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Checkers

Wasc contains already defined checkers in chekers.py.

All checkers return "échec" on failure.

Available checkers are listed below with their definition.

AccessChecker

  • Rule: "Accessibilité : XX conforme" exists in the page with XX in ["non", "partiellement", "totalement"]
  • Rule: Search in <footer>, then <div id="footer>, then the whole page
  • Return: XX conforme

AccessLinkChecker

  • Rule: if AccessChecker is valid and it's a link returns it
  • Rule: if the previous rule fails, check each link in the page looking accessibilit in the text inside <a>
  • Rule: if the previous rule fails, check each link in the page looking accessibilit in the href attribute
  • Return: the link url

AccessRateChecker

  • Rule: if AccessLinkChecker is valid, get the page from the link.
  • Rule: the accessibility rate is in a tag containing "conformité" and a floating number directly followed by '%'
  • Return: the accessibility rate

ContactLinkChecker

  • Rule: Finds contact or ecrire in a link <a> tag
  • Return: the link url

DoctypeChecker

  • Rule: the HTML document contains <!DOCTYPE html>
  • Rule: <!DOCTYPE html> is before <html>
  • Return: html

FooterChecker

  • Rule: the HTML document contains <footer>
  • Return: présent if the tag is found, else échec

HeaderChecker

  • Rule: the HTML document contains <header>
  • Return: présent if the tag is found, else échec

HeadLvlChecker

  • Rule: For each <head> tags in the page, calculate its depth
  • Return: the list of depth of <head> tags

HeaderNbChecker

  • Rule: the HTML document contains <head>
  • Return: the number of <head> tags present on the page

LangChecker

  • Rule: <html> has an attribute lang
  • Return: the value of lang

LegalChecker

  • Rule: "Mentions légales" exists somewhere in the page
  • Rule: "Mentions légales" is a link <a> with attribute href
  • Return: the value of href