Ticket #27724: ticket_27724.diff

django/forms/widgets.py

@@ -912 +912 @@
     template_name = 'django/forms/widgets/select_date.html'
     input_type = 'select'
     select_widget = Select
-    date_re = re.compile(r'(\d{4})-(\d\d?)-(\d\d?)$')
+    date_re = re.compile(r'(\d{4}|0)-(\d\d?)-(\d\d?)$')
 
     def __init__(self, attrs=None, years=None, months=None, empty_label=None):
         self.attrs = attrs or {}

tests/forms_tests/widget_tests/test_selectdatewidget.py

@@ -485 +485 @@
         self.assertIs(self.widget.value_omitted_from_data({'field_day': '1'}, {}, 'field'), False)
         data = {'field_day': '1', 'field_month': '12', 'field_year': '2000'}
         self.assertIs(self.widget.value_omitted_from_data(data, {}, 'field'), False)
+
+    def test_regexp_date_re(self):
+        # valid formats
+        self.assertIsNotNone(self.widget.date_re.match('2000-1-1'))  # 1 digit for (day & month)
+        self.assertIsNotNone(self.widget.date_re.match('2000-10-15'))  # 2 digit for (day & month)
+        self.assertIsNotNone(self.widget.date_re.match('2000-01-01'))  # 2 digit for (day & month) starting on 0
+        self.assertIsNotNone(self.widget.date_re.match('2000-01-0'))  # day not provided
+        self.assertIsNotNone(self.widget.date_re.match('2000-0-01'))  # month not provided
+        self.assertIsNotNone(self.widget.date_re.match('0-01-01'))  # year not provided
+        self.assertIsNotNone(self.widget.date_re.match('2000-0-0'))  # day & month not provided
+        self.assertIsNotNone(self.widget.date_re.match('0-01-0'))  # day & year not provided
+        self.assertIsNotNone(self.widget.date_re.match('0-0-01'))  # month & year not provided
+        self.assertIsNotNone(self.widget.date_re.match('0-0-0'))  # day, month & year not provided
+        # invalid formats
+        self.assertIsNone(self.widget.date_re.match('2000-01-001'))  # invalid day
+        self.assertIsNone(self.widget.date_re.match('2000-001-01'))  # invalid month
+        # invalid year formats (year accept only 4 digits or 0)
+        self.assertIsNone(self.widget.date_re.match('2-01-01'))
+        self.assertIsNone(self.widget.date_re.match('20-01-01'))
+        self.assertIsNone(self.widget.date_re.match('200-01-01'))
+        self.assertIsNone(self.widget.date_re.match('20000-01-01'))