public void ApplicationLoadedEventHandler_IfNoPlaylistSessionDataExist_DoesNotLoadAnySongs()
{
// Arrange
var sessionServiceStub = new Mock <ISessionDataService>();
sessionServiceStub.Setup(x => x.GetData <PlaylistData>("SongPlaylistData", It.IsAny <CancellationToken>())).ReturnsAsync((PlaylistData)null);
var mocker = new AutoMocker();
mocker.Use(sessionServiceStub);
var target = mocker.CreateInstance <PersistentPlaylistViewModel>();
PlaylistLoadedEventArgs playlistLoadedEvent = null;
Messenger.Default.Register <PlaylistLoadedEventArgs>(this, e => e.RegisterEvent(ref playlistLoadedEvent));
NoPlaylistLoadedEventArgs noPlaylistLoadedEvent = null;
Messenger.Default.Register <NoPlaylistLoadedEventArgs>(this, e => e.RegisterEvent(ref noPlaylistLoadedEvent));
// Act
Messenger.Default.Send(new ApplicationLoadedEventArgs());
// Assert
target.Songs.Should().BeEmpty();
playlistLoadedEvent.Should().BeNull();
noPlaylistLoadedEvent.Should().NotBeNull();
}
public void ApplicationLoadedEventHandler_IfSomeSongsAreNotFound_DoesNotLoadPlaylist()
{
// Arrange
var playlistData = new PlaylistData
{
Songs = new[]
{
new PlaylistSongData {
Id = "song 0"
},
new PlaylistSongData {
Id = "song 1"
},
new PlaylistSongData {
Id = "song 2"
},
},
CurrentSongIndex = 0,
};
var loadedSongs = new[]
{
new SongModel {
Id = new ItemId("song 0")
},
new SongModel {
Id = new ItemId("song 2")
},
};
var sessionServiceStub = new Mock <ISessionDataService>();
sessionServiceStub.Setup(x => x.GetData <PlaylistData>("SongPlaylistData", It.IsAny <CancellationToken>())).ReturnsAsync(playlistData);
var songServiceStub = new Mock <ISongsService>();
songServiceStub.Setup(x => x.GetSongs(It.IsAny <IEnumerable <ItemId> >(), It.IsAny <CancellationToken>())).ReturnsAsync(loadedSongs);
var mocker = new AutoMocker();
mocker.Use(sessionServiceStub);
mocker.Use(songServiceStub);
var target = mocker.CreateInstance <PersistentPlaylistViewModel>();
PlaylistLoadedEventArgs playlistLoadedEvent = null;
Messenger.Default.Register <PlaylistLoadedEventArgs>(this, e => e.RegisterEvent(ref playlistLoadedEvent));
NoPlaylistLoadedEventArgs noPlaylistLoadedEvent = null;
Messenger.Default.Register <NoPlaylistLoadedEventArgs>(this, e => e.RegisterEvent(ref noPlaylistLoadedEvent));
// Act
Messenger.Default.Send(new ApplicationLoadedEventArgs());
// Assert
target.Songs.Should().BeEmpty();
playlistLoadedEvent.Should().BeNull();
noPlaylistLoadedEvent.Should().NotBeNull();
}