W3C Webdriver conquering automation of Shadow DOM

query-selector-shadow-dom

querySelector that can pierce Shadow DOM roots without knowing the path through nested shadow roots. Useful for automated testing of Web Components. Production use is not advised, this is for test environments/tools such as Web Driver, Playwright, Puppeteer

shadow-automation-selenium

This project focuses on automation of multi-level shadow root dom using java selenium. You can embed this plugin in your java selenium project.

cypress-lit

Test your Lit elements and native web components in cypress with all the modern browsers

capybara-shadowdom

Shadow DOM support for Capybara