Hiccupps

There was a time when testing was all about the mnemonics . Well, we had no AI back then so thinking about our human craft and how to share what we had learned using our human intelligence with other engaged humans for later recall in their human heads seemed important. But this post isn't about dumping on AI. It isn't about mnemonics either even if WTTWTH does look like something that'd fit well into that ancient world.  No, this post is just a snappier version of what I said to my team this week when I was walking through some testing I'd done the day before. It was concerned with a change to a particular turn in the dialog system we're building where multiple variables are in play, some populated by an external call to an LLM service.  I wanted to make the point that the bulk of the testing work was done in the research I did and the spreadsheet I made, not in the interaction with our product. That spreadsheet was the result of me looking in our service's cod...

The Wikipedia page on infinite loops in programming describes them as "a sequence of instructions that, as written, will continue endlessly, unless an external intervention occurs." One common example might be a while loop whose exit condition is never met, and needs to be aborted by a human pressing Control-C . With that concept in mind, we can make an easy analogy to software development where the same kinds of events happen over and over and over until our product becomes irrelevant, or uneconomic, or our organisation closes down, and the loop is exited.  Inside the loop, the world in which our product exists will change, the market in that world will change, the requirements on our product in the market will change, the product itself changes as our teams add features, or fix bugs, or update libraries, or run on new platforms, and so on.  So, for their lifetimes, our products inhabit an infinite loop of change and, if the...