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Refs #31657 -- Added test for ordering by self-referential ForeignKeys.

This commit is contained in:
Hasan Ramezani
2020-06-10 11:10:15 +02:00
committed by Mariusz Felisiak
parent a59de6e89e
commit c1f7de8acc
2 changed files with 12 additions and 0 deletions

View File

@@ -343,6 +343,17 @@ class OrderingTests(TestCase):
attrgetter("headline")
)
def test_order_by_self_referential_fk(self):
self.a1.author = Author.objects.create(editor=self.author_1)
self.a1.save()
self.a2.author = Author.objects.create(editor=self.author_2)
self.a2.save()
self.assertQuerysetEqual(
Article.objects.filter(author__isnull=False).order_by('author__editor'),
['Article 2', 'Article 1'],
attrgetter('headline'),
)
def test_order_by_f_expression(self):
self.assertQuerysetEqual(
Article.objects.order_by(F('headline')), [