dAppeteer

E2E testing for dApps using Puppeteer + MetaMask

Installation

$ npm install -s @chainsafe/dappeteer
$ yarn add @chainsafe/dappeteer

Usage

import puppeteer from 'puppeteer';
import dappeteer from '@chainsafe/dappeteer';

async function main() {
  const browser = await dappeteer.launch(puppeteer, { metamaskVersion: 'v10.8.1' });
  const metamask = await dappeteer.setupMetamask(browser);

  // you can change the network if you want
  await metamask.switchNetwork('ropsten');

  // you can import a token
  await metamask.addToken('0x4f96fe3b7a6cf9725f59d353f723c1bdb64ca6aa');

  // go to a dapp and do something that prompts MetaMask to confirm a transaction
  const page = await browser.newPage();
  await page.goto('http://my-dapp.com');
  const payButton = await page.$('#pay-with-eth');
  await payButton.click();

  // 🏌
  await metamask.confirmTransaction();
}

main();

• All methods can be found on API page
• Instructions to setup dAppeteer with Jest
• Mocha example can be found inside test folder