# -*- encoding : utf-8 -*-
# 
# Copyright (c) 2011, Diego Souza
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require "rspec/core/formatters/base_formatter"

class TapFormatter < RSpec::Core::Formatters::BaseFormatter

  attr_reader :total

  OK     = 'ok'
  NOT_OK = 'not ok'
  TODO   = '# TODO '

  def initialize(output)
    super(output)      
    @total = 0
  end

  def example_passed(example)
    super(example)
    tap_example_output(OK, example)
  end

  def example_pending(example)
    super(example)
    tap_example_output(NOT_OK, example, TODO)
  end

  def example_failed(example)
    super(example)
    tap_example_output(NOT_OK, example)
  end

  def dump_summary(duration, example_count, failure_count, pending_count)
    super(duration, example_count, failure_count, pending_count)
    if (@total > 0)
      output.puts("1..#{example_count}")
    end
  end

  private
  def tap_example_output(ok, example, modifier='')
    @total += 1
    output.puts("#{ok} #{@total} - #{modifier}#{example.metadata[:full_description]}")
  end

end