1 files changed, 16 insertions, 0 deletions
diff --git a/spec/workers/create_note_diff_file_worker_spec.rb b/spec/workers/create_note_diff_file_worker_spec.rb
new file mode 100644
index 00000000000..0ac946a1232
--- /dev/null
+++ b/spec/workers/create_note_diff_file_worker_spec.rb
@@ -0,0 +1,16 @@
+require 'spec_helper'
+
+describe CreateNoteDiffFileWorker do
+  describe '#perform' do
+    let(:diff_note) { create(:diff_note_on_merge_request) }
+
+    it 'creates diff file' do
+      diff_note.note_diff_file.destroy!
+
+      expect_any_instance_of(DiffNote).to receive(:create_diff_file)
+        .and_call_original
+
+      described_class.new.perform(diff_note.id)
+    end
+  end
+end