Testing Importance – Functional vs. Non-Functional -Ikya Global Edu

Testing Importance - Functional vs. Non-Functional

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Testing is an integral part of software development process that facilitates the evaluation of the software product’s quality and its fitness for use. There is a lot of scope in testing and those who want to make a fabulous career in this field can enhance their skills by enrolling themselves software testing training offered by testing training institutes like Ikya Global. Software testing evaluates if the software product under test responds to the inputs given and meets the requirements of the client that have propelled its design and development. As a pre-requisite to delivering a software product, the software testing process involves testing on both functional and nonfunctional requirements as described in the software requirement specification.

Functional testing: In functional testing, the functional features of the product that are fundamental for the software to work are tested. This kind of testing evaluates if each of the functions of the software application is in accordance with the requirement specification given by the client by giving appropriate inputs and verifying if the output is as expected. This includes testing the main functions, usability and accessibility of the system.

Non-Functional testing: In non-functional testing all the non-functional aspects like performance, reliability, scalability, security etc. are tested. Testing these non-functional attributes has a great impact on the customer satisfaction levels. Generally, the users’ penchant for a software product is influenced by its non-functional attributes and hence testing these attributes is crucial to the success of a product.

Functional Testing	Non-Functional Testing
Functional testing is done to meet the customer requirements as specified in the software requirement specification.	Non-functional testing is done to meet the expectations and satisfy customers or end users.
This is performed before non-functional testing.	This is performed after functional testing.
It is easy to define requirements for this testing.	It is difficult to define requirements for this testing.
This testing can be done either manually or by using automation tools. However, manual testing is easier.	This is performed better and effectively using testing tools.
Types – unit testing, white box testing, black box testing, regression testing etc.	Types – performance testing, load testing, volume testing, stress testing etc.

Both functional and non-functional testing are important in the software development life-cycle to make the software product or application work as per the requirements of the user and to understand testing better, you should enroll with Ikya Global’s software testing training in Hyderabad.