tests for #14082

.. but it seems it works in django trunk

Author: kvbik

tests/regressiontests/model_forms_regress/models.py

@@ -2,6 +2,18 @@
 from django.db import models
 from django.core.exceptions import ValidationError
 
+from django.forms.models import ModelForm, ModelFormMetaclass
+
+
+class MyModelFormMetaclass(ModelFormMetaclass):
+    run = 0
+    def __new__(*args, **kwargs):
+        MyModelFormMetaclass.run += 1
+        return ModelFormMetaclass.__new__(*args, **kwargs)
+
+class MyModelForm(ModelForm):
+    __metaclass__ = MyModelFormMetaclass
+
 
 class Person(models.Model):
     name = models.CharField(max_length=100)

tests/regressiontests/model_forms_regress/tests.py

@@ -10,6 +10,16 @@
 from models import Person, RealPerson, Triple, FilePathModel, Article, \
     Publication, CustomFF, Author, Author1, Homepage, Document, Edition
 
+from models import MyModelForm, MyModelFormMetaclass
+
+
+class TestModelFormFactory(TestCase):
+    def test_modelform_factory_use_specific_model_form_metaclass(self):
+        a = modelform_factory(Person, form=MyModelForm)
+        x = a()
+        self.failUnlessEqual(2, MyModelFormMetaclass.run)
+        self.failUnlessEqual(MyModelFormMetaclass, type(type(x)))
+
 
 class ModelMultipleChoiceFieldTests(TestCase):
     def test_model_multiple_choice_number_of_queries(self):