Arquillian

Arquillian is an open-source testing framework designed for Java applications, particularly those built using Java EE (Enterprise Edition) technologies. It allows developers to test their applications in a real, running environment rather than just simulating it. This ensures that tests reflect actual behavior in production. Arquillian manages the underlying application server and deploys the code for testing automatically. By simplifying the integration and functional testing process, it allows developers to focus more on writing quality code while ensuring their applications perform reliably when deployed.