adding model validations, tests and factory for answer, plus question…

… factory bc of dependency. resolves openwichita#3

app/models/answer.rb

@@ -12,4 +12,7 @@
 
 class Answer < ActiveRecord::Base
   belongs_to :question
+
+  validates :question_id, presence: true
+  validates :text, presence: true
 end

spec/examples.txt

@@ -1,5 +1,8 @@
 example_id                              | status | run_time        |
 --------------------------------------- | ------ | --------------- |
 ./spec/models/admin_user_spec.rb[1:1:1] | passed | 0.0534 seconds  |
+./spec/models/answer_spec.rb[1:1]       | passed | 0.10162 seconds |
+./spec/models/answer_spec.rb[1:2:1]     | passed | 0.01378 seconds |
+./spec/models/answer_spec.rb[1:2:2]     | passed | 0.01236 seconds |
 ./spec/models/ballot_spec.rb[1:1:1]     | passed | 0.04902 seconds |
 ./spec/models/ballot_spec.rb[1:1:2]     | passed | 0.0089 seconds  |

spec/factories/answer_factory.rb

@@ -0,0 +1,22 @@
+# == Schema Information
+#
+# Table name: answers
+#
+#  id          :integer          not null, primary key
+#  text        :text
+#  info        :text
+#  question_id :integer
+#  created_at  :datetime         not null
+#  updated_at  :datetime         not null
+#
+
+require 'faker'
+
+FactoryGirl.define do
+	factory :answer do
+		text         Faker::Lorem.sentence
+
+		# Associations
+    question
+	end
+end

spec/factories/question_factory.rb

@@ -0,0 +1,23 @@
+# == Schema Information
+#
+# Table name: questions
+#
+#  id            :integer          not null, primary key
+#  text          :text
+#  summary       :text
+#  friendly_name :string
+#  ballot_id     :integer
+#  created_at    :datetime         not null
+#  updated_at    :datetime         not null
+#
+
+require 'faker'
+
+FactoryGirl.define do
+	factory :question do
+		text         Faker::Lorem.sentence
+
+		# Associations
+    ballot
+	end
+end

spec/models/answer_spec.rb

@@ -13,4 +13,21 @@
 require 'spec_helper'
 
 RSpec.describe Answer do
+	it "has a valid factory" do
+ 		expect(FactoryGirl.create(:answer)).to be_valid
+ 	end
+
+	describe 'validates' do
+		before(:each) { @answer = build(:answer) }
+
+		it "is invalid without an associated question id" do
+ 			@answer.question_id = nil
+ 			expect(@answer).not_to be_valid
+		end
+
+		it "is invalid without text" do
+			@answer.text = nil
+			expect(@answer).not_to be_valid
+		end
+	end
 end