Software Testing Life Cycle

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What Does Software Testing Life Cycle Mean?

A software testing life cycle (STLC) is a set of steps used to test software products. Software testing is a critical part of preparing software for use, and a STLC helps make this process more sophisticated, consistent and effective.

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Techopedia Explains Software Testing Life Cycle

Many STLC setups start with an analysis of testing requirements, or figuring out what needs to be accomplished with testing. Developers look at all possible scenarios where a lack of testing could lead to software vulnerabilities or glitches. One of the next steps involves test planning, where teams make concessions for the identified requirements. Later, there is test execution and other follow-ups, such as regression testing for more complex user interactions and retesting for some elements that are more troublesome than the average code module. After implementation, there is typically a “closure” step, where teams ensure the completion of everything that needs to occur.

It is important to note that a software testing life cycle is different from a release or development life cycle, which also involves testing but only as a sub-portion of relevant production phases. In general, the software release process has become a somewhat standardized process, with phases labeled alpha and beta, as well as other steps used to slowly put together a software product and release it to an end user audience. In recent years, some organizations have changed the way they approach release and testing life cycles, such as a process known as “devops,” which is used to bridge development and production environments, or even calling on end users to assist in identifying software issues – something that often occurs in the open-source community.

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Margaret Rouse
Technology Expert
Margaret Rouse
Technology Expert

Margaret is an award-winning technical writer and teacher known for her ability to explain complex technical subjects to a non-technical business audience. Over the past twenty years, her IT definitions have been published by Que in an encyclopedia of technology terms and cited in articles by the New York Times, Time Magazine, USA Today, ZDNet, PC Magazine, and Discovery Magazine. She joined Techopedia in 2011. Margaret's idea of a fun day is helping IT and business professionals learn to speak each other’s highly specialized languages.