feat: add unit test framework

CMakeLists.txt

@@ -41,6 +41,46 @@ add_subdirectory(MicroLMS)
 # CppRestSDK
 find_package(cpprestsdk CONFIG REQUIRED)
 
+# GoogleTest
+# Download and unpack googletest at configure time
+configure_file(googletest.cmake.in googletest-download/CMakeLists.txt)
+execute_process(COMMAND ${CMAKE_COMMAND} -G "${CMAKE_GENERATOR}" .
+  RESULT_VARIABLE result
+  WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/googletest-download )
+if(result)
+  message(FATAL_ERROR "CMake step for googletest failed: ${result}")
+endif()
+execute_process(COMMAND ${CMAKE_COMMAND} --build .
+  RESULT_VARIABLE result
+  WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/googletest-download )
+if(result)
+  message(FATAL_ERROR "Build step for googletest failed: ${result}")
+endif()
+
+# Prevent overriding the parent project's compiler/linker
+# settings on Windows
+set(gtest_force_shared_crt ON CACHE BOOL "" FORCE)
+
+# Add googletest directly to our build. This defines
+# the gtest and gtest_main targets.
+add_subdirectory(${CMAKE_CURRENT_BINARY_DIR}/googletest-src
+                 ${CMAKE_CURRENT_BINARY_DIR}/googletest-build
+                 EXCLUDE_FROM_ALL)
+
+# add the test executable
+add_executable(rpctest
+  test.cpp
+  utils.cpp
+)
+
+target_link_libraries(rpctest
+  gtest_main
+  cpprestsdk::cpprest
+  cpprestsdk::cpprestsdk_zlib_internal
+  cpprestsdk::cpprestsdk_boost_internal
+  cpprestsdk::cpprestsdk_openssl_internal
+)
+
 # ccu-poc
 add_executable (rpc
   info.h