potato-mesh/app/test/theme_preference_store_test.dart

// Copyright © 2025-26 l5yth & contributors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

import 'package:flutter/material.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:potato_mesh_reader/main.dart';
import 'package:shared_preferences/shared_preferences.dart';

void main() {
  TestWidgetsFlutterBinding.ensureInitialized();

  setUp(() {
    SharedPreferences.setMockInitialValues({});
  });

  test('ThemePreferenceStore persists and restores theme mode', () async {
    final store = ThemePreferenceStore();
    final initial = await store.load();
    expect(initial, ThemeMode.system);

    await store.save(ThemeMode.dark);
    final loaded = await store.load();

    expect(loaded, ThemeMode.dark);
  });
}