stipsan

import renderer from 'react-test-renderer'
import App from '../App'

// Generated snapshot is exactly like the previous example
// while it's possible to override the default mock
// by using the same jest.mock command as before
// if this test need a different behavior than the
// glboal mock.

it('should render correctly', () => {

stipsan

{
  "jest": {
    "setupFiles": [
      "<rootDir>/test-setup.js"
    ]
  }
}

stipsan

{
  "jest": {
    "setupFiles": [
      "<rootDir>/test-setup.js"
    ]
  }
}

stipsan

import renderer from 'react-test-renderer'
import Input from '../Input'

it('should render correctly', () => {
  const component = renderer.create(<Input />)
  expect(component.toJSON()).toMatchSnapshot()

  // getInstance is returning the `this` object you have in your component
  // meaning anything accessible on `this` inside your component
  // can be accessed on getInstance, including props!

stipsan

import renderer from 'react-test-renderer'
import NotificationsContainer from '../NotificationsContainer'

// we can just pass through the component since we pass dispatch prop directly
jest.mock('react-redux', () => component => component)

it('should render correctly', () => {
  const dispatch = jest.fn()
  const component = renderer.create(
    <NotificationsContainer dispatch={dispatch} />

stipsan

import renderer from 'react-test-renderer'
import Form, { validate } from '../Form'

jest.mock('redux-form', () => ({
  Field: 'Field',
  reduxForm: options => {
    // Wrap the component and return the new component, just like the real hoc does
    return Form => props => {
      // call the validate error to make sure errors are detected
      options.validate({}, props)

stipsan

import renderer from 'react-test-renderer'
import Canvas from '../Canvas'

it('should render correctly', () => {
  const component = renderer.create(<Form x={0} y={0} />)
  expect(component.toJSON()).toMatchSnapshot()

  const instance = component.getInstance()
  const spy = jest.spyOn(instance, 'calculateGrid')

stipsan

import renderer from 'react-test-renderer'
import Viewport from '../Viewport'

it('should render correctly', () => {
  const target = {
    innerHeight: 600,
    innerWidth: 800,
    addEventListener: jest.fn(),
    removeEventListener: jest.fn()
  }

stipsan

import renderer from 'react-test-renderer'
import Field from '../Field'

// this import is created by our mock, it is inteded to help with testing and
// don't exist in the real package
import { intl } from 'react-intl'

it('should render correctly', () => {
  const component = renderer.create(<Field intl={intl} />)
  expect(component.toJSON()).toMatchSnapshot()

seeebiii

public class Constants {

    /**
     * Contains the path to your Lambda function code.
     */
    public static final String LAMBDA_TASK_ROOT = System.getenv("LAMBDA_TASK_ROOT");

    /**
     * The environment variable is set to one of the following options, depending on the runtime of the Lambda function:
     * AWS_Lambda_nodejs, AWS_Lambda_nodejs4.3, AWS_Lambda_nodejs6.10