require 'helper'
require 'css_parser'

class SpriteTest < Test::Unit::TestCase
  def setup
    initialize_application_or_load_sprites!
  end

  def teardown
    FileUtils.rm_rf(Rails.root.join('public/images/sprites'))
    FileUtils.rm_rf(Rails.root.join('public/stylesheets/sprites'))

    tear_down_assets
  end

  def sprites
    Rails.application.sprites
  end

  def test_underscore_method
    assert_nothing_raised do
      Rails.application.sprites do
        sprite :foo do
          _"sprite_images/foo/1.png" => '.my_klass'
        end
      end
    end
  end

  def test_underscore_method_actually_adds_the_sp
    Rails.application.sprites do
      sprite :bar, :orientation => :horizontal do
        _"sprite_images/foo/1.png" => '.my_klass'
      end
    end

    path = "sprite_images/foo/1.png"
    assert sprites[:bar].has_sprite_piece_with_path?(path)
    assert_equal '.my_klass', sprites[:bar][path].css_selector
  end

  def test_sprite_validation
    assert_raises ActiveAssets::ActiveSprites::Sprite::ValidationError do
      Rails.application.sprites do
        sprite ''
      end
    end
  end

  def test_raises_invalid_orientation
    assert_raises ActiveAssets::ActiveSprites::Sprite::OrientationInvalid do
      Rails.application.sprites do
        sprite :bar, :orientation => :bad
      end
    end
  end

  def test_quality
    Rails.application.sprites do
      sprite :bas, :quality => 50
    end

    assert_equal 50, Rails.application.sprites[:bas].quality
  end

  def test_matte_color
    Rails.application.sprites do
      sprite :foobas, :matte_color => '#FFFFFF'
    end

    assert_equal '#FFFFFF', Rails.application.sprites[:foobas].matte_color
  end

  def test_url
    Rails.application.sprites do
      sprite :foobar, :url => "activecodebase.com" do
        _"sprite_images/sprite3/1.png" => ".klass_1"
        _"sprite_images/sprite3/2.png" => ".klass_2"
      end
    end

    Rails.application.sprites.generate!

    sprite =  Rails.application.sprites[:foobar]
    parser = CssParser::Parser.new
    parser.load_file!(File.basename(sprite.stylesheet_path), File.dirname(Rails.root.join('public/stylesheets', sprite.stylesheet_path)), :screen)

    uses_url = true

    parser.each_selector do |selector, declarations, specificity|
      uses_url &= declarations[%r{url\('([^\?]+)\??\d*'\)},1] == "activecodebase.com"
    end

    assert uses_url
  end
end