Running Rail 2.3 LTS Performance Tests using Minitest

backport.rb

# include this in your test_helper.rb. It monkeypatches
# The methods used to actually run any performance tests
# subclassed from ActionController::PerformanceTest
# based on: https://github.com/rails/rails/blob/3-2-stable/activesupport/lib/active_support/testing/performance.rb#L44

module ActiveSupport
  module Testing
    module Performance

      def run(runner)
        @runner = runner

        run_warmup
        if profile_options && metrics = profile_options[:metrics]
          metrics.each do |metric_name|
            if klass = Metrics[metric_name.to_sym]
              run_profile(klass.new)
            end
          end
        end

        return
      end

      def run_test(metric, mode)
        result = '.'
        begin
          run_callbacks :setup
          setup
          metric.send(mode) { __send__ method_name }
        rescue Exception => e
          result = @runner.puke(self.class, method_name, e)
        ensure
          begin
            teardown
            run_callbacks :teardown, :enumerator => :reverse_each
          rescue Exception => e
            result = @runner.puke(self.class, method_name, e)
          end
        end
        result
      end
    end
  end
end