add test framework

.github/workflows/ci.yml

@@ -156,10 +156,9 @@ jobs:
 
       - name: Run tests
         id: test
-        if: false
         working-directory: build/tests
         run: |
-          ./test_moonlight-xboxog --gtest_color=yes
+          ./test_moonlight --gtest_color=yes
 
       - name: Generate gcov report
         # any except canceled or skipped

.gitmodules

@@ -1,3 +1,7 @@
+[submodule "third-party/googletest"]
+	path = third-party/googletest
+	url = https://github.com/google/googletest.git
+	branch = main
 [submodule "third-party/moonlight-common-c"]
 	path = third-party/moonlight-common-c
 	url = https://github.com/moonlight-stream/moonlight-common-c.git

CMakeLists.txt

@@ -12,6 +12,11 @@ set(XBOX_XBE_DIR "${CMAKE_CURRENT_BINARY_DIR}/xbe")
 set(XBOX_ISO "${CMAKE_PROJECT_NAME}.iso")
 message(STATUS "XBOX_ISO: ${XBOX_ISO}")
 
+#
+# Options
+#
+option(BUILD_TESTS "Build tests" ON)
+
 # create the xbe directory if it doesn't exist
 file(MAKE_DIRECTORY ${XBOX_XBE_DIR})
 
@@ -30,15 +35,27 @@ add_definitions(-DXBOX -DNXDK)
 set(MOONLIGHT_SOURCES
         "${CMAKE_CURRENT_SOURCE_DIR}/src/main.cpp"
 )
+set(MOONLIGHT_EXTERNAL_LIBRARIES
+        "${NXDK_DIR}/lib/libpbkit.lib"
+)
 
 add_executable(${CMAKE_PROJECT_NAME}
         ${MOONLIGHT_SOURCES}
 )
 include_directories("${NXDK_DIR}/lib")
-target_link_libraries(${CMAKE_PROJECT_NAME} PUBLIC ${NXDK_DIR}/lib/libpbkit.lib)
+target_link_libraries(${CMAKE_PROJECT_NAME} PUBLIC
+        ${MOONLIGHT_EXTERNAL_LIBRARIES}
+)
 
 target_compile_definitions(${CMAKE_PROJECT_NAME} PRIVATE "")
 
+#
+# tests
+#
+if(BUILD_TESTS)
+    add_subdirectory(tests)
+endif()
+
 # Post-build exe to xbe conversion
 add_custom_target(cxbe_convert ALL
         VERBATIM COMMAND "${CMAKE_COMMAND}" -E env ./tools/cxbe/cxbe -OUT:${XBOX_XBE_DIR}/default.xbe -TITLE:${XBE_TITLE} ${CMAKE_CURRENT_BINARY_DIR}/${XBE_TITLE}.exe

tests/CMakeLists.txt

@@ -0,0 +1,53 @@
+cmake_minimum_required(VERSION 3.13)
+# https://github.com/google/oss-policies-info/blob/main/foundational-cxx-support-matrix.md#foundational-c-support
+
+project(test_moonlight)
+
+include_directories("${CMAKE_SOURCE_DIR}")
+
+enable_testing()
+
+# Add GoogleTest directory to the project
+set(GTEST_SOURCE_DIR "${CMAKE_SOURCE_DIR}/third-party/googletest")
+set(INSTALL_GTEST OFF)
+set(INSTALL_GMOCK OFF)
+add_subdirectory("${GTEST_SOURCE_DIR}" "${CMAKE_CURRENT_BINARY_DIR}/googletest")
+include_directories("${GTEST_SOURCE_DIR}/googletest/include" "${GTEST_SOURCE_DIR}")
+
+# coverage
+# https://gcovr.com/en/stable/guide/compiling.html#compiler-options
+set(CMAKE_CXX_FLAGS "-fprofile-arcs -ftest-coverage -ggdb -O0")
+set(CMAKE_C_FLAGS "-fprofile-arcs -ftest-coverage -ggdb -O0")
+
+# if windows
+if (WIN32)
+    # For Windows: Prevent overriding the parent project's compiler/linker settings
+    set(gtest_force_shared_crt ON CACHE BOOL "" FORCE)  # cmake-lint: disable=C0103
+endif ()
+
+file(GLOB_RECURSE TEST_SOURCES CONFIGURE_DEPENDS
+        ${CMAKE_SOURCE_DIR}/tests/*.h
+        ${CMAKE_SOURCE_DIR}/tests/*.cpp)
+
+# remove main.cpp from the list of sources
+# TODO
+# list(REMOVE_ITEM MOONLIGHT_SOURCES ${CMAKE_SOURCE_DIR}/src/main.cpp)
+
+add_executable(${PROJECT_NAME}
+        ${TEST_SOURCES}
+        ${MOONLIGHT_SOURCES})
+
+foreach(dep ${MOONLIGHT_TARGET_DEPENDENCIES})
+    add_dependencies(${PROJECT_NAME} ${dep})  # compile these before Moonlight
+endforeach()
+
+set_target_properties(${PROJECT_NAME} PROPERTIES CXX_STANDARD 20)
+target_link_libraries(${PROJECT_NAME}
+        ${MOONLIGHT_EXTERNAL_LIBRARIES}
+        gtest
+        gtest_main)  # if we use this we don't need our own main function
+target_compile_definitions(${PROJECT_NAME} PUBLIC ${MOONLIGHT_DEFINITIONS} ${TEST_DEFINITIONS})
+target_compile_options(${PROJECT_NAME} PRIVATE $<$<COMPILE_LANGUAGE:CXX>:${MOONLIGHT_COMPILE_OPTIONS}>)
+target_link_options(${PROJECT_NAME} PRIVATE)
+
+add_test(NAME ${PROJECT_NAME} COMMAND moonlight_test)