def test_save(self):
s1 = Song('One', 'U2', 'Achtung Baby', '4:38')
s2 = Song('Two', 'U2', 'Epimeno', '7:32')
p = Playlist('Ala bala')
p.add_songs([s1, s2])
p.save()
self.assertTrue(os.path.isfile('./Ala-bala.json'))
def test_equal_two_songs_are_equal(self):
s1 = Song('One', 'U2', 'Achtung Baby', '4:38')
s2 = Song('One', 'U2', 'Achtung Baby', '4:38')
result = s1 == s2
self.assertEqual(s1, s2)
self.assertTrue(result)
def test_next_song_returns_next_song(self):
s1 = Song('One', 'U2', 'Achtung Baby', '4:38')
s2 = Song('Two', 'U2', 'Epimeno', '7:32')
p = Playlist('Ala bala')
p.add_songs([s1, s2])
self.assertEqual(p.next_song(), s1)
self.assertEqual(p.next_song(), s2)
def test_not_equal_songs_aint_equal(self):
s1 = Song('One', 'U2', 'Achtung Baby', '4:38')
s2 = Song('One', 'U3', 'Achtung Baby', '13:37')
result = s1 != s2
self.assertNotEqual(s1, s2)
self.assertTrue(result)
def test_playlist_total_length(self):
s1 = Song('One', 'U2', 'Achtung Baby', '4:38')
s2 = Song('Warriors of the World', 'Manowar', 'Manowar album', '3:10')
p = Playlist('random songs')
p.add_songs([s1,s2])
result = p.total_length()
self.assertEqual(result , '7:48')
def test_show_artists_displays_correctly(self):
s1 = Song('One', 'U2', 'Achtung Baby', '4:38')
s2 = Song('Two', 'U2', 'Epimeno', '7:32')
s3 = Song('Three', 'U2', 'Achtung Baby', '3:15')
s4 = Song('Warriors of the World', 'Manowar', 'Manowar album', '3:10')
p = Playlist('Ala bala')
p.add_songs([s1, s2, s3, s4])
expectedHistogram = {'U2': 3, 'Manowar': 1}
self.assertEqual(p.show_artists(), expectedHistogram)
def test_playlist_add_songs(self):
s1 = Song('One', 'U2', 'Achtung Baby', '4:38')
s2 = Song('Warriors of the World', 'Manowar', 'Manowar album', '3:10')
s3 = Song('Chiki chiki ta', 'Kondio', 'Doko doko', '7:32')
songlist = [s1, s2, s3]
p = Playlist('mish mash')
p.add_songs(songlist)
for s in songlist:
self.assertIn(s, p.songslist)
def test_next_song_repeat_works(self):
s1 = Song('One', 'U2', 'Achtung Baby', '4:38')
s2 = Song('Two', 'U2', 'Epimeno', '7:32')
s3 = Song('Three', 'U2', 'Achtung Baby', '3:15')
p = Playlist('Ala bala', repeat=True)
p.add_songs([s1, s2, s3])
self.assertEqual(p.next_song(), s1)
self.assertEqual(p.next_song(), s2)
self.assertEqual(p.next_song(), s3)
self.assertEqual(p.next_song(), s1)
def test_load(self):
s1 = Song('One', 'U2', 'Achtung Baby', '4:38')
s2 = Song('Two', 'U2', 'Epimeno', '7:32')
s3 = Song('Three', 'Kondio', 'Doko doko', '7:32')
p = Playlist('newplaylist')
newsongs = p.load('./Ala-bala.json')
os.remove("./Ala-bala.json")
p.add_songs(newsongs)
self.assertIn(s1, p.songslist)
self.assertIn(s2, p.songslist)
self.assertNotIn(s3, p.songslist)
def test_playlist_add_song(self):
s1 = Song('One', 'U2', 'Achtung Baby', '4:38')
p = Playlist('Onesong')
p.add_song(s1)
self.assertIn(s1, p.songslist)
def test_song_string_representation_returns_correctly(self):
s = Song('One', 'U2', 'Achtung Baby', '4:38')
shouldReturn = 'U2 - One from Achtung Baby - 4:38'
self.assertEqual(shouldReturn, str(s))
def test_length_returns_length_in_minutes_if_given_hours(self):
s1 = Song('A long song', 'U10', 'Achtung Baby', '2:04:38')
result = s1.song_length(minutes = True)
self.assertEqual('124:38', result)
def test_length_returns_length_in_hours(self):
s1 = Song('One', 'U2', 'Achtung Baby', '4:38')
result = s1.song_length(hours = True)
self.assertEqual('0.08', result)
def test_length_returns_length_in_seconds(self):
s1 = Song('One', 'U2', 'Achtung Baby', '4:38')
result = s1.song_length(seconds = True)
self.assertEqual('278', result)