_run_suite

# File lib/test/unit/parallel.rb, line 27
      def _run_suite(suite, type) # :nodoc:
        @partial_report = []
        orig_testout = MiniTest::Unit.output
        i,o = IO.pipe

        MiniTest::Unit.output = o
        orig_stdin, orig_stdout = $stdin, $stdout

        th = Thread.new do
          begin
            while buf = (self.verbose ? i.gets : i.read(5))
              _report "p", buf
            end
          rescue IOError
          rescue Errno::EPIPE
          end
        end

        e, f, s = @errors, @failures, @skips

        begin
          result = orig_run_suite(suite, type)
        rescue Interrupt
          @need_exit = true
          result = [nil,nil]
        end

        MiniTest::Unit.output = orig_testout
        $stdin = orig_stdin
        $stdout = orig_stdout

        o.close
        begin
          th.join
        rescue IOError
          raise unless ["stream closed","closed stream"].include? $!.message
        end
        i.close

        result << @partial_report
        @partial_report = nil
        result << [@errors-e,@failures-f,@skips-s]
        result << ($: - @old_loadpath)
        result << suite.name

        begin
          _report "done", Marshal.dump(result)
        rescue Errno::EPIPE; end
        return result
      ensure
        MiniTest::Unit.output = orig_stdout
        $stdin = orig_stdin
        $stdout = orig_stdout
        o.close if o && !o.closed?
        i.close if i && !i.closed?
      end