def test_get_num_available_books_with_zero_quantity(self):
book = BookFactory(quantity=0)
num_available = book.get_num_available_book()
self.assertEqual(0, num_available)
def test_get_num_available_books_with_quantity_greater_than_zero(self):
book = BookFactory(quantity=3)
num_available = book.get_num_available_book()
self.assertEqual(3, num_available)
def test_get_book_deadline_method_empty_book(self):
book = BookFactory()
deadline = book.get_book_deadline()
self.assertEqual({}, deadline)