X-Git-Url: https://git.openstreetmap.org/rails.git/blobdiff_plain/783b5e3729228908d7404ae7404af1023501a906..374668c7cc06da7e76f5d447056d13022947886c:/test/helpers/browse_tags_helper_test.rb

diff --git a/test/helpers/browse_tags_helper_test.rb b/test/helpers/browse_tags_helper_test.rb
index 195bd69de..222c7c669 100644
--- a/test/helpers/browse_tags_helper_test.rb
+++ b/test/helpers/browse_tags_helper_test.rb
@@ -47,6 +47,9 @@ class BrowseTagsHelperTest < ActionView::TestCase
 
     html = format_value("name:etymology:wikidata", "Q123")
     assert_dom_equal "<a title=\"The Q123 item on Wikidata\" href=\"//www.wikidata.org/entity/Q123?uselang=en\">Q123</a>", html
+
+    html = format_value("colour", "#f00")
+    assert_dom_equal %(<span class="colour-preview-box" data-colour="#f00" title="Colour #f00 preview"></span>#f00), html
   end
 
   def test_wiki_link
@@ -260,4 +263,106 @@ class BrowseTagsHelperTest < ActionView::TestCase
     assert_equal "+22(33)4455.66.7788", links[1][:phone_number]
     assert_equal "tel:+22(33)4455.66.7788", links[1][:url]
   end
+
+  def test_colour_preview
+    # basic positive tests
+    colour = colour_preview("colour", "red")
+    assert_equal "red", colour
+
+    colour = colour_preview("colour", "Red")
+    assert_equal "Red", colour
+
+    colour = colour_preview("colour", "darkRed")
+    assert_equal "darkRed", colour
+
+    colour = colour_preview("colour", "#f00")
+    assert_equal "#f00", colour
+
+    colour = colour_preview("colour", "#fF0000")
+    assert_equal "#fF0000", colour
+
+    # other tag variants:
+    colour = colour_preview("building:colour", "#f00")
+    assert_equal "#f00", colour
+
+    colour = colour_preview("ref:colour", "#f00")
+    assert_equal "#f00", colour
+
+    colour = colour_preview("int_ref:colour", "green")
+    assert_equal "green", colour
+
+    colour = colour_preview("roof:colour", "#f00")
+    assert_equal "#f00", colour
+
+    colour = colour_preview("seamark:beacon_lateral:colour", "#f00")
+    assert_equal "#f00", colour
+
+    # negative tests:
+    colour = colour_preview("colour", "")
+    assert_nil colour
+
+    colour = colour_preview("colour", "   ")
+    assert_nil colour
+
+    colour = colour_preview("colour", nil)
+    assert_nil colour
+
+    # ignore US spelling variant
+    colour = colour_preview("color", "red")
+    assert_nil colour
+
+    # irrelevant tag names
+    colour = colour_preview("building", "red")
+    assert_nil colour
+
+    colour = colour_preview("ref:colour_no", "red")
+    assert_nil colour
+
+    colour = colour_preview("ref:colour-bg", "red")
+    assert_nil colour
+
+    colour = colour_preview("int_ref", "red")
+    assert_nil colour
+
+    # invalid hex codes
+    colour = colour_preview("colour", "#")
+    assert_nil colour
+
+    colour = colour_preview("colour", "#ff")
+    assert_nil colour
+
+    colour = colour_preview("colour", "#ffff")
+    assert_nil colour
+
+    colour = colour_preview("colour", "#fffffff")
+    assert_nil colour
+
+    colour = colour_preview("colour", "#ggg")
+    assert_nil colour
+
+    colour = colour_preview("colour", "#ff 00 00")
+    assert_nil colour
+
+    # invalid w3c color names:
+    colour = colour_preview("colour", "r")
+    assert_nil colour
+
+    colour = colour_preview("colour", "ffffff")
+    assert_nil colour
+
+    colour = colour_preview("colour", "f00")
+    assert_nil colour
+
+    colour = colour_preview("colour", "xxxred")
+    assert_nil colour
+
+    colour = colour_preview("colour", "dark red")
+    assert_nil colour
+
+    colour = colour_preview("colour", "dark_red")
+    assert_nil colour
+
+    colour = colour_preview("colour", "ADarkDummyLongColourNameWithAPurpleUndertone")
+    assert_nil colour
+  end
 end