Explore the intricacies of mocking in software testing through this insightful 46-minute conference talk by Mattia Assogna. Delve into the inner workings of popular mocking libraries like Jest, and learn how to create your own mock testing library from scratch. Discover why mocking is not as challenging as it may seem, and gain a deeper understanding of the "magic" behind these essential tools. Benefit from Mattia's expertise in React, RxJS, and Mobx, as well as his passion for cyber security and shell scripting. Perfect for developers looking to enhance their testing skills and comprehend the underlying mechanisms of mocking libraries.