Software Reuse Quick Tip #31

Tip #31 – Inject Common Reusable Capabilities via JUnit Rules

JUnit has an extremely useful extension mechanism – Rules. The @Rule annotation can help provide additional capabilities to your test methods. For example, ContiPerf provides annotations for performance testing.  Similarly, you can provide reusable framework hooks for developers to use alongside their test methods.

Some examples where this can be applied – capturing test execution metrics and publishing to a API for offline trending/analysis or setting up plumbing components to facilitate in-memory db testing via H2db, or data folders, etc. 

Implementing a JUnit rule is quite straight forward – here’s an article from David Gassner that provides a sample rule implementation.

About these ads

One Response to Software Reuse Quick Tip #31

  1. […] JUnit Rule extensions for having a common API for developers – provide a custom rule that will manage the lifecycle […]

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out / Change )

Twitter picture

You are commenting using your Twitter account. Log Out / Change )

Facebook photo

You are commenting using your Facebook account. Log Out / Change )

Google+ photo

You are commenting using your Google+ account. Log Out / Change )

Connecting to %s

Follow

Get every new post delivered to your Inbox.

%d bloggers like this: