Feature: Twilio SMS Channel (#658)

Twilio SMS Channel
Fixes :  #350

spec/services/twilio/webhook_setup_service_spec.rb

@@ -0,0 +1,48 @@
+require 'rails_helper'
+
+describe Twilio::WebhookSetupService do
+  include Rails.application.routes.url_helpers
+
+  let(:channel_twilio_sms) { create(:channel_twilio_sms) }
+  let(:twilio_client) { instance_double(::Twilio::REST::Client) }
+  let(:phone_double) { instance_double('phone_double') }
+  let(:phone_record_double) { instance_double('phone_record_double') }
+
+  before do
+    allow(::Twilio::REST::Client).to receive(:new).and_return(twilio_client)
+    allow(phone_double).to receive(:update)
+    allow(phone_record_double).to receive(:sid).and_return('1234')
+  end
+
+  describe '#perform' do
+    it 'logs error if phone_number is not found' do
+      allow(twilio_client).to receive(:incoming_phone_numbers).and_return(phone_double)
+      allow(phone_double).to receive(:list).and_return([])
+
+      described_class.new(inbox: channel_twilio_sms.inbox).perform
+
+      expect(phone_double).not_to have_received(:update)
+    end
+
+    it 'update webhook_url if phone_number is found' do
+      allow(twilio_client).to receive(:incoming_phone_numbers).and_return(phone_double)
+      allow(phone_double).to receive(:list).and_return([phone_record_double])
+
+      described_class.new(inbox: channel_twilio_sms.inbox).perform
+
+      expect(phone_double).to have_received(:update).with(
+        sms_method: 'POST',
+        sms_url: twilio_callback_index_url
+      )
+    end
+
+    it 'doesnot call update if TwilioError is thrown' do
+      allow(twilio_client).to receive(:incoming_phone_numbers).and_return(phone_double)
+      allow(phone_double).to receive(:list).and_raise(Twilio::REST::TwilioError)
+
+      described_class.new(inbox: channel_twilio_sms.inbox).perform
+
+      expect(phone_double).not_to have_received(:update)
+    end
+  end
+end