Improve messagerie readability

spec/helpers/commentaire_helper_spec.rb

@@ -0,0 +1,21 @@
+require 'rails_helper'
+
+RSpec.describe CommentaireHelper, type: :helper do
+  describe ".commentaire_is_from_me_class" do
+    let(:commentaire) { create(:commentaire, email: "michel@pref.fr") }
+
+    subject { commentaire_is_from_me_class(commentaire, me) }
+
+    context "when commentaire is from me" do
+      let(:me) { "michel@pref.fr" }
+
+      it { is_expected.to eq("from-me") }
+    end
+
+    context "when commentaire is not from me" do
+      let(:me) { "roger@usager.fr" }
+
+      it { is_expected.to eq nil }
+    end
+  end
+end