// __tests__/sum-test.jsjest.dontMock('../sum');

describe('sum', function() { it('adds 1 + 2 to equal 3', function() {

var sum = require('../sum'); expect(sum(1, 2)).toBe(3);

}); });

require

require

require

[jest.dontMock(“myModule”)]

jest.autoMockOn()

jest.autoMockOff()

jest.mock()jest.dontMock()

__mocks__

expect(value).toBe(other)

beforeEachafterEach

describe()

it()

expect assert

new

mock

toBeCalled toBeCalledWith

Github – danielstern | @danieljackstern

Daniel Stern

Building a Test-Ready React Application with ES6 and Express

Application Overview

App

isomorphismlocalization express

Non-trivial isomorphic shopping cart

application with currency localization

This slide is

with

animations

Babel processes ES6 and JSX via Gulp

Express responds to HTTP requests from the

browser by serving our application

React runs on the front and back end,

facilitating everything the user sees and

interacts with and minimizing performance

issues

Application shares numerous technologies with app from Build a

Full Stack with React and Express Pluralsight, Daniel Stern

If you have course files, you can skip this chapter by checking

out the appropriate Git Branch

Before We Begin

Demo

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with

animations

Constructing the App

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with

animations

Fully functional cart application

total and currency localization with React

Real-world dependency scenarios

Learn more. Check out “Build a Full Stack with

React and Express”

Summary