I don’t get tired of hearing that question, because if I did, I’d need to sleep for a couple of years. It usually comes up with unit tests, as developers prepare to test their day-old or year-old code. That question has a couple of hidden assumptions that are easily crushed, Read more…
I was honored to come back to JCON, and present “How to TDD in Legacy Code”. In Java of course. Ok, it was in English, the examples were in Java. TDD (Test driven development) is not just new code, you know. Anyway, watch it here. And if you’re itching for Read more…
Well that’s a new thing! Sort of new. Well, the session is not new. Everybody now does TDD in legacy code. But in Python? Gil, are you saying that you can do these things in Python? Shocked, I tell you. Well, not really, TDD principles are universal, They can be Read more…
The current code version we’re talking about is tag 1.1. Last time, we have surrounded our code with a boundary, doing some early refactoring. We now know the entry points, and the exits are covered by interfaces, leaving code we don’t want to deal with outside our system. We can Read more…
Last time I gave you a sneak peak at our PastaMaker. You can check the whole project here. Let’s take a closer look. The main logic is in our PastaMaker, so focusing on testing it makes sense. Most of the logic is there, and so are the changes we need Read more…
As long time readers, you know that if we’ve got legacy code, we want tests for that. However, the code doesn’t always play along. As you’ll see in this example, this is the kind of code that really needs tests. It’s full of logic. It’s alive and working, and it’s Read more…
This conversation comes up in every training I do about testing. I know exactly when it will happen. I know what I’m going to say, what they will say, and I know no one comes out completely convinced. Then violence ensues. We want to test some code. However, this code had Read more…
When we talked about understanding what we’re actually testing in error handling, we talked about the ability to understand the behavior of our code-under-test . Just to recall, here are the three types of error implementation, and what we can check: No error handling – Any exception is handled somewhere Read more…
Other awesome posts in the series: So we talked about static constructors and how to go around them. How about instance constructors? Are they innocent or guilty of the same crimes as their static brothers? I think Java got the terminology right (although not the implementation). What we call a Read more…
