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, mem, 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::open_buffer)
78 .add_handler(Server::close_buffer)
79 .add_handler(Server::update_buffer)
80 .add_handler(Server::buffer_saved)
81 .add_handler(Server::save_buffer)
82 .add_handler(Server::format_buffer)
83 .add_handler(Server::get_channels)
84 .add_handler(Server::get_users)
85 .add_handler(Server::join_channel)
86 .add_handler(Server::leave_channel)
87 .add_handler(Server::send_channel_message)
88 .add_handler(Server::get_channel_messages);
89
90 Arc::new(server)
91 }
92
93 fn add_handler<F, Fut, M>(&mut self, handler: F) -> &mut Self
94 where
95 F: 'static + Send + Sync + Fn(Arc<Self>, TypedEnvelope<M>) -> Fut,
96 Fut: 'static + Send + Future<Output = tide::Result<()>>,
97 M: EnvelopedMessage,
98 {
99 let prev_handler = self.handlers.insert(
100 TypeId::of::<M>(),
101 Box::new(move |server, envelope| {
102 let envelope = envelope.into_any().downcast::<TypedEnvelope<M>>().unwrap();
103 (handler)(server, *envelope).boxed()
104 }),
105 );
106 if prev_handler.is_some() {
107 panic!("registered a handler for the same message twice");
108 }
109 self
110 }
111
112 pub fn handle_connection(
113 self: &Arc<Self>,
114 connection: Connection,
115 addr: String,
116 user_id: UserId,
117 mut send_connection_id: Option<postage::mpsc::Sender<ConnectionId>>,
118 ) -> impl Future<Output = ()> {
119 let mut this = self.clone();
120 async move {
121 let (connection_id, handle_io, mut incoming_rx) =
122 this.peer.add_connection(connection).await;
123
124 if let Some(send_connection_id) = send_connection_id.as_mut() {
125 let _ = send_connection_id.send(connection_id).await;
126 }
127
128 this.state_mut().add_connection(connection_id, user_id);
129 if let Err(err) = this.update_contacts_for_users(&[user_id]).await {
130 log::error!("error updating contacts for {:?}: {}", user_id, err);
131 }
132
133 let handle_io = handle_io.fuse();
134 futures::pin_mut!(handle_io);
135 loop {
136 let next_message = incoming_rx.next().fuse();
137 futures::pin_mut!(next_message);
138 futures::select_biased! {
139 message = next_message => {
140 if let Some(message) = message {
141 let start_time = Instant::now();
142 log::info!("RPC message received: {}", message.payload_type_name());
143 if let Some(handler) = this.handlers.get(&message.payload_type_id()) {
144 if let Err(err) = (handler)(this.clone(), message).await {
145 log::error!("error handling message: {:?}", err);
146 } else {
147 log::info!("RPC message handled. duration:{:?}", start_time.elapsed());
148 }
149
150 if let Some(mut notifications) = this.notifications.clone() {
151 let _ = notifications.send(()).await;
152 }
153 } else {
154 log::warn!("unhandled message: {}", message.payload_type_name());
155 }
156 } else {
157 log::info!("rpc connection closed {:?}", addr);
158 break;
159 }
160 }
161 handle_io = handle_io => {
162 if let Err(err) = handle_io {
163 log::error!("error handling rpc connection {:?} - {:?}", addr, err);
164 }
165 break;
166 }
167 }
168 }
169
170 if let Err(err) = this.sign_out(connection_id).await {
171 log::error!("error signing out connection {:?} - {:?}", addr, err);
172 }
173 }
174 }
175
176 async fn sign_out(self: &mut Arc<Self>, connection_id: ConnectionId) -> tide::Result<()> {
177 self.peer.disconnect(connection_id);
178 let removed_connection = self.state_mut().remove_connection(connection_id)?;
179
180 for (project_id, project) in removed_connection.hosted_projects {
181 if let Some(share) = project.share {
182 broadcast(
183 connection_id,
184 share.guests.keys().copied().collect(),
185 |conn_id| {
186 self.peer
187 .send(conn_id, proto::UnshareProject { project_id })
188 },
189 )
190 .await?;
191 }
192 }
193
194 for (project_id, peer_ids) in removed_connection.guest_project_ids {
195 broadcast(connection_id, peer_ids, |conn_id| {
196 self.peer.send(
197 conn_id,
198 proto::RemoveProjectCollaborator {
199 project_id,
200 peer_id: connection_id.0,
201 },
202 )
203 })
204 .await?;
205 }
206
207 self.update_contacts_for_users(removed_connection.contact_ids.iter())
208 .await?;
209
210 Ok(())
211 }
212
213 async fn ping(self: Arc<Server>, request: TypedEnvelope<proto::Ping>) -> tide::Result<()> {
214 self.peer.respond(request.receipt(), proto::Ack {}).await?;
215 Ok(())
216 }
217
218 async fn register_project(
219 mut self: Arc<Server>,
220 request: TypedEnvelope<proto::RegisterProject>,
221 ) -> tide::Result<()> {
222 let project_id = {
223 let mut state = self.state_mut();
224 let user_id = state.user_id_for_connection(request.sender_id)?;
225 state.register_project(request.sender_id, user_id)
226 };
227 self.peer
228 .respond(
229 request.receipt(),
230 proto::RegisterProjectResponse { project_id },
231 )
232 .await?;
233 Ok(())
234 }
235
236 async fn unregister_project(
237 mut self: Arc<Server>,
238 request: TypedEnvelope<proto::UnregisterProject>,
239 ) -> tide::Result<()> {
240 let project = self
241 .state_mut()
242 .unregister_project(request.payload.project_id, request.sender_id)
243 .ok_or_else(|| anyhow!("no such project"))?;
244 self.update_contacts_for_users(project.authorized_user_ids().iter())
245 .await?;
246 Ok(())
247 }
248
249 async fn share_project(
250 mut self: Arc<Server>,
251 request: TypedEnvelope<proto::ShareProject>,
252 ) -> tide::Result<()> {
253 self.state_mut()
254 .share_project(request.payload.project_id, request.sender_id);
255 self.peer.respond(request.receipt(), proto::Ack {}).await?;
256 Ok(())
257 }
258
259 async fn unshare_project(
260 mut self: Arc<Server>,
261 request: TypedEnvelope<proto::UnshareProject>,
262 ) -> tide::Result<()> {
263 let project_id = request.payload.project_id;
264 let project = self
265 .state_mut()
266 .unshare_project(project_id, request.sender_id)?;
267
268 broadcast(request.sender_id, project.connection_ids, |conn_id| {
269 self.peer
270 .send(conn_id, proto::UnshareProject { project_id })
271 })
272 .await?;
273 self.update_contacts_for_users(&project.authorized_user_ids)
274 .await?;
275
276 Ok(())
277 }
278
279 async fn join_project(
280 mut self: Arc<Server>,
281 request: TypedEnvelope<proto::JoinProject>,
282 ) -> tide::Result<()> {
283 let project_id = request.payload.project_id;
284
285 let user_id = self.state().user_id_for_connection(request.sender_id)?;
286 let response_data = self
287 .state_mut()
288 .join_project(request.sender_id, user_id, project_id)
289 .and_then(|joined| {
290 let share = joined.project.share()?;
291 let peer_count = share.guests.len();
292 let mut collaborators = Vec::with_capacity(peer_count);
293 collaborators.push(proto::Collaborator {
294 peer_id: joined.project.host_connection_id.0,
295 replica_id: 0,
296 user_id: joined.project.host_user_id.to_proto(),
297 });
298 let worktrees = joined
299 .project
300 .worktrees
301 .iter()
302 .filter_map(|(id, worktree)| {
303 worktree.share.as_ref().map(|share| proto::Worktree {
304 id: *id,
305 root_name: worktree.root_name.clone(),
306 entries: share.entries.values().cloned().collect(),
307 diagnostic_summaries: share
308 .diagnostic_summaries
309 .values()
310 .cloned()
311 .collect(),
312 })
313 })
314 .collect();
315 for (peer_conn_id, (peer_replica_id, peer_user_id)) in &share.guests {
316 if *peer_conn_id != request.sender_id {
317 collaborators.push(proto::Collaborator {
318 peer_id: peer_conn_id.0,
319 replica_id: *peer_replica_id as u32,
320 user_id: peer_user_id.to_proto(),
321 });
322 }
323 }
324 let response = proto::JoinProjectResponse {
325 worktrees,
326 replica_id: joined.replica_id as u32,
327 collaborators,
328 };
329 let connection_ids = joined.project.connection_ids();
330 let contact_user_ids = joined.project.authorized_user_ids();
331 Ok((response, connection_ids, contact_user_ids))
332 });
333
334 match response_data {
335 Ok((response, connection_ids, contact_user_ids)) => {
336 broadcast(request.sender_id, connection_ids, |conn_id| {
337 self.peer.send(
338 conn_id,
339 proto::AddProjectCollaborator {
340 project_id: project_id,
341 collaborator: Some(proto::Collaborator {
342 peer_id: request.sender_id.0,
343 replica_id: response.replica_id,
344 user_id: user_id.to_proto(),
345 }),
346 },
347 )
348 })
349 .await?;
350 self.peer.respond(request.receipt(), response).await?;
351 self.update_contacts_for_users(&contact_user_ids).await?;
352 }
353 Err(error) => {
354 self.peer
355 .respond_with_error(
356 request.receipt(),
357 proto::Error {
358 message: error.to_string(),
359 },
360 )
361 .await?;
362 }
363 }
364
365 Ok(())
366 }
367
368 async fn leave_project(
369 mut self: Arc<Server>,
370 request: TypedEnvelope<proto::LeaveProject>,
371 ) -> tide::Result<()> {
372 let sender_id = request.sender_id;
373 let project_id = request.payload.project_id;
374 let worktree = self.state_mut().leave_project(sender_id, project_id);
375 if let Some(worktree) = worktree {
376 broadcast(sender_id, worktree.connection_ids, |conn_id| {
377 self.peer.send(
378 conn_id,
379 proto::RemoveProjectCollaborator {
380 project_id,
381 peer_id: sender_id.0,
382 },
383 )
384 })
385 .await?;
386 self.update_contacts_for_users(&worktree.authorized_user_ids)
387 .await?;
388 }
389 Ok(())
390 }
391
392 async fn register_worktree(
393 mut self: Arc<Server>,
394 request: TypedEnvelope<proto::RegisterWorktree>,
395 ) -> tide::Result<()> {
396 let receipt = request.receipt();
397 let host_user_id = self.state().user_id_for_connection(request.sender_id)?;
398
399 let mut contact_user_ids = HashSet::default();
400 contact_user_ids.insert(host_user_id);
401 for github_login in request.payload.authorized_logins {
402 match self.app_state.db.create_user(&github_login, false).await {
403 Ok(contact_user_id) => {
404 contact_user_ids.insert(contact_user_id);
405 }
406 Err(err) => {
407 let message = err.to_string();
408 self.peer
409 .respond_with_error(receipt, proto::Error { message })
410 .await?;
411 return Ok(());
412 }
413 }
414 }
415
416 let contact_user_ids = contact_user_ids.into_iter().collect::<Vec<_>>();
417 let ok = self.state_mut().register_worktree(
418 request.payload.project_id,
419 request.payload.worktree_id,
420 Worktree {
421 authorized_user_ids: contact_user_ids.clone(),
422 root_name: request.payload.root_name,
423 share: None,
424 },
425 );
426
427 if ok {
428 self.peer.respond(receipt, proto::Ack {}).await?;
429 self.update_contacts_for_users(&contact_user_ids).await?;
430 } else {
431 self.peer
432 .respond_with_error(
433 receipt,
434 proto::Error {
435 message: NO_SUCH_PROJECT.to_string(),
436 },
437 )
438 .await?;
439 }
440
441 Ok(())
442 }
443
444 async fn unregister_worktree(
445 mut self: Arc<Server>,
446 request: TypedEnvelope<proto::UnregisterWorktree>,
447 ) -> tide::Result<()> {
448 let project_id = request.payload.project_id;
449 let worktree_id = request.payload.worktree_id;
450 let (worktree, guest_connection_ids) =
451 self.state_mut()
452 .unregister_worktree(project_id, worktree_id, request.sender_id)?;
453
454 broadcast(request.sender_id, guest_connection_ids, |conn_id| {
455 self.peer.send(
456 conn_id,
457 proto::UnregisterWorktree {
458 project_id,
459 worktree_id,
460 },
461 )
462 })
463 .await?;
464 self.update_contacts_for_users(&worktree.authorized_user_ids)
465 .await?;
466 Ok(())
467 }
468
469 async fn share_worktree(
470 mut self: Arc<Server>,
471 mut request: TypedEnvelope<proto::ShareWorktree>,
472 ) -> tide::Result<()> {
473 let worktree = request
474 .payload
475 .worktree
476 .as_mut()
477 .ok_or_else(|| anyhow!("missing worktree"))?;
478 let entries = mem::take(&mut worktree.entries)
479 .into_iter()
480 .map(|entry| (entry.id, entry))
481 .collect();
482
483 let diagnostic_summaries = mem::take(&mut worktree.diagnostic_summaries)
484 .into_iter()
485 .map(|summary| (PathBuf::from(summary.path.clone()), summary))
486 .collect();
487
488 let contact_user_ids = self.state_mut().share_worktree(
489 request.payload.project_id,
490 worktree.id,
491 request.sender_id,
492 entries,
493 diagnostic_summaries,
494 );
495 if let Some(contact_user_ids) = contact_user_ids {
496 self.peer.respond(request.receipt(), proto::Ack {}).await?;
497 self.update_contacts_for_users(&contact_user_ids).await?;
498 } else {
499 self.peer
500 .respond_with_error(
501 request.receipt(),
502 proto::Error {
503 message: "no such worktree".to_string(),
504 },
505 )
506 .await?;
507 }
508 Ok(())
509 }
510
511 async fn update_worktree(
512 mut self: Arc<Server>,
513 request: TypedEnvelope<proto::UpdateWorktree>,
514 ) -> tide::Result<()> {
515 let connection_ids = self
516 .state_mut()
517 .update_worktree(
518 request.sender_id,
519 request.payload.project_id,
520 request.payload.worktree_id,
521 &request.payload.removed_entries,
522 &request.payload.updated_entries,
523 )
524 .ok_or_else(|| anyhow!("no such worktree"))?;
525
526 broadcast(request.sender_id, connection_ids, |connection_id| {
527 self.peer
528 .forward_send(request.sender_id, connection_id, request.payload.clone())
529 })
530 .await?;
531
532 Ok(())
533 }
534
535 async fn update_diagnostic_summary(
536 mut self: Arc<Server>,
537 request: TypedEnvelope<proto::UpdateDiagnosticSummary>,
538 ) -> tide::Result<()> {
539 let receiver_ids = request
540 .payload
541 .summary
542 .clone()
543 .and_then(|summary| {
544 self.state_mut().update_diagnostic_summary(
545 request.payload.project_id,
546 request.payload.worktree_id,
547 request.sender_id,
548 summary,
549 )
550 })
551 .ok_or_else(|| anyhow!(NO_SUCH_PROJECT))?;
552
553 broadcast(request.sender_id, receiver_ids, |connection_id| {
554 self.peer
555 .forward_send(request.sender_id, connection_id, request.payload.clone())
556 })
557 .await?;
558 Ok(())
559 }
560
561 async fn disk_based_diagnostics_updating(
562 self: Arc<Server>,
563 request: TypedEnvelope<proto::DiskBasedDiagnosticsUpdating>,
564 ) -> tide::Result<()> {
565 let receiver_ids = self
566 .state()
567 .project_connection_ids(request.payload.project_id, request.sender_id)
568 .ok_or_else(|| anyhow!(NO_SUCH_PROJECT))?;
569 broadcast(request.sender_id, receiver_ids, |connection_id| {
570 self.peer
571 .forward_send(request.sender_id, connection_id, request.payload.clone())
572 })
573 .await?;
574 Ok(())
575 }
576
577 async fn disk_based_diagnostics_updated(
578 self: Arc<Server>,
579 request: TypedEnvelope<proto::DiskBasedDiagnosticsUpdated>,
580 ) -> tide::Result<()> {
581 let receiver_ids = self
582 .state()
583 .project_connection_ids(request.payload.project_id, request.sender_id)
584 .ok_or_else(|| anyhow!(NO_SUCH_PROJECT))?;
585 broadcast(request.sender_id, receiver_ids, |connection_id| {
586 self.peer
587 .forward_send(request.sender_id, connection_id, request.payload.clone())
588 })
589 .await?;
590 Ok(())
591 }
592
593 async fn open_buffer(
594 self: Arc<Server>,
595 request: TypedEnvelope<proto::OpenBuffer>,
596 ) -> tide::Result<()> {
597 let receipt = request.receipt();
598 let host_connection_id = self
599 .state()
600 .read_project(request.payload.project_id, request.sender_id)
601 .ok_or_else(|| anyhow!(NO_SUCH_PROJECT))?
602 .host_connection_id;
603 let response = self
604 .peer
605 .forward_request(request.sender_id, host_connection_id, request.payload)
606 .await?;
607 self.peer.respond(receipt, response).await?;
608 Ok(())
609 }
610
611 async fn close_buffer(
612 self: Arc<Server>,
613 request: TypedEnvelope<proto::CloseBuffer>,
614 ) -> tide::Result<()> {
615 let host_connection_id = self
616 .state()
617 .read_project(request.payload.project_id, request.sender_id)
618 .ok_or_else(|| anyhow!(NO_SUCH_PROJECT))?
619 .host_connection_id;
620 self.peer
621 .forward_send(request.sender_id, host_connection_id, request.payload)
622 .await?;
623 Ok(())
624 }
625
626 async fn save_buffer(
627 self: Arc<Server>,
628 request: TypedEnvelope<proto::SaveBuffer>,
629 ) -> tide::Result<()> {
630 let host;
631 let guests;
632 {
633 let state = self.state();
634 let project = state
635 .read_project(request.payload.project_id, request.sender_id)
636 .ok_or_else(|| anyhow!(NO_SUCH_PROJECT))?;
637 host = project.host_connection_id;
638 guests = project.guest_connection_ids()
639 }
640
641 let sender = request.sender_id;
642 let receipt = request.receipt();
643 let response = self
644 .peer
645 .forward_request(sender, host, request.payload.clone())
646 .await?;
647
648 broadcast(host, guests, |conn_id| {
649 let response = response.clone();
650 let peer = &self.peer;
651 async move {
652 if conn_id == sender {
653 peer.respond(receipt, response).await
654 } else {
655 peer.forward_send(host, conn_id, response).await
656 }
657 }
658 })
659 .await?;
660
661 Ok(())
662 }
663
664 async fn format_buffer(
665 self: Arc<Server>,
666 request: TypedEnvelope<proto::FormatBuffer>,
667 ) -> tide::Result<()> {
668 let host;
669 {
670 let state = self.state();
671 let project = state
672 .read_project(request.payload.project_id, request.sender_id)
673 .ok_or_else(|| anyhow!(NO_SUCH_PROJECT))?;
674 host = project.host_connection_id;
675 }
676
677 let sender = request.sender_id;
678 let receipt = request.receipt();
679 let response = self
680 .peer
681 .forward_request(sender, host, request.payload.clone())
682 .await?;
683 self.peer.respond(receipt, response).await?;
684
685 Ok(())
686 }
687
688 async fn update_buffer(
689 self: Arc<Server>,
690 request: TypedEnvelope<proto::UpdateBuffer>,
691 ) -> tide::Result<()> {
692 let receiver_ids = self
693 .state()
694 .project_connection_ids(request.payload.project_id, request.sender_id)
695 .ok_or_else(|| anyhow!(NO_SUCH_PROJECT))?;
696 broadcast(request.sender_id, receiver_ids, |connection_id| {
697 self.peer
698 .forward_send(request.sender_id, connection_id, request.payload.clone())
699 })
700 .await?;
701 self.peer.respond(request.receipt(), proto::Ack {}).await?;
702 Ok(())
703 }
704
705 async fn buffer_saved(
706 self: Arc<Server>,
707 request: TypedEnvelope<proto::BufferSaved>,
708 ) -> tide::Result<()> {
709 let receiver_ids = self
710 .state()
711 .project_connection_ids(request.payload.project_id, request.sender_id)
712 .ok_or_else(|| anyhow!(NO_SUCH_PROJECT))?;
713 broadcast(request.sender_id, receiver_ids, |connection_id| {
714 self.peer
715 .forward_send(request.sender_id, connection_id, request.payload.clone())
716 })
717 .await?;
718 Ok(())
719 }
720
721 async fn get_channels(
722 self: Arc<Server>,
723 request: TypedEnvelope<proto::GetChannels>,
724 ) -> tide::Result<()> {
725 let user_id = self.state().user_id_for_connection(request.sender_id)?;
726 let channels = self.app_state.db.get_accessible_channels(user_id).await?;
727 self.peer
728 .respond(
729 request.receipt(),
730 proto::GetChannelsResponse {
731 channels: channels
732 .into_iter()
733 .map(|chan| proto::Channel {
734 id: chan.id.to_proto(),
735 name: chan.name,
736 })
737 .collect(),
738 },
739 )
740 .await?;
741 Ok(())
742 }
743
744 async fn get_users(
745 self: Arc<Server>,
746 request: TypedEnvelope<proto::GetUsers>,
747 ) -> tide::Result<()> {
748 let receipt = request.receipt();
749 let user_ids = request.payload.user_ids.into_iter().map(UserId::from_proto);
750 let users = self
751 .app_state
752 .db
753 .get_users_by_ids(user_ids)
754 .await?
755 .into_iter()
756 .map(|user| proto::User {
757 id: user.id.to_proto(),
758 avatar_url: format!("https://github.com/{}.png?size=128", user.github_login),
759 github_login: user.github_login,
760 })
761 .collect();
762 self.peer
763 .respond(receipt, proto::GetUsersResponse { users })
764 .await?;
765 Ok(())
766 }
767
768 async fn update_contacts_for_users<'a>(
769 self: &Arc<Server>,
770 user_ids: impl IntoIterator<Item = &'a UserId>,
771 ) -> tide::Result<()> {
772 let mut send_futures = Vec::new();
773
774 {
775 let state = self.state();
776 for user_id in user_ids {
777 let contacts = state.contacts_for_user(*user_id);
778 for connection_id in state.connection_ids_for_user(*user_id) {
779 send_futures.push(self.peer.send(
780 connection_id,
781 proto::UpdateContacts {
782 contacts: contacts.clone(),
783 },
784 ));
785 }
786 }
787 }
788 futures::future::try_join_all(send_futures).await?;
789
790 Ok(())
791 }
792
793 async fn join_channel(
794 mut self: Arc<Self>,
795 request: TypedEnvelope<proto::JoinChannel>,
796 ) -> tide::Result<()> {
797 let user_id = self.state().user_id_for_connection(request.sender_id)?;
798 let channel_id = ChannelId::from_proto(request.payload.channel_id);
799 if !self
800 .app_state
801 .db
802 .can_user_access_channel(user_id, channel_id)
803 .await?
804 {
805 Err(anyhow!("access denied"))?;
806 }
807
808 self.state_mut().join_channel(request.sender_id, channel_id);
809 let messages = self
810 .app_state
811 .db
812 .get_channel_messages(channel_id, MESSAGE_COUNT_PER_PAGE, None)
813 .await?
814 .into_iter()
815 .map(|msg| proto::ChannelMessage {
816 id: msg.id.to_proto(),
817 body: msg.body,
818 timestamp: msg.sent_at.unix_timestamp() as u64,
819 sender_id: msg.sender_id.to_proto(),
820 nonce: Some(msg.nonce.as_u128().into()),
821 })
822 .collect::<Vec<_>>();
823 self.peer
824 .respond(
825 request.receipt(),
826 proto::JoinChannelResponse {
827 done: messages.len() < MESSAGE_COUNT_PER_PAGE,
828 messages,
829 },
830 )
831 .await?;
832 Ok(())
833 }
834
835 async fn leave_channel(
836 mut self: Arc<Self>,
837 request: TypedEnvelope<proto::LeaveChannel>,
838 ) -> tide::Result<()> {
839 let user_id = self.state().user_id_for_connection(request.sender_id)?;
840 let channel_id = ChannelId::from_proto(request.payload.channel_id);
841 if !self
842 .app_state
843 .db
844 .can_user_access_channel(user_id, channel_id)
845 .await?
846 {
847 Err(anyhow!("access denied"))?;
848 }
849
850 self.state_mut()
851 .leave_channel(request.sender_id, channel_id);
852
853 Ok(())
854 }
855
856 async fn send_channel_message(
857 self: Arc<Self>,
858 request: TypedEnvelope<proto::SendChannelMessage>,
859 ) -> tide::Result<()> {
860 let receipt = request.receipt();
861 let channel_id = ChannelId::from_proto(request.payload.channel_id);
862 let user_id;
863 let connection_ids;
864 {
865 let state = self.state();
866 user_id = state.user_id_for_connection(request.sender_id)?;
867 if let Some(ids) = state.channel_connection_ids(channel_id) {
868 connection_ids = ids;
869 } else {
870 return Ok(());
871 }
872 }
873
874 // Validate the message body.
875 let body = request.payload.body.trim().to_string();
876 if body.len() > MAX_MESSAGE_LEN {
877 self.peer
878 .respond_with_error(
879 receipt,
880 proto::Error {
881 message: "message is too long".to_string(),
882 },
883 )
884 .await?;
885 return Ok(());
886 }
887 if body.is_empty() {
888 self.peer
889 .respond_with_error(
890 receipt,
891 proto::Error {
892 message: "message can't be blank".to_string(),
893 },
894 )
895 .await?;
896 return Ok(());
897 }
898
899 let timestamp = OffsetDateTime::now_utc();
900 let nonce = if let Some(nonce) = request.payload.nonce {
901 nonce
902 } else {
903 self.peer
904 .respond_with_error(
905 receipt,
906 proto::Error {
907 message: "nonce can't be blank".to_string(),
908 },
909 )
910 .await?;
911 return Ok(());
912 };
913
914 let message_id = self
915 .app_state
916 .db
917 .create_channel_message(channel_id, user_id, &body, timestamp, nonce.clone().into())
918 .await?
919 .to_proto();
920 let message = proto::ChannelMessage {
921 sender_id: user_id.to_proto(),
922 id: message_id,
923 body,
924 timestamp: timestamp.unix_timestamp() as u64,
925 nonce: Some(nonce),
926 };
927 broadcast(request.sender_id, connection_ids, |conn_id| {
928 self.peer.send(
929 conn_id,
930 proto::ChannelMessageSent {
931 channel_id: channel_id.to_proto(),
932 message: Some(message.clone()),
933 },
934 )
935 })
936 .await?;
937 self.peer
938 .respond(
939 receipt,
940 proto::SendChannelMessageResponse {
941 message: Some(message),
942 },
943 )
944 .await?;
945 Ok(())
946 }
947
948 async fn get_channel_messages(
949 self: Arc<Self>,
950 request: TypedEnvelope<proto::GetChannelMessages>,
951 ) -> tide::Result<()> {
952 let user_id = self.state().user_id_for_connection(request.sender_id)?;
953 let channel_id = ChannelId::from_proto(request.payload.channel_id);
954 if !self
955 .app_state
956 .db
957 .can_user_access_channel(user_id, channel_id)
958 .await?
959 {
960 Err(anyhow!("access denied"))?;
961 }
962
963 let messages = self
964 .app_state
965 .db
966 .get_channel_messages(
967 channel_id,
968 MESSAGE_COUNT_PER_PAGE,
969 Some(MessageId::from_proto(request.payload.before_message_id)),
970 )
971 .await?
972 .into_iter()
973 .map(|msg| proto::ChannelMessage {
974 id: msg.id.to_proto(),
975 body: msg.body,
976 timestamp: msg.sent_at.unix_timestamp() as u64,
977 sender_id: msg.sender_id.to_proto(),
978 nonce: Some(msg.nonce.as_u128().into()),
979 })
980 .collect::<Vec<_>>();
981 self.peer
982 .respond(
983 request.receipt(),
984 proto::GetChannelMessagesResponse {
985 done: messages.len() < MESSAGE_COUNT_PER_PAGE,
986 messages,
987 },
988 )
989 .await?;
990 Ok(())
991 }
992
993 fn state<'a>(self: &'a Arc<Self>) -> RwLockReadGuard<'a, Store> {
994 self.store.read()
995 }
996
997 fn state_mut<'a>(self: &'a mut Arc<Self>) -> RwLockWriteGuard<'a, Store> {
998 self.store.write()
999 }
1000}
1001
1002pub async fn broadcast<F, T>(
1003 sender_id: ConnectionId,
1004 receiver_ids: Vec<ConnectionId>,
1005 mut f: F,
1006) -> anyhow::Result<()>
1007where
1008 F: FnMut(ConnectionId) -> T,
1009 T: Future<Output = anyhow::Result<()>>,
1010{
1011 let futures = receiver_ids
1012 .into_iter()
1013 .filter(|id| *id != sender_id)
1014 .map(|id| f(id));
1015 futures::future::try_join_all(futures).await?;
1016 Ok(())
1017}
1018
1019pub fn add_routes(app: &mut tide::Server<Arc<AppState>>, rpc: &Arc<Peer>) {
1020 let server = Server::new(app.state().clone(), rpc.clone(), None);
1021 app.at("/rpc").get(move |request: Request<Arc<AppState>>| {
1022 let server = server.clone();
1023 async move {
1024 const WEBSOCKET_GUID: &str = "258EAFA5-E914-47DA-95CA-C5AB0DC85B11";
1025
1026 let connection_upgrade = header_contains_ignore_case(&request, CONNECTION, "upgrade");
1027 let upgrade_to_websocket = header_contains_ignore_case(&request, UPGRADE, "websocket");
1028 let upgrade_requested = connection_upgrade && upgrade_to_websocket;
1029 let client_protocol_version: Option<u32> = request
1030 .header("X-Zed-Protocol-Version")
1031 .and_then(|v| v.as_str().parse().ok());
1032
1033 if !upgrade_requested || client_protocol_version != Some(rpc::PROTOCOL_VERSION) {
1034 return Ok(Response::new(StatusCode::UpgradeRequired));
1035 }
1036
1037 let header = match request.header("Sec-Websocket-Key") {
1038 Some(h) => h.as_str(),
1039 None => return Err(anyhow!("expected sec-websocket-key"))?,
1040 };
1041
1042 let user_id = process_auth_header(&request).await?;
1043
1044 let mut response = Response::new(StatusCode::SwitchingProtocols);
1045 response.insert_header(UPGRADE, "websocket");
1046 response.insert_header(CONNECTION, "Upgrade");
1047 let hash = Sha1::new().chain(header).chain(WEBSOCKET_GUID).finalize();
1048 response.insert_header("Sec-Websocket-Accept", base64::encode(&hash[..]));
1049 response.insert_header("Sec-Websocket-Version", "13");
1050
1051 let http_res: &mut tide::http::Response = response.as_mut();
1052 let upgrade_receiver = http_res.recv_upgrade().await;
1053 let addr = request.remote().unwrap_or("unknown").to_string();
1054 task::spawn(async move {
1055 if let Some(stream) = upgrade_receiver.await {
1056 server
1057 .handle_connection(
1058 Connection::new(
1059 WebSocketStream::from_raw_socket(stream, Role::Server, None).await,
1060 ),
1061 addr,
1062 user_id,
1063 None,
1064 )
1065 .await;
1066 }
1067 });
1068
1069 Ok(response)
1070 }
1071 });
1072}
1073
1074fn header_contains_ignore_case<T>(
1075 request: &tide::Request<T>,
1076 header_name: HeaderName,
1077 value: &str,
1078) -> bool {
1079 request
1080 .header(header_name)
1081 .map(|h| {
1082 h.as_str()
1083 .split(',')
1084 .any(|s| s.trim().eq_ignore_ascii_case(value.trim()))
1085 })
1086 .unwrap_or(false)
1087}
1088
1089#[cfg(test)]
1090mod tests {
1091 use super::*;
1092 use crate::{
1093 auth,
1094 db::{tests::TestDb, UserId},
1095 github, AppState, Config,
1096 };
1097 use ::rpc::Peer;
1098 use async_std::task;
1099 use gpui::{executor, ModelHandle, TestAppContext};
1100 use parking_lot::Mutex;
1101 use postage::{mpsc, watch};
1102 use rpc::PeerId;
1103 use serde_json::json;
1104 use sqlx::types::time::OffsetDateTime;
1105 use std::{
1106 ops::Deref,
1107 path::Path,
1108 rc::Rc,
1109 sync::{
1110 atomic::{AtomicBool, Ordering::SeqCst},
1111 Arc,
1112 },
1113 time::Duration,
1114 };
1115 use zed::{
1116 client::{
1117 self, test::FakeHttpClient, Channel, ChannelDetails, ChannelList, Client, Credentials,
1118 EstablishConnectionError, UserStore,
1119 },
1120 editor::{Editor, EditorSettings, Input, MultiBuffer},
1121 fs::{FakeFs, Fs as _},
1122 language::{
1123 tree_sitter_rust, Diagnostic, DiagnosticEntry, Language, LanguageConfig,
1124 LanguageRegistry, LanguageServerConfig, Point,
1125 },
1126 lsp,
1127 project::{DiagnosticSummary, Project, ProjectPath},
1128 };
1129
1130 #[gpui::test]
1131 async fn test_share_project(mut cx_a: TestAppContext, mut cx_b: TestAppContext) {
1132 let (window_b, _) = cx_b.add_window(|_| EmptyView);
1133 let lang_registry = Arc::new(LanguageRegistry::new());
1134 let fs = Arc::new(FakeFs::new());
1135 cx_a.foreground().forbid_parking();
1136
1137 // Connect to a server as 2 clients.
1138 let mut server = TestServer::start(cx_a.foreground()).await;
1139 let client_a = server.create_client(&mut cx_a, "user_a").await;
1140 let client_b = server.create_client(&mut cx_b, "user_b").await;
1141
1142 // Share a project as client A
1143 fs.insert_tree(
1144 "/a",
1145 json!({
1146 ".zed.toml": r#"collaborators = ["user_b"]"#,
1147 "a.txt": "a-contents",
1148 "b.txt": "b-contents",
1149 }),
1150 )
1151 .await;
1152 let project_a = cx_a.update(|cx| {
1153 Project::local(
1154 client_a.clone(),
1155 client_a.user_store.clone(),
1156 lang_registry.clone(),
1157 fs.clone(),
1158 cx,
1159 )
1160 });
1161 let worktree_a = project_a
1162 .update(&mut cx_a, |p, cx| p.add_local_worktree("/a", cx))
1163 .await
1164 .unwrap();
1165 worktree_a
1166 .read_with(&cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
1167 .await;
1168 let project_id = project_a
1169 .update(&mut cx_a, |project, _| project.next_remote_id())
1170 .await;
1171 project_a
1172 .update(&mut cx_a, |project, cx| project.share(cx))
1173 .await
1174 .unwrap();
1175
1176 // Join that project as client B
1177 let project_b = Project::remote(
1178 project_id,
1179 client_b.clone(),
1180 client_b.user_store.clone(),
1181 lang_registry.clone(),
1182 fs.clone(),
1183 &mut cx_b.to_async(),
1184 )
1185 .await
1186 .unwrap();
1187 let worktree_b = project_b.update(&mut cx_b, |p, _| p.worktrees()[0].clone());
1188
1189 let replica_id_b = project_b.read_with(&cx_b, |project, _| {
1190 assert_eq!(
1191 project
1192 .collaborators()
1193 .get(&client_a.peer_id)
1194 .unwrap()
1195 .user
1196 .github_login,
1197 "user_a"
1198 );
1199 project.replica_id()
1200 });
1201 project_a
1202 .condition(&cx_a, |tree, _| {
1203 tree.collaborators()
1204 .get(&client_b.peer_id)
1205 .map_or(false, |collaborator| {
1206 collaborator.replica_id == replica_id_b
1207 && collaborator.user.github_login == "user_b"
1208 })
1209 })
1210 .await;
1211
1212 // Open the same file as client B and client A.
1213 let buffer_b = worktree_b
1214 .update(&mut cx_b, |worktree, cx| worktree.open_buffer("b.txt", cx))
1215 .await
1216 .unwrap()
1217 .0;
1218 let buffer_b = cx_b.add_model(|cx| MultiBuffer::singleton(buffer_b, cx));
1219 buffer_b.read_with(&cx_b, |buf, cx| {
1220 assert_eq!(buf.read(cx).text(), "b-contents")
1221 });
1222 worktree_a.read_with(&cx_a, |tree, cx| assert!(tree.has_open_buffer("b.txt", cx)));
1223 let buffer_a = worktree_a
1224 .update(&mut cx_a, |tree, cx| tree.open_buffer("b.txt", cx))
1225 .await
1226 .unwrap()
1227 .0;
1228
1229 let editor_b = cx_b.add_view(window_b, |cx| {
1230 Editor::for_buffer(buffer_b, Arc::new(|cx| EditorSettings::test(cx)), cx)
1231 });
1232 // TODO
1233 // // Create a selection set as client B and see that selection set as client A.
1234 // buffer_a
1235 // .condition(&cx_a, |buffer, _| buffer.selection_sets().count() == 1)
1236 // .await;
1237
1238 // Edit the buffer as client B and see that edit as client A.
1239 editor_b.update(&mut cx_b, |editor, cx| {
1240 editor.handle_input(&Input("ok, ".into()), cx)
1241 });
1242 buffer_a
1243 .condition(&cx_a, |buffer, _| buffer.text() == "ok, b-contents")
1244 .await;
1245
1246 // TODO
1247 // // Remove the selection set as client B, see those selections disappear as client A.
1248 cx_b.update(move |_| drop(editor_b));
1249 // buffer_a
1250 // .condition(&cx_a, |buffer, _| buffer.selection_sets().count() == 0)
1251 // .await;
1252
1253 // Close the buffer as client A, see that the buffer is closed.
1254 cx_a.update(move |_| drop(buffer_a));
1255 worktree_a
1256 .condition(&cx_a, |tree, cx| !tree.has_open_buffer("b.txt", cx))
1257 .await;
1258
1259 // Dropping the client B's project removes client B from client A's collaborators.
1260 cx_b.update(move |_| drop(project_b));
1261 project_a
1262 .condition(&cx_a, |project, _| project.collaborators().is_empty())
1263 .await;
1264 }
1265
1266 #[gpui::test]
1267 async fn test_unshare_project(mut cx_a: TestAppContext, mut cx_b: TestAppContext) {
1268 let lang_registry = Arc::new(LanguageRegistry::new());
1269 let fs = Arc::new(FakeFs::new());
1270 cx_a.foreground().forbid_parking();
1271
1272 // Connect to a server as 2 clients.
1273 let mut server = TestServer::start(cx_a.foreground()).await;
1274 let client_a = server.create_client(&mut cx_a, "user_a").await;
1275 let client_b = server.create_client(&mut cx_b, "user_b").await;
1276
1277 // Share a project as client A
1278 fs.insert_tree(
1279 "/a",
1280 json!({
1281 ".zed.toml": r#"collaborators = ["user_b"]"#,
1282 "a.txt": "a-contents",
1283 "b.txt": "b-contents",
1284 }),
1285 )
1286 .await;
1287 let project_a = cx_a.update(|cx| {
1288 Project::local(
1289 client_a.clone(),
1290 client_a.user_store.clone(),
1291 lang_registry.clone(),
1292 fs.clone(),
1293 cx,
1294 )
1295 });
1296 let worktree_a = project_a
1297 .update(&mut cx_a, |p, cx| p.add_local_worktree("/a", cx))
1298 .await
1299 .unwrap();
1300 worktree_a
1301 .read_with(&cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
1302 .await;
1303 let project_id = project_a
1304 .update(&mut cx_a, |project, _| project.next_remote_id())
1305 .await;
1306 project_a
1307 .update(&mut cx_a, |project, cx| project.share(cx))
1308 .await
1309 .unwrap();
1310 assert!(worktree_a.read_with(&cx_a, |tree, _| tree.as_local().unwrap().is_shared()));
1311
1312 // Join that project as client B
1313 let project_b = Project::remote(
1314 project_id,
1315 client_b.clone(),
1316 client_b.user_store.clone(),
1317 lang_registry.clone(),
1318 fs.clone(),
1319 &mut cx_b.to_async(),
1320 )
1321 .await
1322 .unwrap();
1323
1324 let worktree_b = project_b.read_with(&cx_b, |p, _| p.worktrees()[0].clone());
1325 worktree_b
1326 .update(&mut cx_b, |tree, cx| tree.open_buffer("a.txt", cx))
1327 .await
1328 .unwrap();
1329
1330 project_a
1331 .update(&mut cx_a, |project, cx| project.unshare(cx))
1332 .await
1333 .unwrap();
1334 project_b
1335 .condition(&mut cx_b, |project, _| project.is_read_only())
1336 .await;
1337 assert!(worktree_a.read_with(&cx_a, |tree, _| !tree.as_local().unwrap().is_shared()));
1338 drop(project_b);
1339
1340 // Share the project again and ensure guests can still join.
1341 project_a
1342 .update(&mut cx_a, |project, cx| project.share(cx))
1343 .await
1344 .unwrap();
1345 assert!(worktree_a.read_with(&cx_a, |tree, _| tree.as_local().unwrap().is_shared()));
1346 let project_c = Project::remote(
1347 project_id,
1348 client_b.clone(),
1349 client_b.user_store.clone(),
1350 lang_registry.clone(),
1351 fs.clone(),
1352 &mut cx_b.to_async(),
1353 )
1354 .await
1355 .unwrap();
1356 let worktree_c = project_c.read_with(&cx_b, |p, _| p.worktrees()[0].clone());
1357 worktree_c
1358 .update(&mut cx_b, |tree, cx| tree.open_buffer("a.txt", cx))
1359 .await
1360 .unwrap();
1361 }
1362
1363 #[gpui::test]
1364 async fn test_propagate_saves_and_fs_changes(
1365 mut cx_a: TestAppContext,
1366 mut cx_b: TestAppContext,
1367 mut cx_c: TestAppContext,
1368 ) {
1369 let lang_registry = Arc::new(LanguageRegistry::new());
1370 let fs = Arc::new(FakeFs::new());
1371 cx_a.foreground().forbid_parking();
1372
1373 // Connect to a server as 3 clients.
1374 let mut server = TestServer::start(cx_a.foreground()).await;
1375 let client_a = server.create_client(&mut cx_a, "user_a").await;
1376 let client_b = server.create_client(&mut cx_b, "user_b").await;
1377 let client_c = server.create_client(&mut cx_c, "user_c").await;
1378
1379 // Share a worktree as client A.
1380 fs.insert_tree(
1381 "/a",
1382 json!({
1383 ".zed.toml": r#"collaborators = ["user_b", "user_c"]"#,
1384 "file1": "",
1385 "file2": ""
1386 }),
1387 )
1388 .await;
1389 let project_a = cx_a.update(|cx| {
1390 Project::local(
1391 client_a.clone(),
1392 client_a.user_store.clone(),
1393 lang_registry.clone(),
1394 fs.clone(),
1395 cx,
1396 )
1397 });
1398 let worktree_a = project_a
1399 .update(&mut cx_a, |p, cx| p.add_local_worktree("/a", cx))
1400 .await
1401 .unwrap();
1402 worktree_a
1403 .read_with(&cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
1404 .await;
1405 let project_id = project_a
1406 .update(&mut cx_a, |project, _| project.next_remote_id())
1407 .await;
1408 project_a
1409 .update(&mut cx_a, |project, cx| project.share(cx))
1410 .await
1411 .unwrap();
1412
1413 // Join that worktree as clients B and C.
1414 let project_b = Project::remote(
1415 project_id,
1416 client_b.clone(),
1417 client_b.user_store.clone(),
1418 lang_registry.clone(),
1419 fs.clone(),
1420 &mut cx_b.to_async(),
1421 )
1422 .await
1423 .unwrap();
1424 let project_c = Project::remote(
1425 project_id,
1426 client_c.clone(),
1427 client_c.user_store.clone(),
1428 lang_registry.clone(),
1429 fs.clone(),
1430 &mut cx_c.to_async(),
1431 )
1432 .await
1433 .unwrap();
1434
1435 // Open and edit a buffer as both guests B and C.
1436 let worktree_b = project_b.read_with(&cx_b, |p, _| p.worktrees()[0].clone());
1437 let worktree_c = project_c.read_with(&cx_c, |p, _| p.worktrees()[0].clone());
1438 let buffer_b = worktree_b
1439 .update(&mut cx_b, |tree, cx| tree.open_buffer("file1", cx))
1440 .await
1441 .unwrap()
1442 .0;
1443 let buffer_c = worktree_c
1444 .update(&mut cx_c, |tree, cx| tree.open_buffer("file1", cx))
1445 .await
1446 .unwrap()
1447 .0;
1448 buffer_b.update(&mut cx_b, |buf, cx| buf.edit([0..0], "i-am-b, ", cx));
1449 buffer_c.update(&mut cx_c, |buf, cx| buf.edit([0..0], "i-am-c, ", cx));
1450
1451 // Open and edit that buffer as the host.
1452 let buffer_a = worktree_a
1453 .update(&mut cx_a, |tree, cx| tree.open_buffer("file1", cx))
1454 .await
1455 .unwrap()
1456 .0;
1457
1458 buffer_a
1459 .condition(&mut cx_a, |buf, _| buf.text() == "i-am-c, i-am-b, ")
1460 .await;
1461 buffer_a.update(&mut cx_a, |buf, cx| {
1462 buf.edit([buf.len()..buf.len()], "i-am-a", cx)
1463 });
1464
1465 // Wait for edits to propagate
1466 buffer_a
1467 .condition(&mut cx_a, |buf, _| buf.text() == "i-am-c, i-am-b, i-am-a")
1468 .await;
1469 buffer_b
1470 .condition(&mut cx_b, |buf, _| buf.text() == "i-am-c, i-am-b, i-am-a")
1471 .await;
1472 buffer_c
1473 .condition(&mut cx_c, |buf, _| buf.text() == "i-am-c, i-am-b, i-am-a")
1474 .await;
1475
1476 // Edit the buffer as the host and concurrently save as guest B.
1477 let save_b = buffer_b.update(&mut cx_b, |buf, cx| buf.save(cx));
1478 buffer_a.update(&mut cx_a, |buf, cx| buf.edit([0..0], "hi-a, ", cx));
1479 save_b.await.unwrap();
1480 assert_eq!(
1481 fs.load("/a/file1".as_ref()).await.unwrap(),
1482 "hi-a, i-am-c, i-am-b, i-am-a"
1483 );
1484 buffer_a.read_with(&cx_a, |buf, _| assert!(!buf.is_dirty()));
1485 buffer_b.read_with(&cx_b, |buf, _| assert!(!buf.is_dirty()));
1486 buffer_c.condition(&cx_c, |buf, _| !buf.is_dirty()).await;
1487
1488 // Make changes on host's file system, see those changes on the guests.
1489 fs.rename("/a/file2".as_ref(), "/a/file3".as_ref())
1490 .await
1491 .unwrap();
1492 fs.insert_file(Path::new("/a/file4"), "4".into())
1493 .await
1494 .unwrap();
1495
1496 worktree_b
1497 .condition(&cx_b, |tree, _| tree.file_count() == 4)
1498 .await;
1499 worktree_c
1500 .condition(&cx_c, |tree, _| tree.file_count() == 4)
1501 .await;
1502 worktree_b.read_with(&cx_b, |tree, _| {
1503 assert_eq!(
1504 tree.paths()
1505 .map(|p| p.to_string_lossy())
1506 .collect::<Vec<_>>(),
1507 &[".zed.toml", "file1", "file3", "file4"]
1508 )
1509 });
1510 worktree_c.read_with(&cx_c, |tree, _| {
1511 assert_eq!(
1512 tree.paths()
1513 .map(|p| p.to_string_lossy())
1514 .collect::<Vec<_>>(),
1515 &[".zed.toml", "file1", "file3", "file4"]
1516 )
1517 });
1518 }
1519
1520 #[gpui::test]
1521 async fn test_buffer_conflict_after_save(mut cx_a: TestAppContext, mut cx_b: TestAppContext) {
1522 cx_a.foreground().forbid_parking();
1523 let lang_registry = Arc::new(LanguageRegistry::new());
1524 let fs = Arc::new(FakeFs::new());
1525
1526 // Connect to a server as 2 clients.
1527 let mut server = TestServer::start(cx_a.foreground()).await;
1528 let client_a = server.create_client(&mut cx_a, "user_a").await;
1529 let client_b = server.create_client(&mut cx_b, "user_b").await;
1530
1531 // Share a project as client A
1532 fs.insert_tree(
1533 "/dir",
1534 json!({
1535 ".zed.toml": r#"collaborators = ["user_b", "user_c"]"#,
1536 "a.txt": "a-contents",
1537 }),
1538 )
1539 .await;
1540
1541 let project_a = cx_a.update(|cx| {
1542 Project::local(
1543 client_a.clone(),
1544 client_a.user_store.clone(),
1545 lang_registry.clone(),
1546 fs.clone(),
1547 cx,
1548 )
1549 });
1550 let worktree_a = project_a
1551 .update(&mut cx_a, |p, cx| p.add_local_worktree("/dir", cx))
1552 .await
1553 .unwrap();
1554 worktree_a
1555 .read_with(&cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
1556 .await;
1557 let project_id = project_a
1558 .update(&mut cx_a, |project, _| project.next_remote_id())
1559 .await;
1560 project_a
1561 .update(&mut cx_a, |project, cx| project.share(cx))
1562 .await
1563 .unwrap();
1564
1565 // Join that project as client B
1566 let project_b = Project::remote(
1567 project_id,
1568 client_b.clone(),
1569 client_b.user_store.clone(),
1570 lang_registry.clone(),
1571 fs.clone(),
1572 &mut cx_b.to_async(),
1573 )
1574 .await
1575 .unwrap();
1576 let worktree_b = project_b.update(&mut cx_b, |p, _| p.worktrees()[0].clone());
1577
1578 // Open a buffer as client B
1579 let buffer_b = worktree_b
1580 .update(&mut cx_b, |worktree, cx| worktree.open_buffer("a.txt", cx))
1581 .await
1582 .unwrap()
1583 .0;
1584 let mtime = buffer_b.read_with(&cx_b, |buf, _| buf.file().unwrap().mtime());
1585
1586 buffer_b.update(&mut cx_b, |buf, cx| buf.edit([0..0], "world ", cx));
1587 buffer_b.read_with(&cx_b, |buf, _| {
1588 assert!(buf.is_dirty());
1589 assert!(!buf.has_conflict());
1590 });
1591
1592 buffer_b
1593 .update(&mut cx_b, |buf, cx| buf.save(cx))
1594 .await
1595 .unwrap();
1596 worktree_b
1597 .condition(&cx_b, |_, cx| {
1598 buffer_b.read(cx).file().unwrap().mtime() != mtime
1599 })
1600 .await;
1601 buffer_b.read_with(&cx_b, |buf, _| {
1602 assert!(!buf.is_dirty());
1603 assert!(!buf.has_conflict());
1604 });
1605
1606 buffer_b.update(&mut cx_b, |buf, cx| buf.edit([0..0], "hello ", cx));
1607 buffer_b.read_with(&cx_b, |buf, _| {
1608 assert!(buf.is_dirty());
1609 assert!(!buf.has_conflict());
1610 });
1611 }
1612
1613 #[gpui::test]
1614 async fn test_editing_while_guest_opens_buffer(
1615 mut cx_a: TestAppContext,
1616 mut cx_b: TestAppContext,
1617 ) {
1618 cx_a.foreground().forbid_parking();
1619 let lang_registry = Arc::new(LanguageRegistry::new());
1620 let fs = Arc::new(FakeFs::new());
1621
1622 // Connect to a server as 2 clients.
1623 let mut server = TestServer::start(cx_a.foreground()).await;
1624 let client_a = server.create_client(&mut cx_a, "user_a").await;
1625 let client_b = server.create_client(&mut cx_b, "user_b").await;
1626
1627 // Share a project as client A
1628 fs.insert_tree(
1629 "/dir",
1630 json!({
1631 ".zed.toml": r#"collaborators = ["user_b"]"#,
1632 "a.txt": "a-contents",
1633 }),
1634 )
1635 .await;
1636 let project_a = cx_a.update(|cx| {
1637 Project::local(
1638 client_a.clone(),
1639 client_a.user_store.clone(),
1640 lang_registry.clone(),
1641 fs.clone(),
1642 cx,
1643 )
1644 });
1645 let worktree_a = project_a
1646 .update(&mut cx_a, |p, cx| p.add_local_worktree("/dir", cx))
1647 .await
1648 .unwrap();
1649 worktree_a
1650 .read_with(&cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
1651 .await;
1652 let project_id = project_a
1653 .update(&mut cx_a, |project, _| project.next_remote_id())
1654 .await;
1655 project_a
1656 .update(&mut cx_a, |project, cx| project.share(cx))
1657 .await
1658 .unwrap();
1659
1660 // Join that project as client B
1661 let project_b = Project::remote(
1662 project_id,
1663 client_b.clone(),
1664 client_b.user_store.clone(),
1665 lang_registry.clone(),
1666 fs.clone(),
1667 &mut cx_b.to_async(),
1668 )
1669 .await
1670 .unwrap();
1671 let worktree_b = project_b.update(&mut cx_b, |p, _| p.worktrees()[0].clone());
1672
1673 // Open a buffer as client A
1674 let buffer_a = worktree_a
1675 .update(&mut cx_a, |tree, cx| tree.open_buffer("a.txt", cx))
1676 .await
1677 .unwrap()
1678 .0;
1679
1680 // Start opening the same buffer as client B
1681 let buffer_b = cx_b
1682 .background()
1683 .spawn(worktree_b.update(&mut cx_b, |worktree, cx| worktree.open_buffer("a.txt", cx)));
1684 task::yield_now().await;
1685
1686 // Edit the buffer as client A while client B is still opening it.
1687 buffer_a.update(&mut cx_a, |buf, cx| buf.edit([0..0], "z", cx));
1688
1689 let text = buffer_a.read_with(&cx_a, |buf, _| buf.text());
1690 let buffer_b = buffer_b.await.unwrap().0;
1691 buffer_b.condition(&cx_b, |buf, _| buf.text() == text).await;
1692 }
1693
1694 #[gpui::test]
1695 async fn test_leaving_worktree_while_opening_buffer(
1696 mut cx_a: TestAppContext,
1697 mut cx_b: TestAppContext,
1698 ) {
1699 cx_a.foreground().forbid_parking();
1700 let lang_registry = Arc::new(LanguageRegistry::new());
1701 let fs = Arc::new(FakeFs::new());
1702
1703 // Connect to a server as 2 clients.
1704 let mut server = TestServer::start(cx_a.foreground()).await;
1705 let client_a = server.create_client(&mut cx_a, "user_a").await;
1706 let client_b = server.create_client(&mut cx_b, "user_b").await;
1707
1708 // Share a project as client A
1709 fs.insert_tree(
1710 "/dir",
1711 json!({
1712 ".zed.toml": r#"collaborators = ["user_b"]"#,
1713 "a.txt": "a-contents",
1714 }),
1715 )
1716 .await;
1717 let project_a = cx_a.update(|cx| {
1718 Project::local(
1719 client_a.clone(),
1720 client_a.user_store.clone(),
1721 lang_registry.clone(),
1722 fs.clone(),
1723 cx,
1724 )
1725 });
1726 let worktree_a = project_a
1727 .update(&mut cx_a, |p, cx| p.add_local_worktree("/dir", cx))
1728 .await
1729 .unwrap();
1730 worktree_a
1731 .read_with(&cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
1732 .await;
1733 let project_id = project_a
1734 .update(&mut cx_a, |project, _| project.next_remote_id())
1735 .await;
1736 project_a
1737 .update(&mut cx_a, |project, cx| project.share(cx))
1738 .await
1739 .unwrap();
1740
1741 // Join that project as client B
1742 let project_b = Project::remote(
1743 project_id,
1744 client_b.clone(),
1745 client_b.user_store.clone(),
1746 lang_registry.clone(),
1747 fs.clone(),
1748 &mut cx_b.to_async(),
1749 )
1750 .await
1751 .unwrap();
1752 let worktree_b = project_b.update(&mut cx_b, |p, _| p.worktrees()[0].clone());
1753
1754 // See that a guest has joined as client A.
1755 project_a
1756 .condition(&cx_a, |p, _| p.collaborators().len() == 1)
1757 .await;
1758
1759 // Begin opening a buffer as client B, but leave the project before the open completes.
1760 let buffer_b = cx_b
1761 .background()
1762 .spawn(worktree_b.update(&mut cx_b, |worktree, cx| worktree.open_buffer("a.txt", cx)));
1763 cx_b.update(|_| drop(project_b));
1764 drop(buffer_b);
1765
1766 // See that the guest has left.
1767 project_a
1768 .condition(&cx_a, |p, _| p.collaborators().len() == 0)
1769 .await;
1770 }
1771
1772 #[gpui::test]
1773 async fn test_peer_disconnection(mut cx_a: TestAppContext, mut cx_b: TestAppContext) {
1774 cx_a.foreground().forbid_parking();
1775 let lang_registry = Arc::new(LanguageRegistry::new());
1776 let fs = Arc::new(FakeFs::new());
1777
1778 // Connect to a server as 2 clients.
1779 let mut server = TestServer::start(cx_a.foreground()).await;
1780 let client_a = server.create_client(&mut cx_a, "user_a").await;
1781 let client_b = server.create_client(&mut cx_b, "user_b").await;
1782
1783 // Share a project as client A
1784 fs.insert_tree(
1785 "/a",
1786 json!({
1787 ".zed.toml": r#"collaborators = ["user_b"]"#,
1788 "a.txt": "a-contents",
1789 "b.txt": "b-contents",
1790 }),
1791 )
1792 .await;
1793 let project_a = cx_a.update(|cx| {
1794 Project::local(
1795 client_a.clone(),
1796 client_a.user_store.clone(),
1797 lang_registry.clone(),
1798 fs.clone(),
1799 cx,
1800 )
1801 });
1802 let worktree_a = project_a
1803 .update(&mut cx_a, |p, cx| p.add_local_worktree("/a", cx))
1804 .await
1805 .unwrap();
1806 worktree_a
1807 .read_with(&cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
1808 .await;
1809 let project_id = project_a
1810 .update(&mut cx_a, |project, _| project.next_remote_id())
1811 .await;
1812 project_a
1813 .update(&mut cx_a, |project, cx| project.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
1829 // See that a guest has joined as client A.
1830 project_a
1831 .condition(&cx_a, |p, _| p.collaborators().len() == 1)
1832 .await;
1833
1834 // Drop client B's connection and ensure client A observes client B leaving the worktree.
1835 client_b.disconnect(&cx_b.to_async()).unwrap();
1836 project_a
1837 .condition(&cx_a, |p, _| p.collaborators().len() == 0)
1838 .await;
1839 }
1840
1841 #[gpui::test]
1842 async fn test_collaborating_with_diagnostics(
1843 mut cx_a: TestAppContext,
1844 mut cx_b: TestAppContext,
1845 ) {
1846 cx_a.foreground().forbid_parking();
1847 let mut lang_registry = Arc::new(LanguageRegistry::new());
1848 let fs = Arc::new(FakeFs::new());
1849
1850 // Set up a fake language server.
1851 let (language_server_config, mut fake_language_server) =
1852 LanguageServerConfig::fake(cx_a.background()).await;
1853 Arc::get_mut(&mut lang_registry)
1854 .unwrap()
1855 .add(Arc::new(Language::new(
1856 LanguageConfig {
1857 name: "Rust".to_string(),
1858 path_suffixes: vec!["rs".to_string()],
1859 language_server: Some(language_server_config),
1860 ..Default::default()
1861 },
1862 Some(tree_sitter_rust::language()),
1863 )));
1864
1865 // Connect to a server as 2 clients.
1866 let mut server = TestServer::start(cx_a.foreground()).await;
1867 let client_a = server.create_client(&mut cx_a, "user_a").await;
1868 let client_b = server.create_client(&mut cx_b, "user_b").await;
1869
1870 // Share a project as client A
1871 fs.insert_tree(
1872 "/a",
1873 json!({
1874 ".zed.toml": r#"collaborators = ["user_b"]"#,
1875 "a.rs": "let one = two",
1876 "other.rs": "",
1877 }),
1878 )
1879 .await;
1880 let project_a = cx_a.update(|cx| {
1881 Project::local(
1882 client_a.clone(),
1883 client_a.user_store.clone(),
1884 lang_registry.clone(),
1885 fs.clone(),
1886 cx,
1887 )
1888 });
1889 let worktree_a = project_a
1890 .update(&mut cx_a, |p, cx| p.add_local_worktree("/a", cx))
1891 .await
1892 .unwrap();
1893 worktree_a
1894 .read_with(&cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
1895 .await;
1896 let project_id = project_a
1897 .update(&mut cx_a, |project, _| project.next_remote_id())
1898 .await;
1899 let worktree_id = worktree_a.read_with(&cx_a, |tree, _| tree.id());
1900 project_a
1901 .update(&mut cx_a, |project, cx| project.share(cx))
1902 .await
1903 .unwrap();
1904
1905 // Cause the language server to start.
1906 let _ = cx_a
1907 .background()
1908 .spawn(project_a.update(&mut cx_a, |project, cx| {
1909 project.open_buffer(
1910 ProjectPath {
1911 worktree_id,
1912 path: Path::new("other.rs").into(),
1913 },
1914 cx,
1915 )
1916 }))
1917 .await
1918 .unwrap();
1919
1920 // Simulate a language server reporting errors for a file.
1921 fake_language_server
1922 .notify::<lsp::notification::PublishDiagnostics>(lsp::PublishDiagnosticsParams {
1923 uri: lsp::Url::from_file_path("/a/a.rs").unwrap(),
1924 version: None,
1925 diagnostics: vec![lsp::Diagnostic {
1926 severity: Some(lsp::DiagnosticSeverity::ERROR),
1927 range: lsp::Range::new(lsp::Position::new(0, 4), lsp::Position::new(0, 7)),
1928 message: "message 1".to_string(),
1929 ..Default::default()
1930 }],
1931 })
1932 .await;
1933
1934 // Wait for server to see the diagnostics update.
1935 server
1936 .condition(|store| {
1937 let worktree = store
1938 .project(project_id)
1939 .unwrap()
1940 .worktrees
1941 .get(&worktree_id.to_proto())
1942 .unwrap();
1943
1944 !worktree
1945 .share
1946 .as_ref()
1947 .unwrap()
1948 .diagnostic_summaries
1949 .is_empty()
1950 })
1951 .await;
1952
1953 // Join the worktree as client B.
1954 let project_b = Project::remote(
1955 project_id,
1956 client_b.clone(),
1957 client_b.user_store.clone(),
1958 lang_registry.clone(),
1959 fs.clone(),
1960 &mut cx_b.to_async(),
1961 )
1962 .await
1963 .unwrap();
1964
1965 project_b.read_with(&cx_b, |project, cx| {
1966 assert_eq!(
1967 project.diagnostic_summaries(cx).collect::<Vec<_>>(),
1968 &[(
1969 ProjectPath {
1970 worktree_id,
1971 path: Arc::from(Path::new("a.rs")),
1972 },
1973 DiagnosticSummary {
1974 error_count: 1,
1975 warning_count: 0,
1976 ..Default::default()
1977 },
1978 )]
1979 )
1980 });
1981
1982 // Simulate a language server reporting more errors for a file.
1983 fake_language_server
1984 .notify::<lsp::notification::PublishDiagnostics>(lsp::PublishDiagnosticsParams {
1985 uri: lsp::Url::from_file_path("/a/a.rs").unwrap(),
1986 version: None,
1987 diagnostics: vec![
1988 lsp::Diagnostic {
1989 severity: Some(lsp::DiagnosticSeverity::ERROR),
1990 range: lsp::Range::new(lsp::Position::new(0, 4), lsp::Position::new(0, 7)),
1991 message: "message 1".to_string(),
1992 ..Default::default()
1993 },
1994 lsp::Diagnostic {
1995 severity: Some(lsp::DiagnosticSeverity::WARNING),
1996 range: lsp::Range::new(
1997 lsp::Position::new(0, 10),
1998 lsp::Position::new(0, 13),
1999 ),
2000 message: "message 2".to_string(),
2001 ..Default::default()
2002 },
2003 ],
2004 })
2005 .await;
2006
2007 // Client b gets the updated summaries
2008 project_b
2009 .condition(&cx_b, |project, cx| {
2010 project.diagnostic_summaries(cx).collect::<Vec<_>>()
2011 == &[(
2012 ProjectPath {
2013 worktree_id,
2014 path: Arc::from(Path::new("a.rs")),
2015 },
2016 DiagnosticSummary {
2017 error_count: 1,
2018 warning_count: 1,
2019 ..Default::default()
2020 },
2021 )]
2022 })
2023 .await;
2024
2025 // Open the file with the errors on client B. They should be present.
2026 let worktree_b = project_b.update(&mut cx_b, |p, _| p.worktrees()[0].clone());
2027 let buffer_b = cx_b
2028 .background()
2029 .spawn(worktree_b.update(&mut cx_b, |worktree, cx| worktree.open_buffer("a.rs", cx)))
2030 .await
2031 .unwrap()
2032 .0;
2033
2034 buffer_b.read_with(&cx_b, |buffer, _| {
2035 assert_eq!(
2036 buffer
2037 .snapshot()
2038 .diagnostics_in_range::<_, Point>(0..buffer.len())
2039 .map(|entry| entry)
2040 .collect::<Vec<_>>(),
2041 &[
2042 DiagnosticEntry {
2043 range: Point::new(0, 4)..Point::new(0, 7),
2044 diagnostic: Diagnostic {
2045 group_id: 0,
2046 message: "message 1".to_string(),
2047 severity: lsp::DiagnosticSeverity::ERROR,
2048 is_primary: true,
2049 ..Default::default()
2050 }
2051 },
2052 DiagnosticEntry {
2053 range: Point::new(0, 10)..Point::new(0, 13),
2054 diagnostic: Diagnostic {
2055 group_id: 1,
2056 severity: lsp::DiagnosticSeverity::WARNING,
2057 message: "message 2".to_string(),
2058 is_primary: true,
2059 ..Default::default()
2060 }
2061 }
2062 ]
2063 );
2064 });
2065 }
2066
2067 #[gpui::test]
2068 async fn test_formatting_buffer(mut cx_a: TestAppContext, mut cx_b: TestAppContext) {
2069 cx_a.foreground().forbid_parking();
2070 let mut lang_registry = Arc::new(LanguageRegistry::new());
2071 let fs = Arc::new(FakeFs::new());
2072
2073 // Set up a fake language server.
2074 let (language_server_config, mut fake_language_server) =
2075 LanguageServerConfig::fake(cx_a.background()).await;
2076 Arc::get_mut(&mut lang_registry)
2077 .unwrap()
2078 .add(Arc::new(Language::new(
2079 LanguageConfig {
2080 name: "Rust".to_string(),
2081 path_suffixes: vec!["rs".to_string()],
2082 language_server: Some(language_server_config),
2083 ..Default::default()
2084 },
2085 Some(tree_sitter_rust::language()),
2086 )));
2087
2088 // Connect to a server as 2 clients.
2089 let mut server = TestServer::start(cx_a.foreground()).await;
2090 let client_a = server.create_client(&mut cx_a, "user_a").await;
2091 let client_b = server.create_client(&mut cx_b, "user_b").await;
2092
2093 // Share a project as client A
2094 fs.insert_tree(
2095 "/a",
2096 json!({
2097 ".zed.toml": r#"collaborators = ["user_b"]"#,
2098 "a.rs": "let one = two",
2099 }),
2100 )
2101 .await;
2102 let project_a = cx_a.update(|cx| {
2103 Project::local(
2104 client_a.clone(),
2105 client_a.user_store.clone(),
2106 lang_registry.clone(),
2107 fs.clone(),
2108 cx,
2109 )
2110 });
2111 let worktree_a = project_a
2112 .update(&mut cx_a, |p, cx| p.add_local_worktree("/a", cx))
2113 .await
2114 .unwrap();
2115 worktree_a
2116 .read_with(&cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
2117 .await;
2118 let project_id = project_a
2119 .update(&mut cx_a, |project, _| project.next_remote_id())
2120 .await;
2121 project_a
2122 .update(&mut cx_a, |project, cx| project.share(cx))
2123 .await
2124 .unwrap();
2125
2126 // Join the worktree as client B.
2127 let project_b = Project::remote(
2128 project_id,
2129 client_b.clone(),
2130 client_b.user_store.clone(),
2131 lang_registry.clone(),
2132 fs.clone(),
2133 &mut cx_b.to_async(),
2134 )
2135 .await
2136 .unwrap();
2137
2138 // Open the file to be formatted on client B.
2139 let worktree_b = project_b.update(&mut cx_b, |p, _| p.worktrees()[0].clone());
2140 let buffer_b = cx_b
2141 .background()
2142 .spawn(worktree_b.update(&mut cx_b, |worktree, cx| worktree.open_buffer("a.rs", cx)))
2143 .await
2144 .unwrap()
2145 .0;
2146
2147 let format = buffer_b.update(&mut cx_b, |buffer, cx| buffer.format(cx));
2148 let (request_id, _) = fake_language_server
2149 .receive_request::<lsp::request::Formatting>()
2150 .await;
2151 fake_language_server
2152 .respond(
2153 request_id,
2154 Some(vec![
2155 lsp::TextEdit {
2156 range: lsp::Range::new(lsp::Position::new(0, 4), lsp::Position::new(0, 4)),
2157 new_text: "h".to_string(),
2158 },
2159 lsp::TextEdit {
2160 range: lsp::Range::new(lsp::Position::new(0, 7), lsp::Position::new(0, 7)),
2161 new_text: "y".to_string(),
2162 },
2163 ]),
2164 )
2165 .await;
2166 format.await.unwrap();
2167 assert_eq!(
2168 buffer_b.read_with(&cx_b, |buffer, _| buffer.text()),
2169 "let honey = two"
2170 );
2171 }
2172
2173 #[gpui::test]
2174 async fn test_basic_chat(mut cx_a: TestAppContext, mut cx_b: TestAppContext) {
2175 cx_a.foreground().forbid_parking();
2176
2177 // Connect to a server as 2 clients.
2178 let mut server = TestServer::start(cx_a.foreground()).await;
2179 let client_a = server.create_client(&mut cx_a, "user_a").await;
2180 let client_b = server.create_client(&mut cx_b, "user_b").await;
2181
2182 // Create an org that includes these 2 users.
2183 let db = &server.app_state.db;
2184 let org_id = db.create_org("Test Org", "test-org").await.unwrap();
2185 db.add_org_member(org_id, client_a.current_user_id(&cx_a), false)
2186 .await
2187 .unwrap();
2188 db.add_org_member(org_id, client_b.current_user_id(&cx_b), false)
2189 .await
2190 .unwrap();
2191
2192 // Create a channel that includes all the users.
2193 let channel_id = db.create_org_channel(org_id, "test-channel").await.unwrap();
2194 db.add_channel_member(channel_id, client_a.current_user_id(&cx_a), false)
2195 .await
2196 .unwrap();
2197 db.add_channel_member(channel_id, client_b.current_user_id(&cx_b), false)
2198 .await
2199 .unwrap();
2200 db.create_channel_message(
2201 channel_id,
2202 client_b.current_user_id(&cx_b),
2203 "hello A, it's B.",
2204 OffsetDateTime::now_utc(),
2205 1,
2206 )
2207 .await
2208 .unwrap();
2209
2210 let channels_a = cx_a
2211 .add_model(|cx| ChannelList::new(client_a.user_store.clone(), client_a.clone(), cx));
2212 channels_a
2213 .condition(&mut cx_a, |list, _| list.available_channels().is_some())
2214 .await;
2215 channels_a.read_with(&cx_a, |list, _| {
2216 assert_eq!(
2217 list.available_channels().unwrap(),
2218 &[ChannelDetails {
2219 id: channel_id.to_proto(),
2220 name: "test-channel".to_string()
2221 }]
2222 )
2223 });
2224 let channel_a = channels_a.update(&mut cx_a, |this, cx| {
2225 this.get_channel(channel_id.to_proto(), cx).unwrap()
2226 });
2227 channel_a.read_with(&cx_a, |channel, _| assert!(channel.messages().is_empty()));
2228 channel_a
2229 .condition(&cx_a, |channel, _| {
2230 channel_messages(channel)
2231 == [("user_b".to_string(), "hello A, it's B.".to_string(), false)]
2232 })
2233 .await;
2234
2235 let channels_b = cx_b
2236 .add_model(|cx| ChannelList::new(client_b.user_store.clone(), client_b.clone(), cx));
2237 channels_b
2238 .condition(&mut cx_b, |list, _| list.available_channels().is_some())
2239 .await;
2240 channels_b.read_with(&cx_b, |list, _| {
2241 assert_eq!(
2242 list.available_channels().unwrap(),
2243 &[ChannelDetails {
2244 id: channel_id.to_proto(),
2245 name: "test-channel".to_string()
2246 }]
2247 )
2248 });
2249
2250 let channel_b = channels_b.update(&mut cx_b, |this, cx| {
2251 this.get_channel(channel_id.to_proto(), cx).unwrap()
2252 });
2253 channel_b.read_with(&cx_b, |channel, _| assert!(channel.messages().is_empty()));
2254 channel_b
2255 .condition(&cx_b, |channel, _| {
2256 channel_messages(channel)
2257 == [("user_b".to_string(), "hello A, it's B.".to_string(), false)]
2258 })
2259 .await;
2260
2261 channel_a
2262 .update(&mut cx_a, |channel, cx| {
2263 channel
2264 .send_message("oh, hi B.".to_string(), cx)
2265 .unwrap()
2266 .detach();
2267 let task = channel.send_message("sup".to_string(), cx).unwrap();
2268 assert_eq!(
2269 channel_messages(channel),
2270 &[
2271 ("user_b".to_string(), "hello A, it's B.".to_string(), false),
2272 ("user_a".to_string(), "oh, hi B.".to_string(), true),
2273 ("user_a".to_string(), "sup".to_string(), true)
2274 ]
2275 );
2276 task
2277 })
2278 .await
2279 .unwrap();
2280
2281 channel_b
2282 .condition(&cx_b, |channel, _| {
2283 channel_messages(channel)
2284 == [
2285 ("user_b".to_string(), "hello A, it's B.".to_string(), false),
2286 ("user_a".to_string(), "oh, hi B.".to_string(), false),
2287 ("user_a".to_string(), "sup".to_string(), false),
2288 ]
2289 })
2290 .await;
2291
2292 assert_eq!(
2293 server
2294 .state()
2295 .await
2296 .channel(channel_id)
2297 .unwrap()
2298 .connection_ids
2299 .len(),
2300 2
2301 );
2302 cx_b.update(|_| drop(channel_b));
2303 server
2304 .condition(|state| state.channel(channel_id).unwrap().connection_ids.len() == 1)
2305 .await;
2306
2307 cx_a.update(|_| drop(channel_a));
2308 server
2309 .condition(|state| state.channel(channel_id).is_none())
2310 .await;
2311 }
2312
2313 #[gpui::test]
2314 async fn test_chat_message_validation(mut cx_a: TestAppContext) {
2315 cx_a.foreground().forbid_parking();
2316
2317 let mut server = TestServer::start(cx_a.foreground()).await;
2318 let client_a = server.create_client(&mut cx_a, "user_a").await;
2319
2320 let db = &server.app_state.db;
2321 let org_id = db.create_org("Test Org", "test-org").await.unwrap();
2322 let channel_id = db.create_org_channel(org_id, "test-channel").await.unwrap();
2323 db.add_org_member(org_id, client_a.current_user_id(&cx_a), false)
2324 .await
2325 .unwrap();
2326 db.add_channel_member(channel_id, client_a.current_user_id(&cx_a), false)
2327 .await
2328 .unwrap();
2329
2330 let channels_a = cx_a
2331 .add_model(|cx| ChannelList::new(client_a.user_store.clone(), client_a.clone(), cx));
2332 channels_a
2333 .condition(&mut cx_a, |list, _| list.available_channels().is_some())
2334 .await;
2335 let channel_a = channels_a.update(&mut cx_a, |this, cx| {
2336 this.get_channel(channel_id.to_proto(), cx).unwrap()
2337 });
2338
2339 // Messages aren't allowed to be too long.
2340 channel_a
2341 .update(&mut cx_a, |channel, cx| {
2342 let long_body = "this is long.\n".repeat(1024);
2343 channel.send_message(long_body, cx).unwrap()
2344 })
2345 .await
2346 .unwrap_err();
2347
2348 // Messages aren't allowed to be blank.
2349 channel_a.update(&mut cx_a, |channel, cx| {
2350 channel.send_message(String::new(), cx).unwrap_err()
2351 });
2352
2353 // Leading and trailing whitespace are trimmed.
2354 channel_a
2355 .update(&mut cx_a, |channel, cx| {
2356 channel
2357 .send_message("\n surrounded by whitespace \n".to_string(), cx)
2358 .unwrap()
2359 })
2360 .await
2361 .unwrap();
2362 assert_eq!(
2363 db.get_channel_messages(channel_id, 10, None)
2364 .await
2365 .unwrap()
2366 .iter()
2367 .map(|m| &m.body)
2368 .collect::<Vec<_>>(),
2369 &["surrounded by whitespace"]
2370 );
2371 }
2372
2373 #[gpui::test]
2374 async fn test_chat_reconnection(mut cx_a: TestAppContext, mut cx_b: TestAppContext) {
2375 cx_a.foreground().forbid_parking();
2376
2377 // Connect to a server as 2 clients.
2378 let mut server = TestServer::start(cx_a.foreground()).await;
2379 let client_a = server.create_client(&mut cx_a, "user_a").await;
2380 let client_b = server.create_client(&mut cx_b, "user_b").await;
2381 let mut status_b = client_b.status();
2382
2383 // Create an org that includes these 2 users.
2384 let db = &server.app_state.db;
2385 let org_id = db.create_org("Test Org", "test-org").await.unwrap();
2386 db.add_org_member(org_id, client_a.current_user_id(&cx_a), false)
2387 .await
2388 .unwrap();
2389 db.add_org_member(org_id, client_b.current_user_id(&cx_b), false)
2390 .await
2391 .unwrap();
2392
2393 // Create a channel that includes all the users.
2394 let channel_id = db.create_org_channel(org_id, "test-channel").await.unwrap();
2395 db.add_channel_member(channel_id, client_a.current_user_id(&cx_a), false)
2396 .await
2397 .unwrap();
2398 db.add_channel_member(channel_id, client_b.current_user_id(&cx_b), false)
2399 .await
2400 .unwrap();
2401 db.create_channel_message(
2402 channel_id,
2403 client_b.current_user_id(&cx_b),
2404 "hello A, it's B.",
2405 OffsetDateTime::now_utc(),
2406 2,
2407 )
2408 .await
2409 .unwrap();
2410
2411 let channels_a = cx_a
2412 .add_model(|cx| ChannelList::new(client_a.user_store.clone(), client_a.clone(), cx));
2413 channels_a
2414 .condition(&mut cx_a, |list, _| list.available_channels().is_some())
2415 .await;
2416
2417 channels_a.read_with(&cx_a, |list, _| {
2418 assert_eq!(
2419 list.available_channels().unwrap(),
2420 &[ChannelDetails {
2421 id: channel_id.to_proto(),
2422 name: "test-channel".to_string()
2423 }]
2424 )
2425 });
2426 let channel_a = channels_a.update(&mut cx_a, |this, cx| {
2427 this.get_channel(channel_id.to_proto(), cx).unwrap()
2428 });
2429 channel_a.read_with(&cx_a, |channel, _| assert!(channel.messages().is_empty()));
2430 channel_a
2431 .condition(&cx_a, |channel, _| {
2432 channel_messages(channel)
2433 == [("user_b".to_string(), "hello A, it's B.".to_string(), false)]
2434 })
2435 .await;
2436
2437 let channels_b = cx_b
2438 .add_model(|cx| ChannelList::new(client_b.user_store.clone(), client_b.clone(), cx));
2439 channels_b
2440 .condition(&mut cx_b, |list, _| list.available_channels().is_some())
2441 .await;
2442 channels_b.read_with(&cx_b, |list, _| {
2443 assert_eq!(
2444 list.available_channels().unwrap(),
2445 &[ChannelDetails {
2446 id: channel_id.to_proto(),
2447 name: "test-channel".to_string()
2448 }]
2449 )
2450 });
2451
2452 let channel_b = channels_b.update(&mut cx_b, |this, cx| {
2453 this.get_channel(channel_id.to_proto(), cx).unwrap()
2454 });
2455 channel_b.read_with(&cx_b, |channel, _| assert!(channel.messages().is_empty()));
2456 channel_b
2457 .condition(&cx_b, |channel, _| {
2458 channel_messages(channel)
2459 == [("user_b".to_string(), "hello A, it's B.".to_string(), false)]
2460 })
2461 .await;
2462
2463 // Disconnect client B, ensuring we can still access its cached channel data.
2464 server.forbid_connections();
2465 server.disconnect_client(client_b.current_user_id(&cx_b));
2466 while !matches!(
2467 status_b.next().await,
2468 Some(client::Status::ReconnectionError { .. })
2469 ) {}
2470
2471 channels_b.read_with(&cx_b, |channels, _| {
2472 assert_eq!(
2473 channels.available_channels().unwrap(),
2474 [ChannelDetails {
2475 id: channel_id.to_proto(),
2476 name: "test-channel".to_string()
2477 }]
2478 )
2479 });
2480 channel_b.read_with(&cx_b, |channel, _| {
2481 assert_eq!(
2482 channel_messages(channel),
2483 [("user_b".to_string(), "hello A, it's B.".to_string(), false)]
2484 )
2485 });
2486
2487 // Send a message from client B while it is disconnected.
2488 channel_b
2489 .update(&mut cx_b, |channel, cx| {
2490 let task = channel
2491 .send_message("can you see this?".to_string(), cx)
2492 .unwrap();
2493 assert_eq!(
2494 channel_messages(channel),
2495 &[
2496 ("user_b".to_string(), "hello A, it's B.".to_string(), false),
2497 ("user_b".to_string(), "can you see this?".to_string(), true)
2498 ]
2499 );
2500 task
2501 })
2502 .await
2503 .unwrap_err();
2504
2505 // Send a message from client A while B is disconnected.
2506 channel_a
2507 .update(&mut cx_a, |channel, cx| {
2508 channel
2509 .send_message("oh, hi B.".to_string(), cx)
2510 .unwrap()
2511 .detach();
2512 let task = channel.send_message("sup".to_string(), cx).unwrap();
2513 assert_eq!(
2514 channel_messages(channel),
2515 &[
2516 ("user_b".to_string(), "hello A, it's B.".to_string(), false),
2517 ("user_a".to_string(), "oh, hi B.".to_string(), true),
2518 ("user_a".to_string(), "sup".to_string(), true)
2519 ]
2520 );
2521 task
2522 })
2523 .await
2524 .unwrap();
2525
2526 // Give client B a chance to reconnect.
2527 server.allow_connections();
2528 cx_b.foreground().advance_clock(Duration::from_secs(10));
2529
2530 // Verify that B sees the new messages upon reconnection, as well as the message client B
2531 // sent while offline.
2532 channel_b
2533 .condition(&cx_b, |channel, _| {
2534 channel_messages(channel)
2535 == [
2536 ("user_b".to_string(), "hello A, it's B.".to_string(), false),
2537 ("user_a".to_string(), "oh, hi B.".to_string(), false),
2538 ("user_a".to_string(), "sup".to_string(), false),
2539 ("user_b".to_string(), "can you see this?".to_string(), false),
2540 ]
2541 })
2542 .await;
2543
2544 // Ensure client A and B can communicate normally after reconnection.
2545 channel_a
2546 .update(&mut cx_a, |channel, cx| {
2547 channel.send_message("you online?".to_string(), cx).unwrap()
2548 })
2549 .await
2550 .unwrap();
2551 channel_b
2552 .condition(&cx_b, |channel, _| {
2553 channel_messages(channel)
2554 == [
2555 ("user_b".to_string(), "hello A, it's B.".to_string(), false),
2556 ("user_a".to_string(), "oh, hi B.".to_string(), false),
2557 ("user_a".to_string(), "sup".to_string(), false),
2558 ("user_b".to_string(), "can you see this?".to_string(), false),
2559 ("user_a".to_string(), "you online?".to_string(), false),
2560 ]
2561 })
2562 .await;
2563
2564 channel_b
2565 .update(&mut cx_b, |channel, cx| {
2566 channel.send_message("yep".to_string(), cx).unwrap()
2567 })
2568 .await
2569 .unwrap();
2570 channel_a
2571 .condition(&cx_a, |channel, _| {
2572 channel_messages(channel)
2573 == [
2574 ("user_b".to_string(), "hello A, it's B.".to_string(), false),
2575 ("user_a".to_string(), "oh, hi B.".to_string(), false),
2576 ("user_a".to_string(), "sup".to_string(), false),
2577 ("user_b".to_string(), "can you see this?".to_string(), false),
2578 ("user_a".to_string(), "you online?".to_string(), false),
2579 ("user_b".to_string(), "yep".to_string(), false),
2580 ]
2581 })
2582 .await;
2583 }
2584
2585 #[gpui::test]
2586 async fn test_contacts(
2587 mut cx_a: TestAppContext,
2588 mut cx_b: TestAppContext,
2589 mut cx_c: TestAppContext,
2590 ) {
2591 cx_a.foreground().forbid_parking();
2592 let lang_registry = Arc::new(LanguageRegistry::new());
2593 let fs = Arc::new(FakeFs::new());
2594
2595 // Connect to a server as 3 clients.
2596 let mut server = TestServer::start(cx_a.foreground()).await;
2597 let client_a = server.create_client(&mut cx_a, "user_a").await;
2598 let client_b = server.create_client(&mut cx_b, "user_b").await;
2599 let client_c = server.create_client(&mut cx_c, "user_c").await;
2600
2601 // Share a worktree as client A.
2602 fs.insert_tree(
2603 "/a",
2604 json!({
2605 ".zed.toml": r#"collaborators = ["user_b", "user_c"]"#,
2606 }),
2607 )
2608 .await;
2609
2610 let project_a = cx_a.update(|cx| {
2611 Project::local(
2612 client_a.clone(),
2613 client_a.user_store.clone(),
2614 lang_registry.clone(),
2615 fs.clone(),
2616 cx,
2617 )
2618 });
2619 let worktree_a = project_a
2620 .update(&mut cx_a, |p, cx| p.add_local_worktree("/a", cx))
2621 .await
2622 .unwrap();
2623 worktree_a
2624 .read_with(&cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
2625 .await;
2626
2627 client_a
2628 .user_store
2629 .condition(&cx_a, |user_store, _| {
2630 contacts(user_store) == vec![("user_a", vec![("a", vec![])])]
2631 })
2632 .await;
2633 client_b
2634 .user_store
2635 .condition(&cx_b, |user_store, _| {
2636 contacts(user_store) == vec![("user_a", vec![("a", vec![])])]
2637 })
2638 .await;
2639 client_c
2640 .user_store
2641 .condition(&cx_c, |user_store, _| {
2642 contacts(user_store) == vec![("user_a", vec![("a", vec![])])]
2643 })
2644 .await;
2645
2646 let project_id = project_a
2647 .update(&mut cx_a, |project, _| project.next_remote_id())
2648 .await;
2649 project_a
2650 .update(&mut cx_a, |project, cx| project.share(cx))
2651 .await
2652 .unwrap();
2653
2654 let _project_b = Project::remote(
2655 project_id,
2656 client_b.clone(),
2657 client_b.user_store.clone(),
2658 lang_registry.clone(),
2659 fs.clone(),
2660 &mut cx_b.to_async(),
2661 )
2662 .await
2663 .unwrap();
2664
2665 client_a
2666 .user_store
2667 .condition(&cx_a, |user_store, _| {
2668 contacts(user_store) == vec![("user_a", vec![("a", vec!["user_b"])])]
2669 })
2670 .await;
2671 client_b
2672 .user_store
2673 .condition(&cx_b, |user_store, _| {
2674 contacts(user_store) == vec![("user_a", vec![("a", vec!["user_b"])])]
2675 })
2676 .await;
2677 client_c
2678 .user_store
2679 .condition(&cx_c, |user_store, _| {
2680 contacts(user_store) == vec![("user_a", vec![("a", vec!["user_b"])])]
2681 })
2682 .await;
2683
2684 project_a
2685 .condition(&cx_a, |project, _| {
2686 project.collaborators().contains_key(&client_b.peer_id)
2687 })
2688 .await;
2689
2690 cx_a.update(move |_| drop(project_a));
2691 client_a
2692 .user_store
2693 .condition(&cx_a, |user_store, _| contacts(user_store) == vec![])
2694 .await;
2695 client_b
2696 .user_store
2697 .condition(&cx_b, |user_store, _| contacts(user_store) == vec![])
2698 .await;
2699 client_c
2700 .user_store
2701 .condition(&cx_c, |user_store, _| contacts(user_store) == vec![])
2702 .await;
2703
2704 fn contacts(user_store: &UserStore) -> Vec<(&str, Vec<(&str, Vec<&str>)>)> {
2705 user_store
2706 .contacts()
2707 .iter()
2708 .map(|contact| {
2709 let worktrees = contact
2710 .projects
2711 .iter()
2712 .map(|p| {
2713 (
2714 p.worktree_root_names[0].as_str(),
2715 p.guests.iter().map(|p| p.github_login.as_str()).collect(),
2716 )
2717 })
2718 .collect();
2719 (contact.user.github_login.as_str(), worktrees)
2720 })
2721 .collect()
2722 }
2723 }
2724
2725 struct TestServer {
2726 peer: Arc<Peer>,
2727 app_state: Arc<AppState>,
2728 server: Arc<Server>,
2729 foreground: Rc<executor::Foreground>,
2730 notifications: mpsc::Receiver<()>,
2731 connection_killers: Arc<Mutex<HashMap<UserId, watch::Sender<Option<()>>>>>,
2732 forbid_connections: Arc<AtomicBool>,
2733 _test_db: TestDb,
2734 }
2735
2736 impl TestServer {
2737 async fn start(foreground: Rc<executor::Foreground>) -> Self {
2738 let test_db = TestDb::new();
2739 let app_state = Self::build_app_state(&test_db).await;
2740 let peer = Peer::new();
2741 let notifications = mpsc::channel(128);
2742 let server = Server::new(app_state.clone(), peer.clone(), Some(notifications.0));
2743 Self {
2744 peer,
2745 app_state,
2746 server,
2747 foreground,
2748 notifications: notifications.1,
2749 connection_killers: Default::default(),
2750 forbid_connections: Default::default(),
2751 _test_db: test_db,
2752 }
2753 }
2754
2755 async fn create_client(&mut self, cx: &mut TestAppContext, name: &str) -> TestClient {
2756 let http = FakeHttpClient::with_404_response();
2757 let user_id = self.app_state.db.create_user(name, false).await.unwrap();
2758 let client_name = name.to_string();
2759 let mut client = Client::new(http.clone());
2760 let server = self.server.clone();
2761 let connection_killers = self.connection_killers.clone();
2762 let forbid_connections = self.forbid_connections.clone();
2763 let (connection_id_tx, mut connection_id_rx) = postage::mpsc::channel(16);
2764
2765 Arc::get_mut(&mut client)
2766 .unwrap()
2767 .override_authenticate(move |cx| {
2768 cx.spawn(|_| async move {
2769 let access_token = "the-token".to_string();
2770 Ok(Credentials {
2771 user_id: user_id.0 as u64,
2772 access_token,
2773 })
2774 })
2775 })
2776 .override_establish_connection(move |credentials, cx| {
2777 assert_eq!(credentials.user_id, user_id.0 as u64);
2778 assert_eq!(credentials.access_token, "the-token");
2779
2780 let server = server.clone();
2781 let connection_killers = connection_killers.clone();
2782 let forbid_connections = forbid_connections.clone();
2783 let client_name = client_name.clone();
2784 let connection_id_tx = connection_id_tx.clone();
2785 cx.spawn(move |cx| async move {
2786 if forbid_connections.load(SeqCst) {
2787 Err(EstablishConnectionError::other(anyhow!(
2788 "server is forbidding connections"
2789 )))
2790 } else {
2791 let (client_conn, server_conn, kill_conn) = Connection::in_memory();
2792 connection_killers.lock().insert(user_id, kill_conn);
2793 cx.background()
2794 .spawn(server.handle_connection(
2795 server_conn,
2796 client_name,
2797 user_id,
2798 Some(connection_id_tx),
2799 ))
2800 .detach();
2801 Ok(client_conn)
2802 }
2803 })
2804 });
2805
2806 client
2807 .authenticate_and_connect(&cx.to_async())
2808 .await
2809 .unwrap();
2810
2811 let peer_id = PeerId(connection_id_rx.next().await.unwrap().0);
2812 let user_store = cx.add_model(|cx| UserStore::new(client.clone(), http, cx));
2813 let mut authed_user =
2814 user_store.read_with(cx, |user_store, _| user_store.watch_current_user());
2815 while authed_user.next().await.unwrap().is_none() {}
2816
2817 TestClient {
2818 client,
2819 peer_id,
2820 user_store,
2821 }
2822 }
2823
2824 fn disconnect_client(&self, user_id: UserId) {
2825 if let Some(mut kill_conn) = self.connection_killers.lock().remove(&user_id) {
2826 let _ = kill_conn.try_send(Some(()));
2827 }
2828 }
2829
2830 fn forbid_connections(&self) {
2831 self.forbid_connections.store(true, SeqCst);
2832 }
2833
2834 fn allow_connections(&self) {
2835 self.forbid_connections.store(false, SeqCst);
2836 }
2837
2838 async fn build_app_state(test_db: &TestDb) -> Arc<AppState> {
2839 let mut config = Config::default();
2840 config.session_secret = "a".repeat(32);
2841 config.database_url = test_db.url.clone();
2842 let github_client = github::AppClient::test();
2843 Arc::new(AppState {
2844 db: test_db.db().clone(),
2845 handlebars: Default::default(),
2846 auth_client: auth::build_client("", ""),
2847 repo_client: github::RepoClient::test(&github_client),
2848 github_client,
2849 config,
2850 })
2851 }
2852
2853 async fn state<'a>(&'a self) -> RwLockReadGuard<'a, Store> {
2854 self.server.store.read()
2855 }
2856
2857 async fn condition<F>(&mut self, mut predicate: F)
2858 where
2859 F: FnMut(&Store) -> bool,
2860 {
2861 async_std::future::timeout(Duration::from_millis(500), async {
2862 while !(predicate)(&*self.server.store.read()) {
2863 self.foreground.start_waiting();
2864 self.notifications.next().await;
2865 self.foreground.finish_waiting();
2866 }
2867 })
2868 .await
2869 .expect("condition timed out");
2870 }
2871 }
2872
2873 impl Drop for TestServer {
2874 fn drop(&mut self) {
2875 self.peer.reset();
2876 }
2877 }
2878
2879 struct TestClient {
2880 client: Arc<Client>,
2881 pub peer_id: PeerId,
2882 pub user_store: ModelHandle<UserStore>,
2883 }
2884
2885 impl Deref for TestClient {
2886 type Target = Arc<Client>;
2887
2888 fn deref(&self) -> &Self::Target {
2889 &self.client
2890 }
2891 }
2892
2893 impl TestClient {
2894 pub fn current_user_id(&self, cx: &TestAppContext) -> UserId {
2895 UserId::from_proto(
2896 self.user_store
2897 .read_with(cx, |user_store, _| user_store.current_user().unwrap().id),
2898 )
2899 }
2900 }
2901
2902 fn channel_messages(channel: &Channel) -> Vec<(String, String, bool)> {
2903 channel
2904 .messages()
2905 .cursor::<()>()
2906 .map(|m| {
2907 (
2908 m.sender.github_login.clone(),
2909 m.body.clone(),
2910 m.is_pending(),
2911 )
2912 })
2913 .collect()
2914 }
2915
2916 struct EmptyView;
2917
2918 impl gpui::Entity for EmptyView {
2919 type Event = ();
2920 }
2921
2922 impl gpui::View for EmptyView {
2923 fn ui_name() -> &'static str {
2924 "empty view"
2925 }
2926
2927 fn render(&mut self, _: &mut gpui::RenderContext<Self>) -> gpui::ElementBox {
2928 gpui::Element::boxed(gpui::elements::Empty)
2929 }
2930 }
2931}