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Explore strategies for effectively testing legacy code in this 34-minute RailsConf 2022 talk. Discover why legacy code is challenging to maintain and learn how to implement a robust testing strategy to transform it into resilient, easily evolvable code. Gain insights into distinguishing between high-value and low-value tests, and master techniques for crafting tests that minimize the cost of change. Suitable for developers of all experience levels, with a focus on Rails and automated testing frameworks. Delve into topics such as the cost of new code, testing legacy tests, writing high-value tests, and reducing test coupling to improve your approach to legacy code maintenance.
