Fixed #10243, #11043 -- Corrected handling of formsets over a ForeignKey that uses to_field, and by extension, fixed the admin for handling fields of that type. Thanks to apollo13 for the initial patch.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@10756 bcc190cf-cafb-0310-a4f2-bffc1f526a37

tests/regressiontests/model_formsets_regress/tests.py

@@ -0,0 +1,24 @@
+from django.forms.models import inlineformset_factory
+from django.test import TestCase
+
+from models import User, UserSite
+
+class InlineFormsetTests(TestCase):
+    def test_formset_over_to_field(self):
+        "A formset over a ForeignKey with a to_field can be saved. Regression for #10243"
+        FormSet = inlineformset_factory(User, UserSite)
+        user = User.objects.create(serial=1, username='apollo13')
+        user.save()
+        data = {
+            'usersite_set-TOTAL_FORMS': u'1',
+            'usersite_set-INITIAL_FORMS': u'0',
+            'usersite_set-0-data': u'10',
+            'usersite_set-0-user': u'apollo13'
+        }
+        form_set = FormSet(data, instance=user)
+        if form_set.is_valid():
+            form_set.save()
+            usersite = UserSite.objects.all().values()[0]
+            self.assertEqual(usersite, {'data': 10, 'user_id': u'apollo13', 'id': 1})
+        else:
+            self.fail('Errors found on form:%s' % form_set.errors)