Initial commit

spec/services/schedule_pipeline/schedule_pipeline_spec.rb

@@ -0,0 +1,37 @@
+# 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