public async Task DisposesCurrentAudioPlayerIfNewOneRegistered()
{
var audioPlayer = new AudioPlayer();
var oldMediaPlayer = Substitute.For<IMediaPlayerCallback, IDisposable>();
var newMediaPlayer = Substitute.For<IMediaPlayerCallback, IDisposable>();
audioPlayer.RegisterAudioPlayerCallback(oldMediaPlayer);
await audioPlayer.LoadAsync(Helpers.SetupSongMock());
audioPlayer.RegisterAudioPlayerCallback(newMediaPlayer);
((IDisposable)oldMediaPlayer).DidNotReceive().Dispose();
await audioPlayer.LoadAsync(Helpers.SetupSongMock());
((IDisposable)oldMediaPlayer).Received().Dispose();
}
public async Task LoadsIntoAudioPlayerIfSongIsAudio()
{
var audioPlayer = new AudioPlayer();
var mediaPlayerCallback = Substitute.For<IMediaPlayerCallback>();
audioPlayer.RegisterAudioPlayerCallback(mediaPlayerCallback);
var song = Helpers.SetupSongMock("C://", TimeSpan.Zero);
song.IsVideo.Returns(false);
await audioPlayer.LoadAsync(song);
mediaPlayerCallback.ReceivedWithAnyArgs().LoadAsync(Arg.Any<Uri>());
}
public async Task StopsCurrentMediaPlayerWhenSwitchingAndPlaying()
{
var audioPlayer = new AudioPlayer();
var oldMediaPlayer = Substitute.For<IMediaPlayerCallback>();
var newMediaPlayer = Substitute.For<IMediaPlayerCallback>();
audioPlayer.RegisterAudioPlayerCallback(oldMediaPlayer);
var song = Helpers.SetupSongMock();
await audioPlayer.LoadAsync(song);
await audioPlayer.PlayAsync();
audioPlayer.RegisterAudioPlayerCallback(newMediaPlayer);
var song2 = Helpers.SetupSongMock();
await audioPlayer.LoadAsync(song2);
await audioPlayer.PlayAsync();
oldMediaPlayer.Received(1).StopAsync();
}
public async Task DisposesDanglingAudioPlayer()
{
var audioPlayer = new AudioPlayer();
var mediaPlayer = Substitute.For<IMediaPlayerCallback>();
audioPlayer.RegisterAudioPlayerCallback(mediaPlayer);
await audioPlayer.LoadAsync(Helpers.SetupSongMock());
var danglingPlayer = Substitute.For<IMediaPlayerCallback, IDisposable>();
audioPlayer.RegisterAudioPlayerCallback(danglingPlayer);
var newPlayer = Substitute.For<IMediaPlayerCallback>();
audioPlayer.RegisterAudioPlayerCallback(newPlayer);
((IDisposable)danglingPlayer).Received(1).Dispose();
}
public async Task StopsCurrentPlayback()
{
var audioPlayer = new AudioPlayer();
var states = audioPlayer.PlaybackState.CreateCollection();
var mediaPlayer = Substitute.For<IMediaPlayerCallback>();
mediaPlayer.Finished.Returns(Observable.Never<Unit>());
audioPlayer.RegisterAudioPlayerCallback(mediaPlayer);
await audioPlayer.LoadAsync(Helpers.SetupSongMock());
await audioPlayer.PlayAsync();
await audioPlayer.LoadAsync(Helpers.SetupSongMock());
Assert.Equal(new[] { AudioPlayerState.None, AudioPlayerState.Stopped, AudioPlayerState.Playing, AudioPlayerState.Stopped }, states);
}