Chris Cook
Co-Founder at Flyweight GmbH
Expertise: AWS, software development, AI, databases, JavaScript and Jest
Education: Hochschule Mainz — University of Applied Sciences
Chris Cook is the co-founder Flyweight GmbH with a background in software development. He has worked in tech since 2012 and has previously worked as senior software engineer at BASF and was also the co-founder of Monte Stivo. Cook holds a master’s in IT management and a bachelor’s and computer science and economics from Hochschule Mainz — University of Applied Sciences.
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There are two ways to check for log errors with the JavaScript testing framework Jest: jest.fn() or jest.spyOn(). Here’s how to do it, with code.