shooter-capybara.rb

def save_screenshot(path = nil)
  path ||= "capybara-#{Time.new.strftime("%Y%m%d%H%M%S")}#{rand(10**10)}.png"
  path = File.expand_path(path, Capybara.save_and_open_page_path) if Capybara.save_and_open_page_path
  FileUtils.mkdir_p(File.dirname(path))
  super(path, full: true)
  path
end


def shoot(opts = {})
  raise ArgumentError, "must give a block" unless block_given?

  yield

  name = opts[:name] || current_path
  path = save_screenshot

  conn = Faraday.new('http://shooter.camaloon.com/') do |f|
    f.request :multipart
    f.request :url_encoded
    f.adapter :net_http
  end

  payload = {
    page: name,
    image: Faraday::UploadIO.new(path, 'image/jpeg'),
    api_token: "<api token>"
  }

  conn.post("/api/snapshots", payload)
end

def shoot_all_paths(*args)
  args.flatten.compact.each do |path|
    shoot { visit send("#{path}_path") }
  end
end

usage.rb

# spec_helper.rb
Capybara.register_driver :poltergeist_for_shooter do |app|
  Capybara::Poltergeist::Driver.new(app,
                                    window_size: [1280, 1024],
                                    phantomjs_options: ['--ignore-ssl-errors=yes'])
end

# spec/shoots_spec.rb
describe "shoots", type: :feature, js: true, driver: :poltergeist_for_shooter do
  it {
    shoot { visit root_path }
    shoot_all_paths %w(about_us shipping_info)
  }
end