test/helpers/svg_helper_test.rb

   1 # frozen_string_literal: true
   2
   3 require "test_helper"
   4
   5 class SvgHelperTest < ActionView::TestCase
   6   def test_legend_fill
   7     svg = legend_svg_tag("width" => 60, "height" => 40, "fill" => "green")
   8     expected = <<~HTML.gsub(/\n\s*/, "")
   9       <svg width="60" height="40">
  10         <rect width="100%" height="100%" fill="green" />
  11       </svg>
  12     HTML
  13     assert_dom_equal expected, svg
  14   end
  15
  16   def test_legend_border
  17     svg = legend_svg_tag("width" => 60, "height" => 40, "border" => "red")
  18     expected = <<~HTML.gsub(/\n\s*/, "")
  19       <svg width="60" height="40">
  20         <rect x="0.5" y="0.5" width="59" height="39" fill="none" stroke="red" />
  21       </svg>
  22     HTML
  23     assert_dom_equal expected, svg
  24   end
  25
  26   def test_legend_border_width
  27     svg = legend_svg_tag("width" => 60, "height" => 40, "border" => "red", "border-width" => 3)
  28     expected = <<~HTML.gsub(/\n\s*/, "")
  29       <svg width="60" height="40">
  30         <rect x="1.5" y="1.5" width="57" height="37" fill="none" stroke="red" stroke-width="3" />
  31       </svg>
  32     HTML
  33     assert_dom_equal expected, svg
  34   end
  35
  36   def test_legend_border_with_integer_coords
  37     svg = legend_svg_tag("width" => 60, "height" => 40, "border" => "red", "border-width" => 2)
  38     expected = <<~HTML.gsub(/\n\s*/, "")
  39       <svg width="60" height="40">
  40         <rect x="1" y="1" width="58" height="38" fill="none" stroke="red" stroke-width="2" />
  41       </svg>
  42     HTML
  43     assert_dom_equal expected, svg
  44   end
  45
  46   def test_legend_border_fractional_width
  47     svg = legend_svg_tag("width" => 60, "height" => 40, "border" => "red", "border-width" => 1.5)
  48     expected = <<~HTML.gsub(/\n\s*/, "")
  49       <svg width="60" height="40">
  50         <rect x="0.75" y="0.75" width="58.5" height="38.5" fill="none" stroke="red" stroke-width="1.5" />
  51       </svg>
  52     HTML
  53     assert_dom_equal expected, svg
  54   end
  55
  56   def test_legend_line
  57     svg = legend_svg_tag("width" => 80, "height" => 15, "line" => "blue")
  58     expected = <<~HTML.gsub(/\n\s*/, "")
  59       <svg width="80" height="15">
  60         <path d="M0,7.5 H80" stroke="blue" />
  61       </svg>
  62     HTML
  63     assert_dom_equal expected, svg
  64   end
  65
  66   def test_legend_line_width
  67     svg = legend_svg_tag("width" => 80, "height" => 15, "line" => "blue", "line-width" => 3)
  68     expected = <<~HTML.gsub(/\n\s*/, "")
  69       <svg width="80" height="15">
  70         <path d="M0,7.5 H80" stroke="blue" stroke-width="3" />
  71       </svg>
  72     HTML
  73     assert_dom_equal expected, svg
  74   end
  75
  76   def test_legend_line_with_integer_coords
  77     svg = legend_svg_tag("width" => 80, "height" => 20, "line" => "blue")
  78     expected = <<~HTML.gsub(/\n\s*/, "")
  79       <svg width="80" height="20">
  80         <path d="M0,10 H80" stroke="blue" />
  81       </svg>
  82     HTML
  83     assert_dom_equal expected, svg
  84   end
  85
  86   def test_legend_casing
  87     svg = legend_svg_tag("width" => 80, "height" => 20, "casing" => "yellow")
  88     expected = <<~HTML.gsub(/\n\s*/, "")
  89       <svg width="80" height="20">
  90         <path d="M0,0.5 H80 M0,19.5 H80" stroke="yellow" />
  91       </svg>
  92     HTML
  93     assert_dom_equal expected, svg
  94   end
  95
  96   def test_legend_casing_width
  97     svg = legend_svg_tag("width" => 80, "height" => 20, "casing" => "yellow", "casing-width" => 5)
  98     expected = <<~HTML.gsub(/\n\s*/, "")
  99       <svg width="80" height="20">
 100         <path d="M0,2.5 H80 M0,17.5 H80" stroke="yellow" stroke-width="5" />
 101       </svg>
 102     HTML
 103     assert_dom_equal expected, svg
 104   end
 105
 106   def test_legend_casing_with_integer_coords
 107     svg = legend_svg_tag("width" => 80, "height" => 20, "casing" => "yellow", "casing-width" => 2)
 108     expected = <<~HTML.gsub(/\n\s*/, "")
 109       <svg width="80" height="20">
 110         <path d="M0,1 H80 M0,19 H80" stroke="yellow" stroke-width="2" />
 111       </svg>
 112     HTML
 113     assert_dom_equal expected, svg
 114   end
 115 end