Extract rollout into its own crate (#15548)

codex-rs/utils/path-utils/src/path_utils_tests.rs

@@ -0,0 +1,78 @@
+#[cfg(unix)]
+mod symlinks {
+    use super::super::resolve_symlink_write_paths;
+    use pretty_assertions::assert_eq;
+    use std::os::unix::fs::symlink;
+
+    #[test]
+    fn symlink_cycles_fall_back_to_root_write_path() -> std::io::Result<()> {
+        let dir = tempfile::tempdir()?;
+        let a = dir.path().join("a");
+        let b = dir.path().join("b");
+
+        symlink(&b, &a)?;
+        symlink(&a, &b)?;
+
+        let resolved = resolve_symlink_write_paths(&a)?;
+
+        assert_eq!(resolved.read_path, None);
+        assert_eq!(resolved.write_path, a);
+        Ok(())
+    }
+}
+
+#[cfg(target_os = "linux")]
+mod wsl {
+    use super::super::normalize_for_wsl_with_flag;
+    use pretty_assertions::assert_eq;
+    use std::path::PathBuf;
+
+    #[test]
+    fn wsl_mnt_drive_paths_lowercase() {
+        let normalized = normalize_for_wsl_with_flag(PathBuf::from("/mnt/C/Users/Dev"), true);
+
+        assert_eq!(normalized, PathBuf::from("/mnt/c/users/dev"));
+    }
+
+    #[test]
+    fn wsl_non_drive_paths_unchanged() {
+        let path = PathBuf::from("/mnt/cc/Users/Dev");
+        let normalized = normalize_for_wsl_with_flag(path.clone(), true);
+
+        assert_eq!(normalized, path);
+    }
+
+    #[test]
+    fn wsl_non_mnt_paths_unchanged() {
+        let path = PathBuf::from("/home/Dev");
+        let normalized = normalize_for_wsl_with_flag(path.clone(), true);
+
+        assert_eq!(normalized, path);
+    }
+}
+
+mod native_workdir {
+    use super::super::normalize_for_native_workdir_with_flag;
+    use pretty_assertions::assert_eq;
+    use std::path::PathBuf;
+
+    #[cfg(target_os = "windows")]
+    #[test]
+    fn windows_verbatim_paths_are_simplified() {
+        let path = PathBuf::from(r"\\?\D:\c\x\worktrees\2508\swift-base");
+        let normalized = normalize_for_native_workdir_with_flag(path, true);
+
+        assert_eq!(
+            normalized,
+            PathBuf::from(r"D:\c\x\worktrees\2508\swift-base")
+        );
+    }
+
+    #[test]
+    fn non_windows_paths_are_unchanged() {
+        let path = PathBuf::from(r"\\?\D:\c\x\worktrees\2508\swift-base");
+        let normalized = normalize_for_native_workdir_with_flag(path.clone(), false);
+
+        assert_eq!(normalized, path);
+    }
+}