public void CallMusicPlayerPauseWhenAPauseSongEventIsCatched()
{
PlayerViewModel viewModel = new PlayerViewModel();
PlayerObserver.NotifyPauseSong();
MockMusicPlayer.Verify(mp => mp.Pause());
}
public void CallMusicPlayerResumeWhenAResumeSongEventIsCatched()
{
PlayerViewModel viewModel = new PlayerViewModel();
PlayerObserver.NotifyResumeSong();
MockMusicPlayer.Verify(mp => mp.Resume());
}
public void CallMusicPlayerPlayWhenAPlaySongEventIsCatched()
{
MediaFile file = Create.MediaFile();
Song songToPlay = Create.Song(file);
PlayerViewModel viewModel = new PlayerViewModel();
MockService.Setup(s => s.GetMediaFileById(songToPlay.MediaFileId)).Returns(file);
PlayerObserver.NotifyPlayNewSong(songToPlay);
MockMusicPlayer.Verify(mp => mp.Stop());
MockService.Verify(s => s.GetMediaFileById(songToPlay.MediaFileId));
MockMusicPlayer.Verify(mp => mp.Play(file.Id, file.Content));
Assert.AreEqual(songToPlay, viewModel.CurrentSong);
}
public void DoNotRefreshTimeIfTotalTimeIsEqualToZero()
{
const int elapsedTime = 3010;
const int totalTime = 0;
PlayerViewModel viewModel = new PlayerViewModel
{
SliderIsOnDrag = true,
PurcentagePlayed = 5
};
MockMusicPlayer.Raise(mp => mp.PurcentagePlayed += null, elapsedTime, totalTime);
Assert.AreEqual(5, viewModel.PurcentagePlayed);
Assert.AreEqual("00:00:00", viewModel.ElapsedTime);
Assert.AreEqual("00:00:00", viewModel.TotalTime);
}
public void CallMusicPlayerStopWhenAStopSongEventIsCatched()
{
PlayerViewModel viewModel = new PlayerViewModel
{
CurrentSong = Create.Song(),
ElapsedTime = "0",
PurcentagePlayed = 0,TotalTime = "0"
};
PlayerObserver.NotifyStopSong();
MockMusicPlayer.Verify(mp => mp.Stop());
Assert.IsNull(viewModel.ElapsedTime);
Assert.IsNull(viewModel.TotalTime);
Assert.IsNull(viewModel.CurrentSong);
Assert.AreEqual(0, viewModel.PurcentagePlayed);
}
public void IfPlaySongReturnsAnExceptionCatchIt()
{
ExceptionEventCatcher catcher = new ExceptionEventCatcher();
MediaFile file = Create.MediaFile();
Song songToPlay = Create.Song(file);
PlayerViewModel viewModel = new PlayerViewModel();
MockService.Setup(s => s.GetMediaFileById(songToPlay.MediaFileId)).Returns(file);
MockMusicPlayer.Setup(mp => mp.Play(file.Id, file.Content)).Throws<Exception>();
PlayerObserver.NotifyPlayNewSong(songToPlay);
Assert.IsTrue(catcher.ExceptionEventInvoked);
Assert.IsTrue(catcher.Exception is PlayException);
}
public void SetValueToZeroIfNoActualSongIsPlayed()
{
PlayerViewModel viewModel = new PlayerViewModel
{
SliderIsOnDrag = false,
CurrentSong = null
};
const double value = 50;
viewModel.StopDragCommand.Execute(value);
MockMusicPlayer.Verify(mp => mp.PlayAt(It.IsAny<double>()), Times.Never());
Assert.AreEqual(0, viewModel.PurcentagePlayed);
}
public void SetSliderIsOnDragOnStartDragCommand()
{
PlayerViewModel viewModel = new PlayerViewModel { SliderIsOnDrag = false };
viewModel.StartDragCommand.Execute(null);
Assert.IsTrue(viewModel.SliderIsOnDrag);
}
public void SetSliderIsNotOnDragOnStopDragCommandAndMoveMusicToTheValue()
{
PlayerViewModel viewModel = new PlayerViewModel
{
SliderIsOnDrag = true,
CurrentSong = Create.Song()
};
const double value = 50;
viewModel.StopDragCommand.Execute(value);
Assert.IsFalse(viewModel.SliderIsOnDrag);
MockMusicPlayer.Verify(mp => mp.PlayAt(value));
}
public void RefreshTimePlayedWithoutPurcentageIfSliderIsDragging()
{
const int elapsedTime = 3010;
const int totalTime = 3690;
PlayerViewModel viewModel = new PlayerViewModel {
SliderIsOnDrag = true,
PurcentagePlayed = 5
};
MockMusicPlayer.Raise(mp => mp.PurcentagePlayed += null, elapsedTime, totalTime);
Assert.AreEqual(5, viewModel.PurcentagePlayed);
Assert.AreEqual("00:50:10", viewModel.ElapsedTime);
Assert.AreEqual("01:01:30", viewModel.TotalTime);
}
public void RefreshTimePlayedAndPurcentage()
{
const int elapsedTime = 3010;
const int totalTime = 3690;
PlayerViewModel viewModel = new PlayerViewModel {SliderIsOnDrag = false};
MockMusicPlayer.Raise(mp => mp.PurcentagePlayed += null, elapsedTime, totalTime );
Assert.AreEqual(elapsedTime * 100 / totalTime, viewModel.PurcentagePlayed);
Assert.AreEqual("00:50:10", viewModel.ElapsedTime);
Assert.AreEqual("01:01:30", viewModel.TotalTime);
}
public void RaiseNewSongFinishedEventWhenASongIsFinishedAndCleanAllValue()
{
PlayerEventCatcher catcher = new PlayerEventCatcher();
PlayerViewModel viewModel = new PlayerViewModel
{
CurrentSong = Create.Song(),
ElapsedTime = "0",
PurcentagePlayed = 0,
TotalTime = "0"
};
MockMusicPlayer.Raise(mp => mp.SongFinished += null);
Assert.IsTrue(catcher.SongFinishedInvoked);
Assert.IsNull(viewModel.ElapsedTime);
Assert.IsNull(viewModel.TotalTime);
Assert.IsNull(viewModel.CurrentSong);
Assert.AreEqual(0, viewModel.PurcentagePlayed);
}
