Last week, I’ve re-read “Test Driven Development: By Example” by Kent Beck. I was amazed by the simplicity of his process, consisting of small pragmatic steps. So, I decided to put the process to the test in an unfamiliar domain. The kata In this kata, I am going to develop a serverless service in AWS using a Lambda and the API Gateway. I chose this task because, on the one hand, it will contain a fair amount of infrastructure code, which is considered hard to test.