Is regression testing the same as end-to-end testing?

 


It is a testing method that ensures an update or change introduced in the code does not alter or modify the existing functionalities of the software application. Even a small code change can increase the usage of system resources, reduce page load time and may also slow down the application’s performance.

To avoid such pressing issues, regression testing is performed. Regression testing is performed whenever any new feature has been added or modifications have been done to the application during the software development process.

 

What is end-to-end testing?

End-to-end testing is a testing method that makes sure that the applications behave as expected and that the data flow is maintained for all kinds of processes and user tasks. A real-world scenario is simulated by initiating the testing process from end-user’s perspective.

More detailed test cases are added through which the test coverage is expanded. The test cases are run based on the end-user’s behavior in order to make sure that the application performs correctly.

 

Are regression testing and End-to-end testing the same?

No, regression testing and end-to-end testing are not the same. Following are the differences that will give you a brief idea about the dissimilarity between regression testing and end-to-end testing:

Regression testing

End-to-end testing

This testing method focuses on ensuring that the new changes does not alter the existing functionalities

This testing method focuses on the workflow

 

The flow of business processes is verified by making sure that the changes made to the system do not interfere with the old code’s functionality

The flow of business processes is verified by finding issues associated with the integrations or subsystem

Tests are run directly following a release or a change in programming

Tests are run continuously throughout the SDLC

Already executed test cases will be re-executed

Test cases are created

Testing is performed in a pre-production environment

Testing is performed in a simulated production environment that mimics end-user experience.

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