Web Tests for Accessibility

General Info on web tests: Building and Running the Tests

See Web Tests for general info on how to build and run web tests.

Old vs. New

There are two styles of accessibility web tests:

• Using a -expected.txt (now deprecated)
• Unit-style tests with assertions

Use the unit-style tests. An example is aria-modal.html.

Methodology and Bindings

These tests check the accessibility tree directly in Blink using AccessibilityController, which is just a test helper.

The code that implements the bindings is here:

• content/web_test/renderer/accessibility_controller.cc
• content/web_test/renderer/web_ax_object_proxy.cc

You'll probably find bindings for the features you want to test already. If not, it's not hard to add new ones.