Component Testing for Execution Points and Specific Functions

Component Testing for Execution Points and Specific Functions
February 20 10:00 2012 Print This Article

Component testing is generally used for testing a software component, normally by a not big team of programmers.

A component commonly comprises a set of smaller units that together form an object. For traditional software there isn’t accurate differentiation between units and components. The only difference is that components are larger and each of them normally comprises some units. Therefore, component testing is nearly equal to unit testing.

Component Testing for Execution Points and Specific Functions

The equal white-box testing approach for unit testing can still be used for conducting software testing of such components. It runs contrary to information hiding rule.

Black-box testing approach is more in line with such objects as components. Black-box testing techniques or usage-based testing techniques can be used. Additionally, some recent work has been focused on adapting traditional testing techniques to work for object-oriented systems, which attempts to adapt use cases and design template suggestions in software testing as well as in product development.

The growing use of software development ground on commercial-off-the shelf components and component based software development has also changed human’s appreciation of component testing. Thus, components are much more significant. This increases the need to assure and show the individual components quality.

Independent testing and certification of software components is a key factor to the possible chooses, use, and adoption of certain software components.

Consequently, independent verification and validation by third-party participants are usually conducted in such cases.

If we are talking about the testing techniques used the situation is equal to system testing, where black-box and usage-based techniques prevail, but at a smaller scale.

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Nataliia Vasylyna
Nataliia Vasylyna

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  • Vlad

    Component testing can’t be black-box. You’ll have to test it not against the functional requirements (or business requirements) but against technical requirements.

    Due to in most cases technical requirements are not properly documented – source code or developers help would be required to properly test the component.

    In my comment I’m not talking about hard ware testing or high risk systems testing (e.g. aero and space etc.).