Real-World Examples of Sanity Testing Catching Critical Bugs Early

  • Real-World Examples of Sanity Testing Catching Critical Bugs Early

    Posted by Carl on October 6, 2025 at 6:28 am

    In fast-paced software development, even small changes can have unexpected consequences. That’s why <strong data-start=”232″ data-end=”250″>sanity testing plays such a crucial role. Unlike full regression testing, sanity testing is a quick, focused check to ensure that the recent code changes haven’t broken core functionality. Its real value becomes apparent when it catches critical issues before they reach end users.

    Take, for example, an e-commerce platform updating its payment gateway. A minor tweak in the API could unintentionally block certain payment methods. By performing sanity testing on the key checkout flows, QA teams discovered the problem immediately, preventing a potential outage affecting thousands of customers. Without these quick sanity checks, the bug might have gone unnoticed until after release, causing lost revenue and customer frustration.

    Another common scenario is in mobile app development. A UI change intended for a single screen sometimes disrupts login or navigation across multiple devices. Sanity testing focusing on login, registration, and core screens can reveal such breakages early, ensuring that the app remains functional while developers continue iterative updates.

    Modern tools like <strong data-start=”1340″ data-end=”1350″>Keploy make sanity testing even more effective. By capturing real API traffic and automatically generating test cases and mocks, Keploy allows teams to validate critical flows without manually writing exhaustive tests. This reduces human error, speeds up validation, and ensures that even in complex applications, sanity testing provides meaningful coverage.

    In short, sanity testing is a safety net. It’s the difference between shipping software confidently and facing post-release emergencies. By focusing on critical functionality and leveraging tools like Keploy, teams can catch major issues early, maintain trust with users, and keep development cycles fast without compromising quality.

    Jamiel replied 2 weeks, 1 day ago 2 Members · 1 Reply
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  • Jamiel

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