ci(tests): add test framework

.gitmodules

@@ -58,3 +58,7 @@
 	path = third-party/ffmpeg-linux-powerpc64le
 	url = https://github.com/LizardByte/build-deps
 	branch = ffmpeg-linux-powerpc64le
+[submodule "third-party/googletest"]
+	path = third-party/googletest
+	url = https://github.com/google/googletest/
+	branch = main

cmake/compile_definitions/common.cmake

@@ -23,6 +23,10 @@ elseif(UNIX)
     endif()
 endif()
 
+# tests
+add_subdirectory(tests)
+enable_testing()
+
 include_directories(SYSTEM third-party/nv-codec-headers/include)
 file(GLOB NVENC_SOURCES CONFIGURE_DEPENDS "src/nvenc/*.cpp" "src/nvenc/*.h")
 list(APPEND PLATFORM_TARGET_FILES ${NVENC_SOURCES})

cmake/dependencies/common.cmake

@@ -2,6 +2,9 @@
 # this file will also load platform specific dependencies
 
 # submodules
+# testing
+add_subdirectory(third-party/googletest)
+
 # moonlight common library
 add_subdirectory(third-party/moonlight-common-c/enet)
 

tests/CMakeLists.txt

@@ -0,0 +1,14 @@
+set(BINARY ${CMAKE_PROJECT_NAME}_test)
+
+set(TEST_SOURCES
+        main.cpp
+        test_main.cpp
+)
+
+add_executable(${BINARY} ${TEST_SOURCES})
+
+add_test(NAME ${BINARY} COMMAND ${BINARY})
+
+target_link_libraries(${BINARY} PUBLIC gtest)
+
+# target_include_directories(${BINARY} PRIVATE ${CMAKE_SOURCE_DIR}/third-party/googletest/googletest/include)

tests/main.cpp

@@ -0,0 +1,7 @@
+#include "gtest/gtest.h"
+
+int
+main(int argc, char **argv) {
+  ::testing::InitGoogleTest(&argc, argv);
+  return RUN_ALL_TESTS();
+}

tests/test_main.cpp

@@ -0,0 +1,19 @@
+/**
+* @file tests/test_main.cpp
+* @brief Test src/main.*.
+*/
+
+#include "../src/main.h"
+#include "gtest/gtest.h"
+
+TEST(MainTestSuite, WriteFileTest) {
+ EXPECT_EQ(write_file("write_file_test.txt", "test"), 0);
+}
+
+TEST(MainTestSuite, ReadFileTest) {
+ // read file from WriteFileTest
+ EXPECT_EQ(read_file("write_file_test.txt"), "test");
+
+ // read missing file
+ EXPECT_EQ(read_file("non-existing-file.txt"), "");
+}

tools/CMakeLists.txt

@@ -36,4 +36,3 @@ target_link_libraries(ddprobe
         d3d11
         ${PLATFORM_LIBRARIES})
 target_compile_options(ddprobe PRIVATE ${SUNSHINE_COMPILE_OPTIONS})
-