1 files changed, 13 insertions, 0 deletions
diff --git a/spec/models/merge_request_diff_spec.rb b/spec/models/merge_request_diff_spec.rb
index 47e8f04e728..cbe60b3a4a5 100644
--- a/spec/models/merge_request_diff_spec.rb
+++ b/spec/models/merge_request_diff_spec.rb
@@ -232,4 +232,17 @@ describe MergeRequestDiff do
       expect(commits.map(&:sha)).to match_array(commit_shas)
     end
   end
+
+  describe '#modified_paths' do
+    subject do
+      diff = create(:merge_request_diff)
+      create(:merge_request_diff_file, :new_file, merge_request_diff: diff)
+      create(:merge_request_diff_file, :renamed_file, merge_request_diff: diff)
+      diff
+    end
+
+    it 'returns affected file paths' do
+      expect(subject.modified_paths).to eq(%w{foo bar baz})
+    end
+  end
 end