Adds model and controller tests for Question.

spec/models/answer_spec.rb

@@ -0,0 +1,39 @@
+require 'spec_helper'
+
+describe Answer do
+  let(:conference) { create(:conference) }
+  let(:question) { create(:question) }
+  let(:second_answer) { create(:second_answer) }
+  let(:registration) { create(:registration, conference: conference) }
+
+  describe 'validations' do
+
+    it 'has a valid factory' do
+      expect(build(:answer)).to be_valid
+    end
+
+    it 'is not valid without a title' do
+      should validate_presence_of(:title)
+      expect(build(:answer, title: nil)).not_to be_valid
+    end
+
+    it 'cannot be modified if the question is being used' do
+      question.answers << second_answer
+      second_answer.title = 'new title'
+
+      expect(second_answer.valid?).to be false
+    end
+
+  end
+
+  describe '#sum_replies' do
+    before :each do
+      conference.questions << question
+      registration.qanswers << create(:qanswer, question: question, answer: second_answer)
+    end
+
+    it 'returns no of replies for the answer, given a question and a conference' do
+      expect(second_answer.sum_replies(question, conference)).to eq 1
+    end
+  end
+end

spec/models/question_spec.rb

@@ -0,0 +1,22 @@
+require 'spec_helper'
+
+describe Question do
+
+  describe 'validations' do
+
+    it 'has a valid factory' do
+      expect(build(:question)).to be_valid
+    end
+
+    it 'is not valid without a title' do
+      should validate_presence_of(:title)
+      expect(build(:question, title: nil)).not_to be_valid
+    end
+
+    it 'is not valid without a question type' do
+      should validate_presence_of(:question_type_id)
+      expect(build(:question, question_type_id: nil)).not_to be_valid
+    end
+
+  end
+end