1mod store;
2
3use crate::{
4 auth,
5 db::{ChannelId, MessageId, UserId},
6 AppState, Result,
7};
8use anyhow::anyhow;
9use async_tungstenite::tungstenite::{
10 protocol::CloseFrame as TungsteniteCloseFrame, Message as TungsteniteMessage,
11};
12use axum::{
13 body::Body,
14 extract::{
15 ws::{CloseFrame as AxumCloseFrame, Message as AxumMessage},
16 ConnectInfo, WebSocketUpgrade,
17 },
18 headers::{Header, HeaderName},
19 http::StatusCode,
20 middleware,
21 response::IntoResponse,
22 routing::get,
23 Extension, Router, TypedHeader,
24};
25use collections::HashMap;
26use futures::{channel::mpsc, future::BoxFuture, FutureExt, SinkExt, StreamExt, TryStreamExt};
27use lazy_static::lazy_static;
28use rpc::{
29 proto::{self, AnyTypedEnvelope, EntityMessage, EnvelopedMessage, RequestMessage},
30 Connection, ConnectionId, Peer, Receipt, TypedEnvelope,
31};
32use std::{
33 any::TypeId,
34 future::Future,
35 marker::PhantomData,
36 net::SocketAddr,
37 ops::{Deref, DerefMut},
38 rc::Rc,
39 sync::{
40 atomic::{AtomicBool, Ordering::SeqCst},
41 Arc,
42 },
43 time::Duration,
44};
45use store::{Store, Worktree};
46use time::OffsetDateTime;
47use tokio::{
48 sync::{RwLock, RwLockReadGuard, RwLockWriteGuard},
49 time::Sleep,
50};
51use tower::ServiceBuilder;
52use tracing::{info_span, Instrument};
53
54type MessageHandler =
55 Box<dyn Send + Sync + Fn(Arc<Server>, Box<dyn AnyTypedEnvelope>) -> BoxFuture<'static, ()>>;
56
57struct Response<R> {
58 server: Arc<Server>,
59 receipt: Receipt<R>,
60 responded: Arc<AtomicBool>,
61}
62
63impl<R: RequestMessage> Response<R> {
64 fn send(self, payload: R::Response) -> Result<()> {
65 self.responded.store(true, SeqCst);
66 self.server.peer.respond(self.receipt, payload)?;
67 Ok(())
68 }
69}
70
71pub struct Server {
72 peer: Arc<Peer>,
73 store: RwLock<Store>,
74 app_state: Arc<AppState>,
75 handlers: HashMap<TypeId, MessageHandler>,
76 notifications: Option<mpsc::UnboundedSender<()>>,
77}
78
79pub trait Executor: Send + Clone {
80 type Sleep: Send + Future;
81 fn spawn_detached<F: 'static + Send + Future<Output = ()>>(&self, future: F);
82 fn sleep(&self, duration: Duration) -> Self::Sleep;
83}
84
85#[derive(Clone)]
86pub struct RealExecutor;
87
88const MESSAGE_COUNT_PER_PAGE: usize = 100;
89const MAX_MESSAGE_LEN: usize = 1024;
90
91struct StoreReadGuard<'a> {
92 guard: RwLockReadGuard<'a, Store>,
93 _not_send: PhantomData<Rc<()>>,
94}
95
96struct StoreWriteGuard<'a> {
97 guard: RwLockWriteGuard<'a, Store>,
98 _not_send: PhantomData<Rc<()>>,
99}
100
101impl Server {
102 pub fn new(
103 app_state: Arc<AppState>,
104 notifications: Option<mpsc::UnboundedSender<()>>,
105 ) -> Arc<Self> {
106 let mut server = Self {
107 peer: Peer::new(),
108 app_state,
109 store: Default::default(),
110 handlers: Default::default(),
111 notifications,
112 };
113
114 server
115 .add_request_handler(Server::ping)
116 .add_request_handler(Server::register_project)
117 .add_message_handler(Server::unregister_project)
118 .add_request_handler(Server::share_project)
119 .add_message_handler(Server::unshare_project)
120 .add_request_handler(Server::join_project)
121 .add_message_handler(Server::leave_project)
122 .add_request_handler(Server::register_worktree)
123 .add_message_handler(Server::unregister_worktree)
124 .add_request_handler(Server::update_worktree)
125 .add_message_handler(Server::start_language_server)
126 .add_message_handler(Server::update_language_server)
127 .add_message_handler(Server::update_diagnostic_summary)
128 .add_request_handler(Server::forward_project_request::<proto::GetDefinition>)
129 .add_request_handler(Server::forward_project_request::<proto::GetReferences>)
130 .add_request_handler(Server::forward_project_request::<proto::SearchProject>)
131 .add_request_handler(Server::forward_project_request::<proto::GetDocumentHighlights>)
132 .add_request_handler(Server::forward_project_request::<proto::GetProjectSymbols>)
133 .add_request_handler(Server::forward_project_request::<proto::OpenBufferForSymbol>)
134 .add_request_handler(Server::forward_project_request::<proto::OpenBufferById>)
135 .add_request_handler(Server::forward_project_request::<proto::OpenBufferByPath>)
136 .add_request_handler(Server::forward_project_request::<proto::GetCompletions>)
137 .add_request_handler(
138 Server::forward_project_request::<proto::ApplyCompletionAdditionalEdits>,
139 )
140 .add_request_handler(Server::forward_project_request::<proto::GetCodeActions>)
141 .add_request_handler(Server::forward_project_request::<proto::ApplyCodeAction>)
142 .add_request_handler(Server::forward_project_request::<proto::PrepareRename>)
143 .add_request_handler(Server::forward_project_request::<proto::PerformRename>)
144 .add_request_handler(Server::forward_project_request::<proto::ReloadBuffers>)
145 .add_request_handler(Server::forward_project_request::<proto::FormatBuffers>)
146 .add_request_handler(Server::forward_project_request::<proto::CreateProjectEntry>)
147 .add_request_handler(Server::forward_project_request::<proto::RenameProjectEntry>)
148 .add_request_handler(Server::forward_project_request::<proto::DeleteProjectEntry>)
149 .add_request_handler(Server::update_buffer)
150 .add_message_handler(Server::update_buffer_file)
151 .add_message_handler(Server::buffer_reloaded)
152 .add_message_handler(Server::buffer_saved)
153 .add_request_handler(Server::save_buffer)
154 .add_request_handler(Server::get_channels)
155 .add_request_handler(Server::get_users)
156 .add_request_handler(Server::fuzzy_search_users)
157 .add_request_handler(Server::request_contact)
158 .add_request_handler(Server::remove_contact)
159 .add_request_handler(Server::respond_to_contact_request)
160 .add_request_handler(Server::join_channel)
161 .add_message_handler(Server::leave_channel)
162 .add_request_handler(Server::send_channel_message)
163 .add_request_handler(Server::follow)
164 .add_message_handler(Server::unfollow)
165 .add_message_handler(Server::update_followers)
166 .add_request_handler(Server::get_channel_messages);
167
168 Arc::new(server)
169 }
170
171 fn add_message_handler<F, Fut, M>(&mut self, handler: F) -> &mut Self
172 where
173 F: 'static + Send + Sync + Fn(Arc<Self>, TypedEnvelope<M>) -> Fut,
174 Fut: 'static + Send + Future<Output = Result<()>>,
175 M: EnvelopedMessage,
176 {
177 let prev_handler = self.handlers.insert(
178 TypeId::of::<M>(),
179 Box::new(move |server, envelope| {
180 let envelope = envelope.into_any().downcast::<TypedEnvelope<M>>().unwrap();
181 let span = info_span!(
182 "handle message",
183 payload_type = envelope.payload_type_name(),
184 payload = format!("{:?}", envelope.payload).as_str(),
185 );
186 let future = (handler)(server, *envelope);
187 async move {
188 if let Err(error) = future.await {
189 tracing::error!(%error, "error handling message");
190 }
191 }
192 .instrument(span)
193 .boxed()
194 }),
195 );
196 if prev_handler.is_some() {
197 panic!("registered a handler for the same message twice");
198 }
199 self
200 }
201
202 /// Handle a request while holding a lock to the store. This is useful when we're registering
203 /// a connection but we want to respond on the connection before anybody else can send on it.
204 fn add_request_handler<F, Fut, M>(&mut self, handler: F) -> &mut Self
205 where
206 F: 'static + Send + Sync + Fn(Arc<Self>, TypedEnvelope<M>, Response<M>) -> Fut,
207 Fut: Send + Future<Output = Result<()>>,
208 M: RequestMessage,
209 {
210 let handler = Arc::new(handler);
211 self.add_message_handler(move |server, envelope| {
212 let receipt = envelope.receipt();
213 let handler = handler.clone();
214 async move {
215 let responded = Arc::new(AtomicBool::default());
216 let response = Response {
217 server: server.clone(),
218 responded: responded.clone(),
219 receipt: envelope.receipt(),
220 };
221 match (handler)(server.clone(), envelope, response).await {
222 Ok(()) => {
223 if responded.load(std::sync::atomic::Ordering::SeqCst) {
224 Ok(())
225 } else {
226 Err(anyhow!("handler did not send a response"))?
227 }
228 }
229 Err(error) => {
230 server.peer.respond_with_error(
231 receipt,
232 proto::Error {
233 message: error.to_string(),
234 },
235 )?;
236 Err(error)
237 }
238 }
239 }
240 })
241 }
242
243 pub fn handle_connection<E: Executor>(
244 self: &Arc<Self>,
245 connection: Connection,
246 address: String,
247 user_id: UserId,
248 mut send_connection_id: Option<mpsc::Sender<ConnectionId>>,
249 executor: E,
250 ) -> impl Future<Output = Result<()>> {
251 let mut this = self.clone();
252 let span = info_span!("handle connection", %user_id, %address);
253 async move {
254 let (connection_id, handle_io, mut incoming_rx) = this
255 .peer
256 .add_connection(connection, {
257 let executor = executor.clone();
258 move |duration| {
259 let timer = executor.sleep(duration);
260 async move {
261 timer.await;
262 }
263 }
264 })
265 .await;
266
267 tracing::info!(%user_id, %connection_id, %address, "connection opened");
268
269 if let Some(send_connection_id) = send_connection_id.as_mut() {
270 let _ = send_connection_id.send(connection_id).await;
271 }
272
273 let contacts = this.app_state.db.get_contacts(user_id).await?;
274
275 {
276 let mut store = this.store_mut().await;
277 store.add_connection(connection_id, user_id);
278 this.peer.send(connection_id, store.build_initial_contacts_update(contacts))?;
279 }
280 this.update_user_contacts(user_id).await?;
281
282 let handle_io = handle_io.fuse();
283 futures::pin_mut!(handle_io);
284 loop {
285 let next_message = incoming_rx.next().fuse();
286 futures::pin_mut!(next_message);
287 futures::select_biased! {
288 result = handle_io => {
289 if let Err(error) = result {
290 tracing::error!(%error, "error handling I/O");
291 }
292 break;
293 }
294 message = next_message => {
295 if let Some(message) = message {
296 let type_name = message.payload_type_name();
297 let span = tracing::info_span!("receive message", %user_id, %connection_id, %address, type_name);
298 async {
299 if let Some(handler) = this.handlers.get(&message.payload_type_id()) {
300 let notifications = this.notifications.clone();
301 let is_background = message.is_background();
302 let handle_message = (handler)(this.clone(), message);
303 let handle_message = async move {
304 handle_message.await;
305 if let Some(mut notifications) = notifications {
306 let _ = notifications.send(()).await;
307 }
308 };
309 if is_background {
310 executor.spawn_detached(handle_message);
311 } else {
312 handle_message.await;
313 }
314 } else {
315 tracing::error!("no message handler");
316 }
317 }.instrument(span).await;
318 } else {
319 tracing::info!(%user_id, %connection_id, %address, "connection closed");
320 break;
321 }
322 }
323 }
324 }
325
326 if let Err(error) = this.sign_out(connection_id).await {
327 tracing::error!(%error, "error signing out");
328 }
329
330 Ok(())
331 }.instrument(span)
332 }
333
334 async fn sign_out(self: &mut Arc<Self>, connection_id: ConnectionId) -> Result<()> {
335 self.peer.disconnect(connection_id);
336 let removed_connection = self.store_mut().await.remove_connection(connection_id)?;
337
338 for (project_id, project) in removed_connection.hosted_projects {
339 if let Some(share) = project.share {
340 broadcast(connection_id, share.guests.keys().copied(), |conn_id| {
341 self.peer
342 .send(conn_id, proto::UnshareProject { project_id })
343 });
344 }
345 }
346
347 for (project_id, peer_ids) in removed_connection.guest_project_ids {
348 broadcast(connection_id, peer_ids, |conn_id| {
349 self.peer.send(
350 conn_id,
351 proto::RemoveProjectCollaborator {
352 project_id,
353 peer_id: connection_id.0,
354 },
355 )
356 });
357 }
358
359 self.update_user_contacts(removed_connection.user_id)
360 .await?;
361
362 Ok(())
363 }
364
365 async fn ping(
366 self: Arc<Server>,
367 _: TypedEnvelope<proto::Ping>,
368 response: Response<proto::Ping>,
369 ) -> Result<()> {
370 response.send(proto::Ack {})?;
371 Ok(())
372 }
373
374 async fn register_project(
375 self: Arc<Server>,
376 request: TypedEnvelope<proto::RegisterProject>,
377 response: Response<proto::RegisterProject>,
378 ) -> Result<()> {
379 let user_id;
380 let project_id;
381 {
382 let mut state = self.store_mut().await;
383 user_id = state.user_id_for_connection(request.sender_id)?;
384 project_id = state.register_project(request.sender_id, user_id);
385 };
386 self.update_user_contacts(user_id).await?;
387 response.send(proto::RegisterProjectResponse { project_id })?;
388 Ok(())
389 }
390
391 async fn unregister_project(
392 self: Arc<Server>,
393 request: TypedEnvelope<proto::UnregisterProject>,
394 ) -> Result<()> {
395 let user_id = {
396 let mut state = self.store_mut().await;
397 state.unregister_project(request.payload.project_id, request.sender_id)?;
398 state.user_id_for_connection(request.sender_id)?
399 };
400
401 self.update_user_contacts(user_id).await?;
402 Ok(())
403 }
404
405 async fn share_project(
406 self: Arc<Server>,
407 request: TypedEnvelope<proto::ShareProject>,
408 response: Response<proto::ShareProject>,
409 ) -> Result<()> {
410 let user_id = {
411 let mut state = self.store_mut().await;
412 state.share_project(request.payload.project_id, request.sender_id)?;
413 state.user_id_for_connection(request.sender_id)?
414 };
415 self.update_user_contacts(user_id).await?;
416 response.send(proto::Ack {})?;
417 Ok(())
418 }
419
420 async fn update_user_contacts(self: &Arc<Server>, user_id: UserId) -> Result<()> {
421 let contacts = self.app_state.db.get_contacts(user_id).await?;
422 let store = self.store().await;
423 let updated_contact = store.contact_for_user(user_id);
424 for contact_user_id in contacts.current {
425 for contact_conn_id in store.connection_ids_for_user(contact_user_id) {
426 self.peer
427 .send(
428 contact_conn_id,
429 proto::UpdateContacts {
430 contacts: vec![updated_contact.clone()],
431 remove_contacts: Default::default(),
432 incoming_requests: Default::default(),
433 remove_incoming_requests: Default::default(),
434 outgoing_requests: Default::default(),
435 remove_outgoing_requests: Default::default(),
436 },
437 )
438 .trace_err();
439 }
440 }
441 Ok(())
442 }
443
444 async fn unshare_project(
445 self: Arc<Server>,
446 request: TypedEnvelope<proto::UnshareProject>,
447 ) -> Result<()> {
448 let project_id = request.payload.project_id;
449 let project;
450 {
451 let mut state = self.store_mut().await;
452 project = state.unshare_project(project_id, request.sender_id)?;
453 broadcast(request.sender_id, project.connection_ids, |conn_id| {
454 self.peer
455 .send(conn_id, proto::UnshareProject { project_id })
456 });
457 }
458 self.update_user_contacts(project.host_user_id).await?;
459 Ok(())
460 }
461
462 async fn join_project(
463 self: Arc<Server>,
464 request: TypedEnvelope<proto::JoinProject>,
465 response: Response<proto::JoinProject>,
466 ) -> Result<()> {
467 let project_id = request.payload.project_id;
468 let host_user_id;
469 let guest_user_id;
470 {
471 let state = self.store().await;
472 host_user_id = state.project(project_id)?.host_user_id;
473 guest_user_id = state.user_id_for_connection(request.sender_id)?;
474 };
475
476 let guest_contacts = self.app_state.db.get_contacts(guest_user_id).await?;
477 if !guest_contacts.current.contains(&host_user_id) {
478 return Err(anyhow!("no such project"))?;
479 }
480
481 {
482 let state = &mut *self.store_mut().await;
483 let joined = state.join_project(request.sender_id, guest_user_id, project_id)?;
484 let share = joined.project.share()?;
485 let peer_count = share.guests.len();
486 let mut collaborators = Vec::with_capacity(peer_count);
487 collaborators.push(proto::Collaborator {
488 peer_id: joined.project.host_connection_id.0,
489 replica_id: 0,
490 user_id: joined.project.host_user_id.to_proto(),
491 });
492 let worktrees = share
493 .worktrees
494 .iter()
495 .filter_map(|(id, shared_worktree)| {
496 let worktree = joined.project.worktrees.get(&id)?;
497 Some(proto::Worktree {
498 id: *id,
499 root_name: worktree.root_name.clone(),
500 entries: shared_worktree.entries.values().cloned().collect(),
501 diagnostic_summaries: shared_worktree
502 .diagnostic_summaries
503 .values()
504 .cloned()
505 .collect(),
506 visible: worktree.visible,
507 scan_id: shared_worktree.scan_id,
508 })
509 })
510 .collect();
511 for (peer_conn_id, (peer_replica_id, peer_user_id)) in &share.guests {
512 if *peer_conn_id != request.sender_id {
513 collaborators.push(proto::Collaborator {
514 peer_id: peer_conn_id.0,
515 replica_id: *peer_replica_id as u32,
516 user_id: peer_user_id.to_proto(),
517 });
518 }
519 }
520 broadcast(
521 request.sender_id,
522 joined.project.connection_ids(),
523 |conn_id| {
524 self.peer.send(
525 conn_id,
526 proto::AddProjectCollaborator {
527 project_id,
528 collaborator: Some(proto::Collaborator {
529 peer_id: request.sender_id.0,
530 replica_id: joined.replica_id as u32,
531 user_id: guest_user_id.to_proto(),
532 }),
533 },
534 )
535 },
536 );
537 response.send(proto::JoinProjectResponse {
538 worktrees,
539 replica_id: joined.replica_id as u32,
540 collaborators,
541 language_servers: joined.project.language_servers.clone(),
542 })?;
543 }
544 self.update_user_contacts(host_user_id).await?;
545 Ok(())
546 }
547
548 async fn leave_project(
549 self: Arc<Server>,
550 request: TypedEnvelope<proto::LeaveProject>,
551 ) -> Result<()> {
552 let sender_id = request.sender_id;
553 let project_id = request.payload.project_id;
554 let project;
555 {
556 let mut state = self.store_mut().await;
557 project = state.leave_project(sender_id, project_id)?;
558 broadcast(sender_id, project.connection_ids, |conn_id| {
559 self.peer.send(
560 conn_id,
561 proto::RemoveProjectCollaborator {
562 project_id,
563 peer_id: sender_id.0,
564 },
565 )
566 });
567 }
568 self.update_user_contacts(project.host_user_id).await?;
569 Ok(())
570 }
571
572 async fn register_worktree(
573 self: Arc<Server>,
574 request: TypedEnvelope<proto::RegisterWorktree>,
575 response: Response<proto::RegisterWorktree>,
576 ) -> Result<()> {
577 let host_user_id;
578 {
579 let mut state = self.store_mut().await;
580 host_user_id = state.user_id_for_connection(request.sender_id)?;
581
582 let guest_connection_ids = state
583 .read_project(request.payload.project_id, request.sender_id)?
584 .guest_connection_ids();
585 state.register_worktree(
586 request.payload.project_id,
587 request.payload.worktree_id,
588 request.sender_id,
589 Worktree {
590 root_name: request.payload.root_name.clone(),
591 visible: request.payload.visible,
592 },
593 )?;
594
595 broadcast(request.sender_id, guest_connection_ids, |connection_id| {
596 self.peer
597 .forward_send(request.sender_id, connection_id, request.payload.clone())
598 });
599 }
600 self.update_user_contacts(host_user_id).await?;
601 response.send(proto::Ack {})?;
602 Ok(())
603 }
604
605 async fn unregister_worktree(
606 self: Arc<Server>,
607 request: TypedEnvelope<proto::UnregisterWorktree>,
608 ) -> Result<()> {
609 let host_user_id;
610 let project_id = request.payload.project_id;
611 let worktree_id = request.payload.worktree_id;
612 {
613 let mut state = self.store_mut().await;
614 let (_, guest_connection_ids) =
615 state.unregister_worktree(project_id, worktree_id, request.sender_id)?;
616 host_user_id = state.user_id_for_connection(request.sender_id)?;
617 broadcast(request.sender_id, guest_connection_ids, |conn_id| {
618 self.peer.send(
619 conn_id,
620 proto::UnregisterWorktree {
621 project_id,
622 worktree_id,
623 },
624 )
625 });
626 }
627 self.update_user_contacts(host_user_id).await?;
628 Ok(())
629 }
630
631 async fn update_worktree(
632 self: Arc<Server>,
633 request: TypedEnvelope<proto::UpdateWorktree>,
634 response: Response<proto::UpdateWorktree>,
635 ) -> Result<()> {
636 let connection_ids = self.store_mut().await.update_worktree(
637 request.sender_id,
638 request.payload.project_id,
639 request.payload.worktree_id,
640 &request.payload.removed_entries,
641 &request.payload.updated_entries,
642 request.payload.scan_id,
643 )?;
644
645 broadcast(request.sender_id, connection_ids, |connection_id| {
646 self.peer
647 .forward_send(request.sender_id, connection_id, request.payload.clone())
648 });
649 response.send(proto::Ack {})?;
650 Ok(())
651 }
652
653 async fn update_diagnostic_summary(
654 self: Arc<Server>,
655 request: TypedEnvelope<proto::UpdateDiagnosticSummary>,
656 ) -> Result<()> {
657 let summary = request
658 .payload
659 .summary
660 .clone()
661 .ok_or_else(|| anyhow!("invalid summary"))?;
662 let receiver_ids = self.store_mut().await.update_diagnostic_summary(
663 request.payload.project_id,
664 request.payload.worktree_id,
665 request.sender_id,
666 summary,
667 )?;
668
669 broadcast(request.sender_id, receiver_ids, |connection_id| {
670 self.peer
671 .forward_send(request.sender_id, connection_id, request.payload.clone())
672 });
673 Ok(())
674 }
675
676 async fn start_language_server(
677 self: Arc<Server>,
678 request: TypedEnvelope<proto::StartLanguageServer>,
679 ) -> Result<()> {
680 let receiver_ids = self.store_mut().await.start_language_server(
681 request.payload.project_id,
682 request.sender_id,
683 request
684 .payload
685 .server
686 .clone()
687 .ok_or_else(|| anyhow!("invalid language server"))?,
688 )?;
689 broadcast(request.sender_id, receiver_ids, |connection_id| {
690 self.peer
691 .forward_send(request.sender_id, connection_id, request.payload.clone())
692 });
693 Ok(())
694 }
695
696 async fn update_language_server(
697 self: Arc<Server>,
698 request: TypedEnvelope<proto::UpdateLanguageServer>,
699 ) -> Result<()> {
700 let receiver_ids = self
701 .store()
702 .await
703 .project_connection_ids(request.payload.project_id, request.sender_id)?;
704 broadcast(request.sender_id, receiver_ids, |connection_id| {
705 self.peer
706 .forward_send(request.sender_id, connection_id, request.payload.clone())
707 });
708 Ok(())
709 }
710
711 async fn forward_project_request<T>(
712 self: Arc<Server>,
713 request: TypedEnvelope<T>,
714 response: Response<T>,
715 ) -> Result<()>
716 where
717 T: EntityMessage + RequestMessage,
718 {
719 let host_connection_id = self
720 .store()
721 .await
722 .read_project(request.payload.remote_entity_id(), request.sender_id)?
723 .host_connection_id;
724
725 response.send(
726 self.peer
727 .forward_request(request.sender_id, host_connection_id, request.payload)
728 .await?,
729 )?;
730 Ok(())
731 }
732
733 async fn save_buffer(
734 self: Arc<Server>,
735 request: TypedEnvelope<proto::SaveBuffer>,
736 response: Response<proto::SaveBuffer>,
737 ) -> Result<()> {
738 let host = self
739 .store()
740 .await
741 .read_project(request.payload.project_id, request.sender_id)?
742 .host_connection_id;
743 let response_payload = self
744 .peer
745 .forward_request(request.sender_id, host, request.payload.clone())
746 .await?;
747
748 let mut guests = self
749 .store()
750 .await
751 .read_project(request.payload.project_id, request.sender_id)?
752 .connection_ids();
753 guests.retain(|guest_connection_id| *guest_connection_id != request.sender_id);
754 broadcast(host, guests, |conn_id| {
755 self.peer
756 .forward_send(host, conn_id, response_payload.clone())
757 });
758 response.send(response_payload)?;
759 Ok(())
760 }
761
762 async fn update_buffer(
763 self: Arc<Server>,
764 request: TypedEnvelope<proto::UpdateBuffer>,
765 response: Response<proto::UpdateBuffer>,
766 ) -> Result<()> {
767 let receiver_ids = self
768 .store()
769 .await
770 .project_connection_ids(request.payload.project_id, request.sender_id)?;
771 broadcast(request.sender_id, receiver_ids, |connection_id| {
772 self.peer
773 .forward_send(request.sender_id, connection_id, request.payload.clone())
774 });
775 response.send(proto::Ack {})?;
776 Ok(())
777 }
778
779 async fn update_buffer_file(
780 self: Arc<Server>,
781 request: TypedEnvelope<proto::UpdateBufferFile>,
782 ) -> Result<()> {
783 let receiver_ids = self
784 .store()
785 .await
786 .project_connection_ids(request.payload.project_id, request.sender_id)?;
787 broadcast(request.sender_id, receiver_ids, |connection_id| {
788 self.peer
789 .forward_send(request.sender_id, connection_id, request.payload.clone())
790 });
791 Ok(())
792 }
793
794 async fn buffer_reloaded(
795 self: Arc<Server>,
796 request: TypedEnvelope<proto::BufferReloaded>,
797 ) -> Result<()> {
798 let receiver_ids = self
799 .store()
800 .await
801 .project_connection_ids(request.payload.project_id, request.sender_id)?;
802 broadcast(request.sender_id, receiver_ids, |connection_id| {
803 self.peer
804 .forward_send(request.sender_id, connection_id, request.payload.clone())
805 });
806 Ok(())
807 }
808
809 async fn buffer_saved(
810 self: Arc<Server>,
811 request: TypedEnvelope<proto::BufferSaved>,
812 ) -> Result<()> {
813 let receiver_ids = self
814 .store()
815 .await
816 .project_connection_ids(request.payload.project_id, request.sender_id)?;
817 broadcast(request.sender_id, receiver_ids, |connection_id| {
818 self.peer
819 .forward_send(request.sender_id, connection_id, request.payload.clone())
820 });
821 Ok(())
822 }
823
824 async fn follow(
825 self: Arc<Self>,
826 request: TypedEnvelope<proto::Follow>,
827 response: Response<proto::Follow>,
828 ) -> Result<()> {
829 let leader_id = ConnectionId(request.payload.leader_id);
830 let follower_id = request.sender_id;
831 if !self
832 .store()
833 .await
834 .project_connection_ids(request.payload.project_id, follower_id)?
835 .contains(&leader_id)
836 {
837 Err(anyhow!("no such peer"))?;
838 }
839 let mut response_payload = self
840 .peer
841 .forward_request(request.sender_id, leader_id, request.payload)
842 .await?;
843 response_payload
844 .views
845 .retain(|view| view.leader_id != Some(follower_id.0));
846 response.send(response_payload)?;
847 Ok(())
848 }
849
850 async fn unfollow(self: Arc<Self>, request: TypedEnvelope<proto::Unfollow>) -> Result<()> {
851 let leader_id = ConnectionId(request.payload.leader_id);
852 if !self
853 .store()
854 .await
855 .project_connection_ids(request.payload.project_id, request.sender_id)?
856 .contains(&leader_id)
857 {
858 Err(anyhow!("no such peer"))?;
859 }
860 self.peer
861 .forward_send(request.sender_id, leader_id, request.payload)?;
862 Ok(())
863 }
864
865 async fn update_followers(
866 self: Arc<Self>,
867 request: TypedEnvelope<proto::UpdateFollowers>,
868 ) -> Result<()> {
869 let connection_ids = self
870 .store()
871 .await
872 .project_connection_ids(request.payload.project_id, request.sender_id)?;
873 let leader_id = request
874 .payload
875 .variant
876 .as_ref()
877 .and_then(|variant| match variant {
878 proto::update_followers::Variant::CreateView(payload) => payload.leader_id,
879 proto::update_followers::Variant::UpdateView(payload) => payload.leader_id,
880 proto::update_followers::Variant::UpdateActiveView(payload) => payload.leader_id,
881 });
882 for follower_id in &request.payload.follower_ids {
883 let follower_id = ConnectionId(*follower_id);
884 if connection_ids.contains(&follower_id) && Some(follower_id.0) != leader_id {
885 self.peer
886 .forward_send(request.sender_id, follower_id, request.payload.clone())?;
887 }
888 }
889 Ok(())
890 }
891
892 async fn get_channels(
893 self: Arc<Server>,
894 request: TypedEnvelope<proto::GetChannels>,
895 response: Response<proto::GetChannels>,
896 ) -> Result<()> {
897 let user_id = self
898 .store()
899 .await
900 .user_id_for_connection(request.sender_id)?;
901 let channels = self.app_state.db.get_accessible_channels(user_id).await?;
902 response.send(proto::GetChannelsResponse {
903 channels: channels
904 .into_iter()
905 .map(|chan| proto::Channel {
906 id: chan.id.to_proto(),
907 name: chan.name,
908 })
909 .collect(),
910 })?;
911 Ok(())
912 }
913
914 async fn get_users(
915 self: Arc<Server>,
916 request: TypedEnvelope<proto::GetUsers>,
917 response: Response<proto::GetUsers>,
918 ) -> Result<()> {
919 let user_ids = request
920 .payload
921 .user_ids
922 .into_iter()
923 .map(UserId::from_proto)
924 .collect();
925 let users = self
926 .app_state
927 .db
928 .get_users_by_ids(user_ids)
929 .await?
930 .into_iter()
931 .map(|user| proto::User {
932 id: user.id.to_proto(),
933 avatar_url: format!("https://github.com/{}.png?size=128", user.github_login),
934 github_login: user.github_login,
935 })
936 .collect();
937 response.send(proto::UsersResponse { users })?;
938 Ok(())
939 }
940
941 async fn fuzzy_search_users(
942 self: Arc<Server>,
943 request: TypedEnvelope<proto::FuzzySearchUsers>,
944 response: Response<proto::FuzzySearchUsers>,
945 ) -> Result<()> {
946 let user_id = self
947 .store()
948 .await
949 .user_id_for_connection(request.sender_id)?;
950 let query = request.payload.query;
951 let db = &self.app_state.db;
952 let users = match query.len() {
953 0 => vec![],
954 1 | 2 => db
955 .get_user_by_github_login(&query)
956 .await?
957 .into_iter()
958 .collect(),
959 _ => db.fuzzy_search_users(&query, 10).await?,
960 };
961 let users = users
962 .into_iter()
963 .filter(|user| user.id != user_id)
964 .map(|user| proto::User {
965 id: user.id.to_proto(),
966 avatar_url: format!("https://github.com/{}.png?size=128", user.github_login),
967 github_login: user.github_login,
968 })
969 .collect();
970 response.send(proto::UsersResponse { users })?;
971 Ok(())
972 }
973
974 async fn request_contact(
975 self: Arc<Server>,
976 request: TypedEnvelope<proto::RequestContact>,
977 response: Response<proto::RequestContact>,
978 ) -> Result<()> {
979 let requester_id = self
980 .store()
981 .await
982 .user_id_for_connection(request.sender_id)?;
983 let responder_id = UserId::from_proto(request.payload.responder_id);
984 if requester_id == responder_id {
985 return Err(anyhow!("cannot add yourself as a contact"))?;
986 }
987
988 self.app_state
989 .db
990 .send_contact_request(requester_id, responder_id)
991 .await?;
992
993 // Update outgoing contact requests of requester
994 let mut update = proto::UpdateContacts::default();
995 update.outgoing_requests.push(responder_id.to_proto());
996 for connection_id in self.store().await.connection_ids_for_user(requester_id) {
997 self.peer.send(connection_id, update.clone())?;
998 }
999
1000 // Update incoming contact requests of responder
1001 let mut update = proto::UpdateContacts::default();
1002 update
1003 .incoming_requests
1004 .push(proto::IncomingContactRequest {
1005 requester_id: requester_id.to_proto(),
1006 should_notify: true,
1007 });
1008 for connection_id in self.store().await.connection_ids_for_user(responder_id) {
1009 self.peer.send(connection_id, update.clone())?;
1010 }
1011
1012 response.send(proto::Ack {})?;
1013 Ok(())
1014 }
1015
1016 async fn respond_to_contact_request(
1017 self: Arc<Server>,
1018 request: TypedEnvelope<proto::RespondToContactRequest>,
1019 response: Response<proto::RespondToContactRequest>,
1020 ) -> Result<()> {
1021 let responder_id = self
1022 .store()
1023 .await
1024 .user_id_for_connection(request.sender_id)?;
1025 let requester_id = UserId::from_proto(request.payload.requester_id);
1026 let accept = request.payload.response == proto::ContactRequestResponse::Accept as i32;
1027 self.app_state
1028 .db
1029 .respond_to_contact_request(responder_id, requester_id, accept)
1030 .await?;
1031
1032 let store = self.store().await;
1033 // Update responder with new contact
1034 let mut update = proto::UpdateContacts::default();
1035 if accept {
1036 update.contacts.push(store.contact_for_user(requester_id));
1037 }
1038 update
1039 .remove_incoming_requests
1040 .push(requester_id.to_proto());
1041 for connection_id in store.connection_ids_for_user(responder_id) {
1042 self.peer.send(connection_id, update.clone())?;
1043 }
1044
1045 // Update requester with new contact
1046 let mut update = proto::UpdateContacts::default();
1047 if accept {
1048 update.contacts.push(store.contact_for_user(responder_id));
1049 }
1050 update
1051 .remove_outgoing_requests
1052 .push(responder_id.to_proto());
1053 for connection_id in store.connection_ids_for_user(requester_id) {
1054 self.peer.send(connection_id, update.clone())?;
1055 }
1056
1057 response.send(proto::Ack {})?;
1058 Ok(())
1059 }
1060
1061 async fn remove_contact(
1062 self: Arc<Server>,
1063 request: TypedEnvelope<proto::RemoveContact>,
1064 response: Response<proto::RemoveContact>,
1065 ) -> Result<()> {
1066 let requester_id = self
1067 .store()
1068 .await
1069 .user_id_for_connection(request.sender_id)?;
1070 let responder_id = UserId::from_proto(request.payload.user_id);
1071 self.app_state
1072 .db
1073 .remove_contact(requester_id, responder_id)
1074 .await?;
1075
1076 // Update outgoing contact requests of requester
1077 let mut update = proto::UpdateContacts::default();
1078 update
1079 .remove_outgoing_requests
1080 .push(responder_id.to_proto());
1081 for connection_id in self.store().await.connection_ids_for_user(requester_id) {
1082 self.peer.send(connection_id, update.clone())?;
1083 }
1084
1085 // Update incoming contact requests of responder
1086 let mut update = proto::UpdateContacts::default();
1087 update
1088 .remove_incoming_requests
1089 .push(requester_id.to_proto());
1090 for connection_id in self.store().await.connection_ids_for_user(responder_id) {
1091 self.peer.send(connection_id, update.clone())?;
1092 }
1093
1094 response.send(proto::Ack {})?;
1095 Ok(())
1096 }
1097
1098 // #[instrument(skip(self, state, user_ids))]
1099 // fn update_contacts_for_users<'a>(
1100 // self: &Arc<Self>,
1101 // state: &Store,
1102 // user_ids: impl IntoIterator<Item = &'a UserId>,
1103 // ) {
1104 // for user_id in user_ids {
1105 // let contacts = state.contacts_for_user(*user_id);
1106 // for connection_id in state.connection_ids_for_user(*user_id) {
1107 // self.peer
1108 // .send(
1109 // connection_id,
1110 // proto::UpdateContacts {
1111 // contacts: contacts.clone(),
1112 // pending_requests_from_user_ids: Default::default(),
1113 // pending_requests_to_user_ids: Default::default(),
1114 // },
1115 // )
1116 // .trace_err();
1117 // }
1118 // }
1119 // }
1120
1121 async fn join_channel(
1122 self: Arc<Self>,
1123 request: TypedEnvelope<proto::JoinChannel>,
1124 response: Response<proto::JoinChannel>,
1125 ) -> Result<()> {
1126 let user_id = self
1127 .store()
1128 .await
1129 .user_id_for_connection(request.sender_id)?;
1130 let channel_id = ChannelId::from_proto(request.payload.channel_id);
1131 if !self
1132 .app_state
1133 .db
1134 .can_user_access_channel(user_id, channel_id)
1135 .await?
1136 {
1137 Err(anyhow!("access denied"))?;
1138 }
1139
1140 self.store_mut()
1141 .await
1142 .join_channel(request.sender_id, channel_id);
1143 let messages = self
1144 .app_state
1145 .db
1146 .get_channel_messages(channel_id, MESSAGE_COUNT_PER_PAGE, None)
1147 .await?
1148 .into_iter()
1149 .map(|msg| proto::ChannelMessage {
1150 id: msg.id.to_proto(),
1151 body: msg.body,
1152 timestamp: msg.sent_at.unix_timestamp() as u64,
1153 sender_id: msg.sender_id.to_proto(),
1154 nonce: Some(msg.nonce.as_u128().into()),
1155 })
1156 .collect::<Vec<_>>();
1157 response.send(proto::JoinChannelResponse {
1158 done: messages.len() < MESSAGE_COUNT_PER_PAGE,
1159 messages,
1160 })?;
1161 Ok(())
1162 }
1163
1164 async fn leave_channel(
1165 self: Arc<Self>,
1166 request: TypedEnvelope<proto::LeaveChannel>,
1167 ) -> Result<()> {
1168 let user_id = self
1169 .store()
1170 .await
1171 .user_id_for_connection(request.sender_id)?;
1172 let channel_id = ChannelId::from_proto(request.payload.channel_id);
1173 if !self
1174 .app_state
1175 .db
1176 .can_user_access_channel(user_id, channel_id)
1177 .await?
1178 {
1179 Err(anyhow!("access denied"))?;
1180 }
1181
1182 self.store_mut()
1183 .await
1184 .leave_channel(request.sender_id, channel_id);
1185
1186 Ok(())
1187 }
1188
1189 async fn send_channel_message(
1190 self: Arc<Self>,
1191 request: TypedEnvelope<proto::SendChannelMessage>,
1192 response: Response<proto::SendChannelMessage>,
1193 ) -> Result<()> {
1194 let channel_id = ChannelId::from_proto(request.payload.channel_id);
1195 let user_id;
1196 let connection_ids;
1197 {
1198 let state = self.store().await;
1199 user_id = state.user_id_for_connection(request.sender_id)?;
1200 connection_ids = state.channel_connection_ids(channel_id)?;
1201 }
1202
1203 // Validate the message body.
1204 let body = request.payload.body.trim().to_string();
1205 if body.len() > MAX_MESSAGE_LEN {
1206 return Err(anyhow!("message is too long"))?;
1207 }
1208 if body.is_empty() {
1209 return Err(anyhow!("message can't be blank"))?;
1210 }
1211
1212 let timestamp = OffsetDateTime::now_utc();
1213 let nonce = request
1214 .payload
1215 .nonce
1216 .ok_or_else(|| anyhow!("nonce can't be blank"))?;
1217
1218 let message_id = self
1219 .app_state
1220 .db
1221 .create_channel_message(channel_id, user_id, &body, timestamp, nonce.clone().into())
1222 .await?
1223 .to_proto();
1224 let message = proto::ChannelMessage {
1225 sender_id: user_id.to_proto(),
1226 id: message_id,
1227 body,
1228 timestamp: timestamp.unix_timestamp() as u64,
1229 nonce: Some(nonce),
1230 };
1231 broadcast(request.sender_id, connection_ids, |conn_id| {
1232 self.peer.send(
1233 conn_id,
1234 proto::ChannelMessageSent {
1235 channel_id: channel_id.to_proto(),
1236 message: Some(message.clone()),
1237 },
1238 )
1239 });
1240 response.send(proto::SendChannelMessageResponse {
1241 message: Some(message),
1242 })?;
1243 Ok(())
1244 }
1245
1246 async fn get_channel_messages(
1247 self: Arc<Self>,
1248 request: TypedEnvelope<proto::GetChannelMessages>,
1249 response: Response<proto::GetChannelMessages>,
1250 ) -> Result<()> {
1251 let user_id = self
1252 .store()
1253 .await
1254 .user_id_for_connection(request.sender_id)?;
1255 let channel_id = ChannelId::from_proto(request.payload.channel_id);
1256 if !self
1257 .app_state
1258 .db
1259 .can_user_access_channel(user_id, channel_id)
1260 .await?
1261 {
1262 Err(anyhow!("access denied"))?;
1263 }
1264
1265 let messages = self
1266 .app_state
1267 .db
1268 .get_channel_messages(
1269 channel_id,
1270 MESSAGE_COUNT_PER_PAGE,
1271 Some(MessageId::from_proto(request.payload.before_message_id)),
1272 )
1273 .await?
1274 .into_iter()
1275 .map(|msg| proto::ChannelMessage {
1276 id: msg.id.to_proto(),
1277 body: msg.body,
1278 timestamp: msg.sent_at.unix_timestamp() as u64,
1279 sender_id: msg.sender_id.to_proto(),
1280 nonce: Some(msg.nonce.as_u128().into()),
1281 })
1282 .collect::<Vec<_>>();
1283 response.send(proto::GetChannelMessagesResponse {
1284 done: messages.len() < MESSAGE_COUNT_PER_PAGE,
1285 messages,
1286 })?;
1287 Ok(())
1288 }
1289
1290 async fn store<'a>(self: &'a Arc<Self>) -> StoreReadGuard<'a> {
1291 #[cfg(test)]
1292 tokio::task::yield_now().await;
1293 let guard = self.store.read().await;
1294 #[cfg(test)]
1295 tokio::task::yield_now().await;
1296 StoreReadGuard {
1297 guard,
1298 _not_send: PhantomData,
1299 }
1300 }
1301
1302 async fn store_mut<'a>(self: &'a Arc<Self>) -> StoreWriteGuard<'a> {
1303 #[cfg(test)]
1304 tokio::task::yield_now().await;
1305 let guard = self.store.write().await;
1306 #[cfg(test)]
1307 tokio::task::yield_now().await;
1308 StoreWriteGuard {
1309 guard,
1310 _not_send: PhantomData,
1311 }
1312 }
1313}
1314
1315impl<'a> Deref for StoreReadGuard<'a> {
1316 type Target = Store;
1317
1318 fn deref(&self) -> &Self::Target {
1319 &*self.guard
1320 }
1321}
1322
1323impl<'a> Deref for StoreWriteGuard<'a> {
1324 type Target = Store;
1325
1326 fn deref(&self) -> &Self::Target {
1327 &*self.guard
1328 }
1329}
1330
1331impl<'a> DerefMut for StoreWriteGuard<'a> {
1332 fn deref_mut(&mut self) -> &mut Self::Target {
1333 &mut *self.guard
1334 }
1335}
1336
1337impl<'a> Drop for StoreWriteGuard<'a> {
1338 fn drop(&mut self) {
1339 #[cfg(test)]
1340 self.check_invariants();
1341
1342 let metrics = self.metrics();
1343 tracing::info!(
1344 connections = metrics.connections,
1345 registered_projects = metrics.registered_projects,
1346 shared_projects = metrics.shared_projects,
1347 "metrics"
1348 );
1349 }
1350}
1351
1352impl Executor for RealExecutor {
1353 type Sleep = Sleep;
1354
1355 fn spawn_detached<F: 'static + Send + Future<Output = ()>>(&self, future: F) {
1356 tokio::task::spawn(future);
1357 }
1358
1359 fn sleep(&self, duration: Duration) -> Self::Sleep {
1360 tokio::time::sleep(duration)
1361 }
1362}
1363
1364fn broadcast<F>(
1365 sender_id: ConnectionId,
1366 receiver_ids: impl IntoIterator<Item = ConnectionId>,
1367 mut f: F,
1368) where
1369 F: FnMut(ConnectionId) -> anyhow::Result<()>,
1370{
1371 for receiver_id in receiver_ids {
1372 if receiver_id != sender_id {
1373 f(receiver_id).trace_err();
1374 }
1375 }
1376}
1377
1378lazy_static! {
1379 static ref ZED_PROTOCOL_VERSION: HeaderName = HeaderName::from_static("x-zed-protocol-version");
1380}
1381
1382pub struct ProtocolVersion(u32);
1383
1384impl Header for ProtocolVersion {
1385 fn name() -> &'static HeaderName {
1386 &ZED_PROTOCOL_VERSION
1387 }
1388
1389 fn decode<'i, I>(values: &mut I) -> Result<Self, axum::headers::Error>
1390 where
1391 Self: Sized,
1392 I: Iterator<Item = &'i axum::http::HeaderValue>,
1393 {
1394 let version = values
1395 .next()
1396 .ok_or_else(|| axum::headers::Error::invalid())?
1397 .to_str()
1398 .map_err(|_| axum::headers::Error::invalid())?
1399 .parse()
1400 .map_err(|_| axum::headers::Error::invalid())?;
1401 Ok(Self(version))
1402 }
1403
1404 fn encode<E: Extend<axum::http::HeaderValue>>(&self, values: &mut E) {
1405 values.extend([self.0.to_string().parse().unwrap()]);
1406 }
1407}
1408
1409pub fn routes(app_state: Arc<AppState>) -> Router<Body> {
1410 let server = Server::new(app_state.clone(), None);
1411 Router::new()
1412 .route("/rpc", get(handle_websocket_request))
1413 .layer(
1414 ServiceBuilder::new()
1415 .layer(Extension(app_state))
1416 .layer(middleware::from_fn(auth::validate_header))
1417 .layer(Extension(server)),
1418 )
1419}
1420
1421pub async fn handle_websocket_request(
1422 TypedHeader(ProtocolVersion(protocol_version)): TypedHeader<ProtocolVersion>,
1423 ConnectInfo(socket_address): ConnectInfo<SocketAddr>,
1424 Extension(server): Extension<Arc<Server>>,
1425 Extension(user_id): Extension<UserId>,
1426 ws: WebSocketUpgrade,
1427) -> axum::response::Response {
1428 if protocol_version != rpc::PROTOCOL_VERSION {
1429 return (
1430 StatusCode::UPGRADE_REQUIRED,
1431 "client must be upgraded".to_string(),
1432 )
1433 .into_response();
1434 }
1435 let socket_address = socket_address.to_string();
1436 ws.on_upgrade(move |socket| {
1437 use util::ResultExt;
1438 let socket = socket
1439 .map_ok(to_tungstenite_message)
1440 .err_into()
1441 .with(|message| async move { Ok(to_axum_message(message)) });
1442 let connection = Connection::new(Box::pin(socket));
1443 async move {
1444 server
1445 .handle_connection(connection, socket_address, user_id, None, RealExecutor)
1446 .await
1447 .log_err();
1448 }
1449 })
1450}
1451
1452fn to_axum_message(message: TungsteniteMessage) -> AxumMessage {
1453 match message {
1454 TungsteniteMessage::Text(payload) => AxumMessage::Text(payload),
1455 TungsteniteMessage::Binary(payload) => AxumMessage::Binary(payload),
1456 TungsteniteMessage::Ping(payload) => AxumMessage::Ping(payload),
1457 TungsteniteMessage::Pong(payload) => AxumMessage::Pong(payload),
1458 TungsteniteMessage::Close(frame) => AxumMessage::Close(frame.map(|frame| AxumCloseFrame {
1459 code: frame.code.into(),
1460 reason: frame.reason,
1461 })),
1462 }
1463}
1464
1465fn to_tungstenite_message(message: AxumMessage) -> TungsteniteMessage {
1466 match message {
1467 AxumMessage::Text(payload) => TungsteniteMessage::Text(payload),
1468 AxumMessage::Binary(payload) => TungsteniteMessage::Binary(payload),
1469 AxumMessage::Ping(payload) => TungsteniteMessage::Ping(payload),
1470 AxumMessage::Pong(payload) => TungsteniteMessage::Pong(payload),
1471 AxumMessage::Close(frame) => {
1472 TungsteniteMessage::Close(frame.map(|frame| TungsteniteCloseFrame {
1473 code: frame.code.into(),
1474 reason: frame.reason,
1475 }))
1476 }
1477 }
1478}
1479
1480pub trait ResultExt {
1481 type Ok;
1482
1483 fn trace_err(self) -> Option<Self::Ok>;
1484}
1485
1486impl<T, E> ResultExt for Result<T, E>
1487where
1488 E: std::fmt::Debug,
1489{
1490 type Ok = T;
1491
1492 fn trace_err(self) -> Option<T> {
1493 match self {
1494 Ok(value) => Some(value),
1495 Err(error) => {
1496 tracing::error!("{:?}", error);
1497 None
1498 }
1499 }
1500 }
1501}
1502
1503#[cfg(test)]
1504mod tests {
1505 use super::*;
1506 use crate::{
1507 db::{tests::TestDb, UserId},
1508 AppState,
1509 };
1510 use ::rpc::Peer;
1511 use client::{
1512 self, test::FakeHttpClient, Channel, ChannelDetails, ChannelList, Client, Credentials,
1513 EstablishConnectionError, UserStore, RECEIVE_TIMEOUT,
1514 };
1515 use collections::{BTreeMap, HashSet};
1516 use editor::{
1517 self, ConfirmCodeAction, ConfirmCompletion, ConfirmRename, Editor, Input, Redo, Rename,
1518 ToOffset, ToggleCodeActions, Undo,
1519 };
1520 use gpui::{
1521 executor::{self, Deterministic},
1522 geometry::vector::vec2f,
1523 ModelHandle, TestAppContext, ViewHandle,
1524 };
1525 use language::{
1526 range_to_lsp, tree_sitter_rust, Diagnostic, DiagnosticEntry, FakeLspAdapter, Language,
1527 LanguageConfig, LanguageRegistry, OffsetRangeExt, Point, Rope,
1528 };
1529 use lsp::{self, FakeLanguageServer};
1530 use parking_lot::Mutex;
1531 use project::{
1532 fs::{FakeFs, Fs as _},
1533 search::SearchQuery,
1534 worktree::WorktreeHandle,
1535 DiagnosticSummary, Project, ProjectPath, WorktreeId,
1536 };
1537 use rand::prelude::*;
1538 use rpc::PeerId;
1539 use serde_json::json;
1540 use settings::Settings;
1541 use sqlx::types::time::OffsetDateTime;
1542 use std::{
1543 env,
1544 ops::Deref,
1545 path::{Path, PathBuf},
1546 rc::Rc,
1547 sync::{
1548 atomic::{AtomicBool, Ordering::SeqCst},
1549 Arc,
1550 },
1551 time::Duration,
1552 };
1553 use theme::ThemeRegistry;
1554 use workspace::{Item, SplitDirection, ToggleFollow, Workspace, WorkspaceParams};
1555
1556 #[cfg(test)]
1557 #[ctor::ctor]
1558 fn init_logger() {
1559 if std::env::var("RUST_LOG").is_ok() {
1560 env_logger::init();
1561 }
1562 }
1563
1564 #[gpui::test(iterations = 10)]
1565 async fn test_share_project(cx_a: &mut TestAppContext, cx_b: &mut TestAppContext) {
1566 let (window_b, _) = cx_b.add_window(|_| EmptyView);
1567 let lang_registry = Arc::new(LanguageRegistry::test());
1568 let fs = FakeFs::new(cx_a.background());
1569 cx_a.foreground().forbid_parking();
1570
1571 // Connect to a server as 2 clients.
1572 let mut server = TestServer::start(cx_a.foreground(), cx_a.background()).await;
1573 let client_a = server.create_client(cx_a, "user_a").await;
1574 let client_b = server.create_client(cx_b, "user_b").await;
1575 server
1576 .make_contacts(vec![(&client_a, cx_a), (&client_b, cx_b)])
1577 .await;
1578
1579 // Share a project as client A
1580 fs.insert_tree(
1581 "/a",
1582 json!({
1583 "a.txt": "a-contents",
1584 "b.txt": "b-contents",
1585 }),
1586 )
1587 .await;
1588 let project_a = cx_a.update(|cx| {
1589 Project::local(
1590 client_a.clone(),
1591 client_a.user_store.clone(),
1592 lang_registry.clone(),
1593 fs.clone(),
1594 cx,
1595 )
1596 });
1597 let (worktree_a, _) = project_a
1598 .update(cx_a, |p, cx| {
1599 p.find_or_create_local_worktree("/a", true, cx)
1600 })
1601 .await
1602 .unwrap();
1603 let worktree_id = worktree_a.read_with(cx_a, |tree, _| tree.id());
1604 worktree_a
1605 .read_with(cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
1606 .await;
1607 let project_id = project_a.update(cx_a, |p, _| p.next_remote_id()).await;
1608 project_a.update(cx_a, |p, cx| p.share(cx)).await.unwrap();
1609
1610 // Join that project as client B
1611 let project_b = Project::remote(
1612 project_id,
1613 client_b.clone(),
1614 client_b.user_store.clone(),
1615 lang_registry.clone(),
1616 fs.clone(),
1617 &mut cx_b.to_async(),
1618 )
1619 .await
1620 .unwrap();
1621
1622 let replica_id_b = project_b.read_with(cx_b, |project, _| {
1623 assert_eq!(
1624 project
1625 .collaborators()
1626 .get(&client_a.peer_id)
1627 .unwrap()
1628 .user
1629 .github_login,
1630 "user_a"
1631 );
1632 project.replica_id()
1633 });
1634 project_a
1635 .condition(&cx_a, |tree, _| {
1636 tree.collaborators()
1637 .get(&client_b.peer_id)
1638 .map_or(false, |collaborator| {
1639 collaborator.replica_id == replica_id_b
1640 && collaborator.user.github_login == "user_b"
1641 })
1642 })
1643 .await;
1644
1645 // Open the same file as client B and client A.
1646 let buffer_b = project_b
1647 .update(cx_b, |p, cx| p.open_buffer((worktree_id, "b.txt"), cx))
1648 .await
1649 .unwrap();
1650 buffer_b.read_with(cx_b, |buf, _| assert_eq!(buf.text(), "b-contents"));
1651 project_a.read_with(cx_a, |project, cx| {
1652 assert!(project.has_open_buffer((worktree_id, "b.txt"), cx))
1653 });
1654 let buffer_a = project_a
1655 .update(cx_a, |p, cx| p.open_buffer((worktree_id, "b.txt"), cx))
1656 .await
1657 .unwrap();
1658
1659 let editor_b = cx_b.add_view(window_b, |cx| Editor::for_buffer(buffer_b, None, cx));
1660
1661 // TODO
1662 // // Create a selection set as client B and see that selection set as client A.
1663 // buffer_a
1664 // .condition(&cx_a, |buffer, _| buffer.selection_sets().count() == 1)
1665 // .await;
1666
1667 // Edit the buffer as client B and see that edit as client A.
1668 editor_b.update(cx_b, |editor, cx| {
1669 editor.handle_input(&Input("ok, ".into()), cx)
1670 });
1671 buffer_a
1672 .condition(&cx_a, |buffer, _| buffer.text() == "ok, b-contents")
1673 .await;
1674
1675 // TODO
1676 // // Remove the selection set as client B, see those selections disappear as client A.
1677 cx_b.update(move |_| drop(editor_b));
1678 // buffer_a
1679 // .condition(&cx_a, |buffer, _| buffer.selection_sets().count() == 0)
1680 // .await;
1681
1682 // Dropping the client B's project removes client B from client A's collaborators.
1683 cx_b.update(move |_| drop(project_b));
1684 project_a
1685 .condition(&cx_a, |project, _| project.collaborators().is_empty())
1686 .await;
1687 }
1688
1689 #[gpui::test(iterations = 10)]
1690 async fn test_unshare_project(cx_a: &mut TestAppContext, cx_b: &mut TestAppContext) {
1691 let lang_registry = Arc::new(LanguageRegistry::test());
1692 let fs = FakeFs::new(cx_a.background());
1693 cx_a.foreground().forbid_parking();
1694
1695 // Connect to a server as 2 clients.
1696 let mut server = TestServer::start(cx_a.foreground(), cx_a.background()).await;
1697 let client_a = server.create_client(cx_a, "user_a").await;
1698 let client_b = server.create_client(cx_b, "user_b").await;
1699 server
1700 .make_contacts(vec![(&client_a, cx_a), (&client_b, cx_b)])
1701 .await;
1702
1703 // Share a project as client A
1704 fs.insert_tree(
1705 "/a",
1706 json!({
1707 "a.txt": "a-contents",
1708 "b.txt": "b-contents",
1709 }),
1710 )
1711 .await;
1712 let project_a = cx_a.update(|cx| {
1713 Project::local(
1714 client_a.clone(),
1715 client_a.user_store.clone(),
1716 lang_registry.clone(),
1717 fs.clone(),
1718 cx,
1719 )
1720 });
1721 let (worktree_a, _) = project_a
1722 .update(cx_a, |p, cx| {
1723 p.find_or_create_local_worktree("/a", true, cx)
1724 })
1725 .await
1726 .unwrap();
1727 worktree_a
1728 .read_with(cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
1729 .await;
1730 let project_id = project_a.update(cx_a, |p, _| p.next_remote_id()).await;
1731 let worktree_id = worktree_a.read_with(cx_a, |tree, _| tree.id());
1732 project_a.update(cx_a, |p, cx| p.share(cx)).await.unwrap();
1733 assert!(worktree_a.read_with(cx_a, |tree, _| tree.as_local().unwrap().is_shared()));
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 project_b
1747 .update(cx_b, |p, cx| p.open_buffer((worktree_id, "a.txt"), cx))
1748 .await
1749 .unwrap();
1750
1751 // Unshare the project as client A
1752 project_a.update(cx_a, |project, cx| project.unshare(cx));
1753 project_b
1754 .condition(cx_b, |project, _| project.is_read_only())
1755 .await;
1756 assert!(worktree_a.read_with(cx_a, |tree, _| !tree.as_local().unwrap().is_shared()));
1757 cx_b.update(|_| {
1758 drop(project_b);
1759 });
1760
1761 // Share the project again and ensure guests can still join.
1762 project_a
1763 .update(cx_a, |project, cx| project.share(cx))
1764 .await
1765 .unwrap();
1766 assert!(worktree_a.read_with(cx_a, |tree, _| tree.as_local().unwrap().is_shared()));
1767
1768 let project_b2 = Project::remote(
1769 project_id,
1770 client_b.clone(),
1771 client_b.user_store.clone(),
1772 lang_registry.clone(),
1773 fs.clone(),
1774 &mut cx_b.to_async(),
1775 )
1776 .await
1777 .unwrap();
1778 project_b2
1779 .update(cx_b, |p, cx| p.open_buffer((worktree_id, "a.txt"), cx))
1780 .await
1781 .unwrap();
1782 }
1783
1784 #[gpui::test(iterations = 10)]
1785 async fn test_host_disconnect(cx_a: &mut TestAppContext, cx_b: &mut TestAppContext) {
1786 let lang_registry = Arc::new(LanguageRegistry::test());
1787 let fs = FakeFs::new(cx_a.background());
1788 cx_a.foreground().forbid_parking();
1789
1790 // Connect to a server as 2 clients.
1791 let mut server = TestServer::start(cx_a.foreground(), cx_a.background()).await;
1792 let client_a = server.create_client(cx_a, "user_a").await;
1793 let client_b = server.create_client(cx_b, "user_b").await;
1794 server
1795 .make_contacts(vec![(&client_a, cx_a), (&client_b, cx_b)])
1796 .await;
1797
1798 // Share a project as client A
1799 fs.insert_tree(
1800 "/a",
1801 json!({
1802 "a.txt": "a-contents",
1803 "b.txt": "b-contents",
1804 }),
1805 )
1806 .await;
1807 let project_a = cx_a.update(|cx| {
1808 Project::local(
1809 client_a.clone(),
1810 client_a.user_store.clone(),
1811 lang_registry.clone(),
1812 fs.clone(),
1813 cx,
1814 )
1815 });
1816 let (worktree_a, _) = project_a
1817 .update(cx_a, |p, cx| {
1818 p.find_or_create_local_worktree("/a", true, cx)
1819 })
1820 .await
1821 .unwrap();
1822 worktree_a
1823 .read_with(cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
1824 .await;
1825 let project_id = project_a.update(cx_a, |p, _| p.next_remote_id()).await;
1826 let worktree_id = worktree_a.read_with(cx_a, |tree, _| tree.id());
1827 project_a.update(cx_a, |p, cx| p.share(cx)).await.unwrap();
1828 assert!(worktree_a.read_with(cx_a, |tree, _| tree.as_local().unwrap().is_shared()));
1829
1830 // Join that project as client B
1831 let project_b = Project::remote(
1832 project_id,
1833 client_b.clone(),
1834 client_b.user_store.clone(),
1835 lang_registry.clone(),
1836 fs.clone(),
1837 &mut cx_b.to_async(),
1838 )
1839 .await
1840 .unwrap();
1841 project_b
1842 .update(cx_b, |p, cx| p.open_buffer((worktree_id, "a.txt"), cx))
1843 .await
1844 .unwrap();
1845
1846 // Drop client A's connection. Collaborators should disappear and the project should not be shown as shared.
1847 server.disconnect_client(client_a.current_user_id(cx_a));
1848 cx_a.foreground().advance_clock(rpc::RECEIVE_TIMEOUT);
1849 project_a
1850 .condition(cx_a, |project, _| project.collaborators().is_empty())
1851 .await;
1852 project_a.read_with(cx_a, |project, _| assert!(!project.is_shared()));
1853 project_b
1854 .condition(cx_b, |project, _| project.is_read_only())
1855 .await;
1856 assert!(worktree_a.read_with(cx_a, |tree, _| !tree.as_local().unwrap().is_shared()));
1857 cx_b.update(|_| {
1858 drop(project_b);
1859 });
1860
1861 // Await reconnection
1862 let project_id = project_a.update(cx_a, |p, _| p.next_remote_id()).await;
1863
1864 // Share the project again and ensure guests can still join.
1865 project_a
1866 .update(cx_a, |project, cx| project.share(cx))
1867 .await
1868 .unwrap();
1869 assert!(worktree_a.read_with(cx_a, |tree, _| tree.as_local().unwrap().is_shared()));
1870
1871 let project_b2 = Project::remote(
1872 project_id,
1873 client_b.clone(),
1874 client_b.user_store.clone(),
1875 lang_registry.clone(),
1876 fs.clone(),
1877 &mut cx_b.to_async(),
1878 )
1879 .await
1880 .unwrap();
1881 project_b2
1882 .update(cx_b, |p, cx| p.open_buffer((worktree_id, "a.txt"), cx))
1883 .await
1884 .unwrap();
1885 }
1886
1887 #[gpui::test(iterations = 10)]
1888 async fn test_propagate_saves_and_fs_changes(
1889 cx_a: &mut TestAppContext,
1890 cx_b: &mut TestAppContext,
1891 cx_c: &mut TestAppContext,
1892 ) {
1893 let lang_registry = Arc::new(LanguageRegistry::test());
1894 let fs = FakeFs::new(cx_a.background());
1895 cx_a.foreground().forbid_parking();
1896
1897 // Connect to a server as 3 clients.
1898 let mut server = TestServer::start(cx_a.foreground(), cx_a.background()).await;
1899 let client_a = server.create_client(cx_a, "user_a").await;
1900 let client_b = server.create_client(cx_b, "user_b").await;
1901 let client_c = server.create_client(cx_c, "user_c").await;
1902 server
1903 .make_contacts(vec![
1904 (&client_a, cx_a),
1905 (&client_b, cx_b),
1906 (&client_c, cx_c),
1907 ])
1908 .await;
1909
1910 // Share a worktree as client A.
1911 fs.insert_tree(
1912 "/a",
1913 json!({
1914 "file1": "",
1915 "file2": ""
1916 }),
1917 )
1918 .await;
1919 let project_a = cx_a.update(|cx| {
1920 Project::local(
1921 client_a.clone(),
1922 client_a.user_store.clone(),
1923 lang_registry.clone(),
1924 fs.clone(),
1925 cx,
1926 )
1927 });
1928 let (worktree_a, _) = project_a
1929 .update(cx_a, |p, cx| {
1930 p.find_or_create_local_worktree("/a", true, cx)
1931 })
1932 .await
1933 .unwrap();
1934 worktree_a
1935 .read_with(cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
1936 .await;
1937 let project_id = project_a.update(cx_a, |p, _| p.next_remote_id()).await;
1938 let worktree_id = worktree_a.read_with(cx_a, |tree, _| tree.id());
1939 project_a.update(cx_a, |p, cx| p.share(cx)).await.unwrap();
1940
1941 // Join that worktree as clients B and C.
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 let project_c = Project::remote(
1953 project_id,
1954 client_c.clone(),
1955 client_c.user_store.clone(),
1956 lang_registry.clone(),
1957 fs.clone(),
1958 &mut cx_c.to_async(),
1959 )
1960 .await
1961 .unwrap();
1962 let worktree_b = project_b.read_with(cx_b, |p, cx| p.worktrees(cx).next().unwrap());
1963 let worktree_c = project_c.read_with(cx_c, |p, cx| p.worktrees(cx).next().unwrap());
1964
1965 // Open and edit a buffer as both guests B and C.
1966 let buffer_b = project_b
1967 .update(cx_b, |p, cx| p.open_buffer((worktree_id, "file1"), cx))
1968 .await
1969 .unwrap();
1970 let buffer_c = project_c
1971 .update(cx_c, |p, cx| p.open_buffer((worktree_id, "file1"), cx))
1972 .await
1973 .unwrap();
1974 buffer_b.update(cx_b, |buf, cx| buf.edit([(0..0, "i-am-b, ")], cx));
1975 buffer_c.update(cx_c, |buf, cx| buf.edit([(0..0, "i-am-c, ")], cx));
1976
1977 // Open and edit that buffer as the host.
1978 let buffer_a = project_a
1979 .update(cx_a, |p, cx| p.open_buffer((worktree_id, "file1"), cx))
1980 .await
1981 .unwrap();
1982
1983 buffer_a
1984 .condition(cx_a, |buf, _| buf.text() == "i-am-c, i-am-b, ")
1985 .await;
1986 buffer_a.update(cx_a, |buf, cx| {
1987 buf.edit([(buf.len()..buf.len(), "i-am-a")], cx)
1988 });
1989
1990 // Wait for edits to propagate
1991 buffer_a
1992 .condition(cx_a, |buf, _| buf.text() == "i-am-c, i-am-b, i-am-a")
1993 .await;
1994 buffer_b
1995 .condition(cx_b, |buf, _| buf.text() == "i-am-c, i-am-b, i-am-a")
1996 .await;
1997 buffer_c
1998 .condition(cx_c, |buf, _| buf.text() == "i-am-c, i-am-b, i-am-a")
1999 .await;
2000
2001 // Edit the buffer as the host and concurrently save as guest B.
2002 let save_b = buffer_b.update(cx_b, |buf, cx| buf.save(cx));
2003 buffer_a.update(cx_a, |buf, cx| buf.edit([(0..0, "hi-a, ")], cx));
2004 save_b.await.unwrap();
2005 assert_eq!(
2006 fs.load("/a/file1".as_ref()).await.unwrap(),
2007 "hi-a, i-am-c, i-am-b, i-am-a"
2008 );
2009 buffer_a.read_with(cx_a, |buf, _| assert!(!buf.is_dirty()));
2010 buffer_b.read_with(cx_b, |buf, _| assert!(!buf.is_dirty()));
2011 buffer_c.condition(cx_c, |buf, _| !buf.is_dirty()).await;
2012
2013 worktree_a.flush_fs_events(cx_a).await;
2014
2015 // Make changes on host's file system, see those changes on guest worktrees.
2016 fs.rename(
2017 "/a/file1".as_ref(),
2018 "/a/file1-renamed".as_ref(),
2019 Default::default(),
2020 )
2021 .await
2022 .unwrap();
2023
2024 fs.rename("/a/file2".as_ref(), "/a/file3".as_ref(), Default::default())
2025 .await
2026 .unwrap();
2027 fs.insert_file(Path::new("/a/file4"), "4".into()).await;
2028
2029 worktree_a
2030 .condition(&cx_a, |tree, _| {
2031 tree.paths()
2032 .map(|p| p.to_string_lossy())
2033 .collect::<Vec<_>>()
2034 == ["file1-renamed", "file3", "file4"]
2035 })
2036 .await;
2037 worktree_b
2038 .condition(&cx_b, |tree, _| {
2039 tree.paths()
2040 .map(|p| p.to_string_lossy())
2041 .collect::<Vec<_>>()
2042 == ["file1-renamed", "file3", "file4"]
2043 })
2044 .await;
2045 worktree_c
2046 .condition(&cx_c, |tree, _| {
2047 tree.paths()
2048 .map(|p| p.to_string_lossy())
2049 .collect::<Vec<_>>()
2050 == ["file1-renamed", "file3", "file4"]
2051 })
2052 .await;
2053
2054 // Ensure buffer files are updated as well.
2055 buffer_a
2056 .condition(&cx_a, |buf, _| {
2057 buf.file().unwrap().path().to_str() == Some("file1-renamed")
2058 })
2059 .await;
2060 buffer_b
2061 .condition(&cx_b, |buf, _| {
2062 buf.file().unwrap().path().to_str() == Some("file1-renamed")
2063 })
2064 .await;
2065 buffer_c
2066 .condition(&cx_c, |buf, _| {
2067 buf.file().unwrap().path().to_str() == Some("file1-renamed")
2068 })
2069 .await;
2070 }
2071
2072 #[gpui::test(iterations = 10)]
2073 async fn test_fs_operations(
2074 executor: Arc<Deterministic>,
2075 cx_a: &mut TestAppContext,
2076 cx_b: &mut TestAppContext,
2077 ) {
2078 executor.forbid_parking();
2079 let fs = FakeFs::new(cx_a.background());
2080
2081 // Connect to a server as 2 clients.
2082 let mut server = TestServer::start(cx_a.foreground(), cx_a.background()).await;
2083 let mut client_a = server.create_client(cx_a, "user_a").await;
2084 let mut client_b = server.create_client(cx_b, "user_b").await;
2085 server
2086 .make_contacts(vec![(&client_a, cx_a), (&client_b, cx_b)])
2087 .await;
2088
2089 // Share a project as client A
2090 fs.insert_tree(
2091 "/dir",
2092 json!({
2093 "a.txt": "a-contents",
2094 "b.txt": "b-contents",
2095 }),
2096 )
2097 .await;
2098
2099 let (project_a, worktree_id) = client_a.build_local_project(fs, "/dir", cx_a).await;
2100 let project_id = project_a.read_with(cx_a, |project, _| project.remote_id().unwrap());
2101 project_a
2102 .update(cx_a, |project, cx| project.share(cx))
2103 .await
2104 .unwrap();
2105
2106 let project_b = client_b.build_remote_project(project_id, cx_b).await;
2107
2108 let worktree_a =
2109 project_a.read_with(cx_a, |project, cx| project.worktrees(cx).next().unwrap());
2110 let worktree_b =
2111 project_b.read_with(cx_b, |project, cx| project.worktrees(cx).next().unwrap());
2112
2113 let entry = project_b
2114 .update(cx_b, |project, cx| {
2115 project
2116 .create_entry((worktree_id, "c.txt"), false, cx)
2117 .unwrap()
2118 })
2119 .await
2120 .unwrap();
2121 worktree_a.read_with(cx_a, |worktree, _| {
2122 assert_eq!(
2123 worktree
2124 .paths()
2125 .map(|p| p.to_string_lossy())
2126 .collect::<Vec<_>>(),
2127 ["a.txt", "b.txt", "c.txt"]
2128 );
2129 });
2130 worktree_b.read_with(cx_b, |worktree, _| {
2131 assert_eq!(
2132 worktree
2133 .paths()
2134 .map(|p| p.to_string_lossy())
2135 .collect::<Vec<_>>(),
2136 ["a.txt", "b.txt", "c.txt"]
2137 );
2138 });
2139
2140 project_b
2141 .update(cx_b, |project, cx| {
2142 project.rename_entry(entry.id, Path::new("d.txt"), cx)
2143 })
2144 .unwrap()
2145 .await
2146 .unwrap();
2147 worktree_a.read_with(cx_a, |worktree, _| {
2148 assert_eq!(
2149 worktree
2150 .paths()
2151 .map(|p| p.to_string_lossy())
2152 .collect::<Vec<_>>(),
2153 ["a.txt", "b.txt", "d.txt"]
2154 );
2155 });
2156 worktree_b.read_with(cx_b, |worktree, _| {
2157 assert_eq!(
2158 worktree
2159 .paths()
2160 .map(|p| p.to_string_lossy())
2161 .collect::<Vec<_>>(),
2162 ["a.txt", "b.txt", "d.txt"]
2163 );
2164 });
2165
2166 let dir_entry = project_b
2167 .update(cx_b, |project, cx| {
2168 project
2169 .create_entry((worktree_id, "DIR"), true, cx)
2170 .unwrap()
2171 })
2172 .await
2173 .unwrap();
2174 worktree_a.read_with(cx_a, |worktree, _| {
2175 assert_eq!(
2176 worktree
2177 .paths()
2178 .map(|p| p.to_string_lossy())
2179 .collect::<Vec<_>>(),
2180 ["DIR", "a.txt", "b.txt", "d.txt"]
2181 );
2182 });
2183 worktree_b.read_with(cx_b, |worktree, _| {
2184 assert_eq!(
2185 worktree
2186 .paths()
2187 .map(|p| p.to_string_lossy())
2188 .collect::<Vec<_>>(),
2189 ["DIR", "a.txt", "b.txt", "d.txt"]
2190 );
2191 });
2192
2193 project_b
2194 .update(cx_b, |project, cx| {
2195 project.delete_entry(dir_entry.id, cx).unwrap()
2196 })
2197 .await
2198 .unwrap();
2199 worktree_a.read_with(cx_a, |worktree, _| {
2200 assert_eq!(
2201 worktree
2202 .paths()
2203 .map(|p| p.to_string_lossy())
2204 .collect::<Vec<_>>(),
2205 ["a.txt", "b.txt", "d.txt"]
2206 );
2207 });
2208 worktree_b.read_with(cx_b, |worktree, _| {
2209 assert_eq!(
2210 worktree
2211 .paths()
2212 .map(|p| p.to_string_lossy())
2213 .collect::<Vec<_>>(),
2214 ["a.txt", "b.txt", "d.txt"]
2215 );
2216 });
2217
2218 project_b
2219 .update(cx_b, |project, cx| {
2220 project.delete_entry(entry.id, cx).unwrap()
2221 })
2222 .await
2223 .unwrap();
2224 worktree_a.read_with(cx_a, |worktree, _| {
2225 assert_eq!(
2226 worktree
2227 .paths()
2228 .map(|p| p.to_string_lossy())
2229 .collect::<Vec<_>>(),
2230 ["a.txt", "b.txt"]
2231 );
2232 });
2233 worktree_b.read_with(cx_b, |worktree, _| {
2234 assert_eq!(
2235 worktree
2236 .paths()
2237 .map(|p| p.to_string_lossy())
2238 .collect::<Vec<_>>(),
2239 ["a.txt", "b.txt"]
2240 );
2241 });
2242 }
2243
2244 #[gpui::test(iterations = 10)]
2245 async fn test_buffer_conflict_after_save(cx_a: &mut TestAppContext, cx_b: &mut TestAppContext) {
2246 cx_a.foreground().forbid_parking();
2247 let lang_registry = Arc::new(LanguageRegistry::test());
2248 let fs = FakeFs::new(cx_a.background());
2249
2250 // Connect to a server as 2 clients.
2251 let mut server = TestServer::start(cx_a.foreground(), cx_a.background()).await;
2252 let client_a = server.create_client(cx_a, "user_a").await;
2253 let client_b = server.create_client(cx_b, "user_b").await;
2254 server
2255 .make_contacts(vec![(&client_a, cx_a), (&client_b, cx_b)])
2256 .await;
2257
2258 // Share a project as client A
2259 fs.insert_tree(
2260 "/dir",
2261 json!({
2262 "a.txt": "a-contents",
2263 }),
2264 )
2265 .await;
2266
2267 let project_a = cx_a.update(|cx| {
2268 Project::local(
2269 client_a.clone(),
2270 client_a.user_store.clone(),
2271 lang_registry.clone(),
2272 fs.clone(),
2273 cx,
2274 )
2275 });
2276 let (worktree_a, _) = project_a
2277 .update(cx_a, |p, cx| {
2278 p.find_or_create_local_worktree("/dir", true, cx)
2279 })
2280 .await
2281 .unwrap();
2282 worktree_a
2283 .read_with(cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
2284 .await;
2285 let project_id = project_a.update(cx_a, |p, _| p.next_remote_id()).await;
2286 let worktree_id = worktree_a.read_with(cx_a, |tree, _| tree.id());
2287 project_a.update(cx_a, |p, cx| p.share(cx)).await.unwrap();
2288
2289 // Join that project as client B
2290 let project_b = Project::remote(
2291 project_id,
2292 client_b.clone(),
2293 client_b.user_store.clone(),
2294 lang_registry.clone(),
2295 fs.clone(),
2296 &mut cx_b.to_async(),
2297 )
2298 .await
2299 .unwrap();
2300
2301 // Open a buffer as client B
2302 let buffer_b = project_b
2303 .update(cx_b, |p, cx| p.open_buffer((worktree_id, "a.txt"), cx))
2304 .await
2305 .unwrap();
2306
2307 buffer_b.update(cx_b, |buf, cx| buf.edit([(0..0, "world ")], cx));
2308 buffer_b.read_with(cx_b, |buf, _| {
2309 assert!(buf.is_dirty());
2310 assert!(!buf.has_conflict());
2311 });
2312
2313 buffer_b.update(cx_b, |buf, cx| buf.save(cx)).await.unwrap();
2314 buffer_b
2315 .condition(&cx_b, |buffer_b, _| !buffer_b.is_dirty())
2316 .await;
2317 buffer_b.read_with(cx_b, |buf, _| {
2318 assert!(!buf.has_conflict());
2319 });
2320
2321 buffer_b.update(cx_b, |buf, cx| buf.edit([(0..0, "hello ")], cx));
2322 buffer_b.read_with(cx_b, |buf, _| {
2323 assert!(buf.is_dirty());
2324 assert!(!buf.has_conflict());
2325 });
2326 }
2327
2328 #[gpui::test(iterations = 10)]
2329 async fn test_buffer_reloading(cx_a: &mut TestAppContext, cx_b: &mut TestAppContext) {
2330 cx_a.foreground().forbid_parking();
2331 let lang_registry = Arc::new(LanguageRegistry::test());
2332 let fs = FakeFs::new(cx_a.background());
2333
2334 // Connect to a server as 2 clients.
2335 let mut server = TestServer::start(cx_a.foreground(), cx_a.background()).await;
2336 let client_a = server.create_client(cx_a, "user_a").await;
2337 let client_b = server.create_client(cx_b, "user_b").await;
2338 server
2339 .make_contacts(vec![(&client_a, cx_a), (&client_b, cx_b)])
2340 .await;
2341
2342 // Share a project as client A
2343 fs.insert_tree(
2344 "/dir",
2345 json!({
2346 "a.txt": "a-contents",
2347 }),
2348 )
2349 .await;
2350
2351 let project_a = cx_a.update(|cx| {
2352 Project::local(
2353 client_a.clone(),
2354 client_a.user_store.clone(),
2355 lang_registry.clone(),
2356 fs.clone(),
2357 cx,
2358 )
2359 });
2360 let (worktree_a, _) = project_a
2361 .update(cx_a, |p, cx| {
2362 p.find_or_create_local_worktree("/dir", true, cx)
2363 })
2364 .await
2365 .unwrap();
2366 worktree_a
2367 .read_with(cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
2368 .await;
2369 let project_id = project_a.update(cx_a, |p, _| p.next_remote_id()).await;
2370 let worktree_id = worktree_a.read_with(cx_a, |tree, _| tree.id());
2371 project_a.update(cx_a, |p, cx| p.share(cx)).await.unwrap();
2372
2373 // Join that project as client B
2374 let project_b = Project::remote(
2375 project_id,
2376 client_b.clone(),
2377 client_b.user_store.clone(),
2378 lang_registry.clone(),
2379 fs.clone(),
2380 &mut cx_b.to_async(),
2381 )
2382 .await
2383 .unwrap();
2384 let _worktree_b = project_b.update(cx_b, |p, cx| p.worktrees(cx).next().unwrap());
2385
2386 // Open a buffer as client B
2387 let buffer_b = project_b
2388 .update(cx_b, |p, cx| p.open_buffer((worktree_id, "a.txt"), cx))
2389 .await
2390 .unwrap();
2391 buffer_b.read_with(cx_b, |buf, _| {
2392 assert!(!buf.is_dirty());
2393 assert!(!buf.has_conflict());
2394 });
2395
2396 fs.save(Path::new("/dir/a.txt"), &"new contents".into())
2397 .await
2398 .unwrap();
2399 buffer_b
2400 .condition(&cx_b, |buf, _| {
2401 buf.text() == "new contents" && !buf.is_dirty()
2402 })
2403 .await;
2404 buffer_b.read_with(cx_b, |buf, _| {
2405 assert!(!buf.has_conflict());
2406 });
2407 }
2408
2409 #[gpui::test(iterations = 10)]
2410 async fn test_editing_while_guest_opens_buffer(
2411 cx_a: &mut TestAppContext,
2412 cx_b: &mut TestAppContext,
2413 ) {
2414 cx_a.foreground().forbid_parking();
2415 let lang_registry = Arc::new(LanguageRegistry::test());
2416 let fs = FakeFs::new(cx_a.background());
2417
2418 // Connect to a server as 2 clients.
2419 let mut server = TestServer::start(cx_a.foreground(), cx_a.background()).await;
2420 let client_a = server.create_client(cx_a, "user_a").await;
2421 let client_b = server.create_client(cx_b, "user_b").await;
2422 server
2423 .make_contacts(vec![(&client_a, cx_a), (&client_b, cx_b)])
2424 .await;
2425
2426 // Share a project as client A
2427 fs.insert_tree(
2428 "/dir",
2429 json!({
2430 "a.txt": "a-contents",
2431 }),
2432 )
2433 .await;
2434 let project_a = cx_a.update(|cx| {
2435 Project::local(
2436 client_a.clone(),
2437 client_a.user_store.clone(),
2438 lang_registry.clone(),
2439 fs.clone(),
2440 cx,
2441 )
2442 });
2443 let (worktree_a, _) = project_a
2444 .update(cx_a, |p, cx| {
2445 p.find_or_create_local_worktree("/dir", true, cx)
2446 })
2447 .await
2448 .unwrap();
2449 worktree_a
2450 .read_with(cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
2451 .await;
2452 let project_id = project_a.update(cx_a, |p, _| p.next_remote_id()).await;
2453 let worktree_id = worktree_a.read_with(cx_a, |tree, _| tree.id());
2454 project_a.update(cx_a, |p, cx| p.share(cx)).await.unwrap();
2455
2456 // Join that project as client B
2457 let project_b = Project::remote(
2458 project_id,
2459 client_b.clone(),
2460 client_b.user_store.clone(),
2461 lang_registry.clone(),
2462 fs.clone(),
2463 &mut cx_b.to_async(),
2464 )
2465 .await
2466 .unwrap();
2467
2468 // Open a buffer as client A
2469 let buffer_a = project_a
2470 .update(cx_a, |p, cx| p.open_buffer((worktree_id, "a.txt"), cx))
2471 .await
2472 .unwrap();
2473
2474 // Start opening the same buffer as client B
2475 let buffer_b = cx_b
2476 .background()
2477 .spawn(project_b.update(cx_b, |p, cx| p.open_buffer((worktree_id, "a.txt"), cx)));
2478
2479 // Edit the buffer as client A while client B is still opening it.
2480 cx_b.background().simulate_random_delay().await;
2481 buffer_a.update(cx_a, |buf, cx| buf.edit([(0..0, "X")], cx));
2482 cx_b.background().simulate_random_delay().await;
2483 buffer_a.update(cx_a, |buf, cx| buf.edit([(1..1, "Y")], cx));
2484
2485 let text = buffer_a.read_with(cx_a, |buf, _| buf.text());
2486 let buffer_b = buffer_b.await.unwrap();
2487 buffer_b.condition(&cx_b, |buf, _| buf.text() == text).await;
2488 }
2489
2490 #[gpui::test(iterations = 10)]
2491 async fn test_leaving_worktree_while_opening_buffer(
2492 cx_a: &mut TestAppContext,
2493 cx_b: &mut TestAppContext,
2494 ) {
2495 cx_a.foreground().forbid_parking();
2496 let lang_registry = Arc::new(LanguageRegistry::test());
2497 let fs = FakeFs::new(cx_a.background());
2498
2499 // Connect to a server as 2 clients.
2500 let mut server = TestServer::start(cx_a.foreground(), cx_a.background()).await;
2501 let client_a = server.create_client(cx_a, "user_a").await;
2502 let client_b = server.create_client(cx_b, "user_b").await;
2503 server
2504 .make_contacts(vec![(&client_a, cx_a), (&client_b, cx_b)])
2505 .await;
2506
2507 // Share a project as client A
2508 fs.insert_tree(
2509 "/dir",
2510 json!({
2511 "a.txt": "a-contents",
2512 }),
2513 )
2514 .await;
2515 let project_a = cx_a.update(|cx| {
2516 Project::local(
2517 client_a.clone(),
2518 client_a.user_store.clone(),
2519 lang_registry.clone(),
2520 fs.clone(),
2521 cx,
2522 )
2523 });
2524 let (worktree_a, _) = project_a
2525 .update(cx_a, |p, cx| {
2526 p.find_or_create_local_worktree("/dir", true, cx)
2527 })
2528 .await
2529 .unwrap();
2530 worktree_a
2531 .read_with(cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
2532 .await;
2533 let project_id = project_a.update(cx_a, |p, _| p.next_remote_id()).await;
2534 let worktree_id = worktree_a.read_with(cx_a, |tree, _| tree.id());
2535 project_a.update(cx_a, |p, cx| p.share(cx)).await.unwrap();
2536
2537 // Join that project as client B
2538 let project_b = Project::remote(
2539 project_id,
2540 client_b.clone(),
2541 client_b.user_store.clone(),
2542 lang_registry.clone(),
2543 fs.clone(),
2544 &mut cx_b.to_async(),
2545 )
2546 .await
2547 .unwrap();
2548
2549 // See that a guest has joined as client A.
2550 project_a
2551 .condition(&cx_a, |p, _| p.collaborators().len() == 1)
2552 .await;
2553
2554 // Begin opening a buffer as client B, but leave the project before the open completes.
2555 let buffer_b = cx_b
2556 .background()
2557 .spawn(project_b.update(cx_b, |p, cx| p.open_buffer((worktree_id, "a.txt"), cx)));
2558 cx_b.update(|_| drop(project_b));
2559 drop(buffer_b);
2560
2561 // See that the guest has left.
2562 project_a
2563 .condition(&cx_a, |p, _| p.collaborators().len() == 0)
2564 .await;
2565 }
2566
2567 #[gpui::test(iterations = 10)]
2568 async fn test_leaving_project(cx_a: &mut TestAppContext, cx_b: &mut TestAppContext) {
2569 cx_a.foreground().forbid_parking();
2570 let lang_registry = Arc::new(LanguageRegistry::test());
2571 let fs = FakeFs::new(cx_a.background());
2572
2573 // Connect to a server as 2 clients.
2574 let mut server = TestServer::start(cx_a.foreground(), cx_a.background()).await;
2575 let client_a = server.create_client(cx_a, "user_a").await;
2576 let client_b = server.create_client(cx_b, "user_b").await;
2577 server
2578 .make_contacts(vec![(&client_a, cx_a), (&client_b, cx_b)])
2579 .await;
2580
2581 // Share a project as client A
2582 fs.insert_tree(
2583 "/a",
2584 json!({
2585 "a.txt": "a-contents",
2586 "b.txt": "b-contents",
2587 }),
2588 )
2589 .await;
2590 let project_a = cx_a.update(|cx| {
2591 Project::local(
2592 client_a.clone(),
2593 client_a.user_store.clone(),
2594 lang_registry.clone(),
2595 fs.clone(),
2596 cx,
2597 )
2598 });
2599 let (worktree_a, _) = project_a
2600 .update(cx_a, |p, cx| {
2601 p.find_or_create_local_worktree("/a", true, cx)
2602 })
2603 .await
2604 .unwrap();
2605 worktree_a
2606 .read_with(cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
2607 .await;
2608 let project_id = project_a
2609 .update(cx_a, |project, _| project.next_remote_id())
2610 .await;
2611 project_a
2612 .update(cx_a, |project, cx| project.share(cx))
2613 .await
2614 .unwrap();
2615
2616 // Join that project as client B
2617 let _project_b = Project::remote(
2618 project_id,
2619 client_b.clone(),
2620 client_b.user_store.clone(),
2621 lang_registry.clone(),
2622 fs.clone(),
2623 &mut cx_b.to_async(),
2624 )
2625 .await
2626 .unwrap();
2627
2628 // Client A sees that a guest has joined.
2629 project_a
2630 .condition(cx_a, |p, _| p.collaborators().len() == 1)
2631 .await;
2632
2633 // Drop client B's connection and ensure client A observes client B leaving the project.
2634 client_b.disconnect(&cx_b.to_async()).unwrap();
2635 project_a
2636 .condition(cx_a, |p, _| p.collaborators().len() == 0)
2637 .await;
2638
2639 // Rejoin the project as client B
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 sees that a guest has re-joined.
2652 project_a
2653 .condition(cx_a, |p, _| p.collaborators().len() == 1)
2654 .await;
2655
2656 // Simulate connection loss for client B and ensure client A observes client B leaving the project.
2657 client_b.wait_for_current_user(cx_b).await;
2658 server.disconnect_client(client_b.current_user_id(cx_b));
2659 cx_a.foreground().advance_clock(rpc::RECEIVE_TIMEOUT);
2660 project_a
2661 .condition(cx_a, |p, _| p.collaborators().len() == 0)
2662 .await;
2663 }
2664
2665 #[gpui::test(iterations = 10)]
2666 async fn test_collaborating_with_diagnostics(
2667 cx_a: &mut TestAppContext,
2668 cx_b: &mut TestAppContext,
2669 ) {
2670 cx_a.foreground().forbid_parking();
2671 let lang_registry = Arc::new(LanguageRegistry::test());
2672 let fs = FakeFs::new(cx_a.background());
2673
2674 // Set up a fake language server.
2675 let mut language = Language::new(
2676 LanguageConfig {
2677 name: "Rust".into(),
2678 path_suffixes: vec!["rs".to_string()],
2679 ..Default::default()
2680 },
2681 Some(tree_sitter_rust::language()),
2682 );
2683 let mut fake_language_servers = language.set_fake_lsp_adapter(Default::default());
2684 lang_registry.add(Arc::new(language));
2685
2686 // Connect to a server as 2 clients.
2687 let mut server = TestServer::start(cx_a.foreground(), cx_a.background()).await;
2688 let client_a = server.create_client(cx_a, "user_a").await;
2689 let client_b = server.create_client(cx_b, "user_b").await;
2690 server
2691 .make_contacts(vec![(&client_a, cx_a), (&client_b, cx_b)])
2692 .await;
2693
2694 // Share a project as client A
2695 fs.insert_tree(
2696 "/a",
2697 json!({
2698 "a.rs": "let one = two",
2699 "other.rs": "",
2700 }),
2701 )
2702 .await;
2703 let project_a = cx_a.update(|cx| {
2704 Project::local(
2705 client_a.clone(),
2706 client_a.user_store.clone(),
2707 lang_registry.clone(),
2708 fs.clone(),
2709 cx,
2710 )
2711 });
2712 let (worktree_a, _) = project_a
2713 .update(cx_a, |p, cx| {
2714 p.find_or_create_local_worktree("/a", true, cx)
2715 })
2716 .await
2717 .unwrap();
2718 worktree_a
2719 .read_with(cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
2720 .await;
2721 let project_id = project_a.update(cx_a, |p, _| p.next_remote_id()).await;
2722 let worktree_id = worktree_a.read_with(cx_a, |tree, _| tree.id());
2723 project_a.update(cx_a, |p, cx| p.share(cx)).await.unwrap();
2724
2725 // Cause the language server to start.
2726 let _ = cx_a
2727 .background()
2728 .spawn(project_a.update(cx_a, |project, cx| {
2729 project.open_buffer(
2730 ProjectPath {
2731 worktree_id,
2732 path: Path::new("other.rs").into(),
2733 },
2734 cx,
2735 )
2736 }))
2737 .await
2738 .unwrap();
2739
2740 // Simulate a language server reporting errors for a file.
2741 let mut fake_language_server = fake_language_servers.next().await.unwrap();
2742 fake_language_server
2743 .receive_notification::<lsp::notification::DidOpenTextDocument>()
2744 .await;
2745 fake_language_server.notify::<lsp::notification::PublishDiagnostics>(
2746 lsp::PublishDiagnosticsParams {
2747 uri: lsp::Url::from_file_path("/a/a.rs").unwrap(),
2748 version: None,
2749 diagnostics: vec![lsp::Diagnostic {
2750 severity: Some(lsp::DiagnosticSeverity::ERROR),
2751 range: lsp::Range::new(lsp::Position::new(0, 4), lsp::Position::new(0, 7)),
2752 message: "message 1".to_string(),
2753 ..Default::default()
2754 }],
2755 },
2756 );
2757
2758 // Wait for server to see the diagnostics update.
2759 server
2760 .condition(|store| {
2761 let worktree = store
2762 .project(project_id)
2763 .unwrap()
2764 .share
2765 .as_ref()
2766 .unwrap()
2767 .worktrees
2768 .get(&worktree_id.to_proto())
2769 .unwrap();
2770
2771 !worktree.diagnostic_summaries.is_empty()
2772 })
2773 .await;
2774
2775 // Join the worktree as client B.
2776 let project_b = Project::remote(
2777 project_id,
2778 client_b.clone(),
2779 client_b.user_store.clone(),
2780 lang_registry.clone(),
2781 fs.clone(),
2782 &mut cx_b.to_async(),
2783 )
2784 .await
2785 .unwrap();
2786
2787 project_b.read_with(cx_b, |project, cx| {
2788 assert_eq!(
2789 project.diagnostic_summaries(cx).collect::<Vec<_>>(),
2790 &[(
2791 ProjectPath {
2792 worktree_id,
2793 path: Arc::from(Path::new("a.rs")),
2794 },
2795 DiagnosticSummary {
2796 error_count: 1,
2797 warning_count: 0,
2798 ..Default::default()
2799 },
2800 )]
2801 )
2802 });
2803
2804 // Simulate a language server reporting more errors for a file.
2805 fake_language_server.notify::<lsp::notification::PublishDiagnostics>(
2806 lsp::PublishDiagnosticsParams {
2807 uri: lsp::Url::from_file_path("/a/a.rs").unwrap(),
2808 version: None,
2809 diagnostics: vec![
2810 lsp::Diagnostic {
2811 severity: Some(lsp::DiagnosticSeverity::ERROR),
2812 range: lsp::Range::new(lsp::Position::new(0, 4), lsp::Position::new(0, 7)),
2813 message: "message 1".to_string(),
2814 ..Default::default()
2815 },
2816 lsp::Diagnostic {
2817 severity: Some(lsp::DiagnosticSeverity::WARNING),
2818 range: lsp::Range::new(
2819 lsp::Position::new(0, 10),
2820 lsp::Position::new(0, 13),
2821 ),
2822 message: "message 2".to_string(),
2823 ..Default::default()
2824 },
2825 ],
2826 },
2827 );
2828
2829 // Client b gets the updated summaries
2830 project_b
2831 .condition(&cx_b, |project, cx| {
2832 project.diagnostic_summaries(cx).collect::<Vec<_>>()
2833 == &[(
2834 ProjectPath {
2835 worktree_id,
2836 path: Arc::from(Path::new("a.rs")),
2837 },
2838 DiagnosticSummary {
2839 error_count: 1,
2840 warning_count: 1,
2841 ..Default::default()
2842 },
2843 )]
2844 })
2845 .await;
2846
2847 // Open the file with the errors on client B. They should be present.
2848 let buffer_b = cx_b
2849 .background()
2850 .spawn(project_b.update(cx_b, |p, cx| p.open_buffer((worktree_id, "a.rs"), cx)))
2851 .await
2852 .unwrap();
2853
2854 buffer_b.read_with(cx_b, |buffer, _| {
2855 assert_eq!(
2856 buffer
2857 .snapshot()
2858 .diagnostics_in_range::<_, Point>(0..buffer.len(), false)
2859 .map(|entry| entry)
2860 .collect::<Vec<_>>(),
2861 &[
2862 DiagnosticEntry {
2863 range: Point::new(0, 4)..Point::new(0, 7),
2864 diagnostic: Diagnostic {
2865 group_id: 0,
2866 message: "message 1".to_string(),
2867 severity: lsp::DiagnosticSeverity::ERROR,
2868 is_primary: true,
2869 ..Default::default()
2870 }
2871 },
2872 DiagnosticEntry {
2873 range: Point::new(0, 10)..Point::new(0, 13),
2874 diagnostic: Diagnostic {
2875 group_id: 1,
2876 severity: lsp::DiagnosticSeverity::WARNING,
2877 message: "message 2".to_string(),
2878 is_primary: true,
2879 ..Default::default()
2880 }
2881 }
2882 ]
2883 );
2884 });
2885
2886 // Simulate a language server reporting no errors for a file.
2887 fake_language_server.notify::<lsp::notification::PublishDiagnostics>(
2888 lsp::PublishDiagnosticsParams {
2889 uri: lsp::Url::from_file_path("/a/a.rs").unwrap(),
2890 version: None,
2891 diagnostics: vec![],
2892 },
2893 );
2894 project_a
2895 .condition(cx_a, |project, cx| {
2896 project.diagnostic_summaries(cx).collect::<Vec<_>>() == &[]
2897 })
2898 .await;
2899 project_b
2900 .condition(cx_b, |project, cx| {
2901 project.diagnostic_summaries(cx).collect::<Vec<_>>() == &[]
2902 })
2903 .await;
2904 }
2905
2906 #[gpui::test(iterations = 10)]
2907 async fn test_collaborating_with_completion(
2908 cx_a: &mut TestAppContext,
2909 cx_b: &mut TestAppContext,
2910 ) {
2911 cx_a.foreground().forbid_parking();
2912 let lang_registry = Arc::new(LanguageRegistry::test());
2913 let fs = FakeFs::new(cx_a.background());
2914
2915 // Set up a fake language server.
2916 let mut language = Language::new(
2917 LanguageConfig {
2918 name: "Rust".into(),
2919 path_suffixes: vec!["rs".to_string()],
2920 ..Default::default()
2921 },
2922 Some(tree_sitter_rust::language()),
2923 );
2924 let mut fake_language_servers = language.set_fake_lsp_adapter(FakeLspAdapter {
2925 capabilities: lsp::ServerCapabilities {
2926 completion_provider: Some(lsp::CompletionOptions {
2927 trigger_characters: Some(vec![".".to_string()]),
2928 ..Default::default()
2929 }),
2930 ..Default::default()
2931 },
2932 ..Default::default()
2933 });
2934 lang_registry.add(Arc::new(language));
2935
2936 // Connect to a server as 2 clients.
2937 let mut server = TestServer::start(cx_a.foreground(), cx_a.background()).await;
2938 let client_a = server.create_client(cx_a, "user_a").await;
2939 let client_b = server.create_client(cx_b, "user_b").await;
2940 server
2941 .make_contacts(vec![(&client_a, cx_a), (&client_b, cx_b)])
2942 .await;
2943
2944 // Share a project as client A
2945 fs.insert_tree(
2946 "/a",
2947 json!({
2948 "main.rs": "fn main() { a }",
2949 "other.rs": "",
2950 }),
2951 )
2952 .await;
2953 let project_a = cx_a.update(|cx| {
2954 Project::local(
2955 client_a.clone(),
2956 client_a.user_store.clone(),
2957 lang_registry.clone(),
2958 fs.clone(),
2959 cx,
2960 )
2961 });
2962 let (worktree_a, _) = project_a
2963 .update(cx_a, |p, cx| {
2964 p.find_or_create_local_worktree("/a", true, cx)
2965 })
2966 .await
2967 .unwrap();
2968 worktree_a
2969 .read_with(cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
2970 .await;
2971 let project_id = project_a.update(cx_a, |p, _| p.next_remote_id()).await;
2972 let worktree_id = worktree_a.read_with(cx_a, |tree, _| tree.id());
2973 project_a.update(cx_a, |p, cx| p.share(cx)).await.unwrap();
2974
2975 // Join the worktree as client B.
2976 let project_b = Project::remote(
2977 project_id,
2978 client_b.clone(),
2979 client_b.user_store.clone(),
2980 lang_registry.clone(),
2981 fs.clone(),
2982 &mut cx_b.to_async(),
2983 )
2984 .await
2985 .unwrap();
2986
2987 // Open a file in an editor as the guest.
2988 let buffer_b = project_b
2989 .update(cx_b, |p, cx| p.open_buffer((worktree_id, "main.rs"), cx))
2990 .await
2991 .unwrap();
2992 let (window_b, _) = cx_b.add_window(|_| EmptyView);
2993 let editor_b = cx_b.add_view(window_b, |cx| {
2994 Editor::for_buffer(buffer_b.clone(), Some(project_b.clone()), cx)
2995 });
2996
2997 let fake_language_server = fake_language_servers.next().await.unwrap();
2998 buffer_b
2999 .condition(&cx_b, |buffer, _| !buffer.completion_triggers().is_empty())
3000 .await;
3001
3002 // Type a completion trigger character as the guest.
3003 editor_b.update(cx_b, |editor, cx| {
3004 editor.select_ranges([13..13], None, cx);
3005 editor.handle_input(&Input(".".into()), cx);
3006 cx.focus(&editor_b);
3007 });
3008
3009 // Receive a completion request as the host's language server.
3010 // Return some completions from the host's language server.
3011 cx_a.foreground().start_waiting();
3012 fake_language_server
3013 .handle_request::<lsp::request::Completion, _, _>(|params, _| async move {
3014 assert_eq!(
3015 params.text_document_position.text_document.uri,
3016 lsp::Url::from_file_path("/a/main.rs").unwrap(),
3017 );
3018 assert_eq!(
3019 params.text_document_position.position,
3020 lsp::Position::new(0, 14),
3021 );
3022
3023 Ok(Some(lsp::CompletionResponse::Array(vec![
3024 lsp::CompletionItem {
3025 label: "first_method(…)".into(),
3026 detail: Some("fn(&mut self, B) -> C".into()),
3027 text_edit: Some(lsp::CompletionTextEdit::Edit(lsp::TextEdit {
3028 new_text: "first_method($1)".to_string(),
3029 range: lsp::Range::new(
3030 lsp::Position::new(0, 14),
3031 lsp::Position::new(0, 14),
3032 ),
3033 })),
3034 insert_text_format: Some(lsp::InsertTextFormat::SNIPPET),
3035 ..Default::default()
3036 },
3037 lsp::CompletionItem {
3038 label: "second_method(…)".into(),
3039 detail: Some("fn(&mut self, C) -> D<E>".into()),
3040 text_edit: Some(lsp::CompletionTextEdit::Edit(lsp::TextEdit {
3041 new_text: "second_method()".to_string(),
3042 range: lsp::Range::new(
3043 lsp::Position::new(0, 14),
3044 lsp::Position::new(0, 14),
3045 ),
3046 })),
3047 insert_text_format: Some(lsp::InsertTextFormat::SNIPPET),
3048 ..Default::default()
3049 },
3050 ])))
3051 })
3052 .next()
3053 .await
3054 .unwrap();
3055 cx_a.foreground().finish_waiting();
3056
3057 // Open the buffer on the host.
3058 let buffer_a = project_a
3059 .update(cx_a, |p, cx| p.open_buffer((worktree_id, "main.rs"), cx))
3060 .await
3061 .unwrap();
3062 buffer_a
3063 .condition(&cx_a, |buffer, _| buffer.text() == "fn main() { a. }")
3064 .await;
3065
3066 // Confirm a completion on the guest.
3067 editor_b
3068 .condition(&cx_b, |editor, _| editor.context_menu_visible())
3069 .await;
3070 editor_b.update(cx_b, |editor, cx| {
3071 editor.confirm_completion(&ConfirmCompletion { item_ix: Some(0) }, cx);
3072 assert_eq!(editor.text(cx), "fn main() { a.first_method() }");
3073 });
3074
3075 // Return a resolved completion from the host's language server.
3076 // The resolved completion has an additional text edit.
3077 fake_language_server.handle_request::<lsp::request::ResolveCompletionItem, _, _>(
3078 |params, _| async move {
3079 assert_eq!(params.label, "first_method(…)");
3080 Ok(lsp::CompletionItem {
3081 label: "first_method(…)".into(),
3082 detail: Some("fn(&mut self, B) -> C".into()),
3083 text_edit: Some(lsp::CompletionTextEdit::Edit(lsp::TextEdit {
3084 new_text: "first_method($1)".to_string(),
3085 range: lsp::Range::new(
3086 lsp::Position::new(0, 14),
3087 lsp::Position::new(0, 14),
3088 ),
3089 })),
3090 additional_text_edits: Some(vec![lsp::TextEdit {
3091 new_text: "use d::SomeTrait;\n".to_string(),
3092 range: lsp::Range::new(lsp::Position::new(0, 0), lsp::Position::new(0, 0)),
3093 }]),
3094 insert_text_format: Some(lsp::InsertTextFormat::SNIPPET),
3095 ..Default::default()
3096 })
3097 },
3098 );
3099
3100 // The additional edit is applied.
3101 buffer_a
3102 .condition(&cx_a, |buffer, _| {
3103 buffer.text() == "use d::SomeTrait;\nfn main() { a.first_method() }"
3104 })
3105 .await;
3106 buffer_b
3107 .condition(&cx_b, |buffer, _| {
3108 buffer.text() == "use d::SomeTrait;\nfn main() { a.first_method() }"
3109 })
3110 .await;
3111 }
3112
3113 #[gpui::test(iterations = 10)]
3114 async fn test_reloading_buffer_manually(cx_a: &mut TestAppContext, cx_b: &mut TestAppContext) {
3115 cx_a.foreground().forbid_parking();
3116 let lang_registry = Arc::new(LanguageRegistry::test());
3117 let fs = FakeFs::new(cx_a.background());
3118
3119 // Connect to a server as 2 clients.
3120 let mut server = TestServer::start(cx_a.foreground(), cx_a.background()).await;
3121 let client_a = server.create_client(cx_a, "user_a").await;
3122 let client_b = server.create_client(cx_b, "user_b").await;
3123 server
3124 .make_contacts(vec![(&client_a, cx_a), (&client_b, cx_b)])
3125 .await;
3126
3127 // Share a project as client A
3128 fs.insert_tree(
3129 "/a",
3130 json!({
3131 "a.rs": "let one = 1;",
3132 }),
3133 )
3134 .await;
3135 let project_a = cx_a.update(|cx| {
3136 Project::local(
3137 client_a.clone(),
3138 client_a.user_store.clone(),
3139 lang_registry.clone(),
3140 fs.clone(),
3141 cx,
3142 )
3143 });
3144 let (worktree_a, _) = project_a
3145 .update(cx_a, |p, cx| {
3146 p.find_or_create_local_worktree("/a", true, cx)
3147 })
3148 .await
3149 .unwrap();
3150 worktree_a
3151 .read_with(cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
3152 .await;
3153 let project_id = project_a.update(cx_a, |p, _| p.next_remote_id()).await;
3154 let worktree_id = worktree_a.read_with(cx_a, |tree, _| tree.id());
3155 project_a.update(cx_a, |p, cx| p.share(cx)).await.unwrap();
3156 let buffer_a = project_a
3157 .update(cx_a, |p, cx| p.open_buffer((worktree_id, "a.rs"), cx))
3158 .await
3159 .unwrap();
3160
3161 // Join the worktree as client B.
3162 let project_b = Project::remote(
3163 project_id,
3164 client_b.clone(),
3165 client_b.user_store.clone(),
3166 lang_registry.clone(),
3167 fs.clone(),
3168 &mut cx_b.to_async(),
3169 )
3170 .await
3171 .unwrap();
3172
3173 let buffer_b = cx_b
3174 .background()
3175 .spawn(project_b.update(cx_b, |p, cx| p.open_buffer((worktree_id, "a.rs"), cx)))
3176 .await
3177 .unwrap();
3178 buffer_b.update(cx_b, |buffer, cx| {
3179 buffer.edit([(4..7, "six")], cx);
3180 buffer.edit([(10..11, "6")], cx);
3181 assert_eq!(buffer.text(), "let six = 6;");
3182 assert!(buffer.is_dirty());
3183 assert!(!buffer.has_conflict());
3184 });
3185 buffer_a
3186 .condition(cx_a, |buffer, _| buffer.text() == "let six = 6;")
3187 .await;
3188
3189 fs.save(Path::new("/a/a.rs"), &Rope::from("let seven = 7;"))
3190 .await
3191 .unwrap();
3192 buffer_a
3193 .condition(cx_a, |buffer, _| buffer.has_conflict())
3194 .await;
3195 buffer_b
3196 .condition(cx_b, |buffer, _| buffer.has_conflict())
3197 .await;
3198
3199 project_b
3200 .update(cx_b, |project, cx| {
3201 project.reload_buffers(HashSet::from_iter([buffer_b.clone()]), true, cx)
3202 })
3203 .await
3204 .unwrap();
3205 buffer_a.read_with(cx_a, |buffer, _| {
3206 assert_eq!(buffer.text(), "let seven = 7;");
3207 assert!(!buffer.is_dirty());
3208 assert!(!buffer.has_conflict());
3209 });
3210 buffer_b.read_with(cx_b, |buffer, _| {
3211 assert_eq!(buffer.text(), "let seven = 7;");
3212 assert!(!buffer.is_dirty());
3213 assert!(!buffer.has_conflict());
3214 });
3215
3216 buffer_a.update(cx_a, |buffer, cx| {
3217 // Undoing on the host is a no-op when the reload was initiated by the guest.
3218 buffer.undo(cx);
3219 assert_eq!(buffer.text(), "let seven = 7;");
3220 assert!(!buffer.is_dirty());
3221 assert!(!buffer.has_conflict());
3222 });
3223 buffer_b.update(cx_b, |buffer, cx| {
3224 // Undoing on the guest rolls back the buffer to before it was reloaded but the conflict gets cleared.
3225 buffer.undo(cx);
3226 assert_eq!(buffer.text(), "let six = 6;");
3227 assert!(buffer.is_dirty());
3228 assert!(!buffer.has_conflict());
3229 });
3230 }
3231
3232 #[gpui::test(iterations = 10)]
3233 async fn test_formatting_buffer(cx_a: &mut TestAppContext, cx_b: &mut TestAppContext) {
3234 cx_a.foreground().forbid_parking();
3235 let lang_registry = Arc::new(LanguageRegistry::test());
3236 let fs = FakeFs::new(cx_a.background());
3237
3238 // Set up a fake language server.
3239 let mut language = Language::new(
3240 LanguageConfig {
3241 name: "Rust".into(),
3242 path_suffixes: vec!["rs".to_string()],
3243 ..Default::default()
3244 },
3245 Some(tree_sitter_rust::language()),
3246 );
3247 let mut fake_language_servers = language.set_fake_lsp_adapter(Default::default());
3248 lang_registry.add(Arc::new(language));
3249
3250 // Connect to a server as 2 clients.
3251 let mut server = TestServer::start(cx_a.foreground(), cx_a.background()).await;
3252 let client_a = server.create_client(cx_a, "user_a").await;
3253 let client_b = server.create_client(cx_b, "user_b").await;
3254 server
3255 .make_contacts(vec![(&client_a, cx_a), (&client_b, cx_b)])
3256 .await;
3257
3258 // Share a project as client A
3259 fs.insert_tree(
3260 "/a",
3261 json!({
3262 "a.rs": "let one = two",
3263 }),
3264 )
3265 .await;
3266 let project_a = cx_a.update(|cx| {
3267 Project::local(
3268 client_a.clone(),
3269 client_a.user_store.clone(),
3270 lang_registry.clone(),
3271 fs.clone(),
3272 cx,
3273 )
3274 });
3275 let (worktree_a, _) = project_a
3276 .update(cx_a, |p, cx| {
3277 p.find_or_create_local_worktree("/a", true, cx)
3278 })
3279 .await
3280 .unwrap();
3281 worktree_a
3282 .read_with(cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
3283 .await;
3284 let project_id = project_a.update(cx_a, |p, _| p.next_remote_id()).await;
3285 let worktree_id = worktree_a.read_with(cx_a, |tree, _| tree.id());
3286 project_a.update(cx_a, |p, cx| p.share(cx)).await.unwrap();
3287
3288 // Join the worktree as client B.
3289 let project_b = Project::remote(
3290 project_id,
3291 client_b.clone(),
3292 client_b.user_store.clone(),
3293 lang_registry.clone(),
3294 fs.clone(),
3295 &mut cx_b.to_async(),
3296 )
3297 .await
3298 .unwrap();
3299
3300 let buffer_b = cx_b
3301 .background()
3302 .spawn(project_b.update(cx_b, |p, cx| p.open_buffer((worktree_id, "a.rs"), cx)))
3303 .await
3304 .unwrap();
3305
3306 let fake_language_server = fake_language_servers.next().await.unwrap();
3307 fake_language_server.handle_request::<lsp::request::Formatting, _, _>(|_, _| async move {
3308 Ok(Some(vec![
3309 lsp::TextEdit {
3310 range: lsp::Range::new(lsp::Position::new(0, 4), lsp::Position::new(0, 4)),
3311 new_text: "h".to_string(),
3312 },
3313 lsp::TextEdit {
3314 range: lsp::Range::new(lsp::Position::new(0, 7), lsp::Position::new(0, 7)),
3315 new_text: "y".to_string(),
3316 },
3317 ]))
3318 });
3319
3320 project_b
3321 .update(cx_b, |project, cx| {
3322 project.format(HashSet::from_iter([buffer_b.clone()]), true, cx)
3323 })
3324 .await
3325 .unwrap();
3326 assert_eq!(
3327 buffer_b.read_with(cx_b, |buffer, _| buffer.text()),
3328 "let honey = two"
3329 );
3330 }
3331
3332 #[gpui::test(iterations = 10)]
3333 async fn test_definition(cx_a: &mut TestAppContext, cx_b: &mut TestAppContext) {
3334 cx_a.foreground().forbid_parking();
3335 let lang_registry = Arc::new(LanguageRegistry::test());
3336 let fs = FakeFs::new(cx_a.background());
3337 fs.insert_tree(
3338 "/root-1",
3339 json!({
3340 "a.rs": "const ONE: usize = b::TWO + b::THREE;",
3341 }),
3342 )
3343 .await;
3344 fs.insert_tree(
3345 "/root-2",
3346 json!({
3347 "b.rs": "const TWO: usize = 2;\nconst THREE: usize = 3;",
3348 }),
3349 )
3350 .await;
3351
3352 // Set up a fake language server.
3353 let mut language = Language::new(
3354 LanguageConfig {
3355 name: "Rust".into(),
3356 path_suffixes: vec!["rs".to_string()],
3357 ..Default::default()
3358 },
3359 Some(tree_sitter_rust::language()),
3360 );
3361 let mut fake_language_servers = language.set_fake_lsp_adapter(Default::default());
3362 lang_registry.add(Arc::new(language));
3363
3364 // Connect to a server as 2 clients.
3365 let mut server = TestServer::start(cx_a.foreground(), cx_a.background()).await;
3366 let client_a = server.create_client(cx_a, "user_a").await;
3367 let client_b = server.create_client(cx_b, "user_b").await;
3368 server
3369 .make_contacts(vec![(&client_a, cx_a), (&client_b, cx_b)])
3370 .await;
3371
3372 // Share a project as client A
3373 let project_a = cx_a.update(|cx| {
3374 Project::local(
3375 client_a.clone(),
3376 client_a.user_store.clone(),
3377 lang_registry.clone(),
3378 fs.clone(),
3379 cx,
3380 )
3381 });
3382 let (worktree_a, _) = project_a
3383 .update(cx_a, |p, cx| {
3384 p.find_or_create_local_worktree("/root-1", true, cx)
3385 })
3386 .await
3387 .unwrap();
3388 worktree_a
3389 .read_with(cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
3390 .await;
3391 let project_id = project_a.update(cx_a, |p, _| p.next_remote_id()).await;
3392 let worktree_id = worktree_a.read_with(cx_a, |tree, _| tree.id());
3393 project_a.update(cx_a, |p, cx| p.share(cx)).await.unwrap();
3394
3395 // Join the worktree as client B.
3396 let project_b = Project::remote(
3397 project_id,
3398 client_b.clone(),
3399 client_b.user_store.clone(),
3400 lang_registry.clone(),
3401 fs.clone(),
3402 &mut cx_b.to_async(),
3403 )
3404 .await
3405 .unwrap();
3406
3407 // Open the file on client B.
3408 let buffer_b = cx_b
3409 .background()
3410 .spawn(project_b.update(cx_b, |p, cx| p.open_buffer((worktree_id, "a.rs"), cx)))
3411 .await
3412 .unwrap();
3413
3414 // Request the definition of a symbol as the guest.
3415 let fake_language_server = fake_language_servers.next().await.unwrap();
3416 fake_language_server.handle_request::<lsp::request::GotoDefinition, _, _>(
3417 |_, _| async move {
3418 Ok(Some(lsp::GotoDefinitionResponse::Scalar(
3419 lsp::Location::new(
3420 lsp::Url::from_file_path("/root-2/b.rs").unwrap(),
3421 lsp::Range::new(lsp::Position::new(0, 6), lsp::Position::new(0, 9)),
3422 ),
3423 )))
3424 },
3425 );
3426
3427 let definitions_1 = project_b
3428 .update(cx_b, |p, cx| p.definition(&buffer_b, 23, cx))
3429 .await
3430 .unwrap();
3431 cx_b.read(|cx| {
3432 assert_eq!(definitions_1.len(), 1);
3433 assert_eq!(project_b.read(cx).worktrees(cx).count(), 2);
3434 let target_buffer = definitions_1[0].buffer.read(cx);
3435 assert_eq!(
3436 target_buffer.text(),
3437 "const TWO: usize = 2;\nconst THREE: usize = 3;"
3438 );
3439 assert_eq!(
3440 definitions_1[0].range.to_point(target_buffer),
3441 Point::new(0, 6)..Point::new(0, 9)
3442 );
3443 });
3444
3445 // Try getting more definitions for the same buffer, ensuring the buffer gets reused from
3446 // the previous call to `definition`.
3447 fake_language_server.handle_request::<lsp::request::GotoDefinition, _, _>(
3448 |_, _| async move {
3449 Ok(Some(lsp::GotoDefinitionResponse::Scalar(
3450 lsp::Location::new(
3451 lsp::Url::from_file_path("/root-2/b.rs").unwrap(),
3452 lsp::Range::new(lsp::Position::new(1, 6), lsp::Position::new(1, 11)),
3453 ),
3454 )))
3455 },
3456 );
3457
3458 let definitions_2 = project_b
3459 .update(cx_b, |p, cx| p.definition(&buffer_b, 33, cx))
3460 .await
3461 .unwrap();
3462 cx_b.read(|cx| {
3463 assert_eq!(definitions_2.len(), 1);
3464 assert_eq!(project_b.read(cx).worktrees(cx).count(), 2);
3465 let target_buffer = definitions_2[0].buffer.read(cx);
3466 assert_eq!(
3467 target_buffer.text(),
3468 "const TWO: usize = 2;\nconst THREE: usize = 3;"
3469 );
3470 assert_eq!(
3471 definitions_2[0].range.to_point(target_buffer),
3472 Point::new(1, 6)..Point::new(1, 11)
3473 );
3474 });
3475 assert_eq!(definitions_1[0].buffer, definitions_2[0].buffer);
3476 }
3477
3478 #[gpui::test(iterations = 10)]
3479 async fn test_references(cx_a: &mut TestAppContext, cx_b: &mut TestAppContext) {
3480 cx_a.foreground().forbid_parking();
3481 let lang_registry = Arc::new(LanguageRegistry::test());
3482 let fs = FakeFs::new(cx_a.background());
3483 fs.insert_tree(
3484 "/root-1",
3485 json!({
3486 "one.rs": "const ONE: usize = 1;",
3487 "two.rs": "const TWO: usize = one::ONE + one::ONE;",
3488 }),
3489 )
3490 .await;
3491 fs.insert_tree(
3492 "/root-2",
3493 json!({
3494 "three.rs": "const THREE: usize = two::TWO + one::ONE;",
3495 }),
3496 )
3497 .await;
3498
3499 // Set up a fake language server.
3500 let mut language = Language::new(
3501 LanguageConfig {
3502 name: "Rust".into(),
3503 path_suffixes: vec!["rs".to_string()],
3504 ..Default::default()
3505 },
3506 Some(tree_sitter_rust::language()),
3507 );
3508 let mut fake_language_servers = language.set_fake_lsp_adapter(Default::default());
3509 lang_registry.add(Arc::new(language));
3510
3511 // Connect to a server as 2 clients.
3512 let mut server = TestServer::start(cx_a.foreground(), cx_a.background()).await;
3513 let client_a = server.create_client(cx_a, "user_a").await;
3514 let client_b = server.create_client(cx_b, "user_b").await;
3515 server
3516 .make_contacts(vec![(&client_a, cx_a), (&client_b, cx_b)])
3517 .await;
3518
3519 // Share a project as client A
3520 let project_a = cx_a.update(|cx| {
3521 Project::local(
3522 client_a.clone(),
3523 client_a.user_store.clone(),
3524 lang_registry.clone(),
3525 fs.clone(),
3526 cx,
3527 )
3528 });
3529 let (worktree_a, _) = project_a
3530 .update(cx_a, |p, cx| {
3531 p.find_or_create_local_worktree("/root-1", true, cx)
3532 })
3533 .await
3534 .unwrap();
3535 worktree_a
3536 .read_with(cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
3537 .await;
3538 let project_id = project_a.update(cx_a, |p, _| p.next_remote_id()).await;
3539 let worktree_id = worktree_a.read_with(cx_a, |tree, _| tree.id());
3540 project_a.update(cx_a, |p, cx| p.share(cx)).await.unwrap();
3541
3542 // Join the worktree as client B.
3543 let project_b = Project::remote(
3544 project_id,
3545 client_b.clone(),
3546 client_b.user_store.clone(),
3547 lang_registry.clone(),
3548 fs.clone(),
3549 &mut cx_b.to_async(),
3550 )
3551 .await
3552 .unwrap();
3553
3554 // Open the file on client B.
3555 let buffer_b = cx_b
3556 .background()
3557 .spawn(project_b.update(cx_b, |p, cx| p.open_buffer((worktree_id, "one.rs"), cx)))
3558 .await
3559 .unwrap();
3560
3561 // Request references to a symbol as the guest.
3562 let fake_language_server = fake_language_servers.next().await.unwrap();
3563 fake_language_server.handle_request::<lsp::request::References, _, _>(
3564 |params, _| async move {
3565 assert_eq!(
3566 params.text_document_position.text_document.uri.as_str(),
3567 "file:///root-1/one.rs"
3568 );
3569 Ok(Some(vec![
3570 lsp::Location {
3571 uri: lsp::Url::from_file_path("/root-1/two.rs").unwrap(),
3572 range: lsp::Range::new(
3573 lsp::Position::new(0, 24),
3574 lsp::Position::new(0, 27),
3575 ),
3576 },
3577 lsp::Location {
3578 uri: lsp::Url::from_file_path("/root-1/two.rs").unwrap(),
3579 range: lsp::Range::new(
3580 lsp::Position::new(0, 35),
3581 lsp::Position::new(0, 38),
3582 ),
3583 },
3584 lsp::Location {
3585 uri: lsp::Url::from_file_path("/root-2/three.rs").unwrap(),
3586 range: lsp::Range::new(
3587 lsp::Position::new(0, 37),
3588 lsp::Position::new(0, 40),
3589 ),
3590 },
3591 ]))
3592 },
3593 );
3594
3595 let references = project_b
3596 .update(cx_b, |p, cx| p.references(&buffer_b, 7, cx))
3597 .await
3598 .unwrap();
3599 cx_b.read(|cx| {
3600 assert_eq!(references.len(), 3);
3601 assert_eq!(project_b.read(cx).worktrees(cx).count(), 2);
3602
3603 let two_buffer = references[0].buffer.read(cx);
3604 let three_buffer = references[2].buffer.read(cx);
3605 assert_eq!(
3606 two_buffer.file().unwrap().path().as_ref(),
3607 Path::new("two.rs")
3608 );
3609 assert_eq!(references[1].buffer, references[0].buffer);
3610 assert_eq!(
3611 three_buffer.file().unwrap().full_path(cx),
3612 Path::new("three.rs")
3613 );
3614
3615 assert_eq!(references[0].range.to_offset(&two_buffer), 24..27);
3616 assert_eq!(references[1].range.to_offset(&two_buffer), 35..38);
3617 assert_eq!(references[2].range.to_offset(&three_buffer), 37..40);
3618 });
3619 }
3620
3621 #[gpui::test(iterations = 10)]
3622 async fn test_project_search(cx_a: &mut TestAppContext, cx_b: &mut TestAppContext) {
3623 cx_a.foreground().forbid_parking();
3624 let lang_registry = Arc::new(LanguageRegistry::test());
3625 let fs = FakeFs::new(cx_a.background());
3626 fs.insert_tree(
3627 "/root-1",
3628 json!({
3629 "a": "hello world",
3630 "b": "goodnight moon",
3631 "c": "a world of goo",
3632 "d": "world champion of clown world",
3633 }),
3634 )
3635 .await;
3636 fs.insert_tree(
3637 "/root-2",
3638 json!({
3639 "e": "disney world is fun",
3640 }),
3641 )
3642 .await;
3643
3644 // Connect to a server as 2 clients.
3645 let mut server = TestServer::start(cx_a.foreground(), cx_a.background()).await;
3646 let client_a = server.create_client(cx_a, "user_a").await;
3647 let client_b = server.create_client(cx_b, "user_b").await;
3648 server
3649 .make_contacts(vec![(&client_a, cx_a), (&client_b, cx_b)])
3650 .await;
3651
3652 // Share a project as client A
3653 let project_a = cx_a.update(|cx| {
3654 Project::local(
3655 client_a.clone(),
3656 client_a.user_store.clone(),
3657 lang_registry.clone(),
3658 fs.clone(),
3659 cx,
3660 )
3661 });
3662 let project_id = project_a.update(cx_a, |p, _| p.next_remote_id()).await;
3663
3664 let (worktree_1, _) = project_a
3665 .update(cx_a, |p, cx| {
3666 p.find_or_create_local_worktree("/root-1", true, cx)
3667 })
3668 .await
3669 .unwrap();
3670 worktree_1
3671 .read_with(cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
3672 .await;
3673 let (worktree_2, _) = project_a
3674 .update(cx_a, |p, cx| {
3675 p.find_or_create_local_worktree("/root-2", true, cx)
3676 })
3677 .await
3678 .unwrap();
3679 worktree_2
3680 .read_with(cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
3681 .await;
3682
3683 project_a.update(cx_a, |p, cx| p.share(cx)).await.unwrap();
3684
3685 // Join the worktree as client B.
3686 let project_b = Project::remote(
3687 project_id,
3688 client_b.clone(),
3689 client_b.user_store.clone(),
3690 lang_registry.clone(),
3691 fs.clone(),
3692 &mut cx_b.to_async(),
3693 )
3694 .await
3695 .unwrap();
3696
3697 let results = project_b
3698 .update(cx_b, |project, cx| {
3699 project.search(SearchQuery::text("world", false, false), cx)
3700 })
3701 .await
3702 .unwrap();
3703
3704 let mut ranges_by_path = results
3705 .into_iter()
3706 .map(|(buffer, ranges)| {
3707 buffer.read_with(cx_b, |buffer, cx| {
3708 let path = buffer.file().unwrap().full_path(cx);
3709 let offset_ranges = ranges
3710 .into_iter()
3711 .map(|range| range.to_offset(buffer))
3712 .collect::<Vec<_>>();
3713 (path, offset_ranges)
3714 })
3715 })
3716 .collect::<Vec<_>>();
3717 ranges_by_path.sort_by_key(|(path, _)| path.clone());
3718
3719 assert_eq!(
3720 ranges_by_path,
3721 &[
3722 (PathBuf::from("root-1/a"), vec![6..11]),
3723 (PathBuf::from("root-1/c"), vec![2..7]),
3724 (PathBuf::from("root-1/d"), vec![0..5, 24..29]),
3725 (PathBuf::from("root-2/e"), vec![7..12]),
3726 ]
3727 );
3728 }
3729
3730 #[gpui::test(iterations = 10)]
3731 async fn test_document_highlights(cx_a: &mut TestAppContext, cx_b: &mut TestAppContext) {
3732 cx_a.foreground().forbid_parking();
3733 let lang_registry = Arc::new(LanguageRegistry::test());
3734 let fs = FakeFs::new(cx_a.background());
3735 fs.insert_tree(
3736 "/root-1",
3737 json!({
3738 "main.rs": "fn double(number: i32) -> i32 { number + number }",
3739 }),
3740 )
3741 .await;
3742
3743 // Set up a fake language server.
3744 let mut language = Language::new(
3745 LanguageConfig {
3746 name: "Rust".into(),
3747 path_suffixes: vec!["rs".to_string()],
3748 ..Default::default()
3749 },
3750 Some(tree_sitter_rust::language()),
3751 );
3752 let mut fake_language_servers = language.set_fake_lsp_adapter(Default::default());
3753 lang_registry.add(Arc::new(language));
3754
3755 // Connect to a server as 2 clients.
3756 let mut server = TestServer::start(cx_a.foreground(), cx_a.background()).await;
3757 let client_a = server.create_client(cx_a, "user_a").await;
3758 let client_b = server.create_client(cx_b, "user_b").await;
3759 server
3760 .make_contacts(vec![(&client_a, cx_a), (&client_b, cx_b)])
3761 .await;
3762
3763 // Share a project as client A
3764 let project_a = cx_a.update(|cx| {
3765 Project::local(
3766 client_a.clone(),
3767 client_a.user_store.clone(),
3768 lang_registry.clone(),
3769 fs.clone(),
3770 cx,
3771 )
3772 });
3773 let (worktree_a, _) = project_a
3774 .update(cx_a, |p, cx| {
3775 p.find_or_create_local_worktree("/root-1", true, cx)
3776 })
3777 .await
3778 .unwrap();
3779 worktree_a
3780 .read_with(cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
3781 .await;
3782 let project_id = project_a.update(cx_a, |p, _| p.next_remote_id()).await;
3783 let worktree_id = worktree_a.read_with(cx_a, |tree, _| tree.id());
3784 project_a.update(cx_a, |p, cx| p.share(cx)).await.unwrap();
3785
3786 // Join the worktree as client B.
3787 let project_b = Project::remote(
3788 project_id,
3789 client_b.clone(),
3790 client_b.user_store.clone(),
3791 lang_registry.clone(),
3792 fs.clone(),
3793 &mut cx_b.to_async(),
3794 )
3795 .await
3796 .unwrap();
3797
3798 // Open the file on client B.
3799 let buffer_b = cx_b
3800 .background()
3801 .spawn(project_b.update(cx_b, |p, cx| p.open_buffer((worktree_id, "main.rs"), cx)))
3802 .await
3803 .unwrap();
3804
3805 // Request document highlights as the guest.
3806 let fake_language_server = fake_language_servers.next().await.unwrap();
3807 fake_language_server.handle_request::<lsp::request::DocumentHighlightRequest, _, _>(
3808 |params, _| async move {
3809 assert_eq!(
3810 params
3811 .text_document_position_params
3812 .text_document
3813 .uri
3814 .as_str(),
3815 "file:///root-1/main.rs"
3816 );
3817 assert_eq!(
3818 params.text_document_position_params.position,
3819 lsp::Position::new(0, 34)
3820 );
3821 Ok(Some(vec![
3822 lsp::DocumentHighlight {
3823 kind: Some(lsp::DocumentHighlightKind::WRITE),
3824 range: lsp::Range::new(
3825 lsp::Position::new(0, 10),
3826 lsp::Position::new(0, 16),
3827 ),
3828 },
3829 lsp::DocumentHighlight {
3830 kind: Some(lsp::DocumentHighlightKind::READ),
3831 range: lsp::Range::new(
3832 lsp::Position::new(0, 32),
3833 lsp::Position::new(0, 38),
3834 ),
3835 },
3836 lsp::DocumentHighlight {
3837 kind: Some(lsp::DocumentHighlightKind::READ),
3838 range: lsp::Range::new(
3839 lsp::Position::new(0, 41),
3840 lsp::Position::new(0, 47),
3841 ),
3842 },
3843 ]))
3844 },
3845 );
3846
3847 let highlights = project_b
3848 .update(cx_b, |p, cx| p.document_highlights(&buffer_b, 34, cx))
3849 .await
3850 .unwrap();
3851 buffer_b.read_with(cx_b, |buffer, _| {
3852 let snapshot = buffer.snapshot();
3853
3854 let highlights = highlights
3855 .into_iter()
3856 .map(|highlight| (highlight.kind, highlight.range.to_offset(&snapshot)))
3857 .collect::<Vec<_>>();
3858 assert_eq!(
3859 highlights,
3860 &[
3861 (lsp::DocumentHighlightKind::WRITE, 10..16),
3862 (lsp::DocumentHighlightKind::READ, 32..38),
3863 (lsp::DocumentHighlightKind::READ, 41..47)
3864 ]
3865 )
3866 });
3867 }
3868
3869 #[gpui::test(iterations = 10)]
3870 async fn test_project_symbols(cx_a: &mut TestAppContext, cx_b: &mut TestAppContext) {
3871 cx_a.foreground().forbid_parking();
3872 let lang_registry = Arc::new(LanguageRegistry::test());
3873 let fs = FakeFs::new(cx_a.background());
3874 fs.insert_tree(
3875 "/code",
3876 json!({
3877 "crate-1": {
3878 "one.rs": "const ONE: usize = 1;",
3879 },
3880 "crate-2": {
3881 "two.rs": "const TWO: usize = 2; const THREE: usize = 3;",
3882 },
3883 "private": {
3884 "passwords.txt": "the-password",
3885 }
3886 }),
3887 )
3888 .await;
3889
3890 // Set up a fake language server.
3891 let mut language = Language::new(
3892 LanguageConfig {
3893 name: "Rust".into(),
3894 path_suffixes: vec!["rs".to_string()],
3895 ..Default::default()
3896 },
3897 Some(tree_sitter_rust::language()),
3898 );
3899 let mut fake_language_servers = language.set_fake_lsp_adapter(Default::default());
3900 lang_registry.add(Arc::new(language));
3901
3902 // Connect to a server as 2 clients.
3903 let mut server = TestServer::start(cx_a.foreground(), cx_a.background()).await;
3904 let client_a = server.create_client(cx_a, "user_a").await;
3905 let client_b = server.create_client(cx_b, "user_b").await;
3906 server
3907 .make_contacts(vec![(&client_a, cx_a), (&client_b, cx_b)])
3908 .await;
3909
3910 // Share a project as client A
3911 let project_a = cx_a.update(|cx| {
3912 Project::local(
3913 client_a.clone(),
3914 client_a.user_store.clone(),
3915 lang_registry.clone(),
3916 fs.clone(),
3917 cx,
3918 )
3919 });
3920 let (worktree_a, _) = project_a
3921 .update(cx_a, |p, cx| {
3922 p.find_or_create_local_worktree("/code/crate-1", true, cx)
3923 })
3924 .await
3925 .unwrap();
3926 worktree_a
3927 .read_with(cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
3928 .await;
3929 let project_id = project_a.update(cx_a, |p, _| p.next_remote_id()).await;
3930 let worktree_id = worktree_a.read_with(cx_a, |tree, _| tree.id());
3931 project_a.update(cx_a, |p, cx| p.share(cx)).await.unwrap();
3932
3933 // Join the worktree as client B.
3934 let project_b = Project::remote(
3935 project_id,
3936 client_b.clone(),
3937 client_b.user_store.clone(),
3938 lang_registry.clone(),
3939 fs.clone(),
3940 &mut cx_b.to_async(),
3941 )
3942 .await
3943 .unwrap();
3944
3945 // Cause the language server to start.
3946 let _buffer = cx_b
3947 .background()
3948 .spawn(project_b.update(cx_b, |p, cx| p.open_buffer((worktree_id, "one.rs"), cx)))
3949 .await
3950 .unwrap();
3951
3952 let fake_language_server = fake_language_servers.next().await.unwrap();
3953 fake_language_server.handle_request::<lsp::request::WorkspaceSymbol, _, _>(
3954 |_, _| async move {
3955 #[allow(deprecated)]
3956 Ok(Some(vec![lsp::SymbolInformation {
3957 name: "TWO".into(),
3958 location: lsp::Location {
3959 uri: lsp::Url::from_file_path("/code/crate-2/two.rs").unwrap(),
3960 range: lsp::Range::new(lsp::Position::new(0, 6), lsp::Position::new(0, 9)),
3961 },
3962 kind: lsp::SymbolKind::CONSTANT,
3963 tags: None,
3964 container_name: None,
3965 deprecated: None,
3966 }]))
3967 },
3968 );
3969
3970 // Request the definition of a symbol as the guest.
3971 let symbols = project_b
3972 .update(cx_b, |p, cx| p.symbols("two", cx))
3973 .await
3974 .unwrap();
3975 assert_eq!(symbols.len(), 1);
3976 assert_eq!(symbols[0].name, "TWO");
3977
3978 // Open one of the returned symbols.
3979 let buffer_b_2 = project_b
3980 .update(cx_b, |project, cx| {
3981 project.open_buffer_for_symbol(&symbols[0], cx)
3982 })
3983 .await
3984 .unwrap();
3985 buffer_b_2.read_with(cx_b, |buffer, _| {
3986 assert_eq!(
3987 buffer.file().unwrap().path().as_ref(),
3988 Path::new("../crate-2/two.rs")
3989 );
3990 });
3991
3992 // Attempt to craft a symbol and violate host's privacy by opening an arbitrary file.
3993 let mut fake_symbol = symbols[0].clone();
3994 fake_symbol.path = Path::new("/code/secrets").into();
3995 let error = project_b
3996 .update(cx_b, |project, cx| {
3997 project.open_buffer_for_symbol(&fake_symbol, cx)
3998 })
3999 .await
4000 .unwrap_err();
4001 assert!(error.to_string().contains("invalid symbol signature"));
4002 }
4003
4004 #[gpui::test(iterations = 10)]
4005 async fn test_open_buffer_while_getting_definition_pointing_to_it(
4006 cx_a: &mut TestAppContext,
4007 cx_b: &mut TestAppContext,
4008 mut rng: StdRng,
4009 ) {
4010 cx_a.foreground().forbid_parking();
4011 let lang_registry = Arc::new(LanguageRegistry::test());
4012 let fs = FakeFs::new(cx_a.background());
4013 fs.insert_tree(
4014 "/root",
4015 json!({
4016 "a.rs": "const ONE: usize = b::TWO;",
4017 "b.rs": "const TWO: usize = 2",
4018 }),
4019 )
4020 .await;
4021
4022 // Set up a fake language server.
4023 let mut language = Language::new(
4024 LanguageConfig {
4025 name: "Rust".into(),
4026 path_suffixes: vec!["rs".to_string()],
4027 ..Default::default()
4028 },
4029 Some(tree_sitter_rust::language()),
4030 );
4031 let mut fake_language_servers = language.set_fake_lsp_adapter(Default::default());
4032 lang_registry.add(Arc::new(language));
4033
4034 // Connect to a server as 2 clients.
4035 let mut server = TestServer::start(cx_a.foreground(), cx_a.background()).await;
4036 let client_a = server.create_client(cx_a, "user_a").await;
4037 let client_b = server.create_client(cx_b, "user_b").await;
4038 server
4039 .make_contacts(vec![(&client_a, cx_a), (&client_b, cx_b)])
4040 .await;
4041
4042 // Share a project as client A
4043 let project_a = cx_a.update(|cx| {
4044 Project::local(
4045 client_a.clone(),
4046 client_a.user_store.clone(),
4047 lang_registry.clone(),
4048 fs.clone(),
4049 cx,
4050 )
4051 });
4052
4053 let (worktree_a, _) = project_a
4054 .update(cx_a, |p, cx| {
4055 p.find_or_create_local_worktree("/root", true, cx)
4056 })
4057 .await
4058 .unwrap();
4059 worktree_a
4060 .read_with(cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
4061 .await;
4062 let project_id = project_a.update(cx_a, |p, _| p.next_remote_id()).await;
4063 let worktree_id = worktree_a.read_with(cx_a, |tree, _| tree.id());
4064 project_a.update(cx_a, |p, cx| p.share(cx)).await.unwrap();
4065
4066 // Join the worktree as client B.
4067 let project_b = Project::remote(
4068 project_id,
4069 client_b.clone(),
4070 client_b.user_store.clone(),
4071 lang_registry.clone(),
4072 fs.clone(),
4073 &mut cx_b.to_async(),
4074 )
4075 .await
4076 .unwrap();
4077
4078 let buffer_b1 = cx_b
4079 .background()
4080 .spawn(project_b.update(cx_b, |p, cx| p.open_buffer((worktree_id, "a.rs"), cx)))
4081 .await
4082 .unwrap();
4083
4084 let fake_language_server = fake_language_servers.next().await.unwrap();
4085 fake_language_server.handle_request::<lsp::request::GotoDefinition, _, _>(
4086 |_, _| async move {
4087 Ok(Some(lsp::GotoDefinitionResponse::Scalar(
4088 lsp::Location::new(
4089 lsp::Url::from_file_path("/root/b.rs").unwrap(),
4090 lsp::Range::new(lsp::Position::new(0, 6), lsp::Position::new(0, 9)),
4091 ),
4092 )))
4093 },
4094 );
4095
4096 let definitions;
4097 let buffer_b2;
4098 if rng.gen() {
4099 definitions = project_b.update(cx_b, |p, cx| p.definition(&buffer_b1, 23, cx));
4100 buffer_b2 = project_b.update(cx_b, |p, cx| p.open_buffer((worktree_id, "b.rs"), cx));
4101 } else {
4102 buffer_b2 = project_b.update(cx_b, |p, cx| p.open_buffer((worktree_id, "b.rs"), cx));
4103 definitions = project_b.update(cx_b, |p, cx| p.definition(&buffer_b1, 23, cx));
4104 }
4105
4106 let buffer_b2 = buffer_b2.await.unwrap();
4107 let definitions = definitions.await.unwrap();
4108 assert_eq!(definitions.len(), 1);
4109 assert_eq!(definitions[0].buffer, buffer_b2);
4110 }
4111
4112 #[gpui::test(iterations = 10)]
4113 async fn test_collaborating_with_code_actions(
4114 cx_a: &mut TestAppContext,
4115 cx_b: &mut TestAppContext,
4116 ) {
4117 cx_a.foreground().forbid_parking();
4118 let lang_registry = Arc::new(LanguageRegistry::test());
4119 let fs = FakeFs::new(cx_a.background());
4120 cx_b.update(|cx| editor::init(cx));
4121
4122 // Set up a fake language server.
4123 let mut language = Language::new(
4124 LanguageConfig {
4125 name: "Rust".into(),
4126 path_suffixes: vec!["rs".to_string()],
4127 ..Default::default()
4128 },
4129 Some(tree_sitter_rust::language()),
4130 );
4131 let mut fake_language_servers = language.set_fake_lsp_adapter(Default::default());
4132 lang_registry.add(Arc::new(language));
4133
4134 // Connect to a server as 2 clients.
4135 let mut server = TestServer::start(cx_a.foreground(), cx_a.background()).await;
4136 let client_a = server.create_client(cx_a, "user_a").await;
4137 let client_b = server.create_client(cx_b, "user_b").await;
4138 server
4139 .make_contacts(vec![(&client_a, cx_a), (&client_b, cx_b)])
4140 .await;
4141
4142 // Share a project as client A
4143 fs.insert_tree(
4144 "/a",
4145 json!({
4146 "main.rs": "mod other;\nfn main() { let foo = other::foo(); }",
4147 "other.rs": "pub fn foo() -> usize { 4 }",
4148 }),
4149 )
4150 .await;
4151 let project_a = cx_a.update(|cx| {
4152 Project::local(
4153 client_a.clone(),
4154 client_a.user_store.clone(),
4155 lang_registry.clone(),
4156 fs.clone(),
4157 cx,
4158 )
4159 });
4160 let (worktree_a, _) = project_a
4161 .update(cx_a, |p, cx| {
4162 p.find_or_create_local_worktree("/a", true, cx)
4163 })
4164 .await
4165 .unwrap();
4166 worktree_a
4167 .read_with(cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
4168 .await;
4169 let project_id = project_a.update(cx_a, |p, _| p.next_remote_id()).await;
4170 let worktree_id = worktree_a.read_with(cx_a, |tree, _| tree.id());
4171 project_a.update(cx_a, |p, cx| p.share(cx)).await.unwrap();
4172
4173 // Join the worktree as client B.
4174 let project_b = Project::remote(
4175 project_id,
4176 client_b.clone(),
4177 client_b.user_store.clone(),
4178 lang_registry.clone(),
4179 fs.clone(),
4180 &mut cx_b.to_async(),
4181 )
4182 .await
4183 .unwrap();
4184 let mut params = cx_b.update(WorkspaceParams::test);
4185 params.languages = lang_registry.clone();
4186 params.client = client_b.client.clone();
4187 params.user_store = client_b.user_store.clone();
4188 params.project = project_b;
4189
4190 let (_window_b, workspace_b) = cx_b.add_window(|cx| Workspace::new(¶ms, cx));
4191 let editor_b = workspace_b
4192 .update(cx_b, |workspace, cx| {
4193 workspace.open_path((worktree_id, "main.rs"), true, cx)
4194 })
4195 .await
4196 .unwrap()
4197 .downcast::<Editor>()
4198 .unwrap();
4199
4200 let mut fake_language_server = fake_language_servers.next().await.unwrap();
4201 fake_language_server
4202 .handle_request::<lsp::request::CodeActionRequest, _, _>(|params, _| async move {
4203 assert_eq!(
4204 params.text_document.uri,
4205 lsp::Url::from_file_path("/a/main.rs").unwrap(),
4206 );
4207 assert_eq!(params.range.start, lsp::Position::new(0, 0));
4208 assert_eq!(params.range.end, lsp::Position::new(0, 0));
4209 Ok(None)
4210 })
4211 .next()
4212 .await;
4213
4214 // Move cursor to a location that contains code actions.
4215 editor_b.update(cx_b, |editor, cx| {
4216 editor.select_ranges([Point::new(1, 31)..Point::new(1, 31)], None, cx);
4217 cx.focus(&editor_b);
4218 });
4219
4220 fake_language_server
4221 .handle_request::<lsp::request::CodeActionRequest, _, _>(|params, _| async move {
4222 assert_eq!(
4223 params.text_document.uri,
4224 lsp::Url::from_file_path("/a/main.rs").unwrap(),
4225 );
4226 assert_eq!(params.range.start, lsp::Position::new(1, 31));
4227 assert_eq!(params.range.end, lsp::Position::new(1, 31));
4228
4229 Ok(Some(vec![lsp::CodeActionOrCommand::CodeAction(
4230 lsp::CodeAction {
4231 title: "Inline into all callers".to_string(),
4232 edit: Some(lsp::WorkspaceEdit {
4233 changes: Some(
4234 [
4235 (
4236 lsp::Url::from_file_path("/a/main.rs").unwrap(),
4237 vec![lsp::TextEdit::new(
4238 lsp::Range::new(
4239 lsp::Position::new(1, 22),
4240 lsp::Position::new(1, 34),
4241 ),
4242 "4".to_string(),
4243 )],
4244 ),
4245 (
4246 lsp::Url::from_file_path("/a/other.rs").unwrap(),
4247 vec![lsp::TextEdit::new(
4248 lsp::Range::new(
4249 lsp::Position::new(0, 0),
4250 lsp::Position::new(0, 27),
4251 ),
4252 "".to_string(),
4253 )],
4254 ),
4255 ]
4256 .into_iter()
4257 .collect(),
4258 ),
4259 ..Default::default()
4260 }),
4261 data: Some(json!({
4262 "codeActionParams": {
4263 "range": {
4264 "start": {"line": 1, "column": 31},
4265 "end": {"line": 1, "column": 31},
4266 }
4267 }
4268 })),
4269 ..Default::default()
4270 },
4271 )]))
4272 })
4273 .next()
4274 .await;
4275
4276 // Toggle code actions and wait for them to display.
4277 editor_b.update(cx_b, |editor, cx| {
4278 editor.toggle_code_actions(
4279 &ToggleCodeActions {
4280 deployed_from_indicator: false,
4281 },
4282 cx,
4283 );
4284 });
4285 editor_b
4286 .condition(&cx_b, |editor, _| editor.context_menu_visible())
4287 .await;
4288
4289 fake_language_server.remove_request_handler::<lsp::request::CodeActionRequest>();
4290
4291 // Confirming the code action will trigger a resolve request.
4292 let confirm_action = workspace_b
4293 .update(cx_b, |workspace, cx| {
4294 Editor::confirm_code_action(workspace, &ConfirmCodeAction { item_ix: Some(0) }, cx)
4295 })
4296 .unwrap();
4297 fake_language_server.handle_request::<lsp::request::CodeActionResolveRequest, _, _>(
4298 |_, _| async move {
4299 Ok(lsp::CodeAction {
4300 title: "Inline into all callers".to_string(),
4301 edit: Some(lsp::WorkspaceEdit {
4302 changes: Some(
4303 [
4304 (
4305 lsp::Url::from_file_path("/a/main.rs").unwrap(),
4306 vec![lsp::TextEdit::new(
4307 lsp::Range::new(
4308 lsp::Position::new(1, 22),
4309 lsp::Position::new(1, 34),
4310 ),
4311 "4".to_string(),
4312 )],
4313 ),
4314 (
4315 lsp::Url::from_file_path("/a/other.rs").unwrap(),
4316 vec![lsp::TextEdit::new(
4317 lsp::Range::new(
4318 lsp::Position::new(0, 0),
4319 lsp::Position::new(0, 27),
4320 ),
4321 "".to_string(),
4322 )],
4323 ),
4324 ]
4325 .into_iter()
4326 .collect(),
4327 ),
4328 ..Default::default()
4329 }),
4330 ..Default::default()
4331 })
4332 },
4333 );
4334
4335 // After the action is confirmed, an editor containing both modified files is opened.
4336 confirm_action.await.unwrap();
4337 let code_action_editor = workspace_b.read_with(cx_b, |workspace, cx| {
4338 workspace
4339 .active_item(cx)
4340 .unwrap()
4341 .downcast::<Editor>()
4342 .unwrap()
4343 });
4344 code_action_editor.update(cx_b, |editor, cx| {
4345 assert_eq!(editor.text(cx), "mod other;\nfn main() { let foo = 4; }\n");
4346 editor.undo(&Undo, cx);
4347 assert_eq!(
4348 editor.text(cx),
4349 "mod other;\nfn main() { let foo = other::foo(); }\npub fn foo() -> usize { 4 }"
4350 );
4351 editor.redo(&Redo, cx);
4352 assert_eq!(editor.text(cx), "mod other;\nfn main() { let foo = 4; }\n");
4353 });
4354 }
4355
4356 #[gpui::test(iterations = 10)]
4357 async fn test_collaborating_with_renames(cx_a: &mut TestAppContext, cx_b: &mut TestAppContext) {
4358 cx_a.foreground().forbid_parking();
4359 let lang_registry = Arc::new(LanguageRegistry::test());
4360 let fs = FakeFs::new(cx_a.background());
4361 cx_b.update(|cx| editor::init(cx));
4362
4363 // Set up a fake language server.
4364 let mut language = Language::new(
4365 LanguageConfig {
4366 name: "Rust".into(),
4367 path_suffixes: vec!["rs".to_string()],
4368 ..Default::default()
4369 },
4370 Some(tree_sitter_rust::language()),
4371 );
4372 let mut fake_language_servers = language.set_fake_lsp_adapter(FakeLspAdapter {
4373 capabilities: lsp::ServerCapabilities {
4374 rename_provider: Some(lsp::OneOf::Right(lsp::RenameOptions {
4375 prepare_provider: Some(true),
4376 work_done_progress_options: Default::default(),
4377 })),
4378 ..Default::default()
4379 },
4380 ..Default::default()
4381 });
4382 lang_registry.add(Arc::new(language));
4383
4384 // Connect to a server as 2 clients.
4385 let mut server = TestServer::start(cx_a.foreground(), cx_a.background()).await;
4386 let client_a = server.create_client(cx_a, "user_a").await;
4387 let client_b = server.create_client(cx_b, "user_b").await;
4388 server
4389 .make_contacts(vec![(&client_a, cx_a), (&client_b, cx_b)])
4390 .await;
4391
4392 // Share a project as client A
4393 fs.insert_tree(
4394 "/dir",
4395 json!({
4396 "one.rs": "const ONE: usize = 1;",
4397 "two.rs": "const TWO: usize = one::ONE + one::ONE;"
4398 }),
4399 )
4400 .await;
4401 let project_a = cx_a.update(|cx| {
4402 Project::local(
4403 client_a.clone(),
4404 client_a.user_store.clone(),
4405 lang_registry.clone(),
4406 fs.clone(),
4407 cx,
4408 )
4409 });
4410 let (worktree_a, _) = project_a
4411 .update(cx_a, |p, cx| {
4412 p.find_or_create_local_worktree("/dir", true, cx)
4413 })
4414 .await
4415 .unwrap();
4416 worktree_a
4417 .read_with(cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
4418 .await;
4419 let project_id = project_a.update(cx_a, |p, _| p.next_remote_id()).await;
4420 let worktree_id = worktree_a.read_with(cx_a, |tree, _| tree.id());
4421 project_a.update(cx_a, |p, cx| p.share(cx)).await.unwrap();
4422
4423 // Join the worktree as client B.
4424 let project_b = Project::remote(
4425 project_id,
4426 client_b.clone(),
4427 client_b.user_store.clone(),
4428 lang_registry.clone(),
4429 fs.clone(),
4430 &mut cx_b.to_async(),
4431 )
4432 .await
4433 .unwrap();
4434 let mut params = cx_b.update(WorkspaceParams::test);
4435 params.languages = lang_registry.clone();
4436 params.client = client_b.client.clone();
4437 params.user_store = client_b.user_store.clone();
4438 params.project = project_b;
4439
4440 let (_window_b, workspace_b) = cx_b.add_window(|cx| Workspace::new(¶ms, cx));
4441 let editor_b = workspace_b
4442 .update(cx_b, |workspace, cx| {
4443 workspace.open_path((worktree_id, "one.rs"), true, cx)
4444 })
4445 .await
4446 .unwrap()
4447 .downcast::<Editor>()
4448 .unwrap();
4449 let fake_language_server = fake_language_servers.next().await.unwrap();
4450
4451 // Move cursor to a location that can be renamed.
4452 let prepare_rename = editor_b.update(cx_b, |editor, cx| {
4453 editor.select_ranges([7..7], None, cx);
4454 editor.rename(&Rename, cx).unwrap()
4455 });
4456
4457 fake_language_server
4458 .handle_request::<lsp::request::PrepareRenameRequest, _, _>(|params, _| async move {
4459 assert_eq!(params.text_document.uri.as_str(), "file:///dir/one.rs");
4460 assert_eq!(params.position, lsp::Position::new(0, 7));
4461 Ok(Some(lsp::PrepareRenameResponse::Range(lsp::Range::new(
4462 lsp::Position::new(0, 6),
4463 lsp::Position::new(0, 9),
4464 ))))
4465 })
4466 .next()
4467 .await
4468 .unwrap();
4469 prepare_rename.await.unwrap();
4470 editor_b.update(cx_b, |editor, cx| {
4471 let rename = editor.pending_rename().unwrap();
4472 let buffer = editor.buffer().read(cx).snapshot(cx);
4473 assert_eq!(
4474 rename.range.start.to_offset(&buffer)..rename.range.end.to_offset(&buffer),
4475 6..9
4476 );
4477 rename.editor.update(cx, |rename_editor, cx| {
4478 rename_editor.buffer().update(cx, |rename_buffer, cx| {
4479 rename_buffer.edit([(0..3, "THREE")], cx);
4480 });
4481 });
4482 });
4483
4484 let confirm_rename = workspace_b.update(cx_b, |workspace, cx| {
4485 Editor::confirm_rename(workspace, &ConfirmRename, cx).unwrap()
4486 });
4487 fake_language_server
4488 .handle_request::<lsp::request::Rename, _, _>(|params, _| async move {
4489 assert_eq!(
4490 params.text_document_position.text_document.uri.as_str(),
4491 "file:///dir/one.rs"
4492 );
4493 assert_eq!(
4494 params.text_document_position.position,
4495 lsp::Position::new(0, 6)
4496 );
4497 assert_eq!(params.new_name, "THREE");
4498 Ok(Some(lsp::WorkspaceEdit {
4499 changes: Some(
4500 [
4501 (
4502 lsp::Url::from_file_path("/dir/one.rs").unwrap(),
4503 vec![lsp::TextEdit::new(
4504 lsp::Range::new(
4505 lsp::Position::new(0, 6),
4506 lsp::Position::new(0, 9),
4507 ),
4508 "THREE".to_string(),
4509 )],
4510 ),
4511 (
4512 lsp::Url::from_file_path("/dir/two.rs").unwrap(),
4513 vec![
4514 lsp::TextEdit::new(
4515 lsp::Range::new(
4516 lsp::Position::new(0, 24),
4517 lsp::Position::new(0, 27),
4518 ),
4519 "THREE".to_string(),
4520 ),
4521 lsp::TextEdit::new(
4522 lsp::Range::new(
4523 lsp::Position::new(0, 35),
4524 lsp::Position::new(0, 38),
4525 ),
4526 "THREE".to_string(),
4527 ),
4528 ],
4529 ),
4530 ]
4531 .into_iter()
4532 .collect(),
4533 ),
4534 ..Default::default()
4535 }))
4536 })
4537 .next()
4538 .await
4539 .unwrap();
4540 confirm_rename.await.unwrap();
4541
4542 let rename_editor = workspace_b.read_with(cx_b, |workspace, cx| {
4543 workspace
4544 .active_item(cx)
4545 .unwrap()
4546 .downcast::<Editor>()
4547 .unwrap()
4548 });
4549 rename_editor.update(cx_b, |editor, cx| {
4550 assert_eq!(
4551 editor.text(cx),
4552 "const THREE: usize = 1;\nconst TWO: usize = one::THREE + one::THREE;"
4553 );
4554 editor.undo(&Undo, cx);
4555 assert_eq!(
4556 editor.text(cx),
4557 "const ONE: usize = 1;\nconst TWO: usize = one::ONE + one::ONE;"
4558 );
4559 editor.redo(&Redo, cx);
4560 assert_eq!(
4561 editor.text(cx),
4562 "const THREE: usize = 1;\nconst TWO: usize = one::THREE + one::THREE;"
4563 );
4564 });
4565
4566 // Ensure temporary rename edits cannot be undone/redone.
4567 editor_b.update(cx_b, |editor, cx| {
4568 editor.undo(&Undo, cx);
4569 assert_eq!(editor.text(cx), "const ONE: usize = 1;");
4570 editor.undo(&Undo, cx);
4571 assert_eq!(editor.text(cx), "const ONE: usize = 1;");
4572 editor.redo(&Redo, cx);
4573 assert_eq!(editor.text(cx), "const THREE: usize = 1;");
4574 })
4575 }
4576
4577 #[gpui::test(iterations = 10)]
4578 async fn test_basic_chat(cx_a: &mut TestAppContext, cx_b: &mut TestAppContext) {
4579 cx_a.foreground().forbid_parking();
4580
4581 // Connect to a server as 2 clients.
4582 let mut server = TestServer::start(cx_a.foreground(), cx_a.background()).await;
4583 let client_a = server.create_client(cx_a, "user_a").await;
4584 let client_b = server.create_client(cx_b, "user_b").await;
4585
4586 // Create an org that includes these 2 users.
4587 let db = &server.app_state.db;
4588 let org_id = db.create_org("Test Org", "test-org").await.unwrap();
4589 db.add_org_member(org_id, client_a.current_user_id(&cx_a), false)
4590 .await
4591 .unwrap();
4592 db.add_org_member(org_id, client_b.current_user_id(&cx_b), false)
4593 .await
4594 .unwrap();
4595
4596 // Create a channel that includes all the users.
4597 let channel_id = db.create_org_channel(org_id, "test-channel").await.unwrap();
4598 db.add_channel_member(channel_id, client_a.current_user_id(&cx_a), false)
4599 .await
4600 .unwrap();
4601 db.add_channel_member(channel_id, client_b.current_user_id(&cx_b), false)
4602 .await
4603 .unwrap();
4604 db.create_channel_message(
4605 channel_id,
4606 client_b.current_user_id(&cx_b),
4607 "hello A, it's B.",
4608 OffsetDateTime::now_utc(),
4609 1,
4610 )
4611 .await
4612 .unwrap();
4613
4614 let channels_a = cx_a
4615 .add_model(|cx| ChannelList::new(client_a.user_store.clone(), client_a.clone(), cx));
4616 channels_a
4617 .condition(cx_a, |list, _| list.available_channels().is_some())
4618 .await;
4619 channels_a.read_with(cx_a, |list, _| {
4620 assert_eq!(
4621 list.available_channels().unwrap(),
4622 &[ChannelDetails {
4623 id: channel_id.to_proto(),
4624 name: "test-channel".to_string()
4625 }]
4626 )
4627 });
4628 let channel_a = channels_a.update(cx_a, |this, cx| {
4629 this.get_channel(channel_id.to_proto(), cx).unwrap()
4630 });
4631 channel_a.read_with(cx_a, |channel, _| assert!(channel.messages().is_empty()));
4632 channel_a
4633 .condition(&cx_a, |channel, _| {
4634 channel_messages(channel)
4635 == [("user_b".to_string(), "hello A, it's B.".to_string(), false)]
4636 })
4637 .await;
4638
4639 let channels_b = cx_b
4640 .add_model(|cx| ChannelList::new(client_b.user_store.clone(), client_b.clone(), cx));
4641 channels_b
4642 .condition(cx_b, |list, _| list.available_channels().is_some())
4643 .await;
4644 channels_b.read_with(cx_b, |list, _| {
4645 assert_eq!(
4646 list.available_channels().unwrap(),
4647 &[ChannelDetails {
4648 id: channel_id.to_proto(),
4649 name: "test-channel".to_string()
4650 }]
4651 )
4652 });
4653
4654 let channel_b = channels_b.update(cx_b, |this, cx| {
4655 this.get_channel(channel_id.to_proto(), cx).unwrap()
4656 });
4657 channel_b.read_with(cx_b, |channel, _| assert!(channel.messages().is_empty()));
4658 channel_b
4659 .condition(&cx_b, |channel, _| {
4660 channel_messages(channel)
4661 == [("user_b".to_string(), "hello A, it's B.".to_string(), false)]
4662 })
4663 .await;
4664
4665 channel_a
4666 .update(cx_a, |channel, cx| {
4667 channel
4668 .send_message("oh, hi B.".to_string(), cx)
4669 .unwrap()
4670 .detach();
4671 let task = channel.send_message("sup".to_string(), cx).unwrap();
4672 assert_eq!(
4673 channel_messages(channel),
4674 &[
4675 ("user_b".to_string(), "hello A, it's B.".to_string(), false),
4676 ("user_a".to_string(), "oh, hi B.".to_string(), true),
4677 ("user_a".to_string(), "sup".to_string(), true)
4678 ]
4679 );
4680 task
4681 })
4682 .await
4683 .unwrap();
4684
4685 channel_b
4686 .condition(&cx_b, |channel, _| {
4687 channel_messages(channel)
4688 == [
4689 ("user_b".to_string(), "hello A, it's B.".to_string(), false),
4690 ("user_a".to_string(), "oh, hi B.".to_string(), false),
4691 ("user_a".to_string(), "sup".to_string(), false),
4692 ]
4693 })
4694 .await;
4695
4696 assert_eq!(
4697 server
4698 .state()
4699 .await
4700 .channel(channel_id)
4701 .unwrap()
4702 .connection_ids
4703 .len(),
4704 2
4705 );
4706 cx_b.update(|_| drop(channel_b));
4707 server
4708 .condition(|state| state.channel(channel_id).unwrap().connection_ids.len() == 1)
4709 .await;
4710
4711 cx_a.update(|_| drop(channel_a));
4712 server
4713 .condition(|state| state.channel(channel_id).is_none())
4714 .await;
4715 }
4716
4717 #[gpui::test(iterations = 10)]
4718 async fn test_chat_message_validation(cx_a: &mut TestAppContext) {
4719 cx_a.foreground().forbid_parking();
4720
4721 let mut server = TestServer::start(cx_a.foreground(), cx_a.background()).await;
4722 let client_a = server.create_client(cx_a, "user_a").await;
4723
4724 let db = &server.app_state.db;
4725 let org_id = db.create_org("Test Org", "test-org").await.unwrap();
4726 let channel_id = db.create_org_channel(org_id, "test-channel").await.unwrap();
4727 db.add_org_member(org_id, client_a.current_user_id(&cx_a), false)
4728 .await
4729 .unwrap();
4730 db.add_channel_member(channel_id, client_a.current_user_id(&cx_a), false)
4731 .await
4732 .unwrap();
4733
4734 let channels_a = cx_a
4735 .add_model(|cx| ChannelList::new(client_a.user_store.clone(), client_a.clone(), cx));
4736 channels_a
4737 .condition(cx_a, |list, _| list.available_channels().is_some())
4738 .await;
4739 let channel_a = channels_a.update(cx_a, |this, cx| {
4740 this.get_channel(channel_id.to_proto(), cx).unwrap()
4741 });
4742
4743 // Messages aren't allowed to be too long.
4744 channel_a
4745 .update(cx_a, |channel, cx| {
4746 let long_body = "this is long.\n".repeat(1024);
4747 channel.send_message(long_body, cx).unwrap()
4748 })
4749 .await
4750 .unwrap_err();
4751
4752 // Messages aren't allowed to be blank.
4753 channel_a.update(cx_a, |channel, cx| {
4754 channel.send_message(String::new(), cx).unwrap_err()
4755 });
4756
4757 // Leading and trailing whitespace are trimmed.
4758 channel_a
4759 .update(cx_a, |channel, cx| {
4760 channel
4761 .send_message("\n surrounded by whitespace \n".to_string(), cx)
4762 .unwrap()
4763 })
4764 .await
4765 .unwrap();
4766 assert_eq!(
4767 db.get_channel_messages(channel_id, 10, None)
4768 .await
4769 .unwrap()
4770 .iter()
4771 .map(|m| &m.body)
4772 .collect::<Vec<_>>(),
4773 &["surrounded by whitespace"]
4774 );
4775 }
4776
4777 #[gpui::test(iterations = 10)]
4778 async fn test_chat_reconnection(cx_a: &mut TestAppContext, cx_b: &mut TestAppContext) {
4779 cx_a.foreground().forbid_parking();
4780
4781 // Connect to a server as 2 clients.
4782 let mut server = TestServer::start(cx_a.foreground(), cx_a.background()).await;
4783 let client_a = server.create_client(cx_a, "user_a").await;
4784 let client_b = server.create_client(cx_b, "user_b").await;
4785 let mut status_b = client_b.status();
4786
4787 // Create an org that includes these 2 users.
4788 let db = &server.app_state.db;
4789 let org_id = db.create_org("Test Org", "test-org").await.unwrap();
4790 db.add_org_member(org_id, client_a.current_user_id(&cx_a), false)
4791 .await
4792 .unwrap();
4793 db.add_org_member(org_id, client_b.current_user_id(&cx_b), false)
4794 .await
4795 .unwrap();
4796
4797 // Create a channel that includes all the users.
4798 let channel_id = db.create_org_channel(org_id, "test-channel").await.unwrap();
4799 db.add_channel_member(channel_id, client_a.current_user_id(&cx_a), false)
4800 .await
4801 .unwrap();
4802 db.add_channel_member(channel_id, client_b.current_user_id(&cx_b), false)
4803 .await
4804 .unwrap();
4805 db.create_channel_message(
4806 channel_id,
4807 client_b.current_user_id(&cx_b),
4808 "hello A, it's B.",
4809 OffsetDateTime::now_utc(),
4810 2,
4811 )
4812 .await
4813 .unwrap();
4814
4815 let channels_a = cx_a
4816 .add_model(|cx| ChannelList::new(client_a.user_store.clone(), client_a.clone(), cx));
4817 channels_a
4818 .condition(cx_a, |list, _| list.available_channels().is_some())
4819 .await;
4820
4821 channels_a.read_with(cx_a, |list, _| {
4822 assert_eq!(
4823 list.available_channels().unwrap(),
4824 &[ChannelDetails {
4825 id: channel_id.to_proto(),
4826 name: "test-channel".to_string()
4827 }]
4828 )
4829 });
4830 let channel_a = channels_a.update(cx_a, |this, cx| {
4831 this.get_channel(channel_id.to_proto(), cx).unwrap()
4832 });
4833 channel_a.read_with(cx_a, |channel, _| assert!(channel.messages().is_empty()));
4834 channel_a
4835 .condition(&cx_a, |channel, _| {
4836 channel_messages(channel)
4837 == [("user_b".to_string(), "hello A, it's B.".to_string(), false)]
4838 })
4839 .await;
4840
4841 let channels_b = cx_b
4842 .add_model(|cx| ChannelList::new(client_b.user_store.clone(), client_b.clone(), cx));
4843 channels_b
4844 .condition(cx_b, |list, _| list.available_channels().is_some())
4845 .await;
4846 channels_b.read_with(cx_b, |list, _| {
4847 assert_eq!(
4848 list.available_channels().unwrap(),
4849 &[ChannelDetails {
4850 id: channel_id.to_proto(),
4851 name: "test-channel".to_string()
4852 }]
4853 )
4854 });
4855
4856 let channel_b = channels_b.update(cx_b, |this, cx| {
4857 this.get_channel(channel_id.to_proto(), cx).unwrap()
4858 });
4859 channel_b.read_with(cx_b, |channel, _| assert!(channel.messages().is_empty()));
4860 channel_b
4861 .condition(&cx_b, |channel, _| {
4862 channel_messages(channel)
4863 == [("user_b".to_string(), "hello A, it's B.".to_string(), false)]
4864 })
4865 .await;
4866
4867 // Disconnect client B, ensuring we can still access its cached channel data.
4868 server.forbid_connections();
4869 server.disconnect_client(client_b.current_user_id(&cx_b));
4870 cx_b.foreground().advance_clock(rpc::RECEIVE_TIMEOUT);
4871 while !matches!(
4872 status_b.next().await,
4873 Some(client::Status::ReconnectionError { .. })
4874 ) {}
4875
4876 channels_b.read_with(cx_b, |channels, _| {
4877 assert_eq!(
4878 channels.available_channels().unwrap(),
4879 [ChannelDetails {
4880 id: channel_id.to_proto(),
4881 name: "test-channel".to_string()
4882 }]
4883 )
4884 });
4885 channel_b.read_with(cx_b, |channel, _| {
4886 assert_eq!(
4887 channel_messages(channel),
4888 [("user_b".to_string(), "hello A, it's B.".to_string(), false)]
4889 )
4890 });
4891
4892 // Send a message from client B while it is disconnected.
4893 channel_b
4894 .update(cx_b, |channel, cx| {
4895 let task = channel
4896 .send_message("can you see this?".to_string(), cx)
4897 .unwrap();
4898 assert_eq!(
4899 channel_messages(channel),
4900 &[
4901 ("user_b".to_string(), "hello A, it's B.".to_string(), false),
4902 ("user_b".to_string(), "can you see this?".to_string(), true)
4903 ]
4904 );
4905 task
4906 })
4907 .await
4908 .unwrap_err();
4909
4910 // Send a message from client A while B is disconnected.
4911 channel_a
4912 .update(cx_a, |channel, cx| {
4913 channel
4914 .send_message("oh, hi B.".to_string(), cx)
4915 .unwrap()
4916 .detach();
4917 let task = channel.send_message("sup".to_string(), cx).unwrap();
4918 assert_eq!(
4919 channel_messages(channel),
4920 &[
4921 ("user_b".to_string(), "hello A, it's B.".to_string(), false),
4922 ("user_a".to_string(), "oh, hi B.".to_string(), true),
4923 ("user_a".to_string(), "sup".to_string(), true)
4924 ]
4925 );
4926 task
4927 })
4928 .await
4929 .unwrap();
4930
4931 // Give client B a chance to reconnect.
4932 server.allow_connections();
4933 cx_b.foreground().advance_clock(Duration::from_secs(10));
4934
4935 // Verify that B sees the new messages upon reconnection, as well as the message client B
4936 // sent while offline.
4937 channel_b
4938 .condition(&cx_b, |channel, _| {
4939 channel_messages(channel)
4940 == [
4941 ("user_b".to_string(), "hello A, it's B.".to_string(), false),
4942 ("user_a".to_string(), "oh, hi B.".to_string(), false),
4943 ("user_a".to_string(), "sup".to_string(), false),
4944 ("user_b".to_string(), "can you see this?".to_string(), false),
4945 ]
4946 })
4947 .await;
4948
4949 // Ensure client A and B can communicate normally after reconnection.
4950 channel_a
4951 .update(cx_a, |channel, cx| {
4952 channel.send_message("you online?".to_string(), cx).unwrap()
4953 })
4954 .await
4955 .unwrap();
4956 channel_b
4957 .condition(&cx_b, |channel, _| {
4958 channel_messages(channel)
4959 == [
4960 ("user_b".to_string(), "hello A, it's B.".to_string(), false),
4961 ("user_a".to_string(), "oh, hi B.".to_string(), false),
4962 ("user_a".to_string(), "sup".to_string(), false),
4963 ("user_b".to_string(), "can you see this?".to_string(), false),
4964 ("user_a".to_string(), "you online?".to_string(), false),
4965 ]
4966 })
4967 .await;
4968
4969 channel_b
4970 .update(cx_b, |channel, cx| {
4971 channel.send_message("yep".to_string(), cx).unwrap()
4972 })
4973 .await
4974 .unwrap();
4975 channel_a
4976 .condition(&cx_a, |channel, _| {
4977 channel_messages(channel)
4978 == [
4979 ("user_b".to_string(), "hello A, it's B.".to_string(), false),
4980 ("user_a".to_string(), "oh, hi B.".to_string(), false),
4981 ("user_a".to_string(), "sup".to_string(), false),
4982 ("user_b".to_string(), "can you see this?".to_string(), false),
4983 ("user_a".to_string(), "you online?".to_string(), false),
4984 ("user_b".to_string(), "yep".to_string(), false),
4985 ]
4986 })
4987 .await;
4988 }
4989
4990 #[gpui::test(iterations = 10)]
4991 async fn test_contacts(
4992 deterministic: Arc<Deterministic>,
4993 cx_a: &mut TestAppContext,
4994 cx_b: &mut TestAppContext,
4995 cx_c: &mut TestAppContext,
4996 ) {
4997 cx_a.foreground().forbid_parking();
4998 let lang_registry = Arc::new(LanguageRegistry::test());
4999 let fs = FakeFs::new(cx_a.background());
5000
5001 // Connect to a server as 3 clients.
5002 let mut server = TestServer::start(cx_a.foreground(), cx_a.background()).await;
5003 let client_a = server.create_client(cx_a, "user_a").await;
5004 let client_b = server.create_client(cx_b, "user_b").await;
5005 let client_c = server.create_client(cx_c, "user_c").await;
5006 server
5007 .make_contacts(vec![
5008 (&client_a, cx_a),
5009 (&client_b, cx_b),
5010 (&client_c, cx_c),
5011 ])
5012 .await;
5013
5014 deterministic.run_until_parked();
5015 for (client, cx) in [(&client_a, &cx_a), (&client_b, &cx_b), (&client_c, &cx_c)] {
5016 client.user_store.read_with(*cx, |store, _| {
5017 assert_eq!(
5018 contacts(store),
5019 [
5020 ("user_a", true, vec![]),
5021 ("user_b", true, vec![]),
5022 ("user_c", true, vec![])
5023 ]
5024 )
5025 });
5026 }
5027
5028 // Share a worktree as client A.
5029 fs.create_dir(Path::new("/a")).await.unwrap();
5030
5031 let project_a = cx_a.update(|cx| {
5032 Project::local(
5033 client_a.clone(),
5034 client_a.user_store.clone(),
5035 lang_registry.clone(),
5036 fs.clone(),
5037 cx,
5038 )
5039 });
5040 let (worktree_a, _) = project_a
5041 .update(cx_a, |p, cx| {
5042 p.find_or_create_local_worktree("/a", true, cx)
5043 })
5044 .await
5045 .unwrap();
5046 worktree_a
5047 .read_with(cx_a, |tree, _| tree.as_local().unwrap().scan_complete())
5048 .await;
5049
5050 deterministic.run_until_parked();
5051 for (client, cx) in [(&client_a, &cx_a), (&client_b, &cx_b), (&client_c, &cx_c)] {
5052 client.user_store.read_with(*cx, |store, _| {
5053 assert_eq!(
5054 contacts(store),
5055 [
5056 ("user_a", true, vec![("a", false, vec![])]),
5057 ("user_b", true, vec![]),
5058 ("user_c", true, vec![])
5059 ]
5060 )
5061 });
5062 }
5063
5064 let project_id = project_a
5065 .update(cx_a, |project, _| project.next_remote_id())
5066 .await;
5067 project_a
5068 .update(cx_a, |project, cx| project.share(cx))
5069 .await
5070 .unwrap();
5071
5072 deterministic.run_until_parked();
5073 for (client, cx) in [(&client_a, &cx_a), (&client_b, &cx_b), (&client_c, &cx_c)] {
5074 client.user_store.read_with(*cx, |store, _| {
5075 assert_eq!(
5076 contacts(store),
5077 [
5078 ("user_a", true, vec![("a", true, vec![])]),
5079 ("user_b", true, vec![]),
5080 ("user_c", true, vec![])
5081 ]
5082 )
5083 });
5084 }
5085
5086 let _project_b = Project::remote(
5087 project_id,
5088 client_b.clone(),
5089 client_b.user_store.clone(),
5090 lang_registry.clone(),
5091 fs.clone(),
5092 &mut cx_b.to_async(),
5093 )
5094 .await
5095 .unwrap();
5096
5097 deterministic.run_until_parked();
5098 for (client, cx) in [(&client_a, &cx_a), (&client_b, &cx_b), (&client_c, &cx_c)] {
5099 client.user_store.read_with(*cx, |store, _| {
5100 assert_eq!(
5101 contacts(store),
5102 [
5103 ("user_a", true, vec![("a", true, vec!["user_b"])]),
5104 ("user_b", true, vec![]),
5105 ("user_c", true, vec![])
5106 ]
5107 )
5108 });
5109 }
5110
5111 project_a
5112 .condition(&cx_a, |project, _| {
5113 project.collaborators().contains_key(&client_b.peer_id)
5114 })
5115 .await;
5116
5117 cx_a.update(move |_| drop(project_a));
5118 deterministic.run_until_parked();
5119 for (client, cx) in [(&client_a, &cx_a), (&client_b, &cx_b), (&client_c, &cx_c)] {
5120 client.user_store.read_with(*cx, |store, _| {
5121 assert_eq!(
5122 contacts(store),
5123 [
5124 ("user_a", true, vec![]),
5125 ("user_b", true, vec![]),
5126 ("user_c", true, vec![])
5127 ]
5128 )
5129 });
5130 }
5131
5132 server.disconnect_client(client_c.current_user_id(cx_c));
5133 server.forbid_connections();
5134 deterministic.advance_clock(rpc::RECEIVE_TIMEOUT);
5135 for (client, cx) in [(&client_a, &cx_a), (&client_b, &cx_b)] {
5136 client.user_store.read_with(*cx, |store, _| {
5137 assert_eq!(
5138 contacts(store),
5139 [
5140 ("user_a", true, vec![]),
5141 ("user_b", true, vec![]),
5142 ("user_c", false, vec![])
5143 ]
5144 )
5145 });
5146 }
5147 client_c
5148 .user_store
5149 .read_with(cx_c, |store, _| assert_eq!(contacts(store), []));
5150
5151 server.allow_connections();
5152 client_c
5153 .authenticate_and_connect(false, &cx_c.to_async())
5154 .await
5155 .unwrap();
5156
5157 deterministic.run_until_parked();
5158 for (client, cx) in [(&client_a, &cx_a), (&client_b, &cx_b), (&client_c, &cx_c)] {
5159 client.user_store.read_with(*cx, |store, _| {
5160 assert_eq!(
5161 contacts(store),
5162 [
5163 ("user_a", true, vec![]),
5164 ("user_b", true, vec![]),
5165 ("user_c", true, vec![])
5166 ]
5167 )
5168 });
5169 }
5170
5171 fn contacts(user_store: &UserStore) -> Vec<(&str, bool, Vec<(&str, bool, Vec<&str>)>)> {
5172 user_store
5173 .contacts()
5174 .iter()
5175 .map(|contact| {
5176 let worktrees = contact
5177 .projects
5178 .iter()
5179 .map(|p| {
5180 (
5181 p.worktree_root_names[0].as_str(),
5182 p.is_shared,
5183 p.guests.iter().map(|p| p.github_login.as_str()).collect(),
5184 )
5185 })
5186 .collect();
5187 (
5188 contact.user.github_login.as_str(),
5189 contact.online,
5190 worktrees,
5191 )
5192 })
5193 .collect()
5194 }
5195 }
5196
5197 #[gpui::test(iterations = 10)]
5198 async fn test_contact_requests(
5199 executor: Arc<Deterministic>,
5200 cx_a: &mut TestAppContext,
5201 cx_a2: &mut TestAppContext,
5202 cx_b: &mut TestAppContext,
5203 cx_b2: &mut TestAppContext,
5204 cx_c: &mut TestAppContext,
5205 cx_c2: &mut TestAppContext,
5206 ) {
5207 cx_a.foreground().forbid_parking();
5208
5209 // Connect to a server as 3 clients.
5210 let mut server = TestServer::start(cx_a.foreground(), cx_a.background()).await;
5211 let client_a = server.create_client(cx_a, "user_a").await;
5212 let client_a2 = server.create_client(cx_a2, "user_a").await;
5213 let client_b = server.create_client(cx_b, "user_b").await;
5214 let client_b2 = server.create_client(cx_b2, "user_b").await;
5215 let client_c = server.create_client(cx_c, "user_c").await;
5216 let client_c2 = server.create_client(cx_c2, "user_c").await;
5217
5218 assert_eq!(client_a.user_id().unwrap(), client_a2.user_id().unwrap());
5219 assert_eq!(client_b.user_id().unwrap(), client_b2.user_id().unwrap());
5220 assert_eq!(client_c.user_id().unwrap(), client_c2.user_id().unwrap());
5221
5222 // User A and User C request that user B become their contact.
5223 client_a
5224 .user_store
5225 .update(cx_a, |store, cx| {
5226 store.request_contact(client_b.user_id().unwrap(), cx)
5227 })
5228 .await
5229 .unwrap();
5230 client_c
5231 .user_store
5232 .update(cx_c, |store, cx| {
5233 store.request_contact(client_b.user_id().unwrap(), cx)
5234 })
5235 .await
5236 .unwrap();
5237 executor.run_until_parked();
5238
5239 // All users see the pending request appear in all their clients.
5240 assert_eq!(
5241 client_a.summarize_contacts(&cx_a).outgoing_requests,
5242 &["user_b"]
5243 );
5244 assert_eq!(
5245 client_a2.summarize_contacts(&cx_a2).outgoing_requests,
5246 &["user_b"]
5247 );
5248 assert_eq!(
5249 client_b.summarize_contacts(&cx_b).incoming_requests,
5250 &["user_a", "user_c"]
5251 );
5252 assert_eq!(
5253 client_b2.summarize_contacts(&cx_b2).incoming_requests,
5254 &["user_a", "user_c"]
5255 );
5256 assert_eq!(
5257 client_c.summarize_contacts(&cx_c).outgoing_requests,
5258 &["user_b"]
5259 );
5260 assert_eq!(
5261 client_c2.summarize_contacts(&cx_c2).outgoing_requests,
5262 &["user_b"]
5263 );
5264
5265 // Contact requests are present upon connecting (tested here via disconnect/reconnect)
5266 disconnect_and_reconnect(&client_a, cx_a).await;
5267 disconnect_and_reconnect(&client_b, cx_b).await;
5268 disconnect_and_reconnect(&client_c, cx_c).await;
5269 executor.run_until_parked();
5270 assert_eq!(
5271 client_a.summarize_contacts(&cx_a).outgoing_requests,
5272 &["user_b"]
5273 );
5274 assert_eq!(
5275 client_b.summarize_contacts(&cx_b).incoming_requests,
5276 &["user_a", "user_c"]
5277 );
5278 assert_eq!(
5279 client_c.summarize_contacts(&cx_c).outgoing_requests,
5280 &["user_b"]
5281 );
5282
5283 // User B accepts the request from user A.
5284 client_b
5285 .user_store
5286 .update(cx_b, |store, cx| {
5287 store.respond_to_contact_request(client_a.user_id().unwrap(), true, cx)
5288 })
5289 .await
5290 .unwrap();
5291
5292 executor.run_until_parked();
5293
5294 // User B sees user A as their contact now in all client, and the incoming request from them is removed.
5295 let contacts_b = client_b.summarize_contacts(&cx_b);
5296 assert_eq!(contacts_b.current, &["user_a", "user_b"]);
5297 assert_eq!(contacts_b.incoming_requests, &["user_c"]);
5298 let contacts_b2 = client_b2.summarize_contacts(&cx_b2);
5299 assert_eq!(contacts_b2.current, &["user_a", "user_b"]);
5300 assert_eq!(contacts_b2.incoming_requests, &["user_c"]);
5301
5302 // User A sees user B as their contact now in all clients, and the outgoing request to them is removed.
5303 let contacts_a = client_a.summarize_contacts(&cx_a);
5304 assert_eq!(contacts_a.current, &["user_a", "user_b"]);
5305 assert!(contacts_a.outgoing_requests.is_empty());
5306 let contacts_a2 = client_a2.summarize_contacts(&cx_a2);
5307 assert_eq!(contacts_a2.current, &["user_a", "user_b"]);
5308 assert!(contacts_a2.outgoing_requests.is_empty());
5309
5310 // Contacts are present upon connecting (tested here via disconnect/reconnect)
5311 disconnect_and_reconnect(&client_a, cx_a).await;
5312 disconnect_and_reconnect(&client_b, cx_b).await;
5313 disconnect_and_reconnect(&client_c, cx_c).await;
5314 executor.run_until_parked();
5315 assert_eq!(
5316 client_a.summarize_contacts(&cx_a).current,
5317 &["user_a", "user_b"]
5318 );
5319 assert_eq!(
5320 client_b.summarize_contacts(&cx_b).current,
5321 &["user_a", "user_b"]
5322 );
5323 assert_eq!(
5324 client_b.summarize_contacts(&cx_b).incoming_requests,
5325 &["user_c"]
5326 );
5327 assert_eq!(client_c.summarize_contacts(&cx_c).current, &["user_c"]);
5328 assert_eq!(
5329 client_c.summarize_contacts(&cx_c).outgoing_requests,
5330 &["user_b"]
5331 );
5332
5333 // User B rejects the request from user C.
5334 client_b
5335 .user_store
5336 .update(cx_b, |store, cx| {
5337 store.respond_to_contact_request(client_c.user_id().unwrap(), false, cx)
5338 })
5339 .await
5340 .unwrap();
5341
5342 executor.run_until_parked();
5343
5344 // User B doesn't see user C as their contact, and the incoming request from them is removed.
5345 let contacts_b = client_b.summarize_contacts(&cx_b);
5346 assert_eq!(contacts_b.current, &["user_a", "user_b"]);
5347 assert!(contacts_b.incoming_requests.is_empty());
5348 let contacts_b2 = client_b2.summarize_contacts(&cx_b2);
5349 assert_eq!(contacts_b2.current, &["user_a", "user_b"]);
5350 assert!(contacts_b2.incoming_requests.is_empty());
5351
5352 // User C doesn't see user B as their contact, and the outgoing request to them is removed.
5353 let contacts_c = client_c.summarize_contacts(&cx_c);
5354 assert_eq!(contacts_c.current, &["user_c"]);
5355 assert!(contacts_c.outgoing_requests.is_empty());
5356 let contacts_c2 = client_c2.summarize_contacts(&cx_c2);
5357 assert_eq!(contacts_c2.current, &["user_c"]);
5358 assert!(contacts_c2.outgoing_requests.is_empty());
5359
5360 // Incoming/outgoing requests are not present upon connecting (tested here via disconnect/reconnect)
5361 disconnect_and_reconnect(&client_a, cx_a).await;
5362 disconnect_and_reconnect(&client_b, cx_b).await;
5363 disconnect_and_reconnect(&client_c, cx_c).await;
5364 executor.run_until_parked();
5365 assert_eq!(
5366 client_a.summarize_contacts(&cx_a).current,
5367 &["user_a", "user_b"]
5368 );
5369 assert_eq!(
5370 client_b.summarize_contacts(&cx_b).current,
5371 &["user_a", "user_b"]
5372 );
5373 assert!(client_b
5374 .summarize_contacts(&cx_b)
5375 .incoming_requests
5376 .is_empty());
5377 assert_eq!(client_c.summarize_contacts(&cx_c).current, &["user_c"]);
5378 assert!(client_c
5379 .summarize_contacts(&cx_c)
5380 .outgoing_requests
5381 .is_empty());
5382
5383 async fn disconnect_and_reconnect(client: &TestClient, cx: &mut TestAppContext) {
5384 client.disconnect(&cx.to_async()).unwrap();
5385 client.clear_contacts(cx).await;
5386 client
5387 .authenticate_and_connect(false, &cx.to_async())
5388 .await
5389 .unwrap();
5390 }
5391 }
5392
5393 #[gpui::test(iterations = 10)]
5394 async fn test_following(cx_a: &mut TestAppContext, cx_b: &mut TestAppContext) {
5395 cx_a.foreground().forbid_parking();
5396 let fs = FakeFs::new(cx_a.background());
5397
5398 // 2 clients connect to a server.
5399 let mut server = TestServer::start(cx_a.foreground(), cx_a.background()).await;
5400 let mut client_a = server.create_client(cx_a, "user_a").await;
5401 let mut client_b = server.create_client(cx_b, "user_b").await;
5402 server
5403 .make_contacts(vec![(&client_a, cx_a), (&client_b, cx_b)])
5404 .await;
5405 cx_a.update(editor::init);
5406 cx_b.update(editor::init);
5407
5408 // Client A shares a project.
5409 fs.insert_tree(
5410 "/a",
5411 json!({
5412 "1.txt": "one",
5413 "2.txt": "two",
5414 "3.txt": "three",
5415 }),
5416 )
5417 .await;
5418 let (project_a, worktree_id) = client_a.build_local_project(fs.clone(), "/a", cx_a).await;
5419 project_a
5420 .update(cx_a, |project, cx| project.share(cx))
5421 .await
5422 .unwrap();
5423
5424 // Client B joins the project.
5425 let project_b = client_b
5426 .build_remote_project(
5427 project_a
5428 .read_with(cx_a, |project, _| project.remote_id())
5429 .unwrap(),
5430 cx_b,
5431 )
5432 .await;
5433
5434 // Client A opens some editors.
5435 let workspace_a = client_a.build_workspace(&project_a, cx_a);
5436 let pane_a = workspace_a.read_with(cx_a, |workspace, _| workspace.active_pane().clone());
5437 let editor_a1 = workspace_a
5438 .update(cx_a, |workspace, cx| {
5439 workspace.open_path((worktree_id, "1.txt"), true, cx)
5440 })
5441 .await
5442 .unwrap()
5443 .downcast::<Editor>()
5444 .unwrap();
5445 let editor_a2 = workspace_a
5446 .update(cx_a, |workspace, cx| {
5447 workspace.open_path((worktree_id, "2.txt"), true, cx)
5448 })
5449 .await
5450 .unwrap()
5451 .downcast::<Editor>()
5452 .unwrap();
5453
5454 // Client B opens an editor.
5455 let workspace_b = client_b.build_workspace(&project_b, cx_b);
5456 let editor_b1 = workspace_b
5457 .update(cx_b, |workspace, cx| {
5458 workspace.open_path((worktree_id, "1.txt"), true, cx)
5459 })
5460 .await
5461 .unwrap()
5462 .downcast::<Editor>()
5463 .unwrap();
5464
5465 let client_a_id = project_b.read_with(cx_b, |project, _| {
5466 project.collaborators().values().next().unwrap().peer_id
5467 });
5468 let client_b_id = project_a.read_with(cx_a, |project, _| {
5469 project.collaborators().values().next().unwrap().peer_id
5470 });
5471
5472 // When client B starts following client A, all visible view states are replicated to client B.
5473 editor_a1.update(cx_a, |editor, cx| editor.select_ranges([0..1], None, cx));
5474 editor_a2.update(cx_a, |editor, cx| editor.select_ranges([2..3], None, cx));
5475 workspace_b
5476 .update(cx_b, |workspace, cx| {
5477 workspace
5478 .toggle_follow(&ToggleFollow(client_a_id), cx)
5479 .unwrap()
5480 })
5481 .await
5482 .unwrap();
5483 let editor_b2 = workspace_b.read_with(cx_b, |workspace, cx| {
5484 workspace
5485 .active_item(cx)
5486 .unwrap()
5487 .downcast::<Editor>()
5488 .unwrap()
5489 });
5490 assert!(cx_b.read(|cx| editor_b2.is_focused(cx)));
5491 assert_eq!(
5492 editor_b2.read_with(cx_b, |editor, cx| editor.project_path(cx)),
5493 Some((worktree_id, "2.txt").into())
5494 );
5495 assert_eq!(
5496 editor_b2.read_with(cx_b, |editor, cx| editor.selected_ranges(cx)),
5497 vec![2..3]
5498 );
5499 assert_eq!(
5500 editor_b1.read_with(cx_b, |editor, cx| editor.selected_ranges(cx)),
5501 vec![0..1]
5502 );
5503
5504 // When client A activates a different editor, client B does so as well.
5505 workspace_a.update(cx_a, |workspace, cx| {
5506 workspace.activate_item(&editor_a1, cx)
5507 });
5508 workspace_b
5509 .condition(cx_b, |workspace, cx| {
5510 workspace.active_item(cx).unwrap().id() == editor_b1.id()
5511 })
5512 .await;
5513
5514 // When client A navigates back and forth, client B does so as well.
5515 workspace_a
5516 .update(cx_a, |workspace, cx| {
5517 workspace::Pane::go_back(workspace, None, cx)
5518 })
5519 .await;
5520 workspace_b
5521 .condition(cx_b, |workspace, cx| {
5522 workspace.active_item(cx).unwrap().id() == editor_b2.id()
5523 })
5524 .await;
5525
5526 workspace_a
5527 .update(cx_a, |workspace, cx| {
5528 workspace::Pane::go_forward(workspace, None, cx)
5529 })
5530 .await;
5531 workspace_b
5532 .condition(cx_b, |workspace, cx| {
5533 workspace.active_item(cx).unwrap().id() == editor_b1.id()
5534 })
5535 .await;
5536
5537 // Changes to client A's editor are reflected on client B.
5538 editor_a1.update(cx_a, |editor, cx| {
5539 editor.select_ranges([1..1, 2..2], None, cx);
5540 });
5541 editor_b1
5542 .condition(cx_b, |editor, cx| {
5543 editor.selected_ranges(cx) == vec![1..1, 2..2]
5544 })
5545 .await;
5546
5547 editor_a1.update(cx_a, |editor, cx| editor.set_text("TWO", cx));
5548 editor_b1
5549 .condition(cx_b, |editor, cx| editor.text(cx) == "TWO")
5550 .await;
5551
5552 editor_a1.update(cx_a, |editor, cx| {
5553 editor.select_ranges([3..3], None, cx);
5554 editor.set_scroll_position(vec2f(0., 100.), cx);
5555 });
5556 editor_b1
5557 .condition(cx_b, |editor, cx| editor.selected_ranges(cx) == vec![3..3])
5558 .await;
5559
5560 // After unfollowing, client B stops receiving updates from client A.
5561 workspace_b.update(cx_b, |workspace, cx| {
5562 workspace.unfollow(&workspace.active_pane().clone(), cx)
5563 });
5564 workspace_a.update(cx_a, |workspace, cx| {
5565 workspace.activate_item(&editor_a2, cx)
5566 });
5567 cx_a.foreground().run_until_parked();
5568 assert_eq!(
5569 workspace_b.read_with(cx_b, |workspace, cx| workspace
5570 .active_item(cx)
5571 .unwrap()
5572 .id()),
5573 editor_b1.id()
5574 );
5575
5576 // Client A starts following client B.
5577 workspace_a
5578 .update(cx_a, |workspace, cx| {
5579 workspace
5580 .toggle_follow(&ToggleFollow(client_b_id), cx)
5581 .unwrap()
5582 })
5583 .await
5584 .unwrap();
5585 assert_eq!(
5586 workspace_a.read_with(cx_a, |workspace, _| workspace.leader_for_pane(&pane_a)),
5587 Some(client_b_id)
5588 );
5589 assert_eq!(
5590 workspace_a.read_with(cx_a, |workspace, cx| workspace
5591 .active_item(cx)
5592 .unwrap()
5593 .id()),
5594 editor_a1.id()
5595 );
5596
5597 // Following interrupts when client B disconnects.
5598 client_b.disconnect(&cx_b.to_async()).unwrap();
5599 cx_a.foreground().run_until_parked();
5600 assert_eq!(
5601 workspace_a.read_with(cx_a, |workspace, _| workspace.leader_for_pane(&pane_a)),
5602 None
5603 );
5604 }
5605
5606 #[gpui::test(iterations = 10)]
5607 async fn test_peers_following_each_other(cx_a: &mut TestAppContext, cx_b: &mut TestAppContext) {
5608 cx_a.foreground().forbid_parking();
5609 let fs = FakeFs::new(cx_a.background());
5610
5611 // 2 clients connect to a server.
5612 let mut server = TestServer::start(cx_a.foreground(), cx_a.background()).await;
5613 let mut client_a = server.create_client(cx_a, "user_a").await;
5614 let mut client_b = server.create_client(cx_b, "user_b").await;
5615 server
5616 .make_contacts(vec![(&client_a, cx_a), (&client_b, cx_b)])
5617 .await;
5618 cx_a.update(editor::init);
5619 cx_b.update(editor::init);
5620
5621 // Client A shares a project.
5622 fs.insert_tree(
5623 "/a",
5624 json!({
5625 "1.txt": "one",
5626 "2.txt": "two",
5627 "3.txt": "three",
5628 "4.txt": "four",
5629 }),
5630 )
5631 .await;
5632 let (project_a, worktree_id) = client_a.build_local_project(fs.clone(), "/a", cx_a).await;
5633 project_a
5634 .update(cx_a, |project, cx| project.share(cx))
5635 .await
5636 .unwrap();
5637
5638 // Client B joins the project.
5639 let project_b = client_b
5640 .build_remote_project(
5641 project_a
5642 .read_with(cx_a, |project, _| project.remote_id())
5643 .unwrap(),
5644 cx_b,
5645 )
5646 .await;
5647
5648 // Client A opens some editors.
5649 let workspace_a = client_a.build_workspace(&project_a, cx_a);
5650 let pane_a1 = workspace_a.read_with(cx_a, |workspace, _| workspace.active_pane().clone());
5651 let _editor_a1 = workspace_a
5652 .update(cx_a, |workspace, cx| {
5653 workspace.open_path((worktree_id, "1.txt"), true, cx)
5654 })
5655 .await
5656 .unwrap()
5657 .downcast::<Editor>()
5658 .unwrap();
5659
5660 // Client B opens an editor.
5661 let workspace_b = client_b.build_workspace(&project_b, cx_b);
5662 let pane_b1 = workspace_b.read_with(cx_b, |workspace, _| workspace.active_pane().clone());
5663 let _editor_b1 = workspace_b
5664 .update(cx_b, |workspace, cx| {
5665 workspace.open_path((worktree_id, "2.txt"), true, cx)
5666 })
5667 .await
5668 .unwrap()
5669 .downcast::<Editor>()
5670 .unwrap();
5671
5672 // Clients A and B follow each other in split panes
5673 workspace_a
5674 .update(cx_a, |workspace, cx| {
5675 workspace.split_pane(workspace.active_pane().clone(), SplitDirection::Right, cx);
5676 assert_ne!(*workspace.active_pane(), pane_a1);
5677 let leader_id = *project_a.read(cx).collaborators().keys().next().unwrap();
5678 workspace
5679 .toggle_follow(&workspace::ToggleFollow(leader_id), cx)
5680 .unwrap()
5681 })
5682 .await
5683 .unwrap();
5684 workspace_b
5685 .update(cx_b, |workspace, cx| {
5686 workspace.split_pane(workspace.active_pane().clone(), SplitDirection::Right, cx);
5687 assert_ne!(*workspace.active_pane(), pane_b1);
5688 let leader_id = *project_b.read(cx).collaborators().keys().next().unwrap();
5689 workspace
5690 .toggle_follow(&workspace::ToggleFollow(leader_id), cx)
5691 .unwrap()
5692 })
5693 .await
5694 .unwrap();
5695
5696 workspace_a
5697 .update(cx_a, |workspace, cx| {
5698 workspace.activate_next_pane(cx);
5699 assert_eq!(*workspace.active_pane(), pane_a1);
5700 workspace.open_path((worktree_id, "3.txt"), true, cx)
5701 })
5702 .await
5703 .unwrap();
5704 workspace_b
5705 .update(cx_b, |workspace, cx| {
5706 workspace.activate_next_pane(cx);
5707 assert_eq!(*workspace.active_pane(), pane_b1);
5708 workspace.open_path((worktree_id, "4.txt"), true, cx)
5709 })
5710 .await
5711 .unwrap();
5712 cx_a.foreground().run_until_parked();
5713
5714 // Ensure leader updates don't change the active pane of followers
5715 workspace_a.read_with(cx_a, |workspace, _| {
5716 assert_eq!(*workspace.active_pane(), pane_a1);
5717 });
5718 workspace_b.read_with(cx_b, |workspace, _| {
5719 assert_eq!(*workspace.active_pane(), pane_b1);
5720 });
5721
5722 // Ensure peers following each other doesn't cause an infinite loop.
5723 assert_eq!(
5724 workspace_a.read_with(cx_a, |workspace, cx| workspace
5725 .active_item(cx)
5726 .unwrap()
5727 .project_path(cx)),
5728 Some((worktree_id, "3.txt").into())
5729 );
5730 workspace_a.update(cx_a, |workspace, cx| {
5731 assert_eq!(
5732 workspace.active_item(cx).unwrap().project_path(cx),
5733 Some((worktree_id, "3.txt").into())
5734 );
5735 workspace.activate_next_pane(cx);
5736 assert_eq!(
5737 workspace.active_item(cx).unwrap().project_path(cx),
5738 Some((worktree_id, "4.txt").into())
5739 );
5740 });
5741 workspace_b.update(cx_b, |workspace, cx| {
5742 assert_eq!(
5743 workspace.active_item(cx).unwrap().project_path(cx),
5744 Some((worktree_id, "4.txt").into())
5745 );
5746 workspace.activate_next_pane(cx);
5747 assert_eq!(
5748 workspace.active_item(cx).unwrap().project_path(cx),
5749 Some((worktree_id, "3.txt").into())
5750 );
5751 });
5752 }
5753
5754 #[gpui::test(iterations = 10)]
5755 async fn test_auto_unfollowing(cx_a: &mut TestAppContext, cx_b: &mut TestAppContext) {
5756 cx_a.foreground().forbid_parking();
5757 let fs = FakeFs::new(cx_a.background());
5758
5759 // 2 clients connect to a server.
5760 let mut server = TestServer::start(cx_a.foreground(), cx_a.background()).await;
5761 let mut client_a = server.create_client(cx_a, "user_a").await;
5762 let mut client_b = server.create_client(cx_b, "user_b").await;
5763 server
5764 .make_contacts(vec![(&client_a, cx_a), (&client_b, cx_b)])
5765 .await;
5766 cx_a.update(editor::init);
5767 cx_b.update(editor::init);
5768
5769 // Client A shares a project.
5770 fs.insert_tree(
5771 "/a",
5772 json!({
5773 "1.txt": "one",
5774 "2.txt": "two",
5775 "3.txt": "three",
5776 }),
5777 )
5778 .await;
5779 let (project_a, worktree_id) = client_a.build_local_project(fs.clone(), "/a", cx_a).await;
5780 project_a
5781 .update(cx_a, |project, cx| project.share(cx))
5782 .await
5783 .unwrap();
5784
5785 // Client B joins the project.
5786 let project_b = client_b
5787 .build_remote_project(
5788 project_a
5789 .read_with(cx_a, |project, _| project.remote_id())
5790 .unwrap(),
5791 cx_b,
5792 )
5793 .await;
5794
5795 // Client A opens some editors.
5796 let workspace_a = client_a.build_workspace(&project_a, cx_a);
5797 let _editor_a1 = workspace_a
5798 .update(cx_a, |workspace, cx| {
5799 workspace.open_path((worktree_id, "1.txt"), true, cx)
5800 })
5801 .await
5802 .unwrap()
5803 .downcast::<Editor>()
5804 .unwrap();
5805
5806 // Client B starts following client A.
5807 let workspace_b = client_b.build_workspace(&project_b, cx_b);
5808 let pane_b = workspace_b.read_with(cx_b, |workspace, _| workspace.active_pane().clone());
5809 let leader_id = project_b.read_with(cx_b, |project, _| {
5810 project.collaborators().values().next().unwrap().peer_id
5811 });
5812 workspace_b
5813 .update(cx_b, |workspace, cx| {
5814 workspace
5815 .toggle_follow(&ToggleFollow(leader_id), cx)
5816 .unwrap()
5817 })
5818 .await
5819 .unwrap();
5820 assert_eq!(
5821 workspace_b.read_with(cx_b, |workspace, _| workspace.leader_for_pane(&pane_b)),
5822 Some(leader_id)
5823 );
5824 let editor_b2 = workspace_b.read_with(cx_b, |workspace, cx| {
5825 workspace
5826 .active_item(cx)
5827 .unwrap()
5828 .downcast::<Editor>()
5829 .unwrap()
5830 });
5831
5832 // When client B moves, it automatically stops following client A.
5833 editor_b2.update(cx_b, |editor, cx| editor.move_right(&editor::MoveRight, cx));
5834 assert_eq!(
5835 workspace_b.read_with(cx_b, |workspace, _| workspace.leader_for_pane(&pane_b)),
5836 None
5837 );
5838
5839 workspace_b
5840 .update(cx_b, |workspace, cx| {
5841 workspace
5842 .toggle_follow(&ToggleFollow(leader_id), cx)
5843 .unwrap()
5844 })
5845 .await
5846 .unwrap();
5847 assert_eq!(
5848 workspace_b.read_with(cx_b, |workspace, _| workspace.leader_for_pane(&pane_b)),
5849 Some(leader_id)
5850 );
5851
5852 // When client B edits, it automatically stops following client A.
5853 editor_b2.update(cx_b, |editor, cx| editor.insert("X", cx));
5854 assert_eq!(
5855 workspace_b.read_with(cx_b, |workspace, _| workspace.leader_for_pane(&pane_b)),
5856 None
5857 );
5858
5859 workspace_b
5860 .update(cx_b, |workspace, cx| {
5861 workspace
5862 .toggle_follow(&ToggleFollow(leader_id), cx)
5863 .unwrap()
5864 })
5865 .await
5866 .unwrap();
5867 assert_eq!(
5868 workspace_b.read_with(cx_b, |workspace, _| workspace.leader_for_pane(&pane_b)),
5869 Some(leader_id)
5870 );
5871
5872 // When client B scrolls, it automatically stops following client A.
5873 editor_b2.update(cx_b, |editor, cx| {
5874 editor.set_scroll_position(vec2f(0., 3.), cx)
5875 });
5876 assert_eq!(
5877 workspace_b.read_with(cx_b, |workspace, _| workspace.leader_for_pane(&pane_b)),
5878 None
5879 );
5880
5881 workspace_b
5882 .update(cx_b, |workspace, cx| {
5883 workspace
5884 .toggle_follow(&ToggleFollow(leader_id), cx)
5885 .unwrap()
5886 })
5887 .await
5888 .unwrap();
5889 assert_eq!(
5890 workspace_b.read_with(cx_b, |workspace, _| workspace.leader_for_pane(&pane_b)),
5891 Some(leader_id)
5892 );
5893
5894 // When client B activates a different pane, it continues following client A in the original pane.
5895 workspace_b.update(cx_b, |workspace, cx| {
5896 workspace.split_pane(pane_b.clone(), SplitDirection::Right, cx)
5897 });
5898 assert_eq!(
5899 workspace_b.read_with(cx_b, |workspace, _| workspace.leader_for_pane(&pane_b)),
5900 Some(leader_id)
5901 );
5902
5903 workspace_b.update(cx_b, |workspace, cx| workspace.activate_next_pane(cx));
5904 assert_eq!(
5905 workspace_b.read_with(cx_b, |workspace, _| workspace.leader_for_pane(&pane_b)),
5906 Some(leader_id)
5907 );
5908
5909 // When client B activates a different item in the original pane, it automatically stops following client A.
5910 workspace_b
5911 .update(cx_b, |workspace, cx| {
5912 workspace.open_path((worktree_id, "2.txt"), true, cx)
5913 })
5914 .await
5915 .unwrap();
5916 assert_eq!(
5917 workspace_b.read_with(cx_b, |workspace, _| workspace.leader_for_pane(&pane_b)),
5918 None
5919 );
5920 }
5921
5922 #[gpui::test(iterations = 100)]
5923 async fn test_random_collaboration(
5924 cx: &mut TestAppContext,
5925 deterministic: Arc<Deterministic>,
5926 rng: StdRng,
5927 ) {
5928 cx.foreground().forbid_parking();
5929 let max_peers = env::var("MAX_PEERS")
5930 .map(|i| i.parse().expect("invalid `MAX_PEERS` variable"))
5931 .unwrap_or(5);
5932 assert!(max_peers <= 5);
5933
5934 let max_operations = env::var("OPERATIONS")
5935 .map(|i| i.parse().expect("invalid `OPERATIONS` variable"))
5936 .unwrap_or(10);
5937
5938 let rng = Arc::new(Mutex::new(rng));
5939
5940 let guest_lang_registry = Arc::new(LanguageRegistry::test());
5941 let host_language_registry = Arc::new(LanguageRegistry::test());
5942
5943 let fs = FakeFs::new(cx.background());
5944 fs.insert_tree("/_collab", json!({"init": ""})).await;
5945
5946 let mut server = TestServer::start(cx.foreground(), cx.background()).await;
5947 let db = server.app_state.db.clone();
5948 let host_user_id = db.create_user("host", false).await.unwrap();
5949 for username in ["guest-1", "guest-2", "guest-3", "guest-4"] {
5950 let guest_user_id = db.create_user(username, false).await.unwrap();
5951 server
5952 .app_state
5953 .db
5954 .send_contact_request(guest_user_id, host_user_id)
5955 .await
5956 .unwrap();
5957 server
5958 .app_state
5959 .db
5960 .respond_to_contact_request(host_user_id, guest_user_id, true)
5961 .await
5962 .unwrap();
5963 }
5964
5965 let mut clients = Vec::new();
5966 let mut user_ids = Vec::new();
5967 let mut op_start_signals = Vec::new();
5968
5969 let mut next_entity_id = 100000;
5970 let mut host_cx = TestAppContext::new(
5971 cx.foreground_platform(),
5972 cx.platform(),
5973 deterministic.build_foreground(next_entity_id),
5974 deterministic.build_background(),
5975 cx.font_cache(),
5976 cx.leak_detector(),
5977 next_entity_id,
5978 );
5979 let host = server.create_client(&mut host_cx, "host").await;
5980 let host_project = host_cx.update(|cx| {
5981 Project::local(
5982 host.client.clone(),
5983 host.user_store.clone(),
5984 host_language_registry.clone(),
5985 fs.clone(),
5986 cx,
5987 )
5988 });
5989 let host_project_id = host_project
5990 .update(&mut host_cx, |p, _| p.next_remote_id())
5991 .await;
5992
5993 let (collab_worktree, _) = host_project
5994 .update(&mut host_cx, |project, cx| {
5995 project.find_or_create_local_worktree("/_collab", true, cx)
5996 })
5997 .await
5998 .unwrap();
5999 collab_worktree
6000 .read_with(&host_cx, |tree, _| tree.as_local().unwrap().scan_complete())
6001 .await;
6002 host_project
6003 .update(&mut host_cx, |project, cx| project.share(cx))
6004 .await
6005 .unwrap();
6006
6007 // Set up fake language servers.
6008 let mut language = Language::new(
6009 LanguageConfig {
6010 name: "Rust".into(),
6011 path_suffixes: vec!["rs".to_string()],
6012 ..Default::default()
6013 },
6014 None,
6015 );
6016 let _fake_servers = language.set_fake_lsp_adapter(FakeLspAdapter {
6017 name: "the-fake-language-server",
6018 capabilities: lsp::LanguageServer::full_capabilities(),
6019 initializer: Some(Box::new({
6020 let rng = rng.clone();
6021 let fs = fs.clone();
6022 let project = host_project.downgrade();
6023 move |fake_server: &mut FakeLanguageServer| {
6024 fake_server.handle_request::<lsp::request::Completion, _, _>(
6025 |_, _| async move {
6026 Ok(Some(lsp::CompletionResponse::Array(vec![
6027 lsp::CompletionItem {
6028 text_edit: Some(lsp::CompletionTextEdit::Edit(lsp::TextEdit {
6029 range: lsp::Range::new(
6030 lsp::Position::new(0, 0),
6031 lsp::Position::new(0, 0),
6032 ),
6033 new_text: "the-new-text".to_string(),
6034 })),
6035 ..Default::default()
6036 },
6037 ])))
6038 },
6039 );
6040
6041 fake_server.handle_request::<lsp::request::CodeActionRequest, _, _>(
6042 |_, _| async move {
6043 Ok(Some(vec![lsp::CodeActionOrCommand::CodeAction(
6044 lsp::CodeAction {
6045 title: "the-code-action".to_string(),
6046 ..Default::default()
6047 },
6048 )]))
6049 },
6050 );
6051
6052 fake_server.handle_request::<lsp::request::PrepareRenameRequest, _, _>(
6053 |params, _| async move {
6054 Ok(Some(lsp::PrepareRenameResponse::Range(lsp::Range::new(
6055 params.position,
6056 params.position,
6057 ))))
6058 },
6059 );
6060
6061 fake_server.handle_request::<lsp::request::GotoDefinition, _, _>({
6062 let fs = fs.clone();
6063 let rng = rng.clone();
6064 move |_, _| {
6065 let fs = fs.clone();
6066 let rng = rng.clone();
6067 async move {
6068 let files = fs.files().await;
6069 let mut rng = rng.lock();
6070 let count = rng.gen_range::<usize, _>(1..3);
6071 let files = (0..count)
6072 .map(|_| files.choose(&mut *rng).unwrap())
6073 .collect::<Vec<_>>();
6074 log::info!("LSP: Returning definitions in files {:?}", &files);
6075 Ok(Some(lsp::GotoDefinitionResponse::Array(
6076 files
6077 .into_iter()
6078 .map(|file| lsp::Location {
6079 uri: lsp::Url::from_file_path(file).unwrap(),
6080 range: Default::default(),
6081 })
6082 .collect(),
6083 )))
6084 }
6085 }
6086 });
6087
6088 fake_server.handle_request::<lsp::request::DocumentHighlightRequest, _, _>({
6089 let rng = rng.clone();
6090 let project = project.clone();
6091 move |params, mut cx| {
6092 let highlights = if let Some(project) = project.upgrade(&cx) {
6093 project.update(&mut cx, |project, cx| {
6094 let path = params
6095 .text_document_position_params
6096 .text_document
6097 .uri
6098 .to_file_path()
6099 .unwrap();
6100 let (worktree, relative_path) =
6101 project.find_local_worktree(&path, cx)?;
6102 let project_path =
6103 ProjectPath::from((worktree.read(cx).id(), relative_path));
6104 let buffer =
6105 project.get_open_buffer(&project_path, cx)?.read(cx);
6106
6107 let mut highlights = Vec::new();
6108 let highlight_count = rng.lock().gen_range(1..=5);
6109 let mut prev_end = 0;
6110 for _ in 0..highlight_count {
6111 let range =
6112 buffer.random_byte_range(prev_end, &mut *rng.lock());
6113
6114 highlights.push(lsp::DocumentHighlight {
6115 range: range_to_lsp(range.to_point_utf16(buffer)),
6116 kind: Some(lsp::DocumentHighlightKind::READ),
6117 });
6118 prev_end = range.end;
6119 }
6120 Some(highlights)
6121 })
6122 } else {
6123 None
6124 };
6125 async move { Ok(highlights) }
6126 }
6127 });
6128 }
6129 })),
6130 ..Default::default()
6131 });
6132 host_language_registry.add(Arc::new(language));
6133
6134 let op_start_signal = futures::channel::mpsc::unbounded();
6135 user_ids.push(host.current_user_id(&host_cx));
6136 op_start_signals.push(op_start_signal.0);
6137 clients.push(host_cx.foreground().spawn(host.simulate_host(
6138 host_project,
6139 op_start_signal.1,
6140 rng.clone(),
6141 host_cx,
6142 )));
6143
6144 let disconnect_host_at = if rng.lock().gen_bool(0.2) {
6145 rng.lock().gen_range(0..max_operations)
6146 } else {
6147 max_operations
6148 };
6149 let mut available_guests = vec![
6150 "guest-1".to_string(),
6151 "guest-2".to_string(),
6152 "guest-3".to_string(),
6153 "guest-4".to_string(),
6154 ];
6155 let mut operations = 0;
6156 while operations < max_operations {
6157 if operations == disconnect_host_at {
6158 server.disconnect_client(user_ids[0]);
6159 cx.foreground().advance_clock(RECEIVE_TIMEOUT);
6160 drop(op_start_signals);
6161 let mut clients = futures::future::join_all(clients).await;
6162 cx.foreground().run_until_parked();
6163
6164 let (host, mut host_cx, host_err) = clients.remove(0);
6165 if let Some(host_err) = host_err {
6166 log::error!("host error - {}", host_err);
6167 }
6168 host.project
6169 .as_ref()
6170 .unwrap()
6171 .read_with(&host_cx, |project, _| assert!(!project.is_shared()));
6172 for (guest, mut guest_cx, guest_err) in clients {
6173 if let Some(guest_err) = guest_err {
6174 log::error!("{} error - {}", guest.username, guest_err);
6175 }
6176 // TODO
6177 // let contacts = server
6178 // .store
6179 // .read()
6180 // .await
6181 // .contacts_for_user(guest.current_user_id(&guest_cx));
6182 // assert!(!contacts
6183 // .iter()
6184 // .flat_map(|contact| &contact.projects)
6185 // .any(|project| project.id == host_project_id));
6186 guest
6187 .project
6188 .as_ref()
6189 .unwrap()
6190 .read_with(&guest_cx, |project, _| assert!(project.is_read_only()));
6191 guest_cx.update(|_| drop(guest));
6192 }
6193 host_cx.update(|_| drop(host));
6194
6195 return;
6196 }
6197
6198 let distribution = rng.lock().gen_range(0..100);
6199 match distribution {
6200 0..=19 if !available_guests.is_empty() => {
6201 let guest_ix = rng.lock().gen_range(0..available_guests.len());
6202 let guest_username = available_guests.remove(guest_ix);
6203 log::info!("Adding new connection for {}", guest_username);
6204 next_entity_id += 100000;
6205 let mut guest_cx = TestAppContext::new(
6206 cx.foreground_platform(),
6207 cx.platform(),
6208 deterministic.build_foreground(next_entity_id),
6209 deterministic.build_background(),
6210 cx.font_cache(),
6211 cx.leak_detector(),
6212 next_entity_id,
6213 );
6214 let guest = server.create_client(&mut guest_cx, &guest_username).await;
6215 let guest_project = Project::remote(
6216 host_project_id,
6217 guest.client.clone(),
6218 guest.user_store.clone(),
6219 guest_lang_registry.clone(),
6220 FakeFs::new(cx.background()),
6221 &mut guest_cx.to_async(),
6222 )
6223 .await
6224 .unwrap();
6225 let op_start_signal = futures::channel::mpsc::unbounded();
6226 user_ids.push(guest.current_user_id(&guest_cx));
6227 op_start_signals.push(op_start_signal.0);
6228 clients.push(guest_cx.foreground().spawn(guest.simulate_guest(
6229 guest_username.clone(),
6230 guest_project,
6231 op_start_signal.1,
6232 rng.clone(),
6233 guest_cx,
6234 )));
6235
6236 log::info!("Added connection for {}", guest_username);
6237 operations += 1;
6238 }
6239 20..=29 if clients.len() > 1 => {
6240 let guest_ix = rng.lock().gen_range(1..clients.len());
6241 log::info!("Removing guest {}", user_ids[guest_ix]);
6242 let removed_guest_id = user_ids.remove(guest_ix);
6243 let guest = clients.remove(guest_ix);
6244 op_start_signals.remove(guest_ix);
6245 server.disconnect_client(removed_guest_id);
6246 cx.foreground().advance_clock(RECEIVE_TIMEOUT);
6247 let (guest, mut guest_cx, guest_err) = guest.await;
6248 if let Some(guest_err) = guest_err {
6249 log::error!("{} error - {}", guest.username, guest_err);
6250 }
6251 guest
6252 .project
6253 .as_ref()
6254 .unwrap()
6255 .read_with(&guest_cx, |project, _| assert!(project.is_read_only()));
6256 // TODO
6257 // for user_id in &user_ids {
6258 // for contact in server.store.read().await.contacts_for_user(*user_id) {
6259 // assert_ne!(
6260 // contact.user_id, removed_guest_id.0 as u64,
6261 // "removed guest is still a contact of another peer"
6262 // );
6263 // for project in contact.projects {
6264 // for project_guest_id in project.guests {
6265 // assert_ne!(
6266 // project_guest_id, removed_guest_id.0 as u64,
6267 // "removed guest appears as still participating on a project"
6268 // );
6269 // }
6270 // }
6271 // }
6272 // }
6273
6274 log::info!("{} removed", guest.username);
6275 available_guests.push(guest.username.clone());
6276 guest_cx.update(|_| drop(guest));
6277
6278 operations += 1;
6279 }
6280 _ => {
6281 while operations < max_operations && rng.lock().gen_bool(0.7) {
6282 op_start_signals
6283 .choose(&mut *rng.lock())
6284 .unwrap()
6285 .unbounded_send(())
6286 .unwrap();
6287 operations += 1;
6288 }
6289
6290 if rng.lock().gen_bool(0.8) {
6291 cx.foreground().run_until_parked();
6292 }
6293 }
6294 }
6295 }
6296
6297 drop(op_start_signals);
6298 let mut clients = futures::future::join_all(clients).await;
6299 cx.foreground().run_until_parked();
6300
6301 let (host_client, mut host_cx, host_err) = clients.remove(0);
6302 if let Some(host_err) = host_err {
6303 panic!("host error - {}", host_err);
6304 }
6305 let host_project = host_client.project.as_ref().unwrap();
6306 let host_worktree_snapshots = host_project.read_with(&host_cx, |project, cx| {
6307 project
6308 .worktrees(cx)
6309 .map(|worktree| {
6310 let snapshot = worktree.read(cx).snapshot();
6311 (snapshot.id(), snapshot)
6312 })
6313 .collect::<BTreeMap<_, _>>()
6314 });
6315
6316 host_client
6317 .project
6318 .as_ref()
6319 .unwrap()
6320 .read_with(&host_cx, |project, cx| project.check_invariants(cx));
6321
6322 for (guest_client, mut guest_cx, guest_err) in clients.into_iter() {
6323 if let Some(guest_err) = guest_err {
6324 panic!("{} error - {}", guest_client.username, guest_err);
6325 }
6326 let worktree_snapshots =
6327 guest_client
6328 .project
6329 .as_ref()
6330 .unwrap()
6331 .read_with(&guest_cx, |project, cx| {
6332 project
6333 .worktrees(cx)
6334 .map(|worktree| {
6335 let worktree = worktree.read(cx);
6336 (worktree.id(), worktree.snapshot())
6337 })
6338 .collect::<BTreeMap<_, _>>()
6339 });
6340
6341 assert_eq!(
6342 worktree_snapshots.keys().collect::<Vec<_>>(),
6343 host_worktree_snapshots.keys().collect::<Vec<_>>(),
6344 "{} has different worktrees than the host",
6345 guest_client.username
6346 );
6347 for (id, host_snapshot) in &host_worktree_snapshots {
6348 let guest_snapshot = &worktree_snapshots[id];
6349 assert_eq!(
6350 guest_snapshot.root_name(),
6351 host_snapshot.root_name(),
6352 "{} has different root name than the host for worktree {}",
6353 guest_client.username,
6354 id
6355 );
6356 assert_eq!(
6357 guest_snapshot.entries(false).collect::<Vec<_>>(),
6358 host_snapshot.entries(false).collect::<Vec<_>>(),
6359 "{} has different snapshot than the host for worktree {}",
6360 guest_client.username,
6361 id
6362 );
6363 assert_eq!(guest_snapshot.scan_id(), host_snapshot.scan_id());
6364 }
6365
6366 guest_client
6367 .project
6368 .as_ref()
6369 .unwrap()
6370 .read_with(&guest_cx, |project, cx| project.check_invariants(cx));
6371
6372 for guest_buffer in &guest_client.buffers {
6373 let buffer_id = guest_buffer.read_with(&guest_cx, |buffer, _| buffer.remote_id());
6374 let host_buffer = host_project.read_with(&host_cx, |project, cx| {
6375 project.buffer_for_id(buffer_id, cx).expect(&format!(
6376 "host does not have buffer for guest:{}, peer:{}, id:{}",
6377 guest_client.username, guest_client.peer_id, buffer_id
6378 ))
6379 });
6380 let path = host_buffer
6381 .read_with(&host_cx, |buffer, cx| buffer.file().unwrap().full_path(cx));
6382
6383 assert_eq!(
6384 guest_buffer.read_with(&guest_cx, |buffer, _| buffer.deferred_ops_len()),
6385 0,
6386 "{}, buffer {}, path {:?} has deferred operations",
6387 guest_client.username,
6388 buffer_id,
6389 path,
6390 );
6391 assert_eq!(
6392 guest_buffer.read_with(&guest_cx, |buffer, _| buffer.text()),
6393 host_buffer.read_with(&host_cx, |buffer, _| buffer.text()),
6394 "{}, buffer {}, path {:?}, differs from the host's buffer",
6395 guest_client.username,
6396 buffer_id,
6397 path
6398 );
6399 }
6400
6401 guest_cx.update(|_| drop(guest_client));
6402 }
6403
6404 host_cx.update(|_| drop(host_client));
6405 }
6406
6407 struct TestServer {
6408 peer: Arc<Peer>,
6409 app_state: Arc<AppState>,
6410 server: Arc<Server>,
6411 foreground: Rc<executor::Foreground>,
6412 notifications: mpsc::UnboundedReceiver<()>,
6413 connection_killers: Arc<Mutex<HashMap<UserId, Arc<AtomicBool>>>>,
6414 forbid_connections: Arc<AtomicBool>,
6415 _test_db: TestDb,
6416 }
6417
6418 impl TestServer {
6419 async fn start(
6420 foreground: Rc<executor::Foreground>,
6421 background: Arc<executor::Background>,
6422 ) -> Self {
6423 let test_db = TestDb::fake(background);
6424 let app_state = Self::build_app_state(&test_db).await;
6425 let peer = Peer::new();
6426 let notifications = mpsc::unbounded();
6427 let server = Server::new(app_state.clone(), Some(notifications.0));
6428 Self {
6429 peer,
6430 app_state,
6431 server,
6432 foreground,
6433 notifications: notifications.1,
6434 connection_killers: Default::default(),
6435 forbid_connections: Default::default(),
6436 _test_db: test_db,
6437 }
6438 }
6439
6440 async fn create_client(&mut self, cx: &mut TestAppContext, name: &str) -> TestClient {
6441 cx.update(|cx| {
6442 let settings = Settings::test(cx);
6443 cx.set_global(settings);
6444 });
6445
6446 let http = FakeHttpClient::with_404_response();
6447 let user_id =
6448 if let Ok(Some(user)) = self.app_state.db.get_user_by_github_login(name).await {
6449 user.id
6450 } else {
6451 self.app_state.db.create_user(name, false).await.unwrap()
6452 };
6453 let client_name = name.to_string();
6454 let mut client = Client::new(http.clone());
6455 let server = self.server.clone();
6456 let connection_killers = self.connection_killers.clone();
6457 let forbid_connections = self.forbid_connections.clone();
6458 let (connection_id_tx, mut connection_id_rx) = mpsc::channel(16);
6459
6460 Arc::get_mut(&mut client)
6461 .unwrap()
6462 .override_authenticate(move |cx| {
6463 cx.spawn(|_| async move {
6464 let access_token = "the-token".to_string();
6465 Ok(Credentials {
6466 user_id: user_id.0 as u64,
6467 access_token,
6468 })
6469 })
6470 })
6471 .override_establish_connection(move |credentials, cx| {
6472 assert_eq!(credentials.user_id, user_id.0 as u64);
6473 assert_eq!(credentials.access_token, "the-token");
6474
6475 let server = server.clone();
6476 let connection_killers = connection_killers.clone();
6477 let forbid_connections = forbid_connections.clone();
6478 let client_name = client_name.clone();
6479 let connection_id_tx = connection_id_tx.clone();
6480 cx.spawn(move |cx| async move {
6481 if forbid_connections.load(SeqCst) {
6482 Err(EstablishConnectionError::other(anyhow!(
6483 "server is forbidding connections"
6484 )))
6485 } else {
6486 let (client_conn, server_conn, killed) =
6487 Connection::in_memory(cx.background());
6488 connection_killers.lock().insert(user_id, killed);
6489 cx.background()
6490 .spawn(server.handle_connection(
6491 server_conn,
6492 client_name,
6493 user_id,
6494 Some(connection_id_tx),
6495 cx.background(),
6496 ))
6497 .detach();
6498 Ok(client_conn)
6499 }
6500 })
6501 });
6502
6503 client
6504 .authenticate_and_connect(false, &cx.to_async())
6505 .await
6506 .unwrap();
6507
6508 Channel::init(&client);
6509 Project::init(&client);
6510 cx.update(|cx| {
6511 workspace::init(&client, cx);
6512 });
6513
6514 let peer_id = PeerId(connection_id_rx.next().await.unwrap().0);
6515 let user_store = cx.add_model(|cx| UserStore::new(client.clone(), http, cx));
6516
6517 let client = TestClient {
6518 client,
6519 peer_id,
6520 username: name.to_string(),
6521 user_store,
6522 language_registry: Arc::new(LanguageRegistry::test()),
6523 project: Default::default(),
6524 buffers: Default::default(),
6525 };
6526 client.wait_for_current_user(cx).await;
6527 client
6528 }
6529
6530 fn disconnect_client(&self, user_id: UserId) {
6531 self.connection_killers
6532 .lock()
6533 .remove(&user_id)
6534 .unwrap()
6535 .store(true, SeqCst);
6536 }
6537
6538 fn forbid_connections(&self) {
6539 self.forbid_connections.store(true, SeqCst);
6540 }
6541
6542 fn allow_connections(&self) {
6543 self.forbid_connections.store(false, SeqCst);
6544 }
6545
6546 async fn make_contacts(&self, mut clients: Vec<(&TestClient, &mut TestAppContext)>) {
6547 while let Some((client_a, cx_a)) = clients.pop() {
6548 for (client_b, cx_b) in &mut clients {
6549 client_a
6550 .user_store
6551 .update(cx_a, |store, cx| {
6552 store.request_contact(client_b.user_id().unwrap(), cx)
6553 })
6554 .await
6555 .unwrap();
6556 cx_a.foreground().run_until_parked();
6557 client_b
6558 .user_store
6559 .update(*cx_b, |store, cx| {
6560 store.respond_to_contact_request(client_a.user_id().unwrap(), true, cx)
6561 })
6562 .await
6563 .unwrap();
6564 }
6565 }
6566 }
6567
6568 async fn build_app_state(test_db: &TestDb) -> Arc<AppState> {
6569 Arc::new(AppState {
6570 db: test_db.db().clone(),
6571 api_token: Default::default(),
6572 })
6573 }
6574
6575 async fn state<'a>(&'a self) -> RwLockReadGuard<'a, Store> {
6576 self.server.store.read().await
6577 }
6578
6579 async fn condition<F>(&mut self, mut predicate: F)
6580 where
6581 F: FnMut(&Store) -> bool,
6582 {
6583 assert!(
6584 self.foreground.parking_forbidden(),
6585 "you must call forbid_parking to use server conditions so we don't block indefinitely"
6586 );
6587 while !(predicate)(&*self.server.store.read().await) {
6588 self.foreground.start_waiting();
6589 self.notifications.next().await;
6590 self.foreground.finish_waiting();
6591 }
6592 }
6593 }
6594
6595 impl Deref for TestServer {
6596 type Target = Server;
6597
6598 fn deref(&self) -> &Self::Target {
6599 &self.server
6600 }
6601 }
6602
6603 impl Drop for TestServer {
6604 fn drop(&mut self) {
6605 self.peer.reset();
6606 }
6607 }
6608
6609 struct TestClient {
6610 client: Arc<Client>,
6611 username: String,
6612 pub peer_id: PeerId,
6613 pub user_store: ModelHandle<UserStore>,
6614 language_registry: Arc<LanguageRegistry>,
6615 project: Option<ModelHandle<Project>>,
6616 buffers: HashSet<ModelHandle<language::Buffer>>,
6617 }
6618
6619 impl Deref for TestClient {
6620 type Target = Arc<Client>;
6621
6622 fn deref(&self) -> &Self::Target {
6623 &self.client
6624 }
6625 }
6626
6627 struct ContactsSummary {
6628 pub current: Vec<String>,
6629 pub outgoing_requests: Vec<String>,
6630 pub incoming_requests: Vec<String>,
6631 }
6632
6633 impl TestClient {
6634 pub fn current_user_id(&self, cx: &TestAppContext) -> UserId {
6635 UserId::from_proto(
6636 self.user_store
6637 .read_with(cx, |user_store, _| user_store.current_user().unwrap().id),
6638 )
6639 }
6640
6641 async fn wait_for_current_user(&self, cx: &TestAppContext) {
6642 let mut authed_user = self
6643 .user_store
6644 .read_with(cx, |user_store, _| user_store.watch_current_user());
6645 while authed_user.next().await.unwrap().is_none() {}
6646 }
6647
6648 async fn clear_contacts(&self, cx: &mut TestAppContext) {
6649 self.user_store
6650 .update(cx, |store, _| store.clear_contacts())
6651 .await;
6652 }
6653
6654 fn summarize_contacts(&self, cx: &TestAppContext) -> ContactsSummary {
6655 self.user_store.read_with(cx, |store, _| ContactsSummary {
6656 current: store
6657 .contacts()
6658 .iter()
6659 .map(|contact| contact.user.github_login.clone())
6660 .collect(),
6661 outgoing_requests: store
6662 .outgoing_contact_requests()
6663 .iter()
6664 .map(|user| user.github_login.clone())
6665 .collect(),
6666 incoming_requests: store
6667 .incoming_contact_requests()
6668 .iter()
6669 .map(|user| user.github_login.clone())
6670 .collect(),
6671 })
6672 }
6673
6674 async fn build_local_project(
6675 &mut self,
6676 fs: Arc<FakeFs>,
6677 root_path: impl AsRef<Path>,
6678 cx: &mut TestAppContext,
6679 ) -> (ModelHandle<Project>, WorktreeId) {
6680 let project = cx.update(|cx| {
6681 Project::local(
6682 self.client.clone(),
6683 self.user_store.clone(),
6684 self.language_registry.clone(),
6685 fs,
6686 cx,
6687 )
6688 });
6689 self.project = Some(project.clone());
6690 let (worktree, _) = project
6691 .update(cx, |p, cx| {
6692 p.find_or_create_local_worktree(root_path, true, cx)
6693 })
6694 .await
6695 .unwrap();
6696 worktree
6697 .read_with(cx, |tree, _| tree.as_local().unwrap().scan_complete())
6698 .await;
6699 project
6700 .update(cx, |project, _| project.next_remote_id())
6701 .await;
6702 (project, worktree.read_with(cx, |tree, _| tree.id()))
6703 }
6704
6705 async fn build_remote_project(
6706 &mut self,
6707 project_id: u64,
6708 cx: &mut TestAppContext,
6709 ) -> ModelHandle<Project> {
6710 let project = Project::remote(
6711 project_id,
6712 self.client.clone(),
6713 self.user_store.clone(),
6714 self.language_registry.clone(),
6715 FakeFs::new(cx.background()),
6716 &mut cx.to_async(),
6717 )
6718 .await
6719 .unwrap();
6720 self.project = Some(project.clone());
6721 project
6722 }
6723
6724 fn build_workspace(
6725 &self,
6726 project: &ModelHandle<Project>,
6727 cx: &mut TestAppContext,
6728 ) -> ViewHandle<Workspace> {
6729 let (window_id, _) = cx.add_window(|_| EmptyView);
6730 cx.add_view(window_id, |cx| {
6731 let fs = project.read(cx).fs().clone();
6732 Workspace::new(
6733 &WorkspaceParams {
6734 fs,
6735 project: project.clone(),
6736 user_store: self.user_store.clone(),
6737 languages: self.language_registry.clone(),
6738 themes: ThemeRegistry::new((), cx.font_cache().clone()),
6739 channel_list: cx.add_model(|cx| {
6740 ChannelList::new(self.user_store.clone(), self.client.clone(), cx)
6741 }),
6742 client: self.client.clone(),
6743 },
6744 cx,
6745 )
6746 })
6747 }
6748
6749 async fn simulate_host(
6750 mut self,
6751 project: ModelHandle<Project>,
6752 op_start_signal: futures::channel::mpsc::UnboundedReceiver<()>,
6753 rng: Arc<Mutex<StdRng>>,
6754 mut cx: TestAppContext,
6755 ) -> (Self, TestAppContext, Option<anyhow::Error>) {
6756 async fn simulate_host_internal(
6757 client: &mut TestClient,
6758 project: ModelHandle<Project>,
6759 mut op_start_signal: futures::channel::mpsc::UnboundedReceiver<()>,
6760 rng: Arc<Mutex<StdRng>>,
6761 cx: &mut TestAppContext,
6762 ) -> anyhow::Result<()> {
6763 let fs = project.read_with(cx, |project, _| project.fs().clone());
6764
6765 while op_start_signal.next().await.is_some() {
6766 let distribution = rng.lock().gen_range::<usize, _>(0..100);
6767 let files = fs.as_fake().files().await;
6768 match distribution {
6769 0..=20 if !files.is_empty() => {
6770 let path = files.choose(&mut *rng.lock()).unwrap();
6771 let mut path = path.as_path();
6772 while let Some(parent_path) = path.parent() {
6773 path = parent_path;
6774 if rng.lock().gen() {
6775 break;
6776 }
6777 }
6778
6779 log::info!("Host: find/create local worktree {:?}", path);
6780 let find_or_create_worktree = project.update(cx, |project, cx| {
6781 project.find_or_create_local_worktree(path, true, cx)
6782 });
6783 if rng.lock().gen() {
6784 cx.background().spawn(find_or_create_worktree).detach();
6785 } else {
6786 find_or_create_worktree.await?;
6787 }
6788 }
6789 10..=80 if !files.is_empty() => {
6790 let buffer = if client.buffers.is_empty() || rng.lock().gen() {
6791 let file = files.choose(&mut *rng.lock()).unwrap();
6792 let (worktree, path) = project
6793 .update(cx, |project, cx| {
6794 project.find_or_create_local_worktree(
6795 file.clone(),
6796 true,
6797 cx,
6798 )
6799 })
6800 .await?;
6801 let project_path =
6802 worktree.read_with(cx, |worktree, _| (worktree.id(), path));
6803 log::info!(
6804 "Host: opening path {:?}, worktree {}, relative_path {:?}",
6805 file,
6806 project_path.0,
6807 project_path.1
6808 );
6809 let buffer = project
6810 .update(cx, |project, cx| project.open_buffer(project_path, cx))
6811 .await
6812 .unwrap();
6813 client.buffers.insert(buffer.clone());
6814 buffer
6815 } else {
6816 client
6817 .buffers
6818 .iter()
6819 .choose(&mut *rng.lock())
6820 .unwrap()
6821 .clone()
6822 };
6823
6824 if rng.lock().gen_bool(0.1) {
6825 cx.update(|cx| {
6826 log::info!(
6827 "Host: dropping buffer {:?}",
6828 buffer.read(cx).file().unwrap().full_path(cx)
6829 );
6830 client.buffers.remove(&buffer);
6831 drop(buffer);
6832 });
6833 } else {
6834 buffer.update(cx, |buffer, cx| {
6835 log::info!(
6836 "Host: updating buffer {:?} ({})",
6837 buffer.file().unwrap().full_path(cx),
6838 buffer.remote_id()
6839 );
6840
6841 if rng.lock().gen_bool(0.7) {
6842 buffer.randomly_edit(&mut *rng.lock(), 5, cx);
6843 } else {
6844 buffer.randomly_undo_redo(&mut *rng.lock(), cx);
6845 }
6846 });
6847 }
6848 }
6849 _ => loop {
6850 let path_component_count = rng.lock().gen_range::<usize, _>(1..=5);
6851 let mut path = PathBuf::new();
6852 path.push("/");
6853 for _ in 0..path_component_count {
6854 let letter = rng.lock().gen_range(b'a'..=b'z');
6855 path.push(std::str::from_utf8(&[letter]).unwrap());
6856 }
6857 path.set_extension("rs");
6858 let parent_path = path.parent().unwrap();
6859
6860 log::info!("Host: creating file {:?}", path,);
6861
6862 if fs.create_dir(&parent_path).await.is_ok()
6863 && fs.create_file(&path, Default::default()).await.is_ok()
6864 {
6865 break;
6866 } else {
6867 log::info!("Host: cannot create file");
6868 }
6869 },
6870 }
6871
6872 cx.background().simulate_random_delay().await;
6873 }
6874
6875 Ok(())
6876 }
6877
6878 let result =
6879 simulate_host_internal(&mut self, project.clone(), op_start_signal, rng, &mut cx)
6880 .await;
6881 log::info!("Host done");
6882 self.project = Some(project);
6883 (self, cx, result.err())
6884 }
6885
6886 pub async fn simulate_guest(
6887 mut self,
6888 guest_username: String,
6889 project: ModelHandle<Project>,
6890 op_start_signal: futures::channel::mpsc::UnboundedReceiver<()>,
6891 rng: Arc<Mutex<StdRng>>,
6892 mut cx: TestAppContext,
6893 ) -> (Self, TestAppContext, Option<anyhow::Error>) {
6894 async fn simulate_guest_internal(
6895 client: &mut TestClient,
6896 guest_username: &str,
6897 project: ModelHandle<Project>,
6898 mut op_start_signal: futures::channel::mpsc::UnboundedReceiver<()>,
6899 rng: Arc<Mutex<StdRng>>,
6900 cx: &mut TestAppContext,
6901 ) -> anyhow::Result<()> {
6902 while op_start_signal.next().await.is_some() {
6903 let buffer = if client.buffers.is_empty() || rng.lock().gen() {
6904 let worktree = if let Some(worktree) =
6905 project.read_with(cx, |project, cx| {
6906 project
6907 .worktrees(&cx)
6908 .filter(|worktree| {
6909 let worktree = worktree.read(cx);
6910 worktree.is_visible()
6911 && worktree.entries(false).any(|e| e.is_file())
6912 })
6913 .choose(&mut *rng.lock())
6914 }) {
6915 worktree
6916 } else {
6917 cx.background().simulate_random_delay().await;
6918 continue;
6919 };
6920
6921 let (worktree_root_name, project_path) =
6922 worktree.read_with(cx, |worktree, _| {
6923 let entry = worktree
6924 .entries(false)
6925 .filter(|e| e.is_file())
6926 .choose(&mut *rng.lock())
6927 .unwrap();
6928 (
6929 worktree.root_name().to_string(),
6930 (worktree.id(), entry.path.clone()),
6931 )
6932 });
6933 log::info!(
6934 "{}: opening path {:?} in worktree {} ({})",
6935 guest_username,
6936 project_path.1,
6937 project_path.0,
6938 worktree_root_name,
6939 );
6940 let buffer = project
6941 .update(cx, |project, cx| {
6942 project.open_buffer(project_path.clone(), cx)
6943 })
6944 .await?;
6945 log::info!(
6946 "{}: opened path {:?} in worktree {} ({}) with buffer id {}",
6947 guest_username,
6948 project_path.1,
6949 project_path.0,
6950 worktree_root_name,
6951 buffer.read_with(cx, |buffer, _| buffer.remote_id())
6952 );
6953 client.buffers.insert(buffer.clone());
6954 buffer
6955 } else {
6956 client
6957 .buffers
6958 .iter()
6959 .choose(&mut *rng.lock())
6960 .unwrap()
6961 .clone()
6962 };
6963
6964 let choice = rng.lock().gen_range(0..100);
6965 match choice {
6966 0..=9 => {
6967 cx.update(|cx| {
6968 log::info!(
6969 "{}: dropping buffer {:?}",
6970 guest_username,
6971 buffer.read(cx).file().unwrap().full_path(cx)
6972 );
6973 client.buffers.remove(&buffer);
6974 drop(buffer);
6975 });
6976 }
6977 10..=19 => {
6978 let completions = project.update(cx, |project, cx| {
6979 log::info!(
6980 "{}: requesting completions for buffer {} ({:?})",
6981 guest_username,
6982 buffer.read(cx).remote_id(),
6983 buffer.read(cx).file().unwrap().full_path(cx)
6984 );
6985 let offset = rng.lock().gen_range(0..=buffer.read(cx).len());
6986 project.completions(&buffer, offset, cx)
6987 });
6988 let completions = cx.background().spawn(async move {
6989 completions
6990 .await
6991 .map_err(|err| anyhow!("completions request failed: {:?}", err))
6992 });
6993 if rng.lock().gen_bool(0.3) {
6994 log::info!("{}: detaching completions request", guest_username);
6995 cx.update(|cx| completions.detach_and_log_err(cx));
6996 } else {
6997 completions.await?;
6998 }
6999 }
7000 20..=29 => {
7001 let code_actions = project.update(cx, |project, cx| {
7002 log::info!(
7003 "{}: requesting code actions for buffer {} ({:?})",
7004 guest_username,
7005 buffer.read(cx).remote_id(),
7006 buffer.read(cx).file().unwrap().full_path(cx)
7007 );
7008 let range = buffer.read(cx).random_byte_range(0, &mut *rng.lock());
7009 project.code_actions(&buffer, range, cx)
7010 });
7011 let code_actions = cx.background().spawn(async move {
7012 code_actions.await.map_err(|err| {
7013 anyhow!("code actions request failed: {:?}", err)
7014 })
7015 });
7016 if rng.lock().gen_bool(0.3) {
7017 log::info!("{}: detaching code actions request", guest_username);
7018 cx.update(|cx| code_actions.detach_and_log_err(cx));
7019 } else {
7020 code_actions.await?;
7021 }
7022 }
7023 30..=39 if buffer.read_with(cx, |buffer, _| buffer.is_dirty()) => {
7024 let (requested_version, save) = buffer.update(cx, |buffer, cx| {
7025 log::info!(
7026 "{}: saving buffer {} ({:?})",
7027 guest_username,
7028 buffer.remote_id(),
7029 buffer.file().unwrap().full_path(cx)
7030 );
7031 (buffer.version(), buffer.save(cx))
7032 });
7033 let save = cx.background().spawn(async move {
7034 let (saved_version, _) = save
7035 .await
7036 .map_err(|err| anyhow!("save request failed: {:?}", err))?;
7037 assert!(saved_version.observed_all(&requested_version));
7038 Ok::<_, anyhow::Error>(())
7039 });
7040 if rng.lock().gen_bool(0.3) {
7041 log::info!("{}: detaching save request", guest_username);
7042 cx.update(|cx| save.detach_and_log_err(cx));
7043 } else {
7044 save.await?;
7045 }
7046 }
7047 40..=44 => {
7048 let prepare_rename = project.update(cx, |project, cx| {
7049 log::info!(
7050 "{}: preparing rename for buffer {} ({:?})",
7051 guest_username,
7052 buffer.read(cx).remote_id(),
7053 buffer.read(cx).file().unwrap().full_path(cx)
7054 );
7055 let offset = rng.lock().gen_range(0..=buffer.read(cx).len());
7056 project.prepare_rename(buffer, offset, cx)
7057 });
7058 let prepare_rename = cx.background().spawn(async move {
7059 prepare_rename.await.map_err(|err| {
7060 anyhow!("prepare rename request failed: {:?}", err)
7061 })
7062 });
7063 if rng.lock().gen_bool(0.3) {
7064 log::info!("{}: detaching prepare rename request", guest_username);
7065 cx.update(|cx| prepare_rename.detach_and_log_err(cx));
7066 } else {
7067 prepare_rename.await?;
7068 }
7069 }
7070 45..=49 => {
7071 let definitions = project.update(cx, |project, cx| {
7072 log::info!(
7073 "{}: requesting definitions for buffer {} ({:?})",
7074 guest_username,
7075 buffer.read(cx).remote_id(),
7076 buffer.read(cx).file().unwrap().full_path(cx)
7077 );
7078 let offset = rng.lock().gen_range(0..=buffer.read(cx).len());
7079 project.definition(&buffer, offset, cx)
7080 });
7081 let definitions = cx.background().spawn(async move {
7082 definitions
7083 .await
7084 .map_err(|err| anyhow!("definitions request failed: {:?}", err))
7085 });
7086 if rng.lock().gen_bool(0.3) {
7087 log::info!("{}: detaching definitions request", guest_username);
7088 cx.update(|cx| definitions.detach_and_log_err(cx));
7089 } else {
7090 client
7091 .buffers
7092 .extend(definitions.await?.into_iter().map(|loc| loc.buffer));
7093 }
7094 }
7095 50..=54 => {
7096 let highlights = project.update(cx, |project, cx| {
7097 log::info!(
7098 "{}: requesting highlights for buffer {} ({:?})",
7099 guest_username,
7100 buffer.read(cx).remote_id(),
7101 buffer.read(cx).file().unwrap().full_path(cx)
7102 );
7103 let offset = rng.lock().gen_range(0..=buffer.read(cx).len());
7104 project.document_highlights(&buffer, offset, cx)
7105 });
7106 let highlights = cx.background().spawn(async move {
7107 highlights
7108 .await
7109 .map_err(|err| anyhow!("highlights request failed: {:?}", err))
7110 });
7111 if rng.lock().gen_bool(0.3) {
7112 log::info!("{}: detaching highlights request", guest_username);
7113 cx.update(|cx| highlights.detach_and_log_err(cx));
7114 } else {
7115 highlights.await?;
7116 }
7117 }
7118 55..=59 => {
7119 let search = project.update(cx, |project, cx| {
7120 let query = rng.lock().gen_range('a'..='z');
7121 log::info!("{}: project-wide search {:?}", guest_username, query);
7122 project.search(SearchQuery::text(query, false, false), cx)
7123 });
7124 let search = cx.background().spawn(async move {
7125 search
7126 .await
7127 .map_err(|err| anyhow!("search request failed: {:?}", err))
7128 });
7129 if rng.lock().gen_bool(0.3) {
7130 log::info!("{}: detaching search request", guest_username);
7131 cx.update(|cx| search.detach_and_log_err(cx));
7132 } else {
7133 client.buffers.extend(search.await?.into_keys());
7134 }
7135 }
7136 60..=69 => {
7137 let worktree = project
7138 .read_with(cx, |project, cx| {
7139 project
7140 .worktrees(&cx)
7141 .filter(|worktree| {
7142 let worktree = worktree.read(cx);
7143 worktree.is_visible()
7144 && worktree.entries(false).any(|e| e.is_file())
7145 && worktree
7146 .root_entry()
7147 .map_or(false, |e| e.is_dir())
7148 })
7149 .choose(&mut *rng.lock())
7150 })
7151 .unwrap();
7152 let (worktree_id, worktree_root_name) = worktree
7153 .read_with(cx, |worktree, _| {
7154 (worktree.id(), worktree.root_name().to_string())
7155 });
7156
7157 let mut new_name = String::new();
7158 for _ in 0..10 {
7159 let letter = rng.lock().gen_range('a'..='z');
7160 new_name.push(letter);
7161 }
7162 let mut new_path = PathBuf::new();
7163 new_path.push(new_name);
7164 new_path.set_extension("rs");
7165 log::info!(
7166 "{}: creating {:?} in worktree {} ({})",
7167 guest_username,
7168 new_path,
7169 worktree_id,
7170 worktree_root_name,
7171 );
7172 project
7173 .update(cx, |project, cx| {
7174 project.create_entry((worktree_id, new_path), false, cx)
7175 })
7176 .unwrap()
7177 .await?;
7178 }
7179 _ => {
7180 buffer.update(cx, |buffer, cx| {
7181 log::info!(
7182 "{}: updating buffer {} ({:?})",
7183 guest_username,
7184 buffer.remote_id(),
7185 buffer.file().unwrap().full_path(cx)
7186 );
7187 if rng.lock().gen_bool(0.7) {
7188 buffer.randomly_edit(&mut *rng.lock(), 5, cx);
7189 } else {
7190 buffer.randomly_undo_redo(&mut *rng.lock(), cx);
7191 }
7192 });
7193 }
7194 }
7195 cx.background().simulate_random_delay().await;
7196 }
7197 Ok(())
7198 }
7199
7200 let result = simulate_guest_internal(
7201 &mut self,
7202 &guest_username,
7203 project.clone(),
7204 op_start_signal,
7205 rng,
7206 &mut cx,
7207 )
7208 .await;
7209 log::info!("{}: done", guest_username);
7210
7211 self.project = Some(project);
7212 (self, cx, result.err())
7213 }
7214 }
7215
7216 impl Drop for TestClient {
7217 fn drop(&mut self) {
7218 self.client.tear_down();
7219 }
7220 }
7221
7222 impl Executor for Arc<gpui::executor::Background> {
7223 type Sleep = gpui::executor::Timer;
7224
7225 fn spawn_detached<F: 'static + Send + Future<Output = ()>>(&self, future: F) {
7226 self.spawn(future).detach();
7227 }
7228
7229 fn sleep(&self, duration: Duration) -> Self::Sleep {
7230 self.as_ref().timer(duration)
7231 }
7232 }
7233
7234 fn channel_messages(channel: &Channel) -> Vec<(String, String, bool)> {
7235 channel
7236 .messages()
7237 .cursor::<()>()
7238 .map(|m| {
7239 (
7240 m.sender.github_login.clone(),
7241 m.body.clone(),
7242 m.is_pending(),
7243 )
7244 })
7245 .collect()
7246 }
7247
7248 struct EmptyView;
7249
7250 impl gpui::Entity for EmptyView {
7251 type Event = ();
7252 }
7253
7254 impl gpui::View for EmptyView {
7255 fn ui_name() -> &'static str {
7256 "empty view"
7257 }
7258
7259 fn render(&mut self, _: &mut gpui::RenderContext<Self>) -> gpui::ElementBox {
7260 gpui::Element::boxed(gpui::elements::Empty)
7261 }
7262 }
7263}