Allow groupId to be a variable in YAML tests. (#29641)

This allows targeting group messages at a group id that's a config define.

Fixes #29637

scripts/py_matter_yamltests/matter_yamltests/parser.py

@@ -593,6 +593,8 @@ def __init__(self, test: _TestStepWithPlaceholders, step_index: int, runtime_con
                 self._test.event)
             self._test.endpoint = self._config_variable_substitution(
                 self._test.endpoint)
+            self._test.group_id = self._config_variable_substitution(
+                self._test.group_id)
             test.update_arguments(self.arguments)
             test.update_responses(self.responses)
 

scripts/py_matter_yamltests/matter_yamltests/yaml_loader.py

@@ -91,7 +91,7 @@ def __check_test_step(self, config: dict, content):
             'identity': str,
             'nodeId': int,
             'runIf': str,  # Should be a variable.
-            'groupId': int,
+            'groupId': (int, str),  # Can be a variable.
             'endpoint': (int, str),  # Can be a variable
             'cluster': str,
             'attribute': str,

scripts/py_matter_yamltests/test_yaml_loader.py

@@ -247,7 +247,6 @@ def test_key_tests_step_int_keys(self):
                    '  - {key}: {value}')
         keys = [
             'nodeId',
-            'groupId',
             'minInterval',
             'maxInterval',
             'timedInteractionTimeoutMs',
@@ -324,6 +323,23 @@ def test_key_tests_step_endpoint_number_key(self):
             x = content.format(value=value)
             self.assertRaises(TestStepInvalidTypeError, load, x)
 
+    def test_key_tests_step_group_id_key(self):
+        load = YamlLoader().load
+
+        content = ('tests:\n'
+                   '  - groupId: {value}')
+
+        _, _, _, _, tests = load(content.format(value=1))
+        self.assertEqual(tests, [{'groupId': 1}])
+
+        _, _, _, _, tests = load(content.format(value='TestKey'))
+        self.assertEqual(tests, [{'groupId': 'TestKey'}])
+
+        wrong_values = self._get_wrong_values([str, int], spaces=6)
+        for value in wrong_values:
+            x = content.format(value=value)
+            self.assertRaises(TestStepInvalidTypeError, load, x)
+
     def test_key_tests_step_event_number_key(self):
         load = YamlLoader().load
 

src/app/tests/suites/TestGroupMessaging.yaml

@@ -22,6 +22,10 @@ config:
     nodeId: 0x12344321
     cluster: "Basic Information"
     endpoint: 0
+    # Test that a group id can be a variable.
+    groupIdVariable:
+        type: int16u
+        defaultValue: 0x0101
     nodeId2:
         type: node_id
         defaultValue: 0x43211234
@@ -215,7 +219,7 @@ tests:
     - label: "Turn On the light to see attribute change"
       cluster: "On/Off"
       command: "On"
-      groupId: 0x0101
+      groupId: groupIdVariable # 0x0101
 
     # Give the group invoke time to actually happen; unicast delivery can outrace
     # multicast if the unicast packet is sent immediately after the multicast one.