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Unit testing is a software testing technique in which separate components or functions of a program are tested independently to verify that they function as desired. It targets the smallest units of an application, often functions or methods, and checks their correctness by feeding them with specific inputs and verifying expected outputs. Unit tests are typically authored by programmers while or after coding and are automated so that they can be run often. This catches bugs early, makes debugging easier, and insures code acts right after refactoring or changes. Unit testing is a central part of test-driven development (TDD), wherein test cases are authored prior to the code. JUnit (Java), NUnit (.NET), and pytest (Python) are typical unit testing tools. In general, unit testing enhances the quality of code, maintainability, and lowers the cost of defect correction later in the development process.
Know more- Software Testing Course in Pune
Software Testing Classes in Pune

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