Testing nested workers in sidekiq

sidekiq_nested_test.rb

# Prepared for https://stackoverflow.com/questions/70790708/testing-enque-of-nested-worker-from-another-sidekiq-worker

require 'sidekiq'
require 'sidekiq/testing'
require 'rspec'

class WorkerOne
  include Sidekiq::Worker

  def perform(arg_1, arg_2)
    # some calculation figure out arg_3
    arg_3 = arg_1 + 10
    WorkerTwo.perform_async(arg_3, arg_2)
  end
end

class WorkerTwo
  include Sidekiq::Worker

  def perform(arg_3, arg_2)
    # some heavy lifting
  end
end

RSpec.describe WorkerOne do
  describe '#perform' do
    it 'schedules WorkerTwo' do
      expect {
        WorkerOne.new.perform(10, 15)
      }.to change(WorkerTwo.jobs, :size).by(1)
    end
  end
end