The Ultimate Guide to unit testing in JavaScript!

A Unit test should test the behavior of a unit of work.

Unit tests are isolated and independent of each other.

Unit tests are lightweight tests:

  • Repeatable

Ultimate Guidelines Which Helped Me a Lot.

  • Whenever possible, use TDD

Remember 👉 “Unit tests are code too”

Check out what Ben said in the below Image👇

Our unit test should be like this.

They should meet the same level of quality as the code being tested.

They can be refactored as well to make them more maintainable and/or readable.

Couple of awesome resources:

JS Unit Testing Good Practices and Horrible Mistakes

Unit Testing sucks (and it’s our fault)

Writing Great Unit Tests: Best and Worst Practices

Writing Testable JavaScript

Most Used Libraries:

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