require 'test_helper'

module FunnyFilter
  def make_funny(input)
    'LOL'
  end

  def cite_funny(input)
    "LOL: #{input}"
  end

  def add_smiley(input, smiley = ":-)")
    "#{input} #{smiley}"
  end

  def add_tag(input, tag = "p", id = "foo")
    %(<#{tag} id="#{id}">#{input}</#{tag}>)
  end

  def paragraph(input)
    "<p>#{input}</p>"
  end

  def link_to(name, url)
    %(<a href="#{url}">#{name}</a>)
  end
end

class OutputTest < Minitest::Test
  include Liquid

  def setup
    @assigns = {
      'best_cars' => 'bmw',
      'car' => { 'bmw' => 'good', 'gm' => 'bad' }
    }
  end

  def test_variable
    text = %( {{best_cars}} )

    expected = %( bmw )
    assert_equal expected, Template.parse(text).render!(@assigns)
  end

  def test_variable_traversing_with_two_brackets
    text = %({{ site.data.menu[include.menu][include.locale] }})
    assert_equal "it works!", Template.parse(text).render!(
      "site" => { "data" => { "menu" => { "foo" => { "bar" => "it works!" } } } },
      "include" => { "menu" => "foo", "locale" => "bar" }
    )
  end

  def test_variable_traversing
    text = %( {{car.bmw}} {{car.gm}} {{car.bmw}} )

    expected = %( good bad good )
    assert_equal expected, Template.parse(text).render!(@assigns)
  end

  def test_variable_piping
    text = %( {{ car.gm | make_funny }} )
    expected = %( LOL )

    assert_equal expected, Template.parse(text).render!(@assigns, filters: [FunnyFilter])
  end

  def test_variable_piping_with_input
    text = %( {{ car.gm | cite_funny }} )
    expected = %( LOL: bad )

    assert_equal expected, Template.parse(text).render!(@assigns, filters: [FunnyFilter])
  end

  def test_variable_piping_with_args
    text = %! {{ car.gm | add_smiley : ':-(' }} !
    expected = %| bad :-( |

    assert_equal expected, Template.parse(text).render!(@assigns, filters: [FunnyFilter])
  end

  def test_variable_piping_with_no_args
    text = %( {{ car.gm | add_smiley }} )
    expected = %| bad :-) |

    assert_equal expected, Template.parse(text).render!(@assigns, filters: [FunnyFilter])
  end

  def test_multiple_variable_piping_with_args
    text = %! {{ car.gm | add_smiley : ':-(' | add_smiley : ':-('}} !
    expected = %| bad :-( :-( |

    assert_equal expected, Template.parse(text).render!(@assigns, filters: [FunnyFilter])
  end

  def test_variable_piping_with_multiple_args
    text = %( {{ car.gm | add_tag : 'span', 'bar'}} )
    expected = %( <span id="bar">bad</span> )

    assert_equal expected, Template.parse(text).render!(@assigns, filters: [FunnyFilter])
  end

  def test_variable_piping_with_variable_args
    text = %( {{ car.gm | add_tag : 'span', car.bmw}} )
    expected = %( <span id="good">bad</span> )

    assert_equal expected, Template.parse(text).render!(@assigns, filters: [FunnyFilter])
  end

  def test_multiple_pipings
    text = %( {{ best_cars | cite_funny | paragraph }} )
    expected = %( <p>LOL: bmw</p> )

    assert_equal expected, Template.parse(text).render!(@assigns, filters: [FunnyFilter])
  end

  def test_link_to
    text = %( {{ 'Typo' | link_to: 'http://typo.leetsoft.com' }} )
    expected = %( <a href="http://typo.leetsoft.com">Typo</a> )

    assert_equal expected, Template.parse(text).render!(@assigns, filters: [FunnyFilter])
  end
end # OutputTest