Fixed #13095 -- formfield_callback keyword argument is now more sane and works with widgets defined in ModelForm.Meta.widgets. Thanks, hvdklauw for bug report, vung for initial patch, and carljm for review.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@13730 bcc190cf-cafb-0310-a4f2-bffc1f526a37

tests/regressiontests/model_forms_regress/tests.py

@@ -250,3 +250,47 @@ class URLFieldTests(TestCase):
         form.is_valid()
         # self.assertTrue(form.is_valid())
         # self.assertEquals(form.cleaned_data['url'], 'http://example.com/test')
+
+
+class FormFieldCallbackTests(TestCase):
+
+    def test_baseform_with_widgets_in_meta(self):
+        """Regression for #13095: Using base forms with widgets defined in Meta should not raise errors."""
+        widget = forms.Textarea()
+
+        class BaseForm(forms.ModelForm):
+            class Meta:
+                model = Person
+                widgets = {'name': widget}
+
+        Form = modelform_factory(Person, form=BaseForm)
+        self.assertTrue(Form.base_fields['name'].widget is widget)
+
+    def test_custom_callback(self):
+        """Test that a custom formfield_callback is used if provided"""
+
+        callback_args = []
+
+        def callback(db_field, **kwargs):
+            callback_args.append((db_field, kwargs))
+            return db_field.formfield(**kwargs)
+
+        widget = forms.Textarea()
+
+        class BaseForm(forms.ModelForm):
+            class Meta:
+                model = Person
+                widgets = {'name': widget}
+
+        _ = modelform_factory(Person, form=BaseForm,
+                              formfield_callback=callback)
+        id_field, name_field = Person._meta.fields
+
+        self.assertEqual(callback_args,
+                         [(id_field, {}), (name_field, {'widget': widget})])
+
+    def test_bad_callback(self):
+        # A bad callback provided by user still gives an error
+        self.assertRaises(TypeError, modelform_factory, Person,
+                          formfield_callback='not a function or callable')
+