Fixed #27186 -- Fixed model form default fallback for MultiWidget, FileInput, SplitDateTimeWidget, SelectDateWidget, and SplitArrayWidget.

Thanks Matt Westcott for the review.

1 files changed, 7 insertions, 0 deletions

diff --git a/tests/forms_tests/widget_tests/test_multiwidget.py b/tests/forms_tests/widget_tests/test_multiwidget.py
index 5338104f5c..a7cd8e0d5d 100644
--- a/tests/forms_tests/widget_tests/test_multiwidget.py
+++ b/tests/forms_tests/widget_tests/test_multiwidget.py
@@ -118,6 +118,13 @@ class MultiWidgetTest(WidgetTest):
             '<input id="bar_1" type="text" class="small" value="lennon" name="name_1" />'
         ))
 
+    def test_value_omitted_from_data(self):
+        widget = MyMultiWidget(widgets=(TextInput(), TextInput()))
+        self.assertIs(widget.value_omitted_from_data({}, {}, 'field'), True)
+        self.assertIs(widget.value_omitted_from_data({'field_0': 'x'}, {}, 'field'), False)
+        self.assertIs(widget.value_omitted_from_data({'field_1': 'y'}, {}, 'field'), False)
+        self.assertIs(widget.value_omitted_from_data({'field_0': 'x', 'field_1': 'y'}, {}, 'field'), False)
+
     def test_needs_multipart_true(self):
         """
         needs_multipart_form should be True if any widgets need it.