Test language server restart works as expected

Co-authored-by: Max Brunsfeld <max@zed.dev>
This commit is contained in:
Keith Simmons 2022-03-30 13:08:36 -07:00
parent ec57c1f4ac
commit 32d2e5952c
2 changed files with 68 additions and 12 deletions

View file

@ -681,17 +681,13 @@ impl FakeLanguageServer {
let output_task = cx.background().spawn(async move {
let mut stdout = smol::io::BufWriter::new(stdout);
while let Some(message) = outgoing_rx.next().await {
stdout
.write_all(CONTENT_LEN_HEADER.as_bytes())
.await
.unwrap();
stdout.write_all(CONTENT_LEN_HEADER.as_bytes()).await?;
stdout
.write_all((format!("{}", message.len())).as_bytes())
.await
.unwrap();
stdout.write_all("\r\n\r\n".as_bytes()).await.unwrap();
stdout.write_all(&message).await.unwrap();
stdout.flush().await.unwrap();
.await?;
stdout.write_all("\r\n\r\n".as_bytes()).await?;
stdout.write_all(&message).await?;
stdout.flush().await?;
}
Ok(())
});

View file

@ -4650,7 +4650,7 @@ impl Item for Buffer {
mod tests {
use super::{Event, *};
use fs::RealFs;
use futures::StreamExt;
use futures::{future, StreamExt};
use gpui::test::subscribe;
use language::{
tree_sitter_rust, Diagnostic, LanguageConfig, LanguageServerConfig, OffsetRangeExt, Point,
@ -4856,8 +4856,7 @@ mod tests {
.await
.unwrap();
// Another language server is started up, and it is notified about
// all three open buffers.
// A json language server is started up and is only notified about the json buffer.
let mut fake_json_server = fake_json_servers.next().await.unwrap();
assert_eq!(
fake_json_server
@ -4931,6 +4930,67 @@ mod tests {
)
);
// Restart language servers
project.update(cx, |project, cx| {
project.restart_language_servers_for_buffers(
vec![rust_buffer.clone(), json_buffer.clone()],
cx,
);
});
let mut rust_shutdown_requests = fake_rust_server
.handle_request::<lsp::request::Shutdown, _, _>(|_, _| future::ready(()));
let mut json_shutdown_requests = fake_json_server
.handle_request::<lsp::request::Shutdown, _, _>(|_, _| future::ready(()));
futures::join!(rust_shutdown_requests.next(), json_shutdown_requests.next());
let mut fake_rust_server = fake_rust_servers.next().await.unwrap();
let mut fake_json_server = fake_json_servers.next().await.unwrap();
// Ensure both rust documents are reopened in new rust language server without worrying about order
let mut opened_items = vec![
fake_rust_server
.receive_notification::<lsp::notification::DidOpenTextDocument>()
.await
.text_document,
fake_rust_server
.receive_notification::<lsp::notification::DidOpenTextDocument>()
.await
.text_document,
];
opened_items.sort_by_key(|item| item.uri.clone());
assert_eq!(
opened_items,
[
lsp::TextDocumentItem {
uri: lsp::Url::from_file_path("/the-root/test.rs").unwrap(),
version: 1,
text: rust_buffer.read_with(cx, |buffer, _| buffer.text()),
language_id: Default::default()
},
lsp::TextDocumentItem {
uri: lsp::Url::from_file_path("/the-root/test2.rs").unwrap(),
version: 1,
text: rust_buffer2.read_with(cx, |buffer, _| buffer.text()),
language_id: Default::default()
},
]
);
// Ensure json document is reopened in new json language server
assert_eq!(
fake_json_server
.receive_notification::<lsp::notification::DidOpenTextDocument>()
.await
.text_document,
lsp::TextDocumentItem {
uri: lsp::Url::from_file_path("/the-root/package.json").unwrap(),
version: 0,
text: json_buffer.read_with(cx, |buffer, _| buffer.text()),
language_id: Default::default()
}
);
// Close notifications are reported only to servers matching the buffer's language.
cx.update(|_| drop(json_buffer));
let close_message = lsp::DidCloseTextDocumentParams {