Rspec测试应该通过但失败 [英] Rspec test should pass but fails

问题描述

我从 michael hartl 本书中进行了这项测试：

I have this test from michael hartl book:

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

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>

我运行测试时说：

....

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时，标题是：Ruby on Rails Tutorial Sam ple App |

But It should pass, because when I view the page in browser the title is: Ruby on Rails Tutorial Sample App | Sample App, which is correct!

推荐答案

请确保您在Gemfile中使用了水豚1.1.2。从2.0开始，capybara不适用于标题测试（https://github.com/jnicklas/capybara/issues/844）

Make sure you're using capybara 1.1.2 in your Gemfile. Starting from 2.0 capybara does not works for title testing (https://github.com/jnicklas/capybara/issues/844)

...
group :test do
  gem 'capybara', '1.1.2'
end

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