active_job_retry.rb

describe ApiJob, type: :job do
  include ActiveJob::TestHelper

  subject(:job) { described_class.perform_later() }

  it 'handles status 429' do
    allow(ApiClient).to receive(:make_request).and_raise(RestClient::RequestFailed)

    perform_enqueued_jobs do
      expect_any_instance_of(described_class).to receive(:retry_job).with(wait: 15.seconds)

      job
    end
  end
end