Unit testing

Unit testing

unit test is the smallest testable part of an application like functions, classes, procedures, interfaces. Unit testing is a method by which individual units of source code are tested to determine if they are fit for use.

  • Unit tests are basically written and executed by software developers to make sure that code meets its design and requirements and behaves as expected.
  • The goal of unit testing is to segregate each part of the program and test that the individual parts are working correctly.
  • This means that for any function or procedure when a set of inputs are given then it should return the proper values. It should handle the failures gracefully during the course of execution when any invalid input is given.
  • A unit test provides a written contract that the piece of code must assure. Hence it has several benefits.
  • Unit testing is basically done before integration.

 

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