fix: fix behavior when editing Roles for a User

per proper UUID fields i guess

src/wuttaweb/forms/schema.py

@@ -453,16 +453,24 @@ class RoleRefs(WuttaSet):
         if 'values' not in kwargs:
             model = self.app.model
             auth = self.app.get_auth_handler()
+
+            # avoid built-ins which cannot be assigned to users
             avoid = {
                 auth.get_role_authenticated(self.session),
                 auth.get_role_anonymous(self.session),
             }
             avoid = set([role.uuid for role in avoid])
+
+            # also avoid admin unless current user is root
+            if not self.request.is_root:
+                avoid.add(auth.get_role_administrator(self.session).uuid)
+
+            # everything else can be (un)assigned for users
             roles = self.session.query(model.Role)\
                                 .filter(~model.Role.uuid.in_(avoid))\
                                 .order_by(model.Role.name)\
                                 .all()
-            values = [(role.uuid, role.name) for role in roles]
+            values = [(role.uuid.hex, role.name) for role in roles]
             kwargs['values'] = values
 
         return widgets.RoleRefsWidget(self.request, **kwargs)

src/wuttaweb/views/users.py

@@ -134,9 +134,8 @@ class UserView(MasterView):
         # roles
         f.append('roles')
         f.set_node('roles', RoleRefs(self.request))
-
         if not self.creating:
-            f.set_default('roles', [role.uuid for role in user.roles])
+            f.set_default('roles', [role.uuid.hex for role in user.roles])
 
     def unique_username(self, node, value):
         """ """

tests/forms/test_schema.py

@@ -332,13 +332,21 @@ class TestRoleRefs(DataTestCase):
         self.session.add(blokes)
         self.session.commit()
 
-        # default values for widget includes all but: authed, anon
+        # with root access, default values include: admin, blokes
+        self.request.is_root = True
         typ = mod.RoleRefs(self.request, session=self.session)
         widget = typ.widget_maker()
         self.assertEqual(len(widget.values), 2)
         self.assertEqual(widget.values[0][1], "Administrator")
         self.assertEqual(widget.values[1][1], "Blokes")
 
+        # without root, default values include: blokes
+        self.request.is_root = False
+        typ = mod.RoleRefs(self.request, session=self.session)
+        widget = typ.widget_maker()
+        self.assertEqual(len(widget.values), 1)
+        self.assertEqual(widget.values[0][1], "Blokes")
+
 
 class TestPermissions(DataTestCase):
 

tests/forms/test_widgets.py

@@ -210,14 +210,17 @@ class TestRoleRefsWidget(WebTestCase):
 
         # editable values list *excludes* admin (by default)
         html = widget.serialize(field, {admin.uuid, blokes.uuid})
-        self.assertNotIn(str(admin.uuid), html)
+        self.assertNotIn(str(admin.uuid.hex), html)
-        self.assertIn(str(blokes.uuid), html)
+        self.assertIn(str(blokes.uuid.hex), html)
 
         # but admin is included for root user
         self.request.is_root = True
+        node = colander.SchemaNode(RoleRefs(self.request, session=self.session))
+        field = self.make_field(node)
+        widget = field.widget
         html = widget.serialize(field, {admin.uuid, blokes.uuid})
-        self.assertIn(str(admin.uuid), html)
+        self.assertIn(str(admin.uuid.hex), html)
-        self.assertIn(str(blokes.uuid), html)
+        self.assertIn(str(blokes.uuid.hex), html)
 
 
 class TestUserRefsWidget(WebTestCase):