Add date field type (ref #51)

daybed/schemas/base.py

@@ -14,14 +14,15 @@
     Boolean,
     Regex,
     Email,
+    Date
 )
 
 
 __all__ = ['registry', 'TypeField',
            'DefinitionValidator', 'SchemaValidator',
            'IntField', 'StringField', 'RangeField', 
            'RegexField', 'EmailField', 'URLField',
-           'DecimalField']
+           'DecimalField', 'DateField']
 
 
 class AlreadyRegisteredError(Exception):
@@ -233,3 +234,9 @@ def validation(cls, **kwargs):
             r'(?:/?|[/?]\S+)$', re.IGNORECASE)
         kwargs['validator'] = Regex(urlpattern, msg="Invalid URL")
         return super(URLField, cls).validation(**kwargs)
+
+
+@registry.add('date')
+class DateField(TypeField):
+    """A date field (ISO_8601, yyyy-mm-dd)."""
+    node = Date

daybed/tests/test_functional.py

@@ -230,6 +230,36 @@ def update_data(self, entry):
         entry['status'] = 'done'
 
 
+class TimestampedModelTest(FunctionalTest, BaseWebTest):
+
+    model_name = 'timestamped'
+
+    @property
+    def valid_definition(self):
+        return {
+            "title": "timestamped",
+            "description": "Playing with date fields",
+            "fields": [
+                {
+                    "name": "creation",
+                    "type": "date",
+                    "description": "created on"
+                }
+            ]
+        }
+
+    @property
+    def valid_data(self):
+        return {'creation': '2012-04-15'}
+
+    @property
+    def invalid_data(self):
+        return {'creation': '15-04-2012'}
+
+    def update_data(self, entry):
+        entry['creation'] = '2013-05-30'
+
+
 class MushroomsModelTest(FunctionalTest, BaseWebTest):
 
     model_name = 'mushroom_spots'

daybed/tests/test_types.py

@@ -1,3 +1,5 @@
+import datetime
+
 import pyramid.testing
 import colander
 
@@ -90,6 +92,21 @@ def test_url(self):
                           validator.deserialize('http://daybed.lolnet.org'))
         self.assertRaises(colander.Invalid, validator.deserialize, 'http://lolnet/org')
 
+    def test_date(self):
+        schema = schemas.DateField.definition()
+        definition = schema.deserialize(
+            {'description': 'First commit',
+             'name': 'creation',
+             'type': 'date'})
+
+        validator = schemas.DateField.validation(**definition)
+        self.assertEquals(datetime.date(2012, 4, 15),
+                          validator.deserialize('2012-04-15'))
+        self.assertRaises(colander.Invalid, validator.deserialize, '2012/04/15')
+        self.assertRaises(colander.Invalid, validator.deserialize, '2012-13-01')
+        self.assertRaises(colander.Invalid, validator.deserialize, '2012-04-31')
+        self.assertRaises(colander.Invalid, validator.deserialize, '2012-04-30T13:37Z')
+
     def test_point(self):
         schema = schemas.PointField.definition()
         definition = schema.deserialize(