In one of my unit testing courses we had a disucssion I’ve been part of what feels like a million times. The question the team asked was: “How do you convince the client to pay for unit testing?” Because it adds like 20% more to the project’s budget, right? While we Read more…
As we’ve seen already, we don’t have to write every unit test possible, since not every unit test is going to help us in the future, and may even cause us some problems. Here’s an actual example I encountered. I’ll go through the analysis. There’s some code that does some Read more…
You think I was finished? I haven’t even started. The first group of associated costs to testing were around the fact that unit tests are, in fact, code and as such are susceptible to all kinds of flaws that come with them being code. But that’s not all folks! There Read more…
We talked about what we perceive as the cost of unit tests: slowing us down. That does not mean that unit tests are free. There are actual costs associated with unit tests, although they may not be what you think. I want to start with the cost of writing unit tests. Read more…
Although ROI is dead it is still useful to talk about value and cost of witing tests. When we write automated tests, regardless of it being unit, integration, end-2-end, load test, or whatever kind, the cost we have in mind is the cost the actual “writing tests”. You know, typing. Read more…
I was apparently mistaken when I said I’d publish small stuff over time. We’ll see how it goes. I’ve got a full chapter (so far) of Everyday Unit Testing: • Unit Testing Economics. – History – How did we get to where we are – Selling unit testing – the Read more…