Levels of Testing
Levels of Testing Unit Testing Unit Testing is a level of software testing where individual units/ components of a software are tested. The purpose is to validate that each unit of the software performs as designed. Unit Testing is the first level of testing and is performed prior to Integration Testing . A unit is the smallest testable part of software. It usually has one or a few inputs and usually a single output. It is executed by the Developer. Unit Testing is performed by using the White Box Testing method Example: - A function, method, Loop or statement in program is working fine. Drivers Drivers are used in bottom-up integration testing approach. It can simulate the behavior of upper-level module that is not integrated yet. Driver’s modules act as the temporary replacement of module and act ...