[IMP] Fix edition of role

base_user_role/models/role.py

@@ -47,6 +47,14 @@ class ResUsersRole(models.Model):
         return new_record
 
     def write(self, vals):
+        # Workaround to solve issue with broken code in odoo that clear the cache
+        # during the write: see odoo/addons/base/models/res_users.py#L226
+        groups_vals = {}
+        for field in self.group_id._fields:
+            if field in vals:
+                groups_vals[field] = vals.pop(field)
+        if groups_vals:
+            self.group_id.write(groups_vals)
         res = super(ResUsersRole, self).write(vals)
         self.update_users()
         return res

base_user_role/tests/test_user_role.py

@@ -224,3 +224,8 @@ class TestUserRole(TransactionCase):
         role_group_ids = sorted(set(role_group_ids))
         # Check that user have groups implied by role 2
         self.assertEqual(user_group_ids, role_group_ids)
+
+    def test_update_role(self):
+        self.role1_id.write({"name": "foo", "comment": "FOO"})
+        self.assertEqual(self.role1_id.group_id.name, "foo")
+        self.assertEqual(self.role1_id.group_id.comment, "FOO")