def test_was_closed_is_work(self):
"""Test for was_closed().
was_closed() must returns True for questions whose end_date is now or passed.
"""
time = timezone.now()
after_day = time + self.add_time_one_year
question1 = Question(pub_date=time, end_date=after_day)
self.assertIs(question1.was_closed(), False)
question2 = Question(pub_date=time, end_date=time)
self.assertIs(question2.was_closed(), True)
end_time = time - datetime.timedelta(days=1)
question3 = Question(pub_date=time, end_date=end_time)
self.assertIs(question3.was_closed(), True)
