Creating friendly functions for establishing new controllers on existing or new fabrics

src/python_testing/matter_testing_infrastructure/chip/testing/matter_testing.py

@@ -1681,6 +1681,23 @@ def wait_for_user_input(self,
             logging.info("========= EOF on STDIN =========")
             return None
 
+    def create_new_controller_on_new_fabric(self, nodeid: int = 2, vendorid: bytes = 0xFFF1, fabricid: int = 1):
+        """
+        Create new fabric and controller for commissioning
+        """
+        new_cert_auth = self.certificate_authority_manager.NewCertificateAuthority()
+        new_fabric_admin = new_cert_auth.NewFabricAdmin(vendorId=vendorid, fabricId=fabricid)
+        new_controller = new_fabric_admin.NewController(nodeId=nodeid)
+        return new_controller
+
+    def create_new_controller_on_existing_fabric(self, nodeid: int = 2):
+        """
+        Create new controller on an already established fabric
+        """
+        current_fabric_admin = self.certificate_authority_manager.activeCaList[0].adminList[0]
+        new_controller = current_fabric_admin.NewController(nodeId=nodeid)
+        return new_controller
+
 
 def generate_mobly_test_config(matter_test_config: MatterTestConfig):
     test_run_config = TestRunConfig()