Major points of difference between Functional and Non-Functional testing
Functional and Non-Functional testing: Today we all live in a world where for every work there is an app that will help in carrying out the work quickly. So to maintain these apps efficiently, there is the requirement to keep conducting different tests that will help to know how the app is working. According to the trusted reports it stated that 71% of the app crash can lead to the uninstallation of the app that can become a great issue future. This is why it is very important to conduct either Functional and non functional testing to deliver the best user-friendly app.
What is Functional Testing?
Functional testing to make sure that all the functions of the app are working most appropriately. It is like the black box testing that will help in getting the details of the source code of the app. In functional testing, the major focus is put on making the functions of the app very user-friendly.
To perform such tests, the user first needs to identify the test input and analysis the expected outcomes of the test. So that the most appropriate test input values select. It includes different tests like Unit testing, Sanity testing, Regression Testing System Testing, Beta/User acceptance testing, Smoke testing, and integration testing.
What is Non-Functional Testing?
This test is designed in such a way that it will evaluate the readiness of the app and will provide various criteria like stress testing, scalability testing, or load testing. This test will help the developer to know that how the app will perform in challenging conditions. Even there are different types of non-functional testing like performance testing that will include stress testing, spike testing, volume testing, compatibility testing, endurance testing, scalability testing, etc.
No doubt, both these tests are very important to be conducted. But some people think that both tests are the same. So they are completely wrong, there are various points of difference.
Let’s have a look at them.
- Functional testing verifies every function of the app or the software and ensures that it is working in the best possible conditions whereas non-functional testing verifies the non-functional aspects of the app like performance, reliability, stress, usability, etc.
- The functional tests are performed manually by the team whereas the non-functional testing is very hard to perform manually. So other software and techniques use to conduct this test.
- Functional testing is purely based upon the customer’s requirements and on the other hand, non-functional testing is based upon the customer’s expectations.
- The main aim of functional testing is to be sure that all the actions of the app or software are in the best condition. On the other hand, the main aim of non-functional testing is to check the overall performance of the app or software.
- The functional testing checks the login functionality but the non-functional testing checks that the dashboard should get loaded within 2 seconds.
- The functional testing is based upon what the product does on the other hand the non-functional describes how the product works.
- The test performs first and after that only the non-functional test perform.
So in nutshell, it can conclud that both these testing are very important to conduct to check the day-to-day functioning of the app or the software. Whatever comes into the market whether it is an app or software, the developer should maintain the proper check whether it is using the people and is it able to fulfil the requirement of the customers. It is better to take the help of these tests to get the best results.
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