Behat for characterization tests

Once an API ships it doesn’t matter how it should behave – how it actually behaves is the important part. Users depend on the existing behaviour and we need a way to ensure that it doesn’t change Behat is a tool that was built to help design software, but it’s actually a great tool for capturing existing behaviour too. We’ve used these tools to gain confidence to refactor 5+ year old apps by capturing the existing behaviour before making changes. I want to share the secrets we learned with you.

Michael is a polyglot software engineer, committed to reducing complexity in systems and making them more predictable. Working with a variety of languages and tools, he shares his technical expertise to audiences all around the world at user groups and conferences. You can follow @mheap on Twitter