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Test driver (software)
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<p>In <a href="/facts/Software_testing/VoXzG9Tb">software testing</a> a test driver is a software component or application that initiates and controls the execution of a program under test, especially when such components are part of a larger system and cannot run in isolation. Drivers control applications across various stages of software testing, from <a href="/facts/Unit_testing/SYoGGS3T">unit</a> and <a href="/facts/Integration_testing/FcPo9Fmn">integration testing</a> right through to <a href="/facts/System_integration_testing/3JHUQkvz">system integration testing</a> and <a href="/facts/Acceptance_testing/xlDUeQ0M">acceptance testing</a> , especially when the target module is a component of a larger system that is not yet fully implemented or otherwise unavailable. </p>