Add tracetools_test package with simple test

tracetools_test/CMakeLists.txt

@@ -0,0 +1,49 @@
+cmake_minimum_required(VERSION 3.5)
+project(tracetools_test)
+
+# Default to C++14
+if(NOT CMAKE_CXX_STANDARD)
+  set(CMAKE_CXX_STANDARD 14)
+endif()
+
+if(CMAKE_COMPILER_IS_GNUCXX OR CMAKE_CXX_COMPILER_ID MATCHES "Clang")
+  add_compile_options(-Wall -Wextra -Wpedantic -fPIC)
+endif()
+
+find_package(ament_cmake REQUIRED)
+find_package(rclcpp REQUIRED)
+find_package(std_msgs REQUIRED)
+
+# Tests
+if(BUILD_TESTING)
+  add_executable(test_publisher
+    test/test_publisher.cpp
+  )
+  ament_target_dependencies(test_publisher
+    rclcpp
+    std_msgs
+  )
+  install(TARGETS
+    test_publisher
+    DESTINATION lib/${PROJECT_NAME}
+  )
+
+  find_package(ament_cmake_pytest REQUIRED)
+
+  # Run each test in its own pytest invocation
+  set(_tracetools_test_pytest_tests
+    test/test_publisher.py
+  )
+
+  foreach(_test_path ${_tracetools_test_pytest_tests})
+    get_filename_component(_test_name ${_test_path} NAME_WE)
+    ament_add_pytest_test(${_test_name} ${_test_path}
+      PYTHON_EXECUTABLE "${PYTHON_EXECUTABLE}"
+      APPEND_ENV AMENT_PREFIX_PATH=${ament_index_build_path}
+        PYTHONPATH=${CMAKE_CURRENT_BINARY_DIR}
+      TIMEOUT 60
+    )
+  endforeach()
+endif()
+
+ament_package()