Unit Test

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What Does Unit Test Mean?

A unit test is a software development life cycle (SDLC) component in which a comprehensive testing procedure is individually applied to the smallest parts of a software program for fitness or desired operation.

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Techopedia Explains Unit Test

A unit test is a quality measurement and evaluation procedure applied in most enterprise software development activities. Generally, a unit test evaluates how software code complies with the overall objective of the software/application/program and how its fitness affects other smaller units. Unit tests may be performed manually – by one or more developer – or through an automated software solution.

When tested, each unit is isolated from the primary program or interface. Unit tests are typically performed after development and prior to publishing, thus facilitating integration and early problem detection. The size or scope of a unit varies by programming language, software application and testing objectives.

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Margaret Rouse
Technology expert
Margaret Rouse
Technology expert

Margaret is an award-winning writer and educator known for her ability to explain complex technical topics 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 in 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 to help IT and business professionals to learn to speak each other’s highly specialized languages.