// test/playlist_summary_test.dart
import 'package:flutter_test/flutter_test.dart';
import 'package:qingting_player/models/playlist_summary.dart';

void main() {
  group('PlaylistSummary.fromRow', () {
    test('完整行解析', () {
      final s = PlaylistSummary.fromRow({
        'id': 'abc',
        'name': '随手',
        'song_count': 12,
        'cover_path': '/data/artworks/x.jpg',
        'updated_at': 1700000000,
      });
      expect(s.id, 'abc');
      expect(s.name, '随手');
      expect(s.songCount, 12);
      expect(s.coverPath, '/data/artworks/x.jpg');
      expect(s.isEmpty, isFalse);
    });

    test('没有封面时 coverPath 为 null', () {
      final s = PlaylistSummary.fromRow({
        'id': 'abc',
        'name': '车用',
        'song_count': 3,
        'cover_path': '',
      });
      expect(s.coverPath, isNull);
      expect(s.songCount, 3);
    });

    test('空歌单 isEmpty', () {
      final s = PlaylistSummary.fromRow({
        'id': 'x',
        'name': '空',
        'song_count': 0,
      });
      expect(s.isEmpty, isTrue);
      expect(s.coverPath, isNull);
    });

    test('字段缺失时不崩', () {
      final s = PlaylistSummary.fromRow({});
      expect(s.id, '');
      expect(s.name, '');
      expect(s.songCount, 0);
      expect(s.isEmpty, isTrue);
    });
  });
}