运行 $ rails test 时，得到如下结果答案

【问题标题】：when running $ rails test, get the result as below运行 $ rails test 时，得到如下结果
【发布时间】：2017-06-20 05:55:37
【问题描述】：

运行$ rails test时，出现如下错误，如何解决？

/home/nafihnafi/.rbenv/versions/2.4.0/lib/ruby/gems/2.4.0/gems/activesupport-5.1.1/lib/active_support/testing/declarative.rb:14:in 'test': test_should_get_help is already defined in StaticPagesControllerTest (RuntimeError)
    from /home/nafihnafi/workspace/sample_app/test/controllers/static_pages_controller_test.rb:10:in '<class:StaticPagesControllerTest>'
    from /home/nafihnafi/workspace/sample_app/test/controllers/static_pages_controller_test.rb:3:in '<top (required)>'
    from /home/nafihnafi/.rbenv/versions/2.4.0/lib/ruby/gems/2.4.0/gems/activesupport-5.1.1/lib/active_support/dependencies.rb:292:in 'require'
    from /home/nafihnafi/.rbenv/versions/2.4.0/lib/ruby/gems/2.4.0/gems/activesupport-5.1.1/lib/active_support/dependencies.rb:292:in 'block in require'
    from /home/nafihnafi/.rbenv/versions/2.4.0/lib/ruby/gems/2.4.0/gems/activesupport-5.1.1/lib/active_support/dependencies.rb:258:in 'load_dependency'
    from /home/nafihnafi/.rbenv/versions/2.4.0/lib/ruby/gems/2.4.0/gems/activesupport-5.1.1/lib/active_support/dependencies.rb:292:in 'require'
    from /home/nafihnafi/.rbenv/versions/2.4.0/lib/ruby/gems/2.4.0/gems/railties-5.1.1/lib/rails/test_unit/test_requirer.rb:14:in 'block in require_files'
    from /home/nafihnafi/.rbenv/versions/2.4.0/lib/ruby/gems/2.4.0/gems/railties-5.1.1/lib/rails/test_unit/test_requirer.rb:13:in 'each'
    from /home/nafihnafi/.rbenv/versions/2.4.0/lib/ruby/gems/2.4.0/gems/railties-5.1.1/lib/rails/test_unit/test_requirer.rb:13:in 'require_files'
    from /home/nafihnafi/.rbenv/versions/2.4.0/lib/ruby/gems/2.4.0/gems/railties-5.1.1/lib/rails/test_unit/minitest_plugin.rb:94:in 'plugin_rails_init'
    from /home/nafihnafi/.rbenv/versions/2.4.0/lib/ruby/gems/2.4.0/gems/minitest-5.10.2/lib/minitest.rb:81:in 'block in init_plugins'
    from /home/nafihnafi/.rbenv/versions/2.4.0/lib/ruby/gems/2.4.0/gems/minitest-5.10.2/lib/minitest.rb:79:in 'each'
    from /home/nafihnafi/.rbenv/versions/2.4.0/lib/ruby/gems/2.4.0/gems/minitest-5.10.2/lib/minitest.rb:79:in 'init_plugins'
    from /home/nafihnafi/.rbenv/versions/2.4.0/lib/ruby/gems/2.4.0/gems/minitest-5.10.2/lib/minitest.rb:130:in 'run'
    from /home/nafihnafi/.rbenv/versions/2.4.0/lib/ruby/gems/2.4.0/gems/railties-5.1.1/lib/rails/test_unit/minitest_plugin.rb:77:in 'run'
    from /home/nafihnafi/.rbenv/versions/2.4.0/lib/ruby/gems/2.4.0/gems/minitest-5.10.2/lib/minitest.rb:63:in 'block in autorun'
    from /home/nafihnafi/.rbenv/versions/2.4.0/lib/ruby/2.4.0/rubygems/core_ext/kernel_require.rb:55:in 'require'
    from /home/nafihnafi/.rbenv/versions/2.4.0/lib/ruby/2.4.0/rubygems/core_ext/kernel_require.rb:55:in 'require'
    from -e:1:in '<main>'

【问题讨论】：

标签： ruby-on-rails ruby ruby-on-rails-4

【解决方案1】：

当 test_should_get_help 已经被定义时，您又在某个地方定义了它。确保它只定义一次 - 将函数放在文件末尾的私有块中，如下所示：

[file end]

private

def test_should_get_help
  [blah]
end

如果您在多个文件中需要它，请尝试将其添加为帮助程序。

【讨论】：