Testing Through API's Sustainable Test-Driven Development

Download the Podcast We recently got a question from Tomas Vykruta, a colleague of ours, and we felt it turned out to be such a good, fruitful question that we wanted to pass it, and our answers, along in this blog. Here is Tomas' question: Do you prefer to have unit tests written against the public API, or to test individual functions inside the API? I've seen both approaches at my company,