Unit testing example with aXe and Jasmine
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Using aXe in Jasmine Unit Tests

This example demonstrates how to use aXe with the Jasmine unit testing framework.

The unit test is in spec/a11y.js, and has two test cases: One that shows the expected results from HTML with no errors, and one that shows the expected result from HTML with a single error.

To configure the example

  • Node must be installed; please follow the directions at http://www.nodejs.org to install it.
  • npm install -g grunt-cli to install the Grunt task runner (may need to be run with sudo on Unix or as Administrator on Windows)
  • npm install to install dependencies

To run the example

  • grunt jasmine to run Jasmine

You should see output indicating that the tests ran successfully, with zero failures. Optionally, you can console.log the aXe results set to see what failed.

To modify the example

To run the example on your own HTML, such as widgets or controls, insert the HTML into the document, retrieve the root element of your widget (with e.g., document.getElementById()), and pass that as the first argument into a call to axe.run.

The third argument to the axe.run call should be the function to test the results. The example is simply looking at the count of violations, but much more detailed information is available if desired. The aXe documentation should be consulted for more details on customizing and analyzing calls to axe.run.