Add conference serializer tests and remove unused functions

spec/serializers/conference_serializer_spec.rb

@@ -0,0 +1,91 @@
+require 'spec_helper'
+describe ConferenceSerializer, type: :serializer do
+  let(:conference) do
+    create(:conference, short_title: 'goto',
+                        description: 'Lorem ipsum dolor sit',
+                        start_date: Date.new(2014, 03, 04),
+                        end_date: Date.new(2014, 03, 10))
+  end
+
+  let(:serializer) { ConferenceSerializer.new(conference) }
+  let(:expected_hash) do
+    {
+      conference: {
+        short_title: 'goto',
+        title: 'The dog and pony show',
+        description: 'Lorem ipsum dolor sit',
+        start_date: '2014-03-04',
+        end_date: '2014-03-10',
+        logo: '/logos/original/missing.png',
+        difficulty_levels:
+          [{id: 1,
+            title: 'Easy',
+            description: 'Events are understandable for everyone without knowledge of the topic.'
+           },
+           {id: 2,
+            title: 'Medium',
+            description: 'Events require a basic understanding of the topic.'
+           },
+           {id: 3,
+            title: 'Hard',
+            description: 'Events require expert knowledge of the topic.'
+           }
+          ],
+        event_types:
+          [{id: 1,
+            title: 'Talk',
+            length: 30,
+            description: 'Presentation in lecture format'
+           },
+           {id: 2,
+            title: 'Workshop',
+            length: 60,
+            description: 'Interactive hands-on practice'
+           }
+          ],
+        rooms: [],
+        tracks: [],
+        date_range: 'March 04 - 10',
+        revision: 1
+      }
+    }
+  end
+
+  context 'conference does not have rooms and tracks' do
+    it 'sets conference attributes with empty room and tracks' do
+      expect(serializer.to_json).to eq expected_hash.to_json
+    end
+  end
+
+  context 'conference has rooms and tracks' do
+    before do
+      venue = create(:venue, conference: conference)
+      _room = create(:room, venue: venue)
+      _track = create(:track, program: conference.program)
+
+      room_hash = {
+        rooms: [{
+            id: 1,
+            size: 4,
+            events: []
+          }
+        ]
+      }
+      track_hash = {
+        tracks: [{
+            id: 1,
+            name: 'Example Track',
+            description: 'Lorem Ipsum dolsum'
+          }
+        ]
+      }
+
+      expected_hash[:conference].merge! room_hash
+      expected_hash[:conference].merge! track_hash
+    end
+
+    it 'sets conference attributes with rooms and tracks' do
+      expect(serializer.to_json).to eq expected_hash.to_json
+    end
+  end
+end