add tests

crates/core/src/blob/tree.rs

@@ -1,5 +1,4 @@
 use std::{
-    borrow::Cow,
     cmp::Ordering,
     collections::{BTreeMap, BTreeSet, BinaryHeap},
     mem,
@@ -13,7 +12,7 @@ use ignore::overrides::{Override, OverrideBuilder};
 use ignore::Match;
 use serde::{Deserialize, Deserializer};
 use serde_derive::Serialize;
-use typed_path::{Component, TypedPath, UnixPath, UnixPathBuf, WindowsComponent, WindowsPrefix};
+use typed_path::{Component, UnixPath, UnixPathBuf};
 
 use crate::{
     backend::{
@@ -396,45 +395,6 @@ pub struct FindMatches {
     pub matches: Vec<Vec<(usize, usize)>>,
 }
 
-/// Converts a [`TypedPath`] to an [`Cow<UnixPath>`].
-///
-/// # Arguments
-///
-/// * `p` - The component to convert.
-///
-/// # Errors
-///
-/// * If the component is a current or parent directory.
-/// * If the component is not UTF-8 conform.
-pub(crate) fn typed_path_to_unix_path<'a>(p: &'a TypedPath<'_>) -> Cow<'a, UnixPath> {
-    match p {
-        TypedPath::Unix(path) => Cow::Borrowed(path),
-        TypedPath::Windows(path) => {
-            let mut unix_path = UnixPathBuf::new();
-            for c in path.with_windows_encoding().components() {
-                match c {
-                    WindowsComponent::Prefix(p) => match p.kind() {
-                        WindowsPrefix::Verbatim(p) | WindowsPrefix::DeviceNS(p) => {
-                            unix_path.push(p);
-                        }
-                        WindowsPrefix::VerbatimUNC(_, q) | WindowsPrefix::UNC(_, q) => {
-                            unix_path.push(q);
-                        }
-                        WindowsPrefix::VerbatimDisk(p) | WindowsPrefix::Disk(p) => {
-                            let c = vec![p];
-                            unix_path.push(&c);
-                        }
-                    },
-                    c => {
-                        unix_path.push(c);
-                    }
-                }
-            }
-            Cow::Owned(unix_path)
-        }
-    }
-}
-
 impl IntoIterator for Tree {
     type Item = Node;
     type IntoIter = std::vec::IntoIter<Node>;

crates/core/src/util.rs

@@ -1,7 +1,12 @@
 /// Utilities for handling paths on ``rustic_core``
+use std::borrow::Cow;
+
 use globset::GlobMatcher;
 use serde::{Serialize, Serializer};
-use typed_path::{UnixPath, UnixPathBuf};
+use typed_path::{
+    Component, TypedPath, UnixComponent, UnixPath, UnixPathBuf, WindowsComponent, WindowsPath,
+    WindowsPrefix,
+};
 
 /// Extend `globset::GlobMatcher` to allow mathing on unix paths (on every platform)
 pub trait GlobMatcherExt {
@@ -43,3 +48,88 @@ where
     let s = format!("{}", path.display());
     serializer.serialize_str(&s)
 }
+
+/// Converts a [`TypedPath`] to an [`Cow<UnixPath>`].
+///
+/// # Arguments
+///
+/// * `path` - The path to convert.
+#[must_use]
+pub fn typed_path_to_unix_path<'a>(path: &'a TypedPath<'_>) -> Cow<'a, UnixPath> {
+    match path {
+        TypedPath::Unix(p) => Cow::Borrowed(p),
+        TypedPath::Windows(p) => Cow::Owned(windows_path_to_unix_path(p)),
+    }
+}
+
+/// Converts a [`WindowsPath`] to a [`UnixPathBuf`].
+///
+/// # Arguments
+///
+/// * `path` - The path to convert.
+#[must_use]
+pub fn windows_path_to_unix_path(path: &WindowsPath) -> UnixPathBuf {
+    let mut unix_path = UnixPathBuf::new();
+    let mut components = path.components();
+    if let Some(c) = components.next() {
+        match c {
+            WindowsComponent::Prefix(p) => {
+                unix_path.push(UnixComponent::RootDir);
+                match p.kind() {
+                    WindowsPrefix::Verbatim(p) | WindowsPrefix::DeviceNS(p) => {
+                        unix_path.push(p);
+                    }
+                    WindowsPrefix::VerbatimUNC(_, q) | WindowsPrefix::UNC(_, q) => {
+                        unix_path.push(q);
+                    }
+                    WindowsPrefix::VerbatimDisk(p) | WindowsPrefix::Disk(p) => {
+                        let c = vec![p];
+                        unix_path.push(&c);
+                    }
+                }
+                // remove RootDir from iterator
+                _ = components.next();
+            }
+            WindowsComponent::RootDir => {
+                unix_path.push(UnixComponent::RootDir);
+            }
+            c => {
+                unix_path.push(c.as_bytes());
+            }
+        }
+    }
+    for c in components {
+        match c {
+            WindowsComponent::RootDir => {
+                unix_path.push(UnixComponent::RootDir);
+            }
+            c => {
+                unix_path.push(c);
+            }
+        }
+    }
+    unix_path
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+    use rstest::rstest;
+    #[rstest]
+    #[case("/", "/")]
+    #[case(r#"\"#, "/")]
+    #[case("/test/test2", "/test/test2")]
+    #[case(r#"\test\test2"#, "/test/test2")]
+    #[case(r#"C:\"#, "/C")]
+    #[case(r#"C:\dir"#, "/C/dir")]
+    #[case(r#"a\b\"#, "a/b")]
+    #[case(r#"a\b\c"#, "a/b/c")]
+    fn test_typed_path_to_unix_path(#[case] windows_path: &str, #[case] unix_path: &str) {
+        assert_eq!(
+            windows_path_to_unix_path(WindowsPath::new(windows_path))
+                .to_str()
+                .unwrap(),
+            UnixPath::new(unix_path).to_str().unwrap()
+        );
+    }
+}