Class: Images

Inherits:
HTML::Proofer::Checks::Check show all
Defined in:
lib/html/proofer/checks/images.rb

Instance Attribute Summary

Attributes inherited from HTML::Proofer::Checks::Check

#additional_href_ignores, #hydra, #issues, #options, #path, #src

Instance Method Summary collapse

Methods inherited from HTML::Proofer::Checks::Check

#add_issue, #initialize, #output_filenames, #request_url, subclasses, #validate_url

Constructor Details

This class inherits a constructor from HTML::Proofer::Checks::Check

Instance Method Details

#run ⇒ Object 



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# File 'lib/html/proofer/checks/images.rb', line 26

def run
  @html.css('img').each do |img|

    img = Image.new img, self

    # screenshot filenames, return because invalid URL
    return self.add_issue "image has a terrible filename (#{img.src})" if img.terrible_filename?

    # does the image exist?
    if img.missing_src?
      self.add_issue "image has no src attribute"
    elsif img.remote?
      validate_url img.src, "external image #{img.src} does not exist"
    else
      self.add_issue("internal image #{img.src} does not exist") unless img.exists?
    end

    # check alt tag
    self.add_issue "image #{img.src} does not have an alt attribute" unless img.valid_alt_tag?
  end
end