Module tests, often referred to as unit tests or component tests, are used to check the individual components of computer programs. With these tests, you can examine whether individual parts are functioning correctly before they are properly integrated into the overall software concept. These tests are useful, as they enable you to quickly and easily check whether the components are working as the developer intended them to. Module tests are one of the most effective ways to detect as many errors as possible in the earlier stages of the program code.
In general, module tests play an important role in the quality assurance of software. This method is particularly used in agile software development, where the goal is to carry out a lot of component tests. This is also the reason they are performed automatically. Corresponding programs can execute a number of module tests at the push of a button. Usually, the test program that’s used is written in the same language as the test object itself.