public void MusicPlayer_Set_PlayList_CurrentTrack_Null()
{
//arrange
IMusicFactory imf = Substitute.For<IMusicFactory>();
IInternalPlayer iip = Substitute.For<IInternalPlayer>();
imf.GetInternalPlayer().Returns(iip);
MusicPlayer target = new MusicPlayer(imf);
IReadOnlyPlayList irop = Substitute.For<IReadOnlyPlayList>();
irop.CurrentTrack = null;
target.MonitorEvents();
//act
target.PlayList = irop;
//assert
target.PlayList.Should().Be(irop);
target.ShouldRaisePropertyChangeFor(t => t.PlayList);
target.Mode.Should().Be( PlayMode.Stopped);
target.Dispose();
}
public void MusicPlayer_Set_PlayList_Change_Track()
{
//arrange
IMusicFactory imf = Substitute.For<IMusicFactory>();
IInternalPlayer iip = Substitute.For<IInternalPlayer>();
imf.GetInternalPlayer().Returns(iip);
MusicPlayer target = new MusicPlayer(imf);
IReadOnlyPlayList irop = Substitute.For<IReadOnlyPlayList>();
IInternalTrack it = Substitute.For<IInternalTrack>();
it.Path.Returns("MyPath");
irop.CurrentTrack = it;
target.PlayList = irop;
IInternalTrack it2 = Substitute.For<IInternalTrack>();
it2.Path.Returns("MyPath2");
target.MonitorEvents();
//act
irop.ChangeCurrent(it2);
//assert
iip.FileSource.Should().Be("MyPath2");
iip.Received().Play();
target.ShouldRaisePropertyChangeFor(t => t.MusicTrackSource);
target.Mode.Should().Be(PlayMode.Play);
target.MusicTrackSource.Should().Be(it2);
//clean
target.Dispose();
}
public void MusicPlayer_Volume_Change()
{
//arrange
IMusicFactory imf = Substitute.For<IMusicFactory>();
IInternalPlayer iip = Substitute.For<IInternalPlayer>();
imf.GetInternalPlayer().Returns(iip);
iip.Volume.Returns(0.5d);
MusicPlayer target = new MusicPlayer(imf);
//act-assert 1
target.Volume.Should().Be(0.5d);
//act-assert 2
target.MonitorEvents();
target.Volume = 0.2;
target.Volume.Should().Be(0.2d);
iip.Volume.Should().Be(0.2d);
//iip.Listener.OnVolumeChange();
target.ShouldRaisePropertyChangeFor(t => t.Volume);
//act-assert 3
target.Volume = -1;
target.Volume.Should().Be(0d);
iip.Volume.Should().Be(0d);
//act-assert 4
target.Volume = 5;
target.Volume.Should().Be(1d);
iip.Volume.Should().Be(1d);
//assert
target.PlayList.Should().BeNull();
target.Mode.Should().Be(PlayMode.Stopped);
target.MusicTrackSource.Should().Be(null);
//clean
target.Dispose();
}
public void MusicPlayer_Position_Change()
{
//arrange
IMusicFactory imf = Substitute.For<IMusicFactory>();
IInternalPlayer iip = Substitute.For<IInternalPlayer>();
imf.GetInternalPlayer().Returns(iip);
iip.Position.Returns(TimeSpan.FromSeconds(9));
MusicPlayer target = new MusicPlayer(imf);
//act-assert 1
target.Position.Should().Be(TimeSpan.FromSeconds(9));
//act-assert 2
target.MonitorEvents();
target.Position = TimeSpan.FromSeconds(90);
target.Position.Should().Be(TimeSpan.FromSeconds(90));
iip.Position.Should().Be(TimeSpan.FromSeconds(90));
//clean
target.Dispose();
}
public void MusicPlayer_Set_PlayList_CurrentTrack_NotNull_ChangePlayList()
{
//arrange
IMusicFactory imf = Substitute.For<IMusicFactory>();
IInternalPlayer iip = Substitute.For<IInternalPlayer>();
imf.GetInternalPlayer().Returns(iip);
MusicPlayer target = new MusicPlayer(imf);
IReadOnlyPlayList irop = Substitute.For<IReadOnlyPlayList>();
IInternalTrack it = Substitute.For<IInternalTrack>();
it.Path.Returns("MyPath");
irop.CurrentTrack = it;
target.PlayList = irop;
//act
target.MonitorEvents();
target.PlayList = null;
//assert
target.ShouldRaisePropertyChangeFor(t => t.PlayList);
target.PlayList.Should().BeNull();
iip.Received().Stop();
target.Mode.Should().Be(PlayMode.Stopped);
target.MusicTrackSource.Should().Be(null);
//clean
target.Dispose();
}
