Test Tools and Environments
Testing tools, frameworks, and environments are designed to make testing code simpler and quicker. There are many testing frameworks available for JavaScript and the most popular will be mentioned briefly. We then dive deeper into one of the frameworks and demonstrate how to use the framework to write good tests.
Testing Frameworks
You will need to select a testing framework based on the types of tests you wish to conduct. JavaScript is generally tested in one of three ways: general test, code coverage tests, and user interface tests. When selecting a framework, you must decide what you are testing and how you wish to go about it.
General tests will include your unit tests, functional tests, and integration tests. It is a sort of catch-all for your tests. The most popular frameworks for tests are Mocha, Jasmine, and Jest. Jest is used by Facebook and is one of the simpler frameworks to set up. Mocha is the most popular testing framework available for JavaScript and...