тестирование со спецификациями, капибара из главы 3 Railstutorial не работает (have_selector ('title',: text => '| Home'))

Я работаю над ruby.railstutorial.org/ruby-on-rails-tutorial-book. Я использую рельсы 3.2.7, spork, rspec, capybara, launchy и некоторых охранников :)

У меня действительно странная проблема в главе 3 с тестированием:

Похоже, что тесты не работают на то, что внутри<head>-Тег. Если я положу<title>-тег внутри<body>-tag вместо head-tag работает нормально. Также это работает, когда я ставлю<h1>метки выше<title> внутри<head>-Tags. Это странно, не правда ли?

Пожалуйста, помогите мне разобраться.

Пример взят из: 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

Сообщение об ошибке:

Failures:

1) Static pages Home page should have the title 'Home' Failure/Error: page.should have_selector('title', :text => ' | Home') Capybara::ExpectationNotMet: expected to find css "title" with text " | Home" but there were no matches. Also found "", which matched the selector but not all filters. # ./spec/requests/static_pages_spec.rb:15:in `block (3 levels) in '

Это работает:

it "should have the h1 'Sample App'" do
  visit '/static_pages/home'
  page.should have_selector('h1', :text => 'Sample App')
end

визуализированный HTML-файл:

<!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>

Спасибо

Редактировать: Вы можете найти файлы, с которыми я работаю на github: https://github.com/farukg/sample_app/

ссылка на файл спецификации: https://github.com/farukg/sample_app/blob/master/spec/requests/static_pages_spec.rb

Объяснение того, что я сделал: Код для домашней страницы такой, каким он должен быть. Код для страницы about имеет собственный макет с h1-тегом над title-тегом внутри, чтобы показать, что он работает по какой-то причине. И, наконец, страница справки имеет тег title внутри тегов body, который тоже работает.

Я абсолютно смущен, почему у меня такое странное поведение?

полный вывод гвардии:

> 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.

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