How is User acceptance testing different from functional testing?

 


What is User Acceptance Testing (UAT)?

UAT Testing is a method where the software product or application is tested by an end-user in order to know the value a particular product or application brings in terms of performance, user experience and usability. User feedback is gathered to understand and analyze the user’s perspective and the worth of a product in a real-world scenario. 

Based on the user’s feedback, the necessary decision is taken by the team to alter or modify the product or application in order to further improve the overall quality. It is the last testing phase in the software development process. In certain scenarios, it is also known as “Beta testing” or “End-to-end testing.”

What is functional testing?

It is a testing method that verifies whether the software application is built as per the functional specific requirements or not. Each function is compared in order to know whether it is in line with the corresponding requirements and thus determine whether the output is consistent with the expectations of the end-users. 

The software is validated against the functional specifications. Each function of the software application is tested by providing appropriate input and then the output is verified against the functional requirements.

 

Differences between UAT and functional testing;

User Acceptance testing

Functional testing

UAT is performed to check whether the product is as per the user and business requirements

Functional testing is performed to check whether the product is built as per the functional specific requirements

The usability and user experience of an application are focused and worked upon

The functions of an application are focused and worked upon

This testing method is focused on ascertaining the acceptance criteria of the users as to how much they have liked the product or application

This testing method is focused on ascertaining whether every function is able to work according to the expectations

It is a validation activity

It is a verification activity

 

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