Fun Rspec matcher

.rspec

# lives in ~/.rspec
# update path to formatter.rb as needed - I also put it in ~/ :)

--require ~/formatter.rb --format GroupingFormatter

formatter.rb

require 'rspec/core/formatters/console_codes'

class GroupingFormatter
  RSpec::Core::Formatters.register self, :dump_summary, :close, :example_passed, :example_failed, :example_pending

  def initialize output
    @output = output
  end

  def example_passed notification # ExampleNotification
    @output << RSpec::Core::Formatters::ConsoleCodes.wrap("☺", :success)
  end

  def example_failed notification # FailedExampleNotification
    @output << RSpec::Core::Formatters::ConsoleCodes.wrap("☹", :failure)
  end

  def example_pending notification # ExampleNotification
    @output << RSpec::Core::Formatters::ConsoleCodes.wrap("⚇", :pending)
  end

  def dump_summary notification # SummaryNotification
    @output << "\n\nFinished in #{RSpec::Core::Formatters::Helpers.format_duration(notification.duration)}."
  end

  def close notification # NullNotification
    @output << "\n"
  end
end