This post was originally published at Test-driven React.js Development: React.js Unit Testing with Enzyme and Jest

Any piece of code that has no tests is said to be legacy code according to Michael Feathers. Therefore, one of the best ways to avoid creating legacy code is using test-driven development (TDD).

While there are many tools available to create unit tests in JavaScript and, in this post, we will use Jest and Enzyme to create a React.js component with basic functionality using TDD.

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This post was originally published at Test-driven React.js Development: React.js Unit Testing with Enzyme and Jest