You might call this title “clickbait”. Yes and no. Of course, I want you to read this article, but at the same time, there is no bait and switch here. I use test doubles (“mock objects”, since that term refuses to die) freely and happily. I use them prominently as design tools. I like them. I feel grateful to them. And even so, my design sometimes improves when I remove them. To paraphrase Ron Jeffries, this is good news about the improved design and not bad news about test doubles. H...
