cucumber.rb

# Bradley Taylor - railsmachine.com
# Collect Cucumber metrics for a given path and send them to Dash.

module Dash::Sensor::Plugins
  class Cucumber
    include SensorPlugin

    register :cucumber, :url => 'http://dash.fiveruns.com' do |recipe|
      recipe.absolute :scenarios do
        stats[:scenarios]
      end
      
      steps = %w{passed failed skipped pending}
      
      [:passed, :failed, :skipped, :pending].each do |step|
        recipe.absolute step, "Steps #{step.to_s}" do
          stats[step]
        end 
      end
    end

    def configure(options)
      @path = options[:path]
    end

    private


    def self.stats
      if !@time || @time < Time.now - 55
        @old_stats = @stats || Hash.new(0)
        logger.debug "Fetching status at #{Time.now}"
        @stats = instance.send(:stats_data)
        @time = Time.now
      end
      @stats
    end

    def self.old_stats
      @old_stats
    end

    def stats_data
      begin
        output = `cucumber #{@path}/features`
        
        results = Hash.new(0)
        
        if output =~ /(\d+) scenario/
          results[:scenarios] = $1.to_i
        end
        
        [:passed, :failed, :skipped, :pending].each do |s|
          if output =~ /(\d+) step[s]* #{s.to_s}/
            results[s] = $1.to_i
          end
        end
        
        results
      rescue Exception => e
        logger.error "Error running #{@path}"
        logger.error "#{e.class.name}: #{e.message}"
        Hash.new(0)
      end
    end

  end
end