public void MusicPlayer_Play_Play_Current()
{
//arrange
IMusicFactory imf = Substitute.For<IMusicFactory>();
IInternalPlayer iip = Substitute.For<IInternalPlayer>();
imf.GetInternalPlayer().Returns(iip);
IReadOnlyPlayList irop = Substitute.For<IReadOnlyPlayList>();
IInternalTrack it = Substitute.For<IInternalTrack>();
it.Path.Returns("MyPath");
irop.CurrentTrack.Returns(it);
irop.When(x => x.Init()).Do(x => irop.CurrentTrack.Returns(it));
// act
MusicPlayer target = new MusicPlayer(imf);
target.MonitorEvents();
target.PlayList = irop;
target.Stop();
target.Mode.Should().Be(PlayMode.Stopped);
target.Play();
//assert
target.PlayList.Should().Be(irop);
target.MusicTrackSource.Should().Be(it);
target.ShouldRaisePropertyChangeFor(t => t.PlayList);
target.ShouldRaisePropertyChangeFor(t => t.MusicTrackSource);
iip.FileSource.Should().Be("MyPath");
iip.Received().Play();
irop.DidNotReceive().Init();
iip.Listener.Should().Be(target);
target.Mode.Should().Be(PlayMode.Play);
}
public void MusicPlayer_Play_Do_NotPlay_UnderEdit()
{
//arrange
IMusicFactory imf = Substitute.For<IMusicFactory>();
IInternalPlayer iip = Substitute.For<IInternalPlayer>();
imf.GetInternalPlayer().Returns(iip);
iip.FileSource = null;
IReadOnlyPlayList irop = Substitute.For<IReadOnlyPlayList>();
IInternalTrack it = Substitute.For<IInternalTrack>();
it.Path.Returns("MyPath");
it.InternalState.Returns(ObjectState.UnderEdit);
irop.CurrentTrack.Returns(it);
// act
MusicPlayer target = new MusicPlayer(imf);
target.MonitorEvents();
target.PlayList = irop;
//assert
target.PlayList.Should().Be(irop);
target.MusicTrackSource.Should().Be(it);
target.Mode.Should().Be(PlayMode.Stopped);
target.ShouldRaisePropertyChangeFor(t => t.PlayList);
target.ShouldRaisePropertyChangeFor(t => t.MusicTrackSource);
iip.FileSource.Should().Be("MyPath");
iip.DidNotReceive().Play();
irop.DidNotReceive().Init();
iip.Listener.Should().Be(target);
//act2
target.Pause();
//assert2
target.Mode.Should().Be(PlayMode.Stopped);
iip.DidNotReceive().Pause();
//act3
target.Stop();
//assert3
target.Mode.Should().Be(PlayMode.Stopped);
iip.DidNotReceive().Play();
//act4
IInternalMusicPlayer iimp = target;
it.UpdatedState.Returns(ObjectState.Available);
it.InternalState.Returns(ObjectState.Available);
iimp.OnLockEvent(it, new ObjectStateChangeArgs(it, ObjectState.UnderEdit, ObjectState.Available));
target.Play();
//assert4
target.Mode.Should().Be(PlayMode.Play);
}
public void MusicPlayer_Play_Track_Null()
{
//arrange
IMusicFactory imf = Substitute.For<IMusicFactory>();
IInternalPlayer iip = Substitute.For<IInternalPlayer>();
imf.GetInternalPlayer().Returns(iip);
// act
MusicPlayer target = new MusicPlayer(imf);
target.Play();
//assert
target.MusicTrackSource.Should().BeNull();
target.Mode.Should().Be(PlayMode.Stopped);
}