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Editorial Team
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Asked: 2026-05-14T00:36:28+00:00

environment/cucumber.rb: … # gem dependencies config.gem ‘cucumber-rails’, :lib => false, :version => ‘>=0.3.0’ unless

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environment/cucumber.rb:

...
# gem dependencies
config.gem 'cucumber-rails',   :lib => false, :version => '>=0.3.0' unless File.directory?(File.join(Rails.root, 'vend
config.gem 'database_cleaner', :lib => false, :version => '>=0.5.0' unless File.directory?(File.join(Rails.root, 'vend
config.gem 'webrat',           :lib => false, :version => '>=0.7.0' unless File.directory?(File.join(Rails.root, 'vend

config.gem 'spork',            :lib => false, :version => '>=0.7.5' unless File.directory?(File.join(Rails.root, 'vend

config.gem 'factory_girl', :source => 'http://gemcutter.org'
config.gem 'selenium-client', :lib => false
config.gem 'Selenium', :lib => false
config.gem 'rspec', :lib => 'spec'
config.gem 'rspec-rails', :lib => 'spec/rails'
config.gem 'test-unit', :lib => false

Running cucumber gives missing gems error:

artem:~/projects/food4feed (master)$ cucumber
...
no such file to load -- Selenium
/home/artem/.rvm/gems/ruby-1.9.1-p378/gems/polyglot-0.3.0/lib/polyglot.rb:65:in `require'
/home/artem/.rvm/gems/ruby-1.9.1-p378/gems/activesupport-2.3.5/lib/active_support/dependencies.rb:158:in `require'
/home/artem/.rvm/gems/ruby-1.9.1-p378/gems/rspec-rails-1.3.2/lib/spec/rails.rb:13:in `<top (required)>'
/home/artem/.rvm/gems/ruby-1.9.1-p378/gems/polyglot-0.3.0/lib/polyglot.rb:65:in `require'
/home/artem/.rvm/gems/ruby-1.9.1-p378/gems/polyglot-0.3.0/lib/polyglot.rb:65:in `require'
/home/artem/.rvm/gems/ruby-1.9.1-p378/gems/activesupport-2.3.5/lib/active_support/dependencies.rb:158:in `require'
/home/artem/.rvm/gems/ruby-1.9.1-p378/gems/rails-2.3.5/lib/rails/gem_dependency.rb:208:in `load'
/home/artem/.rvm/gems/ruby-1.9.1-p378/gems/rails-2.3.5/lib/initializer.rb:307:in `block in load_gems'
/home/artem/.rvm/gems/ruby-1.9.1-p378/gems/rails-2.3.5/lib/initializer.rb:307:in `each'
/home/artem/.rvm/gems/ruby-1.9.1-p378/gems/rails-2.3.5/lib/initializer.rb:307:in `load_gems'
/home/artem/.rvm/gems/ruby-1.9.1-p378/gems/rails-2.3.5/lib/initializer.rb:169:in `process'
/home/artem/.rvm/gems/ruby-1.9.1-p378/gems/rails-2.3.5/lib/initializer.rb:113:in `run'
/home/artem/projects/food4feed/config/environment.rb:9:in `<top (required)>'
/home/artem/.rvm/gems/ruby-1.9.1-p378/gems/polyglot-0.3.0/lib/polyglot.rb:65:in `require'
/home/artem/.rvm/gems/ruby-1.9.1-p378/gems/polyglot-0.3.0/lib/polyglot.rb:65:in `require'
/home/artem/projects/food4feed/features/support/env.rb:12:in `block in <top (required)>'
/home/artem/.rvm/gems/ruby-1.9.1-p378/gems/spork-0.8.1/lib/spork.rb:23:in `prefork'
/home/artem/projects/food4feed/features/support/env.rb:10:in `<top (required)>'
/home/artem/.rvm/gems/ruby-1.9.1-p378/gems/polyglot-0.3.0/lib/polyglot.rb:65:in `require'
/home/artem/.rvm/gems/ruby-1.9.1-p378/gems/polyglot-0.3.0/lib/polyglot.rb:65:in `require'
/home/artem/.rvm/gems/ruby-1.9.1-p378/gems/cucumber-0.6.3/lib/cucumber/rb_support/rb_language.rb:124:in `load_code_file'
/home/artem/.rvm/gems/ruby-1.9.1-p378/gems/cucumber-0.6.3/lib/cucumber/step_mother.rb:85:in `load_code_file'
/home/artem/.rvm/gems/ruby-1.9.1-p378/gems/cucumber-0.6.3/lib/cucumber/step_mother.rb:77:in `block in load_code_files'
/home/artem/.rvm/gems/ruby-1.9.1-p378/gems/cucumber-0.6.3/lib/cucumber/step_mother.rb:76:in `each'
/home/artem/.rvm/gems/ruby-1.9.1-p378/gems/cucumber-0.6.3/lib/cucumber/step_mother.rb:76:in `load_code_files'
/home/artem/.rvm/gems/ruby-1.9.1-p378/gems/cucumber-0.6.3/lib/cucumber/cli/main.rb:48:in `execute!'
/home/artem/.rvm/gems/ruby-1.9.1-p378/gems/cucumber-0.6.3/lib/cucumber/cli/main.rb:20:in `execute'
/home/artem/.rvm/gems/ruby-1.9.1-p378/gems/cucumber-0.6.3/bin/cucumber:8:in `<top (required)>'
/home/artem/.rvm/gems/ruby-1.9.1-p378/bin/cucumber:19:in `load'
/home/artem/.rvm/gems/ruby-1.9.1-p378/bin/cucumber:19:in `<main>'
Missing these required gems:
  selenium-client
  Selenium
  rspec-rails

You're running:
  ruby 1.9.1.378 at /home/artem/.rvm/rubies/ruby-1.9.1-p378/bin/ruby
  rubygems 1.3.5 at /home/artem/.rvm/gems/ruby-1.9.1-p378, /home/artem/.rvm/gems/ruby-1.9.1-p378%global

All gems are obviously there:

artem:~/projects/food4feed (master)$ gem list | egrep "elenium|rspec|test-unit"
rspec (1.3.0)
rspec-rails (1.3.2)
Selenium (1.1.14)
selenium-client (1.2.18)
test-unit (2.0.7)

Even more confusing part is that it only complains about certain gems. factory_girl and rspec don’t cause problems.

Any idea what is going on?

My environment:

  • Rails 2.3.5
  • cucumber (0.6.3)
  • cucumber-rails (0.3.0)
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1 Answer

  1. Editorial Team

    Ok, I figured it (with the help of aslakhellesoy, thanks!). When cucumber says Missing these required gems it may also mean Can't load these required gems. Which adds the whole spectrum of possible errors.

    In this case, gems names (apart from rspec-rails) didn’t match corresponding library files to require. For instance, there should have been :lib => 'selenium' added to config.gem 'selenium-client'.

    As for rspec-rails, it was failing to load because of the wrong version of test-unit: Gem::LoadError: RubyGem version error: test-unit(2.0.7 not = 1.2.3). It would have helped a lot if cucumber reported this error in the first place (I got it from requiring rspec-rails from console).

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