# File lib/mocha/integration/test_unit.rb, line 17
      def self.activate
        return false unless Detection::TestUnit.testcase
        test_unit_version = Gem::Version.new(Detection::TestUnit.version)
        ruby_version = Gem::Version.new(RUBY_VERSION.dup)

        Debug.puts "Detected Ruby version: #{ruby_version}"
        Debug.puts "Detected Test::Unit version: #{test_unit_version}"

        integration_module = [
          TestUnit::Adapter,
          TestUnit::GemVersion230To250,
          TestUnit::GemVersion203To220,
          TestUnit::GemVersion201To202,
          TestUnit::GemVersion200,
          TestUnit::RubyVersion186AndAbove,
          TestUnit::RubyVersion185AndBelow,
          TestUnit::Nothing
        ].detect { |m| m.applicable_to?(test_unit_version, ruby_version) }

        unless ::Test::Unit::TestCase < integration_module
          Debug.puts "Applying #{integration_module.description}"
          ::Test::Unit::TestCase.send(:include, integration_module)
        end
        true
      end