Add unit testing back

.github/workflows/ci.yml

@@ -66,18 +66,9 @@ jobs:
     - name: cache
       uses: actions/cache@v3
       with:
-        path: "**/cpm_modules"
+        path: "**/CPM_modules"
         key: ${{ github.workflow }}-cpm-modules-${{ hashFiles('**/CMakeLists.txt', '**/*.cmake') }}
 
-    - name: setup dependencies
-      uses: aminya/setup-cpp@v1
-      with:
-        compiler: ${{ matrix.compiler }}
-        vcvarsall: ${{ contains(matrix.os, 'windows')}}
-        cmake: true
-        ccache: true
-        clangtidy: ${{ env.CLANG_TIDY_VERSION }}
-
     - name: Configure CMake
       run: cmake -B ${{github.workspace}}/build -DCMAKE_BUILD_TYPE=${{matrix.build_configuration}}
 

CMakeLists.txt

@@ -7,7 +7,7 @@ set(CMAKE_CXX_STANDARD_REQUIRED true)
 set(CMAKE_CONFIGURATION_TYPES "Debug;Release" CACHE STRING "" FORCE)
 
 set_property(GLOBAL PROPERTY USE_FOLDERS ON)
-OPTION(ENABLE_TESTS "Enable Unit Tests" OFF)
+OPTION(ENABLE_TESTS "Enable Unit Tests" ON)
 OPTION(ENABLE_ALL_REASONABLE_WARNINGS "Enable all possible reasonable warnings" ON )
 OPTION(ENABLE_WARNINGS_AS_ERRORS "Warnings are treated as Errors" ON)
 OPTION(ENABLE_STATIC_ANALYSIS "Enable Static Analysis Tools" OFF)
@@ -20,4 +20,10 @@ include(${CMAKE_SCRIPTS_DIR}/sanitizers.cmake)
 include(${CMAKE_SCRIPTS_DIR}/staticanalysis.cmake)
 include(${CMAKE_SCRIPTS_DIR}/cpm.cmake)
 
+if (ENABLE_TESTS)
+    message("-- Unit Testing Enabled")
+    enable_testing()
+    add_subdirectory(test)
+endif()
+
 add_subdirectory(src)

test/CMakeLists.txt

@@ -0,0 +1,15 @@
+include(${CMAKE_SCRIPTS_DIR}/googletest.cmake)
+set(current_target opengl-starter-test)
+
+add_executable(
+  ${current_target}
+  test_main.cpp
+)
+
+target_link_libraries(
+  ${current_target}
+  gtest_main
+)
+
+include(GoogleTest)
+gtest_discover_tests(${current_target})

test/test_main.cpp

@@ -0,0 +1,6 @@
+#include <gtest/gtest.h>
+
+TEST(testmain, example)
+{
+    EXPECT_EQ(42, 7*6);
+}