WCAG Contrast Checker library

View available keywords.

Include keywords with:

Resource  Accessibility/contrastchecker.robot

Example of use:

*** Settings ***

Resource  Accessibility/contrastchecker.robot

Suite setup  Run keywords
...  Open accessibility test browser  Maximize Browser Window
Suite teardown  Close all browsers

*** Test Cases ***

Test pages
    [Template]  Check color contrast
    http://www.plone.org/  contrast=6

*** Keywords ***

Check color contrast
    [Arguments]  ${url}  ${contrast}=0
    Should not exceed maximum color contrast issues  ${url}  ${contrast}

Should not exceed maximum color contrast issues
    [Arguments]  ${url}  ${max}
    ${errors} =  Count color contrast issues  ${url}
    Should be true  ${errors} <= ${max}
    ...  WCAG Contrast checker reported ${errors} issue for ${url}

Note

Currently all keywords are written as user keywords, but later they may be refactored into Python-keywords. If this happens, there will be backwards compatible wrappers available at contrastchecker.robot.