Visual Regression Testing for CLIs with VHS

📰 Dev.to · Bala Paranj

Learn to use VHS for visual regression testing of CLI terminal output to ensure consistent user experience

intermediate Published 18 May 2026

Action Steps

Install VHS using npm or yarn
Configure VHS to record and compare GIF-based visual regression tests
Write tests to capture and verify CLI terminal output
Run tests and review results to identify visual regressions
Integrate VHS into CI/CD pipeline for automated testing

Who Needs to Know This

Developers and testers on a team can benefit from this approach to ensure consistent and reliable CLI output, making it easier to identify and fix visual regressions

Key Insight

💡 VHS enables visual regression testing of CLI output using GIF-based comparisons, making it easier to catch visual regressions and ensure consistent user experience