1use super::*;
2use crate::language_settings::{
3 AllLanguageSettings, AllLanguageSettingsContent, LanguageSettingsContent,
4};
5use crate::Buffer;
6use clock::ReplicaId;
7use collections::BTreeMap;
8use gpui::{AppContext, Model};
9use gpui::{Context, TestAppContext};
10use indoc::indoc;
11use proto::deserialize_operation;
12use rand::prelude::*;
13use regex::RegexBuilder;
14use settings::SettingsStore;
15use std::{
16 env,
17 ops::Range,
18 time::{Duration, Instant},
19};
20use text::network::Network;
21use text::LineEnding;
22use text::{Point, ToPoint};
23use unindent::Unindent as _;
24use util::{assert_set_eq, post_inc, test::marked_text_ranges, RandomCharIter};
25
26lazy_static! {
27 static ref TRAILING_WHITESPACE_REGEX: Regex = RegexBuilder::new("[ \t]+$")
28 .multi_line(true)
29 .build()
30 .unwrap();
31}
32
33#[cfg(test)]
34#[ctor::ctor]
35fn init_logger() {
36 if std::env::var("RUST_LOG").is_ok() {
37 env_logger::init();
38 }
39}
40
41#[gpui::test]
42fn test_line_endings(cx: &mut gpui::AppContext) {
43 init_settings(cx, |_| {});
44
45 cx.new_model(|cx| {
46 let mut buffer = Buffer::new(0, cx.entity_id().as_u64(), "one\r\ntwo\rthree")
47 .with_language(Arc::new(rust_lang()), cx);
48 assert_eq!(buffer.text(), "one\ntwo\nthree");
49 assert_eq!(buffer.line_ending(), LineEnding::Windows);
50
51 buffer.check_invariants();
52 buffer.edit(
53 [(buffer.len()..buffer.len(), "\r\nfour")],
54 Some(AutoindentMode::EachLine),
55 cx,
56 );
57 buffer.edit([(0..0, "zero\r\n")], None, cx);
58 assert_eq!(buffer.text(), "zero\none\ntwo\nthree\nfour");
59 assert_eq!(buffer.line_ending(), LineEnding::Windows);
60 buffer.check_invariants();
61
62 buffer
63 });
64}
65
66#[gpui::test]
67fn test_select_language() {
68 let registry = Arc::new(LanguageRegistry::test());
69 registry.add(Arc::new(Language::new(
70 LanguageConfig {
71 name: "Rust".into(),
72 path_suffixes: vec!["rs".to_string()],
73 ..Default::default()
74 },
75 Some(tree_sitter_rust::language()),
76 )));
77 registry.add(Arc::new(Language::new(
78 LanguageConfig {
79 name: "Make".into(),
80 path_suffixes: vec!["Makefile".to_string(), "mk".to_string()],
81 ..Default::default()
82 },
83 Some(tree_sitter_rust::language()),
84 )));
85
86 // matching file extension
87 assert_eq!(
88 registry
89 .language_for_file("zed/lib.rs", None)
90 .now_or_never()
91 .and_then(|l| Some(l.ok()?.name())),
92 Some("Rust".into())
93 );
94 assert_eq!(
95 registry
96 .language_for_file("zed/lib.mk", None)
97 .now_or_never()
98 .and_then(|l| Some(l.ok()?.name())),
99 Some("Make".into())
100 );
101
102 // matching filename
103 assert_eq!(
104 registry
105 .language_for_file("zed/Makefile", None)
106 .now_or_never()
107 .and_then(|l| Some(l.ok()?.name())),
108 Some("Make".into())
109 );
110
111 // matching suffix that is not the full file extension or filename
112 assert_eq!(
113 registry
114 .language_for_file("zed/cars", None)
115 .now_or_never()
116 .and_then(|l| Some(l.ok()?.name())),
117 None
118 );
119 assert_eq!(
120 registry
121 .language_for_file("zed/a.cars", None)
122 .now_or_never()
123 .and_then(|l| Some(l.ok()?.name())),
124 None
125 );
126 assert_eq!(
127 registry
128 .language_for_file("zed/sumk", None)
129 .now_or_never()
130 .and_then(|l| Some(l.ok()?.name())),
131 None
132 );
133}
134
135#[gpui::test]
136fn test_edit_events(cx: &mut gpui::AppContext) {
137 let mut now = Instant::now();
138 let buffer_1_events = Arc::new(Mutex::new(Vec::new()));
139 let buffer_2_events = Arc::new(Mutex::new(Vec::new()));
140
141 let buffer1 = cx.new_model(|cx| Buffer::new(0, cx.entity_id().as_u64(), "abcdef"));
142 let buffer2 = cx.new_model(|cx| Buffer::new(1, cx.entity_id().as_u64(), "abcdef"));
143 let buffer1_ops = Arc::new(Mutex::new(Vec::new()));
144 buffer1.update(cx, {
145 let buffer1_ops = buffer1_ops.clone();
146 |buffer, cx| {
147 let buffer_1_events = buffer_1_events.clone();
148 cx.subscribe(&buffer1, move |_, _, event, _| match event.clone() {
149 Event::Operation(op) => buffer1_ops.lock().push(op),
150 event => buffer_1_events.lock().push(event),
151 })
152 .detach();
153 let buffer_2_events = buffer_2_events.clone();
154 cx.subscribe(&buffer2, move |_, _, event, _| {
155 buffer_2_events.lock().push(event.clone())
156 })
157 .detach();
158
159 // An edit emits an edited event, followed by a dirty changed event,
160 // since the buffer was previously in a clean state.
161 buffer.edit([(2..4, "XYZ")], None, cx);
162
163 // An empty transaction does not emit any events.
164 buffer.start_transaction();
165 buffer.end_transaction(cx);
166
167 // A transaction containing two edits emits one edited event.
168 now += Duration::from_secs(1);
169 buffer.start_transaction_at(now);
170 buffer.edit([(5..5, "u")], None, cx);
171 buffer.edit([(6..6, "w")], None, cx);
172 buffer.end_transaction_at(now, cx);
173
174 // Undoing a transaction emits one edited event.
175 buffer.undo(cx);
176 }
177 });
178
179 // Incorporating a set of remote ops emits a single edited event,
180 // followed by a dirty changed event.
181 buffer2.update(cx, |buffer, cx| {
182 buffer.apply_ops(buffer1_ops.lock().drain(..), cx).unwrap();
183 });
184 assert_eq!(
185 mem::take(&mut *buffer_1_events.lock()),
186 vec![
187 Event::Edited,
188 Event::DirtyChanged,
189 Event::Edited,
190 Event::Edited,
191 ]
192 );
193 assert_eq!(
194 mem::take(&mut *buffer_2_events.lock()),
195 vec![Event::Edited, Event::DirtyChanged]
196 );
197
198 buffer1.update(cx, |buffer, cx| {
199 // Undoing the first transaction emits edited event, followed by a
200 // dirty changed event, since the buffer is again in a clean state.
201 buffer.undo(cx);
202 });
203 // Incorporating the remote ops again emits a single edited event,
204 // followed by a dirty changed event.
205 buffer2.update(cx, |buffer, cx| {
206 buffer.apply_ops(buffer1_ops.lock().drain(..), cx).unwrap();
207 });
208 assert_eq!(
209 mem::take(&mut *buffer_1_events.lock()),
210 vec![Event::Edited, Event::DirtyChanged,]
211 );
212 assert_eq!(
213 mem::take(&mut *buffer_2_events.lock()),
214 vec![Event::Edited, Event::DirtyChanged]
215 );
216}
217
218#[gpui::test]
219async fn test_apply_diff(cx: &mut TestAppContext) {
220 let text = "a\nbb\nccc\ndddd\neeeee\nffffff\n";
221 let buffer = cx.new_model(|cx| Buffer::new(0, cx.entity_id().as_u64(), text));
222 let anchor = buffer.update(cx, |buffer, _| buffer.anchor_before(Point::new(3, 3)));
223
224 let text = "a\nccc\ndddd\nffffff\n";
225 let diff = buffer.update(cx, |b, cx| b.diff(text.into(), cx)).await;
226 buffer.update(cx, |buffer, cx| {
227 buffer.apply_diff(diff, cx).unwrap();
228 assert_eq!(buffer.text(), text);
229 assert_eq!(anchor.to_point(buffer), Point::new(2, 3));
230 });
231
232 let text = "a\n1\n\nccc\ndd2dd\nffffff\n";
233 let diff = buffer.update(cx, |b, cx| b.diff(text.into(), cx)).await;
234 buffer.update(cx, |buffer, cx| {
235 buffer.apply_diff(diff, cx).unwrap();
236 assert_eq!(buffer.text(), text);
237 assert_eq!(anchor.to_point(buffer), Point::new(4, 4));
238 });
239}
240
241#[gpui::test(iterations = 10)]
242async fn test_normalize_whitespace(cx: &mut gpui::TestAppContext) {
243 let text = [
244 "zero", //
245 "one ", // 2 trailing spaces
246 "two", //
247 "three ", // 3 trailing spaces
248 "four", //
249 "five ", // 4 trailing spaces
250 ]
251 .join("\n");
252
253 let buffer = cx.new_model(|cx| Buffer::new(0, cx.entity_id().as_u64(), text));
254
255 // Spawn a task to format the buffer's whitespace.
256 // Pause so that the foratting task starts running.
257 let format = buffer.update(cx, |buffer, cx| buffer.remove_trailing_whitespace(cx));
258 smol::future::yield_now().await;
259
260 // Edit the buffer while the normalization task is running.
261 let version_before_edit = buffer.update(cx, |buffer, _| buffer.version());
262 buffer.update(cx, |buffer, cx| {
263 buffer.edit(
264 [
265 (Point::new(0, 1)..Point::new(0, 1), "EE"),
266 (Point::new(3, 5)..Point::new(3, 5), "EEE"),
267 ],
268 None,
269 cx,
270 );
271 });
272
273 let format_diff = format.await;
274 buffer.update(cx, |buffer, cx| {
275 let version_before_format = format_diff.base_version.clone();
276 buffer.apply_diff(format_diff, cx);
277
278 // The outcome depends on the order of concurrent taks.
279 //
280 // If the edit occurred while searching for trailing whitespace ranges,
281 // then the trailing whitespace region touched by the edit is left intact.
282 if version_before_format == version_before_edit {
283 assert_eq!(
284 buffer.text(),
285 [
286 "zEEero", //
287 "one", //
288 "two", //
289 "threeEEE ", //
290 "four", //
291 "five", //
292 ]
293 .join("\n")
294 );
295 }
296 // Otherwise, all trailing whitespace is removed.
297 else {
298 assert_eq!(
299 buffer.text(),
300 [
301 "zEEero", //
302 "one", //
303 "two", //
304 "threeEEE", //
305 "four", //
306 "five", //
307 ]
308 .join("\n")
309 );
310 }
311 });
312}
313
314#[gpui::test]
315async fn test_reparse(cx: &mut gpui::TestAppContext) {
316 let text = "fn a() {}";
317 let buffer = cx.new_model(|cx| {
318 Buffer::new(0, cx.entity_id().as_u64(), text).with_language(Arc::new(rust_lang()), cx)
319 });
320
321 // Wait for the initial text to parse
322 cx.executor().run_until_parked();
323 assert!(!buffer.update(cx, |buffer, _| buffer.is_parsing()));
324 assert_eq!(
325 get_tree_sexp(&buffer, cx),
326 concat!(
327 "(source_file (function_item name: (identifier) ",
328 "parameters: (parameters) ",
329 "body: (block)))"
330 )
331 );
332
333 buffer.update(cx, |buffer, _| {
334 buffer.set_sync_parse_timeout(Duration::ZERO)
335 });
336
337 // Perform some edits (add parameter and variable reference)
338 // Parsing doesn't begin until the transaction is complete
339 buffer.update(cx, |buf, cx| {
340 buf.start_transaction();
341
342 let offset = buf.text().find(')').unwrap();
343 buf.edit([(offset..offset, "b: C")], None, cx);
344 assert!(!buf.is_parsing());
345
346 let offset = buf.text().find('}').unwrap();
347 buf.edit([(offset..offset, " d; ")], None, cx);
348 assert!(!buf.is_parsing());
349
350 buf.end_transaction(cx);
351 assert_eq!(buf.text(), "fn a(b: C) { d; }");
352 assert!(buf.is_parsing());
353 });
354 cx.executor().run_until_parked();
355 assert!(!buffer.update(cx, |buffer, _| buffer.is_parsing()));
356 assert_eq!(
357 get_tree_sexp(&buffer, cx),
358 concat!(
359 "(source_file (function_item name: (identifier) ",
360 "parameters: (parameters (parameter pattern: (identifier) type: (type_identifier))) ",
361 "body: (block (expression_statement (identifier)))))"
362 )
363 );
364
365 // Perform a series of edits without waiting for the current parse to complete:
366 // * turn identifier into a field expression
367 // * turn field expression into a method call
368 // * add a turbofish to the method call
369 buffer.update(cx, |buf, cx| {
370 let offset = buf.text().find(';').unwrap();
371 buf.edit([(offset..offset, ".e")], None, cx);
372 assert_eq!(buf.text(), "fn a(b: C) { d.e; }");
373 assert!(buf.is_parsing());
374 });
375 buffer.update(cx, |buf, cx| {
376 let offset = buf.text().find(';').unwrap();
377 buf.edit([(offset..offset, "(f)")], None, cx);
378 assert_eq!(buf.text(), "fn a(b: C) { d.e(f); }");
379 assert!(buf.is_parsing());
380 });
381 buffer.update(cx, |buf, cx| {
382 let offset = buf.text().find("(f)").unwrap();
383 buf.edit([(offset..offset, "::<G>")], None, cx);
384 assert_eq!(buf.text(), "fn a(b: C) { d.e::<G>(f); }");
385 assert!(buf.is_parsing());
386 });
387 cx.executor().run_until_parked();
388 assert_eq!(
389 get_tree_sexp(&buffer, cx),
390 concat!(
391 "(source_file (function_item name: (identifier) ",
392 "parameters: (parameters (parameter pattern: (identifier) type: (type_identifier))) ",
393 "body: (block (expression_statement (call_expression ",
394 "function: (generic_function ",
395 "function: (field_expression value: (identifier) field: (field_identifier)) ",
396 "type_arguments: (type_arguments (type_identifier))) ",
397 "arguments: (arguments (identifier)))))))",
398 )
399 );
400
401 buffer.update(cx, |buf, cx| {
402 buf.undo(cx);
403 buf.undo(cx);
404 buf.undo(cx);
405 buf.undo(cx);
406 assert_eq!(buf.text(), "fn a() {}");
407 assert!(buf.is_parsing());
408 });
409
410 cx.executor().run_until_parked();
411 assert_eq!(
412 get_tree_sexp(&buffer, cx),
413 concat!(
414 "(source_file (function_item name: (identifier) ",
415 "parameters: (parameters) ",
416 "body: (block)))"
417 )
418 );
419
420 buffer.update(cx, |buf, cx| {
421 buf.redo(cx);
422 buf.redo(cx);
423 buf.redo(cx);
424 buf.redo(cx);
425 assert_eq!(buf.text(), "fn a(b: C) { d.e::<G>(f); }");
426 assert!(buf.is_parsing());
427 });
428 cx.executor().run_until_parked();
429 assert_eq!(
430 get_tree_sexp(&buffer, cx),
431 concat!(
432 "(source_file (function_item name: (identifier) ",
433 "parameters: (parameters (parameter pattern: (identifier) type: (type_identifier))) ",
434 "body: (block (expression_statement (call_expression ",
435 "function: (generic_function ",
436 "function: (field_expression value: (identifier) field: (field_identifier)) ",
437 "type_arguments: (type_arguments (type_identifier))) ",
438 "arguments: (arguments (identifier)))))))",
439 )
440 );
441}
442
443#[gpui::test]
444async fn test_resetting_language(cx: &mut gpui::TestAppContext) {
445 let buffer = cx.new_model(|cx| {
446 let mut buffer =
447 Buffer::new(0, cx.entity_id().as_u64(), "{}").with_language(Arc::new(rust_lang()), cx);
448 buffer.set_sync_parse_timeout(Duration::ZERO);
449 buffer
450 });
451
452 // Wait for the initial text to parse
453 cx.executor().run_until_parked();
454 assert_eq!(
455 get_tree_sexp(&buffer, cx),
456 "(source_file (expression_statement (block)))"
457 );
458
459 buffer.update(cx, |buffer, cx| {
460 buffer.set_language(Some(Arc::new(json_lang())), cx)
461 });
462 cx.executor().run_until_parked();
463 assert_eq!(get_tree_sexp(&buffer, cx), "(document (object))");
464}
465
466#[gpui::test]
467async fn test_outline(cx: &mut gpui::TestAppContext) {
468 let text = r#"
469 struct Person {
470 name: String,
471 age: usize,
472 }
473
474 mod module {
475 enum LoginState {
476 LoggedOut,
477 LoggingOn,
478 LoggedIn {
479 person: Person,
480 time: Instant,
481 }
482 }
483 }
484
485 impl Eq for Person {}
486
487 impl Drop for Person {
488 fn drop(&mut self) {
489 println!("bye");
490 }
491 }
492 "#
493 .unindent();
494
495 let buffer = cx.new_model(|cx| {
496 Buffer::new(0, cx.entity_id().as_u64(), text).with_language(Arc::new(rust_lang()), cx)
497 });
498 let outline = buffer
499 .update(cx, |buffer, _| buffer.snapshot().outline(None))
500 .unwrap();
501
502 assert_eq!(
503 outline
504 .items
505 .iter()
506 .map(|item| (item.text.as_str(), item.depth))
507 .collect::<Vec<_>>(),
508 &[
509 ("struct Person", 0),
510 ("name", 1),
511 ("age", 1),
512 ("mod module", 0),
513 ("enum LoginState", 1),
514 ("LoggedOut", 2),
515 ("LoggingOn", 2),
516 ("LoggedIn", 2),
517 ("person", 3),
518 ("time", 3),
519 ("impl Eq for Person", 0),
520 ("impl Drop for Person", 0),
521 ("fn drop", 1),
522 ]
523 );
524
525 // Without space, we only match on names
526 assert_eq!(
527 search(&outline, "oon", cx).await,
528 &[
529 ("mod module", vec![]), // included as the parent of a match
530 ("enum LoginState", vec![]), // included as the parent of a match
531 ("LoggingOn", vec![1, 7, 8]), // matches
532 ("impl Drop for Person", vec![7, 18, 19]), // matches in two disjoint names
533 ]
534 );
535
536 assert_eq!(
537 search(&outline, "dp p", cx).await,
538 &[
539 ("impl Drop for Person", vec![5, 8, 9, 14]),
540 ("fn drop", vec![]),
541 ]
542 );
543 assert_eq!(
544 search(&outline, "dpn", cx).await,
545 &[("impl Drop for Person", vec![5, 14, 19])]
546 );
547 assert_eq!(
548 search(&outline, "impl ", cx).await,
549 &[
550 ("impl Eq for Person", vec![0, 1, 2, 3, 4]),
551 ("impl Drop for Person", vec![0, 1, 2, 3, 4]),
552 ("fn drop", vec![]),
553 ]
554 );
555
556 async fn search<'a>(
557 outline: &'a Outline<Anchor>,
558 query: &'a str,
559 cx: &'a gpui::TestAppContext,
560 ) -> Vec<(&'a str, Vec<usize>)> {
561 let matches = cx
562 .update(|cx| outline.search(query, cx.background_executor().clone()))
563 .await;
564 matches
565 .into_iter()
566 .map(|mat| (outline.items[mat.candidate_id].text.as_str(), mat.positions))
567 .collect::<Vec<_>>()
568 }
569}
570
571#[gpui::test]
572async fn test_outline_nodes_with_newlines(cx: &mut gpui::TestAppContext) {
573 let text = r#"
574 impl A for B<
575 C
576 > {
577 };
578 "#
579 .unindent();
580
581 let buffer = cx.new_model(|cx| {
582 Buffer::new(0, cx.entity_id().as_u64(), text).with_language(Arc::new(rust_lang()), cx)
583 });
584 let outline = buffer
585 .update(cx, |buffer, _| buffer.snapshot().outline(None))
586 .unwrap();
587
588 assert_eq!(
589 outline
590 .items
591 .iter()
592 .map(|item| (item.text.as_str(), item.depth))
593 .collect::<Vec<_>>(),
594 &[("impl A for B<", 0)]
595 );
596}
597
598#[gpui::test]
599async fn test_outline_with_extra_context(cx: &mut gpui::TestAppContext) {
600 let language = javascript_lang()
601 .with_outline_query(
602 r#"
603 (function_declaration
604 "function" @context
605 name: (_) @name
606 parameters: (formal_parameters
607 "(" @context.extra
608 ")" @context.extra)) @item
609 "#,
610 )
611 .unwrap();
612
613 let text = r#"
614 function a() {}
615 function b(c) {}
616 "#
617 .unindent();
618
619 let buffer = cx.new_model(|cx| {
620 Buffer::new(0, cx.entity_id().as_u64(), text).with_language(Arc::new(language), cx)
621 });
622 let snapshot = buffer.update(cx, |buffer, _| buffer.snapshot());
623
624 // extra context nodes are included in the outline.
625 let outline = snapshot.outline(None).unwrap();
626 assert_eq!(
627 outline
628 .items
629 .iter()
630 .map(|item| (item.text.as_str(), item.depth))
631 .collect::<Vec<_>>(),
632 &[("function a()", 0), ("function b( )", 0),]
633 );
634
635 // extra context nodes do not appear in breadcrumbs.
636 let symbols = snapshot.symbols_containing(3, None).unwrap();
637 assert_eq!(
638 symbols
639 .iter()
640 .map(|item| (item.text.as_str(), item.depth))
641 .collect::<Vec<_>>(),
642 &[("function a", 0)]
643 );
644}
645
646#[gpui::test]
647async fn test_symbols_containing(cx: &mut gpui::TestAppContext) {
648 let text = r#"
649 impl Person {
650 fn one() {
651 1
652 }
653
654 fn two() {
655 2
656 }fn three() {
657 3
658 }
659 }
660 "#
661 .unindent();
662
663 let buffer = cx.new_model(|cx| {
664 Buffer::new(0, cx.entity_id().as_u64(), text).with_language(Arc::new(rust_lang()), cx)
665 });
666 let snapshot = buffer.update(cx, |buffer, _| buffer.snapshot());
667
668 // point is at the start of an item
669 assert_eq!(
670 symbols_containing(Point::new(1, 4), &snapshot),
671 vec![
672 (
673 "impl Person".to_string(),
674 Point::new(0, 0)..Point::new(10, 1)
675 ),
676 ("fn one".to_string(), Point::new(1, 4)..Point::new(3, 5))
677 ]
678 );
679
680 // point is in the middle of an item
681 assert_eq!(
682 symbols_containing(Point::new(2, 8), &snapshot),
683 vec![
684 (
685 "impl Person".to_string(),
686 Point::new(0, 0)..Point::new(10, 1)
687 ),
688 ("fn one".to_string(), Point::new(1, 4)..Point::new(3, 5))
689 ]
690 );
691
692 // point is at the end of an item
693 assert_eq!(
694 symbols_containing(Point::new(3, 5), &snapshot),
695 vec![
696 (
697 "impl Person".to_string(),
698 Point::new(0, 0)..Point::new(10, 1)
699 ),
700 ("fn one".to_string(), Point::new(1, 4)..Point::new(3, 5))
701 ]
702 );
703
704 // point is in between two adjacent items
705 assert_eq!(
706 symbols_containing(Point::new(7, 5), &snapshot),
707 vec![
708 (
709 "impl Person".to_string(),
710 Point::new(0, 0)..Point::new(10, 1)
711 ),
712 ("fn two".to_string(), Point::new(5, 4)..Point::new(7, 5))
713 ]
714 );
715
716 fn symbols_containing(
717 position: Point,
718 snapshot: &BufferSnapshot,
719 ) -> Vec<(String, Range<Point>)> {
720 snapshot
721 .symbols_containing(position, None)
722 .unwrap()
723 .into_iter()
724 .map(|item| {
725 (
726 item.text,
727 item.range.start.to_point(snapshot)..item.range.end.to_point(snapshot),
728 )
729 })
730 .collect()
731 }
732}
733
734#[gpui::test]
735fn test_enclosing_bracket_ranges(cx: &mut AppContext) {
736 let mut assert = |selection_text, range_markers| {
737 assert_bracket_pairs(selection_text, range_markers, rust_lang(), cx)
738 };
739
740 assert(
741 indoc! {"
742 mod x {
743 moˇd y {
744
745 }
746 }
747 let foo = 1;"},
748 vec![indoc! {"
749 mod x «{»
750 mod y {
751
752 }
753 «}»
754 let foo = 1;"}],
755 );
756
757 assert(
758 indoc! {"
759 mod x {
760 mod y ˇ{
761
762 }
763 }
764 let foo = 1;"},
765 vec![
766 indoc! {"
767 mod x «{»
768 mod y {
769
770 }
771 «}»
772 let foo = 1;"},
773 indoc! {"
774 mod x {
775 mod y «{»
776
777 «}»
778 }
779 let foo = 1;"},
780 ],
781 );
782
783 assert(
784 indoc! {"
785 mod x {
786 mod y {
787
788 }ˇ
789 }
790 let foo = 1;"},
791 vec![
792 indoc! {"
793 mod x «{»
794 mod y {
795
796 }
797 «}»
798 let foo = 1;"},
799 indoc! {"
800 mod x {
801 mod y «{»
802
803 «}»
804 }
805 let foo = 1;"},
806 ],
807 );
808
809 assert(
810 indoc! {"
811 mod x {
812 mod y {
813
814 }
815 ˇ}
816 let foo = 1;"},
817 vec![indoc! {"
818 mod x «{»
819 mod y {
820
821 }
822 «}»
823 let foo = 1;"}],
824 );
825
826 assert(
827 indoc! {"
828 mod x {
829 mod y {
830
831 }
832 }
833 let fˇoo = 1;"},
834 vec![],
835 );
836
837 // Regression test: avoid crash when querying at the end of the buffer.
838 assert(
839 indoc! {"
840 mod x {
841 mod y {
842
843 }
844 }
845 let foo = 1;ˇ"},
846 vec![],
847 );
848}
849
850#[gpui::test]
851fn test_enclosing_bracket_ranges_where_brackets_are_not_outermost_children(cx: &mut AppContext) {
852 let mut assert = |selection_text, bracket_pair_texts| {
853 assert_bracket_pairs(selection_text, bracket_pair_texts, javascript_lang(), cx)
854 };
855
856 assert(
857 indoc! {"
858 for (const a in b)ˇ {
859 // a comment that's longer than the for-loop header
860 }"},
861 vec![indoc! {"
862 for «(»const a in b«)» {
863 // a comment that's longer than the for-loop header
864 }"}],
865 );
866
867 // Regression test: even though the parent node of the parentheses (the for loop) does
868 // intersect the given range, the parentheses themselves do not contain the range, so
869 // they should not be returned. Only the curly braces contain the range.
870 assert(
871 indoc! {"
872 for (const a in b) {ˇ
873 // a comment that's longer than the for-loop header
874 }"},
875 vec![indoc! {"
876 for (const a in b) «{»
877 // a comment that's longer than the for-loop header
878 «}»"}],
879 );
880}
881
882#[gpui::test]
883fn test_range_for_syntax_ancestor(cx: &mut AppContext) {
884 cx.new_model(|cx| {
885 let text = "fn a() { b(|c| {}) }";
886 let buffer =
887 Buffer::new(0, cx.entity_id().as_u64(), text).with_language(Arc::new(rust_lang()), cx);
888 let snapshot = buffer.snapshot();
889
890 assert_eq!(
891 snapshot.range_for_syntax_ancestor(empty_range_at(text, "|")),
892 Some(range_of(text, "|"))
893 );
894 assert_eq!(
895 snapshot.range_for_syntax_ancestor(range_of(text, "|")),
896 Some(range_of(text, "|c|"))
897 );
898 assert_eq!(
899 snapshot.range_for_syntax_ancestor(range_of(text, "|c|")),
900 Some(range_of(text, "|c| {}"))
901 );
902 assert_eq!(
903 snapshot.range_for_syntax_ancestor(range_of(text, "|c| {}")),
904 Some(range_of(text, "(|c| {})"))
905 );
906
907 buffer
908 });
909
910 fn empty_range_at(text: &str, part: &str) -> Range<usize> {
911 let start = text.find(part).unwrap();
912 start..start
913 }
914
915 fn range_of(text: &str, part: &str) -> Range<usize> {
916 let start = text.find(part).unwrap();
917 start..start + part.len()
918 }
919}
920
921#[gpui::test]
922fn test_autoindent_with_soft_tabs(cx: &mut AppContext) {
923 init_settings(cx, |_| {});
924
925 cx.new_model(|cx| {
926 let text = "fn a() {}";
927 let mut buffer =
928 Buffer::new(0, cx.entity_id().as_u64(), text).with_language(Arc::new(rust_lang()), cx);
929
930 buffer.edit([(8..8, "\n\n")], Some(AutoindentMode::EachLine), cx);
931 assert_eq!(buffer.text(), "fn a() {\n \n}");
932
933 buffer.edit(
934 [(Point::new(1, 4)..Point::new(1, 4), "b()\n")],
935 Some(AutoindentMode::EachLine),
936 cx,
937 );
938 assert_eq!(buffer.text(), "fn a() {\n b()\n \n}");
939
940 // Create a field expression on a new line, causing that line
941 // to be indented.
942 buffer.edit(
943 [(Point::new(2, 4)..Point::new(2, 4), ".c")],
944 Some(AutoindentMode::EachLine),
945 cx,
946 );
947 assert_eq!(buffer.text(), "fn a() {\n b()\n .c\n}");
948
949 // Remove the dot so that the line is no longer a field expression,
950 // causing the line to be outdented.
951 buffer.edit(
952 [(Point::new(2, 8)..Point::new(2, 9), "")],
953 Some(AutoindentMode::EachLine),
954 cx,
955 );
956 assert_eq!(buffer.text(), "fn a() {\n b()\n c\n}");
957
958 buffer
959 });
960}
961
962#[gpui::test]
963fn test_autoindent_with_hard_tabs(cx: &mut AppContext) {
964 init_settings(cx, |settings| {
965 settings.defaults.hard_tabs = Some(true);
966 });
967
968 cx.new_model(|cx| {
969 let text = "fn a() {}";
970 let mut buffer =
971 Buffer::new(0, cx.entity_id().as_u64(), text).with_language(Arc::new(rust_lang()), cx);
972
973 buffer.edit([(8..8, "\n\n")], Some(AutoindentMode::EachLine), cx);
974 assert_eq!(buffer.text(), "fn a() {\n\t\n}");
975
976 buffer.edit(
977 [(Point::new(1, 1)..Point::new(1, 1), "b()\n")],
978 Some(AutoindentMode::EachLine),
979 cx,
980 );
981 assert_eq!(buffer.text(), "fn a() {\n\tb()\n\t\n}");
982
983 // Create a field expression on a new line, causing that line
984 // to be indented.
985 buffer.edit(
986 [(Point::new(2, 1)..Point::new(2, 1), ".c")],
987 Some(AutoindentMode::EachLine),
988 cx,
989 );
990 assert_eq!(buffer.text(), "fn a() {\n\tb()\n\t\t.c\n}");
991
992 // Remove the dot so that the line is no longer a field expression,
993 // causing the line to be outdented.
994 buffer.edit(
995 [(Point::new(2, 2)..Point::new(2, 3), "")],
996 Some(AutoindentMode::EachLine),
997 cx,
998 );
999 assert_eq!(buffer.text(), "fn a() {\n\tb()\n\tc\n}");
1000
1001 buffer
1002 });
1003}
1004
1005#[gpui::test]
1006fn test_autoindent_does_not_adjust_lines_with_unchanged_suggestion(cx: &mut AppContext) {
1007 init_settings(cx, |_| {});
1008
1009 cx.new_model(|cx| {
1010 let entity_id = cx.entity_id();
1011 let mut buffer = Buffer::new(
1012 0,
1013 entity_id.as_u64(),
1014 "
1015 fn a() {
1016 c;
1017 d;
1018 }
1019 "
1020 .unindent(),
1021 )
1022 .with_language(Arc::new(rust_lang()), cx);
1023
1024 // Lines 2 and 3 don't match the indentation suggestion. When editing these lines,
1025 // their indentation is not adjusted.
1026 buffer.edit_via_marked_text(
1027 &"
1028 fn a() {
1029 c«()»;
1030 d«()»;
1031 }
1032 "
1033 .unindent(),
1034 Some(AutoindentMode::EachLine),
1035 cx,
1036 );
1037 assert_eq!(
1038 buffer.text(),
1039 "
1040 fn a() {
1041 c();
1042 d();
1043 }
1044 "
1045 .unindent()
1046 );
1047
1048 // When appending new content after these lines, the indentation is based on the
1049 // preceding lines' actual indentation.
1050 buffer.edit_via_marked_text(
1051 &"
1052 fn a() {
1053 c«
1054 .f
1055 .g()»;
1056 d«
1057 .f
1058 .g()»;
1059 }
1060 "
1061 .unindent(),
1062 Some(AutoindentMode::EachLine),
1063 cx,
1064 );
1065
1066 assert_eq!(
1067 buffer.text(),
1068 "
1069 fn a() {
1070 c
1071 .f
1072 .g();
1073 d
1074 .f
1075 .g();
1076 }
1077 "
1078 .unindent()
1079 );
1080 buffer
1081 });
1082
1083 cx.new_model(|cx| {
1084 eprintln!("second buffer: {:?}", cx.entity_id());
1085
1086 let mut buffer = Buffer::new(
1087 0,
1088 cx.entity_id().as_u64(),
1089 "
1090 fn a() {
1091 b();
1092 |
1093 "
1094 .replace("|", "") // marker to preserve trailing whitespace
1095 .unindent(),
1096 )
1097 .with_language(Arc::new(rust_lang()), cx);
1098
1099 // Insert a closing brace. It is outdented.
1100 buffer.edit_via_marked_text(
1101 &"
1102 fn a() {
1103 b();
1104 «}»
1105 "
1106 .unindent(),
1107 Some(AutoindentMode::EachLine),
1108 cx,
1109 );
1110 assert_eq!(
1111 buffer.text(),
1112 "
1113 fn a() {
1114 b();
1115 }
1116 "
1117 .unindent()
1118 );
1119
1120 // Manually edit the leading whitespace. The edit is preserved.
1121 buffer.edit_via_marked_text(
1122 &"
1123 fn a() {
1124 b();
1125 « »}
1126 "
1127 .unindent(),
1128 Some(AutoindentMode::EachLine),
1129 cx,
1130 );
1131 assert_eq!(
1132 buffer.text(),
1133 "
1134 fn a() {
1135 b();
1136 }
1137 "
1138 .unindent()
1139 );
1140 buffer
1141 });
1142
1143 eprintln!("DONE");
1144}
1145
1146#[gpui::test]
1147fn test_autoindent_does_not_adjust_lines_within_newly_created_errors(cx: &mut AppContext) {
1148 init_settings(cx, |_| {});
1149
1150 cx.new_model(|cx| {
1151 let mut buffer = Buffer::new(
1152 0,
1153 cx.entity_id().as_u64(),
1154 "
1155 fn a() {
1156 i
1157 }
1158 "
1159 .unindent(),
1160 )
1161 .with_language(Arc::new(rust_lang()), cx);
1162
1163 // Regression test: line does not get outdented due to syntax error
1164 buffer.edit_via_marked_text(
1165 &"
1166 fn a() {
1167 i«f let Some(x) = y»
1168 }
1169 "
1170 .unindent(),
1171 Some(AutoindentMode::EachLine),
1172 cx,
1173 );
1174 assert_eq!(
1175 buffer.text(),
1176 "
1177 fn a() {
1178 if let Some(x) = y
1179 }
1180 "
1181 .unindent()
1182 );
1183
1184 buffer.edit_via_marked_text(
1185 &"
1186 fn a() {
1187 if let Some(x) = y« {»
1188 }
1189 "
1190 .unindent(),
1191 Some(AutoindentMode::EachLine),
1192 cx,
1193 );
1194 assert_eq!(
1195 buffer.text(),
1196 "
1197 fn a() {
1198 if let Some(x) = y {
1199 }
1200 "
1201 .unindent()
1202 );
1203
1204 buffer
1205 });
1206}
1207
1208#[gpui::test]
1209fn test_autoindent_adjusts_lines_when_only_text_changes(cx: &mut AppContext) {
1210 init_settings(cx, |_| {});
1211
1212 cx.new_model(|cx| {
1213 let mut buffer = Buffer::new(
1214 0,
1215 cx.entity_id().as_u64(),
1216 "
1217 fn a() {}
1218 "
1219 .unindent(),
1220 )
1221 .with_language(Arc::new(rust_lang()), cx);
1222
1223 buffer.edit_via_marked_text(
1224 &"
1225 fn a(«
1226 b») {}
1227 "
1228 .unindent(),
1229 Some(AutoindentMode::EachLine),
1230 cx,
1231 );
1232 assert_eq!(
1233 buffer.text(),
1234 "
1235 fn a(
1236 b) {}
1237 "
1238 .unindent()
1239 );
1240
1241 // The indentation suggestion changed because `@end` node (a close paren)
1242 // is now at the beginning of the line.
1243 buffer.edit_via_marked_text(
1244 &"
1245 fn a(
1246 ˇ) {}
1247 "
1248 .unindent(),
1249 Some(AutoindentMode::EachLine),
1250 cx,
1251 );
1252 assert_eq!(
1253 buffer.text(),
1254 "
1255 fn a(
1256 ) {}
1257 "
1258 .unindent()
1259 );
1260
1261 buffer
1262 });
1263}
1264
1265#[gpui::test]
1266fn test_autoindent_with_edit_at_end_of_buffer(cx: &mut AppContext) {
1267 init_settings(cx, |_| {});
1268
1269 cx.new_model(|cx| {
1270 let text = "a\nb";
1271 let mut buffer =
1272 Buffer::new(0, cx.entity_id().as_u64(), text).with_language(Arc::new(rust_lang()), cx);
1273 buffer.edit(
1274 [(0..1, "\n"), (2..3, "\n")],
1275 Some(AutoindentMode::EachLine),
1276 cx,
1277 );
1278 assert_eq!(buffer.text(), "\n\n\n");
1279 buffer
1280 });
1281}
1282
1283#[gpui::test]
1284fn test_autoindent_multi_line_insertion(cx: &mut AppContext) {
1285 init_settings(cx, |_| {});
1286
1287 cx.new_model(|cx| {
1288 let text = "
1289 const a: usize = 1;
1290 fn b() {
1291 if c {
1292 let d = 2;
1293 }
1294 }
1295 "
1296 .unindent();
1297
1298 let mut buffer =
1299 Buffer::new(0, cx.entity_id().as_u64(), text).with_language(Arc::new(rust_lang()), cx);
1300 buffer.edit(
1301 [(Point::new(3, 0)..Point::new(3, 0), "e(\n f()\n);\n")],
1302 Some(AutoindentMode::EachLine),
1303 cx,
1304 );
1305 assert_eq!(
1306 buffer.text(),
1307 "
1308 const a: usize = 1;
1309 fn b() {
1310 if c {
1311 e(
1312 f()
1313 );
1314 let d = 2;
1315 }
1316 }
1317 "
1318 .unindent()
1319 );
1320
1321 buffer
1322 });
1323}
1324
1325#[gpui::test]
1326fn test_autoindent_block_mode(cx: &mut AppContext) {
1327 init_settings(cx, |_| {});
1328
1329 cx.new_model(|cx| {
1330 let text = r#"
1331 fn a() {
1332 b();
1333 }
1334 "#
1335 .unindent();
1336 let mut buffer =
1337 Buffer::new(0, cx.entity_id().as_u64(), text).with_language(Arc::new(rust_lang()), cx);
1338
1339 // When this text was copied, both of the quotation marks were at the same
1340 // indent level, but the indentation of the first line was not included in
1341 // the copied text. This information is retained in the
1342 // 'original_indent_columns' vector.
1343 let original_indent_columns = vec![4];
1344 let inserted_text = r#"
1345 "
1346 c
1347 d
1348 e
1349 "
1350 "#
1351 .unindent();
1352
1353 // Insert the block at column zero. The entire block is indented
1354 // so that the first line matches the previous line's indentation.
1355 buffer.edit(
1356 [(Point::new(2, 0)..Point::new(2, 0), inserted_text.clone())],
1357 Some(AutoindentMode::Block {
1358 original_indent_columns: original_indent_columns.clone(),
1359 }),
1360 cx,
1361 );
1362 assert_eq!(
1363 buffer.text(),
1364 r#"
1365 fn a() {
1366 b();
1367 "
1368 c
1369 d
1370 e
1371 "
1372 }
1373 "#
1374 .unindent()
1375 );
1376
1377 // Grouping is disabled in tests, so we need 2 undos
1378 buffer.undo(cx); // Undo the auto-indent
1379 buffer.undo(cx); // Undo the original edit
1380
1381 // Insert the block at a deeper indent level. The entire block is outdented.
1382 buffer.edit([(Point::new(2, 0)..Point::new(2, 0), " ")], None, cx);
1383 buffer.edit(
1384 [(Point::new(2, 8)..Point::new(2, 8), inserted_text)],
1385 Some(AutoindentMode::Block {
1386 original_indent_columns: original_indent_columns.clone(),
1387 }),
1388 cx,
1389 );
1390 assert_eq!(
1391 buffer.text(),
1392 r#"
1393 fn a() {
1394 b();
1395 "
1396 c
1397 d
1398 e
1399 "
1400 }
1401 "#
1402 .unindent()
1403 );
1404
1405 buffer
1406 });
1407}
1408
1409#[gpui::test]
1410fn test_autoindent_block_mode_without_original_indent_columns(cx: &mut AppContext) {
1411 init_settings(cx, |_| {});
1412
1413 cx.new_model(|cx| {
1414 let text = r#"
1415 fn a() {
1416 if b() {
1417
1418 }
1419 }
1420 "#
1421 .unindent();
1422 let mut buffer =
1423 Buffer::new(0, cx.entity_id().as_u64(), text).with_language(Arc::new(rust_lang()), cx);
1424
1425 // The original indent columns are not known, so this text is
1426 // auto-indented in a block as if the first line was copied in
1427 // its entirety.
1428 let original_indent_columns = Vec::new();
1429 let inserted_text = " c\n .d()\n .e();";
1430
1431 // Insert the block at column zero. The entire block is indented
1432 // so that the first line matches the previous line's indentation.
1433 buffer.edit(
1434 [(Point::new(2, 0)..Point::new(2, 0), inserted_text)],
1435 Some(AutoindentMode::Block {
1436 original_indent_columns: original_indent_columns.clone(),
1437 }),
1438 cx,
1439 );
1440 assert_eq!(
1441 buffer.text(),
1442 r#"
1443 fn a() {
1444 if b() {
1445 c
1446 .d()
1447 .e();
1448 }
1449 }
1450 "#
1451 .unindent()
1452 );
1453
1454 // Grouping is disabled in tests, so we need 2 undos
1455 buffer.undo(cx); // Undo the auto-indent
1456 buffer.undo(cx); // Undo the original edit
1457
1458 // Insert the block at a deeper indent level. The entire block is outdented.
1459 buffer.edit(
1460 [(Point::new(2, 0)..Point::new(2, 0), " ".repeat(12))],
1461 None,
1462 cx,
1463 );
1464 buffer.edit(
1465 [(Point::new(2, 12)..Point::new(2, 12), inserted_text)],
1466 Some(AutoindentMode::Block {
1467 original_indent_columns: Vec::new(),
1468 }),
1469 cx,
1470 );
1471 assert_eq!(
1472 buffer.text(),
1473 r#"
1474 fn a() {
1475 if b() {
1476 c
1477 .d()
1478 .e();
1479 }
1480 }
1481 "#
1482 .unindent()
1483 );
1484
1485 buffer
1486 });
1487}
1488
1489#[gpui::test]
1490fn test_autoindent_language_without_indents_query(cx: &mut AppContext) {
1491 init_settings(cx, |_| {});
1492
1493 cx.new_model(|cx| {
1494 let text = "
1495 * one
1496 - a
1497 - b
1498 * two
1499 "
1500 .unindent();
1501
1502 let mut buffer = Buffer::new(0, cx.entity_id().as_u64(), text).with_language(
1503 Arc::new(Language::new(
1504 LanguageConfig {
1505 name: "Markdown".into(),
1506 auto_indent_using_last_non_empty_line: false,
1507 ..Default::default()
1508 },
1509 Some(tree_sitter_json::language()),
1510 )),
1511 cx,
1512 );
1513 buffer.edit(
1514 [(Point::new(3, 0)..Point::new(3, 0), "\n")],
1515 Some(AutoindentMode::EachLine),
1516 cx,
1517 );
1518 assert_eq!(
1519 buffer.text(),
1520 "
1521 * one
1522 - a
1523 - b
1524
1525 * two
1526 "
1527 .unindent()
1528 );
1529 buffer
1530 });
1531}
1532
1533#[gpui::test]
1534fn test_autoindent_with_injected_languages(cx: &mut AppContext) {
1535 init_settings(cx, |settings| {
1536 settings.languages.extend([
1537 (
1538 "HTML".into(),
1539 LanguageSettingsContent {
1540 tab_size: Some(2.try_into().unwrap()),
1541 ..Default::default()
1542 },
1543 ),
1544 (
1545 "JavaScript".into(),
1546 LanguageSettingsContent {
1547 tab_size: Some(8.try_into().unwrap()),
1548 ..Default::default()
1549 },
1550 ),
1551 ])
1552 });
1553
1554 let html_language = Arc::new(html_lang());
1555
1556 let javascript_language = Arc::new(javascript_lang());
1557
1558 let language_registry = Arc::new(LanguageRegistry::test());
1559 language_registry.add(html_language.clone());
1560 language_registry.add(javascript_language.clone());
1561
1562 cx.new_model(|cx| {
1563 let (text, ranges) = marked_text_ranges(
1564 &"
1565 <div>ˇ
1566 </div>
1567 <script>
1568 init({ˇ
1569 })
1570 </script>
1571 <span>ˇ
1572 </span>
1573 "
1574 .unindent(),
1575 false,
1576 );
1577
1578 let mut buffer = Buffer::new(0, cx.entity_id().as_u64(), text);
1579 buffer.set_language_registry(language_registry);
1580 buffer.set_language(Some(html_language), cx);
1581 buffer.edit(
1582 ranges.into_iter().map(|range| (range, "\na")),
1583 Some(AutoindentMode::EachLine),
1584 cx,
1585 );
1586 assert_eq!(
1587 buffer.text(),
1588 "
1589 <div>
1590 a
1591 </div>
1592 <script>
1593 init({
1594 a
1595 })
1596 </script>
1597 <span>
1598 a
1599 </span>
1600 "
1601 .unindent()
1602 );
1603 buffer
1604 });
1605}
1606
1607#[gpui::test]
1608fn test_autoindent_query_with_outdent_captures(cx: &mut AppContext) {
1609 init_settings(cx, |settings| {
1610 settings.defaults.tab_size = Some(2.try_into().unwrap());
1611 });
1612
1613 cx.new_model(|cx| {
1614 let mut buffer =
1615 Buffer::new(0, cx.entity_id().as_u64(), "").with_language(Arc::new(ruby_lang()), cx);
1616
1617 let text = r#"
1618 class C
1619 def a(b, c)
1620 puts b
1621 puts c
1622 rescue
1623 puts "errored"
1624 exit 1
1625 end
1626 end
1627 "#
1628 .unindent();
1629
1630 buffer.edit([(0..0, text)], Some(AutoindentMode::EachLine), cx);
1631
1632 assert_eq!(
1633 buffer.text(),
1634 r#"
1635 class C
1636 def a(b, c)
1637 puts b
1638 puts c
1639 rescue
1640 puts "errored"
1641 exit 1
1642 end
1643 end
1644 "#
1645 .unindent()
1646 );
1647
1648 buffer
1649 });
1650}
1651
1652#[gpui::test]
1653fn test_language_scope_at_with_javascript(cx: &mut AppContext) {
1654 init_settings(cx, |_| {});
1655
1656 cx.new_model(|cx| {
1657 let language = Language::new(
1658 LanguageConfig {
1659 name: "JavaScript".into(),
1660 line_comment: Some("// ".into()),
1661 brackets: BracketPairConfig {
1662 pairs: vec![
1663 BracketPair {
1664 start: "{".into(),
1665 end: "}".into(),
1666 close: true,
1667 newline: false,
1668 },
1669 BracketPair {
1670 start: "'".into(),
1671 end: "'".into(),
1672 close: true,
1673 newline: false,
1674 },
1675 ],
1676 disabled_scopes_by_bracket_ix: vec![
1677 Vec::new(), //
1678 vec!["string".into()],
1679 ],
1680 },
1681 overrides: [(
1682 "element".into(),
1683 LanguageConfigOverride {
1684 line_comment: Override::Remove { remove: true },
1685 block_comment: Override::Set(("{/*".into(), "*/}".into())),
1686 ..Default::default()
1687 },
1688 )]
1689 .into_iter()
1690 .collect(),
1691 ..Default::default()
1692 },
1693 Some(tree_sitter_typescript::language_tsx()),
1694 )
1695 .with_override_query(
1696 r#"
1697 (jsx_element) @element
1698 (string) @string
1699 [
1700 (jsx_opening_element)
1701 (jsx_closing_element)
1702 (jsx_expression)
1703 ] @default
1704 "#,
1705 )
1706 .unwrap();
1707
1708 let text = r#"
1709 a["b"] = <C d="e">
1710 <F></F>
1711 { g() }
1712 </C>;
1713 "#
1714 .unindent();
1715
1716 let buffer =
1717 Buffer::new(0, cx.entity_id().as_u64(), &text).with_language(Arc::new(language), cx);
1718 let snapshot = buffer.snapshot();
1719
1720 let config = snapshot.language_scope_at(0).unwrap();
1721 assert_eq!(config.line_comment_prefix().unwrap().as_ref(), "// ");
1722 // Both bracket pairs are enabled
1723 assert_eq!(
1724 config.brackets().map(|e| e.1).collect::<Vec<_>>(),
1725 &[true, true]
1726 );
1727
1728 let string_config = snapshot
1729 .language_scope_at(text.find("b\"").unwrap())
1730 .unwrap();
1731 assert_eq!(string_config.line_comment_prefix().unwrap().as_ref(), "// ");
1732 // Second bracket pair is disabled
1733 assert_eq!(
1734 string_config.brackets().map(|e| e.1).collect::<Vec<_>>(),
1735 &[true, false]
1736 );
1737
1738 // In between JSX tags: use the `element` override.
1739 let element_config = snapshot
1740 .language_scope_at(text.find("<F>").unwrap())
1741 .unwrap();
1742 assert_eq!(element_config.line_comment_prefix(), None);
1743 assert_eq!(
1744 element_config.block_comment_delimiters(),
1745 Some((&"{/*".into(), &"*/}".into()))
1746 );
1747 assert_eq!(
1748 element_config.brackets().map(|e| e.1).collect::<Vec<_>>(),
1749 &[true, true]
1750 );
1751
1752 // Within a JSX tag: use the default config.
1753 let tag_config = snapshot
1754 .language_scope_at(text.find(" d=").unwrap() + 1)
1755 .unwrap();
1756 assert_eq!(tag_config.line_comment_prefix().unwrap().as_ref(), "// ");
1757 assert_eq!(
1758 tag_config.brackets().map(|e| e.1).collect::<Vec<_>>(),
1759 &[true, true]
1760 );
1761
1762 // In a JSX expression: use the default config.
1763 let expression_in_element_config = snapshot
1764 .language_scope_at(text.find("{").unwrap() + 1)
1765 .unwrap();
1766 assert_eq!(
1767 expression_in_element_config
1768 .line_comment_prefix()
1769 .unwrap()
1770 .as_ref(),
1771 "// "
1772 );
1773 assert_eq!(
1774 expression_in_element_config
1775 .brackets()
1776 .map(|e| e.1)
1777 .collect::<Vec<_>>(),
1778 &[true, true]
1779 );
1780
1781 buffer
1782 });
1783}
1784
1785#[gpui::test]
1786fn test_language_scope_at_with_rust(cx: &mut AppContext) {
1787 init_settings(cx, |_| {});
1788
1789 cx.new_model(|cx| {
1790 let language = Language::new(
1791 LanguageConfig {
1792 name: "Rust".into(),
1793 brackets: BracketPairConfig {
1794 pairs: vec![
1795 BracketPair {
1796 start: "{".into(),
1797 end: "}".into(),
1798 close: true,
1799 newline: false,
1800 },
1801 BracketPair {
1802 start: "'".into(),
1803 end: "'".into(),
1804 close: true,
1805 newline: false,
1806 },
1807 ],
1808 disabled_scopes_by_bracket_ix: vec![
1809 Vec::new(), //
1810 vec!["string".into()],
1811 ],
1812 },
1813 ..Default::default()
1814 },
1815 Some(tree_sitter_rust::language()),
1816 )
1817 .with_override_query(
1818 r#"
1819 (string_literal) @string
1820 "#,
1821 )
1822 .unwrap();
1823
1824 let text = r#"
1825 const S: &'static str = "hello";
1826 "#
1827 .unindent();
1828
1829 let buffer = Buffer::new(0, cx.entity_id().as_u64(), text.clone())
1830 .with_language(Arc::new(language), cx);
1831 let snapshot = buffer.snapshot();
1832
1833 // By default, all brackets are enabled
1834 let config = snapshot.language_scope_at(0).unwrap();
1835 assert_eq!(
1836 config.brackets().map(|e| e.1).collect::<Vec<_>>(),
1837 &[true, true]
1838 );
1839
1840 // Within a string, the quotation brackets are disabled.
1841 let string_config = snapshot
1842 .language_scope_at(text.find("ello").unwrap())
1843 .unwrap();
1844 assert_eq!(
1845 string_config.brackets().map(|e| e.1).collect::<Vec<_>>(),
1846 &[true, false]
1847 );
1848
1849 buffer
1850 });
1851}
1852
1853#[gpui::test]
1854fn test_language_scope_at_with_combined_injections(cx: &mut AppContext) {
1855 init_settings(cx, |_| {});
1856
1857 cx.new_model(|cx| {
1858 let text = r#"
1859 <ol>
1860 <% people.each do |person| %>
1861 <li>
1862 <%= person.name %>
1863 </li>
1864 <% end %>
1865 </ol>
1866 "#
1867 .unindent();
1868
1869 let language_registry = Arc::new(LanguageRegistry::test());
1870 language_registry.add(Arc::new(ruby_lang()));
1871 language_registry.add(Arc::new(html_lang()));
1872 language_registry.add(Arc::new(erb_lang()));
1873
1874 let mut buffer = Buffer::new(0, cx.entity_id().as_u64(), text);
1875 buffer.set_language_registry(language_registry.clone());
1876 buffer.set_language(
1877 language_registry
1878 .language_for_name("ERB")
1879 .now_or_never()
1880 .unwrap()
1881 .ok(),
1882 cx,
1883 );
1884
1885 let snapshot = buffer.snapshot();
1886 let html_config = snapshot.language_scope_at(Point::new(2, 4)).unwrap();
1887 assert_eq!(html_config.line_comment_prefix(), None);
1888 assert_eq!(
1889 html_config.block_comment_delimiters(),
1890 Some((&"<!--".into(), &"-->".into()))
1891 );
1892
1893 let ruby_config = snapshot.language_scope_at(Point::new(3, 12)).unwrap();
1894 assert_eq!(ruby_config.line_comment_prefix().unwrap().as_ref(), "# ");
1895 assert_eq!(ruby_config.block_comment_delimiters(), None);
1896
1897 buffer
1898 });
1899}
1900
1901#[gpui::test]
1902fn test_serialization(cx: &mut gpui::AppContext) {
1903 let mut now = Instant::now();
1904
1905 let buffer1 = cx.new_model(|cx| {
1906 let mut buffer = Buffer::new(0, cx.entity_id().as_u64(), "abc");
1907 buffer.edit([(3..3, "D")], None, cx);
1908
1909 now += Duration::from_secs(1);
1910 buffer.start_transaction_at(now);
1911 buffer.edit([(4..4, "E")], None, cx);
1912 buffer.end_transaction_at(now, cx);
1913 assert_eq!(buffer.text(), "abcDE");
1914
1915 buffer.undo(cx);
1916 assert_eq!(buffer.text(), "abcD");
1917
1918 buffer.edit([(4..4, "F")], None, cx);
1919 assert_eq!(buffer.text(), "abcDF");
1920 buffer
1921 });
1922 assert_eq!(buffer1.read(cx).text(), "abcDF");
1923
1924 let state = buffer1.read(cx).to_proto();
1925 let ops = cx
1926 .background_executor()
1927 .block(buffer1.read(cx).serialize_ops(None, cx));
1928 let buffer2 = cx.new_model(|cx| {
1929 let mut buffer = Buffer::from_proto(1, state, None).unwrap();
1930 buffer
1931 .apply_ops(
1932 ops.into_iter()
1933 .map(|op| proto::deserialize_operation(op).unwrap()),
1934 cx,
1935 )
1936 .unwrap();
1937 buffer
1938 });
1939 assert_eq!(buffer2.read(cx).text(), "abcDF");
1940}
1941
1942#[gpui::test(iterations = 100)]
1943fn test_random_collaboration(cx: &mut AppContext, mut rng: StdRng) {
1944 let min_peers = env::var("MIN_PEERS")
1945 .map(|i| i.parse().expect("invalid `MIN_PEERS` variable"))
1946 .unwrap_or(1);
1947 let max_peers = env::var("MAX_PEERS")
1948 .map(|i| i.parse().expect("invalid `MAX_PEERS` variable"))
1949 .unwrap_or(5);
1950 let operations = env::var("OPERATIONS")
1951 .map(|i| i.parse().expect("invalid `OPERATIONS` variable"))
1952 .unwrap_or(10);
1953
1954 let base_text_len = rng.gen_range(0..10);
1955 let base_text = RandomCharIter::new(&mut rng)
1956 .take(base_text_len)
1957 .collect::<String>();
1958 let mut replica_ids = Vec::new();
1959 let mut buffers = Vec::new();
1960 let network = Arc::new(Mutex::new(Network::new(rng.clone())));
1961 let base_buffer =
1962 cx.new_model(|cx| Buffer::new(0, cx.entity_id().as_u64(), base_text.as_str()));
1963
1964 for i in 0..rng.gen_range(min_peers..=max_peers) {
1965 let buffer = cx.new_model(|cx| {
1966 let state = base_buffer.read(cx).to_proto();
1967 let ops = cx
1968 .background_executor()
1969 .block(base_buffer.read(cx).serialize_ops(None, cx));
1970 let mut buffer = Buffer::from_proto(i as ReplicaId, state, None).unwrap();
1971 buffer
1972 .apply_ops(
1973 ops.into_iter()
1974 .map(|op| proto::deserialize_operation(op).unwrap()),
1975 cx,
1976 )
1977 .unwrap();
1978 buffer.set_group_interval(Duration::from_millis(rng.gen_range(0..=200)));
1979 let network = network.clone();
1980 cx.subscribe(&cx.handle(), move |buffer, _, event, _| {
1981 if let Event::Operation(op) = event {
1982 network
1983 .lock()
1984 .broadcast(buffer.replica_id(), vec![proto::serialize_operation(op)]);
1985 }
1986 })
1987 .detach();
1988 buffer
1989 });
1990
1991 buffers.push(buffer);
1992 replica_ids.push(i as ReplicaId);
1993 network.lock().add_peer(i as ReplicaId);
1994 log::info!("Adding initial peer with replica id {}", i);
1995 }
1996
1997 log::info!("initial text: {:?}", base_text);
1998
1999 let mut now = Instant::now();
2000 let mut mutation_count = operations;
2001 let mut next_diagnostic_id = 0;
2002 let mut active_selections = BTreeMap::default();
2003 loop {
2004 let replica_index = rng.gen_range(0..replica_ids.len());
2005 let replica_id = replica_ids[replica_index];
2006 let buffer = &mut buffers[replica_index];
2007 let mut new_buffer = None;
2008 match rng.gen_range(0..100) {
2009 0..=29 if mutation_count != 0 => {
2010 buffer.update(cx, |buffer, cx| {
2011 buffer.start_transaction_at(now);
2012 buffer.randomly_edit(&mut rng, 5, cx);
2013 buffer.end_transaction_at(now, cx);
2014 log::info!("buffer {} text: {:?}", buffer.replica_id(), buffer.text());
2015 });
2016 mutation_count -= 1;
2017 }
2018 30..=39 if mutation_count != 0 => {
2019 buffer.update(cx, |buffer, cx| {
2020 if rng.gen_bool(0.2) {
2021 log::info!("peer {} clearing active selections", replica_id);
2022 active_selections.remove(&replica_id);
2023 buffer.remove_active_selections(cx);
2024 } else {
2025 let mut selections = Vec::new();
2026 for id in 0..rng.gen_range(1..=5) {
2027 let range = buffer.random_byte_range(0, &mut rng);
2028 selections.push(Selection {
2029 id,
2030 start: buffer.anchor_before(range.start),
2031 end: buffer.anchor_before(range.end),
2032 reversed: false,
2033 goal: SelectionGoal::None,
2034 });
2035 }
2036 let selections: Arc<[Selection<Anchor>]> = selections.into();
2037 log::info!(
2038 "peer {} setting active selections: {:?}",
2039 replica_id,
2040 selections
2041 );
2042 active_selections.insert(replica_id, selections.clone());
2043 buffer.set_active_selections(selections, false, Default::default(), cx);
2044 }
2045 });
2046 mutation_count -= 1;
2047 }
2048 40..=49 if mutation_count != 0 && replica_id == 0 => {
2049 let entry_count = rng.gen_range(1..=5);
2050 buffer.update(cx, |buffer, cx| {
2051 let diagnostics = DiagnosticSet::new(
2052 (0..entry_count).map(|_| {
2053 let range = buffer.random_byte_range(0, &mut rng);
2054 let range = range.to_point_utf16(buffer);
2055 let range = range.start..range.end;
2056 DiagnosticEntry {
2057 range,
2058 diagnostic: Diagnostic {
2059 message: post_inc(&mut next_diagnostic_id).to_string(),
2060 ..Default::default()
2061 },
2062 }
2063 }),
2064 buffer,
2065 );
2066 log::info!("peer {} setting diagnostics: {:?}", replica_id, diagnostics);
2067 buffer.update_diagnostics(LanguageServerId(0), diagnostics, cx);
2068 });
2069 mutation_count -= 1;
2070 }
2071 50..=59 if replica_ids.len() < max_peers => {
2072 let old_buffer_state = buffer.read(cx).to_proto();
2073 let old_buffer_ops = cx
2074 .background_executor()
2075 .block(buffer.read(cx).serialize_ops(None, cx));
2076 let new_replica_id = (0..=replica_ids.len() as ReplicaId)
2077 .filter(|replica_id| *replica_id != buffer.read(cx).replica_id())
2078 .choose(&mut rng)
2079 .unwrap();
2080 log::info!(
2081 "Adding new replica {} (replicating from {})",
2082 new_replica_id,
2083 replica_id
2084 );
2085 new_buffer = Some(cx.new_model(|cx| {
2086 let mut new_buffer =
2087 Buffer::from_proto(new_replica_id, old_buffer_state, None).unwrap();
2088 new_buffer
2089 .apply_ops(
2090 old_buffer_ops
2091 .into_iter()
2092 .map(|op| deserialize_operation(op).unwrap()),
2093 cx,
2094 )
2095 .unwrap();
2096 log::info!(
2097 "New replica {} text: {:?}",
2098 new_buffer.replica_id(),
2099 new_buffer.text()
2100 );
2101 new_buffer.set_group_interval(Duration::from_millis(rng.gen_range(0..=200)));
2102 let network = network.clone();
2103 cx.subscribe(&cx.handle(), move |buffer, _, event, _| {
2104 if let Event::Operation(op) = event {
2105 network.lock().broadcast(
2106 buffer.replica_id(),
2107 vec![proto::serialize_operation(op)],
2108 );
2109 }
2110 })
2111 .detach();
2112 new_buffer
2113 }));
2114 network.lock().replicate(replica_id, new_replica_id);
2115
2116 if new_replica_id as usize == replica_ids.len() {
2117 replica_ids.push(new_replica_id);
2118 } else {
2119 let new_buffer = new_buffer.take().unwrap();
2120 while network.lock().has_unreceived(new_replica_id) {
2121 let ops = network
2122 .lock()
2123 .receive(new_replica_id)
2124 .into_iter()
2125 .map(|op| proto::deserialize_operation(op).unwrap());
2126 if ops.len() > 0 {
2127 log::info!(
2128 "peer {} (version: {:?}) applying {} ops from the network. {:?}",
2129 new_replica_id,
2130 buffer.read(cx).version(),
2131 ops.len(),
2132 ops
2133 );
2134 new_buffer.update(cx, |new_buffer, cx| {
2135 new_buffer.apply_ops(ops, cx).unwrap();
2136 });
2137 }
2138 }
2139 buffers[new_replica_id as usize] = new_buffer;
2140 }
2141 }
2142 60..=69 if mutation_count != 0 => {
2143 buffer.update(cx, |buffer, cx| {
2144 buffer.randomly_undo_redo(&mut rng, cx);
2145 log::info!("buffer {} text: {:?}", buffer.replica_id(), buffer.text());
2146 });
2147 mutation_count -= 1;
2148 }
2149 _ if network.lock().has_unreceived(replica_id) => {
2150 let ops = network
2151 .lock()
2152 .receive(replica_id)
2153 .into_iter()
2154 .map(|op| proto::deserialize_operation(op).unwrap());
2155 if ops.len() > 0 {
2156 log::info!(
2157 "peer {} (version: {:?}) applying {} ops from the network. {:?}",
2158 replica_id,
2159 buffer.read(cx).version(),
2160 ops.len(),
2161 ops
2162 );
2163 buffer.update(cx, |buffer, cx| buffer.apply_ops(ops, cx).unwrap());
2164 }
2165 }
2166 _ => {}
2167 }
2168
2169 now += Duration::from_millis(rng.gen_range(0..=200));
2170 buffers.extend(new_buffer);
2171
2172 for buffer in &buffers {
2173 buffer.read(cx).check_invariants();
2174 }
2175
2176 if mutation_count == 0 && network.lock().is_idle() {
2177 break;
2178 }
2179 }
2180
2181 let first_buffer = buffers[0].read(cx).snapshot();
2182 for buffer in &buffers[1..] {
2183 let buffer = buffer.read(cx).snapshot();
2184 assert_eq!(
2185 buffer.version(),
2186 first_buffer.version(),
2187 "Replica {} version != Replica 0 version",
2188 buffer.replica_id()
2189 );
2190 assert_eq!(
2191 buffer.text(),
2192 first_buffer.text(),
2193 "Replica {} text != Replica 0 text",
2194 buffer.replica_id()
2195 );
2196 assert_eq!(
2197 buffer
2198 .diagnostics_in_range::<_, usize>(0..buffer.len(), false)
2199 .collect::<Vec<_>>(),
2200 first_buffer
2201 .diagnostics_in_range::<_, usize>(0..first_buffer.len(), false)
2202 .collect::<Vec<_>>(),
2203 "Replica {} diagnostics != Replica 0 diagnostics",
2204 buffer.replica_id()
2205 );
2206 }
2207
2208 for buffer in &buffers {
2209 let buffer = buffer.read(cx).snapshot();
2210 let actual_remote_selections = buffer
2211 .remote_selections_in_range(Anchor::MIN..Anchor::MAX)
2212 .map(|(replica_id, _, _, selections)| (replica_id, selections.collect::<Vec<_>>()))
2213 .collect::<Vec<_>>();
2214 let expected_remote_selections = active_selections
2215 .iter()
2216 .filter(|(replica_id, _)| **replica_id != buffer.replica_id())
2217 .map(|(replica_id, selections)| (*replica_id, selections.iter().collect::<Vec<_>>()))
2218 .collect::<Vec<_>>();
2219 assert_eq!(
2220 actual_remote_selections,
2221 expected_remote_selections,
2222 "Replica {} remote selections != expected selections",
2223 buffer.replica_id()
2224 );
2225 }
2226}
2227
2228#[test]
2229fn test_contiguous_ranges() {
2230 assert_eq!(
2231 contiguous_ranges([1, 2, 3, 5, 6, 9, 10, 11, 12].into_iter(), 100).collect::<Vec<_>>(),
2232 &[1..4, 5..7, 9..13]
2233 );
2234
2235 // Respects the `max_len` parameter
2236 assert_eq!(
2237 contiguous_ranges(
2238 [2, 3, 4, 5, 6, 7, 8, 9, 23, 24, 25, 26, 30, 31].into_iter(),
2239 3
2240 )
2241 .collect::<Vec<_>>(),
2242 &[2..5, 5..8, 8..10, 23..26, 26..27, 30..32],
2243 );
2244}
2245
2246#[gpui::test(iterations = 500)]
2247fn test_trailing_whitespace_ranges(mut rng: StdRng) {
2248 // Generate a random multi-line string containing
2249 // some lines with trailing whitespace.
2250 let mut text = String::new();
2251 for _ in 0..rng.gen_range(0..16) {
2252 for _ in 0..rng.gen_range(0..36) {
2253 text.push(match rng.gen_range(0..10) {
2254 0..=1 => ' ',
2255 3 => '\t',
2256 _ => rng.gen_range('a'..'z'),
2257 });
2258 }
2259 text.push('\n');
2260 }
2261
2262 match rng.gen_range(0..10) {
2263 // sometimes remove the last newline
2264 0..=1 => drop(text.pop()), //
2265
2266 // sometimes add extra newlines
2267 2..=3 => text.push_str(&"\n".repeat(rng.gen_range(1..5))),
2268 _ => {}
2269 }
2270
2271 let rope = Rope::from(text.as_str());
2272 let actual_ranges = trailing_whitespace_ranges(&rope);
2273 let expected_ranges = TRAILING_WHITESPACE_REGEX
2274 .find_iter(&text)
2275 .map(|m| m.range())
2276 .collect::<Vec<_>>();
2277 assert_eq!(
2278 actual_ranges,
2279 expected_ranges,
2280 "wrong ranges for text lines:\n{:?}",
2281 text.split("\n").collect::<Vec<_>>()
2282 );
2283}
2284
2285fn ruby_lang() -> Language {
2286 Language::new(
2287 LanguageConfig {
2288 name: "Ruby".into(),
2289 path_suffixes: vec!["rb".to_string()],
2290 line_comment: Some("# ".into()),
2291 ..Default::default()
2292 },
2293 Some(tree_sitter_ruby::language()),
2294 )
2295 .with_indents_query(
2296 r#"
2297 (class "end" @end) @indent
2298 (method "end" @end) @indent
2299 (rescue) @outdent
2300 (then) @indent
2301 "#,
2302 )
2303 .unwrap()
2304}
2305
2306fn html_lang() -> Language {
2307 Language::new(
2308 LanguageConfig {
2309 name: "HTML".into(),
2310 block_comment: Some(("<!--".into(), "-->".into())),
2311 ..Default::default()
2312 },
2313 Some(tree_sitter_html::language()),
2314 )
2315 .with_indents_query(
2316 "
2317 (element
2318 (start_tag) @start
2319 (end_tag)? @end) @indent
2320 ",
2321 )
2322 .unwrap()
2323 .with_injection_query(
2324 r#"
2325 (script_element
2326 (raw_text) @content
2327 (#set! "language" "javascript"))
2328 "#,
2329 )
2330 .unwrap()
2331}
2332
2333fn erb_lang() -> Language {
2334 Language::new(
2335 LanguageConfig {
2336 name: "ERB".into(),
2337 path_suffixes: vec!["erb".to_string()],
2338 block_comment: Some(("<%#".into(), "%>".into())),
2339 ..Default::default()
2340 },
2341 Some(tree_sitter_embedded_template::language()),
2342 )
2343 .with_injection_query(
2344 r#"
2345 (
2346 (code) @content
2347 (#set! "language" "ruby")
2348 (#set! "combined")
2349 )
2350
2351 (
2352 (content) @content
2353 (#set! "language" "html")
2354 (#set! "combined")
2355 )
2356 "#,
2357 )
2358 .unwrap()
2359}
2360
2361fn rust_lang() -> Language {
2362 Language::new(
2363 LanguageConfig {
2364 name: "Rust".into(),
2365 path_suffixes: vec!["rs".to_string()],
2366 ..Default::default()
2367 },
2368 Some(tree_sitter_rust::language()),
2369 )
2370 .with_indents_query(
2371 r#"
2372 (call_expression) @indent
2373 (field_expression) @indent
2374 (_ "(" ")" @end) @indent
2375 (_ "{" "}" @end) @indent
2376 "#,
2377 )
2378 .unwrap()
2379 .with_brackets_query(
2380 r#"
2381 ("{" @open "}" @close)
2382 "#,
2383 )
2384 .unwrap()
2385 .with_outline_query(
2386 r#"
2387 (struct_item
2388 "struct" @context
2389 name: (_) @name) @item
2390 (enum_item
2391 "enum" @context
2392 name: (_) @name) @item
2393 (enum_variant
2394 name: (_) @name) @item
2395 (field_declaration
2396 name: (_) @name) @item
2397 (impl_item
2398 "impl" @context
2399 trait: (_)? @name
2400 "for"? @context
2401 type: (_) @name) @item
2402 (function_item
2403 "fn" @context
2404 name: (_) @name) @item
2405 (mod_item
2406 "mod" @context
2407 name: (_) @name) @item
2408 "#,
2409 )
2410 .unwrap()
2411}
2412
2413fn json_lang() -> Language {
2414 Language::new(
2415 LanguageConfig {
2416 name: "Json".into(),
2417 path_suffixes: vec!["js".to_string()],
2418 ..Default::default()
2419 },
2420 Some(tree_sitter_json::language()),
2421 )
2422}
2423
2424fn javascript_lang() -> Language {
2425 Language::new(
2426 LanguageConfig {
2427 name: "JavaScript".into(),
2428 ..Default::default()
2429 },
2430 Some(tree_sitter_typescript::language_tsx()),
2431 )
2432 .with_brackets_query(
2433 r#"
2434 ("{" @open "}" @close)
2435 ("(" @open ")" @close)
2436 "#,
2437 )
2438 .unwrap()
2439 .with_indents_query(
2440 r#"
2441 (object "}" @end) @indent
2442 "#,
2443 )
2444 .unwrap()
2445}
2446
2447fn get_tree_sexp(buffer: &Model<Buffer>, cx: &mut gpui::TestAppContext) -> String {
2448 buffer.update(cx, |buffer, _| {
2449 let snapshot = buffer.snapshot();
2450 let layers = snapshot.syntax.layers(buffer.as_text_snapshot());
2451 layers[0].node().to_sexp()
2452 })
2453}
2454
2455// Assert that the enclosing bracket ranges around the selection match the pairs indicated by the marked text in `range_markers`
2456fn assert_bracket_pairs(
2457 selection_text: &'static str,
2458 bracket_pair_texts: Vec<&'static str>,
2459 language: Language,
2460 cx: &mut AppContext,
2461) {
2462 let (expected_text, selection_ranges) = marked_text_ranges(selection_text, false);
2463 let buffer = cx.new_model(|cx| {
2464 Buffer::new(0, cx.entity_id().as_u64(), expected_text.clone())
2465 .with_language(Arc::new(language), cx)
2466 });
2467 let buffer = buffer.update(cx, |buffer, _cx| buffer.snapshot());
2468
2469 let selection_range = selection_ranges[0].clone();
2470
2471 let bracket_pairs = bracket_pair_texts
2472 .into_iter()
2473 .map(|pair_text| {
2474 let (bracket_text, ranges) = marked_text_ranges(pair_text, false);
2475 assert_eq!(bracket_text, expected_text);
2476 (ranges[0].clone(), ranges[1].clone())
2477 })
2478 .collect::<Vec<_>>();
2479
2480 assert_set_eq!(
2481 buffer.bracket_ranges(selection_range).collect::<Vec<_>>(),
2482 bracket_pairs
2483 );
2484}
2485
2486fn init_settings(cx: &mut AppContext, f: fn(&mut AllLanguageSettingsContent)) {
2487 let settings_store = SettingsStore::test(cx);
2488 cx.set_global(settings_store);
2489 crate::init(cx);
2490 cx.update_global::<SettingsStore, _>(|settings, cx| {
2491 settings.update_user_settings::<AllLanguageSettings>(cx, f);
2492 });
2493}