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-rw-r--r--tests/basic/models.py4
-rw-r--r--tests/basic/tests.py13
2 files changed, 16 insertions, 1 deletions
diff --git a/tests/basic/models.py b/tests/basic/models.py
index c08b147ac4..40de6ae7de 100644
--- a/tests/basic/models.py
+++ b/tests/basic/models.py
@@ -17,6 +17,10 @@ class Article(models.Model):
return self.headline
+class FeaturedArticle(models.Model):
+ article = models.OneToOneField(Article, models.CASCADE, related_name='featured')
+
+
class ArticleSelectOnSave(Article):
class Meta:
proxy = True
diff --git a/tests/basic/tests.py b/tests/basic/tests.py
index d877562116..7a99ab0cf0 100644
--- a/tests/basic/tests.py
+++ b/tests/basic/tests.py
@@ -10,7 +10,7 @@ from django.test import (
)
from django.utils.translation import gettext_lazy
-from .models import Article, ArticleSelectOnSave, SelfRef
+from .models import Article, ArticleSelectOnSave, FeaturedArticle, SelfRef
class ModelInstanceCreationTests(TestCase):
@@ -711,3 +711,14 @@ class ModelRefreshTests(TestCase):
a = Article.objects.create(pub_date=datetime.now())
with self.assertNumQueries(0):
a.refresh_from_db(fields=[])
+
+ def test_refresh_clears_reverse_related(self):
+ """refresh_from_db() clear cached reverse relations."""
+ article = Article.objects.create(
+ headline='Parrot programs in Python',
+ pub_date=datetime(2005, 7, 28),
+ )
+ self.assertFalse(hasattr(article, 'featured'))
+ FeaturedArticle.objects.create(article_id=article.pk)
+ article.refresh_from_db()
+ self.assertTrue(hasattr(article, 'featured'))