require 'test/unit'
require 'lib/csses'

module Test::Unit::Assertions
  def assert_include(item, obj, message = nil)
    assert_respond_to obj, :include?
    message ||= "#{obj.inspect}\ndoes not include\n#{item.inspect}."
    assert_block message do obj.include? item end
  end
  
  def deny_include(item, obj, message = nil)
    assert_respond_to obj, :include?
    message ||= "#{obj.inspect} includes #{item.inspect}."
    assert_block message do !obj.include? item end
  end
  
  # Thanks ZenTest!
end

class CSSesTest < Test::Unit::TestCase
  
  def setup
    files = Dir.glob('test/test_site/*')
    @css = CSSes.new(files)
    @css_unless = CSSes.new(['test/test_site/test_unless.html.erb'])
    @css_without_parens = CSSes.new(['test/test_site/test_no_parens.html.erb'])
    @css_without_anything = CSSes.new([])
  end
  
  def test_000_no_unfashionable_elements
    CSSes::UNFASHIONABLE_ELEMENTS.each do |not_allowed|
      deny_include(not_allowed, @css.elements)
    end
  end
  
  def test_001_h1
    assert_include('h1', @css.elements)
  end
  
  def test_002_h1_with_id
    assert_include('h1#h1_id', @css.elements, 'CSS should include entries for ids')
  end
  
  def test_003_h1_with_class
    assert_include('h1.h1_class', @css.elements, 'CSS should include entries for classes')
  end
  
  def test_004_link_to
    assert_include('a', @css.elements, 'CSS should know that link_to makes anchors')
  end
  
  def test_005_link_to_without_parens
    assert_include('a', @css_without_parens.elements, 'CSS should handle parenthesis-less helper calls')
  end
  
  def test_006_link_to_unless
    assert_include('a', @css_unless.elements, 'CSS should know that link_to_unless makes anchors')
  end
  
  def test_007_anchor_pseudo_class_visited
    assert_include('a:visited', @css.elements, 'CSS should create the visited pseudo-class for anchors')
  end
  
  def test_008_anchor_pseudo_class_hover
    assert_include('a:hover', @css.elements, 'CSS should create the hover pseudo-class for anchors')
  end
  
  def test_009_anchor_pseudo_class_active
    assert_include('a:active', @css.elements, 'CSS should create the active pseudo-class for anchors')
  end
  
  def test_010_anchor_pseudo_class_with_id
    assert_include('a#a_id:visited', @css.elements, 'CSS should handle ids with pseudoclasses')
  end
  
  def test_011_anchor_pseudo_class_with_class
    assert_include('a.a_class:hover', @css.elements, 'CSS should handle classes with pseudoclasses')
  end
  
  def test_012_image_tag
    assert_include('img', @css.elements, 'CSS should know that image_tag makes img tags')
  end
  
  def test_013_image_tag_with_id
    assert_include('img#img_id', @css.elements, 'CSS should handle image_tags with ids')
  end
  
  def test_014_image_tag_with_class
    assert_include('img.img_class', @css.elements, 'CSS should handle image_tags with classes')
  end
  
  def test_015_link_to_with_id
    assert_include('a#link_to_id', @css.elements, 'CSS should handle link_to with ids')
  end
  
  def test_016_link_to_with_class
    assert_include('a.link_to_class', @css.elements, 'CSS should handle link_to with classes')
  end
  
  def test_017_link_to_with_rails_id_not_html_id
    deny_include('a#not_an_html_id', @css.elements, "CSS shouldn't fall for rails ids in link_to calls")
  end
  
  def test_018_form_helpers
    assert_include('label#label_id', @css.elements, 'CSS should handle labels')
  end
  
end