Ruby on rails 为什么可以'；我不能执行RSpec吗？

通过Michael Hartle的教程工作，我无法执行RSpec；终端出现以下错误：

/Users/coreymkimball/Canvi/Tutorials/sample_app/spec/requests/static_pages_spec.rb:1:in `require': cannot load such file -- spec-helper (LoadError)
    from /Users/coreymkimball/Canvi/Tutorials/sample_app/spec/requests/static_pages_spec.rb:1:in `<top (required)>'
    from /Users/coreymkimball/.rvm/gems/ruby-2.0.0-p247@railstutorial_rails_4_0/gems/rspec-core-2.13.1/lib/rspec/core/configuration.rb:819:in `load'
    from /Users/coreymkimball/.rvm/gems/ruby-2.0.0-p247@railstutorial_rails_4_0/gems/rspec-core-2.13.1/lib/rspec/core/configuration.rb:819:in `block in load_spec_files'
    from /Users/coreymkimball/.rvm/gems/ruby-2.0.0-p247@railstutorial_rails_4_0/gems/rspec-core-2.13.1/lib/rspec/core/configuration.rb:819:in `each'
    from /Users/coreymkimball/.rvm/gems/ruby-2.0.0-p247@railstutorial_rails_4_0/gems/rspec-core-2.13.1/lib/rspec/core/configuration.rb:819:in `load_spec_files'
    from /Users/coreymkimball/.rvm/gems/ruby-2.0.0-p247@railstutorial_rails_4_0/gems/rspec-core-2.13.1/lib/rspec/core/command_line.rb:22:in `run'
    from /Users/coreymkimball/.rvm/gems/ruby-2.0.0-p247@railstutorial_rails_4_0/gems/rspec-core-2.13.1/lib/rspec/core/runner.rb:80:in `run'
    from /Users/coreymkimball/.rvm/gems/ruby-2.0.0-p247@railstutorial_rails_4_0/gems/rspec-core-2.13.1/lib/rspec/core/runner.rb:17:in `block in autorun'

/Users/coreymkiball/Canvi/Tutorials/sample\u app/spec/requests/static\u pages\u spec.rb:1:在'require'中：无法加载此类文件--spec helper（LoadError）
来自/Users/coreymkiball/Canvi/Tutorials/sample\u app/spec/requests/static\u pages\u spec.rb:1:in`'
来自/Users/coreymkimball/.rvm/gems/ruby-2.0.0-p247@railstutorial_rails_4_0/gems/rspec-core-2.13.1/lib/rspec/core/configuration.rb:819:in'load'
来自/Users/coreymkimball/.rvm/gems/ruby-2.0.0-p247@railstutorial_rails_4_0/gems/rspec-core-2.13.1/lib/rspec/core/configuration.rb:819:in'block in load_spec_files'
来自/Users/coreymkimball/.rvm/gems/ruby-2.0.0-p247@railstutorial_rails_4_0/gems/rspec-core-2.13.1/lib/rspec/core/configuration.rb:819:in'each'
来自/Users/coreymkimball/.rvm/gems/ruby-2.0.0-p247@railstutorial_rails_4_0/gems/rspec-core-2.13.1/lib/rspec/core/configuration.rb:819:在“加载规范文件”中
来自/Users/coreymkimball/.rvm/gems/ruby-2.0.0-p247@railstutorial_rails_4_0/gems/rspec-core-2.13.1/lib/rspec/core/command_-line.rb:22:in'run'
来自/Users/coreymkimball/.rvm/gems/ruby-2.0.0-p247@railstutorial_rails_4_0/gems/rspec-core-2.13.1/lib/rspec/core/runner.rb:80:in'run'
来自/Users/coreymkimball/.rvm/gems/ruby-2.0.0-p247@railstutorial_rails_4_0/gems/rspec-core-2.13.1/lib/rspec/core/runner.rb:17:in'block in autorun'

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它表示特定文件中存在加载错误；不知道如何着手创建一个新的，或克服这个故障排除障碍。任何帮助都会很好

您可能会发现在spec目录中创建的文件名为

spec\u helper

，而不是

spec helper

。更改

静态页面顶部的require\u spec.rb

以反映这一点。

啊，这很好，非常简单；真不敢相信我让它从我身边溜走了-谢谢你，谢谢你！