def test_unserialize_invalid_isbn(self):
unserialized = unserialize(b"default/123456789")
self.assertEqual(None, unserialized)
unserialized = unserialize(b"default/123456789012")
self.assertEqual(None, unserialized)
unserialized = unserialize(b"default/123456789012a")
self.assertEqual(None, unserialized)
def test_unserialize_invalid_voice(self):
unserialized = unserialize(b"1234567890123")
self.assertEqual(None, unserialized)
unserialized = unserialize(b"./1234567890123")
self.assertEqual(None, unserialized)
unserialized = unserialize(b"/1234567890123")
self.assertEqual(None, unserialized)
unserialized = unserialize(b"//1234567890123")
self.assertEqual(None, unserialized)
def test_unserialize_valid(self):
unserialized = unserialize(b"default/1234567890123")
self.assertEqual(("default", "1234567890123"), unserialized)
unserialized = unserialize(b"default/1234567890")
self.assertEqual(("default", "1234567890"), unserialized)
def test_unserialize_empty(self):
unserialized = unserialize(b"")
self.assertEqual(None, unserialized)
