chore(TC_OPCREDS_3.5): first implementation of test steps

src/python_testing/TC_OPCREDS_3_5.py

@@ -0,0 +1,51 @@
+#
+#    Copyright (c) 2024 Project CHIP Authors
+#    All rights reserved.
+#
+#    Licensed under the Apache License, Version 2.0 (the "License");
+#    you may not use this file except in compliance with the License.
+#    You may obtain a copy of the License at
+#
+#        http://www.apache.org/licenses/LICENSE-2.0
+#
+#    Unless required by applicable law or agreed to in writing, software
+#    distributed under the License is distributed on an "AS IS" BASIS,
+#    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#    See the License for the specific language governing permissions and
+#    limitations under the License.
+#
+
+import chip.clusters as Clusters
+from chip.utils import CommissioningBuildingBlocks
+from matter_testing_support import MatterBaseTest, async_test_body, default_matter_test_main
+from mobly import asserts
+
+class TC_OPCREDS_3_5(MatterBaseTest):
+
+    @async_test_body
+    async def test_TC_OPCREDS_3_5(self):
+        opcreds = Clusters.OperationalCredentials
+
+        self.print_step(0, "Preconditions")
+
+        self.print_step(1, "TH1 fully commissions the DUT")
+        dev_ctrl = self.default_controller
+
+        new_certificate_authority = self.certificate_authority_manager.NewCertificateAuthority()
+        th1_vid = 0xFFF1
+        th1_fabricId = 1111
+        th1_new_fabric_admin = new_certificate_authority.NewFabricAdmin(vendorId=th1_vid, fabricId=th1_fabricId)
+        th1_nodeId = self.default_controller.nodeId+1
+        th1_dut_node_id = self.dut_node_id+1
+
+        th1_new_fabric_ctrl = th1_new_fabric_admin.NewController(nodeId=th1_nodeId)
+        success, nocResp, rcacResp = await CommissioningBuildingBlocks.AddNOCForNewFabricFromExisting(
+            commissionerDevCtrl=dev_ctrl, newFabricDevCtrl=th1_new_fabric_ctrl,
+            existingNodeId=self.dut_node_id, newNodeId=th1_dut_node_id)
+
+        self.print_step(2, "TH1 reads the NOCs attribute from the Node Operational Credentials cluster using a fabric-filtered read")
+        nocs = await self.read_single_attribute_check_success(dev_ctrl=th1_new_fabric_ctrl, node_id=th1_dut_node_id, cluster=opcreds, attribute=opcreds.Attributes.NOCs, fabric_filtered=True)
+
+
+if __name__ == "__main__":
+    default_matter_test_main()