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Add VirtualPath tests

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This commit is contained in:
Kirill Bulatov 2020-09-08 02:42:45 +03:00
parent a7d75463c7
commit f4ee885b3b
1 changed files with 38 additions and 3 deletions
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41
crates/vfs/src/vfs_path.rs
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@ -290,9 +290,10 @@ impl VirtualPath {
// FIXME: Currently VirtualPath does is unable to distinguish a directory from a file // FIXME: Currently VirtualPath does is unable to distinguish a directory from a file
// hence this method will return `Some("directory_name", None)` for a directory // hence this method will return `Some("directory_name", None)` for a directory
pub fn file_name_and_extension(&self) -> Option<(&str, Option<&str>)> { pub fn file_name_and_extension(&self) -> Option<(&str, Option<&str>)> {
let file_name = match self.0.rfind('/') { let file_path = if self.0.ends_with('/') { &self.0[..&self.0.len() - 1] } else { &self.0 };
Some(position) => &self.0[position + 1..], let file_name = match file_path.rfind('/') {
None => &self.0, Some(position) => &file_path[position + 1..],
None => file_path,
}; };
if file_name.is_empty() { if file_name.is_empty() {
@ -310,3 +311,37 @@ impl VirtualPath {
} }
} }
} }
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn virtual_path_extensions() {
assert_eq!(VirtualPath("/".to_string()).file_name_and_extension(), None);
assert_eq!(
VirtualPath("/directory".to_string()).file_name_and_extension(),
Some(("directory", None))
);
assert_eq!(
VirtualPath("/directory/".to_string()).file_name_and_extension(),
Some(("directory", None))
);
assert_eq!(
VirtualPath("/directory/file".to_string()).file_name_and_extension(),
Some(("file", None))
);
assert_eq!(
VirtualPath("/directory/.file".to_string()).file_name_and_extension(),
Some((".file", None))
);
assert_eq!(
VirtualPath("/directory/.file.rs".to_string()).file_name_and_extension(),
Some((".file", Some("rs")))
);
assert_eq!(
VirtualPath("/directory/file.rs".to_string()).file_name_and_extension(),
Some(("file", Some("rs")))
);
}
}