What Is Sanity Testing? A Complete Guide with Examples

Matthewallen05 Aug, 2026Technology

A developer fixes a bug in the checkout flow. The build gets pushed to QA. Now what? Do you re-run the entire test suite before anyone signs off on this build? Or do you spend a few minutes confirming the fix actually works and nothing obvious broke nearby, so the team can decide what happens next? That quick, targeted check has a name: sanity testing. It's one of the most commonly used testing types in software QA, and a misunderstood one, often confused with smoke testing or treated as a lighter version of regression testing.

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