app: add storage commands/queries + missing in-memory test repos

crates/application/tests/storage/commands/register_library_path.rs

@@ -0,0 +1,47 @@
+use std::sync::Arc;
+use application::testing::{InMemoryStorageVolumeRepository, InMemoryLibraryPathRepository};
+use application::storage::{RegisterVolumeCommand, RegisterVolumeHandler, RegisterLibraryPathCommand, RegisterLibraryPathHandler};
+use domain::errors::DomainError;
+use domain::value_objects::SystemId;
+
+#[tokio::test]
+async fn creates_path() {
+    let vol_repo = Arc::new(InMemoryStorageVolumeRepository::new());
+    let path_repo = Arc::new(InMemoryLibraryPathRepository::new());
+
+    let vol_handler = RegisterVolumeHandler::new(vol_repo.clone());
+    let vol = vol_handler.execute(RegisterVolumeCommand {
+        volume_name: "main".into(),
+        uri_prefix: "file:///data".into(),
+        is_writable: true,
+    }).await.unwrap();
+
+    let handler = RegisterLibraryPathHandler::new(vol_repo, path_repo);
+    let owner = SystemId::new();
+    let path = handler.execute(RegisterLibraryPathCommand {
+        volume_id: vol.volume_id,
+        relative_path: "photos/inbox".into(),
+        owner_id: owner,
+        is_ingest_destination: true,
+    }).await.unwrap();
+
+    assert_eq!(path.volume_id, vol.volume_id);
+    assert_eq!(path.relative_path, "photos/inbox");
+    assert!(path.is_ingest_destination);
+    assert_eq!(path.designated_owner_id, Some(owner));
+}
+
+#[tokio::test]
+async fn rejects_nonexistent_volume() {
+    let vol_repo = Arc::new(InMemoryStorageVolumeRepository::new());
+    let path_repo = Arc::new(InMemoryLibraryPathRepository::new());
+    let handler = RegisterLibraryPathHandler::new(vol_repo, path_repo);
+
+    let result = handler.execute(RegisterLibraryPathCommand {
+        volume_id: SystemId::new(),
+        relative_path: "photos/inbox".into(),
+        owner_id: SystemId::new(),
+        is_ingest_destination: true,
+    }).await;
+    assert!(matches!(result, Err(DomainError::NotFound(_))));
+}