test_rule_set_creating_shorthand.rb

# frozen_string_literal: true

require_relative 'test_helper'

# Test cases for reading and generating CSS shorthand properties
class RuleSetCreatingShorthandTests < Minitest::Test
  include CssParser

  def setup
    @cp = CssParser::Parser.new
  end

  # Border shorthand
  def test_combining_borders_into_shorthand
    properties = {
      'border-top-width' => 'auto', 'border-right-width' => 'thin', 'border-bottom-width' => 'auto',
      'border-left-width' => '0px'
    }

    combined = create_shorthand(properties)

    assert_equal('', combined['border'])
    assert_equal('auto thin auto 0px;', combined['border-width'])

    # after creating shorthand, all long-hand properties should be deleted
    assert_properties_are_deleted(combined, properties)

    # should not combine if any properties are missing
    properties.delete('border-top-width')

    combined = create_shorthand(properties)

    assert_equal '', combined['border-width']

    properties = {'border-width' => '22%', 'border-color' => 'rgba(255, 0, 0)'}
    combined = create_shorthand(properties)
    assert_equal '22% rgba(255, 0, 0);', combined['border']
    assert_equal '', combined['border-width']

    properties = {
      'border-top-style' => 'none', 'border-right-style' => 'none', 'border-bottom-style' => 'none',
      'border-left-style' => 'none'
    }
    combined = create_shorthand(properties)
    assert_equal 'none;', combined['border']

    properties = {
      'border-top-color' => '#bada55', 'border-right-color' => '#000000', 'border-bottom-color' => '#ffffff',
      'border-left-color' => '#ff0000'
    }
    combined = create_shorthand(properties)
    assert_equal '#bada55 #000000 #ffffff #ff0000;', combined['border-color']

    # should not combine if individual side property is set
    properties = {
      'border-top-style' => 'none',
      'border-width' => '1px',
      'border-style' => 'solid',
      'border-color' => 'black'
    }
    combined = create_shorthand(properties)
    assert_equal '', combined['border']
  end

  # Dimensions shorthand
  def test_combining_dimensions_into_shorthand
    properties = {
      'margin-right' => 'auto', 'margin-bottom' => '0px', 'margin-left' => 'auto', 'margin-top' => '0px',
      'padding-right' => '1.25em', 'padding-bottom' => '11%', 'padding-left' => '3pc', 'padding-top' => '11.25ex'
    }

    combined = create_shorthand(properties)

    assert_equal('0px auto;', combined['margin'])
    assert_equal('11.25ex 1.25em 11% 3pc;', combined['padding'])

    # after creating shorthand, all long-hand properties should be deleted
    assert_properties_are_deleted(combined, properties)

    # should not combine if any properties are missing
    properties.delete('margin-right')
    properties.delete('padding-right')

    combined = create_shorthand(properties)

    assert_equal '', combined['margin']
    assert_equal '', combined['padding']
  end

  # Dimensions shorthand, auto property
  def test_combining_dimensions_into_shorthand_with_auto
    rs = RuleSet.new('#page', "margin: 0; margin-left: auto; margin-right: auto;")
    rs.expand_shorthand!
    assert_equal('auto;', rs['margin-left'])
    rs.create_shorthand!
    assert_equal('0 auto;', rs['margin'])
  end

  # Font shorthand
  def test_combining_font_into_shorthand
    # should combine if all font properties are present
    properties = {
      "font-weight" => "300", "font-size" => "12pt",
      "font-family" => "sans-serif", "line-height" => "18px",
      "font-style" => "oblique", "font-variant" => "small-caps"
    }

    combined = create_shorthand(properties)
    assert_equal('oblique small-caps 300 12pt/18px sans-serif;', combined['font'])

    # after creating shorthand, all long-hand properties should be deleted
    assert_properties_are_deleted(combined, properties)

    # should not combine if any properties are missing
    properties.delete('font-weight')
    combined = create_shorthand(properties)
    assert_equal '', combined['font']
  end

  # Background shorthand
  def test_combining_background_into_shorthand
    properties = {
      'background-image' => 'url(\'chess.png\')', 'background-color' => 'gray',
      'background-position' => 'center -10.2%', 'background-attachment' => 'fixed',
      'background-repeat' => 'no-repeat'
    }

    combined = create_shorthand(properties)

    assert_equal('gray url(\'chess.png\') no-repeat center -10.2% fixed;', combined['background'])

    # after creating shorthand, all long-hand properties should be deleted
    assert_properties_are_deleted(combined, properties)
  end

  def test_combining_background_with_size_into_shorthand
    properties = {
      'background-image' => 'url(\'chess.png\')', 'background-color' => 'gray',
      'background-position' => 'center -10.2%', 'background-attachment' => 'fixed',
      'background-repeat' => 'no-repeat', 'background-size' => '50% 100%'
    }

    combined = create_shorthand(properties)

    assert_equal('gray url(\'chess.png\') no-repeat center -10.2% / 50% 100% fixed;', combined['background'])

    # after creating shorthand, all long-hand properties should be deleted
    assert_properties_are_deleted(combined, properties)
  end

  def test_combining_background_with_size_and_no_position_into_shorthand
    properties = {
      'background-image' => 'url(\'chess.png\')', 'background-color' => 'gray',
      'background-attachment' => 'fixed', 'background-repeat' => 'no-repeat',
      'background-size' => '50% 100%'
    }

    combined = create_shorthand(properties)

    assert_equal('gray url(\'chess.png\') no-repeat 0% 0% / 50% 100% fixed;', combined['background'])

    # after creating shorthand, all long-hand properties should be deleted
    assert_properties_are_deleted(combined, properties)
  end

  # List-style shorthand
  def test_combining_list_style_into_shorthand
    properties = {
      'list-style-image' => 'url(\'chess.png\')', 'list-style-type' => 'katakana',
      'list-style-position' => 'inside'
    }

    combined = create_shorthand(properties)

    assert_equal('katakana inside url(\'chess.png\');', combined['list-style'])

    # after creating shorthand, all long-hand properties should be deleted
    assert_properties_are_deleted(combined, properties)
  end

  def test_property_values_in_url
    rs = RuleSet.new('#header', "background:url(http://example.com/1528/www/top-logo.jpg) no-repeat top right; padding: 79px 0 10px 0;  text-align:left;")
    rs.expand_shorthand!
    assert_equal('top right;', rs['background-position'])
    rs.create_shorthand!
    assert_equal('url(http://example.com/1528/www/top-logo.jpg) no-repeat top right;', rs['background'])
  end

  def test_a_single_property_is_not_shorted
    properties = {'background-color' => 'gray'}
    combined = create_shorthand(properties)

    assert_equal('gray;', combined['background-color'])
    assert_equal('', combined['background'])
  end

protected

  def assert_properties_are_deleted(ruleset, properties)
    properties.each do |property, _value|
      assert_equal '', ruleset[property]
    end
  end

  def create_shorthand(properties)
    ruleset = RuleSet.new(nil, nil)
    properties.each do |property, value|
      ruleset[property] = value
    end
    ruleset.create_shorthand!
    ruleset
  end
end