1 files changed, 26 insertions, 0 deletions
diff --git a/spec/migrations/20220331133802_schedule_backfill_topics_title_spec.rb b/spec/migrations/20220331133802_schedule_backfill_topics_title_spec.rb
new file mode 100644
index 00000000000..13e8c42269b
--- /dev/null
+++ b/spec/migrations/20220331133802_schedule_backfill_topics_title_spec.rb
@@ -0,0 +1,26 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+require_migration!
+
+RSpec.describe ScheduleBackfillTopicsTitle do
+  let(:topics) { table(:topics) }
+
+  let!(:topic1) { topics.create!(name: 'topic1') }
+  let!(:topic2) { topics.create!(name: 'topic2') }
+  let!(:topic3) { topics.create!(name: 'topic3') }
+
+  it 'correctly schedules background migrations', :aggregate_failures do
+    stub_const("#{Gitlab::Database::Migrations::BackgroundMigrationHelpers}::BATCH_SIZE", 2)
+
+    Sidekiq::Testing.fake! do
+      freeze_time do
+        migrate!
+
+        expect(described_class::MIGRATION).to be_scheduled_delayed_migration(2.minutes, topic1.id, topic2.id)
+        expect(described_class::MIGRATION).to be_scheduled_delayed_migration(4.minutes, topic3.id, topic3.id)
+        expect(BackgroundMigrationWorker.jobs.size).to eq(2)
+      end
+    end
+  end
+end