<Peer>) {
1133 let server = Server::new(app.state().clone(), rpc.clone(), None);
1134 app.at("/rpc").get(move |request: Request<Arc<AppState>>| {
1135 let server = server.clone();
1136 async move {
1137 const WEBSOCKET_GUID: &str = "258EAFA5-E914-47DA-95CA-C5AB0DC85B11";
1138
1139 let connection_upgrade = header_contains_ignore_case(&request, CONNECTION, "upgrade");
1140 let upgrade_to_websocket = header_contains_ignore_case(&request, UPGRADE, "websocket");
1141 let upgrade_requested = connection_upgrade && upgrade_to_websocket;
1142 let client_protocol_version: Option<u32> = request
1143 .header("X-Zed-Protocol-Version")
1144 .and_then(|v| v.as_str().parse().ok());
1145
1146 if !upgrade_requested || client_protocol_version != Some(rpc::PROTOCOL_VERSION) {
1147 return Ok(Response::new(StatusCode::UpgradeRequired));
1148 }
1149
1150 let header = match request.header("Sec-Websocket-Key") {
1151 Some(h) => h.as_str(),
1152 None => return Err(anyhow!("expected sec-websocket-key"))?,
1153 };
1154
1155 let user_id = process_auth_header(&request).await?;
1156
1157 let mut response = Response::new(StatusCode::SwitchingProtocols);
1158 response.insert_header(UPGRADE, "websocket");
1159 response.insert_header(CONNECTION, "Upgrade");
1160 let hash = Sha1::new().chain(header).chain(WEBSOCKET_GUID).finalize();
1161 response.insert_header("Sec-Websocket-Accept", base64::encode(&hash[..]));
1162 response.insert_header("Sec-Websocket-Version", "13");
1163
1164 let http_res: &mut tide::http::Response = response.as_mut();
1165 let upgrade_receiver = http_res.recv_upgrade().await;
1166 let addr = request.remote().unwrap_or("unknown").to_string();
1167 task::spawn(async move {
1168 if let Some(stream) = upgrade_receiver.await {
1169 server
1170 .handle_connection(
1171 Connection::new(
1172 WebSocketStream::from_raw_socket(stream, Role::Server, None).await,
1173 ),
1174 addr,
1175 user_id,
1176 None,
1177 )
1178 .await;
1179 }
1180 });
1181
1182 Ok(response)
1183 }
1184 });
1185}
1186
1187fn header_contains_ignore_case<T>(
1188 request: &tide::Request<T>,
1189 header_name: HeaderName,
1190 value: &str,
1191) -> bool {
1192 request
1193 .header(header_name)
1194 .map(|h| {
1195 h.as_str()
1196 .split(',')
1197 .any(|s| s.trim().eq_ignore_ascii_case(value.trim()))
1198 })
1199 .unwrap_or(false)
1200}
1201
1202#[cfg(test)]
1203mod tests {
1204 use super::*;
1205 use crate::{
1206 auth,
1207 db::{tests::TestDb, UserId},
1208 github, AppState, Config,
1209 };
1210 use ::rpc::Peer;
1211 use async_std::task;
1212 use gpui::{executor, ModelHandle, TestAppContext};
1213 use parking_lot::Mutex;
1214 use postage::{mpsc, watch};
1215 use rand::prelude::*;
1216 use rpc::PeerId;
1217 use serde_json::json;
1218 use sqlx::types::time::OffsetDateTime;
1219 use std::{
1220 ops::Deref,
1221 path::Path,
1222 rc::Rc,
1223 sync::{
1224 atomic::{AtomicBool, Ordering::SeqCst},
1225 Arc,
1226 },
1227 time::Duration,
1228 };
1229 use zed::{
1230 client::{
1231 self, test::FakeHttpClient, Channel, ChannelDetails, ChannelList, Client, Credentials,
1232 EstablishConnectionError, UserStore,
1233 },
1234 editor::{ConfirmCompletion, Editor, EditorSettings, Input, MultiBuffer},
1235 fs::{FakeFs, Fs as _},
1236 language::{
1237 tree_sitter_rust, AnchorRangeExt, Diagnostic, DiagnosticEntry, Language,
1238 LanguageConfig, LanguageRegistry, LanguageServerConfig, Point,
1239 },
1240 lsp,
1241 project::{DiagnosticSummary, Project, ProjectPath},
1242 };
1243
1244 #[cfg(test)]
1245 #[ctor::ctor]
1246 fn init_logger() {
1247 if std::env::var("RUST_LOG").is_ok() {
1248 env_logger::init();
1249 }
1250 }
1251
1252 #[gpui::test(iterations = 10)]
1253 async fn test_share_project(mut cx_a: TestAppContext, mut cx_b: TestAppContext) {
1254 let (window_b, _) = cx_b.add_window(|_| EmptyView);
1255 let lang_registry = Arc::new(LanguageRegistry::new());
1256 let fs = Arc::new(FakeFs::new(cx_a.background()));
1257 cx_a.foreground().forbid_parking();
1258
1259 // Connect to a server as 2 clients.
1260 let mut server = TestServer::start(cx_a.foreground()).await;
1261 let client_a = server.create_client(&mut cx_a, "user_a").await;
1262 let client_b = server.create_client(&mut cx_b, "user_b").await;
1263
1264 // Share a project as client A
1265 fs.insert_tree(
1266 "/a",
1267 json!({
1268 ".zed.toml": r#"collaborators = ["user_b"]"#,
1269 "a.txt": "a-contents",
1270 "b.txt": "b-contents",
1271 }),
1272 )
1273 .await;
1274 let project_a = cx_a.update(|cx| {
1275 Project::local(
1276 client_a.clone(),
1277 client_a.user_store.clone(),
1278 lang_registry.clone(),
1279 fs.clone(),
1280 cx,
1281 )
1282 });
1283 let (worktree_a, _) = project_a
1284 .update(&mut cx_a, |p, cx| {
1285 p.find_or_create_local_worktree("/a", false, cx)
1286 })
1287 .await
1288 .unwrap();
1289 let worktree_id = worktree_a.read_with(&cx_a, |tree, _| tree.id());
1290 worktree_a
1291 .read_with(&cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
1292 .await;
1293 let project_id = project_a.update(&mut cx_a, |p, _| p.next_remote_id()).await;
1294 project_a
1295 .update(&mut cx_a, |p, cx| p.share(cx))
1296 .await
1297 .unwrap();
1298
1299 // Join that project as client B
1300 let project_b = Project::remote(
1301 project_id,
1302 client_b.clone(),
1303 client_b.user_store.clone(),
1304 lang_registry.clone(),
1305 fs.clone(),
1306 &mut cx_b.to_async(),
1307 )
1308 .await
1309 .unwrap();
1310
1311 let replica_id_b = project_b.read_with(&cx_b, |project, _| {
1312 assert_eq!(
1313 project
1314 .collaborators()
1315 .get(&client_a.peer_id)
1316 .unwrap()
1317 .user
1318 .github_login,
1319 "user_a"
1320 );
1321 project.replica_id()
1322 });
1323 project_a
1324 .condition(&cx_a, |tree, _| {
1325 tree.collaborators()
1326 .get(&client_b.peer_id)
1327 .map_or(false, |collaborator| {
1328 collaborator.replica_id == replica_id_b
1329 && collaborator.user.github_login == "user_b"
1330 })
1331 })
1332 .await;
1333
1334 // Open the same file as client B and client A.
1335 let buffer_b = project_b
1336 .update(&mut cx_b, |p, cx| p.open_buffer((worktree_id, "b.txt"), cx))
1337 .await
1338 .unwrap();
1339 let buffer_b = cx_b.add_model(|cx| MultiBuffer::singleton(buffer_b, cx));
1340 buffer_b.read_with(&cx_b, |buf, cx| {
1341 assert_eq!(buf.read(cx).text(), "b-contents")
1342 });
1343 project_a.read_with(&cx_a, |project, cx| {
1344 assert!(project.has_open_buffer((worktree_id, "b.txt"), cx))
1345 });
1346 let buffer_a = project_a
1347 .update(&mut cx_a, |p, cx| p.open_buffer((worktree_id, "b.txt"), cx))
1348 .await
1349 .unwrap();
1350
1351 let editor_b = cx_b.add_view(window_b, |cx| {
1352 Editor::for_buffer(buffer_b, Arc::new(|cx| EditorSettings::test(cx)), cx)
1353 });
1354
1355 // TODO
1356 // // Create a selection set as client B and see that selection set as client A.
1357 // buffer_a
1358 // .condition(&cx_a, |buffer, _| buffer.selection_sets().count() == 1)
1359 // .await;
1360
1361 // Edit the buffer as client B and see that edit as client A.
1362 editor_b.update(&mut cx_b, |editor, cx| {
1363 editor.handle_input(&Input("ok, ".into()), cx)
1364 });
1365 buffer_a
1366 .condition(&cx_a, |buffer, _| buffer.text() == "ok, b-contents")
1367 .await;
1368
1369 // TODO
1370 // // Remove the selection set as client B, see those selections disappear as client A.
1371 cx_b.update(move |_| drop(editor_b));
1372 // buffer_a
1373 // .condition(&cx_a, |buffer, _| buffer.selection_sets().count() == 0)
1374 // .await;
1375
1376 // Close the buffer as client A, see that the buffer is closed.
1377 cx_a.update(move |_| drop(buffer_a));
1378 project_a
1379 .condition(&cx_a, |project, cx| {
1380 !project.has_open_buffer((worktree_id, "b.txt"), cx)
1381 })
1382 .await;
1383
1384 // Dropping the client B's project removes client B from client A's collaborators.
1385 cx_b.update(move |_| drop(project_b));
1386 project_a
1387 .condition(&cx_a, |project, _| project.collaborators().is_empty())
1388 .await;
1389 }
1390
1391 #[gpui::test(iterations = 10)]
1392 async fn test_unshare_project(mut cx_a: TestAppContext, mut cx_b: TestAppContext) {
1393 let lang_registry = Arc::new(LanguageRegistry::new());
1394 let fs = Arc::new(FakeFs::new(cx_a.background()));
1395 cx_a.foreground().forbid_parking();
1396
1397 // Connect to a server as 2 clients.
1398 let mut server = TestServer::start(cx_a.foreground()).await;
1399 let client_a = server.create_client(&mut cx_a, "user_a").await;
1400 let client_b = server.create_client(&mut cx_b, "user_b").await;
1401
1402 // Share a project as client A
1403 fs.insert_tree(
1404 "/a",
1405 json!({
1406 ".zed.toml": r#"collaborators = ["user_b"]"#,
1407 "a.txt": "a-contents",
1408 "b.txt": "b-contents",
1409 }),
1410 )
1411 .await;
1412 let project_a = cx_a.update(|cx| {
1413 Project::local(
1414 client_a.clone(),
1415 client_a.user_store.clone(),
1416 lang_registry.clone(),
1417 fs.clone(),
1418 cx,
1419 )
1420 });
1421 let (worktree_a, _) = project_a
1422 .update(&mut cx_a, |p, cx| {
1423 p.find_or_create_local_worktree("/a", false, cx)
1424 })
1425 .await
1426 .unwrap();
1427 worktree_a
1428 .read_with(&cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
1429 .await;
1430 let project_id = project_a.update(&mut cx_a, |p, _| p.next_remote_id()).await;
1431 let worktree_id = worktree_a.read_with(&cx_a, |tree, _| tree.id());
1432 project_a
1433 .update(&mut cx_a, |p, cx| p.share(cx))
1434 .await
1435 .unwrap();
1436 assert!(worktree_a.read_with(&cx_a, |tree, _| tree.as_local().unwrap().is_shared()));
1437
1438 // Join that project as client B
1439 let project_b = Project::remote(
1440 project_id,
1441 client_b.clone(),
1442 client_b.user_store.clone(),
1443 lang_registry.clone(),
1444 fs.clone(),
1445 &mut cx_b.to_async(),
1446 )
1447 .await
1448 .unwrap();
1449 project_b
1450 .update(&mut cx_b, |p, cx| p.open_buffer((worktree_id, "a.txt"), cx))
1451 .await
1452 .unwrap();
1453
1454 // Unshare the project as client A
1455 project_a
1456 .update(&mut cx_a, |project, cx| project.unshare(cx))
1457 .await
1458 .unwrap();
1459 project_b
1460 .condition(&mut cx_b, |project, _| project.is_read_only())
1461 .await;
1462 assert!(worktree_a.read_with(&cx_a, |tree, _| !tree.as_local().unwrap().is_shared()));
1463 drop(project_b);
1464
1465 // Share the project again and ensure guests can still join.
1466 project_a
1467 .update(&mut cx_a, |project, cx| project.share(cx))
1468 .await
1469 .unwrap();
1470 assert!(worktree_a.read_with(&cx_a, |tree, _| tree.as_local().unwrap().is_shared()));
1471
1472 let project_c = Project::remote(
1473 project_id,
1474 client_b.clone(),
1475 client_b.user_store.clone(),
1476 lang_registry.clone(),
1477 fs.clone(),
1478 &mut cx_b.to_async(),
1479 )
1480 .await
1481 .unwrap();
1482 project_c
1483 .update(&mut cx_b, |p, cx| p.open_buffer((worktree_id, "a.txt"), cx))
1484 .await
1485 .unwrap();
1486 }
1487
1488 #[gpui::test(iterations = 10)]
1489 async fn test_propagate_saves_and_fs_changes(
1490 mut cx_a: TestAppContext,
1491 mut cx_b: TestAppContext,
1492 mut cx_c: TestAppContext,
1493 ) {
1494 let lang_registry = Arc::new(LanguageRegistry::new());
1495 let fs = Arc::new(FakeFs::new(cx_a.background()));
1496 cx_a.foreground().forbid_parking();
1497
1498 // Connect to a server as 3 clients.
1499 let mut server = TestServer::start(cx_a.foreground()).await;
1500 let client_a = server.create_client(&mut cx_a, "user_a").await;
1501 let client_b = server.create_client(&mut cx_b, "user_b").await;
1502 let client_c = server.create_client(&mut cx_c, "user_c").await;
1503
1504 // Share a worktree as client A.
1505 fs.insert_tree(
1506 "/a",
1507 json!({
1508 ".zed.toml": r#"collaborators = ["user_b", "user_c"]"#,
1509 "file1": "",
1510 "file2": ""
1511 }),
1512 )
1513 .await;
1514 let project_a = cx_a.update(|cx| {
1515 Project::local(
1516 client_a.clone(),
1517 client_a.user_store.clone(),
1518 lang_registry.clone(),
1519 fs.clone(),
1520 cx,
1521 )
1522 });
1523 let (worktree_a, _) = project_a
1524 .update(&mut cx_a, |p, cx| {
1525 p.find_or_create_local_worktree("/a", false, cx)
1526 })
1527 .await
1528 .unwrap();
1529 worktree_a
1530 .read_with(&cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
1531 .await;
1532 let project_id = project_a.update(&mut cx_a, |p, _| p.next_remote_id()).await;
1533 let worktree_id = worktree_a.read_with(&cx_a, |tree, _| tree.id());
1534 project_a
1535 .update(&mut cx_a, |p, cx| p.share(cx))
1536 .await
1537 .unwrap();
1538
1539 // Join that worktree as clients B and C.
1540 let project_b = Project::remote(
1541 project_id,
1542 client_b.clone(),
1543 client_b.user_store.clone(),
1544 lang_registry.clone(),
1545 fs.clone(),
1546 &mut cx_b.to_async(),
1547 )
1548 .await
1549 .unwrap();
1550 let project_c = Project::remote(
1551 project_id,
1552 client_c.clone(),
1553 client_c.user_store.clone(),
1554 lang_registry.clone(),
1555 fs.clone(),
1556 &mut cx_c.to_async(),
1557 )
1558 .await
1559 .unwrap();
1560 let worktree_b = project_b.read_with(&cx_b, |p, cx| p.worktrees(cx).next().unwrap());
1561 let worktree_c = project_c.read_with(&cx_c, |p, cx| p.worktrees(cx).next().unwrap());
1562
1563 // Open and edit a buffer as both guests B and C.
1564 let buffer_b = project_b
1565 .update(&mut cx_b, |p, cx| p.open_buffer((worktree_id, "file1"), cx))
1566 .await
1567 .unwrap();
1568 let buffer_c = project_c
1569 .update(&mut cx_c, |p, cx| p.open_buffer((worktree_id, "file1"), cx))
1570 .await
1571 .unwrap();
1572 buffer_b.update(&mut cx_b, |buf, cx| buf.edit([0..0], "i-am-b, ", cx));
1573 buffer_c.update(&mut cx_c, |buf, cx| buf.edit([0..0], "i-am-c, ", cx));
1574
1575 // Open and edit that buffer as the host.
1576 let buffer_a = project_a
1577 .update(&mut cx_a, |p, cx| p.open_buffer((worktree_id, "file1"), cx))
1578 .await
1579 .unwrap();
1580
1581 buffer_a
1582 .condition(&mut cx_a, |buf, _| buf.text() == "i-am-c, i-am-b, ")
1583 .await;
1584 buffer_a.update(&mut cx_a, |buf, cx| {
1585 buf.edit([buf.len()..buf.len()], "i-am-a", cx)
1586 });
1587
1588 // Wait for edits to propagate
1589 buffer_a
1590 .condition(&mut cx_a, |buf, _| buf.text() == "i-am-c, i-am-b, i-am-a")
1591 .await;
1592 buffer_b
1593 .condition(&mut cx_b, |buf, _| buf.text() == "i-am-c, i-am-b, i-am-a")
1594 .await;
1595 buffer_c
1596 .condition(&mut cx_c, |buf, _| buf.text() == "i-am-c, i-am-b, i-am-a")
1597 .await;
1598
1599 // Edit the buffer as the host and concurrently save as guest B.
1600 let save_b = buffer_b.update(&mut cx_b, |buf, cx| buf.save(cx));
1601 buffer_a.update(&mut cx_a, |buf, cx| buf.edit([0..0], "hi-a, ", cx));
1602 save_b.await.unwrap();
1603 assert_eq!(
1604 fs.load("/a/file1".as_ref()).await.unwrap(),
1605 "hi-a, i-am-c, i-am-b, i-am-a"
1606 );
1607 buffer_a.read_with(&cx_a, |buf, _| assert!(!buf.is_dirty()));
1608 buffer_b.read_with(&cx_b, |buf, _| assert!(!buf.is_dirty()));
1609 buffer_c.condition(&cx_c, |buf, _| !buf.is_dirty()).await;
1610
1611 // Make changes on host's file system, see those changes on guest worktrees.
1612 fs.rename(
1613 "/a/file1".as_ref(),
1614 "/a/file1-renamed".as_ref(),
1615 Default::default(),
1616 )
1617 .await
1618 .unwrap();
1619 fs.rename("/a/file2".as_ref(), "/a/file3".as_ref(), Default::default())
1620 .await
1621 .unwrap();
1622 fs.insert_file(Path::new("/a/file4"), "4".into())
1623 .await
1624 .unwrap();
1625
1626 worktree_a
1627 .condition(&cx_a, |tree, _| tree.file_count() == 4)
1628 .await;
1629 worktree_b
1630 .condition(&cx_b, |tree, _| tree.file_count() == 4)
1631 .await;
1632 worktree_c
1633 .condition(&cx_c, |tree, _| tree.file_count() == 4)
1634 .await;
1635 worktree_a.read_with(&cx_a, |tree, _| {
1636 assert_eq!(
1637 tree.paths()
1638 .map(|p| p.to_string_lossy())
1639 .collect::<Vec<_>>(),
1640 &[".zed.toml", "file1-renamed", "file3", "file4"]
1641 )
1642 });
1643 worktree_b.read_with(&cx_b, |tree, _| {
1644 assert_eq!(
1645 tree.paths()
1646 .map(|p| p.to_string_lossy())
1647 .collect::<Vec<_>>(),
1648 &[".zed.toml", "file1-renamed", "file3", "file4"]
1649 )
1650 });
1651 worktree_c.read_with(&cx_c, |tree, _| {
1652 assert_eq!(
1653 tree.paths()
1654 .map(|p| p.to_string_lossy())
1655 .collect::<Vec<_>>(),
1656 &[".zed.toml", "file1-renamed", "file3", "file4"]
1657 )
1658 });
1659
1660 // Ensure buffer files are updated as well.
1661 buffer_a
1662 .condition(&cx_a, |buf, _| {
1663 buf.file().unwrap().path().to_str() == Some("file1-renamed")
1664 })
1665 .await;
1666 buffer_b
1667 .condition(&cx_b, |buf, _| {
1668 buf.file().unwrap().path().to_str() == Some("file1-renamed")
1669 })
1670 .await;
1671 buffer_c
1672 .condition(&cx_c, |buf, _| {
1673 buf.file().unwrap().path().to_str() == Some("file1-renamed")
1674 })
1675 .await;
1676 }
1677
1678 #[gpui::test(iterations = 10)]
1679 async fn test_buffer_conflict_after_save(mut cx_a: TestAppContext, mut cx_b: TestAppContext) {
1680 cx_a.foreground().forbid_parking();
1681 let lang_registry = Arc::new(LanguageRegistry::new());
1682 let fs = Arc::new(FakeFs::new(cx_a.background()));
1683
1684 // Connect to a server as 2 clients.
1685 let mut server = TestServer::start(cx_a.foreground()).await;
1686 let client_a = server.create_client(&mut cx_a, "user_a").await;
1687 let client_b = server.create_client(&mut cx_b, "user_b").await;
1688
1689 // Share a project as client A
1690 fs.insert_tree(
1691 "/dir",
1692 json!({
1693 ".zed.toml": r#"collaborators = ["user_b", "user_c"]"#,
1694 "a.txt": "a-contents",
1695 }),
1696 )
1697 .await;
1698
1699 let project_a = cx_a.update(|cx| {
1700 Project::local(
1701 client_a.clone(),
1702 client_a.user_store.clone(),
1703 lang_registry.clone(),
1704 fs.clone(),
1705 cx,
1706 )
1707 });
1708 let (worktree_a, _) = project_a
1709 .update(&mut cx_a, |p, cx| {
1710 p.find_or_create_local_worktree("/dir", false, cx)
1711 })
1712 .await
1713 .unwrap();
1714 worktree_a
1715 .read_with(&cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
1716 .await;
1717 let project_id = project_a.update(&mut cx_a, |p, _| p.next_remote_id()).await;
1718 let worktree_id = worktree_a.read_with(&cx_a, |tree, _| tree.id());
1719 project_a
1720 .update(&mut cx_a, |p, cx| p.share(cx))
1721 .await
1722 .unwrap();
1723
1724 // Join that project as client B
1725 let project_b = Project::remote(
1726 project_id,
1727 client_b.clone(),
1728 client_b.user_store.clone(),
1729 lang_registry.clone(),
1730 fs.clone(),
1731 &mut cx_b.to_async(),
1732 )
1733 .await
1734 .unwrap();
1735 let worktree_b = project_b.update(&mut cx_b, |p, cx| p.worktrees(cx).next().unwrap());
1736
1737 // Open a buffer as client B
1738 let buffer_b = project_b
1739 .update(&mut cx_b, |p, cx| p.open_buffer((worktree_id, "a.txt"), cx))
1740 .await
1741 .unwrap();
1742 let mtime = buffer_b.read_with(&cx_b, |buf, _| buf.file().unwrap().mtime());
1743
1744 buffer_b.update(&mut cx_b, |buf, cx| buf.edit([0..0], "world ", cx));
1745 buffer_b.read_with(&cx_b, |buf, _| {
1746 assert!(buf.is_dirty());
1747 assert!(!buf.has_conflict());
1748 });
1749
1750 buffer_b
1751 .update(&mut cx_b, |buf, cx| buf.save(cx))
1752 .await
1753 .unwrap();
1754 worktree_b
1755 .condition(&cx_b, |_, cx| {
1756 buffer_b.read(cx).file().unwrap().mtime() != mtime
1757 })
1758 .await;
1759 buffer_b.read_with(&cx_b, |buf, _| {
1760 assert!(!buf.is_dirty());
1761 assert!(!buf.has_conflict());
1762 });
1763
1764 buffer_b.update(&mut cx_b, |buf, cx| buf.edit([0..0], "hello ", cx));
1765 buffer_b.read_with(&cx_b, |buf, _| {
1766 assert!(buf.is_dirty());
1767 assert!(!buf.has_conflict());
1768 });
1769 }
1770
1771 #[gpui::test(iterations = 10)]
1772 async fn test_buffer_reloading(mut cx_a: TestAppContext, mut cx_b: TestAppContext) {
1773 cx_a.foreground().forbid_parking();
1774 let lang_registry = Arc::new(LanguageRegistry::new());
1775 let fs = Arc::new(FakeFs::new(cx_a.background()));
1776
1777 // Connect to a server as 2 clients.
1778 let mut server = TestServer::start(cx_a.foreground()).await;
1779 let client_a = server.create_client(&mut cx_a, "user_a").await;
1780 let client_b = server.create_client(&mut cx_b, "user_b").await;
1781
1782 // Share a project as client A
1783 fs.insert_tree(
1784 "/dir",
1785 json!({
1786 ".zed.toml": r#"collaborators = ["user_b", "user_c"]"#,
1787 "a.txt": "a-contents",
1788 }),
1789 )
1790 .await;
1791
1792 let project_a = cx_a.update(|cx| {
1793 Project::local(
1794 client_a.clone(),
1795 client_a.user_store.clone(),
1796 lang_registry.clone(),
1797 fs.clone(),
1798 cx,
1799 )
1800 });
1801 let (worktree_a, _) = project_a
1802 .update(&mut cx_a, |p, cx| {
1803 p.find_or_create_local_worktree("/dir", false, cx)
1804 })
1805 .await
1806 .unwrap();
1807 worktree_a
1808 .read_with(&cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
1809 .await;
1810 let project_id = project_a.update(&mut cx_a, |p, _| p.next_remote_id()).await;
1811 let worktree_id = worktree_a.read_with(&cx_a, |tree, _| tree.id());
1812 project_a
1813 .update(&mut cx_a, |p, cx| p.share(cx))
1814 .await
1815 .unwrap();
1816
1817 // Join that project as client B
1818 let project_b = Project::remote(
1819 project_id,
1820 client_b.clone(),
1821 client_b.user_store.clone(),
1822 lang_registry.clone(),
1823 fs.clone(),
1824 &mut cx_b.to_async(),
1825 )
1826 .await
1827 .unwrap();
1828 let _worktree_b = project_b.update(&mut cx_b, |p, cx| p.worktrees(cx).next().unwrap());
1829
1830 // Open a buffer as client B
1831 let buffer_b = project_b
1832 .update(&mut cx_b, |p, cx| p.open_buffer((worktree_id, "a.txt"), cx))
1833 .await
1834 .unwrap();
1835 buffer_b.read_with(&cx_b, |buf, _| {
1836 assert!(!buf.is_dirty());
1837 assert!(!buf.has_conflict());
1838 });
1839
1840 fs.save(Path::new("/dir/a.txt"), &"new contents".into())
1841 .await
1842 .unwrap();
1843 buffer_b
1844 .condition(&cx_b, |buf, _| {
1845 buf.text() == "new contents" && !buf.is_dirty()
1846 })
1847 .await;
1848 buffer_b.read_with(&cx_b, |buf, _| {
1849 assert!(!buf.has_conflict());
1850 });
1851 }
1852
1853 #[gpui::test(iterations = 100)]
1854 async fn test_editing_while_guest_opens_buffer(
1855 mut cx_a: TestAppContext,
1856 mut cx_b: TestAppContext,
1857 ) {
1858 cx_a.foreground().forbid_parking();
1859 let lang_registry = Arc::new(LanguageRegistry::new());
1860 let fs = Arc::new(FakeFs::new(cx_a.background()));
1861
1862 // Connect to a server as 2 clients.
1863 let mut server = TestServer::start(cx_a.foreground()).await;
1864 let client_a = server.create_client(&mut cx_a, "user_a").await;
1865 let client_b = server.create_client(&mut cx_b, "user_b").await;
1866
1867 // Share a project as client A
1868 fs.insert_tree(
1869 "/dir",
1870 json!({
1871 ".zed.toml": r#"collaborators = ["user_b"]"#,
1872 "a.txt": "a-contents",
1873 }),
1874 )
1875 .await;
1876 let project_a = cx_a.update(|cx| {
1877 Project::local(
1878 client_a.clone(),
1879 client_a.user_store.clone(),
1880 lang_registry.clone(),
1881 fs.clone(),
1882 cx,
1883 )
1884 });
1885 let (worktree_a, _) = project_a
1886 .update(&mut cx_a, |p, cx| {
1887 p.find_or_create_local_worktree("/dir", false, cx)
1888 })
1889 .await
1890 .unwrap();
1891 worktree_a
1892 .read_with(&cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
1893 .await;
1894 let project_id = project_a.update(&mut cx_a, |p, _| p.next_remote_id()).await;
1895 let worktree_id = worktree_a.read_with(&cx_a, |tree, _| tree.id());
1896 project_a
1897 .update(&mut cx_a, |p, cx| p.share(cx))
1898 .await
1899 .unwrap();
1900
1901 // Join that project as client B
1902 let project_b = Project::remote(
1903 project_id,
1904 client_b.clone(),
1905 client_b.user_store.clone(),
1906 lang_registry.clone(),
1907 fs.clone(),
1908 &mut cx_b.to_async(),
1909 )
1910 .await
1911 .unwrap();
1912
1913 // Open a buffer as client A
1914 let buffer_a = project_a
1915 .update(&mut cx_a, |p, cx| p.open_buffer((worktree_id, "a.txt"), cx))
1916 .await
1917 .unwrap();
1918
1919 // Start opening the same buffer as client B
1920 let buffer_b = cx_b
1921 .background()
1922 .spawn(project_b.update(&mut cx_b, |p, cx| p.open_buffer((worktree_id, "a.txt"), cx)));
1923 task::yield_now().await;
1924
1925 // Edit the buffer as client A while client B is still opening it.
1926 buffer_a.update(&mut cx_a, |buf, cx| buf.edit([0..0], "z", cx));
1927
1928 let text = buffer_a.read_with(&cx_a, |buf, _| buf.text());
1929 let buffer_b = buffer_b.await.unwrap();
1930 buffer_b.condition(&cx_b, |buf, _| buf.text() == text).await;
1931 }
1932
1933 #[gpui::test(iterations = 10)]
1934 async fn test_leaving_worktree_while_opening_buffer(
1935 mut cx_a: TestAppContext,
1936 mut cx_b: TestAppContext,
1937 ) {
1938 cx_a.foreground().forbid_parking();
1939 let lang_registry = Arc::new(LanguageRegistry::new());
1940 let fs = Arc::new(FakeFs::new(cx_a.background()));
1941
1942 // Connect to a server as 2 clients.
1943 let mut server = TestServer::start(cx_a.foreground()).await;
1944 let client_a = server.create_client(&mut cx_a, "user_a").await;
1945 let client_b = server.create_client(&mut cx_b, "user_b").await;
1946
1947 // Share a project as client A
1948 fs.insert_tree(
1949 "/dir",
1950 json!({
1951 ".zed.toml": r#"collaborators = ["user_b"]"#,
1952 "a.txt": "a-contents",
1953 }),
1954 )
1955 .await;
1956 let project_a = cx_a.update(|cx| {
1957 Project::local(
1958 client_a.clone(),
1959 client_a.user_store.clone(),
1960 lang_registry.clone(),
1961 fs.clone(),
1962 cx,
1963 )
1964 });
1965 let (worktree_a, _) = project_a
1966 .update(&mut cx_a, |p, cx| {
1967 p.find_or_create_local_worktree("/dir", false, cx)
1968 })
1969 .await
1970 .unwrap();
1971 worktree_a
1972 .read_with(&cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
1973 .await;
1974 let project_id = project_a.update(&mut cx_a, |p, _| p.next_remote_id()).await;
1975 let worktree_id = worktree_a.read_with(&cx_a, |tree, _| tree.id());
1976 project_a
1977 .update(&mut cx_a, |p, cx| p.share(cx))
1978 .await
1979 .unwrap();
1980
1981 // Join that project as client B
1982 let project_b = Project::remote(
1983 project_id,
1984 client_b.clone(),
1985 client_b.user_store.clone(),
1986 lang_registry.clone(),
1987 fs.clone(),
1988 &mut cx_b.to_async(),
1989 )
1990 .await
1991 .unwrap();
1992
1993 // See that a guest has joined as client A.
1994 project_a
1995 .condition(&cx_a, |p, _| p.collaborators().len() == 1)
1996 .await;
1997
1998 // Begin opening a buffer as client B, but leave the project before the open completes.
1999 let buffer_b = cx_b
2000 .background()
2001 .spawn(project_b.update(&mut cx_b, |p, cx| p.open_buffer((worktree_id, "a.txt"), cx)));
2002 cx_b.update(|_| drop(project_b));
2003 drop(buffer_b);
2004
2005 // See that the guest has left.
2006 project_a
2007 .condition(&cx_a, |p, _| p.collaborators().len() == 0)
2008 .await;
2009 }
2010
2011 #[gpui::test(iterations = 10)]
2012 async fn test_peer_disconnection(mut cx_a: TestAppContext, mut cx_b: TestAppContext) {
2013 cx_a.foreground().forbid_parking();
2014 let lang_registry = Arc::new(LanguageRegistry::new());
2015 let fs = Arc::new(FakeFs::new(cx_a.background()));
2016
2017 // Connect to a server as 2 clients.
2018 let mut server = TestServer::start(cx_a.foreground()).await;
2019 let client_a = server.create_client(&mut cx_a, "user_a").await;
2020 let client_b = server.create_client(&mut cx_b, "user_b").await;
2021
2022 // Share a project as client A
2023 fs.insert_tree(
2024 "/a",
2025 json!({
2026 ".zed.toml": r#"collaborators = ["user_b"]"#,
2027 "a.txt": "a-contents",
2028 "b.txt": "b-contents",
2029 }),
2030 )
2031 .await;
2032 let project_a = cx_a.update(|cx| {
2033 Project::local(
2034 client_a.clone(),
2035 client_a.user_store.clone(),
2036 lang_registry.clone(),
2037 fs.clone(),
2038 cx,
2039 )
2040 });
2041 let (worktree_a, _) = project_a
2042 .update(&mut cx_a, |p, cx| {
2043 p.find_or_create_local_worktree("/a", false, cx)
2044 })
2045 .await
2046 .unwrap();
2047 worktree_a
2048 .read_with(&cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
2049 .await;
2050 let project_id = project_a
2051 .update(&mut cx_a, |project, _| project.next_remote_id())
2052 .await;
2053 project_a
2054 .update(&mut cx_a, |project, cx| project.share(cx))
2055 .await
2056 .unwrap();
2057
2058 // Join that project as client B
2059 let _project_b = Project::remote(
2060 project_id,
2061 client_b.clone(),
2062 client_b.user_store.clone(),
2063 lang_registry.clone(),
2064 fs.clone(),
2065 &mut cx_b.to_async(),
2066 )
2067 .await
2068 .unwrap();
2069
2070 // See that a guest has joined as client A.
2071 project_a
2072 .condition(&cx_a, |p, _| p.collaborators().len() == 1)
2073 .await;
2074
2075 // Drop client B's connection and ensure client A observes client B leaving the worktree.
2076 client_b.disconnect(&cx_b.to_async()).unwrap();
2077 project_a
2078 .condition(&cx_a, |p, _| p.collaborators().len() == 0)
2079 .await;
2080 }
2081
2082 #[gpui::test(iterations = 10)]
2083 async fn test_collaborating_with_diagnostics(
2084 mut cx_a: TestAppContext,
2085 mut cx_b: TestAppContext,
2086 ) {
2087 cx_a.foreground().forbid_parking();
2088 let mut lang_registry = Arc::new(LanguageRegistry::new());
2089 let fs = Arc::new(FakeFs::new(cx_a.background()));
2090
2091 // Set up a fake language server.
2092 let (language_server_config, mut fake_language_server) =
2093 LanguageServerConfig::fake(cx_a.background()).await;
2094 Arc::get_mut(&mut lang_registry)
2095 .unwrap()
2096 .add(Arc::new(Language::new(
2097 LanguageConfig {
2098 name: "Rust".to_string(),
2099 path_suffixes: vec!["rs".to_string()],
2100 language_server: Some(language_server_config),
2101 ..Default::default()
2102 },
2103 Some(tree_sitter_rust::language()),
2104 )));
2105
2106 // Connect to a server as 2 clients.
2107 let mut server = TestServer::start(cx_a.foreground()).await;
2108 let client_a = server.create_client(&mut cx_a, "user_a").await;
2109 let client_b = server.create_client(&mut cx_b, "user_b").await;
2110
2111 // Share a project as client A
2112 fs.insert_tree(
2113 "/a",
2114 json!({
2115 ".zed.toml": r#"collaborators = ["user_b"]"#,
2116 "a.rs": "let one = two",
2117 "other.rs": "",
2118 }),
2119 )
2120 .await;
2121 let project_a = cx_a.update(|cx| {
2122 Project::local(
2123 client_a.clone(),
2124 client_a.user_store.clone(),
2125 lang_registry.clone(),
2126 fs.clone(),
2127 cx,
2128 )
2129 });
2130 let (worktree_a, _) = project_a
2131 .update(&mut cx_a, |p, cx| {
2132 p.find_or_create_local_worktree("/a", false, cx)
2133 })
2134 .await
2135 .unwrap();
2136 worktree_a
2137 .read_with(&cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
2138 .await;
2139 let project_id = project_a.update(&mut cx_a, |p, _| p.next_remote_id()).await;
2140 let worktree_id = worktree_a.read_with(&cx_a, |tree, _| tree.id());
2141 project_a
2142 .update(&mut cx_a, |p, cx| p.share(cx))
2143 .await
2144 .unwrap();
2145
2146 // Cause the language server to start.
2147 let _ = cx_a
2148 .background()
2149 .spawn(project_a.update(&mut cx_a, |project, cx| {
2150 project.open_buffer(
2151 ProjectPath {
2152 worktree_id,
2153 path: Path::new("other.rs").into(),
2154 },
2155 cx,
2156 )
2157 }))
2158 .await
2159 .unwrap();
2160
2161 // Simulate a language server reporting errors for a file.
2162 fake_language_server
2163 .notify::<lsp::notification::PublishDiagnostics>(lsp::PublishDiagnosticsParams {
2164 uri: lsp::Url::from_file_path("/a/a.rs").unwrap(),
2165 version: None,
2166 diagnostics: vec![lsp::Diagnostic {
2167 severity: Some(lsp::DiagnosticSeverity::ERROR),
2168 range: lsp::Range::new(lsp::Position::new(0, 4), lsp::Position::new(0, 7)),
2169 message: "message 1".to_string(),
2170 ..Default::default()
2171 }],
2172 })
2173 .await;
2174
2175 // Wait for server to see the diagnostics update.
2176 server
2177 .condition(|store| {
2178 let worktree = store
2179 .project(project_id)
2180 .unwrap()
2181 .worktrees
2182 .get(&worktree_id.to_proto())
2183 .unwrap();
2184
2185 !worktree
2186 .share
2187 .as_ref()
2188 .unwrap()
2189 .diagnostic_summaries
2190 .is_empty()
2191 })
2192 .await;
2193
2194 // Join the worktree as client B.
2195 let project_b = Project::remote(
2196 project_id,
2197 client_b.clone(),
2198 client_b.user_store.clone(),
2199 lang_registry.clone(),
2200 fs.clone(),
2201 &mut cx_b.to_async(),
2202 )
2203 .await
2204 .unwrap();
2205
2206 project_b.read_with(&cx_b, |project, cx| {
2207 assert_eq!(
2208 project.diagnostic_summaries(cx).collect::<Vec<_>>(),
2209 &[(
2210 ProjectPath {
2211 worktree_id,
2212 path: Arc::from(Path::new("a.rs")),
2213 },
2214 DiagnosticSummary {
2215 error_count: 1,
2216 warning_count: 0,
2217 ..Default::default()
2218 },
2219 )]
2220 )
2221 });
2222
2223 // Simulate a language server reporting more errors for a file.
2224 fake_language_server
2225 .notify::<lsp::notification::PublishDiagnostics>(lsp::PublishDiagnosticsParams {
2226 uri: lsp::Url::from_file_path("/a/a.rs").unwrap(),
2227 version: None,
2228 diagnostics: vec![
2229 lsp::Diagnostic {
2230 severity: Some(lsp::DiagnosticSeverity::ERROR),
2231 range: lsp::Range::new(lsp::Position::new(0, 4), lsp::Position::new(0, 7)),
2232 message: "message 1".to_string(),
2233 ..Default::default()
2234 },
2235 lsp::Diagnostic {
2236 severity: Some(lsp::DiagnosticSeverity::WARNING),
2237 range: lsp::Range::new(
2238 lsp::Position::new(0, 10),
2239 lsp::Position::new(0, 13),
2240 ),
2241 message: "message 2".to_string(),
2242 ..Default::default()
2243 },
2244 ],
2245 })
2246 .await;
2247
2248 // Client b gets the updated summaries
2249 project_b
2250 .condition(&cx_b, |project, cx| {
2251 project.diagnostic_summaries(cx).collect::<Vec<_>>()
2252 == &[(
2253 ProjectPath {
2254 worktree_id,
2255 path: Arc::from(Path::new("a.rs")),
2256 },
2257 DiagnosticSummary {
2258 error_count: 1,
2259 warning_count: 1,
2260 ..Default::default()
2261 },
2262 )]
2263 })
2264 .await;
2265
2266 // Open the file with the errors on client B. They should be present.
2267 let buffer_b = cx_b
2268 .background()
2269 .spawn(project_b.update(&mut cx_b, |p, cx| p.open_buffer((worktree_id, "a.rs"), cx)))
2270 .await
2271 .unwrap();
2272
2273 buffer_b.read_with(&cx_b, |buffer, _| {
2274 assert_eq!(
2275 buffer
2276 .snapshot()
2277 .diagnostics_in_range::<_, Point>(0..buffer.len())
2278 .map(|entry| entry)
2279 .collect::<Vec<_>>(),
2280 &[
2281 DiagnosticEntry {
2282 range: Point::new(0, 4)..Point::new(0, 7),
2283 diagnostic: Diagnostic {
2284 group_id: 0,
2285 message: "message 1".to_string(),
2286 severity: lsp::DiagnosticSeverity::ERROR,
2287 is_primary: true,
2288 ..Default::default()
2289 }
2290 },
2291 DiagnosticEntry {
2292 range: Point::new(0, 10)..Point::new(0, 13),
2293 diagnostic: Diagnostic {
2294 group_id: 1,
2295 severity: lsp::DiagnosticSeverity::WARNING,
2296 message: "message 2".to_string(),
2297 is_primary: true,
2298 ..Default::default()
2299 }
2300 }
2301 ]
2302 );
2303 });
2304 }
2305
2306 #[gpui::test(iterations = 10)]
2307 async fn test_collaborating_with_completion(
2308 mut cx_a: TestAppContext,
2309 mut cx_b: TestAppContext,
2310 ) {
2311 cx_a.foreground().forbid_parking();
2312 let mut lang_registry = Arc::new(LanguageRegistry::new());
2313 let fs = Arc::new(FakeFs::new(cx_a.background()));
2314
2315 // Set up a fake language server.
2316 let (language_server_config, mut fake_language_server) =
2317 LanguageServerConfig::fake_with_capabilities(
2318 lsp::ServerCapabilities {
2319 completion_provider: Some(lsp::CompletionOptions {
2320 trigger_characters: Some(vec![".".to_string()]),
2321 ..Default::default()
2322 }),
2323 ..Default::default()
2324 },
2325 cx_a.background(),
2326 )
2327 .await;
2328 Arc::get_mut(&mut lang_registry)
2329 .unwrap()
2330 .add(Arc::new(Language::new(
2331 LanguageConfig {
2332 name: "Rust".to_string(),
2333 path_suffixes: vec!["rs".to_string()],
2334 language_server: Some(language_server_config),
2335 ..Default::default()
2336 },
2337 Some(tree_sitter_rust::language()),
2338 )));
2339
2340 // Connect to a server as 2 clients.
2341 let mut server = TestServer::start(cx_a.foreground()).await;
2342 let client_a = server.create_client(&mut cx_a, "user_a").await;
2343 let client_b = server.create_client(&mut cx_b, "user_b").await;
2344
2345 // Share a project as client A
2346 fs.insert_tree(
2347 "/a",
2348 json!({
2349 ".zed.toml": r#"collaborators = ["user_b"]"#,
2350 "main.rs": "fn main() { a }",
2351 "other.rs": "",
2352 }),
2353 )
2354 .await;
2355 let project_a = cx_a.update(|cx| {
2356 Project::local(
2357 client_a.clone(),
2358 client_a.user_store.clone(),
2359 lang_registry.clone(),
2360 fs.clone(),
2361 cx,
2362 )
2363 });
2364 let (worktree_a, _) = project_a
2365 .update(&mut cx_a, |p, cx| {
2366 p.find_or_create_local_worktree("/a", false, cx)
2367 })
2368 .await
2369 .unwrap();
2370 worktree_a
2371 .read_with(&cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
2372 .await;
2373 let project_id = project_a.update(&mut cx_a, |p, _| p.next_remote_id()).await;
2374 let worktree_id = worktree_a.read_with(&cx_a, |tree, _| tree.id());
2375 project_a
2376 .update(&mut cx_a, |p, cx| p.share(cx))
2377 .await
2378 .unwrap();
2379
2380 // Join the worktree as client B.
2381 let project_b = Project::remote(
2382 project_id,
2383 client_b.clone(),
2384 client_b.user_store.clone(),
2385 lang_registry.clone(),
2386 fs.clone(),
2387 &mut cx_b.to_async(),
2388 )
2389 .await
2390 .unwrap();
2391
2392 // Open a file in an editor as the guest.
2393 let buffer_b = project_b
2394 .update(&mut cx_b, |p, cx| {
2395 p.open_buffer((worktree_id, "main.rs"), cx)
2396 })
2397 .await
2398 .unwrap();
2399 let (window_b, _) = cx_b.add_window(|_| EmptyView);
2400 let editor_b = cx_b.add_view(window_b, |cx| {
2401 Editor::for_buffer(
2402 cx.add_model(|cx| MultiBuffer::singleton(buffer_b.clone(), cx)),
2403 Arc::new(|cx| EditorSettings::test(cx)),
2404 cx,
2405 )
2406 });
2407
2408 // Type a completion trigger character as the guest.
2409 editor_b.update(&mut cx_b, |editor, cx| {
2410 editor.select_ranges([13..13], None, cx);
2411 editor.handle_input(&Input(".".into()), cx);
2412 cx.focus(&editor_b);
2413 });
2414
2415 // Receive a completion request as the host's language server.
2416 let (request_id, params) = fake_language_server
2417 .receive_request::<lsp::request::Completion>()
2418 .await;
2419 assert_eq!(
2420 params.text_document_position.text_document.uri,
2421 lsp::Url::from_file_path("/a/main.rs").unwrap(),
2422 );
2423 assert_eq!(
2424 params.text_document_position.position,
2425 lsp::Position::new(0, 14),
2426 );
2427
2428 // Return some completions from the host's language server.
2429 fake_language_server
2430 .respond(
2431 request_id,
2432 Some(lsp::CompletionResponse::Array(vec![
2433 lsp::CompletionItem {
2434 label: "first_method(…)".into(),
2435 detail: Some("fn(&mut self, B) -> C".into()),
2436 text_edit: Some(lsp::CompletionTextEdit::Edit(lsp::TextEdit {
2437 new_text: "first_method($1)".to_string(),
2438 range: lsp::Range::new(
2439 lsp::Position::new(0, 14),
2440 lsp::Position::new(0, 14),
2441 ),
2442 })),
2443 insert_text_format: Some(lsp::InsertTextFormat::SNIPPET),
2444 ..Default::default()
2445 },
2446 lsp::CompletionItem {
2447 label: "second_method(…)".into(),
2448 detail: Some("fn(&mut self, C) -> D<E>".into()),
2449 text_edit: Some(lsp::CompletionTextEdit::Edit(lsp::TextEdit {
2450 new_text: "second_method()".to_string(),
2451 range: lsp::Range::new(
2452 lsp::Position::new(0, 14),
2453 lsp::Position::new(0, 14),
2454 ),
2455 })),
2456 insert_text_format: Some(lsp::InsertTextFormat::SNIPPET),
2457 ..Default::default()
2458 },
2459 ])),
2460 )
2461 .await;
2462
2463 // Open the buffer on the host.
2464 let buffer_a = project_a
2465 .update(&mut cx_a, |p, cx| {
2466 p.open_buffer((worktree_id, "main.rs"), cx)
2467 })
2468 .await
2469 .unwrap();
2470 buffer_a
2471 .condition(&cx_a, |buffer, _| buffer.text() == "fn main() { a. }")
2472 .await;
2473
2474 // Confirm a completion on the guest.
2475 editor_b.next_notification(&cx_b).await;
2476 editor_b.update(&mut cx_b, |editor, cx| {
2477 assert!(editor.showing_context_menu());
2478 editor.confirm_completion(&ConfirmCompletion(Some(0)), cx);
2479 assert_eq!(editor.text(cx), "fn main() { a.first_method() }");
2480 });
2481
2482 buffer_a
2483 .condition(&cx_a, |buffer, _| {
2484 buffer.text() == "fn main() { a.first_method() }"
2485 })
2486 .await;
2487
2488 // Receive a request resolve the selected completion on the host's language server.
2489 let (request_id, params) = fake_language_server
2490 .receive_request::<lsp::request::ResolveCompletionItem>()
2491 .await;
2492 assert_eq!(params.label, "first_method(…)");
2493
2494 // Return a resolved completion from the host's language server.
2495 // The resolved completion has an additional text edit.
2496 fake_language_server
2497 .respond(
2498 request_id,
2499 lsp::CompletionItem {
2500 label: "first_method(…)".into(),
2501 detail: Some("fn(&mut self, B) -> C".into()),
2502 text_edit: Some(lsp::CompletionTextEdit::Edit(lsp::TextEdit {
2503 new_text: "first_method($1)".to_string(),
2504 range: lsp::Range::new(
2505 lsp::Position::new(0, 14),
2506 lsp::Position::new(0, 14),
2507 ),
2508 })),
2509 additional_text_edits: Some(vec![lsp::TextEdit {
2510 new_text: "use d::SomeTrait;\n".to_string(),
2511 range: lsp::Range::new(lsp::Position::new(0, 0), lsp::Position::new(0, 0)),
2512 }]),
2513 insert_text_format: Some(lsp::InsertTextFormat::SNIPPET),
2514 ..Default::default()
2515 },
2516 )
2517 .await;
2518
2519 // The additional edit is applied.
2520 buffer_b
2521 .condition(&cx_b, |buffer, _| {
2522 buffer.text() == "use d::SomeTrait;\nfn main() { a.first_method() }"
2523 })
2524 .await;
2525 assert_eq!(
2526 buffer_a.read_with(&cx_a, |buffer, _| buffer.text()),
2527 buffer_b.read_with(&cx_b, |buffer, _| buffer.text()),
2528 );
2529 }
2530
2531 #[gpui::test(iterations = 10)]
2532 async fn test_formatting_buffer(mut cx_a: TestAppContext, mut cx_b: TestAppContext) {
2533 cx_a.foreground().forbid_parking();
2534 let mut lang_registry = Arc::new(LanguageRegistry::new());
2535 let fs = Arc::new(FakeFs::new(cx_a.background()));
2536
2537 // Set up a fake language server.
2538 let (language_server_config, mut fake_language_server) =
2539 LanguageServerConfig::fake(cx_a.background()).await;
2540 Arc::get_mut(&mut lang_registry)
2541 .unwrap()
2542 .add(Arc::new(Language::new(
2543 LanguageConfig {
2544 name: "Rust".to_string(),
2545 path_suffixes: vec!["rs".to_string()],
2546 language_server: Some(language_server_config),
2547 ..Default::default()
2548 },
2549 Some(tree_sitter_rust::language()),
2550 )));
2551
2552 // Connect to a server as 2 clients.
2553 let mut server = TestServer::start(cx_a.foreground()).await;
2554 let client_a = server.create_client(&mut cx_a, "user_a").await;
2555 let client_b = server.create_client(&mut cx_b, "user_b").await;
2556
2557 // Share a project as client A
2558 fs.insert_tree(
2559 "/a",
2560 json!({
2561 ".zed.toml": r#"collaborators = ["user_b"]"#,
2562 "a.rs": "let one = two",
2563 }),
2564 )
2565 .await;
2566 let project_a = cx_a.update(|cx| {
2567 Project::local(
2568 client_a.clone(),
2569 client_a.user_store.clone(),
2570 lang_registry.clone(),
2571 fs.clone(),
2572 cx,
2573 )
2574 });
2575 let (worktree_a, _) = project_a
2576 .update(&mut cx_a, |p, cx| {
2577 p.find_or_create_local_worktree("/a", false, cx)
2578 })
2579 .await
2580 .unwrap();
2581 worktree_a
2582 .read_with(&cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
2583 .await;
2584 let project_id = project_a.update(&mut cx_a, |p, _| p.next_remote_id()).await;
2585 let worktree_id = worktree_a.read_with(&cx_a, |tree, _| tree.id());
2586 project_a
2587 .update(&mut cx_a, |p, cx| p.share(cx))
2588 .await
2589 .unwrap();
2590
2591 // Join the worktree as client B.
2592 let project_b = Project::remote(
2593 project_id,
2594 client_b.clone(),
2595 client_b.user_store.clone(),
2596 lang_registry.clone(),
2597 fs.clone(),
2598 &mut cx_b.to_async(),
2599 )
2600 .await
2601 .unwrap();
2602
2603 let buffer_b = cx_b
2604 .background()
2605 .spawn(project_b.update(&mut cx_b, |p, cx| p.open_buffer((worktree_id, "a.rs"), cx)))
2606 .await
2607 .unwrap();
2608
2609 let format = buffer_b.update(&mut cx_b, |buffer, cx| buffer.format(cx));
2610 let (request_id, _) = fake_language_server
2611 .receive_request::<lsp::request::Formatting>()
2612 .await;
2613 fake_language_server
2614 .respond(
2615 request_id,
2616 Some(vec![
2617 lsp::TextEdit {
2618 range: lsp::Range::new(lsp::Position::new(0, 4), lsp::Position::new(0, 4)),
2619 new_text: "h".to_string(),
2620 },
2621 lsp::TextEdit {
2622 range: lsp::Range::new(lsp::Position::new(0, 7), lsp::Position::new(0, 7)),
2623 new_text: "y".to_string(),
2624 },
2625 ]),
2626 )
2627 .await;
2628 format.await.unwrap();
2629 assert_eq!(
2630 buffer_b.read_with(&cx_b, |buffer, _| buffer.text()),
2631 "let honey = two"
2632 );
2633 }
2634
2635 #[gpui::test(iterations = 10)]
2636 async fn test_definition(mut cx_a: TestAppContext, mut cx_b: TestAppContext) {
2637 cx_a.foreground().forbid_parking();
2638 let mut lang_registry = Arc::new(LanguageRegistry::new());
2639 let fs = Arc::new(FakeFs::new(cx_a.background()));
2640 fs.insert_tree(
2641 "/root-1",
2642 json!({
2643 ".zed.toml": r#"collaborators = ["user_b"]"#,
2644 "a.rs": "const ONE: usize = b::TWO + b::THREE;",
2645 }),
2646 )
2647 .await;
2648 fs.insert_tree(
2649 "/root-2",
2650 json!({
2651 "b.rs": "const TWO: usize = 2;\nconst THREE: usize = 3;",
2652 }),
2653 )
2654 .await;
2655
2656 // Set up a fake language server.
2657 let (language_server_config, mut fake_language_server) =
2658 LanguageServerConfig::fake(cx_a.background()).await;
2659 Arc::get_mut(&mut lang_registry)
2660 .unwrap()
2661 .add(Arc::new(Language::new(
2662 LanguageConfig {
2663 name: "Rust".to_string(),
2664 path_suffixes: vec!["rs".to_string()],
2665 language_server: Some(language_server_config),
2666 ..Default::default()
2667 },
2668 Some(tree_sitter_rust::language()),
2669 )));
2670
2671 // Connect to a server as 2 clients.
2672 let mut server = TestServer::start(cx_a.foreground()).await;
2673 let client_a = server.create_client(&mut cx_a, "user_a").await;
2674 let client_b = server.create_client(&mut cx_b, "user_b").await;
2675
2676 // Share a project as client A
2677 let project_a = cx_a.update(|cx| {
2678 Project::local(
2679 client_a.clone(),
2680 client_a.user_store.clone(),
2681 lang_registry.clone(),
2682 fs.clone(),
2683 cx,
2684 )
2685 });
2686 let (worktree_a, _) = project_a
2687 .update(&mut cx_a, |p, cx| {
2688 p.find_or_create_local_worktree("/root-1", false, cx)
2689 })
2690 .await
2691 .unwrap();
2692 worktree_a
2693 .read_with(&cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
2694 .await;
2695 let project_id = project_a.update(&mut cx_a, |p, _| p.next_remote_id()).await;
2696 let worktree_id = worktree_a.read_with(&cx_a, |tree, _| tree.id());
2697 project_a
2698 .update(&mut cx_a, |p, cx| p.share(cx))
2699 .await
2700 .unwrap();
2701
2702 // Join the worktree as client B.
2703 let project_b = Project::remote(
2704 project_id,
2705 client_b.clone(),
2706 client_b.user_store.clone(),
2707 lang_registry.clone(),
2708 fs.clone(),
2709 &mut cx_b.to_async(),
2710 )
2711 .await
2712 .unwrap();
2713
2714 // Open the file to be formatted on client B.
2715 let buffer_b = cx_b
2716 .background()
2717 .spawn(project_b.update(&mut cx_b, |p, cx| p.open_buffer((worktree_id, "a.rs"), cx)))
2718 .await
2719 .unwrap();
2720
2721 let definitions_1 = project_b.update(&mut cx_b, |p, cx| p.definition(&buffer_b, 23, cx));
2722 let (request_id, _) = fake_language_server
2723 .receive_request::<lsp::request::GotoDefinition>()
2724 .await;
2725 fake_language_server
2726 .respond(
2727 request_id,
2728 Some(lsp::GotoDefinitionResponse::Scalar(lsp::Location::new(
2729 lsp::Url::from_file_path("/root-2/b.rs").unwrap(),
2730 lsp::Range::new(lsp::Position::new(0, 6), lsp::Position::new(0, 9)),
2731 ))),
2732 )
2733 .await;
2734 let definitions_1 = definitions_1.await.unwrap();
2735 cx_b.read(|cx| {
2736 assert_eq!(definitions_1.len(), 1);
2737 assert_eq!(project_b.read(cx).worktrees(cx).count(), 2);
2738 let target_buffer = definitions_1[0].target_buffer.read(cx);
2739 assert_eq!(
2740 target_buffer.text(),
2741 "const TWO: usize = 2;\nconst THREE: usize = 3;"
2742 );
2743 assert_eq!(
2744 definitions_1[0].target_range.to_point(target_buffer),
2745 Point::new(0, 6)..Point::new(0, 9)
2746 );
2747 });
2748
2749 // Try getting more definitions for the same buffer, ensuring the buffer gets reused from
2750 // the previous call to `definition`.
2751 let definitions_2 = project_b.update(&mut cx_b, |p, cx| p.definition(&buffer_b, 33, cx));
2752 let (request_id, _) = fake_language_server
2753 .receive_request::<lsp::request::GotoDefinition>()
2754 .await;
2755 fake_language_server
2756 .respond(
2757 request_id,
2758 Some(lsp::GotoDefinitionResponse::Scalar(lsp::Location::new(
2759 lsp::Url::from_file_path("/root-2/b.rs").unwrap(),
2760 lsp::Range::new(lsp::Position::new(1, 6), lsp::Position::new(1, 11)),
2761 ))),
2762 )
2763 .await;
2764 let definitions_2 = definitions_2.await.unwrap();
2765 cx_b.read(|cx| {
2766 assert_eq!(definitions_2.len(), 1);
2767 assert_eq!(project_b.read(cx).worktrees(cx).count(), 2);
2768 let target_buffer = definitions_2[0].target_buffer.read(cx);
2769 assert_eq!(
2770 target_buffer.text(),
2771 "const TWO: usize = 2;\nconst THREE: usize = 3;"
2772 );
2773 assert_eq!(
2774 definitions_2[0].target_range.to_point(target_buffer),
2775 Point::new(1, 6)..Point::new(1, 11)
2776 );
2777 });
2778 assert_eq!(
2779 definitions_1[0].target_buffer,
2780 definitions_2[0].target_buffer
2781 );
2782
2783 cx_b.update(|_| {
2784 drop(definitions_1);
2785 drop(definitions_2);
2786 });
2787 project_b
2788 .condition(&cx_b, |proj, cx| proj.worktrees(cx).count() == 1)
2789 .await;
2790 }
2791
2792 #[gpui::test(iterations = 10)]
2793 async fn test_open_buffer_while_getting_definition_pointing_to_it(
2794 mut cx_a: TestAppContext,
2795 mut cx_b: TestAppContext,
2796 mut rng: StdRng,
2797 ) {
2798 cx_a.foreground().forbid_parking();
2799 let mut lang_registry = Arc::new(LanguageRegistry::new());
2800 let fs = Arc::new(FakeFs::new(cx_a.background()));
2801 fs.insert_tree(
2802 "/root",
2803 json!({
2804 ".zed.toml": r#"collaborators = ["user_b"]"#,
2805 "a.rs": "const ONE: usize = b::TWO;",
2806 "b.rs": "const TWO: usize = 2",
2807 }),
2808 )
2809 .await;
2810
2811 // Set up a fake language server.
2812 let (language_server_config, mut fake_language_server) =
2813 LanguageServerConfig::fake(cx_a.background()).await;
2814 Arc::get_mut(&mut lang_registry)
2815 .unwrap()
2816 .add(Arc::new(Language::new(
2817 LanguageConfig {
2818 name: "Rust".to_string(),
2819 path_suffixes: vec!["rs".to_string()],
2820 language_server: Some(language_server_config),
2821 ..Default::default()
2822 },
2823 Some(tree_sitter_rust::language()),
2824 )));
2825
2826 // Connect to a server as 2 clients.
2827 let mut server = TestServer::start(cx_a.foreground()).await;
2828 let client_a = server.create_client(&mut cx_a, "user_a").await;
2829 let client_b = server.create_client(&mut cx_b, "user_b").await;
2830
2831 // Share a project as client A
2832 let project_a = cx_a.update(|cx| {
2833 Project::local(
2834 client_a.clone(),
2835 client_a.user_store.clone(),
2836 lang_registry.clone(),
2837 fs.clone(),
2838 cx,
2839 )
2840 });
2841 let (worktree_a, _) = project_a
2842 .update(&mut cx_a, |p, cx| {
2843 p.find_or_create_local_worktree("/root", false, cx)
2844 })
2845 .await
2846 .unwrap();
2847 worktree_a
2848 .read_with(&cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
2849 .await;
2850 let project_id = project_a.update(&mut cx_a, |p, _| p.next_remote_id()).await;
2851 let worktree_id = worktree_a.read_with(&cx_a, |tree, _| tree.id());
2852 project_a
2853 .update(&mut cx_a, |p, cx| p.share(cx))
2854 .await
2855 .unwrap();
2856
2857 // Join the worktree as client B.
2858 let project_b = Project::remote(
2859 project_id,
2860 client_b.clone(),
2861 client_b.user_store.clone(),
2862 lang_registry.clone(),
2863 fs.clone(),
2864 &mut cx_b.to_async(),
2865 )
2866 .await
2867 .unwrap();
2868
2869 let buffer_b1 = cx_b
2870 .background()
2871 .spawn(project_b.update(&mut cx_b, |p, cx| p.open_buffer((worktree_id, "a.rs"), cx)))
2872 .await
2873 .unwrap();
2874
2875 let definitions;
2876 let buffer_b2;
2877 if rng.gen() {
2878 definitions = project_b.update(&mut cx_b, |p, cx| p.definition(&buffer_b1, 23, cx));
2879 buffer_b2 =
2880 project_b.update(&mut cx_b, |p, cx| p.open_buffer((worktree_id, "b.rs"), cx));
2881 } else {
2882 buffer_b2 =
2883 project_b.update(&mut cx_b, |p, cx| p.open_buffer((worktree_id, "b.rs"), cx));
2884 definitions = project_b.update(&mut cx_b, |p, cx| p.definition(&buffer_b1, 23, cx));
2885 }
2886
2887 let (request_id, _) = fake_language_server
2888 .receive_request::<lsp::request::GotoDefinition>()
2889 .await;
2890 fake_language_server
2891 .respond(
2892 request_id,
2893 Some(lsp::GotoDefinitionResponse::Scalar(lsp::Location::new(
2894 lsp::Url::from_file_path("/root/b.rs").unwrap(),
2895 lsp::Range::new(lsp::Position::new(0, 6), lsp::Position::new(0, 9)),
2896 ))),
2897 )
2898 .await;
2899
2900 let buffer_b2 = buffer_b2.await.unwrap();
2901 let definitions = definitions.await.unwrap();
2902 assert_eq!(definitions.len(), 1);
2903 assert_eq!(definitions[0].target_buffer, buffer_b2);
2904 }
2905
2906 #[gpui::test(iterations = 10)]
2907 async fn test_basic_chat(mut cx_a: TestAppContext, mut cx_b: TestAppContext) {
2908 cx_a.foreground().forbid_parking();
2909
2910 // Connect to a server as 2 clients.
2911 let mut server = TestServer::start(cx_a.foreground()).await;
2912 let client_a = server.create_client(&mut cx_a, "user_a").await;
2913 let client_b = server.create_client(&mut cx_b, "user_b").await;
2914
2915 // Create an org that includes these 2 users.
2916 let db = &server.app_state.db;
2917 let org_id = db.create_org("Test Org", "test-org").await.unwrap();
2918 db.add_org_member(org_id, client_a.current_user_id(&cx_a), false)
2919 .await
2920 .unwrap();
2921 db.add_org_member(org_id, client_b.current_user_id(&cx_b), false)
2922 .await
2923 .unwrap();
2924
2925 // Create a channel that includes all the users.
2926 let channel_id = db.create_org_channel(org_id, "test-channel").await.unwrap();
2927 db.add_channel_member(channel_id, client_a.current_user_id(&cx_a), false)
2928 .await
2929 .unwrap();
2930 db.add_channel_member(channel_id, client_b.current_user_id(&cx_b), false)
2931 .await
2932 .unwrap();
2933 db.create_channel_message(
2934 channel_id,
2935 client_b.current_user_id(&cx_b),
2936 "hello A, it's B.",
2937 OffsetDateTime::now_utc(),
2938 1,
2939 )
2940 .await
2941 .unwrap();
2942
2943 let channels_a = cx_a
2944 .add_model(|cx| ChannelList::new(client_a.user_store.clone(), client_a.clone(), cx));
2945 channels_a
2946 .condition(&mut cx_a, |list, _| list.available_channels().is_some())
2947 .await;
2948 channels_a.read_with(&cx_a, |list, _| {
2949 assert_eq!(
2950 list.available_channels().unwrap(),
2951 &[ChannelDetails {
2952 id: channel_id.to_proto(),
2953 name: "test-channel".to_string()
2954 }]
2955 )
2956 });
2957 let channel_a = channels_a.update(&mut cx_a, |this, cx| {
2958 this.get_channel(channel_id.to_proto(), cx).unwrap()
2959 });
2960 channel_a.read_with(&cx_a, |channel, _| assert!(channel.messages().is_empty()));
2961 channel_a
2962 .condition(&cx_a, |channel, _| {
2963 channel_messages(channel)
2964 == [("user_b".to_string(), "hello A, it's B.".to_string(), false)]
2965 })
2966 .await;
2967
2968 let channels_b = cx_b
2969 .add_model(|cx| ChannelList::new(client_b.user_store.clone(), client_b.clone(), cx));
2970 channels_b
2971 .condition(&mut cx_b, |list, _| list.available_channels().is_some())
2972 .await;
2973 channels_b.read_with(&cx_b, |list, _| {
2974 assert_eq!(
2975 list.available_channels().unwrap(),
2976 &[ChannelDetails {
2977 id: channel_id.to_proto(),
2978 name: "test-channel".to_string()
2979 }]
2980 )
2981 });
2982
2983 let channel_b = channels_b.update(&mut cx_b, |this, cx| {
2984 this.get_channel(channel_id.to_proto(), cx).unwrap()
2985 });
2986 channel_b.read_with(&cx_b, |channel, _| assert!(channel.messages().is_empty()));
2987 channel_b
2988 .condition(&cx_b, |channel, _| {
2989 channel_messages(channel)
2990 == [("user_b".to_string(), "hello A, it's B.".to_string(), false)]
2991 })
2992 .await;
2993
2994 channel_a
2995 .update(&mut cx_a, |channel, cx| {
2996 channel
2997 .send_message("oh, hi B.".to_string(), cx)
2998 .unwrap()
2999 .detach();
3000 let task = channel.send_message("sup".to_string(), cx).unwrap();
3001 assert_eq!(
3002 channel_messages(channel),
3003 &[
3004 ("user_b".to_string(), "hello A, it's B.".to_string(), false),
3005 ("user_a".to_string(), "oh, hi B.".to_string(), true),
3006 ("user_a".to_string(), "sup".to_string(), true)
3007 ]
3008 );
3009 task
3010 })
3011 .await
3012 .unwrap();
3013
3014 channel_b
3015 .condition(&cx_b, |channel, _| {
3016 channel_messages(channel)
3017 == [
3018 ("user_b".to_string(), "hello A, it's B.".to_string(), false),
3019 ("user_a".to_string(), "oh, hi B.".to_string(), false),
3020 ("user_a".to_string(), "sup".to_string(), false),
3021 ]
3022 })
3023 .await;
3024
3025 assert_eq!(
3026 server
3027 .state()
3028 .await
3029 .channel(channel_id)
3030 .unwrap()
3031 .connection_ids
3032 .len(),
3033 2
3034 );
3035 cx_b.update(|_| drop(channel_b));
3036 server
3037 .condition(|state| state.channel(channel_id).unwrap().connection_ids.len() == 1)
3038 .await;
3039
3040 cx_a.update(|_| drop(channel_a));
3041 server
3042 .condition(|state| state.channel(channel_id).is_none())
3043 .await;
3044 }
3045
3046 #[gpui::test(iterations = 10)]
3047 async fn test_chat_message_validation(mut cx_a: TestAppContext) {
3048 cx_a.foreground().forbid_parking();
3049
3050 let mut server = TestServer::start(cx_a.foreground()).await;
3051 let client_a = server.create_client(&mut cx_a, "user_a").await;
3052
3053 let db = &server.app_state.db;
3054 let org_id = db.create_org("Test Org", "test-org").await.unwrap();
3055 let channel_id = db.create_org_channel(org_id, "test-channel").await.unwrap();
3056 db.add_org_member(org_id, client_a.current_user_id(&cx_a), false)
3057 .await
3058 .unwrap();
3059 db.add_channel_member(channel_id, client_a.current_user_id(&cx_a), false)
3060 .await
3061 .unwrap();
3062
3063 let channels_a = cx_a
3064 .add_model(|cx| ChannelList::new(client_a.user_store.clone(), client_a.clone(), cx));
3065 channels_a
3066 .condition(&mut cx_a, |list, _| list.available_channels().is_some())
3067 .await;
3068 let channel_a = channels_a.update(&mut cx_a, |this, cx| {
3069 this.get_channel(channel_id.to_proto(), cx).unwrap()
3070 });
3071
3072 // Messages aren't allowed to be too long.
3073 channel_a
3074 .update(&mut cx_a, |channel, cx| {
3075 let long_body = "this is long.\n".repeat(1024);
3076 channel.send_message(long_body, cx).unwrap()
3077 })
3078 .await
3079 .unwrap_err();
3080
3081 // Messages aren't allowed to be blank.
3082 channel_a.update(&mut cx_a, |channel, cx| {
3083 channel.send_message(String::new(), cx).unwrap_err()
3084 });
3085
3086 // Leading and trailing whitespace are trimmed.
3087 channel_a
3088 .update(&mut cx_a, |channel, cx| {
3089 channel
3090 .send_message("\n surrounded by whitespace \n".to_string(), cx)
3091 .unwrap()
3092 })
3093 .await
3094 .unwrap();
3095 assert_eq!(
3096 db.get_channel_messages(channel_id, 10, None)
3097 .await
3098 .unwrap()
3099 .iter()
3100 .map(|m| &m.body)
3101 .collect::<Vec<_>>(),
3102 &["surrounded by whitespace"]
3103 );
3104 }
3105
3106 #[gpui::test(iterations = 10)]
3107 async fn test_chat_reconnection(mut cx_a: TestAppContext, mut cx_b: TestAppContext) {
3108 cx_a.foreground().forbid_parking();
3109
3110 // Connect to a server as 2 clients.
3111 let mut server = TestServer::start(cx_a.foreground()).await;
3112 let client_a = server.create_client(&mut cx_a, "user_a").await;
3113 let client_b = server.create_client(&mut cx_b, "user_b").await;
3114 let mut status_b = client_b.status();
3115
3116 // Create an org that includes these 2 users.
3117 let db = &server.app_state.db;
3118 let org_id = db.create_org("Test Org", "test-org").await.unwrap();
3119 db.add_org_member(org_id, client_a.current_user_id(&cx_a), false)
3120 .await
3121 .unwrap();
3122 db.add_org_member(org_id, client_b.current_user_id(&cx_b), false)
3123 .await
3124 .unwrap();
3125
3126 // Create a channel that includes all the users.
3127 let channel_id = db.create_org_channel(org_id, "test-channel").await.unwrap();
3128 db.add_channel_member(channel_id, client_a.current_user_id(&cx_a), false)
3129 .await
3130 .unwrap();
3131 db.add_channel_member(channel_id, client_b.current_user_id(&cx_b), false)
3132 .await
3133 .unwrap();
3134 db.create_channel_message(
3135 channel_id,
3136 client_b.current_user_id(&cx_b),
3137 "hello A, it's B.",
3138 OffsetDateTime::now_utc(),
3139 2,
3140 )
3141 .await
3142 .unwrap();
3143
3144 let channels_a = cx_a
3145 .add_model(|cx| ChannelList::new(client_a.user_store.clone(), client_a.clone(), cx));
3146 channels_a
3147 .condition(&mut cx_a, |list, _| list.available_channels().is_some())
3148 .await;
3149
3150 channels_a.read_with(&cx_a, |list, _| {
3151 assert_eq!(
3152 list.available_channels().unwrap(),
3153 &[ChannelDetails {
3154 id: channel_id.to_proto(),
3155 name: "test-channel".to_string()
3156 }]
3157 )
3158 });
3159 let channel_a = channels_a.update(&mut cx_a, |this, cx| {
3160 this.get_channel(channel_id.to_proto(), cx).unwrap()
3161 });
3162 channel_a.read_with(&cx_a, |channel, _| assert!(channel.messages().is_empty()));
3163 channel_a
3164 .condition(&cx_a, |channel, _| {
3165 channel_messages(channel)
3166 == [("user_b".to_string(), "hello A, it's B.".to_string(), false)]
3167 })
3168 .await;
3169
3170 let channels_b = cx_b
3171 .add_model(|cx| ChannelList::new(client_b.user_store.clone(), client_b.clone(), cx));
3172 channels_b
3173 .condition(&mut cx_b, |list, _| list.available_channels().is_some())
3174 .await;
3175 channels_b.read_with(&cx_b, |list, _| {
3176 assert_eq!(
3177 list.available_channels().unwrap(),
3178 &[ChannelDetails {
3179 id: channel_id.to_proto(),
3180 name: "test-channel".to_string()
3181 }]
3182 )
3183 });
3184
3185 let channel_b = channels_b.update(&mut cx_b, |this, cx| {
3186 this.get_channel(channel_id.to_proto(), cx).unwrap()
3187 });
3188 channel_b.read_with(&cx_b, |channel, _| assert!(channel.messages().is_empty()));
3189 channel_b
3190 .condition(&cx_b, |channel, _| {
3191 channel_messages(channel)
3192 == [("user_b".to_string(), "hello A, it's B.".to_string(), false)]
3193 })
3194 .await;
3195
3196 // Disconnect client B, ensuring we can still access its cached channel data.
3197 server.forbid_connections();
3198 server.disconnect_client(client_b.current_user_id(&cx_b));
3199 while !matches!(
3200 status_b.next().await,
3201 Some(client::Status::ReconnectionError { .. })
3202 ) {}
3203
3204 channels_b.read_with(&cx_b, |channels, _| {
3205 assert_eq!(
3206 channels.available_channels().unwrap(),
3207 [ChannelDetails {
3208 id: channel_id.to_proto(),
3209 name: "test-channel".to_string()
3210 }]
3211 )
3212 });
3213 channel_b.read_with(&cx_b, |channel, _| {
3214 assert_eq!(
3215 channel_messages(channel),
3216 [("user_b".to_string(), "hello A, it's B.".to_string(), false)]
3217 )
3218 });
3219
3220 // Send a message from client B while it is disconnected.
3221 channel_b
3222 .update(&mut cx_b, |channel, cx| {
3223 let task = channel
3224 .send_message("can you see this?".to_string(), cx)
3225 .unwrap();
3226 assert_eq!(
3227 channel_messages(channel),
3228 &[
3229 ("user_b".to_string(), "hello A, it's B.".to_string(), false),
3230 ("user_b".to_string(), "can you see this?".to_string(), true)
3231 ]
3232 );
3233 task
3234 })
3235 .await
3236 .unwrap_err();
3237
3238 // Send a message from client A while B is disconnected.
3239 channel_a
3240 .update(&mut cx_a, |channel, cx| {
3241 channel
3242 .send_message("oh, hi B.".to_string(), cx)
3243 .unwrap()
3244 .detach();
3245 let task = channel.send_message("sup".to_string(), cx).unwrap();
3246 assert_eq!(
3247 channel_messages(channel),
3248 &[
3249 ("user_b".to_string(), "hello A, it's B.".to_string(), false),
3250 ("user_a".to_string(), "oh, hi B.".to_string(), true),
3251 ("user_a".to_string(), "sup".to_string(), true)
3252 ]
3253 );
3254 task
3255 })
3256 .await
3257 .unwrap();
3258
3259 // Give client B a chance to reconnect.
3260 server.allow_connections();
3261 cx_b.foreground().advance_clock(Duration::from_secs(10));
3262
3263 // Verify that B sees the new messages upon reconnection, as well as the message client B
3264 // sent while offline.
3265 channel_b
3266 .condition(&cx_b, |channel, _| {
3267 channel_messages(channel)
3268 == [
3269 ("user_b".to_string(), "hello A, it's B.".to_string(), false),
3270 ("user_a".to_string(), "oh, hi B.".to_string(), false),
3271 ("user_a".to_string(), "sup".to_string(), false),
3272 ("user_b".to_string(), "can you see this?".to_string(), false),
3273 ]
3274 })
3275 .await;
3276
3277 // Ensure client A and B can communicate normally after reconnection.
3278 channel_a
3279 .update(&mut cx_a, |channel, cx| {
3280 channel.send_message("you online?".to_string(), cx).unwrap()
3281 })
3282 .await
3283 .unwrap();
3284 channel_b
3285 .condition(&cx_b, |channel, _| {
3286 channel_messages(channel)
3287 == [
3288 ("user_b".to_string(), "hello A, it's B.".to_string(), false),
3289 ("user_a".to_string(), "oh, hi B.".to_string(), false),
3290 ("user_a".to_string(), "sup".to_string(), false),
3291 ("user_b".to_string(), "can you see this?".to_string(), false),
3292 ("user_a".to_string(), "you online?".to_string(), false),
3293 ]
3294 })
3295 .await;
3296
3297 channel_b
3298 .update(&mut cx_b, |channel, cx| {
3299 channel.send_message("yep".to_string(), cx).unwrap()
3300 })
3301 .await
3302 .unwrap();
3303 channel_a
3304 .condition(&cx_a, |channel, _| {
3305 channel_messages(channel)
3306 == [
3307 ("user_b".to_string(), "hello A, it's B.".to_string(), false),
3308 ("user_a".to_string(), "oh, hi B.".to_string(), false),
3309 ("user_a".to_string(), "sup".to_string(), false),
3310 ("user_b".to_string(), "can you see this?".to_string(), false),
3311 ("user_a".to_string(), "you online?".to_string(), false),
3312 ("user_b".to_string(), "yep".to_string(), false),
3313 ]
3314 })
3315 .await;
3316 }
3317
3318 #[gpui::test(iterations = 10)]
3319 async fn test_contacts(
3320 mut cx_a: TestAppContext,
3321 mut cx_b: TestAppContext,
3322 mut cx_c: TestAppContext,
3323 ) {
3324 cx_a.foreground().forbid_parking();
3325 let lang_registry = Arc::new(LanguageRegistry::new());
3326 let fs = Arc::new(FakeFs::new(cx_a.background()));
3327
3328 // Connect to a server as 3 clients.
3329 let mut server = TestServer::start(cx_a.foreground()).await;
3330 let client_a = server.create_client(&mut cx_a, "user_a").await;
3331 let client_b = server.create_client(&mut cx_b, "user_b").await;
3332 let client_c = server.create_client(&mut cx_c, "user_c").await;
3333
3334 // Share a worktree as client A.
3335 fs.insert_tree(
3336 "/a",
3337 json!({
3338 ".zed.toml": r#"collaborators = ["user_b", "user_c"]"#,
3339 }),
3340 )
3341 .await;
3342
3343 let project_a = cx_a.update(|cx| {
3344 Project::local(
3345 client_a.clone(),
3346 client_a.user_store.clone(),
3347 lang_registry.clone(),
3348 fs.clone(),
3349 cx,
3350 )
3351 });
3352 let (worktree_a, _) = project_a
3353 .update(&mut cx_a, |p, cx| {
3354 p.find_or_create_local_worktree("/a", false, cx)
3355 })
3356 .await
3357 .unwrap();
3358 worktree_a
3359 .read_with(&cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
3360 .await;
3361
3362 client_a
3363 .user_store
3364 .condition(&cx_a, |user_store, _| {
3365 contacts(user_store) == vec![("user_a", vec![("a", vec![])])]
3366 })
3367 .await;
3368 client_b
3369 .user_store
3370 .condition(&cx_b, |user_store, _| {
3371 contacts(user_store) == vec![("user_a", vec![("a", vec![])])]
3372 })
3373 .await;
3374 client_c
3375 .user_store
3376 .condition(&cx_c, |user_store, _| {
3377 contacts(user_store) == vec![("user_a", vec![("a", vec![])])]
3378 })
3379 .await;
3380
3381 let project_id = project_a
3382 .update(&mut cx_a, |project, _| project.next_remote_id())
3383 .await;
3384 project_a
3385 .update(&mut cx_a, |project, cx| project.share(cx))
3386 .await
3387 .unwrap();
3388
3389 let _project_b = Project::remote(
3390 project_id,
3391 client_b.clone(),
3392 client_b.user_store.clone(),
3393 lang_registry.clone(),
3394 fs.clone(),
3395 &mut cx_b.to_async(),
3396 )
3397 .await
3398 .unwrap();
3399
3400 client_a
3401 .user_store
3402 .condition(&cx_a, |user_store, _| {
3403 contacts(user_store) == vec![("user_a", vec![("a", vec!["user_b"])])]
3404 })
3405 .await;
3406 client_b
3407 .user_store
3408 .condition(&cx_b, |user_store, _| {
3409 contacts(user_store) == vec![("user_a", vec![("a", vec!["user_b"])])]
3410 })
3411 .await;
3412 client_c
3413 .user_store
3414 .condition(&cx_c, |user_store, _| {
3415 contacts(user_store) == vec![("user_a", vec![("a", vec!["user_b"])])]
3416 })
3417 .await;
3418
3419 project_a
3420 .condition(&cx_a, |project, _| {
3421 project.collaborators().contains_key(&client_b.peer_id)
3422 })
3423 .await;
3424
3425 cx_a.update(move |_| drop(project_a));
3426 client_a
3427 .user_store
3428 .condition(&cx_a, |user_store, _| contacts(user_store) == vec![])
3429 .await;
3430 client_b
3431 .user_store
3432 .condition(&cx_b, |user_store, _| contacts(user_store) == vec![])
3433 .await;
3434 client_c
3435 .user_store
3436 .condition(&cx_c, |user_store, _| contacts(user_store) == vec![])
3437 .await;
3438
3439 fn contacts(user_store: &UserStore) -> Vec<(&str, Vec<(&str, Vec<&str>)>)> {
3440 user_store
3441 .contacts()
3442 .iter()
3443 .map(|contact| {
3444 let worktrees = contact
3445 .projects
3446 .iter()
3447 .map(|p| {
3448 (
3449 p.worktree_root_names[0].as_str(),
3450 p.guests.iter().map(|p| p.github_login.as_str()).collect(),
3451 )
3452 })
3453 .collect();
3454 (contact.user.github_login.as_str(), worktrees)
3455 })
3456 .collect()
3457 }
3458 }
3459
3460 struct TestServer {
3461 peer: Arc<Peer>,
3462 app_state: Arc<AppState>,
3463 server: Arc<Server>,
3464 foreground: Rc<executor::Foreground>,
3465 notifications: mpsc::Receiver<()>,
3466 connection_killers: Arc<Mutex<HashMap<UserId, watch::Sender<Option<()>>>>>,
3467 forbid_connections: Arc<AtomicBool>,
3468 _test_db: TestDb,
3469 }
3470
3471 impl TestServer {
3472 async fn start(foreground: Rc<executor::Foreground>) -> Self {
3473 let test_db = TestDb::new();
3474 let app_state = Self::build_app_state(&test_db).await;
3475 let peer = Peer::new();
3476 let notifications = mpsc::channel(128);
3477 let server = Server::new(app_state.clone(), peer.clone(), Some(notifications.0));
3478 Self {
3479 peer,
3480 app_state,
3481 server,
3482 foreground,
3483 notifications: notifications.1,
3484 connection_killers: Default::default(),
3485 forbid_connections: Default::default(),
3486 _test_db: test_db,
3487 }
3488 }
3489
3490 async fn create_client(&mut self, cx: &mut TestAppContext, name: &str) -> TestClient {
3491 let http = FakeHttpClient::with_404_response();
3492 let user_id = self.app_state.db.create_user(name, false).await.unwrap();
3493 let client_name = name.to_string();
3494 let mut client = Client::new(http.clone());
3495 let server = self.server.clone();
3496 let connection_killers = self.connection_killers.clone();
3497 let forbid_connections = self.forbid_connections.clone();
3498 let (connection_id_tx, mut connection_id_rx) = postage::mpsc::channel(16);
3499
3500 Arc::get_mut(&mut client)
3501 .unwrap()
3502 .override_authenticate(move |cx| {
3503 cx.spawn(|_| async move {
3504 let access_token = "the-token".to_string();
3505 Ok(Credentials {
3506 user_id: user_id.0 as u64,
3507 access_token,
3508 })
3509 })
3510 })
3511 .override_establish_connection(move |credentials, cx| {
3512 assert_eq!(credentials.user_id, user_id.0 as u64);
3513 assert_eq!(credentials.access_token, "the-token");
3514
3515 let server = server.clone();
3516 let connection_killers = connection_killers.clone();
3517 let forbid_connections = forbid_connections.clone();
3518 let client_name = client_name.clone();
3519 let connection_id_tx = connection_id_tx.clone();
3520 cx.spawn(move |cx| async move {
3521 if forbid_connections.load(SeqCst) {
3522 Err(EstablishConnectionError::other(anyhow!(
3523 "server is forbidding connections"
3524 )))
3525 } else {
3526 let (client_conn, server_conn, kill_conn) =
3527 Connection::in_memory(cx.background());
3528 connection_killers.lock().insert(user_id, kill_conn);
3529 cx.background()
3530 .spawn(server.handle_connection(
3531 server_conn,
3532 client_name,
3533 user_id,
3534 Some(connection_id_tx),
3535 ))
3536 .detach();
3537 Ok(client_conn)
3538 }
3539 })
3540 });
3541
3542 client
3543 .authenticate_and_connect(&cx.to_async())
3544 .await
3545 .unwrap();
3546
3547 let peer_id = PeerId(connection_id_rx.next().await.unwrap().0);
3548 let user_store = cx.add_model(|cx| UserStore::new(client.clone(), http, cx));
3549 let mut authed_user =
3550 user_store.read_with(cx, |user_store, _| user_store.watch_current_user());
3551 while authed_user.next().await.unwrap().is_none() {}
3552
3553 TestClient {
3554 client,
3555 peer_id,
3556 user_store,
3557 }
3558 }
3559
3560 fn disconnect_client(&self, user_id: UserId) {
3561 if let Some(mut kill_conn) = self.connection_killers.lock().remove(&user_id) {
3562 let _ = kill_conn.try_send(Some(()));
3563 }
3564 }
3565
3566 fn forbid_connections(&self) {
3567 self.forbid_connections.store(true, SeqCst);
3568 }
3569
3570 fn allow_connections(&self) {
3571 self.forbid_connections.store(false, SeqCst);
3572 }
3573
3574 async fn build_app_state(test_db: &TestDb) -> Arc<AppState> {
3575 let mut config = Config::default();
3576 config.session_secret = "a".repeat(32);
3577 config.database_url = test_db.url.clone();
3578 let github_client = github::AppClient::test();
3579 Arc::new(AppState {
3580 db: test_db.db().clone(),
3581 handlebars: Default::default(),
3582 auth_client: auth::build_client("", ""),
3583 repo_client: github::RepoClient::test(&github_client),
3584 github_client,
3585 config,
3586 })
3587 }
3588
3589 async fn state<'a>(&'a self) -> RwLockReadGuard<'a, Store> {
3590 self.server.store.read()
3591 }
3592
3593 async fn condition<F>(&mut self, mut predicate: F)
3594 where
3595 F: FnMut(&Store) -> bool,
3596 {
3597 async_std::future::timeout(Duration::from_millis(500), async {
3598 while !(predicate)(&*self.server.store.read()) {
3599 self.foreground.start_waiting();
3600 self.notifications.next().await;
3601 self.foreground.finish_waiting();
3602 }
3603 })
3604 .await
3605 .expect("condition timed out");
3606 }
3607 }
3608
3609 impl Drop for TestServer {
3610 fn drop(&mut self) {
3611 self.peer.reset();
3612 }
3613 }
3614
3615 struct TestClient {
3616 client: Arc<Client>,
3617 pub peer_id: PeerId,
3618 pub user_store: ModelHandle<UserStore>,
3619 }
3620
3621 impl Deref for TestClient {
3622 type Target = Arc<Client>;
3623
3624 fn deref(&self) -> &Self::Target {
3625 &self.client
3626 }
3627 }
3628
3629 impl TestClient {
3630 pub fn current_user_id(&self, cx: &TestAppContext) -> UserId {
3631 UserId::from_proto(
3632 self.user_store
3633 .read_with(cx, |user_store, _| user_store.current_user().unwrap().id),
3634 )
3635 }
3636 }
3637
3638 fn channel_messages(channel: &Channel) -> Vec<(String, String, bool)> {
3639 channel
3640 .messages()
3641 .cursor::<()>()
3642 .map(|m| {
3643 (
3644 m.sender.github_login.clone(),
3645 m.body.clone(),
3646 m.is_pending(),
3647 )
3648 })
3649 .collect()
3650 }
3651
3652 struct EmptyView;
3653
3654 impl gpui::Entity for EmptyView {
3655 type Event = ();
3656 }
3657
3658 impl gpui::View for EmptyView {
3659 fn ui_name() -> &'static str {
3660 "empty view"
3661 }
3662
3663 fn render(&mut self, _: &mut gpui::RenderContext<Self>) -> gpui::ElementBox {
3664 gpui::Element::boxed(gpui::elements::Empty)
3665 }
3666 }
3667}