class PlaylistTest(unittest.TestCase):
def setUp(self):
self.my_song = Song("Solder Of Frortune", "Deep Purple",
"Stormbringer", "3:14")
self.second_song = Song("I Stand Alone", "Godsmack", "Awake", "4:30")
self.rock = Playlist("Rock songs", True)
self.songs = [self.my_song, self.second_song]
self.rock.add_songs(self.songs)
def test_playlist_constructor(self):
self.assertTrue(isinstance(self.rock, Playlist))
def test_add_song(self):
self.assertEqual(self.rock.playlist, self.songs)
def test_remove_song(self):
self.rock.remove_song(self.my_song)
self.assertEqual(self.rock.playlist, [self.second_song])
def test_remove_song_fail(self):
self.rock.remove_song(self.my_song)
with self.assertRaises(NoSuchSong):
self.rock.remove_song(self.my_song)
def test_add_songs(self):
self.assertEqual(self.rock.playlist, self.songs)
def test_total_length(self):
self.assertEqual(self.rock.total_length(), "0:07:44")
def test_artists(self):
histogram = {"Deep Purple": 1, "Godsmack": 1}
self.assertEqual(self.rock.artists(), histogram)
def test_repeat(self):
self.assertEqual(self.rock.next_song(), self.my_song)
self.assertEqual(self.rock.next_song(), self.second_song)
self.assertEqual(self.rock.next_song(), self.my_song)
def test_no_more_songs(self):
self.rock.change_repeat(False)
self.assertEqual(self.rock.next_song(), self.my_song)
self.assertEqual(self.rock.next_song(), self.second_song)
with self.assertRaises(NoMoreSongs):
self.rock.next_song()
self.rock.change_shuffle(True)
self.rock.next_song()
self.rock.next_song()
with self.assertRaises(NoMoreSongs):
self.rock.next_song()
def test_shuffle(self):
self.rock.change_shuffle(True)
bard = Song("The Bard's Song", "Blind Guardian", "Somwhere Far Beyond",
"3:28")
self.rock.add_song(bard)
a = self.rock.next_song()
b = self.rock.next_song()
c = self.rock.next_song()
self.assertTrue(a != b and c != a and c != b)
def test_the_function_artists_of_a_playlist_then_return_dictionary_where_keys_are_the_artists_and_values_are_the_numbers_of_the_songs(self):
song = Song(title="Odin", artist="Manowar1", album="The Sons of Odin", length="3:44")
song2 = Song(title="Odin", artist="Manowar2", album="The Sons of Odin", length="3:44")
song3 = Song(title="Odin", artist="Manowar3", album="The Sons of Odin", length="3:44")
playlist = Playlist(name="Code", repeat=True, shuffle=True)
playlist.add_songs([song, song2, song3])
expected_result = {'Manowar1': 1, 'Manowar2': 1, 'Manowar3': 1}
self.assertEqual(playlist.artists(), expected_result)
def test_playlist_artists_works_as_expected(self):
my_playlist = Playlist(name="Code", repeat=True, shuffle=True)
test = Song(title="Odin",
artist="Manowar",
album="The Sons of Odin",
length="3:44")
my_playlist.add_song(test)
self.assertEqual(my_playlist.artists(), {'Manowar': 1})
def test_class_Playlist_method_artist(self):
song2 = Song(artist="Metalica", album="metalica",
length=385, song_name="Nothing else matters")
song3 = Song(
artist="Metalica", album="metalica", length=385, song_name="The Unforgiven")
song4 = Song(artist="Iron Maiden", album="Power Slave",
length=385, song_name="Fear of the dark")
song5 = Song(
artist="Iron Maiden", album="Power Slave", length=385, song_name="Acces High")
song6 = Song(artist="Qvkata DLG", album="Човека който се смее",
length=385, song_name="Екстра а ти ?")
songs = [song2, song3, song4, song5, song6]
pl = Playlist("rado")
pl.add_songs(songs)
self.assertTrue(pl.artists()["Metalica"] == 2)
self.assertTrue(pl.artists()["Iron Maiden"] == 2)
self.assertTrue(pl.artists()["Qvkata DLG"] == 1)
class TestPlaylist(unittest.TestCase):
def setUp(self):
self.code_songs = Playlist(name="Code", repeat=True, shuffle=True)
def test_initialisation(self):
self.assertTrue(isinstance(self.code_songs, Playlist))
def test_add_remove_song(self):
a = Song()
self.assertFalse(a in self.code_songs.song_list)
self.code_songs.add_song(a)
self.assertTrue(a in self.code_songs.song_list)
self.code_songs.remove_song(a)
self.assertTrue(a not in self.code_songs.song_list)
def test_add_songs(self):
a = Song()
b = Song(title="Pesho's song", artist="Pesho",
album="Pesho/'s album", length="23:22:12")
l = []
l.append(a)
l.append(b)
self.code_songs.add_songs(l)
self.assertTrue(a in self.code_songs.song_list)
self.assertTrue(b in self.code_songs.song_list)
def test_artists_histogram(self):
a = Song(title="alaba", artist="Rihanna",
album="Nqkoi", length="12:02")
b = Song(title="Pesho's song", artist="Pesho",
album="Pesho/'s album", length="23:22:12")
c = Song(title="PeshosOtherSong", artist="Pesho",
album="blaa", length="22:12")
self.code_songs.song_list.append(a)
self.code_songs.song_list.append(b)
self.code_songs.song_list.append(c)
dicta = {}
dicta['Pesho'] = 2
dicta['Rihanna'] = 1
self.assertEqual(dicta, self.code_songs.artists())
def test_total_length(self):
a = Song(title="alaba", artist="Rihanna",
album="Nqkoi", length="12:02")
b = Song(title="Pesho's song", artist="Pesho",
album="Pesho/'s album", length="23:22:12")
c = Song(title="PeshosOtherSong", artist="Pesho",
album="blaa", length="22:12")
self.code_songs.song_list.append(a)
self.code_songs.song_list.append(b)
self.code_songs.song_list.append(c)
self.assertEqual(self.code_songs.total_length(), '23:56:26')
class MusicPlayerTest(unittest.TestCase):
def setUp(self):
self.song = Song("Odin", "Manowar", "The Sons of Odin", "3:44")
self.playlist = Playlist("The sex and the city")
def test_str(self):
self.assertEqual(str(
self.song), "Manowar - Odin (The Sons of Odin) : 3:44")
def test_adding_song_in_playlist(self):
self.playlist.add_song(self.song)
self.assertTrue(self.playlist.has_song(self.song))
def test_removing_song(self):
self.playlist.add_song(self.song)
self.playlist.remove_song(self.song)
self.assertFalse(self.playlist.has_song(self.song))
def test_total_length(self):
song = Song("Baby", "J.Beiber", "Gay Album", "3:50")
self.playlist.add_songs([self.song, song])
self.assertEqual(self.playlist.total_length(), "0:07:34")
def test_artists(self):
song = Song("Baby", "J.Beiber", "Gay Album", "3:50")
self.playlist.add_songs([self.song, song])
self.assertEqual(
self.playlist.artists(), {'Manowar': 1, "J.Beiber": 1})
def test_play_next_song_in_empty_playlist(self):
with self.assertRaises(Exception):
self.playlist.next_song()
def test_play_next_song_if_there_is_only_one_with_repeat_False(self):
self.playlist.add_song(self.song)
with self.assertRaises(Exception):
self.playlist.next_song()
def test_next_songs_with_repeat_False(self):
random_song = Song("Random", "Manowar", "The Sons of Odin", "1:30:44")
another_song = Song("Anther", "Manowar", "The Sons of Odin", "1:30:44")
self.playlist.add_songs([self.song, random_song, another_song])
self.assertEqual(self.playlist.next_song(), random_song)
self.assertEqual(self.playlist.next_song(), another_song)
with self.assertRaises(Exception):
self.playlist.next_song()
def test_next_songs_with_repeat_True(self):
random_song = Song("Random", "Random", "The Sons of Odin", "3:44")
another_song = Song("Anther", "Kanye West", "Heartless", "4:20")
song = Song("Baby", "J.Beiber", "Gay Album", "3:50")
p = Playlist("p", repeat=True)
p.add_songs([self.song, random_song, another_song, song])
self.assertEqual(p.next_song(), random_song)
self.assertEqual(p.next_song(), another_song)
self.assertEqual(p.next_song(), song)
self.assertEqual(p.next_song(), self.song)
def test_generate_json_name(self):
self.assertEqual(
self.playlist.generate_json_name(), "The-sex-and-the-city.json")
def test_save_load(self):
song = Song("Baby", "J.Beiber", "Gay Album", "3:50")
self.playlist.add_songs([self.song, song])
self.playlist.save()
g = Playlist.load("The-sex-and-the-city.json")
self.assertEqual(self.playlist.songs, g.songs)
self.assertEqual(g.name, "The sex and the city")
def test_crawler_generate_ability(self):
crawler = MusicCrawler("/home/hdimitrova/Music/Linkin Park - Meteora")
playlist = crawler.generate_playlist("Meteora")
self.assertEqual(playlist.total_length(), '0:36:41')
def test_crawlered_playlist_save(self):
crawler = MusicCrawler("/home/hdimitrova/Music/Linkin Park - Meteora")
playlist = crawler.generate_playlist("Linkin Park - Meteora")
playlist.save()
playlist.pprint_playlist()
def test_artists_return_histogram_of_artists_in_playlist(self):
test_playlist = Playlist('OneRepublic', songs_list = [Song(title='Love Runs Out', artist='OneRepublic', album='Native', length='3:44'), Song(title='Counting Stars', artist='OneRepublic', album='Native', length='3:50')])
expected_result = {'OneRepublic': 2}
self.assertEqual(test_playlist.artists(), expected_result)
