1 files changed, 37 insertions, 0 deletions
diff --git a/spec/lib/gitlab/ci/variables/collection_spec.rb b/spec/lib/gitlab/ci/variables/collection_spec.rb
index 8ac03301322..7d4a1eef70b 100644
--- a/spec/lib/gitlab/ci/variables/collection_spec.rb
+++ b/spec/lib/gitlab/ci/variables/collection_spec.rb
@@ -571,5 +571,42 @@ RSpec.describe Gitlab::Ci::Variables::Collection do
         end
       end
     end
+
+    context 'with the file_variable_is_referenced_in_another_variable logging' do
+      let(:collection) do
+        Gitlab::Ci::Variables::Collection.new
+                       .append(key: 'VAR1', value: 'test-1')
+                       .append(key: 'VAR2', value: '$VAR1')
+                       .append(key: 'VAR3', value: '$VAR1', raw: true)
+                       .append(key: 'FILEVAR4', value: 'file-test-4', file: true)
+                       .append(key: 'VAR5', value: '$FILEVAR4')
+                       .append(key: 'VAR6', value: '$FILEVAR4', raw: true)
+      end
+
+      subject(:sort_and_expand_all) { collection.sort_and_expand_all(project: project) }
+
+      context 'when a project is not passed' do
+        let(:project) {}
+
+        it 'does not log anything' do
+          expect(Gitlab::AppJsonLogger).not_to receive(:info)
+
+          sort_and_expand_all
+        end
+      end
+
+      context 'when a project is passed' do
+        let(:project) { create(:project) }
+
+        it 'logs file_variable_is_referenced_in_another_variable once for VAR5' do
+          expect(Gitlab::AppJsonLogger).to receive(:info).with(
+            event: 'file_variable_is_referenced_in_another_variable',
+            project_id: project.id
+          ).once
+
+          sort_and_expand_all
+        end
+      end
+    end
   end
 end