MockObjects

• http://www.mockobjects.com/

Open source projects

• http://www.jmock.org/
• http://mockrunner.sourceforge.net/
• http://mockcreator.sf.net/
• http://www.easymock.org/
• http://www.mockejb.org/
• mock Portlet classes

Articles

• Getting started with EasyMock 2
• Using mock objects for complex unit tests

Discussion about MockObjects