def test_get_books_from_author(self):
borges = Author("Jorge Luis Borges", "AR")
ficciones = Book("Ficciones", author=borges)
aleph = Book("The Aleph", author=borges)
self.assertEqual(borges.get_books(), [ficciones, aleph])
def test_get_books_from_author():
borges = Author("Jorge Luis Borges", "AR")
ficciones = Book("Ficciones", author=borges)
aleph = Book("The Aleph", author=borges)
assert borges.get_books() == [ficciones, aleph]