JUnit in Action, Second Edition

Chapter 6. Coarse-grained testing with stubs

And yet it moves.

Galileo

This chapter covers

• Introducing stubs
• Using an embedded server in place of a real web server
• Unit testing an HTTP connection with stubs

As you develop your applications, you’ll find that the code you want to test depends on other classes, which themselves depend on other classes, which then depend on the environment. For example, you might be developing an application that uses JDBC to access a database, a Java EE application (one that relies on a Java EE container for security, persistence, and other services), an application that accesses a file system, or an application that connects to some resource using HTTP, SOAP, or another protocol.

In the previous chapters, ...