Adds poll partial result

app/models/poll/partial_result.rb

@@ -0,0 +1,18 @@
+class Poll::PartialResult < ActiveRecord::Base
+
+  VALID_ORIGINS = %w{ web }
+
+  belongs_to :question, -> { with_hidden }
+  belongs_to :author, -> { with_hidden }, class_name: 'User', foreign_key: 'author_id'
+
+  validates :question, presence: true
+  validates :author, presence: true
+  validates :answer, presence: true
+  validates :answer, inclusion: {in: ->(a) { a.question.valid_answers }}
+  validates :origin, inclusion: {in: VALID_ORIGINS}
+
+  scope :by_author, -> (author_id) { where(author_id: author_id) }
+  scope :by_question, -> (question_id) { where(question_id: question_id) }
+
+
+end

spec/models/poll/partial_result_spec.rb

@@ -0,0 +1,16 @@
+require 'rails_helper'
+
+describe Poll::PartialResult, type: :model do
+
+  describe "validations" do
+    it "validates that the answers are included in the Enquiry's list" do
+      q = create(:poll_question, valid_answers: 'One, Two, Three')
+      expect(build(:poll_partial_result, question: q, answer: 'One')).to be_valid
+      expect(build(:poll_partial_result, question: q, answer: 'Two')).to be_valid
+      expect(build(:poll_partial_result, question: q, answer: 'Three')).to be_valid
+
+      expect(build(:poll_partial_result, question: q, answer: 'Four')).to_not be_valid
+    end
+  end
+
+end