Class: ImageCheck

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

Instance Attribute Summary

Attributes inherited from HTML::Proofer::CheckRunner

#alt_ignores, #empty_alt_ignore, #external_urls, #href_ignores, #hydra_opts, #issues, #options, #parallel_opts, #path, #src, #typhoeus_opts, #url_ignores, #validation_opts

Instance Method Summary collapse

Methods inherited from HTML::Proofer::CheckRunner

#add_issue, #add_path_for_url, #add_to_external_urls, checks, #extract_domain_path, #initialize, #new_url_query_values?

Constructor Details

This class inherits a constructor from HTML::Proofer::CheckRunner

Instance Method Details

#runObject


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

def run
  @html.css('img').each do |node|
    img = ImageCheckable.new(node, self)
    line = node.line

    next if img.ignore?

    # screenshot filenames should return because of terrible names
    next add_issue("image has a terrible filename (#{img.src})", line) if img.terrible_filename?

    # does the image exist?
    if img.missing_src?
      add_issue('image has no src or srcset attribute', line)
    else
      if img.remote?
        add_to_external_urls(img.src, line)
      else
        add_issue("internal image #{img.src} does not exist", line) unless img.exists?
      end
    end

    if img.alt.nil? || (img.empty_alt_tag? && !img.ignore_empty_alt?)
      add_issue("image #{img.src} does not have an alt attribute", line)
    end
  end

  external_urls
end