[Fix #1801] rename and move html_formatted_description in a generic helper

app/helpers/champ_helper.rb

@@ -2,10 +2,4 @@ module ChampHelper
   def is_not_header_nor_explication?(champ)
     !['header_section', 'explication'].include?(champ.type_champ)
   end
-
-  def html_formatted_description(description)
-    html_formatted = simple_format(description)
-    with_links = html_formatted.gsub(URI.regexp, '<a target="_blank" href="\0">\0</a>')
-    sanitize(with_links, attributes: %w(href target))
-  end
 end

app/helpers/string_to_html_helper.rb

@@ -0,0 +1,7 @@
+module StringToHtmlHelper
+  def string_to_html(str)
+    html_formatted = simple_format(str)
+    with_links = html_formatted.gsub(URI.regexp, '<a target="_blank" href="\0">\0</a>')
+    sanitize(with_links, attributes: %w(href target))
+  end
+end

spec/helpers/string_to_html_helper_spec.rb

@@ -1,6 +1,6 @@
-RSpec.describe ChampHelper, type: :helper do
-  describe "#html_formatted_description" do
-    subject { html_formatted_description(description) }
+RSpec.describe StringToHtmlHelper, type: :helper do
+  describe "#string_to_html" do
+    subject { string_to_html(description) }
 
     context "with some simple texte" do
       let(:description) { "1er ligne \n 2ieme ligne" }