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如果要使用 capybara 的 javascript_driver,建议使用 webkit 要把其使用起来需要进行一些安装和配置
以下是在 debian Wheezy(debian 7) 系统的安装方法
apt-get install libqt4-dev apt-get install xvfb
其他系统的安装方式请看 https://github.com/thoughtbot/capybara-webkit/wiki/Installing-Qt-and-compiling-capybara-webkit
增加以下 gem
group :test do gem 'database_cleaner', '~> 1.4.1' gem "factory_girl_rails" gem 'capybara' gem "capybara-webkit", '~> 1.6.0' gem 'headless' end
rails_helper.rb 中增加以下代码
require 'headless' headless = Headless.new headless.start at_exit { headless.stop } Capybara.javascript_driver = :webkit
require 'rails_helper' describe "the signin process", :type => :feature, :js => true do it "signs me in" do visit '/sessions/new' expect(page).to have_css '.js-add' within("#session") do fill_in 'Email', :with => 'user@example.com' fill_in 'Password', :with => 'password' end click_button 'Sign in' expect(page).to have_css '.js-click' end end