What is Functional Testing?


Defining Functional Testing

Let’s take a look at a couple different definitions of functional testing, starting with more technical definitions and working our way to simpler.

Wikipedia defines functional testing like this:

Functional testing is a quality assurance (QA) process and a type of black box testing that bases its test cases on the specifications of the software component under test.

Good definition, but what if you don’t know what black box testing means? Technopedia’s definition is a bit more straightforward:

Functional testing is a software testing process used within software development in which software is tested to ensure that it conforms with all requirements. Functional testing is a way of checking software to ensure that it has all the required functionality that’s specified within its functional requirements.

Why Should I Use Functional Testing?

The simple answer is, to make sure everything is functioning properly! Functional testing is your starting point for all software quality assurance. It makes sense, right, that before your end users have access to your product, you want to make sure it works exactly as planned? Functional testing is a broad term for many specific kinds of testing techniques, including:

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  1. I am in the process of designing my own website. I have had to test it out many times and fix mistakes many times! Functional testing can take time, but it assures the quality of my website and makes sure it is functioning properly.

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