Add ability to email announcements to all users (#33928)

spec/workers/admin/distribute_announcement_notification_worker_spec.rb

@@ -0,0 +1,32 @@
+# frozen_string_literal: true
+
+require 'rails_helper'
+
+RSpec.describe Admin::DistributeAnnouncementNotificationWorker do
+  let(:worker) { described_class.new }
+
+  describe '#perform' do
+    context 'with missing record' do
+      it 'runs without error' do
+        expect { worker.perform(nil) }.to_not raise_error
+      end
+    end
+
+    context 'with valid announcement' do
+      let(:announcement) { Fabricate(:announcement) }
+      let!(:user) { Fabricate :user, confirmed_at: 3.days.ago }
+
+      it 'sends the announcement via email', :inline_jobs do
+        emails = capture_emails { worker.perform(announcement.id) }
+
+        expect(emails.size)
+          .to eq(1)
+        expect(emails.first)
+          .to have_attributes(
+            to: [user.email],
+            subject: I18n.t('user_mailer.announcement_published.subject')
+          )
+      end
+    end
+  end
+end