Files
rust/tests/rustdoc-gui
Michael Howell 2c4922cf29 rustdoc: use better, consistent SVG icons for scraped examples
This continues two ongoing projects:

- Replacing ascii art with real icons that don't look like
  syntax, are understandable to people who're familiar with
  desktop computers and smart devices, and aren't ugly.
- Using labels and tooltips to clarify these icons, when the
  limits of popular iconography hit us. In this case, I've added
  tooltips, because, unfortunately, there's not room for
  always-visible labels.
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The tests present here are used to test the generated HTML from rustdoc. The goal is to prevent unsound/unexpected GUI changes.

This is using the browser-ui-test framework to do so. It works as follows:

It wraps puppeteer to send commands to a web browser in order to navigate and test what's being currently displayed in the web page.

You can find more information and its documentation in its repository.

If you need to have more information on the tests run, you can use --test-args:

$ ./x.py test tests/rustdoc-gui --stage 1 --test-args --debug

If you don't want to run in headless mode (helpful to debug sometimes), you can use --no-headless:

$ ./x.py test tests/rustdoc-gui --stage 1 --test-args --no-headless

To see the supported options, use --help.