Added python testing for secondary network interface

.github/workflows/tests.yaml

@@ -500,6 +500,7 @@ jobs:
                   scripts/run_in_python_env.sh out/venv './scripts/tests/run_python_test.py --load-from-env /tmp/test_env.yaml --script src/python_testing/TC_ACE_1_5.py'
                   scripts/run_in_python_env.sh out/venv './scripts/tests/run_python_test.py --load-from-env /tmp/test_env.yaml --script src/python_testing/TC_AccessChecker.py'
                   scripts/run_in_python_env.sh out/venv './scripts/tests/run_python_test.py --load-from-env /tmp/test_env.yaml --script src/python_testing/TC_CGEN_2_4.py'
+                  scripts/run_in_python_env.sh out/venv './scripts/tests/run_python_test.py --load-from-env /tmp/test_env.yaml --script src/python_testing/TC_CNET_1_4.py'
                   scripts/run_in_python_env.sh out/venv './scripts/tests/run_python_test.py --load-from-env /tmp/test_env.yaml --script src/python_testing/TC_DA_1_2.py'
                   scripts/run_in_python_env.sh out/venv './scripts/tests/run_python_test.py --load-from-env /tmp/test_env.yaml --script src/python_testing/TC_DA_1_5.py'
                   scripts/run_in_python_env.sh out/venv './scripts/tests/run_python_test.py --load-from-env /tmp/test_env.yaml --script src/python_testing/TC_DA_1_7.py'

src/python_testing/TC_CNET_1_4.py

@@ -0,0 +1,101 @@
+#
+#    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 logging
+import string
+from typing import Optional
+
+# test-runner-runs: run1
+# test-runner-run/run1/app: ${ALL_CLUSTERS_APP}
+# test-runner-run/run1/factoryreset: True
+# test-runner-run/run1/quiet: True
+# test-runner-run/run1/app-args: --discriminator 1234 --KVS kvs1 --trace-to json:${TRACE_APP}.json
+# test-runner-run/run1/script-args: --storage-path admin_storage.json --commissioning-method on-network --discriminator 1234 --passcode 20202021 --PICS src/app/tests/suites/certification/ci-pics-values --trace-to json:${TRACE_TEST_JSON}.json --trace-to perfetto:${TRACE_TEST_PERFETTO}.perfetto
+
+import chip.clusters as Clusters
+from chip.clusters.Types import NullValue
+from matter_testing_support import MatterBaseTest, TestStep, async_test_body, default_matter_test_main, type_matches
+from mobly import asserts
+
+
+class TC_CNET_1_4(MatterBaseTest):
+    def steps_TC_CNET_1_4(self):
+        return [TestStep("precondition", "TH is commissioned", is_commissioning=True),
+                TestStep(1, 'TH performs a wildcard read of Network Commissioning clusters across all endpoints, and save the number of Network Commissioning clusters as `NetworkNum` for future use. If `NetworkNum` is 0, skip the remaining steps in this test case'),
+                TestStep(2, 'TH reads from the DUT the Descriptor Cluster DeviceTypeList attribute on each endpoint that hosts a Network Commissioning cluster, verify that the device types include the value 0x0016 (Root Node) or 0x0019 (Secondary Network Interface)'),
+                TestStep(3, 'TH reads from the DUT the General Commissioning Cluster SupportsConcurrentConnection attribute, verify that it is true')]
+
+    def def_TC_CNET_1_4(self):
+        return '[TC-CNET-1.4] Verification for Secondary Network Interface [DUT-Server]'
+
+    def pics_TC_CNET_1_4(self):
+        return ['CNET.S']
+
+    # Override default timeout.
+    @property
+    def default_timeout(self) -> int:
+        return 200
+
+    @async_test_body
+    async def test_TC_CNET_1_4(self):
+        # Commissioning is already done
+        self.step("precondition")
+
+        cnet = Clusters.NetworkCommissioning
+        afeam = cnet.Attributes.FeatureMap
+
+        self.step(1)
+        # Read FeatureMap attribute with wildcard endpoint
+        feature_map_results = await self.default_controller.ReadAttribute(self.dut_node_id, [(afeam)], fabricFiltered=True)
+
+        NetworkNum = len(feature_map_results)
+        if NetworkNum == 0:
+            logging.info('No endpoint has Network Commissioning Cluster, skipping remaining steps')
+            self.skip_all_remaining_steps(2)
+            return
+
+        endpoints = []
+        for endpoint, data in feature_map_results.items():
+            endpoints.append(endpoint)
+        logging.info(f"Network Commissioning Cluster on endpoints: {endpoints}")
+
+        self.step(2)
+        cdesc = Clusters.Descriptor
+        adevt = cdesc.Attributes.DeviceTypeList
+
+        for endpoint in endpoints:
+            device_type_list = await self.read_single_attribute_check_success(cluster=Clusters.Descriptor, attribute=adevt, endpoint=endpoint)
+            logging.info(f"Device tyep list: {device_type_list}")
+            # Root Node device id: 0x16, Secondary Network Interface device id: 0x19
+            required_device_types = {22, 25}
+            found_device_types = {device.deviceType for device in device_type_list}
+            asserts.assert_true(required_device_types.intersection(found_device_types),
+                                "Network Commissioning Cluster is not on Root Node or Secondary Network Interface")
+
+        if NetworkNum == 1:
+            logging.info('Only one endpoint has Network Commissioning Cluster, skipping remaining steps')
+            self.skip_all_remaining_steps(3)
+            return
+
+        self.step(3)
+        cgen = Clusters.GeneralCommissioning
+        ascc = cgen.Attributes.SupportsConcurrentConnection
+        concurrent_connection = await self.read_single_attribute_check_success(cluster=cgen, attribute=ascc)
+        asserts.assert_true(concurrent_connection, "The device does not support concurrent connection commissioning")
+
+if __name__ == "__main__":
+    default_matter_test_main()