$:.unshift(File.dirname(__FILE__) + '/../lib')

require 'test/unit'
require 'rubygems'
require 'fileutils'

class Test::Unit::TestCase

  def input_file
    File.dirname(__FILE__) + '/input_file'
  end
  
  def output_dir
    File.dirname(__FILE__) + '/outputs'
  end
  
  def default_image
    File.dirname(__FILE__) + '/test.jpg'
  end
  
  def setup
    FileUtils.mkdir_p output_dir
  end
  
  def teardown
    # Delete test input file
    File.delete(input_file) if File.file?(input_file)
    # Clean outputs directory
    delete_content output_dir
  end

  protected
  
  # Recursively delete folder content
  def delete_content(dir)
    Dir.foreach(dir) do |f|
      path = dir + "/" + f
      if f == '.' or f == '..' then next
      elsif File.directory?(path) then FileUtils.rm_rf(path)      
      else FileUtils.rm(path)
      end
    end 
  end 

end