Pragmatic Unit Testing in Java with JUnit, 3rd Edition

Telling Your LLM to Clean Up Its Act

The LLM’s solution passed the tests, and it wasn’t bad, actually, but there were a few wrinkles to iron out. First, it didn’t include a package name, which forced me to copy only part of its solution rather than wholesale copy-and-replace the generated code, which is a lot faster. (I’m imagining a near future where integration with IDEs is a lot better, and, in fact, I’ve begun building such a plugin myself.)

Here’s my prompt to tell the LLM to add the package name, as well as smooth out the aforementioned wrinkles:

YOU:

The code should live in a Java package named util.

The Jeff-Java standard indicates that you should avoid the use of temporaries in methods, but normalizeName has three temps that should ...