Editing Unit testing (section)

{{Short description|Validating the behavior of isolated source code}}
{{Use dmy dates|date=April 2020}}
{{Software development process|Core activities}}

'''Unit testing''', {{aka}} '''component''' or '''module''' testing, is a form of [[software testing]] by which isolated [[source code]] is tested to validate expected behavior.<ref name="kolawa">{{cite book | last = Kolawa | first = Adam |author2=Huizinga, Dorota  | title = Automated Defect Prevention: Best Practices in Software Management | url = | year = 2007 | publisher = Wiley-IEEE Computer Society Press | page=75 | isbn = 978-0-470-04212-0 }}</ref>

Unit testing describes tests that are run at the unit-level to contrast testing at the [[Integration testing|integration]] or [[System testing|system]] level.