Different Types of Functional Testing

Vaibhav Srivastava
5 February 2020

Software testing is one of the most crucial tasks when it comes to the development of a web application. Be it a mobile app or a software product, continuous testing is the key to deliver an IT product. Testing a software comprises of two kinds, functional and non-functional testing. While non-functional testing focuses on the external characteristics of the software whereas functional testing emphasis more on the prime functions or the issues that the code solves supposedly. In this post from Quarks, we are going to discuss different types of functional testing.

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Types of Functional Testing


Unit Testing


Unit testing aims to verify the functionality smallest code, and individual modules and software components. It is mostly done not by the test but by the programmer itself as it needs in-depth knowledge of the program codes and design. It is done to make sure that each and every component in the software works the way it should be.

Also Read: Benefits of Test Automation in a Software Project

Integration Testing


Out of all the types of functional testing, integration testing is used widely in the software testing process. It is defined as a testing method in which different modules and component of software are fused logically and then tested for their usability as a group. It focuses on the integrational part of the code and notifies tester if there occurs a bug in the process after integrating the components.

Smoke Testing


There are different types of functional testing that are used at different stages of the testing process, and one of them is smoke testing. It is usually carried out on the new build provided by developers to the Quality Assurance team to check if the functionalities are working fine or not. If any software tester finds out that one of the critical functionalities is broken at the earlier stages then QA team can disapprove the build and inform the development team.

Also Read: Why Laravel is the Best PHP Framework in 2020?

Sanity Testing


Sanity Testing is one of the most popular types of functional testing that is performed to check if the modified version of the software is working well to the extent that it could be accepted to put major testing attempt or not. If the application begins to crash at the initial levels of testing then it can be assumed that there is no point to take it at the further testing stages. So, a build is then sent back to the developer to fix it

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