gem master % rake
(in /home/qrush/Dev/rails/gemcutter/gem)
/usr/bin/ruby1.8 -I"lib:test" "/usr/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake/rake_test_loader.rb" "test/tumble_command_test.rb" 
Loaded suite /usr/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake/rake_test_loader
Started
"working!"
.
Finished in 0.00271 seconds.
 
1 tests, 0 assertions, 0 failures, 0 errors
gem master % rake1.9
(in /home/qrush/Dev/rails/gemcutter/gem)
/usr/local/bin/ruby1.9 -I"lib:test" "/usr/local/lib/ruby1.9/gems/1.9.1/gems/rake-0.8.7/lib/rake/rake_test_loader.rb" "test/tumble_command_test.rb" 
Loaded suite /usr/local/lib/ruby1.9/gems/1.9.1/gems/rake-0.8.7/lib/rake/rake_test_loader
Started
not working!
nil
.
Finished in 0.003099 seconds.
 
1 tests, 0 assertions, 0 failures, 0 errors, 0 skips
 

class TumbleCommandTest < CommandTest
  context "with a tumbler and some sources" do
    setup do
      @command = Gem::Commands::TumbleCommand.new
      stub(@command).say(anything) { "working!" }
    end
 
    should "show sources" do
      p @command.say "not working!"
    end
  end
end