更新

app/tests/test_shell_contract.py

@@ -19,8 +19,9 @@ class _ShellPageDouble(QWidget):
         *,
         permissions: Any,
         current_user: Any,
+        parent: QWidget | None = None,
     ) -> None:
-        super().__init__()
+        super().__init__(parent)
         self.permissions = permissions
         self.current_user = current_user
         self.refresh_count = 0
@@ -93,6 +94,12 @@ def test_shell_matches_admin_geometry_at_both_acceptance_sizes(
         assert image.pixelColor(220, 110).name().lower() == "#f5f7fb"
 
 
+def test_registered_pages_are_not_top_level_windows(shell_window: ShellWindow) -> None:
+    for page in shell_window.pages.values():
+        assert page.parentWidget() is shell_window.stack
+        assert not page.isWindow()
+
+
 def test_every_visible_page_navigates_and_visited_tabs_track_active_page(
     shell_window: ShellWindow,
 ) -> None: