Jonas Nicklas is a Ruby developer from rainy Gothenburg, Sweden. He is the primary author of a number of open source libraries, including Capybara, CarrierWave and Evergreen. During the day he works for Elabs where he's written many applications, most of which are tested way too much. He's kind of obsessed about testing.

Practical testing for assorted languages
You're building web applications and now you're writing tests as well. But do your tests really cover all parts of your application? What about that pile of JavaScript spaghetti that keeps on growing? In this session you will learn practical techniques to test a larger part of your Ruby code, as well as how to write testable JavaScript, and cover it with solid, flexible and useful unit tests. A solid, comprehensive test suite allows you to take charge of your codebase and refactor with confidence.

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