tests: add Common placeholder smoke/gtest tests and MockCoordTrans

Lts/Common/CommonUnitTestsPlaceholder/CMakeLists.txt

@@ -0,0 +1,32 @@
+cmake_minimum_required(VERSION 3.16)
+project(CommonUnitTestsPlaceholder)
+
+include(FetchContent)
+
+option(BUILD_SMOKE_TESTS "Build QtTest smoke tests" OFF)
+option(BUILD_GTEST_SMOKE "Build GTest smoke tests" OFF)
+
+add_subdirectory(mocks)
+
+if(BUILD_SMOKE_TESTS)
+  find_package(Qt6 REQUIRED COMPONENTS Test)
+  add_executable(coordTransTests_smoke coordTransTests_smoke.cpp)
+  target_link_libraries(coordTransTests_smoke PRIVATE Qt6::Test MockCoordTrans::MockCoordTrans)
+  add_test(NAME coordTransTests_smoke COMMAND coordTransTests_smoke)
+endif()
+
+if(BUILD_GTEST_SMOKE)
+  find_package(GTest QUIET)
+  if(NOT GTest_FOUND)
+    FetchContent_Declare(
+      googletest
+      GIT_REPOSITORY https://github.com/google/googletest.git
+      GIT_TAG release-1.12.1
+    )
+    set(gtest_force_shared_crt ON CACHE BOOL "" FORCE)
+    FetchContent_MakeAvailable(googletest)
+  endif()
+  add_executable(coordTransTests_gtest coordTransTests_gtest.cpp)
+  target_link_libraries(coordTransTests_gtest PRIVATE GTest::gtest_main MockCoordTrans::MockCoordTrans)
+  add_test(NAME coordTransTests_gtest COMMAND coordTransTests_gtest)
+endif()