test: Add tests for the Triton log callback (#8858)

Author: pskiran1

Dockerfile.QA

@@ -144,6 +144,7 @@ RUN mkdir -p qa/common && \
     cp bin/response_cache_test qa/L0_response_cache/. && \
     cp bin/request_cancellation_test qa/L0_request_cancellation/. && \
     cp bin/triton_json_test qa/L0_json/. && \
+    cp bin/logging_test qa/L0_logging/. && \
     cp bin/backend_output_detail_test qa/L0_backend_output_detail/. && \
     cp -r deploy/mlflow-triton-plugin qa/L0_mlflow/. && \
     cp bin/input_byte_size_test qa/L0_input_validation/.

qa/L0_logging/test.sh

@@ -1,5 +1,5 @@
 #!/bin/bash
-# Copyright 2022-2025, NVIDIA CORPORATION & AFFILIATES. All rights reserved.
+# Copyright 2022-2026, NVIDIA CORPORATION & AFFILIATES. All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions
@@ -654,6 +654,17 @@ fi
 unset $SERVER_ERROR_LOG
 set -e
 
+# Triton common log-callback test.
+set +e
+UNIT_TEST_LOG="./log_callback_test.log"
+./logging_test --gtest_output=xml:logging.report.xml >> $UNIT_TEST_LOG 2>&1
+if [ $? -ne 0 ]; then
+    cat $UNIT_TEST_LOG
+    echo -e "\n***\n*** Logging Callback Unit Test Failed\n***"
+    RET=1
+fi
+set -e
+
 if [ $RET -eq 0 ]; then
     echo -e "\n***\n*** Test Passed\n***"
 else

qa/L0_python_api/test.sh

@@ -1,5 +1,5 @@
 #!/bin/bash
-# Copyright 2023-2025, NVIDIA CORPORATION & AFFILIATES. All rights reserved.
+# Copyright 2023-2026, NVIDIA CORPORATION & AFFILIATES. All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions
@@ -58,6 +58,15 @@ if [ $? -ne 0 ]; then
     RET=1
 fi
 
+LOG_CALLBACK_TEST_LOG="./python_logging_callback.log"
+rm -f $LOG_CALLBACK_TEST_LOG
+python -m pytest --junitxml=test_logging_callback_report.xml test_logging_callback.py > $LOG_CALLBACK_TEST_LOG 2>&1
+if [ $? -ne 0 ]; then
+    cat $LOG_CALLBACK_TEST_LOG
+    echo -e "\n***\n*** Test Failed\n***"
+    RET=1
+fi
+
 set -e
 
 if [ $RET -eq 0 ]; then