Updates AttributeChangeCallback

Author: raul-marquez-csa

src/python_testing/matter_testing_support.py

@@ -317,25 +317,29 @@ def __init__(self, expected_attribute: ClusterObjects.ClusterAttributeDescriptor
         self._expected_attribute = expected_attribute
 
     def __call__(self, path: TypedAttributePath, transaction: SubscriptionTransaction):
-        if path.AttributeType == self._expected_attribute:
-            q = (path, transaction)
-            logging.info(f'[callback] Got subscription report for {path.AttributeType}')
-            self._output.put(q)
-        else:
-            logging.error(f"Expected attribute {self._expected_attribute} mismatch: {path.AttributeType}")
+        """This is the subscription callback when an attribute is updated.
+           It checks the passed in attribute is the same as the subscribed to attribute and
+           then posts it into the queue for later processing."""
+           
+        asserts.assert_equal(path.AttributeType, self._expected_attribute,
+                             f"[AttributeChangeCallback] Attribute mismatch. Expected: {self._expected_attribute}, received: {path.AttributeType}")
+        logging.info(f"[AttributeChangeCallback] Attribute update callback for {path.AttributeType}")
+        q = (path, transaction)
+        self._output.put(q)
 
     def wait_for_report(self):
         try:
             path, transaction = self._output.get(block=True, timeout=10)
         except queue.Empty:
-            asserts.fail(f"Failed to receive a report for the attribute change for {self._expected_attribute}")
+            asserts.fail(f"[AttributeChangeCallback] Failed to receive a report for the {self._expected_attribute} attribute change")
 
         asserts.assert_equal(path.AttributeType, self._expected_attribute,
-                             f"Received incorrect attribute report. Expected: {self._expected_attribute}, received: {path.AttributeType}")
+                             f"[AttributeChangeCallback] Received incorrect report. Expected: {self._expected_attribute}, received: {path.AttributeType}")
         try:
-            transaction.GetAttribute(path)
+            attribute_value = transaction.GetAttribute(path)
+            logging.info(f"[AttributeChangeCallback] Got attribute subscription report. Attribute {path.AttributeType}. Updated value: {attribute_value}. SubscriptionId: {transaction.subscriptionId}")
         except KeyError:
-            asserts.fail("Attribute {expected_attribute} not found in returned report")
+            asserts.fail("[AttributeChangeCallback] Attribute {expected_attribute} not found in returned report")
 
 
 class InternalTestRunnerHooks(TestRunnerHooks):