使用 url 参数时，在没有机架的情况下运行 Capybara 会产生错误

这是我的设置，基于此建议：如何让 Cucumber/Capybara/Mechanize 与外部非轨道站点一起工作 https://stackoverflow.com/questions/15665106/how-to-get-cucumber-capybara-mechanize-to-work-against-external-non-rails-site

在我向 URL 添加参数之前它会起作用。关于解决这个问题有什么建议吗？

require 'rspec'
require 'capybara/rspec'
require 'capybara/dsl'

@test_url = "test"

RSpec.configure do |config|
  config.include Capybara::DSL
end

Capybara.configure do |config|
  config.run_server = false
  config.current_driver = :selenium
  config.app = "fake app name"
  config.app_host = "http://site.com/#{@test_url}"
end

这工作正常：

describe "the page, without URL parameters" do
  it "shows the regular form" do
    visit "/registration.aspx"
    page.should have_content "YES"    
  end
end

但是这个：

describe "the page, when not fully pre-filled" do
  it "shows the regular form if only passed the attendance" do
    visit "/registration.aspx?r=y"
    page.should have_content "YES"    
  end

  it "shows the regular form if only passed the attendance" do
    visit "/registration.aspx?f=Jim"
    page.should have_content "YES"    
  end

end

结果是

....FF

Failures:

  1) the page, when not fully pre-filled shows the regular form if only passed the attendance
     Failure/Error: visit "/registration.aspx?r=y"
     NoMethodError:
       undefined method `call' for "fake app name":String
     # ./conf_spec.rb:39:in `block (2 levels) in <top (required)>'

  2) the page, when not fully pre-filled shows the regular form if only passed the attendance
     Failure/Error: visit "/registration.aspx?f=Jim"
     NoMethodError:
       undefined method `call' for "fake app name":String
     # ./conf_spec.rb:44:in `block (2 levels) in <top (required)>'

您只能设置其中一项app and app_host。所以你应该删除config.app从配置。

你还应该设置default_driver代替current_driver.

正如我在链接问题中的回答所示，工作配置是：

Capybara.configure do |config|
  config.run_server = false
  config.default_driver = :selenium
  config.app_host = 'https://www.google.com' # change url
end