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Python library to integrate axe and selenium for web accessibility testing.

Project description

axe-selenium-python integrates aXe and selenium to enable automated web accessibility testing.

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You will need the following prerequisites in order to use axe-selenium-python:


  • tox


To install axe-selenium-python:

$ pip install axe-selenium-python

To install pytest-axe:

$ pip install pytest-axe


import pytest

 def test_header_accessibility(axe):
     violations ='header', None, 'critical')
     assert len(violations) == 0,

The above example runs aXe against only the content within the <header> tag, and filters for violations labeled critical.

The method accepts three parameters: context, options, and impact.

For more information on context and options, view the aXe documentation here.

The third parameter, impact, allows you to filter violations by their impact level. The options are critical, severe, moderate, and minor, with the default value set to None.

This will filter violations for the impact level specified, and all violations with a higher impact level.

To run the above test you will need to specify the browser instance to be invoked, and the base_url.

$ pytest --base-url --driver Firefox



version 1.0.0

  • Updated usage examples in README
  • Added docstrings to methods lacking documentation
  • Removed unused files

version 0.0.3

  • Added run method to Axe class to simplify the usage in existing test suites
  • run method includes the ability to set what impact level to test for: ‘minor’, ‘moderate’, ‘severe’, ‘critical’

version 0.0.276

  • Added pytest-axe usage example to README

version 0.0.275

  • Added usage example to README

version 0.0.273

  • Added selenium instance as a class attribute
  • Changed file paths to OS independent structure
  • Fixed file read operations to use with keyword

version 0.0.21

  • Fixed include of aXe API file and references to it
  • Updated README

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