jest_testing.md

Example Repo (ReactJS, Jest, Enyzme and Snapshot Testing)

• https://github.com/claritee/enzyme-tests

Tutorials

• https://scotch.io/tutorials/testing-react-components-with-enzyme-and-jest
• https://www.sitepoint.com/test-react-components-jest/
• https://egghead.io/lessons/javascript-test-javascript-with-jest
• https://egghead.io/courses/test-react-components-with-enzyme-and-jest
• https://egghead.io/courses/react-testing-cookbook

Enzyme with Mocha

• https://airbnb.io/enzyme/docs/guides/mocha.html

Jest

• https://jestjs.io/docs/en/getting-started.html
• https://jestjs.io/docs/en/using-matchers
• https://jestjs.io/docs/en/timer-mocks
• https://jestjs.io/docs/en/manual-mocks
• https://jestjs.io/docs/en/tutorial-react

Snapshot Testing with Jest

• Snapshot testing: https://jestjs.io/docs/en/snapshot-testing
• When to use snapshot testing - http://benmccormick.org/2016/09/19/testing-with-jest-snapshots-first-impressions/
• video - https://egghead.io/lessons/javascript-use-jest-s-snapshot-testing-feature?pl=testing-javascript-with-jest-a36c4074
• Example:
  • https://github.com/facebook/jest/blob/master/examples/snapshot/__tests__/link.react.test.js
  • https://github.com/facebook/jest/blob/master/examples/snapshot/Link.react.js