[#10951] Create a cron job to warn user that old brouillon is deleted

spec/jobs/cron/purge_old_brouillon_dossiers_job_spec.rb

@@ -0,0 +1,43 @@
+# frozen_string_literal: true
+
+RSpec.describe Cron::PurgeOldBrouillonDossiersJob, type: :job do
+  let(:procedure) { create(:procedure) }
+
+  let!(:recent_brouillon) { travel_to(3.months.ago) { create(:dossier, :brouillon, procedure: procedure) } }
+  let!(:old_brouillon) { travel_to(5.months.ago) { create(:dossier, :brouillon, procedure: procedure) } }
+  let!(:very_old_brouillon) { travel_to(6.months.ago) { create(:dossier, :brouillon, procedure: procedure) } }
+  let!(:old_en_construction) { travel_to(5.months.ago) { create(:dossier, :en_construction, procedure: procedure) } }
+
+  subject(:perform_job) { described_class.perform_now }
+
+  describe '#perform' do
+    before do
+      allow(DossierMailer).to receive(:notify_old_brouillon_after_deletion).and_return(double(deliver_later: true))
+    end
+
+    it 'hides only old brouillon dossiers' do
+      expect { perform_job }.to change { Dossier.visible_by_user.count }.by(-2)
+
+      expect(Dossier.visible_by_user.pluck(:id)).to match_array([recent_brouillon.id, old_en_construction.id])
+    end
+
+    it 'sends notification emails for each hidden dossier' do
+      perform_job
+
+      expect(DossierMailer).to have_received(:notify_old_brouillon_after_deletion).with(old_brouillon).once
+      expect(DossierMailer).to have_received(:notify_old_brouillon_after_deletion).with(very_old_brouillon).once
+      expect(DossierMailer).not_to have_received(:notify_old_brouillon_after_deletion).with(recent_brouillon)
+      expect(DossierMailer).not_to have_received(:notify_old_brouillon_after_deletion).with(old_en_construction)
+    end
+
+    it 'sets the correct hidden_by attributes' do
+      perform_job
+
+      [old_brouillon, very_old_brouillon].each do |dossier|
+        dossier.reload
+        expect(dossier.hidden_by_expired_at).to be_present
+        expect(dossier.hidden_by_reason).to eq("not_modified_for_a_long_time")
+      end
+    end
+  end
+end