test: Add common header file

Author: adazem009

test/CMakeLists.txt

@@ -3,6 +3,7 @@ project(my_project)
 
 set(CMAKE_CXX_STANDARD 17)
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
+add_compile_definitions(DATA_DIR="${CMAKE_CURRENT_SOURCE_DIR}")
 
 set(GTEST_DIR thirdparty/googletest)
 add_subdirectory(${CMAKE_CURRENT_SOURCE_DIR}/../${GTEST_DIR} ${CMAKE_CURRENT_BINARY_DIR}/${GTEST_DIR})

test/common.h

@@ -0,0 +1,25 @@
+#pragma once
+
+#include <gtest/gtest.h>
+#include <fstream>
+#include <filesystem>
+
+std::string readFileStr(const std::string &fileName)
+{
+    std::ifstream file(fileName);
+    if (!file.is_open()) {
+        std::cout << "Failed to open " + fileName << std::endl;
+        return "";
+    }
+
+    std::stringstream buffer;
+    buffer << file.rdbuf();
+    return buffer.str();
+}
+
+int main(int argc, char **argv)
+{
+    std::filesystem::current_path(DATA_DIR);
+    ::testing::InitGoogleTest(&argc, argv);
+    return RUN_ALL_TESTS();
+}