require 'test/unit'
require './clothesline'

class ClothAdd < String
  def initialize(str, restrictions = [])
    super str
  end

  def to_html(options = {})
    (options[:prefix] || "foo") + self
  end
end

class ClothReverse < String
  def initialize(str, restrictions = [])
    super str
  end

  def to_html(dont = false)
    unless dont
      self.reverse
    else
      self
    end
  end
end

module Override
  class ClothReverse < String
    def initialize(str)
      super str
    end

    alias_method :to_html, :to_s
  end
end

class TestClothesLine < Test::Unit::TestCase
  def test_single
    c = ClothesLine.new(ClothAdd)
    assert_equal "foobar", c.new("bar").to_html
    assert_equal "footsteps", c.new("tsteps").to_html
  end

  def test_multiple
    c = ClothesLine.new(ClothAdd, ClothReverse)
    assert_equal "raboof", c.new("bar").to_html
    assert_equal "spetstoof", c.new("tsteps").to_html
  end

  def test_parametrized
    c = ClothesLine.new([ClothAdd, {:prefix => "quux"}])
    assert_equal "quuxbar", c.new("bar").to_html
    assert_equal "quuxtsteps", c.new("tsteps").to_html

    c = ClothesLine.new([ClothAdd, {:prefix => "quux"}], [ClothReverse, true])
    assert_equal "quuxbar", c.new("bar").to_html
    assert_equal "quuxtsteps", c.new("tsteps").to_html
  end

  def test_parsing
    c = ClothesLine.parse("ClothAdd ClothReverse")
    assert_equal "raboof", c.new("bar").to_html
    assert_equal "spetstoof", c.new("tsteps").to_html

    assert_equal ClothesLine.parse("ClothAdd ClothReverse"),
                 ClothesLine.parse("ClothAdd, ClothReverse")

    assert_equal ClothesLine.parse("ClothAdd ClothReverse"),
                 ClothesLine.parse("ClothAdd | ClothReverse")

    assert_equal "ClothAdd ClothReverse",
                 ClothesLine.parse("ClothAdd ClothReverse").to_clothesline

    assert_equal "ClothAdd ClothReverse",
                 ClothesLine.parse("ClothAdd, ClothReverse").to_clothesline

    assert_equal "ClothAdd ClothReverse",
                 ClothesLine.parse("ClothAdd | ClothReverse").to_clothesline

  end

  def test_parsing_requires
    c = ClothesLine.parse("BlueCloth ClothReverse")
    assert_equal ">p/<rab>p<", c.new("bar").to_html
    assert_equal ">p/<>me/<s>me<petst>p<", c.new("tstep*s*").to_html

    c = ClothesLine.parse("ClothReverse RedCloth")
    assert_equal "<p>rab</p>", c.new("bar").to_html
    assert_equal "<p>!<strong>s</strong> petst</p>", c.new("tstep *s*!").to_html
  end

  def test_parsing_overrides
    c = ClothesLine.parse("BlueCloth ClothReverse", Override)
    assert_equal "<p>bar</p>", c.new("bar").to_html
    assert_equal "<p>tstep<em>s</em></p>", c.new("tstep*s*").to_html

    c = ClothesLine.parse("ClothReverse RedCloth", Override)
    assert_equal "<p>bar</p>", c.new("bar").to_html
    assert_equal "<p>tstep <strong>s</strong>!</p>", c.new("tstep *s*!").to_html

    assert_equal "ClothReverse RedCloth", c.to_clothesline
  end
end