What are the types of functional testing?



Software testing is performed to identify and resolve the software bugs that are blocking the software or system or the product from matching the expected requirements. Among its very big list of software testing methods, functional testing is one of the important testing methods that help in ensuring that every function in the application is working as expected.

Functional testing helps in achieving many benefits to the development process. Also, with the passing of each functional test, teams can easily validate the objective of the application at any point in time. Thus, to make this functional testing process even more efficient, it is essential for the teams to understand the different functional testing types and their usage.

What are the types of functional testing?

Unit Testing: In this functional testing type, individual software components are tested in isolation. This is the first software testing practice performed by programmers.

Smoke Testing: Whenever there is a build, it is essential to test it for validating its stability. This testing practice is smoke testing. By performing smoke testing, it is ensured that there is no such defect in the build and if any error is found the build is rejected at the initial stage itself.

Sanity Testing: This is performed on a build that is received with minor modifications. With this testing practice, teams can ensure that the modifications made to the build have been removed and there are no more issues raised further.

Integration Testing: This functional testing type is performed after unit testing. The individually tested modules are combined to validate the functionality of the modules after integration.

Regression Testing: This is performed when there is a small change made to the application or code. By performing this, teams can ensure that the new changes made to the application are affecting the already existing features or functionalities of the system.

User Acceptance Testing: This is the last software testing phase where clients and business owners perform this testing method to ensure the developed application is meeting the requirements of both the users and business.

The functional testing practice is having crucial importance in making software more effective for enterprises. With this testing practice, teams ensure validate each functionality of the system by providing certain input and validating the output against the functional requirements. Leverage functional testing services from next-gen QA testing services for delivering software that works as per the needed requirements.

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