import 'dart:ui';

import 'package:flutter_test/flutter_test.dart';
import 'package:yx_tracking_flutter/src/util/device_util.dart';

void main() {
  TestWidgetsFlutterBinding.ensureInitialized();

  group('DeviceUtil', () {
    test('collectDeviceInfo 返回基础信息', () async {
      expect(DeviceUtil.instance(), isA<DeviceUtil>());
      final info = await DeviceUtil.collectDeviceInfo();

      expect(info.os, isNotEmpty);
      expect(info.model, isNotEmpty);
      expect(info.screenResolution, isNotEmpty);
    });

    test('views 为空时返回 unknown', () {
      final resolution = DeviceUtil.screenResolutionForTesting(
        viewsProvider: () => const [],
      );

      expect(resolution, 'unknown');
    });

    test('viewsProvider 抛错时返回 unknown', () {
      final resolution = DeviceUtil.screenResolutionForTesting(
        viewsProvider: () => throw StateError('boom'),
      );

      expect(resolution, 'unknown');
    });

    test('尺寸为 0 时返回 unknown', () {
      final resolution = DeviceUtil.resolutionFromSizeForTesting(Size.zero);
      expect(resolution, 'unknown');
    });

    test('正尺寸会格式化为 WxH', () {
      const size = Size(1080, 1920);
      final resolution = DeviceUtil.resolutionFromSizeForTesting(size);
      expect(resolution, '1080x1920');
    });
  });
}