Functional testing is a qa process intended to verify whether a software program performs and functions properly, i.e. in accordance with its design specification.
What are the Characteristics & Benefits of Functional Testing?
No one can be sure of 100 % quality of a software application before testing its functional requirements. And due to this, functional testing service is widely used to ensure the quality of the end product. This means that software apps must be subjected to exhaustive functional testing before being distributed to the customers. Such preventive measure is necessary to make sure that all the functions work as expected. Besides, functional testing should follow system testing but precede acceptance testing.
Let us imagine that a software test company has been assigned the task of verifying functionality of enterprise web site. What questions must testers ask themselves before setting to testing work? Are all the buttons clickable? Do all links lead to the correct pages? Can feedback forms be opened without problems? These and many other questions of the kind must be necessarily documented in functional test cases.
Functional test cases are an integral part of the abovementioned methodology and, as a rule, developed by the customer or a development team. Based on this data, testers may set functional requirements for a software application. However, test cases, are only supporting tools and anyway it is necessary to determine characteristics of functional testing.
5 Major Peculiarities of Functional Testing:
To sum it up briefly, it should be pointed out that functional testing has its disadvantages such as long duration and the risk of generating inaccurate test results in comparison with machine logic. However, functional testing services are delivered on a regular basis and it is hardly possible for businesses to do without them. This accounts for the significant advantage of this type of verification – using it a testing company is able to ensure the highest quality of software product and achieve customer & client satisfaction.