chore: add CLI tests for copy/move/delete operations and a print_session helper function

core/examples/cli.rs

@@ -8,6 +8,43 @@ use noctua_core::document::manager::{DocumentCommand, DocumentManager, DocumentS
 use noctua_core::document::session::SessionKind;
 use std::path::PathBuf;
 
+fn print_session(manager: &DocumentManager, session_name: &str) {
+    if let Some(session) = manager.session(session_name) {
+        println!("Session '{}' ({:?})", session.name, session.kind);
+        println!(
+            "  Items: {}, current_index: {:?}",
+            session.items.len(),
+            session.current_index
+        );
+        for (i, item) in session.items.iter().enumerate() {
+            let marker = if session.current_index == Some(i) {
+                "*"
+            } else {
+                " "
+            };
+            println!(
+                "  [{}] {} (page {})",
+                marker,
+                item.path.display(),
+                item.page_index
+            );
+        }
+    } else {
+        println!("Session '{}' not found", session_name);
+    }
+}
+
+fn handle_command(manager: &mut DocumentManager, command: DocumentCommand) {
+    manager.handle(command);
+    match &manager.state {
+        DocumentState::Error(err) => {
+            eprintln!("Error: {}", err);
+            manager.state = DocumentState::Empty;
+        }
+        _ => {}
+    }
+}
+
 #[derive(Parser, Debug)]
 #[command(
     name = "noctua",
@@ -118,7 +155,7 @@ fn main() {
                 }
 
                 println!("\nUI: Test navigation...");
-                manager.handle(DocumentCommand::NavigateNext);
+                handle_command(&mut manager, DocumentCommand::NavigateNext);
                 if let Some(session) = manager.session(&name) {
                     println!(
                         "UI: After NavigateNext     -> index {:?}",
@@ -126,7 +163,7 @@ fn main() {
                     );
                 }
 
-                manager.handle(DocumentCommand::NavigatePrevious);
+                handle_command(&mut manager, DocumentCommand::NavigatePrevious);
                 if let Some(session) = manager.session(&name) {
                     println!(
                         "UI: After NavigatePrevious -> index {:?}",
@@ -134,13 +171,82 @@ fn main() {
                     );
                 }
 
-                manager.handle(DocumentCommand::SelectItem(0));
+                handle_command(&mut manager, DocumentCommand::SelectItem(0));
                 if let Some(session) = manager.session(&name) {
                     println!(
                         "UI: After SelectItem(0)    -> index {:?}",
                         session.current_index
                     );
                 }
+
+                println!("\nUI: Test copy/move/delete...");
+                handle_command(
+                    &mut manager,
+                    DocumentCommand::CreateSession {
+                        name: "Favorites".to_string(),
+                        kind: SessionKind::DocumentCollection,
+                        path: None,
+                    },
+                );
+                handle_command(
+                    &mut manager,
+                    DocumentCommand::CreateSession {
+                        name: "Workspace".to_string(),
+                        kind: SessionKind::DocumentCollection,
+                        path: None,
+                    },
+                );
+
+                println!("\nBefore CopyItemToSession:");
+                print_session(&manager, "Favorites");
+
+                handle_command(
+                    &mut manager,
+                    DocumentCommand::CopyItemToSession {
+                        source_session: name.clone(),
+                        target_session: "Favorites".to_string(),
+                        source_item_index: 0,
+                        target_item_index: None,
+                    },
+                );
+                println!("\nAfter CopyItemToSession to Favorites:");
+                print_session(&manager, "Favorites");
+
+                println!("\n--- Test DeleteItemFromSession on DirectoryBrowser (should fail) ---");
+                handle_command(
+                    &mut manager,
+                    DocumentCommand::DeleteItemFromSession {
+                        session: name.clone(),
+                        item_index: None,
+                    },
+                );
+
+                println!("\n--- Test Move from Favorites to Workspace ---");
+                println!("\nBefore Move:");
+                print_session(&manager, "Favorites");
+                print_session(&manager, "Workspace");
+
+                handle_command(
+                    &mut manager,
+                    DocumentCommand::CopyItemToSession {
+                        source_session: "Favorites".to_string(),
+                        target_session: "Workspace".to_string(),
+                        source_item_index: 0,
+                        target_item_index: None,
+                    },
+                );
+
+                handle_command(
+                    &mut manager,
+                    DocumentCommand::DeleteItemFromSession {
+                        session: "Favorites".to_string(),
+                        item_index: Some(0),
+                    },
+                );
+
+                println!("\nAfter Move:");
+                print_session(&manager, "Favorites");
+                print_session(&manager, "Workspace");
             }
         }
     }