def test_increment_id(self):
     repository = Repository()
     tweet1 = Tweet("Ah que coucou.")
     repository.add(tweet1)
     self.assertEqual(tweet1.id, 1)
     tweet2 = Tweet("Tirelipimpon sur le Chihuahua.")
     repository.add(tweet2)
     self.assertEqual(tweet2.id, 2)
 def test_get(self):
     repository = Repository()
     tweet = Tweet("Le gras c'est la vie.")
     repository.add(tweet)
     self.assertEqual(tweet, repository.get(1))
     self.assertIsNone(repository.get(2))
 def test_add(self):
     repository = Repository()
     tweet = Tweet("Coucou petite perruche.")
     repository.add(tweet)
     self.assertEqual(len(repository.tweets), 1)