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data-testid-inspector

What is this?

A snippet of code you can save as a bookmark that will show what elements in the page have a data-testid attribute.

demo

How do I use it?

  1. Copy the code from index.js to your clipboard
  2. Open a browser that has support for bookmarklets (eg: Chrome)
  3. Create a new bookmark and paste the code into the field you would normally enter a URL
  4. Open any webpage and click the bookmark

Any elements in the page with a data-testid attribute will be highlighted and their ID displayed alongside.

Why would I want this?

Automation testers that write end-to-end tests can often benefit from targeting/interacting with elements in the page via data-testid’s that remain constant instead of relying on the underlying element type or classes etc that are susceptible to change. Doing so ensure the tests they write are less brittle. This tool will help them quickly visualise what is available in any given page and allow them to write tests faster. Developers can also benefit from this visualisation when writing units tests that interact with components they aren't familiar with {…:heart:}

Can I use a different test ID attribute?

Yes. If you use a different attribute name for your test id's you can substitute it here before saving the bookmark

Did this tool help you?

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