implement TC_FLABEL_2_1 with Python

src/python_testing/TC_FLABEL_2_1.py

@@ -0,0 +1,102 @@
+#
+#    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.
+#
+
+# === BEGIN CI TEST ARGUMENTS ===
+# test-runner-runs:
+#   run1:
+#     app: ${ALL_CLUSTERS_APP}
+#     app-args: --discriminator 1234 --KVS kvs1 --trace-to json:${TRACE_APP}.json
+#     script-args: >
+#       --storage-path admin_storage.json
+#       --commissioning-method on-network
+#       --discriminator 1234
+#       --passcode 20202021
+#       --trace-to json:${TRACE_TEST_JSON}.json
+#       --trace-to perfetto:${TRACE_TEST_PERFETTO}.perfetto
+#     factory-reset: true
+#     quiet: true
+# === END CI TEST ARGUMENTS ===
+
+import logging
+import chip.clusters as Clusters
+from chip.testing.matter_testing import MatterBaseTest, TestStep, async_test_body, default_matter_test_main
+from chip.interaction_model import Status
+from mobly import asserts
+
+logger = logging.getLogger(__name__)
+
+
+class Test_TC_FLABEL_2_1(MatterBaseTest):
+    def pics_TC_FLABEL_2_1(self) -> list[str]:
+        return ["FLABEL.S"]
+
+    def steps_TC_FLABEL_2_1(self) -> list[TestStep]:
+        return [
+            TestStep(1, "Commission DUT to TH", is_commissioning=True),
+            TestStep(2, "TH reads LabelList from the DUT", "Read is successful"),
+            TestStep(3, "TH tries to write LabelList attribute", "Write fails with UNSUPPORTED_WRITE"),
+            TestStep(4, "Verify LabelList hasn't changed", "LabelList matches initial read")
+        ]
+
+    @async_test_body
+    async def test_TC_FLABEL_2_1(self):
+        # Step 1: Commission DUT (already done)
+        self.step(1)
+
+        # Step 2: Read LabelList attribute
+        self.step(2)
+        initial_labels = await self.read_single_attribute_check_success(
+            cluster=Clusters.Objects.FixedLabel,
+            attribute=Clusters.Objects.FixedLabel.Attributes.LabelList
+        )
+        asserts.assert_true(isinstance(initial_labels, list), "LabelList should be a list type")
+        logger.info(f"Initial LabelList: {initial_labels}")
+
+        # Step 3: Attempt to write LabelList (should fail)
+        self.step(3)
+        test_label = [Clusters.Objects.FixedLabel.Structs.LabelStruct(
+            label="Test_Label",
+            value="Test_Value"
+        )]
+        logger.info(f"Attempting to write LabelList: {test_label}")
+
+        try:
+            result = await self.default_controller.WriteAttribute(
+                self.dut_node_id,
+                [(1, Clusters.Objects.FixedLabel.Attributes.LabelList(test_label))]
+            )
+            logger.info(f"Write result: {result}")
+            logger.info(f"Write status: {result[0]}")
+            asserts.assert_equal(result[0].Status, Status.UnsupportedWrite, "Expected UNSUPPORTED_WRITE status")
+        except Exception as e:
+            logger.error(f"Unexpected error during write: {str(e)}")
+            asserts.fail(f"Unexpected error during write: {str(e)}")
+
+        # Step 4: Verify LabelList hasn't changed
+        self.step(4)
+        final_labels = await self.read_single_attribute_check_success(
+            cluster=Clusters.Objects.FixedLabel,
+            attribute=Clusters.Objects.FixedLabel.Attributes.LabelList
+        )
+        logger.info(f"Final LabelList: {final_labels}")
+
+        asserts.assert_equal(initial_labels, final_labels,
+                             "LabelList should remain unchanged after write attempt")
+
+
+if __name__ == "__main__":
+    default_matter_test_main()