Add read/subscribe event to chip-repl based yamltests

scripts/tests/chiptest/__init__.py

@@ -131,13 +131,6 @@ def _GetInDevelopmentTests() -> Set[str]:
        Goal is for this set to become empty.
     """
     return {
-        # TODO: Event not yet supported:
-        "Test_TC_ACL_2_10.yaml",
-        "Test_TC_ACL_2_7.yaml",
-        "Test_TC_ACL_2_8.yaml",
-        "Test_TC_ACL_2_9.yaml",
-        "TestEvents.yaml",
-
         "TestClusterMultiFabric.yaml",  # Enum mismatch
         "TestGroupMessaging.yaml",     # Needs group support in repl
         "TestMultiAdmin.yaml",         # chip-repl hang on command expeted to fail

src/controller/python/chip/yaml/runner.py

@@ -26,7 +26,8 @@
 import chip.yaml.format_converter as Converter
 import stringcase
 from chip.ChipDeviceCtrl import ChipDeviceController, discovery
-from chip.clusters.Attribute import AttributeStatus, SubscriptionTransaction, TypedAttributePath, ValueDecodeFailure
+from chip.clusters.Attribute import (AttributeStatus, EventReadResult, SubscriptionTransaction, TypedAttributePath,
+                                     ValueDecodeFailure)
 from chip.exceptions import ChipStackError
 from chip.yaml.errors import ParsingError, UnexpectedParsingError
 from matter_yamltests.pseudo_clusters.clusters.delay_commands import DelayCommands
@@ -56,6 +57,11 @@ class _GetCommissionerNodeIdResult:
     node_id: int
 
 
+@dataclass
+class EventResponse:
+    event_result_list: list[EventReadResult]
+
+
 @dataclass
 class _ActionResult:
     status: _ActionStatus
@@ -69,6 +75,12 @@ class _AttributeSubscriptionCallbackResult:
     result: _ActionResult
 
 
+@dataclass
+class _EventSubscriptionCallbackResult:
+    name: str
+    result: _ActionResult
+
+
 @dataclass
 class _ExecutionContext:
     ''' Objects that is commonly passed around this file that are vital to test execution.'''
@@ -78,7 +90,8 @@ class _ExecutionContext:
     subscriptions: list = field(default_factory=list)
     # The key is the attribute/event name, and the value is a queue of subscription callback results
     # that been sent by device under test. For attribute subscription the queue is of type
-    # _AttributeSubscriptionCallbackResult.
+    # _AttributeSubscriptionCallbackResult, for event the queue is of type
+    # _EventSubscriptionCallbackResult.
     subscription_callback_result_queue: dict = field(default_factory=dict)
 
 
@@ -266,6 +279,51 @@ def parse_raw_response(self, raw_resp) -> _ActionResult:
         return _ActionResult(status=_ActionStatus.SUCCESS, response=return_val)
 
 
+class ReadEventAction(BaseAction):
+    ''' Read Event action to be executed.'''
+
+    def __init__(self, test_step, cluster: str, context: _ExecutionContext):
+        '''Converts 'test_step' to read event action that can execute with ChipDeviceController.
+
+        Args:
+          'test_step': Step containing information required to run read event action.
+          'cluster': Name of cluster read event action is targeting.
+          'context': Contains test-wide common objects such as DataModelLookup instance.
+        Raises:
+          UnexpectedParsingError: Raised if there is an unexpected parsing error.
+        '''
+        super().__init__(test_step)
+        self._event_name = stringcase.pascalcase(test_step.event)
+        self._cluster = cluster
+        self._endpoint = test_step.endpoint
+        self._node_id = test_step.node_id
+        self._cluster_object = None
+        self._request_object = None
+        self._fabric_filtered = True
+        self._event_number_filter = test_step.event_number
+
+        self._request_object = context.data_model_lookup.get_event(self._cluster,
+                                                                   self._event_name)
+        if self._request_object is None:
+            raise UnexpectedParsingError(
+                f'ReadEvent failed to find cluster:{self._cluster} Event:{self._event_name}')
+
+        if test_step.arguments:
+            raise UnexpectedParsingError(
+                f'ReadEvent should not contain arguments. {self.label}')
+
+    def run_action(self, dev_ctrl: ChipDeviceController) -> _ActionResult:
+        try:
+            urgent = 0
+            request = [(self._endpoint, self._request_object, urgent)]
+            resp = asyncio.run(dev_ctrl.ReadEvent(self._node_id, events=request, eventNumberFilter=self._event_number_filter))
+        except chip.interaction_model.InteractionModelError as error:
+            return _ActionResult(status=_ActionStatus.ERROR, response=error)
+
+        parsed_resp = EventResponse(event_result_list=resp)
+        return _ActionResult(status=_ActionStatus.SUCCESS, response=parsed_resp)
+
+
 class WaitForCommissioneeAction(BaseAction):
     ''' Wait for commissionee action to be executed.'''
 
@@ -327,6 +385,27 @@ def name(self) -> str:
         return self._name
 
 
+class EventChangeAccumulator:
+    def __init__(self, name: str, expected_event, output_queue: queue.SimpleQueue):
+        self._name = name
+        self._expected_event = expected_event
+        self._output_queue = output_queue
+
+    def __call__(self, event_result: EventReadResult, transaction: SubscriptionTransaction):
+        if (self._expected_event.cluster_id == event_result.Header.ClusterId and
+                self._expected_event.event_id == event_result.Header.EventId):
+            event_response = EventResponse(event_result_list=[event_result])
+            result = _ActionResult(status=_ActionStatus.SUCCESS, response=event_response)
+
+            item = _EventSubscriptionCallbackResult(self._name, result)
+            logging.debug(f'Got subscription report on client {self.name}')
+            self._output_queue.put(item)
+
+    @property
+    def name(self) -> str:
+        return self._name
+
+
 class SubscribeAttributeAction(ReadAttributeAction):
     '''Single subscribe attribute action to be executed.'''
 
@@ -382,6 +461,63 @@ def run_action(self, dev_ctrl: ChipDeviceController) -> _ActionResult:
         return self.parse_raw_response(raw_resp)
 
 
+class SubscribeEventAction(ReadEventAction):
+    '''Single subscribe event action to be executed.'''
+
+    def __init__(self, test_step, cluster: str, context: _ExecutionContext):
+        '''Converts 'test_step' to subscribe event action that can execute with ChipDeviceController.
+
+        Args:
+          'test_step': Step containing information required to run subscribe event action.
+          'cluster': Name of cluster subscribe event action is targeting.
+          'context': Contains test-wide common objects such as DataModelLookup instance.
+        Raises:
+          ParsingError: Raised if there is a benign error, and there is currently no
+            action to perform for this subscribe event.
+          UnexpectedParsingError: Raised if there is an unexpected parsing error.
+        '''
+        super().__init__(test_step, cluster, context)
+        self._context = context
+        if test_step.min_interval is None:
+            raise UnexpectedParsingError(
+                f'SubscribeAttribute action does not have min_interval {self.label}')
+        self._min_interval = test_step.min_interval
+
+        if test_step.max_interval is None:
+            raise UnexpectedParsingError(
+                f'SubscribeAttribute action does not have max_interval {self.label}')
+        self._max_interval = test_step.max_interval
+
+    def run_action(self, dev_ctrl: ChipDeviceController) -> _ActionResult:
+        try:
+            urgent = 0
+            request = [(self._endpoint, self._request_object, urgent)]
+            subscription = asyncio.run(
+                dev_ctrl.ReadEvent(self._node_id, events=request, eventNumberFilter=self._event_number_filter,
+                                   reportInterval=(self._min_interval, self._max_interval),
+                                   keepSubscriptions=False))
+        except chip.interaction_model.InteractionModelError as error:
+            return _ActionResult(status=_ActionStatus.ERROR, response=error)
+
+        self._context.subscriptions.append(subscription)
+        output_queue = self._context.subscription_callback_result_queue.get(self._event_name,
+                                                                            None)
+        if output_queue is None:
+            output_queue = queue.SimpleQueue()
+            self._context.subscription_callback_result_queue[self._event_name] = output_queue
+
+        while not output_queue.empty():
+            output_queue.get(block=False)
+
+        subscription_handler = EventChangeAccumulator(self.label, self._request_object, output_queue)
+
+        subscription.SetEventUpdateCallback(subscription_handler)
+
+        events = subscription.GetEvents()
+        response = EventResponse(event_result_list=events)
+        return _ActionResult(status=_ActionStatus.SUCCESS, response=response)
+
+
 class WriteAttributeAction(BaseAction):
     '''Single write attribute action to be executed.'''
 
@@ -462,9 +598,15 @@ def __init__(self, test_step, context: _ExecutionContext):
           UnexpectedParsingError: Raised if the expected queue does not exist.
         '''
         super().__init__(test_step)
-        self._attribute_name = stringcase.pascalcase(test_step.attribute)
-        self._output_queue = context.subscription_callback_result_queue.get(self._attribute_name,
-                                                                            None)
+        if test_step.attribute is not None:
+            queue_name = stringcase.pascalcase(test_step.attribute)
+        elif test_step.event is not None:
+            queue_name = stringcase.pascalcase(test_step.event)
+        else:
+            raise UnexpectedParsingError(
+                f'WaitForReport needs to wait on either attribute or event, neither were provided')
+
+        self._output_queue = context.subscription_callback_result_queue.get(queue_name, None)
         if self._output_queue is None:
             raise UnexpectedParsingError(f'Could not find output queue')
 
@@ -477,6 +619,8 @@ def run_action(self, dev_ctrl: ChipDeviceController) -> _ActionResult:
         except queue.Empty:
             return _ActionResult(status=_ActionStatus.ERROR, response=None)
 
+        if isinstance(item, _AttributeSubscriptionCallbackResult):
+            return item.result
         return item.result
 
 
@@ -621,14 +765,15 @@ def _attribute_read_action_factory(self, test_step, cluster: str):
           'cluster': Name of cluster read attribute action is targeting.
         Returns:
           ReadAttributeAction if 'test_step' is a valid read attribute to be executed.
-          None if we were unable to use the provided 'test_step' for a known reason that is not
-          fatal to test execution.
         '''
         try:
             return ReadAttributeAction(test_step, cluster, self._context)
         except ParsingError:
             return None
 
+    def _event_read_action_factory(self, test_step, cluster: str):
+        return ReadEventAction(test_step, cluster, self._context)
+
     def _attribute_subscribe_action_factory(self, test_step, cluster: str):
         '''Creates subscribe attribute command from TestStep provided.
 
@@ -648,6 +793,17 @@ def _attribute_subscribe_action_factory(self, test_step, cluster: str):
             # propogated.
             return None
 
+    def _attribute_subscribe_event_factory(self, test_step, cluster: str):
+        '''Creates subscribe event command from TestStep provided.
+
+        Args:
+          'test_step': Step containing information required to run subscribe attribute action.
+          'cluster': Name of cluster write attribute action is targeting.
+        Returns:
+          SubscribeEventAction if 'test_step' is a valid subscribe attribute to be executed.
+        '''
+        return SubscribeEventAction(test_step, cluster, self._context)
+
     def _attribute_write_action_factory(self, test_step, cluster: str):
         '''Creates write attribute command TestStep.
 
@@ -712,11 +868,11 @@ def encode(self, request) -> BaseAction:
         elif command == 'readAttribute':
             action = self._attribute_read_action_factory(request, cluster)
         elif command == 'readEvent':
-            # TODO need to implement _event_read_action_factory
-            # action = self._event_read_action_factory(request, cluster)
-            pass
+            action = self._event_read_action_factory(request, cluster)
         elif command == 'subscribeAttribute':
             action = self._attribute_subscribe_action_factory(request, cluster)
+        elif command == 'subscribeEvent':
+            action = self._attribute_subscribe_event_factory(request, cluster)
         elif command == 'waitForReport':
             action = self._wait_for_report_action_factory(request)
         else:
@@ -779,6 +935,29 @@ def decode(self, result: _ActionResult):
             }
             return decoded_response
 
+        if isinstance(response, EventResponse):
+            if not response.event_result_list:
+                # This means that the event result we got back was empty, below is how we
+                # represent this.
+                decoded_response = [{}]
+                return decoded_response
+            decoded_response = []
+            for event in response.event_result_list:
+                if event.Status != chip.interaction_model.Status.Success:
+                    error_message = stringcase.snakecase(event.Status.name).upper()
+                    decoded_response.append({'error': error_message})
+                    continue
+                cluster_id = event.Header.ClusterId
+                cluster_name = self._test_spec_definition.get_cluster_name(cluster_id)
+                event_id = event.Header.EventId
+                event_name = self._test_spec_definition.get_event_name(cluster_id, event_id)
+                event_definition = self._test_spec_definition.get_event_by_name(cluster_name, event_name)
+                is_fabric_scoped = bool(event_definition.is_fabric_sensitive)
+                decoded_event = Converter.from_data_model_to_test_definition(
+                    self._test_spec_definition, cluster_name, event_definition.fields, event.Data, is_fabric_scoped)
+                decoded_response.append({'value': decoded_event})
+            return decoded_response
+
         if isinstance(response, ChipStackError):
             decoded_response['error'] = 'FAILURE'
             return decoded_response