def test_was_published_recently_with_future_book(self):
time = timezone.now() + datetime.timedelta(days=30)
future_book = Book(title='Future', author='Future', publisher='Future', pub_date=time)
self.assertEqual(future_book.was_published_recently(), False)
def test_was_published_recently_with_old_book(self):
time = timezone.now() - datetime.timedelta(days=31)
past_book = Book(title='Past', author='Past', publisher='Past', pub_date=time)
self.assertEqual(past_book.was_published_recently(), False)
def test_was_published_recently_with_recent_book(self):
time = timezone.now() - datetime.timedelta(days=15)
recent_book = Book(title='Recent', author='Recent', publisher='Recent', pub_date=time)
self.assertEqual(recent_book.was_published_recently(), True)