Added testutils for use in writing tests

Currently contains helpers for managing temporary directories used in tests

1 files changed, 31 insertions, 0 deletions

diff --git a/zencore/include/zencore/testutils.h b/zencore/include/zencore/testutils.h
new file mode 100644
index 000000000..72d985d5c
--- /dev/null
+++ b/zencore/include/zencore/testutils.h
@@ -0,0 +1,31 @@
+// Copyright Epic Games, Inc. All Rights Reserved.
+
+#pragma once
+
+#include <filesystem>
+
+namespace zen {
+
+std::filesystem::path CreateTemporaryDirectory();
+
+class ScopedTemporaryDirectory
+{
+public:
+	ScopedTemporaryDirectory();
+	~ScopedTemporaryDirectory();
+
+	std::filesystem::path& Path() { return m_RootPath; }
+
+private:
+	std::filesystem::path m_RootPath;
+};
+
+struct ScopedCurrentDirectoryChange
+{
+	std::filesystem::path OldPath{std::filesystem::current_path()};
+
+	ScopedCurrentDirectoryChange() { std::filesystem::current_path(CreateTemporaryDirectory()); }
+	~ScopedCurrentDirectoryChange() { std::filesystem::current_path(OldPath); }
+};
+
+}  // namespace zen