[feat]Implement FullCalendar#rooms_to_resources and add tests

app/controllers/schedules_controller.rb

@@ -109,6 +109,7 @@ class SchedulesController < ApplicationController
         @event_schedules_by_room_id = event_schedules.select { |s| @selected_schedules_ids.include?(s.schedule_id) }.group_by(&:room_id)
       end
     end
+  end
 
   def app
     @qr_code = RQRCode::QRCode.new(conference_schedule_url).as_svg(offset: 20, color: '000', shape_rendering: 'crispEdges', module_size: 11)

app/services/full_calendar_formatter.rb

@@ -1,3 +1,16 @@
 class FullCalendarFormatter
-  def rooms_to_resources(rooms); end
+  def self.rooms_to_resources(rooms)
+    rooms.map { |room| room_to_resource(room) }.to_json
+  end
+
+  def self.event_schedules_to_resources(event_schedules); end
+
+  private_class_method
+
+  def self.room_to_resource(room)
+    {
+      id:    room.guid,
+      title: room.name
+    }
+  end
 end

spec/features/conference_schedule_spec.rb

@@ -9,6 +9,10 @@ feature Schedule do
       before(:each) do
         visit vertical_schedule_conference_schedule_path
       end
+
+      it 'returns a successful response' do
+        expect(response.status).to eq(200)
+      end
     end
   end
 end

spec/services/full_calendar_formatter_spec.rb

@@ -3,12 +3,24 @@
 require 'spec_helper'
 
 describe FullCalendarFormatter do
-  let!(:room0) { create(:room) }
   let!(:room1) { create(:room) }
+  let!(:room2) { create(:room) }
 
   describe 'JSON formatting for FullCalendar' do
     it 'translates rooms to resources' do
-      room_list = [room1, room2] # TODO
+      rooms = [room1, room2]
+      resources = described_class.rooms_to_resources(rooms)
+      expected_json = [
+        {
+          id:    room1.guid,
+          title: room1.name
+        },
+        {
+          id:    room2.guid,
+          title: room2.name
+        }
+      ].to_json
+      expect(resources).to eq(expected_json)
     end
   end
 end