JUnit, a simple testing framework created by Kent Beck and Erich Gamma during a long airplane trip a few years ago, ushered in a new era of developer testing. A cottage industry grew up around "*Unit" ...

TestNG, written by Cedric Beust and Alexandru Popescu, is a light framework based on Java annotations (for J2SE 5.0) that allows you to design complex unit testing for J2SE 5.0 and J2SE 1.4. Why ...

In a recent article, I covered the creation of JUnit tests to perform unit testing on Java classes. Although testing individual classes is helpful, unit tests work best when they're written to cover ...

Why, of course, by virtually starting up the Java class and pushing the buttons, so to speak. You test a Java class by calling methods on it from another Java class. The following Java source file is ...

Unit tests require a granularity that is hard to achieve when testing components inside of a server-side container — which is exactly why some test-driven ...