8 best Java Mock libraries in 2024

Java Mock Open Source libraries have become an indispensable tool for developers to ensure their code is error-free. However, with so many Java Mock Open Source libraries out there, it can be difficult to discern which Java Mock Open Source libraries are the best, or if there are any that suit your project. It is always a good programming practice to write unit tests for each class we develop as part of our project. This helps us in identifying the bugs and also increases the stability of our code. Most of the time, while writing unit test cases, we need to mock external dependencies (like database connections or API calls) that we don’t want to test at that moment. We can do this with Java Mock Libraries. In this kit, we will discuss the top 8 Java Mock Open Source libraries that you can use in your testing project. mockito - popular Mocking framework for unit tests written; wiremock - A tool for mocking HTTP services; powermock - Mock |Java framework.