public void PlaylistFinishedEventHandler_AllSongsHaveRatingSet_DoesNotShowRatePlaylistSongsView()
{
// Arrange
var songs = new[]
{
new SongModel {
Rating = RatingModel.R5
},
new SongModel {
Rating = RatingModel.R8
},
};
var playlistFinishedEvent = new PlaylistFinishedEventArgs(songs);
var mocker = new AutoMocker();
mocker.Use(Enumerable.Empty <IApplicationInitializer>());
var target = mocker.CreateInstance <ApplicationViewModel>();
// Act
Messenger.Default.Send(playlistFinishedEvent);
// Assert
mocker.GetMock <IViewNavigator>().Verify(x => x.ShowRatePlaylistSongsView(It.IsAny <IEnumerable <SongModel> >()), Times.Never);
}
public async Task SongPlaybackFinishedEventHandler_IfPlaylistHasMoreSongs_StartsPlayingNextSong()
{
// Arrange
var songs = new[]
{
new SongModel {
Id = new ItemId("Song 1")
},
new SongModel {
Id = new ItemId("Song 2")
},
};
var currentSongIndex = 0;
var playlistStub = new Mock <IPlaylistViewModel>();
playlistStub.Setup(x => x.Songs).Returns(songs);
playlistStub.Setup(x => x.CurrentSong).Returns(() => songs[currentSongIndex]);
playlistStub.Setup(x => x.SwitchToNextSong(It.IsAny <CancellationToken>())).Callback <CancellationToken>(_ => currentSongIndex++);
var songPlayerMock = new Mock <ISongPlayerViewModel>();
var mocker = new AutoMocker();
mocker.Use(playlistStub);
mocker.Use(songPlayerMock);
var target = mocker.CreateInstance <PlaylistPlayerViewModel>();
await target.ReversePlaying(CancellationToken.None);
songPlayerMock.Invocations.Clear();
PlaylistFinishedEventArgs playlistFinishedEvent = null;
Messenger.Default.Register <PlaylistFinishedEventArgs>(this, e => e.RegisterEvent(ref playlistFinishedEvent));
// Act
Messenger.Default.Send(new SongPlaybackFinishedEventArgs());
// Assert
songPlayerMock.Verify(x => x.Play(songs[1], It.IsAny <CancellationToken>()), Times.Once);
playlistFinishedEvent.Should().BeNull();
}
public async Task SongPlaybackFinishedEventHandler_IfPlaylistHasNoMoreSongs_SendsPlaylistFinishedEvent()
{
// Arrange
var songs = new[]
{
new SongModel {
Id = new ItemId("Song 1")
},
new SongModel {
Id = new ItemId("Song 2")
},
};
var currentSong = songs.Last();
var playlistStub = new Mock <IPlaylistViewModel>();
playlistStub.Setup(x => x.Songs).Returns(songs);
playlistStub.Setup(x => x.CurrentSong).Returns(() => currentSong);
playlistStub.Setup(x => x.SwitchToNextSong(It.IsAny <CancellationToken>())).Callback <CancellationToken>(_ => currentSong = null);
var mocker = new AutoMocker();
mocker.Use(playlistStub);
var target = mocker.CreateInstance <PlaylistPlayerViewModel>();
await target.ReversePlaying(CancellationToken.None);
PlaylistFinishedEventArgs playlistFinishedEvent = null;
Messenger.Default.Register <PlaylistFinishedEventArgs>(this, e => e.RegisterEvent(ref playlistFinishedEvent));
// Act
Messenger.Default.Send(new SongPlaybackFinishedEventArgs());
// Assert
playlistFinishedEvent.Should().NotBeNull();
playlistFinishedEvent.Songs.Should().BeEquivalentTo(songs, x => x.WithStrictOrdering());
}
