public void Should_return_1_song_based_on_name()
{
var librarybuilder = new LibraryBuilder<Song>();
var selector = new SongSelector(librarybuilder);
Song song = selector.FindSingle(x => x.Name == "Come Ray And Come Charles");
Assert.IsNotNull(song);
Assert.AreEqual("Come Ray And Come Charles", song.Name);
}
public void Should_return_null_if_no_songs_found()
{
Given_a_library_builder_with_no_songs();
var selector = new SongSelector(_libraryBuilderStub);
Song single = selector.FindSingle(x => x.Artist=="Never found");
Assert.IsNull(single);
}
public void Should_return_songs_based_on_bitrate()
{
var librarybuilder = new LibraryBuilder<Song>();
var selector = new SongSelector(librarybuilder);
IEnumerable<Song> songs = selector.FindMany(x => x.BitRate > 40000);
IEnumerable<Song> allSongs = librarybuilder.BuildLibrary(ConfigSettings.PathToXml);
Assert.Greater(1, songs.Count());
Assert.Less(songs.Count(), allSongs.Count());
}
public void Should_return_1_song()
{
const string expectedSong = "Be Somebody";
Given_a_library_builder_with_multiple_songs();
var selector = new SongSelector(_libraryBuilderStub);
Song song = selector.FindSingle(x => x.Name == expectedSong);
Assert.IsNotNull(song);
Assert.AreEqual(expectedSong, song.Name);
}
public void Should_return_many_songs()
{
const string expected = "Interpol";
Given_a_library_builder_with_multiple_songs();
var selector = new SongSelector(_libraryBuilderStub);
IEnumerable<Song> songs = selector.FindMany(x => x.Artist == "Interpol");
Assert.IsNotEmpty(songs.ToList());
Song first = songs.First();
Assert.IsNotNull(first);
Assert.AreEqual(expected, first.Artist);
}
