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

spec/helpers/string_to_html_helper_spec.rb

@@ -0,0 +1,29 @@
+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" }
+
+      it { is_expected.to eq("<p>1er ligne \n<br> 2ieme ligne</p>") }
+    end
+
+    context "with a link" do
+      let(:description) { "https://d-s.fr" }
+
+      it { is_expected.to eq("<p><a target=\"_blank\" href=\"https://d-s.fr\">https://d-s.fr</a></p>") }
+    end
+
+    context "with empty decription" do
+      let(:description) { nil }
+
+      it { is_expected.to eq('<p></p>') }
+    end
+
+    context "with a bad script" do
+      let(:description) { '<script>bad</script>' }
+
+      it { is_expected.to eq('<p>bad</p>') }
+    end
+  end
+end