更新

app/tests/test_busy_overlay.py

@@ -0,0 +1,89 @@
+from __future__ import annotations
+
+import os
+from types import SimpleNamespace
+from typing import Any
+
+os.environ.setdefault("QT_QPA_PLATFORM", "offscreen")
+
+import pytest
+from PySide6.QtCore import QSettings
+from PySide6.QtWidgets import QApplication, QWidget
+
+from doctor_workstation.ui.login import LoginWindow
+from doctor_workstation.ui.widgets import BusyOverlay
+
+
+@pytest.fixture(scope="module")
+def application() -> QApplication:
+    return QApplication.instance() or QApplication([])
+
+
+def _visible_windows(application: QApplication) -> list[QWidget]:
+    return [
+        widget
+        for widget in application.topLevelWidgets()
+        if widget.isWindow() and widget.isVisible()
+    ]
+
+
+def test_busy_overlay_children_are_not_windows(application: QApplication) -> None:
+    host = QWidget()
+    host.resize(360, 240)
+    host.show()
+    application.processEvents()
+    before = {id(widget) for widget in _visible_windows(application)}
+
+    overlay = BusyOverlay(host, "正在验证账号…")
+    overlay.setVisible(True)
+    application.processEvents()
+
+    assert overlay.parentWidget() is host
+    assert not overlay.isWindow()
+    assert overlay.progress.objectName() == "BusyOverlayProgress"
+    assert overlay.progress.parentWidget() is overlay
+    assert overlay.label.parentWidget() is overlay
+    assert not overlay.progress.isWindow()
+    assert not overlay.label.isWindow()
+    extra = [
+        widget
+        for widget in _visible_windows(application)
+        if id(widget) not in before and widget is not host
+    ]
+    assert extra == []
+
+    overlay.setVisible(False)
+    host.close()
+    application.processEvents()
+
+
+def test_login_loading_does_not_spawn_extra_windows(
+    application: QApplication, tmp_path: Any
+) -> None:
+    settings = QSettings(str(tmp_path / "login.ini"), QSettings.Format.IniFormat)
+    window = LoginWindow(
+        object(),
+        config=SimpleNamespace(
+            api_base_url="https://127.0.0.1:9",
+            request_timeout=30,
+            demo_mode=False,
+            remembered_account="admin",
+        ),
+        settings=settings,
+    )
+    window.show()
+    application.processEvents()
+    before = {id(widget) for widget in _visible_windows(application)}
+
+    window._set_loading(True)
+    application.processEvents()
+
+    extra = [widget for widget in _visible_windows(application) if id(widget) not in before]
+    assert extra == []
+    assert window.busy_overlay.isVisible()
+    assert not window.busy_overlay.isWindow()
+    assert not window.busy_overlay.progress.isWindow()
+    assert window.busy_overlay.label.text() == "正在验证账号…"
+
+    window.close()
+    application.processEvents()