@@ -6302,3 +6302,2931 @@ impl Item for Buffer {
File::from_dyn(self.file()).and_then(|file| file.project_entry_id(cx))
}
}
+
+#[cfg(test)]
+mod tests {
+ use crate::worktree::WorktreeHandle;
+
+ use super::{Event, *};
+ use fs::RealFs;
+ use futures::{future, StreamExt};
+ use gpui::{executor::Deterministic, test::subscribe};
+ use language::{
+ tree_sitter_rust, tree_sitter_typescript, Diagnostic, FakeLspAdapter, LanguageConfig,
+ OffsetRangeExt, Point, ToPoint,
+ };
+ use lsp::Url;
+ use serde_json::json;
+ use std::{cell::RefCell, os::unix, path::PathBuf, rc::Rc, task::Poll};
+ use unindent::Unindent as _;
+ use util::{assert_set_eq, test::temp_tree};
+
+ #[gpui::test]
+ async fn test_populate_and_search(cx: &mut gpui::TestAppContext) {
+ let dir = temp_tree(json!({
+ "root": {
+ "apple": "",
+ "banana": {
+ "carrot": {
+ "date": "",
+ "endive": "",
+ }
+ },
+ "fennel": {
+ "grape": "",
+ }
+ }
+ }));
+
+ let root_link_path = dir.path().join("root_link");
+ unix::fs::symlink(&dir.path().join("root"), &root_link_path).unwrap();
+ unix::fs::symlink(
+ &dir.path().join("root/fennel"),
+ &dir.path().join("root/finnochio"),
+ )
+ .unwrap();
+
+ let project = Project::test(Arc::new(RealFs), [root_link_path.as_ref()], cx).await;
+
+ project.read_with(cx, |project, cx| {
+ let tree = project.worktrees(cx).next().unwrap().read(cx);
+ assert_eq!(tree.file_count(), 5);
+ assert_eq!(
+ tree.inode_for_path("fennel/grape"),
+ tree.inode_for_path("finnochio/grape")
+ );
+ });
+
+ let cancel_flag = Default::default();
+ let results = project
+ .read_with(cx, |project, cx| {
+ project.match_paths("bna", false, false, 10, &cancel_flag, cx)
+ })
+ .await;
+ assert_eq!(
+ results
+ .into_iter()
+ .map(|result| result.path)
+ .collect::<Vec<Arc<Path>>>(),
+ vec![
+ PathBuf::from("banana/carrot/date").into(),
+ PathBuf::from("banana/carrot/endive").into(),
+ ]
+ );
+ }
+
+ #[gpui::test]
+ async fn test_managing_language_servers(cx: &mut gpui::TestAppContext) {
+ cx.foreground().forbid_parking();
+
+ let mut rust_language = Language::new(
+ LanguageConfig {
+ name: "Rust".into(),
+ path_suffixes: vec!["rs".to_string()],
+ ..Default::default()
+ },
+ Some(tree_sitter_rust::language()),
+ );
+ let mut json_language = Language::new(
+ LanguageConfig {
+ name: "JSON".into(),
+ path_suffixes: vec!["json".to_string()],
+ ..Default::default()
+ },
+ None,
+ );
+ let mut fake_rust_servers = rust_language.set_fake_lsp_adapter(Arc::new(FakeLspAdapter {
+ name: "the-rust-language-server",
+ capabilities: lsp::ServerCapabilities {
+ completion_provider: Some(lsp::CompletionOptions {
+ trigger_characters: Some(vec![".".to_string(), "::".to_string()]),
+ ..Default::default()
+ }),
+ ..Default::default()
+ },
+ ..Default::default()
+ }));
+ let mut fake_json_servers = json_language.set_fake_lsp_adapter(Arc::new(FakeLspAdapter {
+ name: "the-json-language-server",
+ capabilities: lsp::ServerCapabilities {
+ completion_provider: Some(lsp::CompletionOptions {
+ trigger_characters: Some(vec![":".to_string()]),
+ ..Default::default()
+ }),
+ ..Default::default()
+ },
+ ..Default::default()
+ }));
+
+ let fs = FakeFs::new(cx.background());
+ fs.insert_tree(
+ "/the-root",
+ json!({
+ "test.rs": "const A: i32 = 1;",
+ "test2.rs": "",
+ "Cargo.toml": "a = 1",
+ "package.json": "{\"a\": 1}",
+ }),
+ )
+ .await;
+
+ let project = Project::test(fs.clone(), ["/the-root".as_ref()], cx).await;
+ project.update(cx, |project, _| {
+ project.languages.add(Arc::new(rust_language));
+ project.languages.add(Arc::new(json_language));
+ });
+
+ // Open a buffer without an associated language server.
+ let toml_buffer = project
+ .update(cx, |project, cx| {
+ project.open_local_buffer("/the-root/Cargo.toml", cx)
+ })
+ .await
+ .unwrap();
+
+ // Open a buffer with an associated language server.
+ let rust_buffer = project
+ .update(cx, |project, cx| {
+ project.open_local_buffer("/the-root/test.rs", cx)
+ })
+ .await
+ .unwrap();
+
+ // A server is started up, and it is notified about Rust files.
+ let mut fake_rust_server = fake_rust_servers.next().await.unwrap();
+ assert_eq!(
+ fake_rust_server
+ .receive_notification::<lsp::notification::DidOpenTextDocument>()
+ .await
+ .text_document,
+ lsp::TextDocumentItem {
+ uri: lsp::Url::from_file_path("/the-root/test.rs").unwrap(),
+ version: 0,
+ text: "const A: i32 = 1;".to_string(),
+ language_id: Default::default()
+ }
+ );
+
+ // The buffer is configured based on the language server's capabilities.
+ rust_buffer.read_with(cx, |buffer, _| {
+ assert_eq!(
+ buffer.completion_triggers(),
+ &[".".to_string(), "::".to_string()]
+ );
+ });
+ toml_buffer.read_with(cx, |buffer, _| {
+ assert!(buffer.completion_triggers().is_empty());
+ });
+
+ // Edit a buffer. The changes are reported to the language server.
+ rust_buffer.update(cx, |buffer, cx| buffer.edit([(16..16, "2")], cx));
+ assert_eq!(
+ fake_rust_server
+ .receive_notification::<lsp::notification::DidChangeTextDocument>()
+ .await
+ .text_document,
+ lsp::VersionedTextDocumentIdentifier::new(
+ lsp::Url::from_file_path("/the-root/test.rs").unwrap(),
+ 1
+ )
+ );
+
+ // Open a third buffer with a different associated language server.
+ let json_buffer = project
+ .update(cx, |project, cx| {
+ project.open_local_buffer("/the-root/package.json", cx)
+ })
+ .await
+ .unwrap();
+
+ // 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
+ .receive_notification::<lsp::notification::DidOpenTextDocument>()
+ .await
+ .text_document,
+ lsp::TextDocumentItem {
+ uri: lsp::Url::from_file_path("/the-root/package.json").unwrap(),
+ version: 0,
+ text: "{\"a\": 1}".to_string(),
+ language_id: Default::default()
+ }
+ );
+
+ // This buffer is configured based on the second language server's
+ // capabilities.
+ json_buffer.read_with(cx, |buffer, _| {
+ assert_eq!(buffer.completion_triggers(), &[":".to_string()]);
+ });
+
+ // When opening another buffer whose language server is already running,
+ // it is also configured based on the existing language server's capabilities.
+ let rust_buffer2 = project
+ .update(cx, |project, cx| {
+ project.open_local_buffer("/the-root/test2.rs", cx)
+ })
+ .await
+ .unwrap();
+ rust_buffer2.read_with(cx, |buffer, _| {
+ assert_eq!(
+ buffer.completion_triggers(),
+ &[".".to_string(), "::".to_string()]
+ );
+ });
+
+ // Changes are reported only to servers matching the buffer's language.
+ toml_buffer.update(cx, |buffer, cx| buffer.edit([(5..5, "23")], cx));
+ rust_buffer2.update(cx, |buffer, cx| buffer.edit([(0..0, "let x = 1;")], cx));
+ assert_eq!(
+ fake_rust_server
+ .receive_notification::<lsp::notification::DidChangeTextDocument>()
+ .await
+ .text_document,
+ lsp::VersionedTextDocumentIdentifier::new(
+ lsp::Url::from_file_path("/the-root/test2.rs").unwrap(),
+ 1
+ )
+ );
+
+ // Save notifications are reported to all servers.
+ toml_buffer
+ .update(cx, |buffer, cx| buffer.save(cx))
+ .await
+ .unwrap();
+ assert_eq!(
+ fake_rust_server
+ .receive_notification::<lsp::notification::DidSaveTextDocument>()
+ .await
+ .text_document,
+ lsp::TextDocumentIdentifier::new(
+ lsp::Url::from_file_path("/the-root/Cargo.toml").unwrap()
+ )
+ );
+ assert_eq!(
+ fake_json_server
+ .receive_notification::<lsp::notification::DidSaveTextDocument>()
+ .await
+ .text_document,
+ lsp::TextDocumentIdentifier::new(
+ lsp::Url::from_file_path("/the-root/Cargo.toml").unwrap()
+ )
+ );
+
+ // Renames are reported only to servers matching the buffer's language.
+ fs.rename(
+ Path::new("/the-root/test2.rs"),
+ Path::new("/the-root/test3.rs"),
+ Default::default(),
+ )
+ .await
+ .unwrap();
+ assert_eq!(
+ fake_rust_server
+ .receive_notification::<lsp::notification::DidCloseTextDocument>()
+ .await
+ .text_document,
+ lsp::TextDocumentIdentifier::new(
+ lsp::Url::from_file_path("/the-root/test2.rs").unwrap()
+ ),
+ );
+ assert_eq!(
+ fake_rust_server
+ .receive_notification::<lsp::notification::DidOpenTextDocument>()
+ .await
+ .text_document,
+ lsp::TextDocumentItem {
+ uri: lsp::Url::from_file_path("/the-root/test3.rs").unwrap(),
+ version: 0,
+ text: rust_buffer2.read_with(cx, |buffer, _| buffer.text()),
+ language_id: Default::default()
+ },
+ );
+
+ rust_buffer2.update(cx, |buffer, cx| {
+ buffer.update_diagnostics(
+ DiagnosticSet::from_sorted_entries(
+ vec![DiagnosticEntry {
+ diagnostic: Default::default(),
+ range: Anchor::MIN..Anchor::MAX,
+ }],
+ &buffer.snapshot(),
+ ),
+ cx,
+ );
+ assert_eq!(
+ buffer
+ .snapshot()
+ .diagnostics_in_range::<_, usize>(0..buffer.len(), false)
+ .count(),
+ 1
+ );
+ });
+
+ // When the rename changes the extension of the file, the buffer gets closed on the old
+ // language server and gets opened on the new one.
+ fs.rename(
+ Path::new("/the-root/test3.rs"),
+ Path::new("/the-root/test3.json"),
+ Default::default(),
+ )
+ .await
+ .unwrap();
+ assert_eq!(
+ fake_rust_server
+ .receive_notification::<lsp::notification::DidCloseTextDocument>()
+ .await
+ .text_document,
+ lsp::TextDocumentIdentifier::new(
+ lsp::Url::from_file_path("/the-root/test3.rs").unwrap(),
+ ),
+ );
+ assert_eq!(
+ fake_json_server
+ .receive_notification::<lsp::notification::DidOpenTextDocument>()
+ .await
+ .text_document,
+ lsp::TextDocumentItem {
+ uri: lsp::Url::from_file_path("/the-root/test3.json").unwrap(),
+ version: 0,
+ text: rust_buffer2.read_with(cx, |buffer, _| buffer.text()),
+ language_id: Default::default()
+ },
+ );
+
+ // We clear the diagnostics, since the language has changed.
+ rust_buffer2.read_with(cx, |buffer, _| {
+ assert_eq!(
+ buffer
+ .snapshot()
+ .diagnostics_in_range::<_, usize>(0..buffer.len(), false)
+ .count(),
+ 0
+ );
+ });
+
+ // The renamed file's version resets after changing language server.
+ rust_buffer2.update(cx, |buffer, cx| buffer.edit([(0..0, "// ")], cx));
+ assert_eq!(
+ fake_json_server
+ .receive_notification::<lsp::notification::DidChangeTextDocument>()
+ .await
+ .text_document,
+ lsp::VersionedTextDocumentIdentifier::new(
+ lsp::Url::from_file_path("/the-root/test3.json").unwrap(),
+ 1
+ )
+ );
+
+ // 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(Ok(())));
+ let mut json_shutdown_requests = fake_json_server
+ .handle_request::<lsp::request::Shutdown, _, _>(|_, _| future::ready(Ok(())));
+ 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 rust document is reopened in new rust language server
+ assert_eq!(
+ fake_rust_server
+ .receive_notification::<lsp::notification::DidOpenTextDocument>()
+ .await
+ .text_document,
+ 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()
+ }
+ );
+
+ // Ensure json documents are reopened in new json language server
+ assert_set_eq!(
+ [
+ fake_json_server
+ .receive_notification::<lsp::notification::DidOpenTextDocument>()
+ .await
+ .text_document,
+ 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()
+ },
+ lsp::TextDocumentItem {
+ uri: lsp::Url::from_file_path("/the-root/test3.json").unwrap(),
+ version: 1,
+ text: rust_buffer2.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 {
+ text_document: lsp::TextDocumentIdentifier::new(
+ lsp::Url::from_file_path("/the-root/package.json").unwrap(),
+ ),
+ };
+ assert_eq!(
+ fake_json_server
+ .receive_notification::<lsp::notification::DidCloseTextDocument>()
+ .await,
+ close_message,
+ );
+ }
+
+ #[gpui::test]
+ async fn test_single_file_worktrees_diagnostics(cx: &mut gpui::TestAppContext) {
+ cx.foreground().forbid_parking();
+
+ let fs = FakeFs::new(cx.background());
+ fs.insert_tree(
+ "/dir",
+ json!({
+ "a.rs": "let a = 1;",
+ "b.rs": "let b = 2;"
+ }),
+ )
+ .await;
+
+ let project = Project::test(fs, ["/dir/a.rs".as_ref(), "/dir/b.rs".as_ref()], cx).await;
+
+ let buffer_a = project
+ .update(cx, |project, cx| project.open_local_buffer("/dir/a.rs", cx))
+ .await
+ .unwrap();
+ let buffer_b = project
+ .update(cx, |project, cx| project.open_local_buffer("/dir/b.rs", cx))
+ .await
+ .unwrap();
+
+ project.update(cx, |project, cx| {
+ project
+ .update_diagnostics(
+ 0,
+ lsp::PublishDiagnosticsParams {
+ uri: Url::from_file_path("/dir/a.rs").unwrap(),
+ version: None,
+ diagnostics: vec![lsp::Diagnostic {
+ range: lsp::Range::new(
+ lsp::Position::new(0, 4),
+ lsp::Position::new(0, 5),
+ ),
+ severity: Some(lsp::DiagnosticSeverity::ERROR),
+ message: "error 1".to_string(),
+ ..Default::default()
+ }],
+ },
+ &[],
+ cx,
+ )
+ .unwrap();
+ project
+ .update_diagnostics(
+ 0,
+ lsp::PublishDiagnosticsParams {
+ uri: Url::from_file_path("/dir/b.rs").unwrap(),
+ version: None,
+ diagnostics: vec![lsp::Diagnostic {
+ range: lsp::Range::new(
+ lsp::Position::new(0, 4),
+ lsp::Position::new(0, 5),
+ ),
+ severity: Some(lsp::DiagnosticSeverity::WARNING),
+ message: "error 2".to_string(),
+ ..Default::default()
+ }],
+ },
+ &[],
+ cx,
+ )
+ .unwrap();
+ });
+
+ buffer_a.read_with(cx, |buffer, _| {
+ let chunks = chunks_with_diagnostics(&buffer, 0..buffer.len());
+ assert_eq!(
+ chunks
+ .iter()
+ .map(|(s, d)| (s.as_str(), *d))
+ .collect::<Vec<_>>(),
+ &[
+ ("let ", None),
+ ("a", Some(DiagnosticSeverity::ERROR)),
+ (" = 1;", None),
+ ]
+ );
+ });
+ buffer_b.read_with(cx, |buffer, _| {
+ let chunks = chunks_with_diagnostics(&buffer, 0..buffer.len());
+ assert_eq!(
+ chunks
+ .iter()
+ .map(|(s, d)| (s.as_str(), *d))
+ .collect::<Vec<_>>(),
+ &[
+ ("let ", None),
+ ("b", Some(DiagnosticSeverity::WARNING)),
+ (" = 2;", None),
+ ]
+ );
+ });
+ }
+
+ #[gpui::test]
+ async fn test_disk_based_diagnostics_progress(cx: &mut gpui::TestAppContext) {
+ cx.foreground().forbid_parking();
+
+ let progress_token = "the-progress-token";
+ let mut language = Language::new(
+ LanguageConfig {
+ name: "Rust".into(),
+ path_suffixes: vec!["rs".to_string()],
+ ..Default::default()
+ },
+ Some(tree_sitter_rust::language()),
+ );
+ let mut fake_servers = language.set_fake_lsp_adapter(Arc::new(FakeLspAdapter {
+ disk_based_diagnostics_progress_token: Some(progress_token.into()),
+ disk_based_diagnostics_sources: vec!["disk".into()],
+ ..Default::default()
+ }));
+
+ let fs = FakeFs::new(cx.background());
+ fs.insert_tree(
+ "/dir",
+ json!({
+ "a.rs": "fn a() { A }",
+ "b.rs": "const y: i32 = 1",
+ }),
+ )
+ .await;
+
+ let project = Project::test(fs, ["/dir".as_ref()], cx).await;
+ project.update(cx, |project, _| project.languages.add(Arc::new(language)));
+ let worktree_id =
+ project.read_with(cx, |p, cx| p.worktrees(cx).next().unwrap().read(cx).id());
+
+ // Cause worktree to start the fake language server
+ let _buffer = project
+ .update(cx, |project, cx| project.open_local_buffer("/dir/b.rs", cx))
+ .await
+ .unwrap();
+
+ let mut events = subscribe(&project, cx);
+
+ let fake_server = fake_servers.next().await.unwrap();
+ fake_server.start_progress(progress_token).await;
+ assert_eq!(
+ events.next().await.unwrap(),
+ Event::DiskBasedDiagnosticsStarted {
+ language_server_id: 0,
+ }
+ );
+
+ fake_server.notify::<lsp::notification::PublishDiagnostics>(
+ lsp::PublishDiagnosticsParams {
+ uri: Url::from_file_path("/dir/a.rs").unwrap(),
+ version: None,
+ diagnostics: vec![lsp::Diagnostic {
+ range: lsp::Range::new(lsp::Position::new(0, 9), lsp::Position::new(0, 10)),
+ severity: Some(lsp::DiagnosticSeverity::ERROR),
+ message: "undefined variable 'A'".to_string(),
+ ..Default::default()
+ }],
+ },
+ );
+ assert_eq!(
+ events.next().await.unwrap(),
+ Event::DiagnosticsUpdated {
+ language_server_id: 0,
+ path: (worktree_id, Path::new("a.rs")).into()
+ }
+ );
+
+ fake_server.end_progress(progress_token);
+ assert_eq!(
+ events.next().await.unwrap(),
+ Event::DiskBasedDiagnosticsFinished {
+ language_server_id: 0
+ }
+ );
+
+ let buffer = project
+ .update(cx, |p, cx| p.open_local_buffer("/dir/a.rs", cx))
+ .await
+ .unwrap();
+
+ buffer.read_with(cx, |buffer, _| {
+ let snapshot = buffer.snapshot();
+ let diagnostics = snapshot
+ .diagnostics_in_range::<_, Point>(0..buffer.len(), false)
+ .collect::<Vec<_>>();
+ assert_eq!(
+ diagnostics,
+ &[DiagnosticEntry {
+ range: Point::new(0, 9)..Point::new(0, 10),
+ diagnostic: Diagnostic {
+ severity: lsp::DiagnosticSeverity::ERROR,
+ message: "undefined variable 'A'".to_string(),
+ group_id: 0,
+ is_primary: true,
+ ..Default::default()
+ }
+ }]
+ )
+ });
+
+ // Ensure publishing empty diagnostics twice only results in one update event.
+ fake_server.notify::<lsp::notification::PublishDiagnostics>(
+ lsp::PublishDiagnosticsParams {
+ uri: Url::from_file_path("/dir/a.rs").unwrap(),
+ version: None,
+ diagnostics: Default::default(),
+ },
+ );
+ assert_eq!(
+ events.next().await.unwrap(),
+ Event::DiagnosticsUpdated {
+ language_server_id: 0,
+ path: (worktree_id, Path::new("a.rs")).into()
+ }
+ );
+
+ fake_server.notify::<lsp::notification::PublishDiagnostics>(
+ lsp::PublishDiagnosticsParams {
+ uri: Url::from_file_path("/dir/a.rs").unwrap(),
+ version: None,
+ diagnostics: Default::default(),
+ },
+ );
+ cx.foreground().run_until_parked();
+ assert_eq!(futures::poll!(events.next()), Poll::Pending);
+ }
+
+ #[gpui::test]
+ async fn test_restarting_server_with_diagnostics_running(cx: &mut gpui::TestAppContext) {
+ cx.foreground().forbid_parking();
+
+ let progress_token = "the-progress-token";
+ let mut language = Language::new(
+ LanguageConfig {
+ path_suffixes: vec!["rs".to_string()],
+ ..Default::default()
+ },
+ None,
+ );
+ let mut fake_servers = language.set_fake_lsp_adapter(Arc::new(FakeLspAdapter {
+ disk_based_diagnostics_sources: vec!["disk".into()],
+ disk_based_diagnostics_progress_token: Some(progress_token.into()),
+ ..Default::default()
+ }));
+
+ let fs = FakeFs::new(cx.background());
+ fs.insert_tree("/dir", json!({ "a.rs": "" })).await;
+
+ let project = Project::test(fs, ["/dir".as_ref()], cx).await;
+ project.update(cx, |project, _| project.languages.add(Arc::new(language)));
+
+ let buffer = project
+ .update(cx, |project, cx| project.open_local_buffer("/dir/a.rs", cx))
+ .await
+ .unwrap();
+
+ // Simulate diagnostics starting to update.
+ let fake_server = fake_servers.next().await.unwrap();
+ fake_server.start_progress(progress_token).await;
+
+ // Restart the server before the diagnostics finish updating.
+ project.update(cx, |project, cx| {
+ project.restart_language_servers_for_buffers([buffer], cx);
+ });
+ let mut events = subscribe(&project, cx);
+
+ // Simulate the newly started server sending more diagnostics.
+ let fake_server = fake_servers.next().await.unwrap();
+ fake_server.start_progress(progress_token).await;
+ assert_eq!(
+ events.next().await.unwrap(),
+ Event::DiskBasedDiagnosticsStarted {
+ language_server_id: 1
+ }
+ );
+ project.read_with(cx, |project, _| {
+ assert_eq!(
+ project
+ .language_servers_running_disk_based_diagnostics()
+ .collect::<Vec<_>>(),
+ [1]
+ );
+ });
+
+ // All diagnostics are considered done, despite the old server's diagnostic
+ // task never completing.
+ fake_server.end_progress(progress_token);
+ assert_eq!(
+ events.next().await.unwrap(),
+ Event::DiskBasedDiagnosticsFinished {
+ language_server_id: 1
+ }
+ );
+ project.read_with(cx, |project, _| {
+ assert_eq!(
+ project
+ .language_servers_running_disk_based_diagnostics()
+ .collect::<Vec<_>>(),
+ [0; 0]
+ );
+ });
+ }
+
+ #[gpui::test]
+ async fn test_toggling_enable_language_server(
+ deterministic: Arc<Deterministic>,
+ cx: &mut gpui::TestAppContext,
+ ) {
+ deterministic.forbid_parking();
+
+ let mut rust = Language::new(
+ LanguageConfig {
+ name: Arc::from("Rust"),
+ path_suffixes: vec!["rs".to_string()],
+ ..Default::default()
+ },
+ None,
+ );
+ let mut fake_rust_servers = rust.set_fake_lsp_adapter(Arc::new(FakeLspAdapter {
+ name: "rust-lsp",
+ ..Default::default()
+ }));
+ let mut js = Language::new(
+ LanguageConfig {
+ name: Arc::from("JavaScript"),
+ path_suffixes: vec!["js".to_string()],
+ ..Default::default()
+ },
+ None,
+ );
+ let mut fake_js_servers = js.set_fake_lsp_adapter(Arc::new(FakeLspAdapter {
+ name: "js-lsp",
+ ..Default::default()
+ }));
+
+ let fs = FakeFs::new(cx.background());
+ fs.insert_tree("/dir", json!({ "a.rs": "", "b.js": "" }))
+ .await;
+
+ let project = Project::test(fs, ["/dir".as_ref()], cx).await;
+ project.update(cx, |project, _| {
+ project.languages.add(Arc::new(rust));
+ project.languages.add(Arc::new(js));
+ });
+
+ let _rs_buffer = project
+ .update(cx, |project, cx| project.open_local_buffer("/dir/a.rs", cx))
+ .await
+ .unwrap();
+ let _js_buffer = project
+ .update(cx, |project, cx| project.open_local_buffer("/dir/b.js", cx))
+ .await
+ .unwrap();
+
+ let mut fake_rust_server_1 = fake_rust_servers.next().await.unwrap();
+ assert_eq!(
+ fake_rust_server_1
+ .receive_notification::<lsp::notification::DidOpenTextDocument>()
+ .await
+ .text_document
+ .uri
+ .as_str(),
+ "file:///dir/a.rs"
+ );
+
+ let mut fake_js_server = fake_js_servers.next().await.unwrap();
+ assert_eq!(
+ fake_js_server
+ .receive_notification::<lsp::notification::DidOpenTextDocument>()
+ .await
+ .text_document
+ .uri
+ .as_str(),
+ "file:///dir/b.js"
+ );
+
+ // Disable Rust language server, ensuring only that server gets stopped.
+ cx.update(|cx| {
+ cx.update_global(|settings: &mut Settings, _| {
+ settings.language_overrides.insert(
+ Arc::from("Rust"),
+ settings::LanguageSettings {
+ enable_language_server: Some(false),
+ ..Default::default()
+ },
+ );
+ })
+ });
+ fake_rust_server_1
+ .receive_notification::<lsp::notification::Exit>()
+ .await;
+
+ // Enable Rust and disable JavaScript language servers, ensuring that the
+ // former gets started again and that the latter stops.
+ cx.update(|cx| {
+ cx.update_global(|settings: &mut Settings, _| {
+ settings.language_overrides.insert(
+ Arc::from("Rust"),
+ settings::LanguageSettings {
+ enable_language_server: Some(true),
+ ..Default::default()
+ },
+ );
+ settings.language_overrides.insert(
+ Arc::from("JavaScript"),
+ settings::LanguageSettings {
+ enable_language_server: Some(false),
+ ..Default::default()
+ },
+ );
+ })
+ });
+ let mut fake_rust_server_2 = fake_rust_servers.next().await.unwrap();
+ assert_eq!(
+ fake_rust_server_2
+ .receive_notification::<lsp::notification::DidOpenTextDocument>()
+ .await
+ .text_document
+ .uri
+ .as_str(),
+ "file:///dir/a.rs"
+ );
+ fake_js_server
+ .receive_notification::<lsp::notification::Exit>()
+ .await;
+ }
+
+ #[gpui::test]
+ async fn test_transforming_diagnostics(cx: &mut gpui::TestAppContext) {
+ cx.foreground().forbid_parking();
+
+ let mut language = Language::new(
+ LanguageConfig {
+ name: "Rust".into(),
+ path_suffixes: vec!["rs".to_string()],
+ ..Default::default()
+ },
+ Some(tree_sitter_rust::language()),
+ );
+ let mut fake_servers = language.set_fake_lsp_adapter(Arc::new(FakeLspAdapter {
+ disk_based_diagnostics_sources: vec!["disk".into()],
+ ..Default::default()
+ }));
+
+ let text = "
+ fn a() { A }
+ fn b() { BB }
+ fn c() { CCC }
+ "
+ .unindent();
+
+ let fs = FakeFs::new(cx.background());
+ fs.insert_tree("/dir", json!({ "a.rs": text })).await;
+
+ let project = Project::test(fs, ["/dir".as_ref()], cx).await;
+ project.update(cx, |project, _| project.languages.add(Arc::new(language)));
+
+ let buffer = project
+ .update(cx, |project, cx| project.open_local_buffer("/dir/a.rs", cx))
+ .await
+ .unwrap();
+
+ let mut fake_server = fake_servers.next().await.unwrap();
+ let open_notification = fake_server
+ .receive_notification::<lsp::notification::DidOpenTextDocument>()
+ .await;
+
+ // Edit the buffer, moving the content down
+ buffer.update(cx, |buffer, cx| buffer.edit([(0..0, "\n\n")], cx));
+ let change_notification_1 = fake_server
+ .receive_notification::<lsp::notification::DidChangeTextDocument>()
+ .await;
+ assert!(
+ change_notification_1.text_document.version > open_notification.text_document.version
+ );
+
+ // Report some diagnostics for the initial version of the buffer
+ fake_server.notify::<lsp::notification::PublishDiagnostics>(
+ lsp::PublishDiagnosticsParams {
+ uri: lsp::Url::from_file_path("/dir/a.rs").unwrap(),
+ version: Some(open_notification.text_document.version),
+ diagnostics: vec![
+ lsp::Diagnostic {
+ range: lsp::Range::new(lsp::Position::new(0, 9), lsp::Position::new(0, 10)),
+ severity: Some(DiagnosticSeverity::ERROR),
+ message: "undefined variable 'A'".to_string(),
+ source: Some("disk".to_string()),
+ ..Default::default()
+ },
+ lsp::Diagnostic {
+ range: lsp::Range::new(lsp::Position::new(1, 9), lsp::Position::new(1, 11)),
+ severity: Some(DiagnosticSeverity::ERROR),
+ message: "undefined variable 'BB'".to_string(),
+ source: Some("disk".to_string()),
+ ..Default::default()
+ },
+ lsp::Diagnostic {
+ range: lsp::Range::new(lsp::Position::new(2, 9), lsp::Position::new(2, 12)),
+ severity: Some(DiagnosticSeverity::ERROR),
+ source: Some("disk".to_string()),
+ message: "undefined variable 'CCC'".to_string(),
+ ..Default::default()
+ },
+ ],
+ },
+ );
+
+ // The diagnostics have moved down since they were created.
+ buffer.next_notification(cx).await;
+ buffer.read_with(cx, |buffer, _| {
+ assert_eq!(
+ buffer
+ .snapshot()
+ .diagnostics_in_range::<_, Point>(Point::new(3, 0)..Point::new(5, 0), false)
+ .collect::<Vec<_>>(),
+ &[
+ DiagnosticEntry {
+ range: Point::new(3, 9)..Point::new(3, 11),
+ diagnostic: Diagnostic {
+ severity: DiagnosticSeverity::ERROR,
+ message: "undefined variable 'BB'".to_string(),
+ is_disk_based: true,
+ group_id: 1,
+ is_primary: true,
+ ..Default::default()
+ },
+ },
+ DiagnosticEntry {
+ range: Point::new(4, 9)..Point::new(4, 12),
+ diagnostic: Diagnostic {
+ severity: DiagnosticSeverity::ERROR,
+ message: "undefined variable 'CCC'".to_string(),
+ is_disk_based: true,
+ group_id: 2,
+ is_primary: true,
+ ..Default::default()
+ }
+ }
+ ]
+ );
+ assert_eq!(
+ chunks_with_diagnostics(buffer, 0..buffer.len()),
+ [
+ ("\n\nfn a() { ".to_string(), None),
+ ("A".to_string(), Some(DiagnosticSeverity::ERROR)),
+ (" }\nfn b() { ".to_string(), None),
+ ("BB".to_string(), Some(DiagnosticSeverity::ERROR)),
+ (" }\nfn c() { ".to_string(), None),
+ ("CCC".to_string(), Some(DiagnosticSeverity::ERROR)),
+ (" }\n".to_string(), None),
+ ]
+ );
+ assert_eq!(
+ chunks_with_diagnostics(buffer, Point::new(3, 10)..Point::new(4, 11)),
+ [
+ ("B".to_string(), Some(DiagnosticSeverity::ERROR)),
+ (" }\nfn c() { ".to_string(), None),
+ ("CC".to_string(), Some(DiagnosticSeverity::ERROR)),
+ ]
+ );
+ });
+
+ // Ensure overlapping diagnostics are highlighted correctly.
+ fake_server.notify::<lsp::notification::PublishDiagnostics>(
+ lsp::PublishDiagnosticsParams {
+ uri: lsp::Url::from_file_path("/dir/a.rs").unwrap(),
+ version: Some(open_notification.text_document.version),
+ diagnostics: vec![
+ lsp::Diagnostic {
+ range: lsp::Range::new(lsp::Position::new(0, 9), lsp::Position::new(0, 10)),
+ severity: Some(DiagnosticSeverity::ERROR),
+ message: "undefined variable 'A'".to_string(),
+ source: Some("disk".to_string()),
+ ..Default::default()
+ },
+ lsp::Diagnostic {
+ range: lsp::Range::new(lsp::Position::new(0, 9), lsp::Position::new(0, 12)),
+ severity: Some(DiagnosticSeverity::WARNING),
+ message: "unreachable statement".to_string(),
+ source: Some("disk".to_string()),
+ ..Default::default()
+ },
+ ],
+ },
+ );
+
+ buffer.next_notification(cx).await;
+ buffer.read_with(cx, |buffer, _| {
+ assert_eq!(
+ buffer
+ .snapshot()
+ .diagnostics_in_range::<_, Point>(Point::new(2, 0)..Point::new(3, 0), false)
+ .collect::<Vec<_>>(),
+ &[
+ DiagnosticEntry {
+ range: Point::new(2, 9)..Point::new(2, 12),
+ diagnostic: Diagnostic {
+ severity: DiagnosticSeverity::WARNING,
+ message: "unreachable statement".to_string(),
+ is_disk_based: true,
+ group_id: 4,
+ is_primary: true,
+ ..Default::default()
+ }
+ },
+ DiagnosticEntry {
+ range: Point::new(2, 9)..Point::new(2, 10),
+ diagnostic: Diagnostic {
+ severity: DiagnosticSeverity::ERROR,
+ message: "undefined variable 'A'".to_string(),
+ is_disk_based: true,
+ group_id: 3,
+ is_primary: true,
+ ..Default::default()
+ },
+ }
+ ]
+ );
+ assert_eq!(
+ chunks_with_diagnostics(buffer, Point::new(2, 0)..Point::new(3, 0)),
+ [
+ ("fn a() { ".to_string(), None),
+ ("A".to_string(), Some(DiagnosticSeverity::ERROR)),
+ (" }".to_string(), Some(DiagnosticSeverity::WARNING)),
+ ("\n".to_string(), None),
+ ]
+ );
+ assert_eq!(
+ chunks_with_diagnostics(buffer, Point::new(2, 10)..Point::new(3, 0)),
+ [
+ (" }".to_string(), Some(DiagnosticSeverity::WARNING)),
+ ("\n".to_string(), None),
+ ]
+ );
+ });
+
+ // Keep editing the buffer and ensure disk-based diagnostics get translated according to the
+ // changes since the last save.
+ buffer.update(cx, |buffer, cx| {
+ buffer.edit([(Point::new(2, 0)..Point::new(2, 0), " ")], cx);
+ buffer.edit([(Point::new(2, 8)..Point::new(2, 10), "(x: usize)")], cx);
+ buffer.edit([(Point::new(3, 10)..Point::new(3, 10), "xxx")], cx);
+ });
+ let change_notification_2 = fake_server
+ .receive_notification::<lsp::notification::DidChangeTextDocument>()
+ .await;
+ assert!(
+ change_notification_2.text_document.version
+ > change_notification_1.text_document.version
+ );
+
+ // Handle out-of-order diagnostics
+ fake_server.notify::<lsp::notification::PublishDiagnostics>(
+ lsp::PublishDiagnosticsParams {
+ uri: lsp::Url::from_file_path("/dir/a.rs").unwrap(),
+ version: Some(change_notification_2.text_document.version),
+ diagnostics: vec![
+ lsp::Diagnostic {
+ range: lsp::Range::new(lsp::Position::new(1, 9), lsp::Position::new(1, 11)),
+ severity: Some(DiagnosticSeverity::ERROR),
+ message: "undefined variable 'BB'".to_string(),
+ source: Some("disk".to_string()),
+ ..Default::default()
+ },
+ lsp::Diagnostic {
+ range: lsp::Range::new(lsp::Position::new(0, 9), lsp::Position::new(0, 10)),
+ severity: Some(DiagnosticSeverity::WARNING),
+ message: "undefined variable 'A'".to_string(),
+ source: Some("disk".to_string()),
+ ..Default::default()
+ },
+ ],
+ },
+ );
+
+ buffer.next_notification(cx).await;
+ buffer.read_with(cx, |buffer, _| {
+ assert_eq!(
+ buffer
+ .snapshot()
+ .diagnostics_in_range::<_, Point>(0..buffer.len(), false)
+ .collect::<Vec<_>>(),
+ &[
+ DiagnosticEntry {
+ range: Point::new(2, 21)..Point::new(2, 22),
+ diagnostic: Diagnostic {
+ severity: DiagnosticSeverity::WARNING,
+ message: "undefined variable 'A'".to_string(),
+ is_disk_based: true,
+ group_id: 6,
+ is_primary: true,
+ ..Default::default()
+ }
+ },
+ DiagnosticEntry {
+ range: Point::new(3, 9)..Point::new(3, 14),
+ diagnostic: Diagnostic {
+ severity: DiagnosticSeverity::ERROR,
+ message: "undefined variable 'BB'".to_string(),
+ is_disk_based: true,
+ group_id: 5,
+ is_primary: true,
+ ..Default::default()
+ },
+ }
+ ]
+ );
+ });
+ }
+
+ #[gpui::test]
+ async fn test_empty_diagnostic_ranges(cx: &mut gpui::TestAppContext) {
+ cx.foreground().forbid_parking();
+
+ let text = concat!(
+ "let one = ;\n", //
+ "let two = \n",
+ "let three = 3;\n",
+ );
+
+ let fs = FakeFs::new(cx.background());
+ fs.insert_tree("/dir", json!({ "a.rs": text })).await;
+
+ let project = Project::test(fs, ["/dir".as_ref()], cx).await;
+ let buffer = project
+ .update(cx, |project, cx| project.open_local_buffer("/dir/a.rs", cx))
+ .await
+ .unwrap();
+
+ project.update(cx, |project, cx| {
+ project
+ .update_buffer_diagnostics(
+ &buffer,
+ vec![
+ DiagnosticEntry {
+ range: PointUtf16::new(0, 10)..PointUtf16::new(0, 10),
+ diagnostic: Diagnostic {
+ severity: DiagnosticSeverity::ERROR,
+ message: "syntax error 1".to_string(),
+ ..Default::default()
+ },
+ },
+ DiagnosticEntry {
+ range: PointUtf16::new(1, 10)..PointUtf16::new(1, 10),
+ diagnostic: Diagnostic {
+ severity: DiagnosticSeverity::ERROR,
+ message: "syntax error 2".to_string(),
+ ..Default::default()
+ },
+ },
+ ],
+ None,
+ cx,
+ )
+ .unwrap();
+ });
+
+ // An empty range is extended forward to include the following character.
+ // At the end of a line, an empty range is extended backward to include
+ // the preceding character.
+ buffer.read_with(cx, |buffer, _| {
+ let chunks = chunks_with_diagnostics(&buffer, 0..buffer.len());
+ assert_eq!(
+ chunks
+ .iter()
+ .map(|(s, d)| (s.as_str(), *d))
+ .collect::<Vec<_>>(),
+ &[
+ ("let one = ", None),
+ (";", Some(DiagnosticSeverity::ERROR)),
+ ("\nlet two =", None),
+ (" ", Some(DiagnosticSeverity::ERROR)),
+ ("\nlet three = 3;\n", None)
+ ]
+ );
+ });
+ }
+
+ #[gpui::test]
+ async fn test_edits_from_lsp_with_past_version(cx: &mut gpui::TestAppContext) {
+ cx.foreground().forbid_parking();
+
+ let mut language = Language::new(
+ LanguageConfig {
+ name: "Rust".into(),
+ path_suffixes: vec!["rs".to_string()],
+ ..Default::default()
+ },
+ Some(tree_sitter_rust::language()),
+ );
+ let mut fake_servers = language.set_fake_lsp_adapter(Default::default());
+
+ let text = "
+ fn a() {
+ f1();
+ }
+ fn b() {
+ f2();
+ }
+ fn c() {
+ f3();
+ }
+ "
+ .unindent();
+
+ let fs = FakeFs::new(cx.background());
+ fs.insert_tree(
+ "/dir",
+ json!({
+ "a.rs": text.clone(),
+ }),
+ )
+ .await;
+
+ let project = Project::test(fs, ["/dir".as_ref()], cx).await;
+ project.update(cx, |project, _| project.languages.add(Arc::new(language)));
+ let buffer = project
+ .update(cx, |project, cx| project.open_local_buffer("/dir/a.rs", cx))
+ .await
+ .unwrap();
+
+ let mut fake_server = fake_servers.next().await.unwrap();
+ let lsp_document_version = fake_server
+ .receive_notification::<lsp::notification::DidOpenTextDocument>()
+ .await
+ .text_document
+ .version;
+
+ // Simulate editing the buffer after the language server computes some edits.
+ buffer.update(cx, |buffer, cx| {
+ buffer.edit(
+ [(
+ Point::new(0, 0)..Point::new(0, 0),
+ "// above first function\n",
+ )],
+ cx,
+ );
+ buffer.edit(
+ [(
+ Point::new(2, 0)..Point::new(2, 0),
+ " // inside first function\n",
+ )],
+ cx,
+ );
+ buffer.edit(
+ [(
+ Point::new(6, 4)..Point::new(6, 4),
+ "// inside second function ",
+ )],
+ cx,
+ );
+
+ assert_eq!(
+ buffer.text(),
+ "
+ // above first function
+ fn a() {
+ // inside first function
+ f1();
+ }
+ fn b() {
+ // inside second function f2();
+ }
+ fn c() {
+ f3();
+ }
+ "
+ .unindent()
+ );
+ });
+
+ let edits = project
+ .update(cx, |project, cx| {
+ project.edits_from_lsp(
+ &buffer,
+ vec![
+ // replace body of first function
+ lsp::TextEdit {
+ range: lsp::Range::new(
+ lsp::Position::new(0, 0),
+ lsp::Position::new(3, 0),
+ ),
+ new_text: "
+ fn a() {
+ f10();
+ }
+ "
+ .unindent(),
+ },
+ // edit inside second function
+ lsp::TextEdit {
+ range: lsp::Range::new(
+ lsp::Position::new(4, 6),
+ lsp::Position::new(4, 6),
+ ),
+ new_text: "00".into(),
+ },
+ // edit inside third function via two distinct edits
+ lsp::TextEdit {
+ range: lsp::Range::new(
+ lsp::Position::new(7, 5),
+ lsp::Position::new(7, 5),
+ ),
+ new_text: "4000".into(),
+ },
+ lsp::TextEdit {
+ range: lsp::Range::new(
+ lsp::Position::new(7, 5),
+ lsp::Position::new(7, 6),
+ ),
+ new_text: "".into(),
+ },
+ ],
+ Some(lsp_document_version),
+ cx,
+ )
+ })
+ .await
+ .unwrap();
+
+ buffer.update(cx, |buffer, cx| {
+ for (range, new_text) in edits {
+ buffer.edit([(range, new_text)], cx);
+ }
+ assert_eq!(
+ buffer.text(),
+ "
+ // above first function
+ fn a() {
+ // inside first function
+ f10();
+ }
+ fn b() {
+ // inside second function f200();
+ }
+ fn c() {
+ f4000();
+ }
+ "
+ .unindent()
+ );
+ });
+ }
+
+ #[gpui::test]
+ async fn test_edits_from_lsp_with_edits_on_adjacent_lines(cx: &mut gpui::TestAppContext) {
+ cx.foreground().forbid_parking();
+
+ let text = "
+ use a::b;
+ use a::c;
+
+ fn f() {
+ b();
+ c();
+ }
+ "
+ .unindent();
+
+ let fs = FakeFs::new(cx.background());
+ fs.insert_tree(
+ "/dir",
+ json!({
+ "a.rs": text.clone(),
+ }),
+ )
+ .await;
+
+ let project = Project::test(fs, ["/dir".as_ref()], cx).await;
+ let buffer = project
+ .update(cx, |project, cx| project.open_local_buffer("/dir/a.rs", cx))
+ .await
+ .unwrap();
+
+ // Simulate the language server sending us a small edit in the form of a very large diff.
+ // Rust-analyzer does this when performing a merge-imports code action.
+ let edits = project
+ .update(cx, |project, cx| {
+ project.edits_from_lsp(
+ &buffer,
+ [
+ // Replace the first use statement without editing the semicolon.
+ lsp::TextEdit {
+ range: lsp::Range::new(
+ lsp::Position::new(0, 4),
+ lsp::Position::new(0, 8),
+ ),
+ new_text: "a::{b, c}".into(),
+ },
+ // Reinsert the remainder of the file between the semicolon and the final
+ // newline of the file.
+ lsp::TextEdit {
+ range: lsp::Range::new(
+ lsp::Position::new(0, 9),
+ lsp::Position::new(0, 9),
+ ),
+ new_text: "\n\n".into(),
+ },
+ lsp::TextEdit {
+ range: lsp::Range::new(
+ lsp::Position::new(0, 9),
+ lsp::Position::new(0, 9),
+ ),
+ new_text: "
+ fn f() {
+ b();
+ c();
+ }"
+ .unindent(),
+ },
+ // Delete everything after the first newline of the file.
+ lsp::TextEdit {
+ range: lsp::Range::new(
+ lsp::Position::new(1, 0),
+ lsp::Position::new(7, 0),
+ ),
+ new_text: "".into(),
+ },
+ ],
+ None,
+ cx,
+ )
+ })
+ .await
+ .unwrap();
+
+ buffer.update(cx, |buffer, cx| {
+ let edits = edits
+ .into_iter()
+ .map(|(range, text)| {
+ (
+ range.start.to_point(&buffer)..range.end.to_point(&buffer),
+ text,
+ )
+ })
+ .collect::<Vec<_>>();
+
+ assert_eq!(
+ edits,
+ [
+ (Point::new(0, 4)..Point::new(0, 8), "a::{b, c}".into()),
+ (Point::new(1, 0)..Point::new(2, 0), "".into())
+ ]
+ );
+
+ for (range, new_text) in edits {
+ buffer.edit([(range, new_text)], cx);
+ }
+ assert_eq!(
+ buffer.text(),
+ "
+ use a::{b, c};
+
+ fn f() {
+ b();
+ c();
+ }
+ "
+ .unindent()
+ );
+ });
+ }
+
+ #[gpui::test]
+ async fn test_invalid_edits_from_lsp(cx: &mut gpui::TestAppContext) {
+ cx.foreground().forbid_parking();
+
+ let text = "
+ use a::b;
+ use a::c;
+
+ fn f() {
+ b();
+ c();
+ }
+ "
+ .unindent();
+
+ let fs = FakeFs::new(cx.background());
+ fs.insert_tree(
+ "/dir",
+ json!({
+ "a.rs": text.clone(),
+ }),
+ )
+ .await;
+
+ let project = Project::test(fs, ["/dir".as_ref()], cx).await;
+ let buffer = project
+ .update(cx, |project, cx| project.open_local_buffer("/dir/a.rs", cx))
+ .await
+ .unwrap();
+
+ // Simulate the language server sending us edits in a non-ordered fashion,
+ // with ranges sometimes being inverted.
+ let edits = project
+ .update(cx, |project, cx| {
+ project.edits_from_lsp(
+ &buffer,
+ [
+ lsp::TextEdit {
+ range: lsp::Range::new(
+ lsp::Position::new(0, 9),
+ lsp::Position::new(0, 9),
+ ),
+ new_text: "\n\n".into(),
+ },
+ lsp::TextEdit {
+ range: lsp::Range::new(
+ lsp::Position::new(0, 8),
+ lsp::Position::new(0, 4),
+ ),
+ new_text: "a::{b, c}".into(),
+ },
+ lsp::TextEdit {
+ range: lsp::Range::new(
+ lsp::Position::new(1, 0),
+ lsp::Position::new(7, 0),
+ ),
+ new_text: "".into(),
+ },
+ lsp::TextEdit {
+ range: lsp::Range::new(
+ lsp::Position::new(0, 9),
+ lsp::Position::new(0, 9),
+ ),
+ new_text: "
+ fn f() {
+ b();
+ c();
+ }"
+ .unindent(),
+ },
+ ],
+ None,
+ cx,
+ )
+ })
+ .await
+ .unwrap();
+
+ buffer.update(cx, |buffer, cx| {
+ let edits = edits
+ .into_iter()
+ .map(|(range, text)| {
+ (
+ range.start.to_point(&buffer)..range.end.to_point(&buffer),
+ text,
+ )
+ })
+ .collect::<Vec<_>>();
+
+ assert_eq!(
+ edits,
+ [
+ (Point::new(0, 4)..Point::new(0, 8), "a::{b, c}".into()),
+ (Point::new(1, 0)..Point::new(2, 0), "".into())
+ ]
+ );
+
+ for (range, new_text) in edits {
+ buffer.edit([(range, new_text)], cx);
+ }
+ assert_eq!(
+ buffer.text(),
+ "
+ use a::{b, c};
+
+ fn f() {
+ b();
+ c();
+ }
+ "
+ .unindent()
+ );
+ });
+ }
+
+ fn chunks_with_diagnostics<T: ToOffset + ToPoint>(
+ buffer: &Buffer,
+ range: Range<T>,
+ ) -> Vec<(String, Option<DiagnosticSeverity>)> {
+ let mut chunks: Vec<(String, Option<DiagnosticSeverity>)> = Vec::new();
+ for chunk in buffer.snapshot().chunks(range, true) {
+ if chunks.last().map_or(false, |prev_chunk| {
+ prev_chunk.1 == chunk.diagnostic_severity
+ }) {
+ chunks.last_mut().unwrap().0.push_str(chunk.text);
+ } else {
+ chunks.push((chunk.text.to_string(), chunk.diagnostic_severity));
+ }
+ }
+ chunks
+ }
+
+ #[gpui::test]
+ async fn test_search_worktree_without_files(cx: &mut gpui::TestAppContext) {
+ let dir = temp_tree(json!({
+ "root": {
+ "dir1": {},
+ "dir2": {
+ "dir3": {}
+ }
+ }
+ }));
+
+ let project = Project::test(Arc::new(RealFs), [dir.path()], cx).await;
+ let cancel_flag = Default::default();
+ let results = project
+ .read_with(cx, |project, cx| {
+ project.match_paths("dir", false, false, 10, &cancel_flag, cx)
+ })
+ .await;
+
+ assert!(results.is_empty());
+ }
+
+ #[gpui::test(iterations = 10)]
+ async fn test_definition(cx: &mut gpui::TestAppContext) {
+ let mut language = Language::new(
+ LanguageConfig {
+ name: "Rust".into(),
+ path_suffixes: vec!["rs".to_string()],
+ ..Default::default()
+ },
+ Some(tree_sitter_rust::language()),
+ );
+ let mut fake_servers = language.set_fake_lsp_adapter(Default::default());
+
+ let fs = FakeFs::new(cx.background());
+ fs.insert_tree(
+ "/dir",
+ json!({
+ "a.rs": "const fn a() { A }",
+ "b.rs": "const y: i32 = crate::a()",
+ }),
+ )
+ .await;
+
+ let project = Project::test(fs, ["/dir/b.rs".as_ref()], cx).await;
+ project.update(cx, |project, _| project.languages.add(Arc::new(language)));
+
+ let buffer = project
+ .update(cx, |project, cx| project.open_local_buffer("/dir/b.rs", cx))
+ .await
+ .unwrap();
+
+ let fake_server = fake_servers.next().await.unwrap();
+ fake_server.handle_request::<lsp::request::GotoDefinition, _, _>(|params, _| async move {
+ let params = params.text_document_position_params;
+ assert_eq!(
+ params.text_document.uri.to_file_path().unwrap(),
+ Path::new("/dir/b.rs"),
+ );
+ assert_eq!(params.position, lsp::Position::new(0, 22));
+
+ Ok(Some(lsp::GotoDefinitionResponse::Scalar(
+ lsp::Location::new(
+ lsp::Url::from_file_path("/dir/a.rs").unwrap(),
+ lsp::Range::new(lsp::Position::new(0, 9), lsp::Position::new(0, 10)),
+ ),
+ )))
+ });
+
+ let mut definitions = project
+ .update(cx, |project, cx| project.definition(&buffer, 22, cx))
+ .await
+ .unwrap();
+
+ assert_eq!(definitions.len(), 1);
+ let definition = definitions.pop().unwrap();
+ cx.update(|cx| {
+ let target_buffer = definition.target.buffer.read(cx);
+ assert_eq!(
+ target_buffer
+ .file()
+ .unwrap()
+ .as_local()
+ .unwrap()
+ .abs_path(cx),
+ Path::new("/dir/a.rs"),
+ );
+ assert_eq!(definition.target.range.to_offset(target_buffer), 9..10);
+ assert_eq!(
+ list_worktrees(&project, cx),
+ [("/dir/b.rs".as_ref(), true), ("/dir/a.rs".as_ref(), false)]
+ );
+
+ drop(definition);
+ });
+ cx.read(|cx| {
+ assert_eq!(list_worktrees(&project, cx), [("/dir/b.rs".as_ref(), true)]);
+ });
+
+ fn list_worktrees<'a>(
+ project: &'a ModelHandle<Project>,
+ cx: &'a AppContext,
+ ) -> Vec<(&'a Path, bool)> {
+ project
+ .read(cx)
+ .worktrees(cx)
+ .map(|worktree| {
+ let worktree = worktree.read(cx);
+ (
+ worktree.as_local().unwrap().abs_path().as_ref(),
+ worktree.is_visible(),
+ )
+ })
+ .collect::<Vec<_>>()
+ }
+ }
+
+ #[gpui::test]
+ async fn test_completions_without_edit_ranges(cx: &mut gpui::TestAppContext) {
+ let mut language = Language::new(
+ LanguageConfig {
+ name: "TypeScript".into(),
+ path_suffixes: vec!["ts".to_string()],
+ ..Default::default()
+ },
+ Some(tree_sitter_typescript::language_typescript()),
+ );
+ let mut fake_language_servers = language.set_fake_lsp_adapter(Default::default());
+
+ let fs = FakeFs::new(cx.background());
+ fs.insert_tree(
+ "/dir",
+ json!({
+ "a.ts": "",
+ }),
+ )
+ .await;
+
+ let project = Project::test(fs, ["/dir".as_ref()], cx).await;
+ project.update(cx, |project, _| project.languages.add(Arc::new(language)));
+ let buffer = project
+ .update(cx, |p, cx| p.open_local_buffer("/dir/a.ts", cx))
+ .await
+ .unwrap();
+
+ let fake_server = fake_language_servers.next().await.unwrap();
+
+ let text = "let a = b.fqn";
+ buffer.update(cx, |buffer, cx| buffer.set_text(text, cx));
+ let completions = project.update(cx, |project, cx| {
+ project.completions(&buffer, text.len(), cx)
+ });
+
+ fake_server
+ .handle_request::<lsp::request::Completion, _, _>(|_, _| async move {
+ Ok(Some(lsp::CompletionResponse::Array(vec![
+ lsp::CompletionItem {
+ label: "fullyQualifiedName?".into(),
+ insert_text: Some("fullyQualifiedName".into()),
+ ..Default::default()
+ },
+ ])))
+ })
+ .next()
+ .await;
+ let completions = completions.await.unwrap();
+ let snapshot = buffer.read_with(cx, |buffer, _| buffer.snapshot());
+ assert_eq!(completions.len(), 1);
+ assert_eq!(completions[0].new_text, "fullyQualifiedName");
+ assert_eq!(
+ completions[0].old_range.to_offset(&snapshot),
+ text.len() - 3..text.len()
+ );
+
+ let text = "let a = \"atoms/cmp\"";
+ buffer.update(cx, |buffer, cx| buffer.set_text(text, cx));
+ let completions = project.update(cx, |project, cx| {
+ project.completions(&buffer, text.len() - 1, cx)
+ });
+
+ fake_server
+ .handle_request::<lsp::request::Completion, _, _>(|_, _| async move {
+ Ok(Some(lsp::CompletionResponse::Array(vec![
+ lsp::CompletionItem {
+ label: "component".into(),
+ ..Default::default()
+ },
+ ])))
+ })
+ .next()
+ .await;
+ let completions = completions.await.unwrap();
+ let snapshot = buffer.read_with(cx, |buffer, _| buffer.snapshot());
+ assert_eq!(completions.len(), 1);
+ assert_eq!(completions[0].new_text, "component");
+ assert_eq!(
+ completions[0].old_range.to_offset(&snapshot),
+ text.len() - 4..text.len() - 1
+ );
+ }
+
+ #[gpui::test(iterations = 10)]
+ async fn test_apply_code_actions_with_commands(cx: &mut gpui::TestAppContext) {
+ let mut language = Language::new(
+ LanguageConfig {
+ name: "TypeScript".into(),
+ path_suffixes: vec!["ts".to_string()],
+ ..Default::default()
+ },
+ None,
+ );
+ let mut fake_language_servers = language.set_fake_lsp_adapter(Default::default());
+
+ let fs = FakeFs::new(cx.background());
+ fs.insert_tree(
+ "/dir",
+ json!({
+ "a.ts": "a",
+ }),
+ )
+ .await;
+
+ let project = Project::test(fs, ["/dir".as_ref()], cx).await;
+ project.update(cx, |project, _| project.languages.add(Arc::new(language)));
+ let buffer = project
+ .update(cx, |p, cx| p.open_local_buffer("/dir/a.ts", cx))
+ .await
+ .unwrap();
+
+ let fake_server = fake_language_servers.next().await.unwrap();
+
+ // Language server returns code actions that contain commands, and not edits.
+ let actions = project.update(cx, |project, cx| project.code_actions(&buffer, 0..0, cx));
+ fake_server
+ .handle_request::<lsp::request::CodeActionRequest, _, _>(|_, _| async move {
+ Ok(Some(vec![
+ lsp::CodeActionOrCommand::CodeAction(lsp::CodeAction {
+ title: "The code action".into(),
+ command: Some(lsp::Command {
+ title: "The command".into(),
+ command: "_the/command".into(),
+ arguments: Some(vec![json!("the-argument")]),
+ }),
+ ..Default::default()
+ }),
+ lsp::CodeActionOrCommand::CodeAction(lsp::CodeAction {
+ title: "two".into(),
+ ..Default::default()
+ }),
+ ]))
+ })
+ .next()
+ .await;
+
+ let action = actions.await.unwrap()[0].clone();
+ let apply = project.update(cx, |project, cx| {
+ project.apply_code_action(buffer.clone(), action, true, cx)
+ });
+
+ // Resolving the code action does not populate its edits. In absence of
+ // edits, we must execute the given command.
+ fake_server.handle_request::<lsp::request::CodeActionResolveRequest, _, _>(
+ |action, _| async move { Ok(action) },
+ );
+
+ // While executing the command, the language server sends the editor
+ // a `workspaceEdit` request.
+ fake_server
+ .handle_request::<lsp::request::ExecuteCommand, _, _>({
+ let fake = fake_server.clone();
+ move |params, _| {
+ assert_eq!(params.command, "_the/command");
+ let fake = fake.clone();
+ async move {
+ fake.server
+ .request::<lsp::request::ApplyWorkspaceEdit>(
+ lsp::ApplyWorkspaceEditParams {
+ label: None,
+ edit: lsp::WorkspaceEdit {
+ changes: Some(
+ [(
+ lsp::Url::from_file_path("/dir/a.ts").unwrap(),
+ vec![lsp::TextEdit {
+ range: lsp::Range::new(
+ lsp::Position::new(0, 0),
+ lsp::Position::new(0, 0),
+ ),
+ new_text: "X".into(),
+ }],
+ )]
+ .into_iter()
+ .collect(),
+ ),
+ ..Default::default()
+ },
+ },
+ )
+ .await
+ .unwrap();
+ Ok(Some(json!(null)))
+ }
+ }
+ })
+ .next()
+ .await;
+
+ // Applying the code action returns a project transaction containing the edits
+ // sent by the language server in its `workspaceEdit` request.
+ let transaction = apply.await.unwrap();
+ assert!(transaction.0.contains_key(&buffer));
+ buffer.update(cx, |buffer, cx| {
+ assert_eq!(buffer.text(), "Xa");
+ buffer.undo(cx);
+ assert_eq!(buffer.text(), "a");
+ });
+ }
+
+ #[gpui::test]
+ async fn test_save_file(cx: &mut gpui::TestAppContext) {
+ let fs = FakeFs::new(cx.background());
+ fs.insert_tree(
+ "/dir",
+ json!({
+ "file1": "the old contents",
+ }),
+ )
+ .await;
+
+ let project = Project::test(fs.clone(), ["/dir".as_ref()], cx).await;
+ let buffer = project
+ .update(cx, |p, cx| p.open_local_buffer("/dir/file1", cx))
+ .await
+ .unwrap();
+ buffer
+ .update(cx, |buffer, cx| {
+ assert_eq!(buffer.text(), "the old contents");
+ buffer.edit([(0..0, "a line of text.\n".repeat(10 * 1024))], cx);
+ buffer.save(cx)
+ })
+ .await
+ .unwrap();
+
+ let new_text = fs.load(Path::new("/dir/file1")).await.unwrap();
+ assert_eq!(new_text, buffer.read_with(cx, |buffer, _| buffer.text()));
+ }
+
+ #[gpui::test]
+ async fn test_save_in_single_file_worktree(cx: &mut gpui::TestAppContext) {
+ let fs = FakeFs::new(cx.background());
+ fs.insert_tree(
+ "/dir",
+ json!({
+ "file1": "the old contents",
+ }),
+ )
+ .await;
+
+ let project = Project::test(fs.clone(), ["/dir/file1".as_ref()], cx).await;
+ let buffer = project
+ .update(cx, |p, cx| p.open_local_buffer("/dir/file1", cx))
+ .await
+ .unwrap();
+ buffer
+ .update(cx, |buffer, cx| {
+ buffer.edit([(0..0, "a line of text.\n".repeat(10 * 1024))], cx);
+ buffer.save(cx)
+ })
+ .await
+ .unwrap();
+
+ let new_text = fs.load(Path::new("/dir/file1")).await.unwrap();
+ assert_eq!(new_text, buffer.read_with(cx, |buffer, _| buffer.text()));
+ }
+
+ #[gpui::test]
+ async fn test_save_as(cx: &mut gpui::TestAppContext) {
+ let fs = FakeFs::new(cx.background());
+ fs.insert_tree("/dir", json!({})).await;
+
+ let project = Project::test(fs.clone(), ["/dir".as_ref()], cx).await;
+ let buffer = project.update(cx, |project, cx| {
+ project.create_buffer("", None, cx).unwrap()
+ });
+ buffer.update(cx, |buffer, cx| {
+ buffer.edit([(0..0, "abc")], cx);
+ assert!(buffer.is_dirty());
+ assert!(!buffer.has_conflict());
+ });
+ project
+ .update(cx, |project, cx| {
+ project.save_buffer_as(buffer.clone(), "/dir/file1".into(), cx)
+ })
+ .await
+ .unwrap();
+ assert_eq!(fs.load(Path::new("/dir/file1")).await.unwrap(), "abc");
+ buffer.read_with(cx, |buffer, cx| {
+ assert_eq!(buffer.file().unwrap().full_path(cx), Path::new("dir/file1"));
+ assert!(!buffer.is_dirty());
+ assert!(!buffer.has_conflict());
+ });
+
+ let opened_buffer = project
+ .update(cx, |project, cx| {
+ project.open_local_buffer("/dir/file1", cx)
+ })
+ .await
+ .unwrap();
+ assert_eq!(opened_buffer, buffer);
+ }
+
+ #[gpui::test(retries = 5)]
+ async fn test_rescan_and_remote_updates(cx: &mut gpui::TestAppContext) {
+ let dir = temp_tree(json!({
+ "a": {
+ "file1": "",
+ "file2": "",
+ "file3": "",
+ },
+ "b": {
+ "c": {
+ "file4": "",
+ "file5": "",
+ }
+ }
+ }));
+
+ let project = Project::test(Arc::new(RealFs), [dir.path()], cx).await;
+ let rpc = project.read_with(cx, |p, _| p.client.clone());
+
+ let buffer_for_path = |path: &'static str, cx: &mut gpui::TestAppContext| {
+ let buffer = project.update(cx, |p, cx| p.open_local_buffer(dir.path().join(path), cx));
+ async move { buffer.await.unwrap() }
+ };
+ let id_for_path = |path: &'static str, cx: &gpui::TestAppContext| {
+ project.read_with(cx, |project, cx| {
+ let tree = project.worktrees(cx).next().unwrap();
+ tree.read(cx)
+ .entry_for_path(path)
+ .expect(&format!("no entry for path {}", path))
+ .id
+ })
+ };
+
+ let buffer2 = buffer_for_path("a/file2", cx).await;
+ let buffer3 = buffer_for_path("a/file3", cx).await;
+ let buffer4 = buffer_for_path("b/c/file4", cx).await;
+ let buffer5 = buffer_for_path("b/c/file5", cx).await;
+
+ let file2_id = id_for_path("a/file2", &cx);
+ let file3_id = id_for_path("a/file3", &cx);
+ let file4_id = id_for_path("b/c/file4", &cx);
+
+ // Create a remote copy of this worktree.
+ let tree = project.read_with(cx, |project, cx| project.worktrees(cx).next().unwrap());
+ let initial_snapshot = tree.read_with(cx, |tree, _| tree.as_local().unwrap().snapshot());
+ let (remote, load_task) = cx.update(|cx| {
+ Worktree::remote(
+ 1,
+ 1,
+ initial_snapshot.to_proto(&Default::default(), true),
+ rpc.clone(),
+ cx,
+ )
+ });
+ // tree
+ load_task.await;
+
+ cx.read(|cx| {
+ assert!(!buffer2.read(cx).is_dirty());
+ assert!(!buffer3.read(cx).is_dirty());
+ assert!(!buffer4.read(cx).is_dirty());
+ assert!(!buffer5.read(cx).is_dirty());
+ });
+
+ // Rename and delete files and directories.
+ tree.flush_fs_events(&cx).await;
+ std::fs::rename(dir.path().join("a/file3"), dir.path().join("b/c/file3")).unwrap();
+ std::fs::remove_file(dir.path().join("b/c/file5")).unwrap();
+ std::fs::rename(dir.path().join("b/c"), dir.path().join("d")).unwrap();
+ std::fs::rename(dir.path().join("a/file2"), dir.path().join("a/file2.new")).unwrap();
+ tree.flush_fs_events(&cx).await;
+
+ let expected_paths = vec![
+ "a",
+ "a/file1",
+ "a/file2.new",
+ "b",
+ "d",
+ "d/file3",
+ "d/file4",
+ ];
+
+ cx.read(|app| {
+ assert_eq!(
+ tree.read(app)
+ .paths()
+ .map(|p| p.to_str().unwrap())
+ .collect::<Vec<_>>(),
+ expected_paths
+ );
+
+ assert_eq!(id_for_path("a/file2.new", &cx), file2_id);
+ assert_eq!(id_for_path("d/file3", &cx), file3_id);
+ assert_eq!(id_for_path("d/file4", &cx), file4_id);
+
+ assert_eq!(
+ buffer2.read(app).file().unwrap().path().as_ref(),
+ Path::new("a/file2.new")
+ );
+ assert_eq!(
+ buffer3.read(app).file().unwrap().path().as_ref(),
+ Path::new("d/file3")
+ );
+ assert_eq!(
+ buffer4.read(app).file().unwrap().path().as_ref(),
+ Path::new("d/file4")
+ );
+ assert_eq!(
+ buffer5.read(app).file().unwrap().path().as_ref(),
+ Path::new("b/c/file5")
+ );
+
+ assert!(!buffer2.read(app).file().unwrap().is_deleted());
+ assert!(!buffer3.read(app).file().unwrap().is_deleted());
+ assert!(!buffer4.read(app).file().unwrap().is_deleted());
+ assert!(buffer5.read(app).file().unwrap().is_deleted());
+ });
+
+ // Update the remote worktree. Check that it becomes consistent with the
+ // local worktree.
+ remote.update(cx, |remote, cx| {
+ let update_message = tree.read(cx).as_local().unwrap().snapshot().build_update(
+ &initial_snapshot,
+ 1,
+ 1,
+ true,
+ );
+ remote
+ .as_remote_mut()
+ .unwrap()
+ .snapshot
+ .apply_remote_update(update_message)
+ .unwrap();
+
+ assert_eq!(
+ remote
+ .paths()
+ .map(|p| p.to_str().unwrap())
+ .collect::<Vec<_>>(),
+ expected_paths
+ );
+ });
+ }
+
+ #[gpui::test]
+ async fn test_buffer_deduping(cx: &mut gpui::TestAppContext) {
+ let fs = FakeFs::new(cx.background());
+ fs.insert_tree(
+ "/dir",
+ json!({
+ "a.txt": "a-contents",
+ "b.txt": "b-contents",
+ }),
+ )
+ .await;
+
+ let project = Project::test(fs.clone(), ["/dir".as_ref()], cx).await;
+
+ // Spawn multiple tasks to open paths, repeating some paths.
+ let (buffer_a_1, buffer_b, buffer_a_2) = project.update(cx, |p, cx| {
+ (
+ p.open_local_buffer("/dir/a.txt", cx),
+ p.open_local_buffer("/dir/b.txt", cx),
+ p.open_local_buffer("/dir/a.txt", cx),
+ )
+ });
+
+ let buffer_a_1 = buffer_a_1.await.unwrap();
+ let buffer_a_2 = buffer_a_2.await.unwrap();
+ let buffer_b = buffer_b.await.unwrap();
+ assert_eq!(buffer_a_1.read_with(cx, |b, _| b.text()), "a-contents");
+ assert_eq!(buffer_b.read_with(cx, |b, _| b.text()), "b-contents");
+
+ // There is only one buffer per path.
+ let buffer_a_id = buffer_a_1.id();
+ assert_eq!(buffer_a_2.id(), buffer_a_id);
+
+ // Open the same path again while it is still open.
+ drop(buffer_a_1);
+ let buffer_a_3 = project
+ .update(cx, |p, cx| p.open_local_buffer("/dir/a.txt", cx))
+ .await
+ .unwrap();
+
+ // There's still only one buffer per path.
+ assert_eq!(buffer_a_3.id(), buffer_a_id);
+ }
+
+ #[gpui::test]
+ async fn test_buffer_is_dirty(cx: &mut gpui::TestAppContext) {
+ let fs = FakeFs::new(cx.background());
+ fs.insert_tree(
+ "/dir",
+ json!({
+ "file1": "abc",
+ "file2": "def",
+ "file3": "ghi",
+ }),
+ )
+ .await;
+
+ let project = Project::test(fs.clone(), ["/dir".as_ref()], cx).await;
+
+ let buffer1 = project
+ .update(cx, |p, cx| p.open_local_buffer("/dir/file1", cx))
+ .await
+ .unwrap();
+ let events = Rc::new(RefCell::new(Vec::new()));
+
+ // initially, the buffer isn't dirty.
+ buffer1.update(cx, |buffer, cx| {
+ cx.subscribe(&buffer1, {
+ let events = events.clone();
+ move |_, _, event, _| match event {
+ BufferEvent::Operation(_) => {}
+ _ => events.borrow_mut().push(event.clone()),
+ }
+ })
+ .detach();
+
+ assert!(!buffer.is_dirty());
+ assert!(events.borrow().is_empty());
+
+ buffer.edit([(1..2, "")], cx);
+ });
+
+ // after the first edit, the buffer is dirty, and emits a dirtied event.
+ buffer1.update(cx, |buffer, cx| {
+ assert!(buffer.text() == "ac");
+ assert!(buffer.is_dirty());
+ assert_eq!(
+ *events.borrow(),
+ &[language::Event::Edited, language::Event::DirtyChanged]
+ );
+ events.borrow_mut().clear();
+ buffer.did_save(
+ buffer.version(),
+ buffer.as_rope().fingerprint(),
+ buffer.file().unwrap().mtime(),
+ None,
+ cx,
+ );
+ });
+
+ // after saving, the buffer is not dirty, and emits a saved event.
+ buffer1.update(cx, |buffer, cx| {
+ assert!(!buffer.is_dirty());
+ assert_eq!(*events.borrow(), &[language::Event::Saved]);
+ events.borrow_mut().clear();
+
+ buffer.edit([(1..1, "B")], cx);
+ buffer.edit([(2..2, "D")], cx);
+ });
+
+ // after editing again, the buffer is dirty, and emits another dirty event.
+ buffer1.update(cx, |buffer, cx| {
+ assert!(buffer.text() == "aBDc");
+ assert!(buffer.is_dirty());
+ assert_eq!(
+ *events.borrow(),
+ &[
+ language::Event::Edited,
+ language::Event::DirtyChanged,
+ language::Event::Edited,
+ ],
+ );
+ events.borrow_mut().clear();
+
+ // After restoring the buffer to its previously-saved state,
+ // the buffer is not considered dirty anymore.
+ buffer.edit([(1..3, "")], cx);
+ assert!(buffer.text() == "ac");
+ assert!(!buffer.is_dirty());
+ });
+
+ assert_eq!(
+ *events.borrow(),
+ &[language::Event::Edited, language::Event::DirtyChanged]
+ );
+
+ // When a file is deleted, the buffer is considered dirty.
+ let events = Rc::new(RefCell::new(Vec::new()));
+ let buffer2 = project
+ .update(cx, |p, cx| p.open_local_buffer("/dir/file2", cx))
+ .await
+ .unwrap();
+ buffer2.update(cx, |_, cx| {
+ cx.subscribe(&buffer2, {
+ let events = events.clone();
+ move |_, _, event, _| events.borrow_mut().push(event.clone())
+ })
+ .detach();
+ });
+
+ fs.remove_file("/dir/file2".as_ref(), Default::default())
+ .await
+ .unwrap();
+ buffer2.condition(&cx, |b, _| b.is_dirty()).await;
+ assert_eq!(
+ *events.borrow(),
+ &[
+ language::Event::DirtyChanged,
+ language::Event::FileHandleChanged
+ ]
+ );
+
+ // When a file is already dirty when deleted, we don't emit a Dirtied event.
+ let events = Rc::new(RefCell::new(Vec::new()));
+ let buffer3 = project
+ .update(cx, |p, cx| p.open_local_buffer("/dir/file3", cx))
+ .await
+ .unwrap();
+ buffer3.update(cx, |_, cx| {
+ cx.subscribe(&buffer3, {
+ let events = events.clone();
+ move |_, _, event, _| events.borrow_mut().push(event.clone())
+ })
+ .detach();
+ });
+
+ buffer3.update(cx, |buffer, cx| {
+ buffer.edit([(0..0, "x")], cx);
+ });
+ events.borrow_mut().clear();
+ fs.remove_file("/dir/file3".as_ref(), Default::default())
+ .await
+ .unwrap();
+ buffer3
+ .condition(&cx, |_, _| !events.borrow().is_empty())
+ .await;
+ assert_eq!(*events.borrow(), &[language::Event::FileHandleChanged]);
+ cx.read(|cx| assert!(buffer3.read(cx).is_dirty()));
+ }
+
+ #[gpui::test]
+ async fn test_buffer_file_changes_on_disk(cx: &mut gpui::TestAppContext) {
+ let initial_contents = "aaa\nbbbbb\nc\n";
+ let fs = FakeFs::new(cx.background());
+ fs.insert_tree(
+ "/dir",
+ json!({
+ "the-file": initial_contents,
+ }),
+ )
+ .await;
+ let project = Project::test(fs.clone(), ["/dir".as_ref()], cx).await;
+ let buffer = project
+ .update(cx, |p, cx| p.open_local_buffer("/dir/the-file", cx))
+ .await
+ .unwrap();
+
+ let anchors = (0..3)
+ .map(|row| buffer.read_with(cx, |b, _| b.anchor_before(Point::new(row, 1))))
+ .collect::<Vec<_>>();
+
+ // Change the file on disk, adding two new lines of text, and removing
+ // one line.
+ buffer.read_with(cx, |buffer, _| {
+ assert!(!buffer.is_dirty());
+ assert!(!buffer.has_conflict());
+ });
+ let new_contents = "AAAA\naaa\nBB\nbbbbb\n";
+ fs.save("/dir/the-file".as_ref(), &new_contents.into())
+ .await
+ .unwrap();
+
+ // Because the buffer was not modified, it is reloaded from disk. Its
+ // contents are edited according to the diff between the old and new
+ // file contents.
+ buffer
+ .condition(&cx, |buffer, _| buffer.text() == new_contents)
+ .await;
+
+ buffer.update(cx, |buffer, _| {
+ assert_eq!(buffer.text(), new_contents);
+ assert!(!buffer.is_dirty());
+ assert!(!buffer.has_conflict());
+
+ let anchor_positions = anchors
+ .iter()
+ .map(|anchor| anchor.to_point(&*buffer))
+ .collect::<Vec<_>>();
+ assert_eq!(
+ anchor_positions,
+ [Point::new(1, 1), Point::new(3, 1), Point::new(4, 0)]
+ );
+ });
+
+ // Modify the buffer
+ buffer.update(cx, |buffer, cx| {
+ buffer.edit([(0..0, " ")], cx);
+ assert!(buffer.is_dirty());
+ assert!(!buffer.has_conflict());
+ });
+
+ // Change the file on disk again, adding blank lines to the beginning.
+ fs.save(
+ "/dir/the-file".as_ref(),
+ &"\n\n\nAAAA\naaa\nBB\nbbbbb\n".into(),
+ )
+ .await
+ .unwrap();
+
+ // Because the buffer is modified, it doesn't reload from disk, but is
+ // marked as having a conflict.
+ buffer
+ .condition(&cx, |buffer, _| buffer.has_conflict())
+ .await;
+ }
+
+ #[gpui::test]
+ async fn test_grouped_diagnostics(cx: &mut gpui::TestAppContext) {
+ cx.foreground().forbid_parking();
+
+ let fs = FakeFs::new(cx.background());
+ fs.insert_tree(
+ "/the-dir",
+ json!({
+ "a.rs": "
+ fn foo(mut v: Vec<usize>) {
+ for x in &v {
+ v.push(1);
+ }
+ }
+ "
+ .unindent(),
+ }),
+ )
+ .await;
+
+ let project = Project::test(fs.clone(), ["/the-dir".as_ref()], cx).await;
+ let buffer = project
+ .update(cx, |p, cx| p.open_local_buffer("/the-dir/a.rs", cx))
+ .await
+ .unwrap();
+
+ let buffer_uri = Url::from_file_path("/the-dir/a.rs").unwrap();
+ let message = lsp::PublishDiagnosticsParams {
+ uri: buffer_uri.clone(),
+ diagnostics: vec![
+ lsp::Diagnostic {
+ range: lsp::Range::new(lsp::Position::new(1, 8), lsp::Position::new(1, 9)),
+ severity: Some(DiagnosticSeverity::WARNING),
+ message: "error 1".to_string(),
+ related_information: Some(vec![lsp::DiagnosticRelatedInformation {
+ location: lsp::Location {
+ uri: buffer_uri.clone(),
+ range: lsp::Range::new(
+ lsp::Position::new(1, 8),
+ lsp::Position::new(1, 9),
+ ),
+ },
+ message: "error 1 hint 1".to_string(),
+ }]),
+ ..Default::default()
+ },
+ lsp::Diagnostic {
+ range: lsp::Range::new(lsp::Position::new(1, 8), lsp::Position::new(1, 9)),
+ severity: Some(DiagnosticSeverity::HINT),
+ message: "error 1 hint 1".to_string(),
+ related_information: Some(vec![lsp::DiagnosticRelatedInformation {
+ location: lsp::Location {
+ uri: buffer_uri.clone(),
+ range: lsp::Range::new(
+ lsp::Position::new(1, 8),
+ lsp::Position::new(1, 9),
+ ),
+ },
+ message: "original diagnostic".to_string(),
+ }]),
+ ..Default::default()
+ },
+ lsp::Diagnostic {
+ range: lsp::Range::new(lsp::Position::new(2, 8), lsp::Position::new(2, 17)),
+ severity: Some(DiagnosticSeverity::ERROR),
+ message: "error 2".to_string(),
+ related_information: Some(vec![
+ lsp::DiagnosticRelatedInformation {
+ location: lsp::Location {
+ uri: buffer_uri.clone(),
+ range: lsp::Range::new(
+ lsp::Position::new(1, 13),
+ lsp::Position::new(1, 15),
+ ),
+ },
+ message: "error 2 hint 1".to_string(),
+ },
+ lsp::DiagnosticRelatedInformation {
+ location: lsp::Location {
+ uri: buffer_uri.clone(),
+ range: lsp::Range::new(
+ lsp::Position::new(1, 13),
+ lsp::Position::new(1, 15),
+ ),
+ },
+ message: "error 2 hint 2".to_string(),
+ },
+ ]),
+ ..Default::default()
+ },
+ lsp::Diagnostic {
+ range: lsp::Range::new(lsp::Position::new(1, 13), lsp::Position::new(1, 15)),
+ severity: Some(DiagnosticSeverity::HINT),
+ message: "error 2 hint 1".to_string(),
+ related_information: Some(vec![lsp::DiagnosticRelatedInformation {
+ location: lsp::Location {
+ uri: buffer_uri.clone(),
+ range: lsp::Range::new(
+ lsp::Position::new(2, 8),
+ lsp::Position::new(2, 17),
+ ),
+ },
+ message: "original diagnostic".to_string(),
+ }]),
+ ..Default::default()
+ },
+ lsp::Diagnostic {
+ range: lsp::Range::new(lsp::Position::new(1, 13), lsp::Position::new(1, 15)),
+ severity: Some(DiagnosticSeverity::HINT),
+ message: "error 2 hint 2".to_string(),
+ related_information: Some(vec![lsp::DiagnosticRelatedInformation {
+ location: lsp::Location {
+ uri: buffer_uri.clone(),
+ range: lsp::Range::new(
+ lsp::Position::new(2, 8),
+ lsp::Position::new(2, 17),
+ ),
+ },
+ message: "original diagnostic".to_string(),
+ }]),
+ ..Default::default()
+ },
+ ],
+ version: None,
+ };
+
+ project
+ .update(cx, |p, cx| p.update_diagnostics(0, message, &[], cx))
+ .unwrap();
+ let buffer = buffer.read_with(cx, |buffer, _| buffer.snapshot());
+
+ assert_eq!(
+ buffer
+ .diagnostics_in_range::<_, Point>(0..buffer.len(), false)
+ .collect::<Vec<_>>(),
+ &[
+ DiagnosticEntry {
+ range: Point::new(1, 8)..Point::new(1, 9),
+ diagnostic: Diagnostic {
+ severity: DiagnosticSeverity::WARNING,
+ message: "error 1".to_string(),
+ group_id: 0,
+ is_primary: true,
+ ..Default::default()
+ }
+ },
+ DiagnosticEntry {
+ range: Point::new(1, 8)..Point::new(1, 9),
+ diagnostic: Diagnostic {
+ severity: DiagnosticSeverity::HINT,
+ message: "error 1 hint 1".to_string(),
+ group_id: 0,
+ is_primary: false,
+ ..Default::default()
+ }
+ },
+ DiagnosticEntry {
+ range: Point::new(1, 13)..Point::new(1, 15),
+ diagnostic: Diagnostic {
+ severity: DiagnosticSeverity::HINT,
+ message: "error 2 hint 1".to_string(),
+ group_id: 1,
+ is_primary: false,
+ ..Default::default()
+ }
+ },
+ DiagnosticEntry {
+ range: Point::new(1, 13)..Point::new(1, 15),
+ diagnostic: Diagnostic {
+ severity: DiagnosticSeverity::HINT,
+ message: "error 2 hint 2".to_string(),
+ group_id: 1,
+ is_primary: false,
+ ..Default::default()
+ }
+ },
+ DiagnosticEntry {
+ range: Point::new(2, 8)..Point::new(2, 17),
+ diagnostic: Diagnostic {
+ severity: DiagnosticSeverity::ERROR,
+ message: "error 2".to_string(),
+ group_id: 1,
+ is_primary: true,
+ ..Default::default()
+ }
+ }
+ ]
+ );
+
+ assert_eq!(
+ buffer.diagnostic_group::<Point>(0).collect::<Vec<_>>(),
+ &[
+ DiagnosticEntry {
+ range: Point::new(1, 8)..Point::new(1, 9),
+ diagnostic: Diagnostic {
+ severity: DiagnosticSeverity::WARNING,
+ message: "error 1".to_string(),
+ group_id: 0,
+ is_primary: true,
+ ..Default::default()
+ }
+ },
+ DiagnosticEntry {
+ range: Point::new(1, 8)..Point::new(1, 9),
+ diagnostic: Diagnostic {
+ severity: DiagnosticSeverity::HINT,
+ message: "error 1 hint 1".to_string(),
+ group_id: 0,
+ is_primary: false,
+ ..Default::default()
+ }
+ },
+ ]
+ );
+ assert_eq!(
+ buffer.diagnostic_group::<Point>(1).collect::<Vec<_>>(),
+ &[
+ DiagnosticEntry {
+ range: Point::new(1, 13)..Point::new(1, 15),
+ diagnostic: Diagnostic {
+ severity: DiagnosticSeverity::HINT,
+ message: "error 2 hint 1".to_string(),
+ group_id: 1,
+ is_primary: false,
+ ..Default::default()
+ }
+ },
+ DiagnosticEntry {
+ range: Point::new(1, 13)..Point::new(1, 15),
+ diagnostic: Diagnostic {
+ severity: DiagnosticSeverity::HINT,
+ message: "error 2 hint 2".to_string(),
+ group_id: 1,
+ is_primary: false,
+ ..Default::default()
+ }
+ },
+ DiagnosticEntry {
+ range: Point::new(2, 8)..Point::new(2, 17),
+ diagnostic: Diagnostic {
+ severity: DiagnosticSeverity::ERROR,
+ message: "error 2".to_string(),
+ group_id: 1,
+ is_primary: true,
+ ..Default::default()
+ }
+ }
+ ]
+ );
+ }
+
+ #[gpui::test]
+ async fn test_rename(cx: &mut gpui::TestAppContext) {
+ cx.foreground().forbid_parking();
+
+ let mut language = Language::new(
+ LanguageConfig {
+ name: "Rust".into(),
+ path_suffixes: vec!["rs".to_string()],
+ ..Default::default()
+ },
+ Some(tree_sitter_rust::language()),
+ );
+ let mut fake_servers = language.set_fake_lsp_adapter(Arc::new(FakeLspAdapter {
+ capabilities: lsp::ServerCapabilities {
+ rename_provider: Some(lsp::OneOf::Right(lsp::RenameOptions {
+ prepare_provider: Some(true),
+ work_done_progress_options: Default::default(),
+ })),
+ ..Default::default()
+ },
+ ..Default::default()
+ }));
+
+ let fs = FakeFs::new(cx.background());
+ fs.insert_tree(
+ "/dir",
+ json!({
+ "one.rs": "const ONE: usize = 1;",
+ "two.rs": "const TWO: usize = one::ONE + one::ONE;"
+ }),
+ )
+ .await;
+
+ let project = Project::test(fs.clone(), ["/dir".as_ref()], cx).await;
+ project.update(cx, |project, _| project.languages.add(Arc::new(language)));
+ let buffer = project
+ .update(cx, |project, cx| {
+ project.open_local_buffer("/dir/one.rs", cx)
+ })
+ .await
+ .unwrap();
+
+ let fake_server = fake_servers.next().await.unwrap();
+
+ let response = project.update(cx, |project, cx| {
+ project.prepare_rename(buffer.clone(), 7, cx)
+ });
+ fake_server
+ .handle_request::<lsp::request::PrepareRenameRequest, _, _>(|params, _| async move {
+ assert_eq!(params.text_document.uri.as_str(), "file:///dir/one.rs");
+ assert_eq!(params.position, lsp::Position::new(0, 7));
+ Ok(Some(lsp::PrepareRenameResponse::Range(lsp::Range::new(
+ lsp::Position::new(0, 6),
+ lsp::Position::new(0, 9),
+ ))))
+ })
+ .next()
+ .await
+ .unwrap();
+ let range = response.await.unwrap().unwrap();
+ let range = buffer.read_with(cx, |buffer, _| range.to_offset(buffer));
+ assert_eq!(range, 6..9);
+
+ let response = project.update(cx, |project, cx| {
+ project.perform_rename(buffer.clone(), 7, "THREE".to_string(), true, cx)
+ });
+ fake_server
+ .handle_request::<lsp::request::Rename, _, _>(|params, _| async move {
+ assert_eq!(
+ params.text_document_position.text_document.uri.as_str(),
+ "file:///dir/one.rs"
+ );
+ assert_eq!(
+ params.text_document_position.position,
+ lsp::Position::new(0, 7)
+ );
+ assert_eq!(params.new_name, "THREE");
+ Ok(Some(lsp::WorkspaceEdit {
+ changes: Some(
+ [
+ (
+ lsp::Url::from_file_path("/dir/one.rs").unwrap(),
+ vec![lsp::TextEdit::new(
+ lsp::Range::new(
+ lsp::Position::new(0, 6),
+ lsp::Position::new(0, 9),
+ ),
+ "THREE".to_string(),
+ )],
+ ),
+ (
+ lsp::Url::from_file_path("/dir/two.rs").unwrap(),
+ vec![
+ lsp::TextEdit::new(
+ lsp::Range::new(
+ lsp::Position::new(0, 24),
+ lsp::Position::new(0, 27),
+ ),
+ "THREE".to_string(),
+ ),
+ lsp::TextEdit::new(
+ lsp::Range::new(
+ lsp::Position::new(0, 35),
+ lsp::Position::new(0, 38),
+ ),
+ "THREE".to_string(),
+ ),
+ ],
+ ),
+ ]
+ .into_iter()
+ .collect(),
+ ),
+ ..Default::default()
+ }))
+ })
+ .next()
+ .await
+ .unwrap();
+ let mut transaction = response.await.unwrap().0;
+ assert_eq!(transaction.len(), 2);
+ assert_eq!(
+ transaction
+ .remove_entry(&buffer)
+ .unwrap()
+ .0
+ .read_with(cx, |buffer, _| buffer.text()),
+ "const THREE: usize = 1;"
+ );
+ assert_eq!(
+ transaction
+ .into_keys()
+ .next()
+ .unwrap()
+ .read_with(cx, |buffer, _| buffer.text()),
+ "const TWO: usize = one::THREE + one::THREE;"
+ );
+ }
+
+ #[gpui::test]
+ async fn test_search(cx: &mut gpui::TestAppContext) {
+ let fs = FakeFs::new(cx.background());
+ fs.insert_tree(
+ "/dir",
+ json!({
+ "one.rs": "const ONE: usize = 1;",
+ "two.rs": "const TWO: usize = one::ONE + one::ONE;",
+ "three.rs": "const THREE: usize = one::ONE + two::TWO;",
+ "four.rs": "const FOUR: usize = one::ONE + three::THREE;",
+ }),
+ )
+ .await;
+ let project = Project::test(fs.clone(), ["/dir".as_ref()], cx).await;
+ assert_eq!(
+ search(&project, SearchQuery::text("TWO", false, true), cx)
+ .await
+ .unwrap(),
+ HashMap::from_iter([
+ ("two.rs".to_string(), vec![6..9]),
+ ("three.rs".to_string(), vec![37..40])
+ ])
+ );
+
+ let buffer_4 = project
+ .update(cx, |project, cx| {
+ project.open_local_buffer("/dir/four.rs", cx)
+ })
+ .await
+ .unwrap();
+ buffer_4.update(cx, |buffer, cx| {
+ let text = "two::TWO";
+ buffer.edit([(20..28, text), (31..43, text)], cx);
+ });
+
+ assert_eq!(
+ search(&project, SearchQuery::text("TWO", false, true), cx)
+ .await
+ .unwrap(),
+ HashMap::from_iter([
+ ("two.rs".to_string(), vec![6..9]),
+ ("three.rs".to_string(), vec![37..40]),
+ ("four.rs".to_string(), vec![25..28, 36..39])
+ ])
+ );
+
+ async fn search(
+ project: &ModelHandle<Project>,
+ query: SearchQuery,
+ cx: &mut gpui::TestAppContext,
+ ) -> Result<HashMap<String, Vec<Range<usize>>>> {
+ let results = project
+ .update(cx, |project, cx| project.search(query, cx))
+ .await?;
+
+ Ok(results
+ .into_iter()
+ .map(|(buffer, ranges)| {
+ buffer.read_with(cx, |buffer, _| {
+ let path = buffer.file().unwrap().path().to_string_lossy().to_string();
+ let ranges = ranges
+ .into_iter()
+ .map(|range| range.to_offset(buffer))
+ .collect::<Vec<_>>();
+ (path, ranges)
+ })
+ })
+ .collect())
+ }
+ }
+}