text: import datetime
  
  from django.test import TestCase
  from django.utils import timezone
  
  from .models import Question
  
  
  class QuestionModelTests(TestCase):
  
      def test_was_published_recently_with_future_question(self):
          """
          was_published_recently() returns False for questions whose pub_date
          is in the future.
          """
          time = timezone.now() + datetime.timedelta(days=30)
          future_question = Question(pub_date=time)
          self.assertIs(future_question.was_published_recently(), False)
  
      def test_was_published_recently_with_old_question(self):
          """
          was_published_recently() returns False for questions whose pub_date
          is older than 1 day.
          """
          time = timezone.now() - datetime.timedelta(days=1, seconds=1)
          old_question = Question(pub_date=time)
          self.assertIs(old_question.was_published_recently(), False)
  
      def test_was_published_recently_with_recent_question(self):
          """
          was_published_recently() returns True for questions whose pub_date
          is within the last day.
          """
          time = timezone.now() - datetime.timedelta(hours=23, minutes=59, seconds=59)
          recent_question = Question(pub_date=time)
          self.assertIs(recent_question.was_published_recently(), True)
  