1 files changed, 33 insertions, 0 deletions
diff --git a/spec/migrations/migrate_object_storage_upload_sidekiq_queue_spec.rb b/spec/migrations/migrate_object_storage_upload_sidekiq_queue_spec.rb
new file mode 100644
index 00000000000..1ee6c440cf4
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+++ b/spec/migrations/migrate_object_storage_upload_sidekiq_queue_spec.rb
@@ -0,0 +1,33 @@
+require 'spec_helper'
+require Rails.root.join('db', 'post_migrate', '20180603190921_migrate_object_storage_upload_sidekiq_queue.rb')
+
+describe MigrateObjectStorageUploadSidekiqQueue, :sidekiq, :redis do
+  include Gitlab::Database::MigrationHelpers
+
+  context 'when there are jobs in the queue' do
+    it 'correctly migrates queue when migrating up' do
+      Sidekiq::Testing.disable! do
+        stubbed_worker(queue: 'object_storage_upload').perform_async('Something', [1])
+        stubbed_worker(queue: 'object_storage:object_storage_background_move').perform_async('Something', [1])
+
+        described_class.new.up
+
+        expect(sidekiq_queue_length('object_storage_upload')).to eq 0
+        expect(sidekiq_queue_length('object_storage:object_storage_background_move')).to eq 2
+      end
+    end
+  end
+
+  context 'when there are no jobs in the queues' do
+    it 'does not raise error when migrating up' do
+      expect { described_class.new.up }.not_to raise_error
+    end
+  end
+
+  def stubbed_worker(queue:)
+    Class.new do
+      include Sidekiq::Worker
+      sidekiq_options queue: queue
+    end
+  end
+end