nightwatch/examples/tests/chromeCDP_example.js

Easy to use Node.js based end-to-end testing solution for web applications using the W3C WebDriver API.

describe('Chrome DevTools Example', function() {

  this.disabled = this.argv.env !== 'chrome';

  it ('using CDP DOM Snapshot', async function(browser) {
    await browser.navigateTo('https://nightwatchjs.org');

    const dom = await browser.chrome.sendAndGetDevToolsCommand('DOMSnapshot.captureSnapshot', {
      computedStyles: []
    });

    browser.assert.deepStrictEqual(Object.keys(dom), ['documents', 'strings']);
  });
});