Node.js Example

• Usage:

  • Run Example in Node.js REPL

    npm install
    node repl
    let person1 = new Person("luke", "schoen")
    person1
    person1.fullName()
    

• Original Setup

  • Mocha
    • Install Mocha

      npm install --save-dev mocha
      

    • Add to package.json

      "scripts": {
        "test-mocha": "./node_modules/.bin/mocha ./test/**/*.mocha.js",
        "test-mocha-watch": "mocha -R list -w ./test/**/*.mocha.js",
      },
      

    • Add Test file for person.js and include contents

      mkdir test && touch test/person.js
      

    • Run tests with either

      npm run test-mocha
      npm run test-mocha-watch
      

    • Reference: https://semaphoreci.com/community/tutorials/getting-started-with-node-js-and-mocha
  • Jest
    • Install Jest

      npm install --save-dev jest-cli
      touch test/person.test.js
      

    • Add to package.json. Note that console.log(window) results in error with node test environment set

      "scripts": {
        "test-jest": "jest",
        "test-jest-watch": "jest --watch"
      },
      "jest": {
        "testEnvironment": "node"
      },
      

    • Install Babel to avoid error Couldn't find preset "env" relative to directory (Reference: babel/babel-preset-env#186)

      npm install --save-dev babel-preset-env
      

    • Create .babelrc file

      touch .babelrc
      

    • Copy/paste the following in the .babelrc:

      {
        "presets": [
          [
            "env",  { "modules": false }
          ]
        ]
      }
      

    • Run tests with:

      npm run test-jest
      npm run test-jest-watch
      

    • Reference: https://facebook.github.io/jest/