Fixed #31596 -- Changed ForeignKey.validate() to use the base manager.

2 files changed, 16 insertions, 0 deletions

diff --git a/tests/validation/models.py b/tests/validation/models.py
index 47fb895ec5..ff9aad11f0 100644
--- a/tests/validation/models.py
+++ b/tests/validation/models.py
@@ -74,8 +74,17 @@ class CustomMessagesModel(models.Model):
     )
 
 
+class AuthorManager(models.Manager):
+    def get_queryset(self):
+        qs = super().get_queryset()
+        return qs.filter(archived=False)
+
+
 class Author(models.Model):
     name = models.CharField(max_length=100)
+    archived = models.BooleanField(default=False)
+
+    objects = AuthorManager()
 
 
 class Article(models.Model):
diff --git a/tests/validation/tests.py b/tests/validation/tests.py
index 46fe2f0c7b..5598b5ffe6 100644
--- a/tests/validation/tests.py
+++ b/tests/validation/tests.py
@@ -48,6 +48,13 @@ class BaseModelValidationTests(ValidationAssertions, TestCase):
         mtv = ModelToValidate(number=10, name='Some Name', parent_id=parent.pk)
         self.assertFailsValidation(mtv.full_clean, ['parent'])
 
+    def test_FK_validates_using_base_manager(self):
+        # Archived articles are not available through the default manager, only
+        # the base manager.
+        author = Author.objects.create(name="Randy", archived=True)
+        article = Article(title='My Article', author=author)
+        self.assertIsNone(article.full_clean())
+
     def test_wrong_email_value_raises_error(self):
         mtv = ModelToValidate(number=10, name='Some Name', email='not-an-email')
         self.assertFailsValidation(mtv.full_clean, ['email'])