Hadoop MapReduce jobs have a unique code architecture that raises interesting issues for test-driven development. In this article Michael Spicuzza provides a real-world example using MRUnit, Mockito, and PowerMock to solve these problems.
Bertrand Paquet and Gael Lazzari of Octo Technology explore Unit Testing GWT applications and introduce their own open source gwt-test-utils framework to support unit and integration testing of GWT code with standard tools such as JUnit and Easymock.
Interview and Book Excerpt: Hani Suleiman & Cedric Beust, "Next Generation Java Testing: TestNG and Advanced Concepts"
InfoQ.com recently interviewed Next Generation Java Testing: TestNG and Advanced Concepts authors Hani Suleiman and Cédric Beust. InfoQ is also pleased to offer a chapter excerpt, "Mocks and Stubs". 4
Iterative and continuous are terms that are often used in reference to testing of software. This new InfoQ article takes a look at whether the same concepts can be applied to performance tuning. 16
Srini & Kavitha Penchikala give an overview of the support provided by Spring framework in the areas of unit and integration testing, with a sample application. 16
Continuous Integration has become a standard development best practice - but it's not always done well. InfoQ presents advice and examples in Chapter 6: Continuous Testing from a new CI book. 4
Today, almost every modern application consumes or produces XML. Stefan Bodewig explains the challenges in testing XML-based applications, and shows how to use the XMLUnit Java Framework to do so. 8