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Node.js & JavaScript Testing Best Practices

Last updated 1 year ago by Yoni Goldberg


Short Intro

As an independent Node.js consultant I’m engaged and review 10+ projects every year and my customers justifiably ask to focus on testing. A few months ago, I started to document here the insights and repeating errors I observe at the field and suddenly it piled-up into 30 testing best practices.

The ideas below span topics like choosing the right test types, coding them correctly, measuring their effectiveness and hosting them in a CI/CD pipeline in the right way. Some examples are illustrated using Jest, others with Mocha — this post is less about tooling and more about the right approach and techniques.

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