starting with component unit testing (running on device)

Signed-off-by: Peter Siegmund <developer@mars3142.org>

test/CMakeLists.txt

@@ -0,0 +1,16 @@
+# This is the project CMakeLists.txt file for the test subproject
+cmake_minimum_required(VERSION 3.16)
+
+# Include the components directory of the main application:
+#
+set(EXTRA_COMPONENT_DIRS "../components")
+
+# Set the components to include the tests for.
+# This can be overriden from CMake cache:
+# - when invoking CMake directly: cmake -D TEST_COMPONENTS="xxxxx" ..
+# - when using idf.py: idf.py -T xxxxx build
+#
+set(TEST_COMPONENTS "logger" CACHE STRING "List of components to test")
+
+include($ENV{IDF_PATH}/tools/cmake/project.cmake)
+project(component_unit_test)