TC-LWM-1_2 python test

src/python_testing/TC_LWM_1_2.py

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+#
+#    Copyright (c) 2025 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
+#       --endpoint 1
+#       --trace-to json:${TRACE_TEST_JSON}.json
+#       --trace-to perfetto:${TRACE_TEST_PERFETTO}.perfetto
+#     factory-reset: true
+#     quiet: true
+# === END CI TEST ARGUMENTS ===
+
+
+import chip.clusters as Clusters
+from chip.testing.matter_testing import MatterBaseTest, TestStep, async_test_body, default_matter_test_main
+from modebase_cluster_check import ModeBaseClusterChecks
+
+cluster_lwm_mode = Clusters.LaundryWasherMode
+
+
+class TC_LWM_1_2(MatterBaseTest, ModeBaseClusterChecks):
+
+    def __init__(self, *args):
+        MatterBaseTest.__init__(self, *args)
+        ModeBaseClusterChecks.__init__(self,
+                                       modebase_derived_cluster=cluster_lwm_mode)
+
+    def desc_TC_LWM_1_2(self) -> str:
+        return "[TC-LWM-1.2] Cluster attributes with DUT as Server"
+
+    def steps_TC_LWM_1_2(self) -> list[TestStep]:
+        steps = [
+            TestStep(1, "Commissioning, already done", is_commissioning=True),
+            TestStep(2, "TH reads from the DUT the SupportedModes attribute."),
+            TestStep(3, "TH reads from the DUT the CurrentMode attribute.")
+        ]
+        return steps
+
+    def pics_TC_LWM_1_2(self) -> list[str]:
+        pics = [
+            "LWM.S"
+        ]
+        return pics
+
+    @async_test_body
+    async def test_TC_LWM_1_2(self):
+
+        # Setup common mode check
+        endpoint = self.get_endpoint(default=1)
+
+        self.step(1)
+
+        self.step(2)
+        # Verify common checks for Mode Base as described in the TC-LWM-1.2
+        supported_modes = await self.check_supported_modes_and_labels(endpoint=endpoint)
+        # According to the spec, there should be at least one like
+        # Normal, Delicate, Heavy, or Whites
+        # tag in the ones supported.
+        additional_tags = [cluster_lwm_mode.Enums.ModeTag.kNormal,
+                           cluster_lwm_mode.Enums.ModeTag.kDelicate]
+        self.check_tags_in_lists(supported_modes=supported_modes, required_tags=additional_tags)
+
+        self.step(3)
+        # Verify that the CurrentMode attribute has a valid value.
+        mode = self.cluster.Attributes.CurrentMode
+        await self.read_and_check_mode(endpoint=endpoint, mode=mode, supported_modes=supported_modes)
+
+
+if __name__ == "__main__":
+    default_matter_test_main()