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In November 2010, I was getting frustrated with the dependency JSchnizzle has on the free yUML rendering service. It appears that the yUML service is having increasing performance problems as time goes on. Additionally, there were a number of outages towards the end of the year that came when I really needed the service to be available. I wondered, "How difficult would it be to do the renderings locally?"

I came across Adam Goucher's blog entry and his discussion of using Jython to execute JUnit tests. I have been experimenting with doing the opposite: Running Jython scripts from JUnit tests. It was a fun exercise, and it was enlightening to see that I could rewrite a 222 line JUnit test as an 87 line Jython script.

Here's what I did: