behaveCommand LineTesting & QA ToolsDeveloper ToolsemirmrkaljevicAlicense-Not gradedqualityAmaintenanceRecords how any command-line tool behaves (flags, stdin, outputs, exit codes, edge cases) as golden tests, then diffs a Rust or Go rewrite against the original to prove it behaves the same. Updated 5 hours ago (2026-10-15 18:07 UTC)MIT