Why do we do functional testing?

Functional testing is a sort of black-box testing that is performed to affirm that the usefulness of an application or framework is carrying on true to form.

There must be something that defines what is acceptable behavior and what is not.

This is specified in a functional or requirement specification. It is a document that describes what a user is permitted to do so, that he can determine the conformance of the application or system to it. Additionally, sometimes this could also entail the actual business side scenarios to be validated.

Therefore, functionality testing can be carried out via two popular techniques:

Testing based on Requirements: Contains all the functional specifications which form a basis for all the tests to be conducted.

Testing based on Business scenarios: Contains the information about how the system will be perceived from a business process perspective.

Testing and Quality Assurance are a huge part of the SDLC process. As a tester, we need to be aware of all the types of testing even if we’re not directly involved with them on a daily basis.

As testing is an ocean, the scope of it is so vast indeed, and we have dedicated testers who perform different kinds of testing. Most probably all of us must be familiar with most of the concepts, but it will not hurt to organize it all here.

Functional Testing Types

Unit Testing: Unit testing is typically performed by a tester who composes distinctive code units that could be connected or random to accomplish specific usefulness. His, this generally involves composing unit tests which would call the techniques in every unit and approve those when the necessary parameters are passed, and its arrival worth is true to form.

Integration tests: When the framework depends on numerous useful modules that may exclusively work flawlessly, yet need to work lucidly when clubbed together to accomplish a start to finish situation, approval of such situations is called Integration testing.

Beta/Usability testing: Product is presented to the real client in creation like a situation and they test the item. The client's solace is gotten from this and the input is taken. This is like that of User Acceptance testing.

Functional System Testing:

Functional testing is a trying that is performed on a total framework to confirm on the off chance that it fills in true to form once every one of the modules or segments are coordinated.

End to end testing is performed to check the usefulness of the item. This testing is performed just when framework joining testing is finished including both the practical and non-useful prerequisites.

Functional testing is done to make sure the software for testing is as expected and the entire requirement is made according to the client requirement.

Basically Functional testing is a procedure of testing functionalities of the framework and guarantees that the framework is filling in according to the functionalities determined in the business report. The objective of this testing is to check whether the framework is practically immaculate!!!

I work as a Senior testing expert at TestingXperts in Canada. I will manage all the activities performed under software testing.