What is Unit Testing?
Unit Testing is a type of software testing where individual units or components of a software or program of a software are tested. The purpose is to validate that each unit of the software or program performs as expected. Unit Testing is not a new concept. It’s been there since the early days of programming. Usually, developers and sometimes White box testers write Unit tests to improve code quality by verifying every unit of the code used to implement functional requirements. In simple words, it means – writing a piece of code (unit test) to verify the code (unit) written for implementing requirements. Unit Testing In SDLC In Unit testing, developers use manual or automated tests to ensure that each unit in the software meets the customer’s requirement. This unit can be an individual function, object, method, procedure, or module in the software under test. Writing unit tests to test the individual units makes writing comprehensive tests easier as all the units are put tog...