Ticket #17155: 17155-test.diff

tests/regressiontests/model_formsets_regress/tests.py

@@ -230 +230 @@
             self.assertTrue(isinstance(form.errors, ErrorDict))
             self.assertTrue(isinstance(form.non_field_errors(), ErrorList))
 
+    def test_clean_applies_to_model(self):
+        '''
+        Test that value modified in custom form clean() method is applied to saved models
+        '''
+        class UserFormWithClean(forms.ModelForm):
+            class Meta:
+                model = User
+
+            def clean(self):
+                self.cleaned_data['serial'] += 1
+                return self.cleaned_data
+
+        Formset = modelformset_factory(User, form=UserFormWithClean)
+        data = {
+            'form-TOTAL_FORMS': u'2',
+            'form-INITIAL_FORMS': u'0',
+            'form-MAX_NUM_FORMS': u'0',
+            'form-0-id': '',
+            'form-0-username': u'apollo12',
+            'form-0-serial': u'1',
+            'form-1-id': '',
+            'form-1-username': u'apollo13',
+            'form-1-serial': u'2',
+        }
+        formset = Formset(data)
+        self.assertTrue(formset.is_valid())
+        users = formset.save()
+        self.assertEqual(users[-1].serial, 3)
+
+
 class CustomWidget(forms.CharField):
     pass