Headless Chrome Tutorial

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Browser Automated Testing with Headless Chrome Derek Binkley @DerekB_WI

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Derek Binkley @DerekB_WI JavaScript Experience?

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What is It?

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Derek Binkley @DerekB_WI Testing Tools • Text based • Page recorder • Selenium WebDriver • Browser Emulator

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Derek Binkley @DerekB_WI Headless Chrome • June 2017 • Full browser • Chrome Dev Tools • No GUI

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Is Anybody There?

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Derek Binkley @DerekB_WI Why? • Reliability • Dependability • Sleep better after an update

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What do we need? Node Chrome Puppeteer Mocha Chai

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Derek Binkley @DerekB_WI Install • npm init • npm i —save mocha chai • npm i --save puppeteer • Add test script to package.json

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Derek Binkley @DerekB_WI Setup Command package.json

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Derek Binkley @DerekB_WI Basics • Test Deﬁned as JavaScript • Full Access to DOM • Assertions using Chai • Run using Mocha

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Examples

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Derek Binkley @DerekB_WI Thanks • @DerekB_WI • https:/ /joind.in/talk/034f5

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Derek Binkley @DerekB_WI Resources • https:/ /developers.google.com/web/updates/2017/06/ headless-karma-mocha-chai • https:/ /medium.com/@ankit_m/ui-testing-with- puppeteer-and-mocha-part-1-getting-started- b141b2f9e21 • https:/ /github.com/GoogleChrome/puppeteer • https:/ /github.com/checkly/puppeteer-examples • https:/ /puppeteersandbox.com/