Stop Using Mocks In Unit Tests
Preface: most of the information in this video are lessons I learned from Unit Testing Principles, Practices, and Patterns by Vladimir Khorikov.
I'm a big advocate of avoiding mocks in your unit tests, in particular your domain logic code. I always felt that using mocks made my code more fragile and doesn't bring issues to the surface until it happens on production. For the longest time, I still used mocks at work because that's what everyone else was doing.
After reading Unit Testing Principles, Practices, and Patterns a couple years back, it reassured me that I was not crazy.
I hope that you give this book a read. It has stuck with me whenever I write code.
Thank you for your time.
Timestamps:
00:00:00 - Intro
00:00:34 - What is a good unit test?
00:00:57 - False positives
00:02:13 - Deeply nested dependencies
00:02:49 - Code with api/database calls
00:03:26 - Code that glues everything together
00:04:29 - Final thoughts
Music:
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