fix: add GridWidget and form.set_grid() for convenience

omg how did i not do this sooner

tests/forms/test_base.py

@@ -142,6 +142,20 @@ class TestForm(TestCase):
         self.assertIs(form.widgets['foo'], new_widget)
         self.assertIs(schema['foo'].widget, new_widget)
 
+    def test_set_grid(self):
+        form = self.make_form(fields=['foo', 'bar'])
+        self.assertNotIn('foo', form.widgets)
+        self.assertNotIn('foogrid', form.grid_vue_context)
+
+        grid = Grid(self.request, key='foogrid',
+                    columns=['a', 'b'],
+                    data=[{'a': 1, 'b': 2}, {'a': 3, 'b': 4}])
+
+        form.set_grid('foo', grid)
+        self.assertIn('foo', form.widgets)
+        self.assertIsInstance(form.widgets['foo'], widgets.GridWidget)
+        self.assertIn('foogrid', form.grid_vue_context)
+
     def test_set_validator(self):
         form = self.make_form(fields=['foo', 'bar'])
         self.assertEqual(form.validators, {})

tests/forms/test_schema.py

@@ -100,7 +100,7 @@ class TestObjectRef(DataTestCase):
         self.assertIsNotNone(person.uuid)
         typ = mod.ObjectRef(self.request)
         value = typ.serialize(node, person)
-        self.assertEqual(value, person.uuid)
+        self.assertEqual(value, person.uuid.hex)
 
     def test_deserialize(self):
         model = self.app.model

tests/forms/test_widgets.py

@@ -6,6 +6,7 @@ import colander
 import deform
 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 tests.util import WebTestCase
@@ -117,6 +118,31 @@ class TestFileDownloadWidget(WebTestCase):
         self.assertEqual(html2, html)
 
 
+class TestGridWidget(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 test_serialize(self):
+        grid = grids.Grid(self.request,
+                          columns=['foo', 'bar'],
+                          data=[{'foo': 1, 'bar': 2}, {'foo': 3, 'bar': 4}])
+
+        node = colander.SchemaNode(colander.String())
+        widget = mod.GridWidget(self.request, grid)
+        field = self.make_field(node)
+
+        # readonly works okay
+        html = widget.serialize(field, None, readonly=True)
+        self.assertIn('<b-table ', html)
+
+        # but otherwise, error
+        self.assertRaises(NotImplementedError, widget.serialize, field, None)
+
+
 class TestRoleRefsWidget(WebTestCase):
 
     def make_field(self, node, **kwargs):