#coding: US-ASCII Capybara::SpecHelper.spec "#save_screenshot" do let(:image_path) { File.join(Dir.tmpdir, 'capybara-screenshot.png') } before do @session.visit '/' @session.save_screenshot image_path end it "should generate PNG file", :requires => [:screenshot] do magic = File.read(image_path, 4) magic.should eq "\x89PNG" end end