Ticket #22290: 22290-test.diff

tests/forms_tests/tests/test_forms.py

@@ -19 +19 @@
 from django.http import QueryDict
 from django.template import Template, Context
 from django.test import TestCase
-from django.test.utils import str_prefix
+from django.test.utils import override_settings, str_prefix
 from django.utils.datastructures import MultiValueDict, MergeDict
 from django.utils.safestring import mark_safe
 from django.utils import six
@@ -1272 +1272 @@
         self.assertFalse(p.is_valid())
         self.assertIn('pedantic', p.changed_data)
 
+    @override_settings(USE_L10N=False, DATE_INPUT_FORMATS=('%d.%m.%Y', '%Y-%m-%d'))
+    def test_changed_data_date_hidden(self):
+        class PersonForm(Form):
+            name = CharField()
+            birthday = DateField(show_hidden_initial=True)
+
+        form = PersonForm(initial={'birthday': datetime.date(1974, 8, 16)})
+        self.assertInHTML(
+            '<input id="initial-id_birthday" name="initial-birthday" type="hidden" value="1974-08-16" />',
+            form.as_ul())
+        form = PersonForm(
+            data={'name': 'John', 'birthday': '16.8.1974', 'initial-birthday': '1974-08-16'},
+            initial={'name': 'John', 'birthday': datetime.date(1974, 8, 16)}
+        )
+        self.assertFalse(form.has_changed())
+
     def test_boundfield_values(self):
         # It's possible to get to the value which would be used for rendering
         # the widget for a field by using the BoundField's value method.