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http://jira.openqa.org/browse/WTR-474?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=20147#action_20147
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Bret Pettichord commented on WTR-474:
-------------------------------------
My understanding is that we (i.e. me) originally used active support, but that
dependency caused problems, so we (i.e. someone else) removed it and instead
defined the only method we were using from that library ourselves. This is that
method. So by design, it is the same.
> Watir and Rails 3.0.X incompatible
> ----------------------------------
>
> Key: WTR-474
> URL: http://jira.openqa.org/browse/WTR-474
> Project: Watir
> Issue Type: Bug
> Components: FireWatir
> Affects Versions: 1.7.1
> Environment: Fedora Core 13, Rails 3.0.5, commonwatir 1.8.0,
> firewatir 1.8.0
> Reporter: Eric Kolve
>
> When creating a new Rails 3.0 project and including firewatir and commonwatir
> in the list of gems an error is thrown when accessing a controller. Here are
> the repro steps:
> gem install rails
> gem install firewatir
> gem install commonwatir
> > rails new testrails
> > cd testrails
> > echo 'gem "commonwatir"' >> Gemfile
> > echo 'gem "firewatir"' >> Gemfile
> > bundle install --deployment
> > rails generate controller Pages home
> > rails server
> From a web browser request the page http://localhost.local:3000/pages/home
> The following error is thrown: NoMethodError: undefined method `cache' for
> :active_support:Symbol
> I tracked this down to this file:
> commonwatir-1.8.0/lib/watir/core_ext.rb
> def underscore
> gsub(/\B[A-Z][^A-Z]/, '_\&').downcase.gsub(' ', '_')
> end
> The underscore method is added/redefined in the core String class, which
> Rails also redefines using ActiveSupport::Inflector, but the underscore
> methods are incompatible. If that method is commented out, the above error
> is no longer thrown. I'm not sure of a good solution to this. Either rename
> the method and refactor all the watir code or depend ActiveSupport.
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