The chapter explores the Colo tool for visualizing and understanding code flows, discussing its evolution, installation process, and detailed data visualization capabilities like function calls and SQL queries. It delves into the challenges of writing tests as projects grow, emphasizing the importance of tests for software stability and the benefits of automation using trace data. The speakers also share insights on using Kolo tracing for automatic test generation and the significance of integration tests over unit tests for system reliability.
Do you want to look inside your Django request? How about all of your requests in development and see where they overlap? If that sounds useful, you should check out Kolo. It's a pretty incredible extension for your editor (VS Code at the moment, more editors to come most likely). We have Wilhelm Klopp on to tell us all about it.
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