class TestMusicPlayer(unittest.TestCase):
def setUp(self):
self.song = Song(title="Why",
artist="BTR",
album="Why",
length="1:04:44")
self.same_as_song = Song(title="Why",
artist="BTR",
album="Why",
length="1:04:44")
self.other_song = Song(title="Kukavica",
artist="Ceca",
album="Best From Ceca",
length="3:54")
def test_str_representation(self):
self.assertEqual(
str(self.song),
f"{self.song.artist} - {self.song.title} from {self.song.album} - {self.song.length}"
)
def test_songs_are_equal(self):
self.assertEqual(self.song, self.same_as_song)
def test_songs_are_diferent(self):
self.assertNotEqual(self.song, self.other_song)
def test_songs_lenght(self):
song_lenght_in_seconds = 3884
song_lenght_in_minutes = 64
song_lenght_in_hours = 1
song_exact_lenght = "1:04:44"
with self.subTest("Test lenght of song instance in seconds"):
self.assertEqual(self.song.get_length(seconds=True),
song_lenght_in_seconds)
with self.subTest("Test lenght of song instance in minutes"):
self.assertEqual(self.song.get_length(minutes=True),
song_lenght_in_minutes)
with self.subTest("Test lenght of song instance in hours"):
self.assertEqual(self.song.get_length(hours=True),
song_lenght_in_hours)
with self.subTest(
"Test lenght of song instance as it is given (string)"):
self.assertEqual(self.song.get_length(), song_exact_lenght)
with self.subTest("Test for raise TypeError"):
with self.assertRaises(TypeError):
self.song.get_length(seconds=True, hours=True)
def test_other_song_lenght(self):
song_lenght_in_seconds = 234
song_lenght_in_minutes = 3
song_lenght_in_hours = 0
song_exact_lenght = "3:54"
with self.subTest("Test lenght of song instance in seconds"):
self.assertEqual(self.other_song.get_length(seconds=True),
song_lenght_in_seconds)
with self.subTest("Test lenght of song instance in minutes"):
self.assertEqual(self.other_song.get_length(minutes=True),
song_lenght_in_minutes)
with self.subTest("Test lenght of song instance in hours"):
self.assertEqual(self.other_song.get_length(hours=True),
song_lenght_in_hours)
with self.subTest(
"Test lenght of song instance as it is given (string)"):
self.assertEqual(self.other_song.get_length(), song_exact_lenght)
