public void GetAlbumsByArtist()
{
const string artist = "artist";
ObservableCollection<string> expectedAlbums = new ObservableCollection<string>();
SongRepository.Setup(r => r.GetAlbumsByArtist(artist)).Returns(expectedAlbums);
MusicService service = new MusicService(SongRepository.Object, MediaFileRepository.Object);
IList<string> findAlbums = service.GetAlbumsByArtist(artist);
SongRepository.Verify(r => r.GetAlbumsByArtist(artist), Times.Once());
Assert.AreEqual(expectedAlbums, findAlbums);
}
