更新

app/tests/test_busy_overlay.py

@@ -7,10 +7,12 @@ from typing import Any
 os.environ.setdefault("QT_QPA_PLATFORM", "offscreen")
 
 import pytest
-from PySide6.QtCore import QSettings
+from PySide6.QtCore import QEvent, QObject, QSettings
 from PySide6.QtWidgets import QApplication, QWidget
 
+from doctor_workstation.services import DemoDoctorRepository
 from doctor_workstation.ui.login import LoginWindow
+from doctor_workstation.ui.shell import ShellWindow
 from doctor_workstation.ui.widgets import BusyOverlay
 
 
@@ -87,3 +89,41 @@ def test_login_loading_does_not_spawn_extra_windows(
 
     window.close()
     application.processEvents()
+
+
+def test_shell_construction_never_shows_orphan_business_controls(
+    application: QApplication,
+) -> None:
+    shown: list[tuple[str, str]] = []
+
+    class OrphanShowRecorder(QObject):
+        def eventFilter(self, watched: QObject, event: QEvent) -> bool:  # noqa: N802
+            if (
+                event.type() == QEvent.Type.Show
+                and isinstance(watched, QWidget)
+                and watched.parentWidget() is None
+            ):
+                text = getattr(watched, "text", lambda: "")()
+                shown.append((type(watched).__name__, str(text)))
+            return False
+
+    repository = DemoDoctorRepository()
+    session = repository.login(repository.DEMO_ACCOUNT, repository.DEMO_PASSWORD)
+    recorder = OrphanShowRecorder(application)
+    application.installEventFilter(recorder)
+    try:
+        shell = ShellWindow(
+            repository,
+            {
+                "session": session,
+                "user": session.user,
+                "demo_mode": True,
+            },
+            permissions=session.permissions,
+        )
+    finally:
+        application.removeEventFilter(recorder)
+
+    assert shown == []
+    shell.close()
+    application.processEvents()