Use Testing Coverage in Jest to Analyze Your Testing Suites

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You've probably heard the term "testing coverage" before but have no idea how to actually calculate it. In this video, I show you how to get testing coverage in Jest and leverage your numbers to improve your tests!
  1. Adam Thometz
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a bigger text size of the code screen would be better good video anyways

shivankkunwar
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I disagree completely around aiming for 100% coverage, you mentioned the "goal of your test and other developers is to understand the code", no.... it's to ensure the application functions as expected, aiming for close to 100% coverage (i aim for 95%) ensures that a small change in one part of the application most likely won't break another part of the application because you've not written enough tests...

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