Fix remaining post-TE2 TC-SWTCH issues

- Fixes #34556 (-2.2, -2.3 and -2.4 to better match test plan)
- Fixes #28620 (Better bound checks)
- Fixes #35241

examples/all-clusters-app/linux/AllClustersCommandDelegate.cpp

@@ -57,6 +57,17 @@ bool HasNumericField(Json::Value & jsonValue, const std::string & field)
     return jsonValue.isMember(field) && jsonValue[field].isNumeric();
 }
 
+uint8_t GetNumberOfSwitchPositions(EndpointId endpointId)
+{
+    // TODO: Move to using public API of cluster.
+    uint8_t numPositions = 0;
+
+    // On failure, the numPositions won't be changed, so 0 returned.
+    (void)Switch::Attributes::NumberOfPositions::Get(endpointId, &numPositions);
+
+    return numPositions;
+}
+
 /**
  * Named pipe handler for simulated long press
  *
@@ -99,6 +110,15 @@ void HandleSimulateLongPress(Json::Value & jsonValue)
 
     EndpointId endpointId = static_cast<EndpointId>(jsonValue["EndpointId"].asUInt());
     uint8_t buttonId      = static_cast<uint8_t>(jsonValue["ButtonId"].asUInt());
+
+    uint8_t numPositions = GetNumberOfSwitchPositions(endpointId);
+    if (buttonId >= numPositions)
+    {
+        std::string inputJson = jsonValue.toStyledString();
+        ChipLogError(NotSpecified, "Invalid ButtonId (out of range) in %s", inputJson.c_str());
+        return;
+    }
+
     System::Clock::Milliseconds32 longPressDelayMillis{ static_cast<unsigned>(jsonValue["LongPressDelayMillis"].asUInt()) };
     System::Clock::Milliseconds32 longPressDurationMillis{ static_cast<unsigned>(jsonValue["LongPressDurationMillis"].asUInt()) };
     uint32_t featureMap  = static_cast<uint32_t>(jsonValue["FeatureMap"].asUInt());
@@ -169,6 +189,15 @@ void HandleSimulateMultiPress(Json::Value & jsonValue)
 
     EndpointId endpointId = static_cast<EndpointId>(jsonValue["EndpointId"].asUInt());
     uint8_t buttonId      = static_cast<uint8_t>(jsonValue["ButtonId"].asUInt());
+
+    uint8_t numPositions = GetNumberOfSwitchPositions(endpointId);
+    if (buttonId >= numPositions)
+    {
+        std::string inputJson = jsonValue.toStyledString();
+        ChipLogError(NotSpecified, "Invalid ButtonId (out of range) in %s", inputJson.c_str());
+        return;
+    }
+
     System::Clock::Milliseconds32 multiPressPressedTimeMillis{ static_cast<unsigned>(
         jsonValue["MultiPressPressedTimeMillis"].asUInt()) };
     System::Clock::Milliseconds32 multiPressReleasedTimeMillis{ static_cast<unsigned>(
@@ -227,6 +256,14 @@ void HandleSimulateLatchPosition(Json::Value & jsonValue)
     EndpointId endpointId = static_cast<EndpointId>(jsonValue["EndpointId"].asUInt());
     uint8_t positionId    = static_cast<uint8_t>(jsonValue["PositionId"].asUInt());
 
+    uint8_t numPositions = GetNumberOfSwitchPositions(endpointId);
+    if (positionId >= numPositions)
+    {
+        std::string inputJson = jsonValue.toStyledString();
+        ChipLogError(NotSpecified, "Invalid PositionId (out of range) in %s", inputJson.c_str());
+        return;
+    }
+
     uint8_t previousPositionId                 = 0;
     Protocols::InteractionModel::Status status = Switch::Attributes::CurrentPosition::Get(endpointId, &previousPositionId);
     VerifyOrReturn(Protocols::InteractionModel::Status::Success == status,

src/python_testing/TC_SWTCH.py

@@ -38,7 +38,7 @@
 from chip.clusters import ClusterObjects as ClusterObjects
 from chip.clusters.Attribute import EventReadResult
 from chip.tlv import uint
-from matter_testing_support import (ClusterAttributeChangeAccumulator, EventChangeCallback, MatterBaseTest, TestStep,
+from matter_testing_support import (AttributeValue, ClusterAttributeChangeAccumulator, EventChangeCallback, MatterBaseTest, TestStep,
                                     await_sequence_of_reports, default_matter_test_main, has_feature, per_endpoint_test)
 from mobly import asserts
 
@@ -70,6 +70,10 @@ def __init__(self, *args, **kwargs):
         super().__init__(*args, **kwargs)
         self._default_pressed_position = self.user_params.get("default_pressed_position", 1)
 
+    def setup_test(self):
+        super().setup_test()
+        self.is_ci = self._use_button_simulator()
+
     def _send_named_pipe_command(self, command_dict: dict[str, Any]):
         app_pid = self.matter_test_config.app_pid
         if app_pid == 0:
@@ -253,32 +257,37 @@ def _received_event(self, event_listener: EventChangeCallback, target_event: Clu
 
     def steps_TC_SWTCH_2_2(self):
         return [TestStep(1, test_plan_support.commission_if_required(), "", is_commissioning=True),
-                TestStep(2, "Set up subscription to all events of Switch cluster on the endpoint"),
+                TestStep(2, "Set up subscription to all events and attributes of Switch cluster on the endpoint"),
                 TestStep(3, "Operator sets switch to first position on the DUT"),
-                TestStep(4, "TH reads the CurrentPosition attribute from the DUT", "Verify that the value is 0"),
+                TestStep(4, "TH reads the CurrentPosition attribute from the DUT.", "Verify that the value is 0."),
                 TestStep(5, "Operator sets switch to second position (one) on the DUT",
-                         "Verify that the TH receives SwitchLatched event with NewPosition set to 1 from the DUT"),
-                TestStep(6, "TH reads the CurrentPosition attribute from the DUT", "Verify that the value is 1"),
+                         "Verify that the TH receives SwitchLatched event with NewPosition set to 1 from the DUT."),
+                TestStep(6, "TH reads the CurrentPosition attribute from the DUT", "Verify that the value is 1, and that a subscription report was received for that change."),
                 TestStep(7, "If there are more than 2 positions, test subsequent positions of the DUT"),
                 TestStep(8, "Operator sets switch to first position on the DUT."),
                 TestStep(9, "Wait 10 seconds for event reports stable." "Verify that last SwitchLatched event received is for NewPosition 0."),
-                TestStep(10, "TH reads the CurrentPosition attribute from the DUT", "Verify that the value is 0"),
+                TestStep(10, "TH reads the CurrentPosition attribute from the DUT", "Verify that the value is 0, and that a subscription report was received for that change."),
                 ]
 
     @per_endpoint_test(has_feature(Clusters.Switch, Clusters.Switch.Bitmaps.Feature.kLatchingSwitch))
     async def test_TC_SWTCH_2_2(self):
         post_prompt_settle_delay_seconds = 10.0
+        cluster = Clusters.Switch
+        endpoint_id = self.matter_test_config.endpoint
 
         # Step 1: Commissioning - already done
         self.step(1)
 
-        cluster = Clusters.Switch
-        endpoint_id = self.matter_test_config.endpoint
-
         # Step 2: Set up subscription to all events of Switch cluster on the endpoint.
         self.step(2)
         event_listener = EventChangeCallback(cluster)
         await event_listener.start(self.default_controller, self.dut_node_id, endpoint=endpoint_id)
+        attrib_listener = ClusterAttributeChangeAccumulator(cluster)
+        await attrib_listener.start(self.default_controller, self.dut_node_id, endpoint=endpoint_id)
+
+        # Pre-get number of positions for step 7 later.
+        num_positions = await self.read_single_attribute_check_success(cluster=cluster, attribute=cluster.Attributes.NumberOfPositions)
+        asserts.assert_greater(num_positions, 1, "Latching switch has only 1 position, this is impossible.")
 
         # Step 3: Operator sets switch to first position on the DUT.
         self.step(3)
@@ -291,25 +300,38 @@ async def test_TC_SWTCH_2_2(self):
         button_val = await self.read_single_attribute_check_success(cluster=cluster, attribute=cluster.Attributes.CurrentPosition)
         asserts.assert_equal(button_val, 0, "Switch position value is not 0")
 
-        # Step 5: Operator sets switch to second position (one) on the DUT",
-        # Verify that the TH receives SwitchLatched event with NewPosition set to 1 from the DUT
-        self.step(5)
-        expected_switch_position = 1
-        self._ask_for_switch_position(endpoint_id, expected_switch_position)
-
-        data = event_listener.wait_for_event_report(cluster.Events.SwitchLatched, timeout_sec=post_prompt_settle_delay_seconds)
-        logging.info(f"-> SwitchLatched event last received: {data}")
-        asserts.assert_equal(data, cluster.Events.SwitchLatched(
-            newPosition=expected_switch_position), "Did not get expected switch position")
-
-        # Step 6: TH reads the CurrentPosition attribute from the DUT", "Verify that the value is 1
-        self.step(6)
-        button_val = await self.read_single_attribute_check_success(cluster=cluster, attribute=cluster.Attributes.CurrentPosition)
-        asserts.assert_equal(button_val, expected_switch_position, f"Switch position is not {expected_switch_position}")
-
-        # Step 7: If there are more than 2 positions, test subsequent positions of the DUT
-        # # TODO(#34656): Implement loop for > 2 total positions
-        self.skip_step(7)
+        attrib_listener.reset()
+        event_listener.reset()
+
+        for expected_switch_position in range(1, num_positions):
+            # Step 5: Operator sets switch to second position (one) on the DUT",
+            # Verify that the TH receives SwitchLatched event with NewPosition set to 1 from the DUT
+            if expected_switch_position == 1:
+                self.step(5)
+            self._ask_for_switch_position(endpoint_id, expected_switch_position)
+
+            data = event_listener.wait_for_event_report(cluster.Events.SwitchLatched, timeout_sec=post_prompt_settle_delay_seconds)
+            logging.info(f"-> SwitchLatched event last received: {data}")
+            asserts.assert_equal(data, cluster.Events.SwitchLatched(
+                newPosition=expected_switch_position), "Did not get expected switch position")
+
+            # Step 6: TH reads the CurrentPosition attribute from the DUT", "Verify that the value is 1
+            if expected_switch_position == 1: ## Indicate step 7 only once
+                self.step(6)
+            button_val = await self.read_single_attribute_check_success(cluster=cluster, attribute=cluster.Attributes.CurrentPosition)
+            asserts.assert_equal(button_val, expected_switch_position, f"Switch position is not {expected_switch_position}")
+            logging.info(f"Checking to see if a report for {expected_switch_position} is received")
+            attrib_listener.await_sequence_of_reports(attribute=cluster.Attributes.CurrentPosition, sequence=[expected_switch_position], timeout_sec=post_prompt_settle_delay_seconds)
+
+            # Step 7: If there are more than 2 positions, test subsequent positions of the DUT
+            if expected_switch_position == 1:
+                if num_positions > 2: ## Indicate step 7 only once
+                    self.step(7)
+                else:
+                    self.skip_step(7)
+
+            if num_positions > 2:
+                logging.info("Looping for the other positions")
 
         # Step 8: Operator sets switch to first position on the DUT.
         self.step(8)
@@ -319,7 +341,7 @@ async def test_TC_SWTCH_2_2(self):
         # Step 9: Wait 10 seconds for event reports stable.
         # Verify that last SwitchLatched event received is for NewPosition 0.
         self.step(9)
-        time.sleep(10.0)
+        time.sleep(10.0 if not self.is_ci else 1.0)
 
         expected_switch_position = 0
         last_event = event_listener.get_last_event()
@@ -332,15 +354,20 @@ async def test_TC_SWTCH_2_2(self):
         # Step 10: TH reads the CurrentPosition attribute from the DUT.
         # Verify that the value is 0
         self.step(10)
+
         button_val = await self.read_single_attribute_check_success(cluster=cluster, attribute=cluster.Attributes.CurrentPosition)
         asserts.assert_equal(button_val, 0, "Button value is not 0")
 
+        logging.info(f"Checking to see if a report for {expected_switch_position} is received")
+        expected_final_value = [AttributeValue(endpoint_id, attribute=cluster.Attributes.CurrentPosition, value=expected_switch_position)]
+        attrib_listener.await_all_final_values_reported(expected_final_value, timeout_sec=post_prompt_settle_delay_seconds)
+
     def steps_TC_SWTCH_2_3(self):
         return [TestStep(1, test_plan_support.commission_if_required(), "", is_commissioning=True),
                 TestStep(2, "Set up subscription to all events of Switch cluster on the endpoint"),
                 TestStep(3, "Operator does not operate switch on the DUT"),
                 TestStep(4, "TH reads the CurrentPosition attribute from the DUT", "Verify that the value is 0"),
-                TestStep(5, "Operator operates switch (keep it pressed)",
+                TestStep(5, "Operator operates switch (keep it pressed, and wait at least 5 seconds)",
                          "Verify that the TH receives InitialPress event with NewPosition set to 1 on the DUT"),
                 TestStep(6, "TH reads the CurrentPosition attribute from the DUT", "Verify that the value is 1"),
                 TestStep(7, "Operator releases switch on the DUT"),
@@ -419,12 +446,12 @@ def steps_TC_SWTCH_2_4(self):
                 TestStep(2, "Set up subscription to all events of Switch cluster on the endpoint"),
                 TestStep(3, "Operator does not operate switch on the DUT"),
                 TestStep(4, "TH reads the CurrentPosition attribute from the DUT", "Verify that the value is 0"),
-                TestStep(5, "Operator operates switch (keep pressed for long time, e.g. 5 seconds) on the DUT, the release it",
+                TestStep(5, "Operator operates switch (keep pressed for long time, e.g. 5 seconds) on the DUT, then release it",
                 """
                 * TH expects receiving a subscription report of CurrentPosition 1, followed by a report of Current Position 0.
                 * TH expects receiving at InitialPress event with NewPosition = 1.
-                * if MSL or AS feature is supported, TH expect receiving LongPress/LongRelease in that order.
-                * if MS & (!MSL & !AS & !MSR) features present, TH expects receiving no further events for 10 seconds after release.
+                * if MSL feature is supported, TH expect receiving LongPress/LongRelease in that order.
+                * if MS & (!MSL & !AS & !MSR & !MSM) features present, TH expects receiving no further events for 10 seconds after release.
                 * if (MSR & !MSL) features present, TH expects receiving ShortRelease event.
                 """)
                 ]
@@ -446,6 +473,7 @@ async def test_TC_SWTCH_2_4(self):
         has_ms_feature = (feature_map & cluster.Bitmaps.Feature.kMomentarySwitch) != 0
         has_msr_feature = (feature_map & cluster.Bitmaps.Feature.kMomentarySwitchRelease) != 0
         has_msl_feature = (feature_map & cluster.Bitmaps.Feature.kMomentarySwitchLongPress) != 0
+        has_msm_feature = (feature_map & cluster.Bitmaps.Feature.kMomentarySwitchMultiPress) != 0
         has_as_feature = (feature_map & cluster.Bitmaps.Feature.kActionSwitch) != 0
 
         if not has_ms_feature:
@@ -455,8 +483,8 @@ async def test_TC_SWTCH_2_4(self):
         # Step 2: Set up subscription to all events of Switch cluster on the endpoint
         self.step(2)
         event_listener = EventChangeCallback(cluster)
-        attrib_listener = ClusterAttributeChangeAccumulator(cluster)
         await event_listener.start(self.default_controller, self.dut_node_id, endpoint=endpoint_id)
+        attrib_listener = ClusterAttributeChangeAccumulator(cluster)
         await attrib_listener.start(self.default_controller, self.dut_node_id, endpoint=endpoint_id)
 
         # Step 3: Operator does not operate switch on the DUT
@@ -486,8 +514,8 @@ async def test_TC_SWTCH_2_4(self):
         self._await_sequence_of_events(event_queue=event_listener.event_queue, endpoint_id=endpoint_id,
                                        sequence=expected_events, timeout_sec=post_prompt_settle_delay_seconds)
 
-        # - if MSL or AS feature is supported, expect to see LongPress/LongRelease in that order.
-        if not has_msl_feature and not has_as_feature:
+        # - if MSL feature is supported, expect to see LongPress/LongRelease in that order.
+        if not has_msl_feature:
             logging.info("Since MSL and AS features both unsupported, skipping check for LongPress/LongRelease")
         else:
             # - TH expects report of LongPress, LongRelease in that order.
@@ -498,8 +526,8 @@ async def test_TC_SWTCH_2_4(self):
             self._await_sequence_of_events(event_queue=event_listener.event_queue, endpoint_id=endpoint_id,
                                            sequence=expected_events, timeout_sec=post_prompt_settle_delay_seconds)
 
-        # - if MS & (!MSL & !AS & !MSR) features present, expect no further events for 10 seconds after release.
-        if not has_msl_feature and not has_as_feature and not has_msr_feature:
+        # - if MS & (!MSL & !AS & !MSR & !MSM) features present, expect no further events for 10 seconds after release.
+        if not has_msl_feature and not has_as_feature and not has_msr_feature and not has_msm_feature:
             self._expect_no_events_for_cluster(event_queue=event_listener.event_queue,
                                                endpoint_id=endpoint_id, expected_cluster=cluster, timeout_sec=10.0)
 

src/python_testing/matter_testing_support.py

@@ -299,6 +299,11 @@ def flush_events(self) -> None:
         _ = self.get_last_event()
         return
 
+    def reset(self) -> None:
+        """Resets state as if no events had ever been received."""
+        self.flush_events()
+
+
     @property
     def event_queue(self) -> queue.Queue:
         return self._q
@@ -354,7 +359,7 @@ class AttributeValue:
     timestamp_utc: Optional[datetime] = None
 
 
-def await_sequence_of_reports(report_queue: queue.Queue, endpoint_id: int, attribute: TypedAttributePath, sequence: list[Any], timeout_sec: float):
+def await_sequence_of_reports(report_queue: queue.Queue, endpoint_id: int, attribute: TypedAttributePath, sequence: list[Any], timeout_sec: float) -> None:
     """Given a queue.Queue hooked-up to an attribute change accumulator, await a given expected sequence of attribute reports.
 
     Args:
@@ -416,6 +421,7 @@ def __init__(self, expected_cluster: ClusterObjects.Cluster):
         self._subscription = None
         self._lock = threading.Lock()
         self._q = queue.Queue()
+        self._endpoint_id = 0
         self.reset()
 
     def reset(self):
@@ -439,6 +445,7 @@ async def start(self, dev_ctrl, node_id: int, endpoint: int, fabric_filtered: bo
             fabricFiltered=fabric_filtered,
             keepSubscriptions=True
         )
+        self._endpoint_id = endpoint
         self._subscription.SetAttributeUpdateCallback(self.__call__)
         return self._subscription
 
@@ -502,6 +509,23 @@ def await_all_final_values_reported(self, expected_final_values: Iterable[Attrib
             logging.info(f"  -> {expected_element} found: {last_report_matches.get(expected_idx)}")
         asserts.fail("Did not find all expected last report values before time-out")
 
+    def await_sequence_of_reports(self, attribute: TypedAttributePath, sequence: list[Any], timeout_sec: float) -> None:
+        """Await a given expected sequence of attribute reports in the accumulator for the endpoint associated.
+
+        Args:
+          - attribute: attribute to match for reports to check.
+          - sequence: list of attribute values in order that are expected.
+          - timeout_sec: number of seconds to wait for.
+
+        *** WARNING: The queue contains every report since the sub was established. Use
+            self.reset() to make it empty. ***
+
+        This will fail current Mobly test with assertion failure if the data is not as expected in order.
+
+        Returns nothing on success so the test can go on.
+        """
+        await_sequence_of_reports(report_queue=self.attribute_queue, endpoint_id=self._endpoint_id, attribute=attribute, sequence=sequence, timeout_sec=timeout_sec)
+
     @property
     def attribute_queue(self) -> queue.Queue:
         return self._q