Fixed #23801 -- Added warning when max_length is used with IntegerField

2025-10-24 06:06:09 +00:00 · 2014-11-18 15:03:13 +01:00
parent cbb5cdd155
commit e9d1f1182a
3 changed files with 37 additions and 0 deletions
--- a/tests/invalid_models_tests/test_ordinary_fields.py
+++ b/tests/invalid_models_tests/test_ordinary_fields.py
@@ -513,6 +513,25 @@ class ImageFieldTests(IsolatedModelsTestCase):
        self.assertEqual(errors, expected)


+class IntegerFieldTests(IsolatedModelsTestCase):
+
+    def test_max_length_warning(self):
+        class Model(models.Model):
+            value = models.IntegerField(max_length=2)
+
+        value = Model._meta.get_field('value')
+        errors = Model.check()
+        expected = [
+            DjangoWarning(
+                "'max_length' is ignored when used with IntegerField",
+                hint="Remove 'max_length' from field",
+                obj=value,
+                id='fields.W122',
+            )
+        ]
+        self.assertEqual(errors, expected)
+
+
 class TimeFieldTests(IsolatedModelsTestCase):

    def test_fix_default_value(self):