require 'helper'

class TestDupeMagick < Test::Unit::TestCase
  should "compare two identical images and return a euclidian distance of 0" do
    comparison = DupeMagick.new
    path = File.expand_path(File.dirname(__FILE__))
    assert_equal 0, comparison.compare_images(
      path + "/" + "images/first_wife.png", 
      path + "/" + "images/second_wife.jpg", 
      {
        :geometry => '8x8!'
      }
    )
  end

  should "compare two possibly similar images and return a euclidian distance of 104" do
    comparison = DupeMagick.new
    path = File.expand_path(File.dirname(__FILE__))
    assert_equal 104, comparison.compare_images(
      path + "/" + "images/first_wife.png", 
      path + "/" + "images/bright_wife.png", 
      {
        :geometry => '8x8!'
      }
    )
  end

  should "compare two different images and return a euclidian distance of 531" do
    comparison = DupeMagick.new
    path = File.expand_path(File.dirname(__FILE__))
    assert_equal 531, comparison.compare_images(
      path + "/" + "images/first_wife.png", 
      path + "/" + "images/different.jpg", 
      {
        :geometry => '8x8!'
      }
    )
  end

  should "parse a file path" do
    comparison = DupeMagick.new
    path = File.expand_path(File.dirname(__FILE__))
    comparison.find_duplicates(path + "/" + "images/first_wife.png", path + "/" + "images/*")

  end


end