from datetime import date from django.test import TestCase from .models import Article class MethodsTests(TestCase): def test_custom_methods(self): a = Article.objects.create( headline="Parrot programs in Python", pub_date=date(2005, 7, 27) ) b = Article.objects.create( headline="Beatles reunite", pub_date=date(2005, 7, 27) ) self.assertFalse(a.was_published_today()) self.assertQuerysetEqual( a.articles_from_same_day_1(), [ "Beatles reunite", ], lambda a: a.headline, ) self.assertQuerysetEqual( a.articles_from_same_day_2(), [ "Beatles reunite", ], lambda a: a.headline, ) self.assertQuerysetEqual( b.articles_from_same_day_1(), [ "Parrot programs in Python", ], lambda a: a.headline, ) self.assertQuerysetEqual( b.articles_from_same_day_2(), [ "Parrot programs in Python", ], lambda a: a.headline, )