What is regression and smoke testing

Question

Accepted Answer

Regression testing is retesting of previously tested functionality to ensure that changes or fixes have not introduced new defects. Smoke testing is a subset of regression testing that focuses on testing the critical functionalities of an application.

Regression testing is performed to verify that changes or fixes in software have not introduced new defects or caused existing functionalities to fail.
It involves retesting of previously tested functionalities to ensure their continued functionality.
Regression testing is typically performed after bug fixes, enhancements, or changes in the software.
It helps in identifying any unintended side effects of changes made to the software.
Smoke testing is a subset of regression testing that focuses on testing the critical functionalities of an application.
It is performed to ensure that the basic functionalities of the software are working fine after any major changes or updates.
Smoke testing is usually performed before more extensive testing is carried out.
It helps in quickly identifying major issues or showstoppers that may prevent further testing.
For example, in a web application, smoke testing may involve checking if the login functionality, homepage loading, and basic navigation are working properly.

What is regression and smoke testing

Popular interview questions of Software QA Engineer

Top HR questions asked in Chetu Software QA Engineer