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[vfs] Don't confuse paths with source roots that have the same prefix

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This commit is contained in:
Wilfred Hughes 2024-04-05 15:40:43 -07:00
parent 7a8374c162
commit b03844d786
2 changed files with 27 additions and 0 deletions
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23
crates/vfs/src/file_set/tests.rs
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@ -40,3 +40,26 @@ fn name_prefix() {
let partition = file_set.partition(&vfs).into_iter().map(|it| it.len()).collect::<Vec<_>>();
assert_eq!(partition, vec![1, 1, 0]);
}
/// Ensure that we don't consider `/foo/bar_baz.rs` to be in the
/// `/foo/bar/` root.
#[test]
fn name_prefix_partially_matches() {
let mut file_set = FileSetConfig::builder();
file_set.add_file_set(vec![VfsPath::new_virtual_path("/foo".into())]);
file_set.add_file_set(vec![VfsPath::new_virtual_path("/foo/bar".into())]);
let file_set = file_set.build();
let mut vfs = Vfs::default();
// These two are both in /foo.
vfs.set_file_contents(VfsPath::new_virtual_path("/foo/lib.rs".into()), Some(Vec::new()));
vfs.set_file_contents(VfsPath::new_virtual_path("/foo/bar_baz.rs".into()), Some(Vec::new()));
// Only this file is in /foo/bar.
vfs.set_file_contents(VfsPath::new_virtual_path("/foo/bar/biz.rs".into()), Some(Vec::new()));
let partition = file_set.partition(&vfs).into_iter().map(|it| it.len()).collect::<Vec<_>>();
assert_eq!(partition, vec![2, 1, 0]);
}