我从这个测试迈克尔·哈特尔书:
require 'spec_helper'
describe "Static pages" do
let(:base_title) { "Ruby on Rails Tutorial Sample App" }
describe "Home page" do
it "should have the h1 'Sample App'" do
visit '/static_pages/home'
page.should have_selector('h1', :text => 'Sample App')
end
it "should have the title 'Home'" do
visit '/static_pages/home'
page.should have_selector('title', :text => "#{base_title} | Home")
end
end
end
和视图:
<% provide(:title, 'Home') %>
<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>
当我运行测试,它说:
....
Finished in 1.91 seconds
4 examples, 0 failures
Randomized with seed 42247
.F...
Failures:
1) Static pages Home page should have the title 'Home'
Failure/Error: page.should have_selector('title', :text => "#{base_title} | Home")
expected #has_selector?("title", {:text=>"Ruby on Rails Tutorial Sample App | Home"}) to return true, got false
# ./spec/requests/static_pages_spec.rb:16:in `block (3 levels) in <top (required)>'
Finished in 1.91 seconds
5 examples, 1 failure
Failed examples:
rspec ./spec/requests/static_pages_spec.rb:14 # Static pages Home page should have the title 'Home'
Randomized with seed 17491
但是,它应该通过,因为当我在浏览器中查看页面的标题是:Ruby on Rails的教程示例应用程序| 应用程序示例,这是正确的!