JUnit in Action, Second Edition

Chapter 7. Testing with mock objects

Programming today is a race between software engineers striving to build bigger and better idiot-proof programs, and the Universe trying to produce bigger and better idiots. So far, the Universe is winning.

Rich Cook

This chapter covers

• Introducing and demonstrating mock objects
• Performing different refactorings
• Practicing on the HTTP connection sample application
• Introducing the EasyMock and the JMock libraries

Unit testing each method in isolation from the other methods or the environment is certainly a nice goal. How do you perform this feat? You saw in chapter 6 how the stubbing technique lets you unit test portions of code by isolating them from the environment (for example, by stubbing a web ...