def test_if_next_song_works_correctly_for_repeat_True(self):
playlist = PlayList(repeat=True)
playlist.add_song(self.test_song1)
playlist.next_song()
res = playlist.next_song()
exp = self.test_song1
self.assertEqual(res, exp)
def test_if_next_song_raises_Exception_for_empty_playlist(self):
playlist = PlayList()
res = None
exp = "PlayList is empty"
try:
playlist.next_song()
except Exception as e:
res = str(e)
self.assertEqual(res, exp)
def test_if_next_song_raises_Exception_when_reaches_the_end_of_the_list_and_range_False(self):
playlist = PlayList()
playlist.add_song(self.test_song1)
res = None
exp = "You have reached the end of the playlist"
playlist.next_song()
try:
playlist.next_song()
except Exception as e:
res = str(e)
self.assertEqual(res, exp)