如何在测试助手中添加gem'minitest'？

Question

我是Ruby on Rails和测试的新手.当我运行时,rake test我收到以下错误:

/Users/jarvis/.rvm/gems/ruby-1.9.2-p180@rails3tutorial/gems/rack-1.3.4/lib/rack/backports
/uri/common_192.rb:53: warning: already initialized constant WFKV_
/Users/jarvis/.rvm/gems/ruby-1.9.2-p180@rails3tutorial/gems/turn-0.8.3/lib/turn/autorun
/minitest.rb:14:in `<top (required)>': MiniTest v1.6.0 is out of date. (RuntimeError)
`gem install minitest` and add `gem 'minitest' to you test helper.
    from /Users/jarvis/.rvm/gems/ruby-1.9.2-p180@rails3tutorial/gems/activesupport-3.1.1/lib
/active_support/dependencies.rb:240:in `require'

我做了gem install minitest,现在它说要将gem'minitest'添加到我的测试帮助器中.是这样test/test_helper.rb,如果是这样,我如何"添加"minitest？

Answer 1

编辑Gemfile,以便在测试组下指定gem,如下所示:

group :test do
  gem "minitest"
end

(发布OP编辑到问题中的解决方案,但没有作为答案发布)