require 'rails_helper' RSpec.describe ActiveJobLockCleanupJobScheduler, type: :db_migration do let(:scheduler_method) { 'ActiveJobLockCleanupJob.perform_now' } context 'New system', system_init_done: false do it 'has no work to do' do expect { migrate }.not_to change { Scheduler.exists?(method: scheduler_method) }.from(true) end end context 'System that is already set up' do before do Scheduler.find_by(method: scheduler_method).destroy! end it 'creates Scheduler' do expect { migrate }.to change { Scheduler.exists?(method: scheduler_method) } end end end