// Hacker Noon · 11 February 2026

Testing a Component System Like Infrastructure: Contract Tests, Visual Regression, and Accessibility Gates

Unit tests won’t catch visual drift, focus bugs, or keyboard regressions in a design system. Learn a repeatable stack: contract tests, visual regression, a11y gates, and performance budgets—wired into CI.

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@hacker-noon · Harshit Vora

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