class RSpec::Core::Formatters::JsonFormatter

def stop
  super
  @output_hash[:examples] = examples.map do |example|
    {
      :description => example.description,
      :full_description => example.full_description,
      :status => example.execution_result[:status],
      # :example_group,
      # :execution_result,
      :file_path => example.metadata[:file_path],
      :line_number  => example.metadata[:line_number],
    }.tap do |hash|
      if e=example.exception
        hash[:exception] =  {
          :class => e.class.name,
          :message => e.message,
          :backtrace => e.backtrace,
        }
      end
    end
  end
end