Class: ChromeDiff::SiteChecker

Inherits:
Object
  • Object
show all
Defined in:
lib/chrome_diff/site_checker.rb

Instance Method Summary collapse

Constructor Details

#initialize(domains:, sizes:, paths:, options: {}) ⇒ SiteChecker

Returns a new instance of SiteChecker.



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# File 'lib/chrome_diff/site_checker.rb', line 5

def initialize(domains:, sizes:, paths:, options: {})
  @domains = domains
  @sizes = sizes
  @paths = paths
  @options = options
end

Instance Method Details

#run ⇒ Object 



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# File 'lib/chrome_diff/site_checker.rb', line 12

def run
  options = @options.dup
  @sizes.each do |size|
    shots_dir = File.join("shots", size.map(&:to_s).join("x"))
    FileUtils.mkdir_p(shots_dir)

    options.merge()
    timeout = options.delete(:timeout)
    debug = options.delete(:debug) || false
    session = ChromeDiff::Session.new(width: size[0], height: size[1], timeout: timeout, debug: debug)

    html = ""
    images = []
    @paths.each do |name, path|
      from = "#{@domains[0]}#{path}"
      to = "#{@domains[1]}#{path}"
      filename = "#{name}.png"
      output = File.join(shots_dir, filename)
      result = session.compare(from_url: from, to_url: to, output: output)
      puts "#{output} (%.2f%%)" % result.diff_percent

      title = "#{filename} (%.2f%%)" % result.diff_percent
      images << [name, title]
      html += <<~HTML
        <h2 id="#{ name }">#{ title }</h2>
        <ul>
          <li><a href="#{from}">#{from}</a></li>
          <li><a href="#{to}">#{to}</a></li>
          <li>
            <a href="#{ filename }">
              <img src="#{ filename }">
            </a>
          </li>
        </ul>
      HTML
    end

    html = "<ul>\n" + images.map{|name, title| "<li><a href='##{ name }'>#{ title }</a></li>"}.join("\n") + "</ul>\n\n" + html

    File.write(File.join(shots_dir, "index.html"), html)
  end
end