1 files changed, 41 insertions, 0 deletions
diff --git a/spec/migrations/schedule_merge_request_cleanup_schedules_backfill_spec.rb b/spec/migrations/schedule_merge_request_cleanup_schedules_backfill_spec.rb
new file mode 100644
index 00000000000..fa8dd38619a
--- /dev/null
+++ b/spec/migrations/schedule_merge_request_cleanup_schedules_backfill_spec.rb
@@ -0,0 +1,41 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+require_migration!
+
+RSpec.describe ScheduleMergeRequestCleanupSchedulesBackfill, :sidekiq, schema: 20201023114628 do
+  let(:merge_requests) { table(:merge_requests) }
+  let(:cleanup_schedules) { table(:merge_request_cleanup_schedules) }
+
+  let(:namespace) { table(:namespaces).create!(name: 'name', path: 'path') }
+  let(:project) { table(:projects).create!(namespace_id: namespace.id) }
+
+  describe '#up' do
+    let!(:open_mr) { merge_requests.create!(target_project_id: project.id, source_branch: 'master', target_branch: 'master') }
+
+    let!(:closed_mr_1) { merge_requests.create!(target_project_id: project.id, source_branch: 'master', target_branch: 'master', state_id: 2) }
+    let!(:closed_mr_2) { merge_requests.create!(target_project_id: project.id, source_branch: 'master', target_branch: 'master', state_id: 2) }
+
+    let!(:merged_mr_1) { merge_requests.create!(target_project_id: project.id, source_branch: 'master', target_branch: 'master', state_id: 3) }
+    let!(:merged_mr_2) { merge_requests.create!(target_project_id: project.id, source_branch: 'master', target_branch: 'master', state_id: 3) }
+
+    before do
+      stub_const("#{described_class}::BATCH_SIZE", 2)
+    end
+
+    it 'schdules BackfillMergeRequestCleanupSchedules background jobs' do
+      Sidekiq::Testing.fake! do
+        migrate!
+
+        aggregate_failures do
+          expect(described_class::MIGRATION)
+            .to be_scheduled_delayed_migration(2.minutes, closed_mr_1.id, closed_mr_2.id)
+          expect(described_class::MIGRATION)
+            .to be_scheduled_delayed_migration(4.minutes, merged_mr_1.id, merged_mr_2.id)
+          expect(BackgroundMigrationWorker.jobs.size).to eq(2)
+        end
+      end
+    end
+  end
+end