# frozen_string_literal: true

require 'rails_helper'

RSpec.describe SchedulePipeline::SchedulePipeline, type: :service do
  let(:queue_factory) { double(for_name: nil) }

  describe '#initialize' do
    it 'uses 3 queues' do
      described_class.new(queue_factory)
      expect(queue_factory).to have_received(:for_name).with(:fetch_vendor_schedules)
      expect(queue_factory).to have_received(:for_name).with(:unprocessed_schedules)
      expect(queue_factory).to have_received(:for_name).with(:processed_schedules)
    end
  end

  context 'after construction' do
    let(:service) { described_class.new(queue_factory) }
    let(:stages) { (1..3).collect{ double(start: nil, stop: nil) } }

    before { allow(service).to receive(:stages).and_return(stages) }

    describe '#start' do
      it 'starts each stage' do
        service.start
        stages.each { |stg| expect(stg).to have_received(:start).once }
      end
    end

    describe '#stop' do
      it 'stops each stage' do
        service.stop
        stages.each { |stg| expect(stg).to have_received(:stop).once }
      end
    end
  end
end