Refs #32508 -- Raised Type/ValueError instead of using "assert" in django.db.models.

Co-authored-by: Mariusz Felisiak <felisiak.mariusz@gmail.com>

1 files changed, 12 insertions, 0 deletions

diff --git a/tests/invalid_models_tests/test_models.py b/tests/invalid_models_tests/test_models.py
index 66657211b2..f0984fa759 100644
--- a/tests/invalid_models_tests/test_models.py
+++ b/tests/invalid_models_tests/test_models.py
@@ -1591,6 +1591,18 @@ class OtherModelTests(SimpleTestCase):
         ])
 
 
+class MultipleAutoFieldsTests(TestCase):
+    def test_multiple_autofields(self):
+        msg = (
+            "Model invalid_models_tests.MultipleAutoFields can't have more "
+            "than one auto-generated field."
+        )
+        with self.assertRaisesMessage(ValueError, msg):
+            class MultipleAutoFields(models.Model):
+                auto1 = models.AutoField(primary_key=True)
+                auto2 = models.AutoField(primary_key=True)
+
+
 @isolate_apps('invalid_models_tests')
 class JSONFieldTests(TestCase):
     @skipUnlessDBFeature('supports_json_field')