class SongTest(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")
def test_song_constructor(self):
self.assertTrue(isinstance(self.my_song, Song))
self.assertEqual(self.my_song.title(), "Solder Of Frortune")
self.assertEqual(self.my_song.artist(), "Deep Purple")
self.assertEqual(self.my_song.album(), "Stormbringer")
self.assertEqual(self.my_song.length(), "3:14")
def test_time_error(self):
with self.assertRaises(ValueError):
other_song = Song("Knocking on your back door", "Deep Purple",
"IDK", "3:65")
with self.assertRaises(ValueError):
other_song = Song("Knocking on your back door", "Deep Purple",
"IDK", "63:45")
with self.assertRaises(ValueError):
other_song = Song("Knocking on your back door", "Deep Purple",
"IDK", "45:63")
with self.assertRaises(ValueError):
other_song = Song("Knocking on your back door", "Deep Purple",
"IDK", "1:63:45")
with self.assertRaises(ValueError):
other_song = Song("Knocking on your back door", "Deep Purple",
"IDK", "1:43:65")
with self.assertRaises(ValueError):
other_song = Song("Knocking on your back door", "Deep Purple",
"IDK", "1:4:253")
with self.assertRaises(ValueError):
other_song = Song("Knocking on your back door", "Deep Purple",
"IDK", "1:433:15")
def test_str_cast(self):
self.assertEqual(
str(self.my_song),
"Solder Of Frortune - Deep Purple from Stormbringer - 3:14")
def test_eq(self):
self.assertTrue(self.my_song != self.second_song)
self.assertTrue(self.my_song == self.my_song)
def test_hash_cast(self):
self.assertIsNotNone(hash(self.my_song))
def test_duration(self):
self.assertEqual(self.my_song.duration(seconds=True), 194)
self.assertEqual(self.my_song.duration(minutes=True), 3)
self.assertEqual(self.my_song.duration(hours=True), 0)
self.assertEqual(self.my_song.duration(), "3:14")
