far*_*ukg 10 testing capybara spork rspec-rails ruby-on-rails-3.2
我正在研究ruby.railstutorial.org/ruby-on-rails-tutorial-book.我使用rails 3.2.7,spork,rspec,capybara,launchy和一些警卫:)
我在第3章中有一个非常奇怪的问题:测试:
似乎测试不适用于<head>-Tag中的内容.如果我将<title>-tag放在<body>-tag而不是head-tag中,它可以正常工作.当我把<h1>-tags放在<title>里面 - <head>标签时,它也有效.这很奇怪,不是吗？
请帮帮我搞清楚.
示例来自:ruby.railstutorial.org/chapters/static-pages#code:title_test:
it "should have the right title" do
visit '/static_pages/home'
page.should have_selector('title',
:text => "Ruby on Rails Tutorial Sample App | Home")
end
错误消息是:
失败:
1)静态页面主页应该有标题'Home'失败/错误:page.should have_selector('title',:text =>'| Home')Capybara :: ExpectationNotMet:期望找到带有文本的css"title" |主页"但没有比赛.还找到"",它匹配选择器但不是所有过滤器.#./spec/requests/static_pages_spec.rb:15:在'块(3级)中'
那个工作:
it "should have the h1 'Sample App'" do
visit '/static_pages/home'
page.should have_selector('h1', :text => 'Sample App')
end
呈现的HTML文件:
<!DOCTYPE html>
<html>
<head>
<title>Ruby on Rails Tutorial Sample App | Home</title>
<!-- some css,js stuff -->
</head>
<body>
<h1>Sample App</h1>
<p>
This is the home page for the
<a href="http://railstutorial.org/">Ruby on Rails Tutorial</a>
sample application
</p>
</body>
</html>
谢谢
编辑:你可以在github上找到我正在使用的文件:https: //github.com/farukg/sample_app/
指向文件的链接:https: //github.com/farukg/sample_app/blob/master/spec/requests/static_pages_spec.rb
我所做的解释:主页的代码就像应该的样子.about页面的代码有自己的布局,里面标题标签上面有一个h1-tag,表明它可以用于某种原因.最后,帮助页面在body标签内部也有标题标签.
我绝对迷茫,为什么我有这么奇怪的行为？
守卫的完整输出:
> Run all
Bundle already up-to-date
Running all specs
Running tests with args ["--drb", "--colour", "-f", "progress", "-r", "/home/faruk/.rvm/gems/ruby-1.9.3-p125/gems/guard-rspec-1.2.0/lib/guard/rspec/formatters/notification_rspec.rb", "-f", "Guard::RSpec::Formatter::NotificationRSpec", "--out", "/dev/null", "--failure-exit-code", "2", "spec"]...
..FFF.....Neues Fenster in aktueller Browsersitzung erstellt.
.FF..
Failures:
1) Static pages Home page having application layout should have_selector head title 'Home'
Failure/Error: page.should have_selector('head title',
Capybara::ExpectationNotMet:
expected to find css "head title" with text "Ruby on Rails Tutorial Sample App | Home" but there were no matches. Also found "", which matched the selector but not all filters.
# ./spec/requests/static_pages_spec.rb:23:in `block (3 levels) in <top (required)>'
2) Static pages Home page having application layout should have content 'Home'
Failure/Error: page.should have_content("Ruby on Rails Tutorial Sample App | Home")
expected there to be text "Ruby on Rails Tutorial Sample App | Home" in "Sample App This is the home page for the Ruby on Rails Tutorial sample application"
# ./spec/requests/static_pages_spec.rb:30:in `block (3 levels) in <top (required)>'
3) Static pages Home page having application layout should have css title 'Home'
Failure/Error: page.should have_css("title", :text => "Ruby on Rails Tutorial Sample App | Home")
Capybara::ExpectationNotMet:
expected to find css "title" with text "Ruby on Rails Tutorial Sample App | Home" but there were no matches. Also found "", which matched the selector but not all filters.
# ./spec/requests/static_pages_spec.rb:36:in `block (3 levels) in <top (required)>'
4) Static pages about page with own layout should JUST have_selector head title
Failure/Error: page.should have_selector('head title')
Capybara::ExpectationNotMet:
expected to find css "head title" but there were no matches
# ./spec/requests/static_pages_spec.rb:86:in `block (3 levels) in <top (required)>'
5) Static pages about page with own layout should have_selector head title 'About Us'
Failure/Error: page.should have_selector('head title',
Capybara::ExpectationNotMet:
expected to find css "head title" with text "Ruby on Rails Tutorial Sample App | About Us" but there were no matches
# ./spec/requests/static_pages_spec.rb:93:in `block (3 levels) in <top (required)>'
Finished in 0.66215 seconds
15 examples, 5 failures
Failed examples:
rspec ./spec/requests/static_pages_spec.rb:20 # Static pages Home page having application layout should have_selector head title 'Home'
rspec ./spec/requests/static_pages_spec.rb:27 # Static pages Home page having application layout should have content 'Home'
rspec ./spec/requests/static_pages_spec.rb:33 # Static pages Home page having application layout should have css title 'Home'
rspec ./spec/requests/static_pages_spec.rb:83 # Static pages about page with own layout should JUST have_selector head title
rspec ./spec/requests/static_pages_spec.rb:90 # Static pages about page with own layout should have_selector head title 'About Us'
Done.
> Neues Fenster in aktueller Browsersitzung erstellt.
Neues Fenster in aktueller Browsersitzung erstellt.
这只是因为<title>是在<head>这样它不会出现.
用这个,解决了我的问题:
page.should have_selector 'title', :visible => false
提示:您可以应用同样的方法来检查其他<head>元素,<meta>例如,确保您(并且您会保持)Google友好.
我刚刚在Github上检查了你的项目,似乎你正在使用capybara的边缘版本:
的Gemfile
gem 'capybara', :git => 'git://github.com/jnicklas/capybara.git'
Gemfile.lock的
GIT
remote: git://github.com/jnicklas/capybara.git
revision: e561d249555195cdd0e9251246fc75aae876f833
specs:
capybara (2.0.0.beta2)
mime-types (>= 1.16)
nokogiri (>= 1.3.3)
rack (>= 1.0.0)
rack-test (>= 0.5.4)
selenium-webdriver (~> 2.0)
xpath (~> 1.0.0.beta1)
如果没有别的,我敢说这是你问题的原因.(当然,在更新capybara以使用边缘版本后,我的参考项目全部被打破)
因此,除非您热衷于帮助进行Capybara 2的beta测试,否则您最好坚持使用此处列出的1.1.2版本.
如果你使用的是Capybara 2,你可以使用这样的have_title方法:
page.should have_title("Ruby on Rails Tutorial Sample App | Home")
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