Understanding Black Box Testing

Understanding Black Box Testing

Black box testing is a way of testing the functionality of a software application without having knowledge of the internal code structure, implementation details, and internal paths.

Meanwhile, the Black Box can also be a software system to be tested, it can be an operating system or database such as Oracle or even your own custom application.

With Black Box, you can test an application by focusing only on input and output without knowing the internal code implementation.

Quoting from Warta Ekonomi, Black box testing can be applied to three main types of testing, namely functional testing, non-functional testing, and regression testing.

1. Functional Testing

This test focuses on the most critical aspects of the software (smoke testing or sanity testing) on ​​the integration between the main components (integration testing), or on the system as a whole (system testing).

2. Non-Functional Testing
Meanwhile, contrary to the former, non-functional testing cannot check "if" the software can perform a certain action, but "how" to perform that action.

3. Regression Testing
This feature can also be used to check whether the latest version of the software has shown a regression, or degradation, from one version to the next.

Regression testing can be applied to functional aspects of the software (for example, certain features no longer work as expected in the latest versions), or non-functional aspects (for example, having very slow performance in the latest versions).

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