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 let buffer_b = cx_b.add_model(|cx| MultiBuffer::singleton(buffer_b, cx));
1218 buffer_b.read_with(&cx_b, |buf, cx| {
1219 assert_eq!(buf.read(cx).text(), "b-contents")
1220 });
1221 worktree_a.read_with(&cx_a, |tree, cx| assert!(tree.has_open_buffer("b.txt", cx)));
1222 let buffer_a = worktree_a
1223 .update(&mut cx_a, |tree, cx| tree.open_buffer("b.txt", cx))
1224 .await
1225 .unwrap();
1226
1227 let editor_b = cx_b.add_view(window_b, |cx| {
1228 Editor::for_buffer(buffer_b, Arc::new(|cx| EditorSettings::test(cx)), cx)
1229 });
1230 // TODO
1231 // // Create a selection set as client B and see that selection set as client A.
1232 // buffer_a
1233 // .condition(&cx_a, |buffer, _| buffer.selection_sets().count() == 1)
1234 // .await;
1235
1236 // Edit the buffer as client B and see that edit as client A.
1237 editor_b.update(&mut cx_b, |editor, cx| {
1238 editor.handle_input(&Input("ok, ".into()), cx)
1239 });
1240 buffer_a
1241 .condition(&cx_a, |buffer, _| buffer.text() == "ok, b-contents")
1242 .await;
1243
1244 // TODO
1245 // // Remove the selection set as client B, see those selections disappear as client A.
1246 cx_b.update(move |_| drop(editor_b));
1247 // buffer_a
1248 // .condition(&cx_a, |buffer, _| buffer.selection_sets().count() == 0)
1249 // .await;
1250
1251 // Close the buffer as client A, see that the buffer is closed.
1252 cx_a.update(move |_| drop(buffer_a));
1253 worktree_a
1254 .condition(&cx_a, |tree, cx| !tree.has_open_buffer("b.txt", cx))
1255 .await;
1256
1257 // Dropping the client B's project removes client B from client A's collaborators.
1258 cx_b.update(move |_| drop(project_b));
1259 project_a
1260 .condition(&cx_a, |project, _| project.collaborators().is_empty())
1261 .await;
1262 }
1263
1264 #[gpui::test]
1265 async fn test_unshare_project(mut cx_a: TestAppContext, mut cx_b: TestAppContext) {
1266 let lang_registry = Arc::new(LanguageRegistry::new());
1267 let fs = Arc::new(FakeFs::new());
1268 cx_a.foreground().forbid_parking();
1269
1270 // Connect to a server as 2 clients.
1271 let mut server = TestServer::start(cx_a.foreground()).await;
1272 let client_a = server.create_client(&mut cx_a, "user_a").await;
1273 let client_b = server.create_client(&mut cx_b, "user_b").await;
1274
1275 // Share a project as client A
1276 fs.insert_tree(
1277 "/a",
1278 json!({
1279 ".zed.toml": r#"collaborators = ["user_b"]"#,
1280 "a.txt": "a-contents",
1281 "b.txt": "b-contents",
1282 }),
1283 )
1284 .await;
1285 let project_a = cx_a.update(|cx| {
1286 Project::local(
1287 client_a.clone(),
1288 client_a.user_store.clone(),
1289 lang_registry.clone(),
1290 fs.clone(),
1291 cx,
1292 )
1293 });
1294 let worktree_a = project_a
1295 .update(&mut cx_a, |p, cx| p.add_local_worktree("/a", cx))
1296 .await
1297 .unwrap();
1298 worktree_a
1299 .read_with(&cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
1300 .await;
1301 let project_id = project_a
1302 .update(&mut cx_a, |project, _| project.next_remote_id())
1303 .await;
1304 project_a
1305 .update(&mut cx_a, |project, cx| project.share(cx))
1306 .await
1307 .unwrap();
1308 assert!(worktree_a.read_with(&cx_a, |tree, _| tree.as_local().unwrap().is_shared()));
1309
1310 // Join that project as client B
1311 let project_b = Project::remote(
1312 project_id,
1313 client_b.clone(),
1314 client_b.user_store.clone(),
1315 lang_registry.clone(),
1316 fs.clone(),
1317 &mut cx_b.to_async(),
1318 )
1319 .await
1320 .unwrap();
1321
1322 let worktree_b = project_b.read_with(&cx_b, |p, _| p.worktrees()[0].clone());
1323 worktree_b
1324 .update(&mut cx_b, |tree, cx| tree.open_buffer("a.txt", cx))
1325 .await
1326 .unwrap();
1327
1328 project_a
1329 .update(&mut cx_a, |project, cx| project.unshare(cx))
1330 .await
1331 .unwrap();
1332 project_b
1333 .condition(&mut cx_b, |project, _| project.is_read_only())
1334 .await;
1335 assert!(worktree_a.read_with(&cx_a, |tree, _| !tree.as_local().unwrap().is_shared()));
1336 drop(project_b);
1337
1338 // Share the project again and ensure guests can still join.
1339 project_a
1340 .update(&mut cx_a, |project, cx| project.share(cx))
1341 .await
1342 .unwrap();
1343 assert!(worktree_a.read_with(&cx_a, |tree, _| tree.as_local().unwrap().is_shared()));
1344 let project_c = Project::remote(
1345 project_id,
1346 client_b.clone(),
1347 client_b.user_store.clone(),
1348 lang_registry.clone(),
1349 fs.clone(),
1350 &mut cx_b.to_async(),
1351 )
1352 .await
1353 .unwrap();
1354 let worktree_c = project_c.read_with(&cx_b, |p, _| p.worktrees()[0].clone());
1355 worktree_c
1356 .update(&mut cx_b, |tree, cx| tree.open_buffer("a.txt", cx))
1357 .await
1358 .unwrap();
1359 }
1360
1361 #[gpui::test]
1362 async fn test_propagate_saves_and_fs_changes(
1363 mut cx_a: TestAppContext,
1364 mut cx_b: TestAppContext,
1365 mut cx_c: TestAppContext,
1366 ) {
1367 let lang_registry = Arc::new(LanguageRegistry::new());
1368 let fs = Arc::new(FakeFs::new());
1369 cx_a.foreground().forbid_parking();
1370
1371 // Connect to a server as 3 clients.
1372 let mut server = TestServer::start(cx_a.foreground()).await;
1373 let client_a = server.create_client(&mut cx_a, "user_a").await;
1374 let client_b = server.create_client(&mut cx_b, "user_b").await;
1375 let client_c = server.create_client(&mut cx_c, "user_c").await;
1376
1377 // Share a worktree as client A.
1378 fs.insert_tree(
1379 "/a",
1380 json!({
1381 ".zed.toml": r#"collaborators = ["user_b", "user_c"]"#,
1382 "file1": "",
1383 "file2": ""
1384 }),
1385 )
1386 .await;
1387 let project_a = cx_a.update(|cx| {
1388 Project::local(
1389 client_a.clone(),
1390 client_a.user_store.clone(),
1391 lang_registry.clone(),
1392 fs.clone(),
1393 cx,
1394 )
1395 });
1396 let worktree_a = project_a
1397 .update(&mut cx_a, |p, cx| p.add_local_worktree("/a", cx))
1398 .await
1399 .unwrap();
1400 worktree_a
1401 .read_with(&cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
1402 .await;
1403 let project_id = project_a
1404 .update(&mut cx_a, |project, _| project.next_remote_id())
1405 .await;
1406 project_a
1407 .update(&mut cx_a, |project, cx| project.share(cx))
1408 .await
1409 .unwrap();
1410
1411 // Join that worktree as clients B and C.
1412 let project_b = Project::remote(
1413 project_id,
1414 client_b.clone(),
1415 client_b.user_store.clone(),
1416 lang_registry.clone(),
1417 fs.clone(),
1418 &mut cx_b.to_async(),
1419 )
1420 .await
1421 .unwrap();
1422 let project_c = Project::remote(
1423 project_id,
1424 client_c.clone(),
1425 client_c.user_store.clone(),
1426 lang_registry.clone(),
1427 fs.clone(),
1428 &mut cx_c.to_async(),
1429 )
1430 .await
1431 .unwrap();
1432
1433 // Open and edit a buffer as both guests B and C.
1434 let worktree_b = project_b.read_with(&cx_b, |p, _| p.worktrees()[0].clone());
1435 let worktree_c = project_c.read_with(&cx_c, |p, _| p.worktrees()[0].clone());
1436 let buffer_b = worktree_b
1437 .update(&mut cx_b, |tree, cx| tree.open_buffer("file1", cx))
1438 .await
1439 .unwrap();
1440 let buffer_c = worktree_c
1441 .update(&mut cx_c, |tree, cx| tree.open_buffer("file1", cx))
1442 .await
1443 .unwrap();
1444 buffer_b.update(&mut cx_b, |buf, cx| buf.edit([0..0], "i-am-b, ", cx));
1445 buffer_c.update(&mut cx_c, |buf, cx| buf.edit([0..0], "i-am-c, ", cx));
1446
1447 // Open and edit that buffer as the host.
1448 let buffer_a = worktree_a
1449 .update(&mut cx_a, |tree, cx| tree.open_buffer("file1", cx))
1450 .await
1451 .unwrap();
1452
1453 buffer_a
1454 .condition(&mut cx_a, |buf, _| buf.text() == "i-am-c, i-am-b, ")
1455 .await;
1456 buffer_a.update(&mut cx_a, |buf, cx| {
1457 buf.edit([buf.len()..buf.len()], "i-am-a", cx)
1458 });
1459
1460 // Wait for edits to propagate
1461 buffer_a
1462 .condition(&mut cx_a, |buf, _| buf.text() == "i-am-c, i-am-b, i-am-a")
1463 .await;
1464 buffer_b
1465 .condition(&mut cx_b, |buf, _| buf.text() == "i-am-c, i-am-b, i-am-a")
1466 .await;
1467 buffer_c
1468 .condition(&mut cx_c, |buf, _| buf.text() == "i-am-c, i-am-b, i-am-a")
1469 .await;
1470
1471 // Edit the buffer as the host and concurrently save as guest B.
1472 let save_b = buffer_b.update(&mut cx_b, |buf, cx| buf.save(cx).unwrap());
1473 buffer_a.update(&mut cx_a, |buf, cx| buf.edit([0..0], "hi-a, ", cx));
1474 save_b.await.unwrap();
1475 assert_eq!(
1476 fs.load("/a/file1".as_ref()).await.unwrap(),
1477 "hi-a, i-am-c, i-am-b, i-am-a"
1478 );
1479 buffer_a.read_with(&cx_a, |buf, _| assert!(!buf.is_dirty()));
1480 buffer_b.read_with(&cx_b, |buf, _| assert!(!buf.is_dirty()));
1481 buffer_c.condition(&cx_c, |buf, _| !buf.is_dirty()).await;
1482
1483 // Make changes on host's file system, see those changes on the guests.
1484 fs.rename("/a/file2".as_ref(), "/a/file3".as_ref())
1485 .await
1486 .unwrap();
1487 fs.insert_file(Path::new("/a/file4"), "4".into())
1488 .await
1489 .unwrap();
1490
1491 worktree_b
1492 .condition(&cx_b, |tree, _| tree.file_count() == 4)
1493 .await;
1494 worktree_c
1495 .condition(&cx_c, |tree, _| tree.file_count() == 4)
1496 .await;
1497 worktree_b.read_with(&cx_b, |tree, _| {
1498 assert_eq!(
1499 tree.paths()
1500 .map(|p| p.to_string_lossy())
1501 .collect::<Vec<_>>(),
1502 &[".zed.toml", "file1", "file3", "file4"]
1503 )
1504 });
1505 worktree_c.read_with(&cx_c, |tree, _| {
1506 assert_eq!(
1507 tree.paths()
1508 .map(|p| p.to_string_lossy())
1509 .collect::<Vec<_>>(),
1510 &[".zed.toml", "file1", "file3", "file4"]
1511 )
1512 });
1513 }
1514
1515 #[gpui::test]
1516 async fn test_buffer_conflict_after_save(mut cx_a: TestAppContext, mut cx_b: TestAppContext) {
1517 cx_a.foreground().forbid_parking();
1518 let lang_registry = Arc::new(LanguageRegistry::new());
1519 let fs = Arc::new(FakeFs::new());
1520
1521 // Connect to a server as 2 clients.
1522 let mut server = TestServer::start(cx_a.foreground()).await;
1523 let client_a = server.create_client(&mut cx_a, "user_a").await;
1524 let client_b = server.create_client(&mut cx_b, "user_b").await;
1525
1526 // Share a project as client A
1527 fs.insert_tree(
1528 "/dir",
1529 json!({
1530 ".zed.toml": r#"collaborators = ["user_b", "user_c"]"#,
1531 "a.txt": "a-contents",
1532 }),
1533 )
1534 .await;
1535
1536 let project_a = cx_a.update(|cx| {
1537 Project::local(
1538 client_a.clone(),
1539 client_a.user_store.clone(),
1540 lang_registry.clone(),
1541 fs.clone(),
1542 cx,
1543 )
1544 });
1545 let worktree_a = project_a
1546 .update(&mut cx_a, |p, cx| p.add_local_worktree("/dir", cx))
1547 .await
1548 .unwrap();
1549 worktree_a
1550 .read_with(&cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
1551 .await;
1552 let project_id = project_a
1553 .update(&mut cx_a, |project, _| project.next_remote_id())
1554 .await;
1555 project_a
1556 .update(&mut cx_a, |project, cx| project.share(cx))
1557 .await
1558 .unwrap();
1559
1560 // Join that project as client B
1561 let project_b = Project::remote(
1562 project_id,
1563 client_b.clone(),
1564 client_b.user_store.clone(),
1565 lang_registry.clone(),
1566 fs.clone(),
1567 &mut cx_b.to_async(),
1568 )
1569 .await
1570 .unwrap();
1571 let worktree_b = project_b.update(&mut cx_b, |p, _| p.worktrees()[0].clone());
1572
1573 // Open a buffer as client B
1574 let buffer_b = worktree_b
1575 .update(&mut cx_b, |worktree, cx| worktree.open_buffer("a.txt", cx))
1576 .await
1577 .unwrap();
1578 let mtime = buffer_b.read_with(&cx_b, |buf, _| buf.file().unwrap().mtime());
1579
1580 buffer_b.update(&mut cx_b, |buf, cx| buf.edit([0..0], "world ", cx));
1581 buffer_b.read_with(&cx_b, |buf, _| {
1582 assert!(buf.is_dirty());
1583 assert!(!buf.has_conflict());
1584 });
1585
1586 buffer_b
1587 .update(&mut cx_b, |buf, cx| buf.save(cx))
1588 .unwrap()
1589 .await
1590 .unwrap();
1591 worktree_b
1592 .condition(&cx_b, |_, cx| {
1593 buffer_b.read(cx).file().unwrap().mtime() != mtime
1594 })
1595 .await;
1596 buffer_b.read_with(&cx_b, |buf, _| {
1597 assert!(!buf.is_dirty());
1598 assert!(!buf.has_conflict());
1599 });
1600
1601 buffer_b.update(&mut cx_b, |buf, cx| buf.edit([0..0], "hello ", cx));
1602 buffer_b.read_with(&cx_b, |buf, _| {
1603 assert!(buf.is_dirty());
1604 assert!(!buf.has_conflict());
1605 });
1606 }
1607
1608 #[gpui::test]
1609 async fn test_editing_while_guest_opens_buffer(
1610 mut cx_a: TestAppContext,
1611 mut cx_b: TestAppContext,
1612 ) {
1613 cx_a.foreground().forbid_parking();
1614 let lang_registry = Arc::new(LanguageRegistry::new());
1615 let fs = Arc::new(FakeFs::new());
1616
1617 // Connect to a server as 2 clients.
1618 let mut server = TestServer::start(cx_a.foreground()).await;
1619 let client_a = server.create_client(&mut cx_a, "user_a").await;
1620 let client_b = server.create_client(&mut cx_b, "user_b").await;
1621
1622 // Share a project as client A
1623 fs.insert_tree(
1624 "/dir",
1625 json!({
1626 ".zed.toml": r#"collaborators = ["user_b"]"#,
1627 "a.txt": "a-contents",
1628 }),
1629 )
1630 .await;
1631 let project_a = cx_a.update(|cx| {
1632 Project::local(
1633 client_a.clone(),
1634 client_a.user_store.clone(),
1635 lang_registry.clone(),
1636 fs.clone(),
1637 cx,
1638 )
1639 });
1640 let worktree_a = project_a
1641 .update(&mut cx_a, |p, cx| p.add_local_worktree("/dir", cx))
1642 .await
1643 .unwrap();
1644 worktree_a
1645 .read_with(&cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
1646 .await;
1647 let project_id = project_a
1648 .update(&mut cx_a, |project, _| project.next_remote_id())
1649 .await;
1650 project_a
1651 .update(&mut cx_a, |project, cx| project.share(cx))
1652 .await
1653 .unwrap();
1654
1655 // Join that project as client B
1656 let project_b = Project::remote(
1657 project_id,
1658 client_b.clone(),
1659 client_b.user_store.clone(),
1660 lang_registry.clone(),
1661 fs.clone(),
1662 &mut cx_b.to_async(),
1663 )
1664 .await
1665 .unwrap();
1666 let worktree_b = project_b.update(&mut cx_b, |p, _| p.worktrees()[0].clone());
1667
1668 // Open a buffer as client A
1669 let buffer_a = worktree_a
1670 .update(&mut cx_a, |tree, cx| tree.open_buffer("a.txt", cx))
1671 .await
1672 .unwrap();
1673
1674 // Start opening the same buffer as client B
1675 let buffer_b = cx_b
1676 .background()
1677 .spawn(worktree_b.update(&mut cx_b, |worktree, cx| worktree.open_buffer("a.txt", cx)));
1678 task::yield_now().await;
1679
1680 // Edit the buffer as client A while client B is still opening it.
1681 buffer_a.update(&mut cx_a, |buf, cx| buf.edit([0..0], "z", cx));
1682
1683 let text = buffer_a.read_with(&cx_a, |buf, _| buf.text());
1684 let buffer_b = buffer_b.await.unwrap();
1685 buffer_b.condition(&cx_b, |buf, _| buf.text() == text).await;
1686 }
1687
1688 #[gpui::test]
1689 async fn test_leaving_worktree_while_opening_buffer(
1690 mut cx_a: TestAppContext,
1691 mut cx_b: TestAppContext,
1692 ) {
1693 cx_a.foreground().forbid_parking();
1694 let lang_registry = Arc::new(LanguageRegistry::new());
1695 let fs = Arc::new(FakeFs::new());
1696
1697 // Connect to a server as 2 clients.
1698 let mut server = TestServer::start(cx_a.foreground()).await;
1699 let client_a = server.create_client(&mut cx_a, "user_a").await;
1700 let client_b = server.create_client(&mut cx_b, "user_b").await;
1701
1702 // Share a project as client A
1703 fs.insert_tree(
1704 "/dir",
1705 json!({
1706 ".zed.toml": r#"collaborators = ["user_b"]"#,
1707 "a.txt": "a-contents",
1708 }),
1709 )
1710 .await;
1711 let project_a = cx_a.update(|cx| {
1712 Project::local(
1713 client_a.clone(),
1714 client_a.user_store.clone(),
1715 lang_registry.clone(),
1716 fs.clone(),
1717 cx,
1718 )
1719 });
1720 let worktree_a = project_a
1721 .update(&mut cx_a, |p, cx| p.add_local_worktree("/dir", cx))
1722 .await
1723 .unwrap();
1724 worktree_a
1725 .read_with(&cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
1726 .await;
1727 let project_id = project_a
1728 .update(&mut cx_a, |project, _| project.next_remote_id())
1729 .await;
1730 project_a
1731 .update(&mut cx_a, |project, cx| project.share(cx))
1732 .await
1733 .unwrap();
1734
1735 // Join that project as client B
1736 let project_b = Project::remote(
1737 project_id,
1738 client_b.clone(),
1739 client_b.user_store.clone(),
1740 lang_registry.clone(),
1741 fs.clone(),
1742 &mut cx_b.to_async(),
1743 )
1744 .await
1745 .unwrap();
1746 let worktree_b = project_b.update(&mut cx_b, |p, _| p.worktrees()[0].clone());
1747
1748 // See that a guest has joined as client A.
1749 project_a
1750 .condition(&cx_a, |p, _| p.collaborators().len() == 1)
1751 .await;
1752
1753 // Begin opening a buffer as client B, but leave the project before the open completes.
1754 let buffer_b = cx_b
1755 .background()
1756 .spawn(worktree_b.update(&mut cx_b, |worktree, cx| worktree.open_buffer("a.txt", cx)));
1757 cx_b.update(|_| drop(project_b));
1758 drop(buffer_b);
1759
1760 // See that the guest has left.
1761 project_a
1762 .condition(&cx_a, |p, _| p.collaborators().len() == 0)
1763 .await;
1764 }
1765
1766 #[gpui::test]
1767 async fn test_peer_disconnection(mut cx_a: TestAppContext, mut cx_b: TestAppContext) {
1768 cx_a.foreground().forbid_parking();
1769 let lang_registry = Arc::new(LanguageRegistry::new());
1770 let fs = Arc::new(FakeFs::new());
1771
1772 // Connect to a server as 2 clients.
1773 let mut server = TestServer::start(cx_a.foreground()).await;
1774 let client_a = server.create_client(&mut cx_a, "user_a").await;
1775 let client_b = server.create_client(&mut cx_b, "user_b").await;
1776
1777 // Share a project as client A
1778 fs.insert_tree(
1779 "/a",
1780 json!({
1781 ".zed.toml": r#"collaborators = ["user_b"]"#,
1782 "a.txt": "a-contents",
1783 "b.txt": "b-contents",
1784 }),
1785 )
1786 .await;
1787 let project_a = cx_a.update(|cx| {
1788 Project::local(
1789 client_a.clone(),
1790 client_a.user_store.clone(),
1791 lang_registry.clone(),
1792 fs.clone(),
1793 cx,
1794 )
1795 });
1796 let worktree_a = project_a
1797 .update(&mut cx_a, |p, cx| p.add_local_worktree("/a", cx))
1798 .await
1799 .unwrap();
1800 worktree_a
1801 .read_with(&cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
1802 .await;
1803 let project_id = project_a
1804 .update(&mut cx_a, |project, _| project.next_remote_id())
1805 .await;
1806 project_a
1807 .update(&mut cx_a, |project, cx| project.share(cx))
1808 .await
1809 .unwrap();
1810
1811 // Join that project as client B
1812 let _project_b = Project::remote(
1813 project_id,
1814 client_b.clone(),
1815 client_b.user_store.clone(),
1816 lang_registry.clone(),
1817 fs.clone(),
1818 &mut cx_b.to_async(),
1819 )
1820 .await
1821 .unwrap();
1822
1823 // See that a guest has joined as client A.
1824 project_a
1825 .condition(&cx_a, |p, _| p.collaborators().len() == 1)
1826 .await;
1827
1828 // Drop client B's connection and ensure client A observes client B leaving the worktree.
1829 client_b.disconnect(&cx_b.to_async()).unwrap();
1830 project_a
1831 .condition(&cx_a, |p, _| p.collaborators().len() == 0)
1832 .await;
1833 }
1834
1835 #[gpui::test]
1836 async fn test_collaborating_with_diagnostics(
1837 mut cx_a: TestAppContext,
1838 mut cx_b: TestAppContext,
1839 ) {
1840 cx_a.foreground().forbid_parking();
1841 let mut lang_registry = Arc::new(LanguageRegistry::new());
1842 let fs = Arc::new(FakeFs::new());
1843
1844 // Set up a fake language server.
1845 let (language_server_config, mut fake_language_server) =
1846 LanguageServerConfig::fake(cx_a.background()).await;
1847 Arc::get_mut(&mut lang_registry)
1848 .unwrap()
1849 .add(Arc::new(Language::new(
1850 LanguageConfig {
1851 name: "Rust".to_string(),
1852 path_suffixes: vec!["rs".to_string()],
1853 language_server: Some(language_server_config),
1854 ..Default::default()
1855 },
1856 Some(tree_sitter_rust::language()),
1857 )));
1858
1859 // Connect to a server as 2 clients.
1860 let mut server = TestServer::start(cx_a.foreground()).await;
1861 let client_a = server.create_client(&mut cx_a, "user_a").await;
1862 let client_b = server.create_client(&mut cx_b, "user_b").await;
1863
1864 // Share a project as client A
1865 fs.insert_tree(
1866 "/a",
1867 json!({
1868 ".zed.toml": r#"collaborators = ["user_b"]"#,
1869 "a.rs": "let one = two",
1870 "other.rs": "",
1871 }),
1872 )
1873 .await;
1874 let project_a = cx_a.update(|cx| {
1875 Project::local(
1876 client_a.clone(),
1877 client_a.user_store.clone(),
1878 lang_registry.clone(),
1879 fs.clone(),
1880 cx,
1881 )
1882 });
1883 let worktree_a = project_a
1884 .update(&mut cx_a, |p, cx| p.add_local_worktree("/a", cx))
1885 .await
1886 .unwrap();
1887 worktree_a
1888 .read_with(&cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
1889 .await;
1890 let project_id = project_a
1891 .update(&mut cx_a, |project, _| project.next_remote_id())
1892 .await;
1893 let worktree_id = worktree_a.read_with(&cx_a, |tree, _| tree.id());
1894 project_a
1895 .update(&mut cx_a, |project, cx| project.share(cx))
1896 .await
1897 .unwrap();
1898
1899 // Cause the language server to start.
1900 let _ = cx_a
1901 .background()
1902 .spawn(worktree_a.update(&mut cx_a, |worktree, cx| {
1903 worktree.open_buffer("other.rs", cx)
1904 }))
1905 .await
1906 .unwrap();
1907
1908 // Simulate a language server reporting errors for a file.
1909 fake_language_server
1910 .notify::<lsp::notification::PublishDiagnostics>(lsp::PublishDiagnosticsParams {
1911 uri: lsp::Url::from_file_path("/a/a.rs").unwrap(),
1912 version: None,
1913 diagnostics: vec![lsp::Diagnostic {
1914 severity: Some(lsp::DiagnosticSeverity::ERROR),
1915 range: lsp::Range::new(lsp::Position::new(0, 4), lsp::Position::new(0, 7)),
1916 message: "message 1".to_string(),
1917 ..Default::default()
1918 }],
1919 })
1920 .await;
1921
1922 // Wait for server to see the diagnostics update.
1923 server
1924 .condition(|store| {
1925 let worktree = store
1926 .project(project_id)
1927 .unwrap()
1928 .worktrees
1929 .get(&worktree_id.to_proto())
1930 .unwrap();
1931
1932 !worktree
1933 .share
1934 .as_ref()
1935 .unwrap()
1936 .diagnostic_summaries
1937 .is_empty()
1938 })
1939 .await;
1940
1941 // Join the worktree as client B.
1942 let project_b = Project::remote(
1943 project_id,
1944 client_b.clone(),
1945 client_b.user_store.clone(),
1946 lang_registry.clone(),
1947 fs.clone(),
1948 &mut cx_b.to_async(),
1949 )
1950 .await
1951 .unwrap();
1952
1953 project_b.read_with(&cx_b, |project, cx| {
1954 assert_eq!(
1955 project.diagnostic_summaries(cx).collect::<Vec<_>>(),
1956 &[(
1957 ProjectPath {
1958 worktree_id,
1959 path: Arc::from(Path::new("a.rs")),
1960 },
1961 DiagnosticSummary {
1962 error_count: 1,
1963 warning_count: 0,
1964 ..Default::default()
1965 },
1966 )]
1967 )
1968 });
1969
1970 // Simulate a language server reporting more errors for a file.
1971 fake_language_server
1972 .notify::<lsp::notification::PublishDiagnostics>(lsp::PublishDiagnosticsParams {
1973 uri: lsp::Url::from_file_path("/a/a.rs").unwrap(),
1974 version: None,
1975 diagnostics: vec![
1976 lsp::Diagnostic {
1977 severity: Some(lsp::DiagnosticSeverity::ERROR),
1978 range: lsp::Range::new(lsp::Position::new(0, 4), lsp::Position::new(0, 7)),
1979 message: "message 1".to_string(),
1980 ..Default::default()
1981 },
1982 lsp::Diagnostic {
1983 severity: Some(lsp::DiagnosticSeverity::WARNING),
1984 range: lsp::Range::new(
1985 lsp::Position::new(0, 10),
1986 lsp::Position::new(0, 13),
1987 ),
1988 message: "message 2".to_string(),
1989 ..Default::default()
1990 },
1991 ],
1992 })
1993 .await;
1994
1995 // Client b gets the updated summaries
1996 project_b
1997 .condition(&cx_b, |project, cx| {
1998 project.diagnostic_summaries(cx).collect::<Vec<_>>()
1999 == &[(
2000 ProjectPath {
2001 worktree_id,
2002 path: Arc::from(Path::new("a.rs")),
2003 },
2004 DiagnosticSummary {
2005 error_count: 1,
2006 warning_count: 1,
2007 ..Default::default()
2008 },
2009 )]
2010 })
2011 .await;
2012
2013 // Open the file with the errors on client B. They should be present.
2014 let worktree_b = project_b.update(&mut cx_b, |p, _| p.worktrees()[0].clone());
2015 let buffer_b = cx_b
2016 .background()
2017 .spawn(worktree_b.update(&mut cx_b, |worktree, cx| worktree.open_buffer("a.rs", cx)))
2018 .await
2019 .unwrap();
2020
2021 buffer_b.read_with(&cx_b, |buffer, _| {
2022 assert_eq!(
2023 buffer
2024 .snapshot()
2025 .diagnostics_in_range::<_, Point>(0..buffer.len())
2026 .map(|entry| entry)
2027 .collect::<Vec<_>>(),
2028 &[
2029 DiagnosticEntry {
2030 range: Point::new(0, 4)..Point::new(0, 7),
2031 diagnostic: Diagnostic {
2032 group_id: 0,
2033 message: "message 1".to_string(),
2034 severity: lsp::DiagnosticSeverity::ERROR,
2035 is_primary: true,
2036 ..Default::default()
2037 }
2038 },
2039 DiagnosticEntry {
2040 range: Point::new(0, 10)..Point::new(0, 13),
2041 diagnostic: Diagnostic {
2042 group_id: 1,
2043 severity: lsp::DiagnosticSeverity::WARNING,
2044 message: "message 2".to_string(),
2045 is_primary: true,
2046 ..Default::default()
2047 }
2048 }
2049 ]
2050 );
2051 });
2052 }
2053
2054 #[gpui::test]
2055 async fn test_formatting_buffer(mut cx_a: TestAppContext, mut cx_b: TestAppContext) {
2056 cx_a.foreground().forbid_parking();
2057 let mut lang_registry = Arc::new(LanguageRegistry::new());
2058 let fs = Arc::new(FakeFs::new());
2059
2060 // Set up a fake language server.
2061 let (language_server_config, mut fake_language_server) =
2062 LanguageServerConfig::fake(cx_a.background()).await;
2063 Arc::get_mut(&mut lang_registry)
2064 .unwrap()
2065 .add(Arc::new(Language::new(
2066 LanguageConfig {
2067 name: "Rust".to_string(),
2068 path_suffixes: vec!["rs".to_string()],
2069 language_server: Some(language_server_config),
2070 ..Default::default()
2071 },
2072 Some(tree_sitter_rust::language()),
2073 )));
2074
2075 // Connect to a server as 2 clients.
2076 let mut server = TestServer::start(cx_a.foreground()).await;
2077 let client_a = server.create_client(&mut cx_a, "user_a").await;
2078 let client_b = server.create_client(&mut cx_b, "user_b").await;
2079
2080 // Share a project as client A
2081 fs.insert_tree(
2082 "/a",
2083 json!({
2084 ".zed.toml": r#"collaborators = ["user_b"]"#,
2085 "a.rs": "let one = two",
2086 }),
2087 )
2088 .await;
2089 let project_a = cx_a.update(|cx| {
2090 Project::local(
2091 client_a.clone(),
2092 client_a.user_store.clone(),
2093 lang_registry.clone(),
2094 fs.clone(),
2095 cx,
2096 )
2097 });
2098 let worktree_a = project_a
2099 .update(&mut cx_a, |p, cx| p.add_local_worktree("/a", cx))
2100 .await
2101 .unwrap();
2102 worktree_a
2103 .read_with(&cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
2104 .await;
2105 let project_id = project_a
2106 .update(&mut cx_a, |project, _| project.next_remote_id())
2107 .await;
2108 project_a
2109 .update(&mut cx_a, |project, cx| project.share(cx))
2110 .await
2111 .unwrap();
2112
2113 // Join the worktree as client B.
2114 let project_b = Project::remote(
2115 project_id,
2116 client_b.clone(),
2117 client_b.user_store.clone(),
2118 lang_registry.clone(),
2119 fs.clone(),
2120 &mut cx_b.to_async(),
2121 )
2122 .await
2123 .unwrap();
2124
2125 // Open the file to be formatted on client B.
2126 let worktree_b = project_b.update(&mut cx_b, |p, _| p.worktrees()[0].clone());
2127 let buffer_b = cx_b
2128 .background()
2129 .spawn(worktree_b.update(&mut cx_b, |worktree, cx| worktree.open_buffer("a.rs", cx)))
2130 .await
2131 .unwrap();
2132
2133 let format = buffer_b.update(&mut cx_b, |buffer, cx| buffer.format(cx));
2134 let (request_id, _) = fake_language_server
2135 .receive_request::<lsp::request::Formatting>()
2136 .await;
2137 fake_language_server
2138 .respond(
2139 request_id,
2140 Some(vec![
2141 lsp::TextEdit {
2142 range: lsp::Range::new(lsp::Position::new(0, 4), lsp::Position::new(0, 4)),
2143 new_text: "h".to_string(),
2144 },
2145 lsp::TextEdit {
2146 range: lsp::Range::new(lsp::Position::new(0, 7), lsp::Position::new(0, 7)),
2147 new_text: "y".to_string(),
2148 },
2149 ]),
2150 )
2151 .await;
2152 format.await.unwrap();
2153 assert_eq!(
2154 buffer_b.read_with(&cx_b, |buffer, _| buffer.text()),
2155 "let honey = two"
2156 );
2157 }
2158
2159 #[gpui::test]
2160 async fn test_basic_chat(mut cx_a: TestAppContext, mut cx_b: TestAppContext) {
2161 cx_a.foreground().forbid_parking();
2162
2163 // Connect to a server as 2 clients.
2164 let mut server = TestServer::start(cx_a.foreground()).await;
2165 let client_a = server.create_client(&mut cx_a, "user_a").await;
2166 let client_b = server.create_client(&mut cx_b, "user_b").await;
2167
2168 // Create an org that includes these 2 users.
2169 let db = &server.app_state.db;
2170 let org_id = db.create_org("Test Org", "test-org").await.unwrap();
2171 db.add_org_member(org_id, client_a.current_user_id(&cx_a), false)
2172 .await
2173 .unwrap();
2174 db.add_org_member(org_id, client_b.current_user_id(&cx_b), false)
2175 .await
2176 .unwrap();
2177
2178 // Create a channel that includes all the users.
2179 let channel_id = db.create_org_channel(org_id, "test-channel").await.unwrap();
2180 db.add_channel_member(channel_id, client_a.current_user_id(&cx_a), false)
2181 .await
2182 .unwrap();
2183 db.add_channel_member(channel_id, client_b.current_user_id(&cx_b), false)
2184 .await
2185 .unwrap();
2186 db.create_channel_message(
2187 channel_id,
2188 client_b.current_user_id(&cx_b),
2189 "hello A, it's B.",
2190 OffsetDateTime::now_utc(),
2191 1,
2192 )
2193 .await
2194 .unwrap();
2195
2196 let channels_a = cx_a
2197 .add_model(|cx| ChannelList::new(client_a.user_store.clone(), client_a.clone(), cx));
2198 channels_a
2199 .condition(&mut cx_a, |list, _| list.available_channels().is_some())
2200 .await;
2201 channels_a.read_with(&cx_a, |list, _| {
2202 assert_eq!(
2203 list.available_channels().unwrap(),
2204 &[ChannelDetails {
2205 id: channel_id.to_proto(),
2206 name: "test-channel".to_string()
2207 }]
2208 )
2209 });
2210 let channel_a = channels_a.update(&mut cx_a, |this, cx| {
2211 this.get_channel(channel_id.to_proto(), cx).unwrap()
2212 });
2213 channel_a.read_with(&cx_a, |channel, _| assert!(channel.messages().is_empty()));
2214 channel_a
2215 .condition(&cx_a, |channel, _| {
2216 channel_messages(channel)
2217 == [("user_b".to_string(), "hello A, it's B.".to_string(), false)]
2218 })
2219 .await;
2220
2221 let channels_b = cx_b
2222 .add_model(|cx| ChannelList::new(client_b.user_store.clone(), client_b.clone(), cx));
2223 channels_b
2224 .condition(&mut cx_b, |list, _| list.available_channels().is_some())
2225 .await;
2226 channels_b.read_with(&cx_b, |list, _| {
2227 assert_eq!(
2228 list.available_channels().unwrap(),
2229 &[ChannelDetails {
2230 id: channel_id.to_proto(),
2231 name: "test-channel".to_string()
2232 }]
2233 )
2234 });
2235
2236 let channel_b = channels_b.update(&mut cx_b, |this, cx| {
2237 this.get_channel(channel_id.to_proto(), cx).unwrap()
2238 });
2239 channel_b.read_with(&cx_b, |channel, _| assert!(channel.messages().is_empty()));
2240 channel_b
2241 .condition(&cx_b, |channel, _| {
2242 channel_messages(channel)
2243 == [("user_b".to_string(), "hello A, it's B.".to_string(), false)]
2244 })
2245 .await;
2246
2247 channel_a
2248 .update(&mut cx_a, |channel, cx| {
2249 channel
2250 .send_message("oh, hi B.".to_string(), cx)
2251 .unwrap()
2252 .detach();
2253 let task = channel.send_message("sup".to_string(), cx).unwrap();
2254 assert_eq!(
2255 channel_messages(channel),
2256 &[
2257 ("user_b".to_string(), "hello A, it's B.".to_string(), false),
2258 ("user_a".to_string(), "oh, hi B.".to_string(), true),
2259 ("user_a".to_string(), "sup".to_string(), true)
2260 ]
2261 );
2262 task
2263 })
2264 .await
2265 .unwrap();
2266
2267 channel_b
2268 .condition(&cx_b, |channel, _| {
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(), false),
2273 ("user_a".to_string(), "sup".to_string(), false),
2274 ]
2275 })
2276 .await;
2277
2278 assert_eq!(
2279 server
2280 .state()
2281 .await
2282 .channel(channel_id)
2283 .unwrap()
2284 .connection_ids
2285 .len(),
2286 2
2287 );
2288 cx_b.update(|_| drop(channel_b));
2289 server
2290 .condition(|state| state.channel(channel_id).unwrap().connection_ids.len() == 1)
2291 .await;
2292
2293 cx_a.update(|_| drop(channel_a));
2294 server
2295 .condition(|state| state.channel(channel_id).is_none())
2296 .await;
2297 }
2298
2299 #[gpui::test]
2300 async fn test_chat_message_validation(mut cx_a: TestAppContext) {
2301 cx_a.foreground().forbid_parking();
2302
2303 let mut server = TestServer::start(cx_a.foreground()).await;
2304 let client_a = server.create_client(&mut cx_a, "user_a").await;
2305
2306 let db = &server.app_state.db;
2307 let org_id = db.create_org("Test Org", "test-org").await.unwrap();
2308 let channel_id = db.create_org_channel(org_id, "test-channel").await.unwrap();
2309 db.add_org_member(org_id, client_a.current_user_id(&cx_a), false)
2310 .await
2311 .unwrap();
2312 db.add_channel_member(channel_id, client_a.current_user_id(&cx_a), false)
2313 .await
2314 .unwrap();
2315
2316 let channels_a = cx_a
2317 .add_model(|cx| ChannelList::new(client_a.user_store.clone(), client_a.clone(), cx));
2318 channels_a
2319 .condition(&mut cx_a, |list, _| list.available_channels().is_some())
2320 .await;
2321 let channel_a = channels_a.update(&mut cx_a, |this, cx| {
2322 this.get_channel(channel_id.to_proto(), cx).unwrap()
2323 });
2324
2325 // Messages aren't allowed to be too long.
2326 channel_a
2327 .update(&mut cx_a, |channel, cx| {
2328 let long_body = "this is long.\n".repeat(1024);
2329 channel.send_message(long_body, cx).unwrap()
2330 })
2331 .await
2332 .unwrap_err();
2333
2334 // Messages aren't allowed to be blank.
2335 channel_a.update(&mut cx_a, |channel, cx| {
2336 channel.send_message(String::new(), cx).unwrap_err()
2337 });
2338
2339 // Leading and trailing whitespace are trimmed.
2340 channel_a
2341 .update(&mut cx_a, |channel, cx| {
2342 channel
2343 .send_message("\n surrounded by whitespace \n".to_string(), cx)
2344 .unwrap()
2345 })
2346 .await
2347 .unwrap();
2348 assert_eq!(
2349 db.get_channel_messages(channel_id, 10, None)
2350 .await
2351 .unwrap()
2352 .iter()
2353 .map(|m| &m.body)
2354 .collect::<Vec<_>>(),
2355 &["surrounded by whitespace"]
2356 );
2357 }
2358
2359 #[gpui::test]
2360 async fn test_chat_reconnection(mut cx_a: TestAppContext, mut cx_b: TestAppContext) {
2361 cx_a.foreground().forbid_parking();
2362
2363 // Connect to a server as 2 clients.
2364 let mut server = TestServer::start(cx_a.foreground()).await;
2365 let client_a = server.create_client(&mut cx_a, "user_a").await;
2366 let client_b = server.create_client(&mut cx_b, "user_b").await;
2367 let mut status_b = client_b.status();
2368
2369 // Create an org that includes these 2 users.
2370 let db = &server.app_state.db;
2371 let org_id = db.create_org("Test Org", "test-org").await.unwrap();
2372 db.add_org_member(org_id, client_a.current_user_id(&cx_a), false)
2373 .await
2374 .unwrap();
2375 db.add_org_member(org_id, client_b.current_user_id(&cx_b), false)
2376 .await
2377 .unwrap();
2378
2379 // Create a channel that includes all the users.
2380 let channel_id = db.create_org_channel(org_id, "test-channel").await.unwrap();
2381 db.add_channel_member(channel_id, client_a.current_user_id(&cx_a), false)
2382 .await
2383 .unwrap();
2384 db.add_channel_member(channel_id, client_b.current_user_id(&cx_b), false)
2385 .await
2386 .unwrap();
2387 db.create_channel_message(
2388 channel_id,
2389 client_b.current_user_id(&cx_b),
2390 "hello A, it's B.",
2391 OffsetDateTime::now_utc(),
2392 2,
2393 )
2394 .await
2395 .unwrap();
2396
2397 let channels_a = cx_a
2398 .add_model(|cx| ChannelList::new(client_a.user_store.clone(), client_a.clone(), cx));
2399 channels_a
2400 .condition(&mut cx_a, |list, _| list.available_channels().is_some())
2401 .await;
2402
2403 channels_a.read_with(&cx_a, |list, _| {
2404 assert_eq!(
2405 list.available_channels().unwrap(),
2406 &[ChannelDetails {
2407 id: channel_id.to_proto(),
2408 name: "test-channel".to_string()
2409 }]
2410 )
2411 });
2412 let channel_a = channels_a.update(&mut cx_a, |this, cx| {
2413 this.get_channel(channel_id.to_proto(), cx).unwrap()
2414 });
2415 channel_a.read_with(&cx_a, |channel, _| assert!(channel.messages().is_empty()));
2416 channel_a
2417 .condition(&cx_a, |channel, _| {
2418 channel_messages(channel)
2419 == [("user_b".to_string(), "hello A, it's B.".to_string(), false)]
2420 })
2421 .await;
2422
2423 let channels_b = cx_b
2424 .add_model(|cx| ChannelList::new(client_b.user_store.clone(), client_b.clone(), cx));
2425 channels_b
2426 .condition(&mut cx_b, |list, _| list.available_channels().is_some())
2427 .await;
2428 channels_b.read_with(&cx_b, |list, _| {
2429 assert_eq!(
2430 list.available_channels().unwrap(),
2431 &[ChannelDetails {
2432 id: channel_id.to_proto(),
2433 name: "test-channel".to_string()
2434 }]
2435 )
2436 });
2437
2438 let channel_b = channels_b.update(&mut cx_b, |this, cx| {
2439 this.get_channel(channel_id.to_proto(), cx).unwrap()
2440 });
2441 channel_b.read_with(&cx_b, |channel, _| assert!(channel.messages().is_empty()));
2442 channel_b
2443 .condition(&cx_b, |channel, _| {
2444 channel_messages(channel)
2445 == [("user_b".to_string(), "hello A, it's B.".to_string(), false)]
2446 })
2447 .await;
2448
2449 // Disconnect client B, ensuring we can still access its cached channel data.
2450 server.forbid_connections();
2451 server.disconnect_client(client_b.current_user_id(&cx_b));
2452 while !matches!(
2453 status_b.next().await,
2454 Some(client::Status::ReconnectionError { .. })
2455 ) {}
2456
2457 channels_b.read_with(&cx_b, |channels, _| {
2458 assert_eq!(
2459 channels.available_channels().unwrap(),
2460 [ChannelDetails {
2461 id: channel_id.to_proto(),
2462 name: "test-channel".to_string()
2463 }]
2464 )
2465 });
2466 channel_b.read_with(&cx_b, |channel, _| {
2467 assert_eq!(
2468 channel_messages(channel),
2469 [("user_b".to_string(), "hello A, it's B.".to_string(), false)]
2470 )
2471 });
2472
2473 // Send a message from client B while it is disconnected.
2474 channel_b
2475 .update(&mut cx_b, |channel, cx| {
2476 let task = channel
2477 .send_message("can you see this?".to_string(), cx)
2478 .unwrap();
2479 assert_eq!(
2480 channel_messages(channel),
2481 &[
2482 ("user_b".to_string(), "hello A, it's B.".to_string(), false),
2483 ("user_b".to_string(), "can you see this?".to_string(), true)
2484 ]
2485 );
2486 task
2487 })
2488 .await
2489 .unwrap_err();
2490
2491 // Send a message from client A while B is disconnected.
2492 channel_a
2493 .update(&mut cx_a, |channel, cx| {
2494 channel
2495 .send_message("oh, hi B.".to_string(), cx)
2496 .unwrap()
2497 .detach();
2498 let task = channel.send_message("sup".to_string(), cx).unwrap();
2499 assert_eq!(
2500 channel_messages(channel),
2501 &[
2502 ("user_b".to_string(), "hello A, it's B.".to_string(), false),
2503 ("user_a".to_string(), "oh, hi B.".to_string(), true),
2504 ("user_a".to_string(), "sup".to_string(), true)
2505 ]
2506 );
2507 task
2508 })
2509 .await
2510 .unwrap();
2511
2512 // Give client B a chance to reconnect.
2513 server.allow_connections();
2514 cx_b.foreground().advance_clock(Duration::from_secs(10));
2515
2516 // Verify that B sees the new messages upon reconnection, as well as the message client B
2517 // sent while offline.
2518 channel_b
2519 .condition(&cx_b, |channel, _| {
2520 channel_messages(channel)
2521 == [
2522 ("user_b".to_string(), "hello A, it's B.".to_string(), false),
2523 ("user_a".to_string(), "oh, hi B.".to_string(), false),
2524 ("user_a".to_string(), "sup".to_string(), false),
2525 ("user_b".to_string(), "can you see this?".to_string(), false),
2526 ]
2527 })
2528 .await;
2529
2530 // Ensure client A and B can communicate normally after reconnection.
2531 channel_a
2532 .update(&mut cx_a, |channel, cx| {
2533 channel.send_message("you online?".to_string(), cx).unwrap()
2534 })
2535 .await
2536 .unwrap();
2537 channel_b
2538 .condition(&cx_b, |channel, _| {
2539 channel_messages(channel)
2540 == [
2541 ("user_b".to_string(), "hello A, it's B.".to_string(), false),
2542 ("user_a".to_string(), "oh, hi B.".to_string(), false),
2543 ("user_a".to_string(), "sup".to_string(), false),
2544 ("user_b".to_string(), "can you see this?".to_string(), false),
2545 ("user_a".to_string(), "you online?".to_string(), false),
2546 ]
2547 })
2548 .await;
2549
2550 channel_b
2551 .update(&mut cx_b, |channel, cx| {
2552 channel.send_message("yep".to_string(), cx).unwrap()
2553 })
2554 .await
2555 .unwrap();
2556 channel_a
2557 .condition(&cx_a, |channel, _| {
2558 channel_messages(channel)
2559 == [
2560 ("user_b".to_string(), "hello A, it's B.".to_string(), false),
2561 ("user_a".to_string(), "oh, hi B.".to_string(), false),
2562 ("user_a".to_string(), "sup".to_string(), false),
2563 ("user_b".to_string(), "can you see this?".to_string(), false),
2564 ("user_a".to_string(), "you online?".to_string(), false),
2565 ("user_b".to_string(), "yep".to_string(), false),
2566 ]
2567 })
2568 .await;
2569 }
2570
2571 #[gpui::test]
2572 async fn test_contacts(
2573 mut cx_a: TestAppContext,
2574 mut cx_b: TestAppContext,
2575 mut cx_c: TestAppContext,
2576 ) {
2577 cx_a.foreground().forbid_parking();
2578 let lang_registry = Arc::new(LanguageRegistry::new());
2579 let fs = Arc::new(FakeFs::new());
2580
2581 // Connect to a server as 3 clients.
2582 let mut server = TestServer::start(cx_a.foreground()).await;
2583 let client_a = server.create_client(&mut cx_a, "user_a").await;
2584 let client_b = server.create_client(&mut cx_b, "user_b").await;
2585 let client_c = server.create_client(&mut cx_c, "user_c").await;
2586
2587 // Share a worktree as client A.
2588 fs.insert_tree(
2589 "/a",
2590 json!({
2591 ".zed.toml": r#"collaborators = ["user_b", "user_c"]"#,
2592 }),
2593 )
2594 .await;
2595
2596 let project_a = cx_a.update(|cx| {
2597 Project::local(
2598 client_a.clone(),
2599 client_a.user_store.clone(),
2600 lang_registry.clone(),
2601 fs.clone(),
2602 cx,
2603 )
2604 });
2605 let worktree_a = project_a
2606 .update(&mut cx_a, |p, cx| p.add_local_worktree("/a", cx))
2607 .await
2608 .unwrap();
2609 worktree_a
2610 .read_with(&cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
2611 .await;
2612
2613 client_a
2614 .user_store
2615 .condition(&cx_a, |user_store, _| {
2616 contacts(user_store) == vec![("user_a", vec![("a", vec![])])]
2617 })
2618 .await;
2619 client_b
2620 .user_store
2621 .condition(&cx_b, |user_store, _| {
2622 contacts(user_store) == vec![("user_a", vec![("a", vec![])])]
2623 })
2624 .await;
2625 client_c
2626 .user_store
2627 .condition(&cx_c, |user_store, _| {
2628 contacts(user_store) == vec![("user_a", vec![("a", vec![])])]
2629 })
2630 .await;
2631
2632 let project_id = project_a
2633 .update(&mut cx_a, |project, _| project.next_remote_id())
2634 .await;
2635 project_a
2636 .update(&mut cx_a, |project, cx| project.share(cx))
2637 .await
2638 .unwrap();
2639
2640 let _project_b = Project::remote(
2641 project_id,
2642 client_b.clone(),
2643 client_b.user_store.clone(),
2644 lang_registry.clone(),
2645 fs.clone(),
2646 &mut cx_b.to_async(),
2647 )
2648 .await
2649 .unwrap();
2650
2651 client_a
2652 .user_store
2653 .condition(&cx_a, |user_store, _| {
2654 contacts(user_store) == vec![("user_a", vec![("a", vec!["user_b"])])]
2655 })
2656 .await;
2657 client_b
2658 .user_store
2659 .condition(&cx_b, |user_store, _| {
2660 contacts(user_store) == vec![("user_a", vec![("a", vec!["user_b"])])]
2661 })
2662 .await;
2663 client_c
2664 .user_store
2665 .condition(&cx_c, |user_store, _| {
2666 contacts(user_store) == vec![("user_a", vec![("a", vec!["user_b"])])]
2667 })
2668 .await;
2669
2670 project_a
2671 .condition(&cx_a, |project, _| {
2672 project.collaborators().contains_key(&client_b.peer_id)
2673 })
2674 .await;
2675
2676 cx_a.update(move |_| drop(project_a));
2677 client_a
2678 .user_store
2679 .condition(&cx_a, |user_store, _| contacts(user_store) == vec![])
2680 .await;
2681 client_b
2682 .user_store
2683 .condition(&cx_b, |user_store, _| contacts(user_store) == vec![])
2684 .await;
2685 client_c
2686 .user_store
2687 .condition(&cx_c, |user_store, _| contacts(user_store) == vec![])
2688 .await;
2689
2690 fn contacts(user_store: &UserStore) -> Vec<(&str, Vec<(&str, Vec<&str>)>)> {
2691 user_store
2692 .contacts()
2693 .iter()
2694 .map(|contact| {
2695 let worktrees = contact
2696 .projects
2697 .iter()
2698 .map(|p| {
2699 (
2700 p.worktree_root_names[0].as_str(),
2701 p.guests.iter().map(|p| p.github_login.as_str()).collect(),
2702 )
2703 })
2704 .collect();
2705 (contact.user.github_login.as_str(), worktrees)
2706 })
2707 .collect()
2708 }
2709 }
2710
2711 struct TestServer {
2712 peer: Arc<Peer>,
2713 app_state: Arc<AppState>,
2714 server: Arc<Server>,
2715 foreground: Rc<executor::Foreground>,
2716 notifications: mpsc::Receiver<()>,
2717 connection_killers: Arc<Mutex<HashMap<UserId, watch::Sender<Option<()>>>>>,
2718 forbid_connections: Arc<AtomicBool>,
2719 _test_db: TestDb,
2720 }
2721
2722 impl TestServer {
2723 async fn start(foreground: Rc<executor::Foreground>) -> Self {
2724 let test_db = TestDb::new();
2725 let app_state = Self::build_app_state(&test_db).await;
2726 let peer = Peer::new();
2727 let notifications = mpsc::channel(128);
2728 let server = Server::new(app_state.clone(), peer.clone(), Some(notifications.0));
2729 Self {
2730 peer,
2731 app_state,
2732 server,
2733 foreground,
2734 notifications: notifications.1,
2735 connection_killers: Default::default(),
2736 forbid_connections: Default::default(),
2737 _test_db: test_db,
2738 }
2739 }
2740
2741 async fn create_client(&mut self, cx: &mut TestAppContext, name: &str) -> TestClient {
2742 let http = FakeHttpClient::with_404_response();
2743 let user_id = self.app_state.db.create_user(name, false).await.unwrap();
2744 let client_name = name.to_string();
2745 let mut client = Client::new(http.clone());
2746 let server = self.server.clone();
2747 let connection_killers = self.connection_killers.clone();
2748 let forbid_connections = self.forbid_connections.clone();
2749 let (connection_id_tx, mut connection_id_rx) = postage::mpsc::channel(16);
2750
2751 Arc::get_mut(&mut client)
2752 .unwrap()
2753 .override_authenticate(move |cx| {
2754 cx.spawn(|_| async move {
2755 let access_token = "the-token".to_string();
2756 Ok(Credentials {
2757 user_id: user_id.0 as u64,
2758 access_token,
2759 })
2760 })
2761 })
2762 .override_establish_connection(move |credentials, cx| {
2763 assert_eq!(credentials.user_id, user_id.0 as u64);
2764 assert_eq!(credentials.access_token, "the-token");
2765
2766 let server = server.clone();
2767 let connection_killers = connection_killers.clone();
2768 let forbid_connections = forbid_connections.clone();
2769 let client_name = client_name.clone();
2770 let connection_id_tx = connection_id_tx.clone();
2771 cx.spawn(move |cx| async move {
2772 if forbid_connections.load(SeqCst) {
2773 Err(EstablishConnectionError::other(anyhow!(
2774 "server is forbidding connections"
2775 )))
2776 } else {
2777 let (client_conn, server_conn, kill_conn) = Connection::in_memory();
2778 connection_killers.lock().insert(user_id, kill_conn);
2779 cx.background()
2780 .spawn(server.handle_connection(
2781 server_conn,
2782 client_name,
2783 user_id,
2784 Some(connection_id_tx),
2785 ))
2786 .detach();
2787 Ok(client_conn)
2788 }
2789 })
2790 });
2791
2792 client
2793 .authenticate_and_connect(&cx.to_async())
2794 .await
2795 .unwrap();
2796
2797 let peer_id = PeerId(connection_id_rx.next().await.unwrap().0);
2798 let user_store = cx.add_model(|cx| UserStore::new(client.clone(), http, cx));
2799 let mut authed_user =
2800 user_store.read_with(cx, |user_store, _| user_store.watch_current_user());
2801 while authed_user.next().await.unwrap().is_none() {}
2802
2803 TestClient {
2804 client,
2805 peer_id,
2806 user_store,
2807 }
2808 }
2809
2810 fn disconnect_client(&self, user_id: UserId) {
2811 if let Some(mut kill_conn) = self.connection_killers.lock().remove(&user_id) {
2812 let _ = kill_conn.try_send(Some(()));
2813 }
2814 }
2815
2816 fn forbid_connections(&self) {
2817 self.forbid_connections.store(true, SeqCst);
2818 }
2819
2820 fn allow_connections(&self) {
2821 self.forbid_connections.store(false, SeqCst);
2822 }
2823
2824 async fn build_app_state(test_db: &TestDb) -> Arc<AppState> {
2825 let mut config = Config::default();
2826 config.session_secret = "a".repeat(32);
2827 config.database_url = test_db.url.clone();
2828 let github_client = github::AppClient::test();
2829 Arc::new(AppState {
2830 db: test_db.db().clone(),
2831 handlebars: Default::default(),
2832 auth_client: auth::build_client("", ""),
2833 repo_client: github::RepoClient::test(&github_client),
2834 github_client,
2835 config,
2836 })
2837 }
2838
2839 async fn state<'a>(&'a self) -> RwLockReadGuard<'a, Store> {
2840 self.server.store.read()
2841 }
2842
2843 async fn condition<F>(&mut self, mut predicate: F)
2844 where
2845 F: FnMut(&Store) -> bool,
2846 {
2847 async_std::future::timeout(Duration::from_millis(500), async {
2848 while !(predicate)(&*self.server.store.read()) {
2849 self.foreground.start_waiting();
2850 self.notifications.next().await;
2851 self.foreground.finish_waiting();
2852 }
2853 })
2854 .await
2855 .expect("condition timed out");
2856 }
2857 }
2858
2859 impl Drop for TestServer {
2860 fn drop(&mut self) {
2861 self.peer.reset();
2862 }
2863 }
2864
2865 struct TestClient {
2866 client: Arc<Client>,
2867 pub peer_id: PeerId,
2868 pub user_store: ModelHandle<UserStore>,
2869 }
2870
2871 impl Deref for TestClient {
2872 type Target = Arc<Client>;
2873
2874 fn deref(&self) -> &Self::Target {
2875 &self.client
2876 }
2877 }
2878
2879 impl TestClient {
2880 pub fn current_user_id(&self, cx: &TestAppContext) -> UserId {
2881 UserId::from_proto(
2882 self.user_store
2883 .read_with(cx, |user_store, _| user_store.current_user().unwrap().id),
2884 )
2885 }
2886 }
2887
2888 fn channel_messages(channel: &Channel) -> Vec<(String, String, bool)> {
2889 channel
2890 .messages()
2891 .cursor::<()>()
2892 .map(|m| {
2893 (
2894 m.sender.github_login.clone(),
2895 m.body.clone(),
2896 m.is_pending(),
2897 )
2898 })
2899 .collect()
2900 }
2901
2902 struct EmptyView;
2903
2904 impl gpui::Entity for EmptyView {
2905 type Event = ();
2906 }
2907
2908 impl gpui::View for EmptyView {
2909 fn ui_name() -> &'static str {
2910 "empty view"
2911 }
2912
2913 fn render(&mut self, _: &mut gpui::RenderContext<Self>) -> gpui::ElementBox {
2914 gpui::Element::boxed(gpui::elements::Empty)
2915 }
2916 }
2917}