fixed a couple of hidden bugs

activesupport/lib/active_support/testing/performance.rb

@@ -21,6 +21,7 @@ module ActiveSupport
 
       def self.included(base)
         base.superclass_delegating_accessor :profile_options
+        base.profile_options = {}
       end
       
       def full_profile_options
@@ -44,7 +45,7 @@ module ActiveSupport
               run_profile(klass.new)
               result.add_run
             else
-              puts '%20s: unsupported' % @metric.name
+              puts '%20s: unsupported' % metric_name
             end
           end
         end

activesupport/lib/active_support/testing/performance/ruby.rb

@@ -10,7 +10,7 @@ module ActiveSupport
     module Performance
       DEFAULTS.merge!(
         if ARGV.include?('--benchmark')
-          ({:metrics => [:wall_time, :memory, :objects, :gc_runs, :gc_time]}
+          {:metrics => [:wall_time, :memory, :objects, :gc_runs, :gc_time]}
         else
           { :min_percent => 0.01,
             :metrics => [:process_time, :memory, :objects],

activesupport/lib/active_support/testing/performance/ruby/yarv.rb

@@ -1,5 +1,5 @@
 begin
-  require 'test-unit'
+  gem 'test-unit'
 rescue LoadError
   $stderr.puts 'Specify test-unit as application\'s dependency in Gemfile to run benchmarks.'
   exit