1 files changed, 14 insertions, 0 deletions
diff --git a/spec/lib/gitlab/themes_spec.rb b/spec/lib/gitlab/themes_spec.rb
index 68ff28becfa..6d03cf496b8 100644
--- a/spec/lib/gitlab/themes_spec.rb
+++ b/spec/lib/gitlab/themes_spec.rb
@@ -47,4 +47,18 @@ RSpec.describe Gitlab::Themes, lib: true do
       expect(ids).not_to be_empty
     end
   end
+
+  describe 'theme.css_filename' do
+    described_class.each do |theme|
+      next unless theme.css_filename
+
+      context "for #{theme.name}" do
+        it 'returns an existing CSS filename' do
+          css_file_path = Rails.root.join('app/assets/stylesheets/themes', theme.css_filename + '.scss')
+
+          expect(File.exist?(css_file_path)).to eq(true)
+        end
+      end
+    end
+  end
 end