Unit testing was part of my computer science class - so about 30 min theoretical information about what it is and about 30 min practical training (in Java).
Starting with node (I never used Java outside the university) I just had a look at jest.
With my first comment I wanted to say that TDD (in my opinion) is not a craftsmanship you've to learn extensively. Going with the 2h udemy course would be way more than I've ever done.
TDD is like going to the gym. Constantly usage is more important than doing it sometimes with high devotion 😊
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