fix: scope window titles to each client view (#4130)

refs #4091

1 files changed, 77 insertions, 0 deletions

diff --git a/src/server/headless/tests/mod.rs b/src/server/headless/tests/mod.rs
index 0ad5f8a3..4850203f 100644
--- a/src/server/headless/tests/mod.rs
+++ b/src/server/headless/tests/mod.rs
@@ -586,6 +586,83 @@ fn a_newly_promoted_client_gets_the_window_title_again() {
     shutdown_test_runtimes(&mut server);
 }
 
+#[tokio::test]
+async fn promoted_client_window_title_uses_its_own_view() {
+    let mut server = test_headless_server();
+    let mut survivor = crate::workspace::Workspace::test_new("survivor");
+    let survivor_tab_index = survivor.test_add_tab(Some("survivor-tab"));
+    let survivor_pane = survivor.tabs[survivor_tab_index].layout.focused();
+    let disconnected = crate::workspace::Workspace::test_new("disconnected");
+    let disconnected_pane = disconnected.tabs[0].layout.focused();
+    server.app.state.workspaces = vec![survivor, disconnected];
+    server.app.state.active = Some(1);
+    server.app.state.selected = 1;
+    server.app.state.ensure_test_terminals();
+    let survivor_terminal = server.app.state.workspaces[0].tabs[survivor_tab_index]
+        .terminal_id(survivor_pane)
+        .expect("survivor terminal")
+        .clone();
+    let terminal = server
+        .app
+        .state
+        .terminals
+        .get_mut(&survivor_terminal)
+        .expect("survivor terminal state");
+    terminal.manual_label = Some("client-pane".into());
+    terminal.set_terminal_title(Some("CLIENT OSC".into()));
+    server
+        .app
+        .configure_window_title("{workspace}/{tab}/{pane}/{terminal_title}");
+
+    let (survivor_control, _) = connect_matching_test_shell(&mut server, 1);
+    let (disconnected_control, _) = connect_matching_test_shell(&mut server, 2);
+    let survivor_tab_id = server
+        .app
+        .public_tab_id(0, survivor_tab_index)
+        .expect("survivor tab id");
+    assert!(server.focus_shell_client_on_tab(1, &survivor_tab_id));
+    server.promote_client_to_foreground(2);
+    drain_window_titles(&survivor_control);
+    drain_window_titles(&disconnected_control);
+
+    assert!(server.handle_server_event(ServerEvent::ClientDisconnected { client_id: 2 }));
+    server.sync_window_title();
+
+    assert_eq!(
+        next_window_title(&survivor_control),
+        Some(Some("survivor/survivor-tab/client-pane/CLIENT OSC".into()))
+    );
+    assert_eq!(server.app.state.active, Some(1));
+    assert_eq!(
+        server.shell_tab_id_for_client(1).as_deref(),
+        Some(survivor_tab_id.as_str())
+    );
+
+    let runtime = crate::terminal::TerminalRuntime::test_with_screen_bytes(80, 24, b"");
+    runtime.test_process_pty_bytes(b"\x1b]0;UPDATED OSC\x07");
+    server
+        .app
+        .terminal_runtimes
+        .insert(survivor_terminal, runtime);
+    assert!(
+        server
+            .sync_terminal_title_sources(&HashSet::from([survivor_pane]))
+            .1
+    );
+    assert_eq!(
+        next_window_title(&survivor_control),
+        Some(Some("survivor/survivor-tab/client-pane/UPDATED OSC".into()))
+    );
+    assert!(
+        !server
+            .sync_terminal_title_sources(&HashSet::from([disconnected_pane]))
+            .1
+    );
+    assert!(no_window_title(&survivor_control));
+
+    shutdown_test_runtimes(&mut server);
+}
+
 fn test_client_writer() -> (
     ClientWriter,
     std::sync::mpsc::Receiver<Vec<u8>>,