def genres(self): return [song.genre for song in Song.all() if song.artist == self]
def test_song_class_method(self): self.assertItemsEqual(Song._all, [song_1, song_2, song_3, song_4, song_5]) self.assertItemsEqual(Song.all(), [song_1, song_2, song_3, song_4, song_5])
def songs(self): return [song for song in Song.all() if song.genre == self]
def songs(self): return [song for song in Song.all() if song.artist == self]
def artists(self): return [song.artist for song in Song.all() if song.genre == self]
def artists(self): return [music.artist for music in Song.all() if music.genre == self]
def songs(self): return [music for music in Song.all() if music.genre == self]
def genres(self): return [music.genre for music in Song.all() if music.artist == self]
def songs(self): return [music for music in Song.all() if music.artist == self]