car-interface-android/test/media_playback_test.dart

import 'package:cardash_launcher/data/models/media_playback.dart';
import 'package:flutter_test/flutter_test.dart';

void main() {
  test('parses media session metadata and progress', () {
    final media = MediaPlayback.fromMap({
      'hasAccess': true,
      'hasSession': true,
      'playing': true,
      'title': 'Night Drive',
      'artist': 'The Dashboard',
      'durationMs': 240000,
      'positionMs': 60000,
    });

    expect(media.hasTitle, isTrue);
    expect(media.displayTitle, 'Night Drive — The Dashboard');
    expect(media.progress, 0.25);
    expect(media.playing, isTrue);
    expect(media.hasAccess, isTrue);
  });

  test('empty media state has no title or progress', () {
    const media = MediaPlayback();
    expect(media.hasTitle, isFalse);
    expect(media.displayTitle, isNull);
    expect(media.progress, 0);
  });

  test('progress is clamped for a malformed duration position', () {
    const media = MediaPlayback(durationMs: 1000, positionMs: 4000);
    expect(media.progress, 1.0);
  });
}