test/helpers/svg_helper_test.rb

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