Added settings dialog with loglevel

tests/unit/test_settings_controller.py

@@ -0,0 +1,72 @@
+from __future__ import annotations
+
+import logging
+from pathlib import Path
+
+import pytest
+from PySide6.QtCore import QSettings
+from PySide6.QtWidgets import QApplication, QDialog
+
+from bedit_gui.controllers.settings_controller import SettingsController
+from bedit_gui.services.application_logging import get_logger
+from bedit_gui.services.application_settings import ApplicationSettings
+from bedit_gui.views.main_window import MainWindow
+
+
+class FakeSettingsDialog:
+    def __init__(self, log_level: int) -> None:
+        self.initial_log_level = log_level
+        self.log_level = logging.ERROR
+
+    def exec(self) -> QDialog.DialogCode:
+        return QDialog.DialogCode.Accepted
+
+
+@pytest.fixture(scope="module")
+def qt_app() -> QApplication:
+    return QApplication.instance() or QApplication([])
+
+
+@pytest.mark.unit
+def test_log_level_is_persisted(tmp_path: Path) -> None:
+    path = tmp_path / "settings.ini"
+    backend = QSettings(str(path), QSettings.Format.IniFormat)
+    settings = ApplicationSettings(backend)
+
+    settings.log_level = logging.DEBUG
+    backend.sync()
+
+    reloaded = ApplicationSettings(
+        QSettings(str(path), QSettings.Format.IniFormat)
+    )
+    assert reloaded.log_level == logging.DEBUG
+
+
+@pytest.mark.unit
+def test_settings_action_applies_log_level(
+    qt_app: QApplication,
+    tmp_path: Path,
+) -> None:
+    backend = QSettings(
+        str(tmp_path / "settings.ini"),
+        QSettings.Format.IniFormat,
+    )
+    settings = ApplicationSettings(backend)
+    window = MainWindow()
+    dialogs: list[FakeSettingsDialog] = []
+
+    def make_dialog(
+        log_level: int,
+        _window: MainWindow,
+    ) -> FakeSettingsDialog:
+        dialog = FakeSettingsDialog(log_level)
+        dialogs.append(dialog)
+        return dialog
+
+    SettingsController(window, settings, make_dialog)
+    window.ui.actionSettings.trigger()
+
+    assert dialogs[0].initial_log_level == logging.INFO
+    assert settings.log_level == logging.ERROR
+    assert get_logger("tests").isEnabledFor(logging.ERROR)
+    assert not get_logger("tests").isEnabledFor(logging.WARNING)