fix: improve support for date, datetime fields in grids, forms

tests/forms/test_widgets.py

@@ -1,5 +1,6 @@
 # -*- coding: utf-8; -*-
 
+import datetime
 from unittest.mock import patch
 
 import colander
@@ -8,7 +9,8 @@ from pyramid import testing
 
 from wuttaweb import grids
 from wuttaweb.forms import widgets as mod
-from wuttaweb.forms.schema import FileDownload, PersonRef, RoleRefs, UserRefs, Permissions
+from wuttaweb.forms.schema import (FileDownload, PersonRef, RoleRefs, UserRefs, Permissions,
+                                   WuttaDateTime)
 from tests.util import WebTestCase
 
 
@@ -79,6 +81,32 @@ class TestObjectRefWidget(WebTestCase):
         self.assertNotIn('url', values)
 
 
+class TestWuttaDateTimeWidget(WebTestCase):
+
+    def make_field(self, node, **kwargs):
+        # TODO: not sure why default renderer is in use even though
+        # pyramid_deform was included in setup?  but this works..
+        kwargs.setdefault('renderer', deform.Form.default_renderer)
+        return deform.Field(node, **kwargs)
+
+    def make_widget(self, **kwargs):
+        return mod.WuttaDateTimeWidget(self.request, **kwargs)
+
+    def test_serialize(self):
+        node = colander.SchemaNode(WuttaDateTime())
+        field = self.make_field(node)
+        widget = self.make_widget()
+        dt = datetime.datetime(2024, 12, 12, 13, 49, tzinfo=datetime.timezone.utc)
+
+        # editable widget has normal picker html
+        result = widget.serialize(field, str(dt))
+        self.assertIn('<wutta-datepicker', result)
+
+        # readonly is rendered per app convention
+        result = widget.serialize(field, str(dt), readonly=True)
+        self.assertEqual(result, '2024-12-12 13:49+0000')
+
+
 class TestFileDownloadWidget(WebTestCase):
 
     def make_field(self, node, **kwargs):