1use super::*;
2use crate::language_settings::{
3 AllLanguageSettings, AllLanguageSettingsContent, LanguageSettingsContent,
4};
5use crate::Buffer;
6use clock::ReplicaId;
7use collections::BTreeMap;
8use gpui2::{AppContext, Handle};
9use gpui2::{Context, TestAppContext};
10use indoc::indoc;
11use proto::deserialize_operation;
12use rand::prelude::*;
13use regex::RegexBuilder;
14use settings2::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#[gpui2::test]
42fn test_line_endings(cx: &mut gpui2::AppContext) {
43 init_settings(cx, |_| {});
44
45 cx.entity(|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#[gpui2::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#[gpui2::test]
136fn test_edit_events(cx: &mut gpui2::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.entity(|cx| Buffer::new(0, cx.entity_id().as_u64(), "abcdef"));
142 let buffer2 = cx.entity(|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#[gpui2::test]
219async fn test_apply_diff(cx: &mut TestAppContext) {
220 let text = "a\nbb\nccc\ndddd\neeeee\nffffff\n";
221 let buffer = cx.entity(|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#[gpui2::test(iterations = 10)]
242async fn test_normalize_whitespace(cx: &mut gpui2::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.entity(|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#[gpui2::test]
315async fn test_reparse(cx: &mut gpui2::TestAppContext) {
316 let text = "fn a() {}";
317 let buffer = cx.entity(|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#[gpui2::test]
444async fn test_resetting_language(cx: &mut gpui2::TestAppContext) {
445 let buffer = cx.entity(|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#[gpui2::test]
467async fn test_outline(cx: &mut gpui2::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.entity(|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 gpui2::TestAppContext,
560 ) -> Vec<(&'a str, Vec<usize>)> {
561 let matches = cx
562 .update(|cx| outline.search(query, cx.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#[gpui2::test]
572async fn test_outline_nodes_with_newlines(cx: &mut gpui2::TestAppContext) {
573 let text = r#"
574 impl A for B<
575 C
576 > {
577 };
578 "#
579 .unindent();
580
581 let buffer = cx.entity(|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#[gpui2::test]
599async fn test_outline_with_extra_context(cx: &mut gpui2::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.entity(|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#[gpui2::test]
647async fn test_symbols_containing(cx: &mut gpui2::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.entity(|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#[gpui2::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#[gpui2::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#[gpui2::test]
883fn test_range_for_syntax_ancestor(cx: &mut AppContext) {
884 cx.entity(|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#[gpui2::test]
922fn test_autoindent_with_soft_tabs(cx: &mut AppContext) {
923 init_settings(cx, |_| {});
924
925 cx.entity(|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#[gpui2::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.entity(|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#[gpui2::test]
1006fn test_autoindent_does_not_adjust_lines_with_unchanged_suggestion(cx: &mut AppContext) {
1007 init_settings(cx, |_| {});
1008
1009 cx.entity(|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.entity(|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#[gpui2::test]
1147fn test_autoindent_does_not_adjust_lines_within_newly_created_errors(cx: &mut AppContext) {
1148 init_settings(cx, |_| {});
1149
1150 cx.entity(|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#[gpui2::test]
1209fn test_autoindent_adjusts_lines_when_only_text_changes(cx: &mut AppContext) {
1210 init_settings(cx, |_| {});
1211
1212 cx.entity(|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#[gpui2::test]
1266fn test_autoindent_with_edit_at_end_of_buffer(cx: &mut AppContext) {
1267 init_settings(cx, |_| {});
1268
1269 cx.entity(|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#[gpui2::test]
1284fn test_autoindent_multi_line_insertion(cx: &mut AppContext) {
1285 init_settings(cx, |_| {});
1286
1287 cx.entity(|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#[gpui2::test]
1326fn test_autoindent_block_mode(cx: &mut AppContext) {
1327 init_settings(cx, |_| {});
1328
1329 cx.entity(|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#[gpui2::test]
1410fn test_autoindent_block_mode_without_original_indent_columns(cx: &mut AppContext) {
1411 init_settings(cx, |_| {});
1412
1413 cx.entity(|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#[gpui2::test]
1490fn test_autoindent_language_without_indents_query(cx: &mut AppContext) {
1491 init_settings(cx, |_| {});
1492
1493 cx.entity(|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#[gpui2::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.entity(|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#[gpui2::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.entity(|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#[gpui2::test]
1653fn test_language_scope_at_with_javascript(cx: &mut AppContext) {
1654 init_settings(cx, |_| {});
1655
1656 cx.entity(|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 )
1701 .unwrap();
1702
1703 let text = r#"a["b"] = <C d="e"></C>;"#;
1704
1705 let buffer =
1706 Buffer::new(0, cx.entity_id().as_u64(), text).with_language(Arc::new(language), cx);
1707 let snapshot = buffer.snapshot();
1708
1709 let config = snapshot.language_scope_at(0).unwrap();
1710 assert_eq!(config.line_comment_prefix().unwrap().as_ref(), "// ");
1711 // Both bracket pairs are enabled
1712 assert_eq!(
1713 config.brackets().map(|e| e.1).collect::<Vec<_>>(),
1714 &[true, true]
1715 );
1716
1717 let string_config = snapshot.language_scope_at(3).unwrap();
1718 assert_eq!(string_config.line_comment_prefix().unwrap().as_ref(), "// ");
1719 // Second bracket pair is disabled
1720 assert_eq!(
1721 string_config.brackets().map(|e| e.1).collect::<Vec<_>>(),
1722 &[true, false]
1723 );
1724
1725 let element_config = snapshot.language_scope_at(10).unwrap();
1726 assert_eq!(element_config.line_comment_prefix(), None);
1727 assert_eq!(
1728 element_config.block_comment_delimiters(),
1729 Some((&"{/*".into(), &"*/}".into()))
1730 );
1731 // Both bracket pairs are enabled
1732 assert_eq!(
1733 element_config.brackets().map(|e| e.1).collect::<Vec<_>>(),
1734 &[true, true]
1735 );
1736
1737 buffer
1738 });
1739}
1740
1741#[gpui2::test]
1742fn test_language_scope_at_with_rust(cx: &mut AppContext) {
1743 init_settings(cx, |_| {});
1744
1745 cx.entity(|cx| {
1746 let language = Language::new(
1747 LanguageConfig {
1748 name: "Rust".into(),
1749 brackets: BracketPairConfig {
1750 pairs: vec![
1751 BracketPair {
1752 start: "{".into(),
1753 end: "}".into(),
1754 close: true,
1755 newline: false,
1756 },
1757 BracketPair {
1758 start: "'".into(),
1759 end: "'".into(),
1760 close: true,
1761 newline: false,
1762 },
1763 ],
1764 disabled_scopes_by_bracket_ix: vec![
1765 Vec::new(), //
1766 vec!["string".into()],
1767 ],
1768 },
1769 ..Default::default()
1770 },
1771 Some(tree_sitter_rust::language()),
1772 )
1773 .with_override_query(
1774 r#"
1775 (string_literal) @string
1776 "#,
1777 )
1778 .unwrap();
1779
1780 let text = r#"
1781 const S: &'static str = "hello";
1782 "#
1783 .unindent();
1784
1785 let buffer = Buffer::new(0, cx.entity_id().as_u64(), text.clone())
1786 .with_language(Arc::new(language), cx);
1787 let snapshot = buffer.snapshot();
1788
1789 // By default, all brackets are enabled
1790 let config = snapshot.language_scope_at(0).unwrap();
1791 assert_eq!(
1792 config.brackets().map(|e| e.1).collect::<Vec<_>>(),
1793 &[true, true]
1794 );
1795
1796 // Within a string, the quotation brackets are disabled.
1797 let string_config = snapshot
1798 .language_scope_at(text.find("ello").unwrap())
1799 .unwrap();
1800 assert_eq!(
1801 string_config.brackets().map(|e| e.1).collect::<Vec<_>>(),
1802 &[true, false]
1803 );
1804
1805 buffer
1806 });
1807}
1808
1809#[gpui2::test]
1810fn test_language_scope_at_with_combined_injections(cx: &mut AppContext) {
1811 init_settings(cx, |_| {});
1812
1813 cx.entity(|cx| {
1814 let text = r#"
1815 <ol>
1816 <% people.each do |person| %>
1817 <li>
1818 <%= person.name %>
1819 </li>
1820 <% end %>
1821 </ol>
1822 "#
1823 .unindent();
1824
1825 let language_registry = Arc::new(LanguageRegistry::test());
1826 language_registry.add(Arc::new(ruby_lang()));
1827 language_registry.add(Arc::new(html_lang()));
1828 language_registry.add(Arc::new(erb_lang()));
1829
1830 let mut buffer = Buffer::new(0, cx.entity_id().as_u64(), text);
1831 buffer.set_language_registry(language_registry.clone());
1832 buffer.set_language(
1833 language_registry
1834 .language_for_name("ERB")
1835 .now_or_never()
1836 .unwrap()
1837 .ok(),
1838 cx,
1839 );
1840
1841 let snapshot = buffer.snapshot();
1842 let html_config = snapshot.language_scope_at(Point::new(2, 4)).unwrap();
1843 assert_eq!(html_config.line_comment_prefix(), None);
1844 assert_eq!(
1845 html_config.block_comment_delimiters(),
1846 Some((&"<!--".into(), &"-->".into()))
1847 );
1848
1849 let ruby_config = snapshot.language_scope_at(Point::new(3, 12)).unwrap();
1850 assert_eq!(ruby_config.line_comment_prefix().unwrap().as_ref(), "# ");
1851 assert_eq!(ruby_config.block_comment_delimiters(), None);
1852
1853 buffer
1854 });
1855}
1856
1857#[gpui2::test]
1858fn test_serialization(cx: &mut gpui2::AppContext) {
1859 let mut now = Instant::now();
1860
1861 let buffer1 = cx.entity(|cx| {
1862 let mut buffer = Buffer::new(0, cx.entity_id().as_u64(), "abc");
1863 buffer.edit([(3..3, "D")], None, cx);
1864
1865 now += Duration::from_secs(1);
1866 buffer.start_transaction_at(now);
1867 buffer.edit([(4..4, "E")], None, cx);
1868 buffer.end_transaction_at(now, cx);
1869 assert_eq!(buffer.text(), "abcDE");
1870
1871 buffer.undo(cx);
1872 assert_eq!(buffer.text(), "abcD");
1873
1874 buffer.edit([(4..4, "F")], None, cx);
1875 assert_eq!(buffer.text(), "abcDF");
1876 buffer
1877 });
1878 assert_eq!(buffer1.read(cx).text(), "abcDF");
1879
1880 let state = buffer1.read(cx).to_proto();
1881 let ops = cx
1882 .executor()
1883 .block(buffer1.read(cx).serialize_ops(None, cx));
1884 let buffer2 = cx.entity(|cx| {
1885 let mut buffer = Buffer::from_proto(1, state, None).unwrap();
1886 buffer
1887 .apply_ops(
1888 ops.into_iter()
1889 .map(|op| proto::deserialize_operation(op).unwrap()),
1890 cx,
1891 )
1892 .unwrap();
1893 buffer
1894 });
1895 assert_eq!(buffer2.read(cx).text(), "abcDF");
1896}
1897
1898#[gpui2::test(iterations = 100)]
1899fn test_random_collaboration(cx: &mut AppContext, mut rng: StdRng) {
1900 let min_peers = env::var("MIN_PEERS")
1901 .map(|i| i.parse().expect("invalid `MIN_PEERS` variable"))
1902 .unwrap_or(1);
1903 let max_peers = env::var("MAX_PEERS")
1904 .map(|i| i.parse().expect("invalid `MAX_PEERS` variable"))
1905 .unwrap_or(5);
1906 let operations = env::var("OPERATIONS")
1907 .map(|i| i.parse().expect("invalid `OPERATIONS` variable"))
1908 .unwrap_or(10);
1909
1910 let base_text_len = rng.gen_range(0..10);
1911 let base_text = RandomCharIter::new(&mut rng)
1912 .take(base_text_len)
1913 .collect::<String>();
1914 let mut replica_ids = Vec::new();
1915 let mut buffers = Vec::new();
1916 let network = Arc::new(Mutex::new(Network::new(rng.clone())));
1917 let base_buffer = cx.entity(|cx| Buffer::new(0, cx.entity_id().as_u64(), base_text.as_str()));
1918
1919 for i in 0..rng.gen_range(min_peers..=max_peers) {
1920 let buffer = cx.entity(|cx| {
1921 let state = base_buffer.read(cx).to_proto();
1922 let ops = cx
1923 .executor()
1924 .block(base_buffer.read(cx).serialize_ops(None, cx));
1925 let mut buffer = Buffer::from_proto(i as ReplicaId, state, None).unwrap();
1926 buffer
1927 .apply_ops(
1928 ops.into_iter()
1929 .map(|op| proto::deserialize_operation(op).unwrap()),
1930 cx,
1931 )
1932 .unwrap();
1933 buffer.set_group_interval(Duration::from_millis(rng.gen_range(0..=200)));
1934 let network = network.clone();
1935 cx.subscribe(&cx.handle(), move |buffer, _, event, _| {
1936 if let Event::Operation(op) = event {
1937 network
1938 .lock()
1939 .broadcast(buffer.replica_id(), vec![proto::serialize_operation(op)]);
1940 }
1941 })
1942 .detach();
1943 buffer
1944 });
1945 buffers.push(buffer);
1946 replica_ids.push(i as ReplicaId);
1947 network.lock().add_peer(i as ReplicaId);
1948 log::info!("Adding initial peer with replica id {}", i);
1949 }
1950
1951 log::info!("initial text: {:?}", base_text);
1952
1953 let mut now = Instant::now();
1954 let mut mutation_count = operations;
1955 let mut next_diagnostic_id = 0;
1956 let mut active_selections = BTreeMap::default();
1957 loop {
1958 let replica_index = rng.gen_range(0..replica_ids.len());
1959 let replica_id = replica_ids[replica_index];
1960 let buffer = &mut buffers[replica_index];
1961 let mut new_buffer = None;
1962 match rng.gen_range(0..100) {
1963 0..=29 if mutation_count != 0 => {
1964 buffer.update(cx, |buffer, cx| {
1965 buffer.start_transaction_at(now);
1966 buffer.randomly_edit(&mut rng, 5, cx);
1967 buffer.end_transaction_at(now, cx);
1968 log::info!("buffer {} text: {:?}", buffer.replica_id(), buffer.text());
1969 });
1970 mutation_count -= 1;
1971 }
1972 30..=39 if mutation_count != 0 => {
1973 buffer.update(cx, |buffer, cx| {
1974 if rng.gen_bool(0.2) {
1975 log::info!("peer {} clearing active selections", replica_id);
1976 active_selections.remove(&replica_id);
1977 buffer.remove_active_selections(cx);
1978 } else {
1979 let mut selections = Vec::new();
1980 for id in 0..rng.gen_range(1..=5) {
1981 let range = buffer.random_byte_range(0, &mut rng);
1982 selections.push(Selection {
1983 id,
1984 start: buffer.anchor_before(range.start),
1985 end: buffer.anchor_before(range.end),
1986 reversed: false,
1987 goal: SelectionGoal::None,
1988 });
1989 }
1990 let selections: Arc<[Selection<Anchor>]> = selections.into();
1991 log::info!(
1992 "peer {} setting active selections: {:?}",
1993 replica_id,
1994 selections
1995 );
1996 active_selections.insert(replica_id, selections.clone());
1997 buffer.set_active_selections(selections, false, Default::default(), cx);
1998 }
1999 });
2000 mutation_count -= 1;
2001 }
2002 40..=49 if mutation_count != 0 && replica_id == 0 => {
2003 let entry_count = rng.gen_range(1..=5);
2004 buffer.update(cx, |buffer, cx| {
2005 let diagnostics = DiagnosticSet::new(
2006 (0..entry_count).map(|_| {
2007 let range = buffer.random_byte_range(0, &mut rng);
2008 let range = range.to_point_utf16(buffer);
2009 let range = range.start..range.end;
2010 DiagnosticEntry {
2011 range,
2012 diagnostic: Diagnostic {
2013 message: post_inc(&mut next_diagnostic_id).to_string(),
2014 ..Default::default()
2015 },
2016 }
2017 }),
2018 buffer,
2019 );
2020 log::info!("peer {} setting diagnostics: {:?}", replica_id, diagnostics);
2021 buffer.update_diagnostics(LanguageServerId(0), diagnostics, cx);
2022 });
2023 mutation_count -= 1;
2024 }
2025 50..=59 if replica_ids.len() < max_peers => {
2026 let old_buffer_state = buffer.read(cx).to_proto();
2027 let old_buffer_ops = cx.executor().block(buffer.read(cx).serialize_ops(None, cx));
2028 let new_replica_id = (0..=replica_ids.len() as ReplicaId)
2029 .filter(|replica_id| *replica_id != buffer.read(cx).replica_id())
2030 .choose(&mut rng)
2031 .unwrap();
2032 log::info!(
2033 "Adding new replica {} (replicating from {})",
2034 new_replica_id,
2035 replica_id
2036 );
2037 new_buffer = Some(cx.entity(|cx| {
2038 let mut new_buffer =
2039 Buffer::from_proto(new_replica_id, old_buffer_state, None).unwrap();
2040 new_buffer
2041 .apply_ops(
2042 old_buffer_ops
2043 .into_iter()
2044 .map(|op| deserialize_operation(op).unwrap()),
2045 cx,
2046 )
2047 .unwrap();
2048 log::info!(
2049 "New replica {} text: {:?}",
2050 new_buffer.replica_id(),
2051 new_buffer.text()
2052 );
2053 new_buffer.set_group_interval(Duration::from_millis(rng.gen_range(0..=200)));
2054 let network = network.clone();
2055 cx.subscribe(&cx.handle(), move |buffer, _, event, _| {
2056 if let Event::Operation(op) = event {
2057 network.lock().broadcast(
2058 buffer.replica_id(),
2059 vec![proto::serialize_operation(op)],
2060 );
2061 }
2062 })
2063 .detach();
2064 new_buffer
2065 }));
2066 network.lock().replicate(replica_id, new_replica_id);
2067
2068 if new_replica_id as usize == replica_ids.len() {
2069 replica_ids.push(new_replica_id);
2070 } else {
2071 let new_buffer = new_buffer.take().unwrap();
2072 while network.lock().has_unreceived(new_replica_id) {
2073 let ops = network
2074 .lock()
2075 .receive(new_replica_id)
2076 .into_iter()
2077 .map(|op| proto::deserialize_operation(op).unwrap());
2078 if ops.len() > 0 {
2079 log::info!(
2080 "peer {} (version: {:?}) applying {} ops from the network. {:?}",
2081 new_replica_id,
2082 buffer.read(cx).version(),
2083 ops.len(),
2084 ops
2085 );
2086 new_buffer.update(cx, |new_buffer, cx| {
2087 new_buffer.apply_ops(ops, cx).unwrap();
2088 });
2089 }
2090 }
2091 buffers[new_replica_id as usize] = new_buffer;
2092 }
2093 }
2094 60..=69 if mutation_count != 0 => {
2095 buffer.update(cx, |buffer, cx| {
2096 buffer.randomly_undo_redo(&mut rng, cx);
2097 log::info!("buffer {} text: {:?}", buffer.replica_id(), buffer.text());
2098 });
2099 mutation_count -= 1;
2100 }
2101 _ if network.lock().has_unreceived(replica_id) => {
2102 let ops = network
2103 .lock()
2104 .receive(replica_id)
2105 .into_iter()
2106 .map(|op| proto::deserialize_operation(op).unwrap());
2107 if ops.len() > 0 {
2108 log::info!(
2109 "peer {} (version: {:?}) applying {} ops from the network. {:?}",
2110 replica_id,
2111 buffer.read(cx).version(),
2112 ops.len(),
2113 ops
2114 );
2115 buffer.update(cx, |buffer, cx| buffer.apply_ops(ops, cx).unwrap());
2116 }
2117 }
2118 _ => {}
2119 }
2120
2121 now += Duration::from_millis(rng.gen_range(0..=200));
2122 buffers.extend(new_buffer);
2123
2124 for buffer in &buffers {
2125 buffer.read(cx).check_invariants();
2126 }
2127
2128 if mutation_count == 0 && network.lock().is_idle() {
2129 break;
2130 }
2131 }
2132
2133 let first_buffer = buffers[0].read(cx).snapshot();
2134 for buffer in &buffers[1..] {
2135 let buffer = buffer.read(cx).snapshot();
2136 assert_eq!(
2137 buffer.version(),
2138 first_buffer.version(),
2139 "Replica {} version != Replica 0 version",
2140 buffer.replica_id()
2141 );
2142 assert_eq!(
2143 buffer.text(),
2144 first_buffer.text(),
2145 "Replica {} text != Replica 0 text",
2146 buffer.replica_id()
2147 );
2148 assert_eq!(
2149 buffer
2150 .diagnostics_in_range::<_, usize>(0..buffer.len(), false)
2151 .collect::<Vec<_>>(),
2152 first_buffer
2153 .diagnostics_in_range::<_, usize>(0..first_buffer.len(), false)
2154 .collect::<Vec<_>>(),
2155 "Replica {} diagnostics != Replica 0 diagnostics",
2156 buffer.replica_id()
2157 );
2158 }
2159
2160 for buffer in &buffers {
2161 let buffer = buffer.read(cx).snapshot();
2162 let actual_remote_selections = buffer
2163 .remote_selections_in_range(Anchor::MIN..Anchor::MAX)
2164 .map(|(replica_id, _, _, selections)| (replica_id, selections.collect::<Vec<_>>()))
2165 .collect::<Vec<_>>();
2166 let expected_remote_selections = active_selections
2167 .iter()
2168 .filter(|(replica_id, _)| **replica_id != buffer.replica_id())
2169 .map(|(replica_id, selections)| (*replica_id, selections.iter().collect::<Vec<_>>()))
2170 .collect::<Vec<_>>();
2171 assert_eq!(
2172 actual_remote_selections,
2173 expected_remote_selections,
2174 "Replica {} remote selections != expected selections",
2175 buffer.replica_id()
2176 );
2177 }
2178}
2179
2180#[test]
2181fn test_contiguous_ranges() {
2182 assert_eq!(
2183 contiguous_ranges([1, 2, 3, 5, 6, 9, 10, 11, 12].into_iter(), 100).collect::<Vec<_>>(),
2184 &[1..4, 5..7, 9..13]
2185 );
2186
2187 // Respects the `max_len` parameter
2188 assert_eq!(
2189 contiguous_ranges(
2190 [2, 3, 4, 5, 6, 7, 8, 9, 23, 24, 25, 26, 30, 31].into_iter(),
2191 3
2192 )
2193 .collect::<Vec<_>>(),
2194 &[2..5, 5..8, 8..10, 23..26, 26..27, 30..32],
2195 );
2196}
2197
2198#[gpui2::test(iterations = 500)]
2199fn test_trailing_whitespace_ranges(mut rng: StdRng) {
2200 // Generate a random multi-line string containing
2201 // some lines with trailing whitespace.
2202 let mut text = String::new();
2203 for _ in 0..rng.gen_range(0..16) {
2204 for _ in 0..rng.gen_range(0..36) {
2205 text.push(match rng.gen_range(0..10) {
2206 0..=1 => ' ',
2207 3 => '\t',
2208 _ => rng.gen_range('a'..'z'),
2209 });
2210 }
2211 text.push('\n');
2212 }
2213
2214 match rng.gen_range(0..10) {
2215 // sometimes remove the last newline
2216 0..=1 => drop(text.pop()), //
2217
2218 // sometimes add extra newlines
2219 2..=3 => text.push_str(&"\n".repeat(rng.gen_range(1..5))),
2220 _ => {}
2221 }
2222
2223 let rope = Rope::from(text.as_str());
2224 let actual_ranges = trailing_whitespace_ranges(&rope);
2225 let expected_ranges = TRAILING_WHITESPACE_REGEX
2226 .find_iter(&text)
2227 .map(|m| m.range())
2228 .collect::<Vec<_>>();
2229 assert_eq!(
2230 actual_ranges,
2231 expected_ranges,
2232 "wrong ranges for text lines:\n{:?}",
2233 text.split("\n").collect::<Vec<_>>()
2234 );
2235}
2236
2237fn ruby_lang() -> Language {
2238 Language::new(
2239 LanguageConfig {
2240 name: "Ruby".into(),
2241 path_suffixes: vec!["rb".to_string()],
2242 line_comment: Some("# ".into()),
2243 ..Default::default()
2244 },
2245 Some(tree_sitter_ruby::language()),
2246 )
2247 .with_indents_query(
2248 r#"
2249 (class "end" @end) @indent
2250 (method "end" @end) @indent
2251 (rescue) @outdent
2252 (then) @indent
2253 "#,
2254 )
2255 .unwrap()
2256}
2257
2258fn html_lang() -> Language {
2259 Language::new(
2260 LanguageConfig {
2261 name: "HTML".into(),
2262 block_comment: Some(("<!--".into(), "-->".into())),
2263 ..Default::default()
2264 },
2265 Some(tree_sitter_html::language()),
2266 )
2267 .with_indents_query(
2268 "
2269 (element
2270 (start_tag) @start
2271 (end_tag)? @end) @indent
2272 ",
2273 )
2274 .unwrap()
2275 .with_injection_query(
2276 r#"
2277 (script_element
2278 (raw_text) @content
2279 (#set! "language" "javascript"))
2280 "#,
2281 )
2282 .unwrap()
2283}
2284
2285fn erb_lang() -> Language {
2286 Language::new(
2287 LanguageConfig {
2288 name: "ERB".into(),
2289 path_suffixes: vec!["erb".to_string()],
2290 block_comment: Some(("<%#".into(), "%>".into())),
2291 ..Default::default()
2292 },
2293 Some(tree_sitter_embedded_template::language()),
2294 )
2295 .with_injection_query(
2296 r#"
2297 (
2298 (code) @content
2299 (#set! "language" "ruby")
2300 (#set! "combined")
2301 )
2302
2303 (
2304 (content) @content
2305 (#set! "language" "html")
2306 (#set! "combined")
2307 )
2308 "#,
2309 )
2310 .unwrap()
2311}
2312
2313fn rust_lang() -> Language {
2314 Language::new(
2315 LanguageConfig {
2316 name: "Rust".into(),
2317 path_suffixes: vec!["rs".to_string()],
2318 ..Default::default()
2319 },
2320 Some(tree_sitter_rust::language()),
2321 )
2322 .with_indents_query(
2323 r#"
2324 (call_expression) @indent
2325 (field_expression) @indent
2326 (_ "(" ")" @end) @indent
2327 (_ "{" "}" @end) @indent
2328 "#,
2329 )
2330 .unwrap()
2331 .with_brackets_query(
2332 r#"
2333 ("{" @open "}" @close)
2334 "#,
2335 )
2336 .unwrap()
2337 .with_outline_query(
2338 r#"
2339 (struct_item
2340 "struct" @context
2341 name: (_) @name) @item
2342 (enum_item
2343 "enum" @context
2344 name: (_) @name) @item
2345 (enum_variant
2346 name: (_) @name) @item
2347 (field_declaration
2348 name: (_) @name) @item
2349 (impl_item
2350 "impl" @context
2351 trait: (_)? @name
2352 "for"? @context
2353 type: (_) @name) @item
2354 (function_item
2355 "fn" @context
2356 name: (_) @name) @item
2357 (mod_item
2358 "mod" @context
2359 name: (_) @name) @item
2360 "#,
2361 )
2362 .unwrap()
2363}
2364
2365fn json_lang() -> Language {
2366 Language::new(
2367 LanguageConfig {
2368 name: "Json".into(),
2369 path_suffixes: vec!["js".to_string()],
2370 ..Default::default()
2371 },
2372 Some(tree_sitter_json::language()),
2373 )
2374}
2375
2376fn javascript_lang() -> Language {
2377 Language::new(
2378 LanguageConfig {
2379 name: "JavaScript".into(),
2380 ..Default::default()
2381 },
2382 Some(tree_sitter_typescript::language_tsx()),
2383 )
2384 .with_brackets_query(
2385 r#"
2386 ("{" @open "}" @close)
2387 ("(" @open ")" @close)
2388 "#,
2389 )
2390 .unwrap()
2391 .with_indents_query(
2392 r#"
2393 (object "}" @end) @indent
2394 "#,
2395 )
2396 .unwrap()
2397}
2398
2399fn get_tree_sexp(buffer: &Handle<Buffer>, cx: &mut gpui2::TestAppContext) -> String {
2400 buffer.update(cx, |buffer, _| {
2401 let snapshot = buffer.snapshot();
2402 let layers = snapshot.syntax.layers(buffer.as_text_snapshot());
2403 layers[0].node().to_sexp()
2404 })
2405}
2406
2407// Assert that the enclosing bracket ranges around the selection match the pairs indicated by the marked text in `range_markers`
2408fn assert_bracket_pairs(
2409 selection_text: &'static str,
2410 bracket_pair_texts: Vec<&'static str>,
2411 language: Language,
2412 cx: &mut AppContext,
2413) {
2414 let (expected_text, selection_ranges) = marked_text_ranges(selection_text, false);
2415 let buffer = cx.entity(|cx| {
2416 Buffer::new(0, cx.entity_id().as_u64(), expected_text.clone())
2417 .with_language(Arc::new(language), cx)
2418 });
2419 let buffer = buffer.update(cx, |buffer, _cx| buffer.snapshot());
2420
2421 let selection_range = selection_ranges[0].clone();
2422
2423 let bracket_pairs = bracket_pair_texts
2424 .into_iter()
2425 .map(|pair_text| {
2426 let (bracket_text, ranges) = marked_text_ranges(pair_text, false);
2427 assert_eq!(bracket_text, expected_text);
2428 (ranges[0].clone(), ranges[1].clone())
2429 })
2430 .collect::<Vec<_>>();
2431
2432 assert_set_eq!(
2433 buffer.bracket_ranges(selection_range).collect::<Vec<_>>(),
2434 bracket_pairs
2435 );
2436}
2437
2438fn init_settings(cx: &mut AppContext, f: fn(&mut AllLanguageSettingsContent)) {
2439 let settings_store = SettingsStore::test(cx);
2440 cx.set_global(settings_store);
2441 crate::init(cx);
2442 cx.update_global::<SettingsStore, _>(|settings, cx| {
2443 settings.update_user_settings::<AllLanguageSettings>(cx, f);
2444 });
2445}