@no_oracle
    def test13_select_related_null_fk(self):
        no_author = Book.objects.create(title='Without Author')
        b = Book.objects.select_related('author').get(title='Without Author')
        # Should be `None`, and not a 'dummy' model.
        self.assertEqual(None, b.author)
Testing `select_related` on a nullable ForeignKey via `GeoManager`. See #11381.
dataset/ETHPy150Open AppScale/appscale/AppServer/lib/django-1.4/django/contrib/gis/tests/relatedapp/tests.py/RelatedGeoModelTest.test13_select_related_null_fk