在我的Rails 3应用程序中,我有不同的iPhone与桌面浏览器的布局.我正在尝试使用Cucumber / Capybara测试iPhone布局.到目前为止,我在请求的HTTP标头中设置iPhone User-Agent字符串的所有尝试都失败了.
我已经按照Testing custom headers and ssl with Cucumber and Capybara教程,但它似乎没有在HTTP请求中设置User-Agent字符串.
如果我只是使用我的iPhone浏览我的Rails应用程序,我会得到正确的布局.我使用Rack-Mobile-Detect将Rails request.format设置为:iphone.
关于如何使这项工作的任何想法?我准备放弃Capybara并回到Webrat.
这是我到目前为止所拥有的:
Feature: Detect Browser In order to have different layouts for iPhone vs. desktop browsers As a developer I want to show different layouts for different browsers Scenario: Show home page with desktop layout Given I am using "a desktop browser" When I go to "the home page" Then I should see "desktop browser" Scenario: Show home page with iPhone layout Given I am using "mobile safari" When I go to "the home page" Then show me the page Then I should see "mobile safari"
Detect_browser_steps.rb
Given /^(?:|I )am using (.+)$/ do |browser| case browser when "mobile safari" agent = "Mozilla/5.0 (iPhone; U; CPU iPhone OS 3_1_2 like Mac OS X; en-us) AppleWebKit/528.18 (KHTML,like Gecko) Version/4.0 Mobile/7D11 Safari/528.16" add_headers({'User-Agent' => agent}) else # don't set a special User-Agent header end end
headers_hack.rb
# http://aflatter.de/2010/06/testing-headers-and-ssl-with-cucumber-and-capybara/ # The following solution will work only if you use the :rack_test driver. module RackTestMixin def self.included(mod) mod.class_eval do # This is where we save additional entries. def hacked_env @hacked_env ||= {} end # Alias the original method for further use. alias_method :original_env,:env # Override the method to merge additional headers. # Plus this implicitly makes it public. def env original_env.merge(hacked_env) end end end end Capybara::Driver::RackTest.send :include,RackTestMixin module HeadersHackHelper def add_headers(headers) page.driver.hacked_env.merge!(headers) end end World(HeadersHackHelper)
解决方法
不得不对此进行一些调整,但最终我设法通过添加:
# features/support/capybara_headers.rb: module CapybaraHeadersHelper def add_headers(headers) headers.each do |name,value| page.driver.browser.header(name,value) end end end World(CapybaraHeadersHelper)
您可以在我写的这个blog post中获得更多信息,但基本上就是这样.
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