car-interface-android/test/home_media_state_test.dart

import 'package:cardash_launcher/core/app_identity.dart';
import 'package:cardash_launcher/data/models/media_playback.dart';
import 'package:cardash_launcher/features/home/home_media_state.dart';
import 'package:flutter_test/flutter_test.dart';

const _carDashPlaying = MediaPlayback(
  hasAccess: true,
  hasSession: true,
  playing: true,
  packageName: appPackageName,
);

const _chromePlaying = MediaPlayback(
  hasAccess: true,
  hasSession: true,
  playing: true,
  packageName: 'com.android.chrome',
);

void main() {
  group('shouldShowMusicEqualizer', () {
    test(
      'stays quiet while the stale session is CarDash after a Jellyfin pause',
      () {
        expect(
          shouldShowMusicEqualizer(
            systemMusicPlaying: true,
            jellyfinPlaying: false,
            systemMedia: _carDashPlaying,
          ),
          isFalse,
        );
      },
    );

    test('animates for another app', () {
      expect(
        shouldShowMusicEqualizer(
          systemMusicPlaying: true,
          jellyfinPlaying: false,
          systemMedia: _chromePlaying,
        ),
        isTrue,
      );
    });

    test('stays quiet while Jellyfin is playing', () {
      expect(
        shouldShowMusicEqualizer(
          systemMusicPlaying: true,
          jellyfinPlaying: true,
          systemMedia: _carDashPlaying,
        ),
        isFalse,
      );
    });

    test('falls back to system music with no media session', () {
      expect(
        shouldShowMusicEqualizer(
          systemMusicPlaying: true,
          jellyfinPlaying: false,
          systemMedia: const MediaPlayback(),
        ),
        isTrue,
      );
    });
  });

  test('detects CarDash versus external media sessions', () {
    expect(isExternalSystemMedia(_carDashPlaying), isFalse);
    expect(isExternalSystemMedia(_chromePlaying), isTrue);
    expect(isExternalSystemMedia(const MediaPlayback()), isTrue);
  });
}