32 lines
1009 B
Python
32 lines
1009 B
Python
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from __future__ import absolute_import
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from operator import attrgetter
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from django.test import TestCase
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from .models import Restaurant, Person
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class ModelInheritanceSelectRelatedTests(TestCase):
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def test_inherited_select_related(self):
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# Regression test for #7246
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r1 = Restaurant.objects.create(
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name="Nobu", serves_sushi=True, serves_steak=False
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)
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r2 = Restaurant.objects.create(
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name="Craft", serves_sushi=False, serves_steak=True
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)
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p1 = Person.objects.create(name="John", favorite_restaurant=r1)
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p2 = Person.objects.create(name="Jane", favorite_restaurant=r2)
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self.assertQuerysetEqual(
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Person.objects.order_by("name").select_related(), [
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"Jane",
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"John",
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],
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attrgetter("name")
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)
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jane = Person.objects.order_by("name").select_related("favorite_restaurant")[0]
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self.assertEqual(jane.favorite_restaurant.name, "Craft")
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