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Add unit test to verify basic properties of the SuggestionMap

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This commit is contained in:
Antonio Scandurra 2023-03-21 08:29:33 +01:00
parent 3edf83cb99
commit 1a9dbfa86a
1 changed files with 47 additions and 1 deletions
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48
crates/editor/src/display_map/suggestion_map.rs
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@ -131,7 +131,7 @@ impl SuggestionMap {
let start = fold_edit.new.start;
let end = FoldOffset(start.0 + fold_edit.old_len().0);
if let Some(suggestion) = snapshot.suggestion.as_mut() {
if end < suggestion.position {
if end <= suggestion.position {
suggestion.position.0 += fold_edit.new_len().0;
suggestion.position.0 -= fold_edit.old_len().0;
} else if start > suggestion.position {
@ -345,6 +345,52 @@ mod tests {
use settings::Settings;
use std::env;
#[gpui::test]
fn test_basic(cx: &mut MutableAppContext) {
let buffer = MultiBuffer::build_simple("abcdefghi", cx);
let buffer_edits = buffer.update(cx, |buffer, _| buffer.subscribe());
let (mut fold_map, fold_snapshot) = FoldMap::new(buffer.read(cx).snapshot(cx));
let (suggestion_map, suggestion_snapshot) = SuggestionMap::new(fold_snapshot.clone());
assert_eq!(suggestion_snapshot.text(), "abcdefghi");
let (suggestion_snapshot, _) = suggestion_map.replace(
Some(Suggestion {
position: 3,
text: "123\n456".into(),
highlight_style: Default::default(),
}),
fold_snapshot,
Default::default(),
);
assert_eq!(suggestion_snapshot.text(), "abc123\n456defghi");
buffer.update(cx, |buffer, cx| {
buffer.edit(
[(0..0, "ABC"), (3..3, "DEF"), (4..4, "GHI"), (9..9, "JKL")],
None,
cx,
)
});
let (fold_snapshot, fold_edits) = fold_map.read(
buffer.read(cx).snapshot(cx),
buffer_edits.consume().into_inner(),
);
let (suggestion_snapshot, _) = suggestion_map.sync(fold_snapshot.clone(), fold_edits);
assert_eq!(suggestion_snapshot.text(), "ABCabcDEF123\n456dGHIefghiJKL");
let (mut fold_map_writer, _, _) =
fold_map.write(buffer.read(cx).snapshot(cx), Default::default());
let (fold_snapshot, fold_edits) = fold_map_writer.fold([0..3]);
let (suggestion_snapshot, _) = suggestion_map.sync(fold_snapshot, fold_edits);
assert_eq!(suggestion_snapshot.text(), "⋯abcDEF123\n456dGHIefghiJKL");
let (mut fold_map_writer, _, _) =
fold_map.write(buffer.read(cx).snapshot(cx), Default::default());
let (fold_snapshot, fold_edits) = fold_map_writer.fold([6..10]);
let (suggestion_snapshot, _) = suggestion_map.sync(fold_snapshot, fold_edits);
assert_eq!(suggestion_snapshot.text(), "⋯abc⋯GHIefghiJKL");
}
#[gpui::test(iterations = 100)]
fn test_random_suggestions(cx: &mut MutableAppContext, mut rng: StdRng) {
cx.set_global(Settings::test(cx));