You people maybe confuse Puppeteer is a browser automation. There is no API to thing. How can we use it as an acceptance test tool?. assert We can integrate it with any javascript testing tool. So they will have abilities to do browser automation and testing. In this article, we will use jest as a Testing Tool.First, we will install and Puppeteer Jest yarn inityarn add puppeteer jest Add this code to package.json "scripts": {"test": "jest"} Then we will use Puppeteer to open website and check the title is it equal . Then, check the text on the center of screen is it equal Pronto Tools Pronto Tools Tools for Your Growing Business It’s time to code. Let create file name and put the code below to this file test.js const puppeteer = require('puppeteer'); describe('Open ProntoTools Website', () => {var browser, page;var url = ' https://prontotools.io' beforeEach (async () => {browser = await puppeteer.launch({ headless: false });page = await browser.newPage();}) afterEach (() => {browser.close()}) test('Title == Pronto Tools', async () => {await page.goto(url);const title = await page.title();expect(title).toBe("Pronto Tools");}); test("Center == Tools for Your Growing Business", async () => {await page.goto(url);const center = await page.$eval('h2.font-34.uppercase > strong', e => e.innerHTML);expect(center).toBe("Tools for Your Growing Business");});}) In the first case, we check title by open the website and check title tag is it equal Pronto Tools The second case, we will open the website and check innerHTML of selector that we interested In each test case, we will open browser before run test case and close browser after finish test case following and beforeEach afterEach Finally, we can use command to run our test suite and get the result yarn test And this is the easy way to use and to make a Browser Automation Test Puppeteer Jest
