test(itil): Ensure readonly logic is enforce in backend

Author: froozeify

src/CommonITILObject.php

@@ -8273,7 +8273,8 @@ public function getITILTemplateToUse(
      *
      * @since 11.0.2
      */
-    public function getITILTemplateFromInput(array $input = []): ITILTemplate {
+    public function getITILTemplateFromInput(array $input = []): ITILTemplate
+    {
         $entid = $input['entities_id'] ?? $this->fields['entities_id'];
 
         $type = null;

tests/functional/ChangeITILTemplateReadonlyFieldTest.php

@@ -0,0 +1,46 @@
+<?php
+
+/**
+ * ---------------------------------------------------------------------
+ *
+ * GLPI - Gestionnaire Libre de Parc Informatique
+ *
+ * http://glpi-project.org
+ *
+ * @copyright 2015-2025 Teclib' and contributors.
+ * @licence   https://www.gnu.org/licenses/gpl-3.0.html
+ *
+ * ---------------------------------------------------------------------
+ *
+ * LICENSE
+ *
+ * This file is part of GLPI.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ * ---------------------------------------------------------------------
+ */
+
+namespace functional;
+
+use Change;
+use Glpi\Tests\AbstractITILTemplateReadonlyFieldTest;
+
+class ChangeITILTemplateReadonlyFieldTest extends AbstractITILTemplateReadonlyFieldTest
+{
+    public function getITILClass(): Change
+    {
+        return new Change();
+    }
+}

tests/functional/ProblemITILTemplateReadonlyFieldTest.php

@@ -0,0 +1,46 @@
+<?php
+
+/**
+ * ---------------------------------------------------------------------
+ *
+ * GLPI - Gestionnaire Libre de Parc Informatique
+ *
+ * http://glpi-project.org
+ *
+ * @copyright 2015-2025 Teclib' and contributors.
+ * @licence   https://www.gnu.org/licenses/gpl-3.0.html
+ *
+ * ---------------------------------------------------------------------
+ *
+ * LICENSE
+ *
+ * This file is part of GLPI.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ * ---------------------------------------------------------------------
+ */
+
+namespace functional;
+
+use Glpi\Tests\AbstractITILTemplateReadonlyFieldTest;
+use Problem;
+
+class ProblemITILTemplateReadonlyFieldTest extends AbstractITILTemplateReadonlyFieldTest
+{
+    public function getITILClass(): Problem
+    {
+        return new Problem();
+    }
+}

tests/functional/TicketITILTemplateReadonlyFieldTest.php

@@ -0,0 +1,46 @@
+<?php
+
+/**
+ * ---------------------------------------------------------------------
+ *
+ * GLPI - Gestionnaire Libre de Parc Informatique
+ *
+ * http://glpi-project.org
+ *
+ * @copyright 2015-2025 Teclib' and contributors.
+ * @licence   https://www.gnu.org/licenses/gpl-3.0.html
+ *
+ * ---------------------------------------------------------------------
+ *
+ * LICENSE
+ *
+ * This file is part of GLPI.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ * ---------------------------------------------------------------------
+ */
+
+namespace functional;
+
+use Glpi\Tests\AbstractITILTemplateReadonlyFieldTest;
+use Ticket;
+
+class TicketITILTemplateReadonlyFieldTest extends AbstractITILTemplateReadonlyFieldTest
+{
+    public function getITILClass(): Ticket
+    {
+        return new Ticket();
+    }
+}