first pass of merging in warp (doesn't build)

app/src/warp_managed_paths_watcher_tests.rs

@@ -0,0 +1,89 @@
+use std::collections::{HashMap, HashSet};
+use std::path::PathBuf;
+
+use dirs::home_dir;
+use repo_metadata::{RepositoryUpdate, TargetFile};
+
+use super::{
+    filter_repository_update_by_prefix, warp_home_mcp_config_file_path, warp_home_skills_dir,
+    warp_managed_mcp_config_path, warp_managed_skill_dirs,
+};
+
+#[test]
+fn warp_managed_skill_dirs_contains_only_warp_home_path() {
+    let dirs = warp_managed_skill_dirs();
+    match warp_home_skills_dir() {
+        Some(warp_home_skills_dir) => assert_eq!(dirs, vec![warp_home_skills_dir]),
+        None => assert!(dirs.is_empty()),
+    }
+}
+
+#[test]
+fn warp_managed_mcp_config_path_contains_only_warp_home_path() {
+    match (
+        home_dir(),
+        warp_home_mcp_config_file_path(),
+        warp_managed_mcp_config_path(),
+    ) {
+        (Some(home_dir), Some(warp_home_mcp_config_path), Some(path)) => {
+            assert_eq!(path.root_path, home_dir);
+            assert_eq!(path.config_path, warp_home_mcp_config_path);
+        }
+        (_, _, None) => {}
+        _ => panic!("Expected Warp MCP path when home directory is available"),
+    }
+}
+
+#[test]
+fn filter_repository_update_by_prefix_keeps_only_matching_paths() {
+    let skills_dir = PathBuf::from("/tmp/.warp-local/skills");
+    let other_dir = PathBuf::from("/tmp/.warp-local/worktrees/repo");
+    let skill_file = skills_dir.join("deploy").join("SKILL.md");
+    let other_file = other_dir.join("README.md");
+
+    let update = RepositoryUpdate {
+        added: HashSet::from([
+            TargetFile::new(skill_file.clone(), false),
+            TargetFile::new(other_file.clone(), false),
+        ]),
+        modified: HashSet::new(),
+        deleted: HashSet::new(),
+        moved: HashMap::new(),
+        commit_updated: false,
+        index_lock_detected: false,
+        remote_ref_updated: false,
+    };
+
+    let filtered =
+        filter_repository_update_by_prefix(&update, &skills_dir).expect("expected update");
+
+    assert!(filtered.contains_added_or_modified(&TargetFile::new(skill_file, false)));
+    assert!(!filtered.contains_added_or_modified(&TargetFile::new(other_file, false)));
+}
+
+#[test]
+fn filter_repository_update_by_prefix_converts_cross_boundary_moves() {
+    let skills_dir = PathBuf::from("/tmp/.warp-local/skills");
+    let skill_file = skills_dir.join("deploy").join("SKILL.md");
+    let ignored_file = PathBuf::from("/tmp/.warp-local/worktrees/repo/SKILL.md");
+
+    let update = RepositoryUpdate {
+        added: HashSet::new(),
+        modified: HashSet::new(),
+        deleted: HashSet::new(),
+        moved: HashMap::from([(
+            TargetFile::new(skill_file.clone(), false),
+            TargetFile::new(ignored_file, false),
+        )]),
+        commit_updated: false,
+        index_lock_detected: false,
+        remote_ref_updated: false,
+    };
+
+    let filtered =
+        filter_repository_update_by_prefix(&update, &skills_dir).expect("expected update");
+
+    assert!(filtered.contains_added_or_modified(&TargetFile::new(skill_file, false)));
+    assert!(filtered.moved.is_empty());
+    assert!(filtered.deleted.is_empty());
+}