Yksikkötestaaminen
Yksikkötestaaminen, or unit testing in English, is a software testing method where individual units of source code, the smallest testable parts of an application, are isolated and tested to determine whether they are fit for use. A unit is typically a function, method, or a class. The goal of unit testing is to validate that each unit of the software performs as designed.
The benefits of unit testing are numerous. It helps to catch bugs early in the development cycle,
Common frameworks exist for various programming languages to support unit testing. For example, JUnit is popular