1 files changed, 22 insertions, 0 deletions
diff --git a/spec/helpers/projects_helper_spec.rb b/spec/helpers/projects_helper_spec.rb
index 85b572d3f68..f563526f9d1 100644
--- a/spec/helpers/projects_helper_spec.rb
+++ b/spec/helpers/projects_helper_spec.rb
@@ -953,4 +953,26 @@ RSpec.describe ProjectsHelper do
       )
     end
   end
+
+  describe '#project_classes' do
+    subject { helper.project_classes(project) }
+
+    it { is_expected.to be_a(String) }
+
+    context 'PUC highlighting enabled' do
+      before do
+        project.warn_about_potentially_unwanted_characters = true
+      end
+
+      it { is_expected.to include('project-highlight-puc') }
+    end
+
+    context 'PUC highlighting disabled' do
+      before do
+        project.warn_about_potentially_unwanted_characters = false
+      end
+
+      it { is_expected.not_to include('project-highlight-puc') }
+    end
+  end
 end