Chore: Firebase Cloud Messaging Support (#858)

spec/services/notification/push_notification_service_spec.rb

@@ -0,0 +1,32 @@
+require 'rails_helper'
+
+describe Notification::PushNotificationService do
+  let!(:account) { create(:account) }
+  let!(:user) { create(:user, account: account) }
+  let!(:notification) { create(:notification, user: user, account: user.accounts.first) }
+  let(:fcm_double) { double }
+
+  before do
+    allow(Webpush).to receive(:payload_send).and_return(true)
+    allow(FCM).to receive(:new).and_return(fcm_double)
+    allow(fcm_double).to receive(:send).and_return({ body: { 'results': [] }.to_json })
+  end
+
+  describe '#perform' do
+    it 'sends webpush notifications for webpush subscription' do
+      create(:notification_subscription, user: notification.user)
+
+      described_class.new(notification: notification).perform
+      expect(Webpush).to have_received(:payload_send)
+      expect(FCM).not_to have_received(:new)
+    end
+
+    it 'sends a fcm notification for firebase subscription' do
+      create(:notification_subscription, user: notification.user, subscription_type: 'fcm')
+
+      described_class.new(notification: notification).perform
+      expect(FCM).to have_received(:new)
+      expect(Webpush).not_to have_received(:payload_send)
+    end
+  end
+end