Helpers specs coverage improvement (#23937)

spec/helpers/settings_helper_spec.rb

@@ -0,0 +1,37 @@
+# frozen_string_literal: true
+
+require 'rails_helper'
+
+describe SettingsHelper do
+  describe 'session_device_icon' do
+    context 'with a mobile device' do
+      let(:session) { SessionActivation.new(user_agent: 'Mozilla/5.0 (iPhone)') }
+
+      it 'detects the device and returns a descriptive string' do
+        result = helper.session_device_icon(session)
+
+        expect(result).to eq('mobile')
+      end
+    end
+
+    context 'with a tablet device' do
+      let(:session) { SessionActivation.new(user_agent: 'Mozilla/5.0 (iPad)') }
+
+      it 'detects the device and returns a descriptive string' do
+        result = helper.session_device_icon(session)
+
+        expect(result).to eq('tablet')
+      end
+    end
+
+    context 'with a desktop device' do
+      let(:session) { SessionActivation.new(user_agent: 'Mozilla/5.0 (Macintosh)') }
+
+      it 'detects the device and returns a descriptive string' do
+        result = helper.session_device_icon(session)
+
+        expect(result).to eq('desktop')
+      end
+    end
+  end
+end