Add model test for registration

spec/models/registration_spec.rb

@@ -1,17 +1,22 @@
-#!/bin/env ruby
-# encoding: utf-8
 require 'spec_helper'
 
 describe 'Registration' do
-
+  subject { create(:registration) }
   let!(:user) { create(:user) }
   let!(:conference) { create(:conference) }
   let!(:registration1) { create(:registration, conference: conference, user: user) }
-  describe 'validations' do
+
+  describe 'validation' do
     it 'has a valid factory' do
       expect(build(:registration)).to be_valid
     end
 
+    it { is_expected.to validate_presence_of(:user) }
+
+    it 'validates uniqueness of user in scope of conference' do
+      expect(build(:registration, conference: subject.conference, user: subject.user)).not_to be_valid
+    end
+
     describe 'registration_limit_not_exceed' do
       it 'is not valid when limit exceeded' do
         conference.registration_limit = 1
@@ -21,6 +26,51 @@ describe 'Registration' do
     end
   end
 
+  describe 'association' do
+    it { is_expected.to belong_to(:user) }
+    it { is_expected.to belong_to(:conference) }
+    it { is_expected.to belong_to(:dietary_choice) }
+    it { is_expected.to have_and_belong_to_many(:social_events) }
+    it { is_expected.to have_and_belong_to_many(:events) }
+    it { is_expected.to have_and_belong_to_many(:qanswers) }
+    it { is_expected.to have_and_belong_to_many(:vchoices) }
+    it { is_expected.to have_many(:events_registrations) }
+    it { is_expected.to have_many(:workshops) }
+  end
+
+  describe 'after create' do
+    after { subject.run_callbacks(:create) }
+
+    # set_week and subscribe_to_conference are private methods
+    describe '#set_week' do
+      before { subject.created_at = Time.utc(2014, 5, 10) }
+
+      it 'sets week of registration' do
+        expect(subject).to receive(:set_week)
+        expect(subject.week).to eq 18
+      end
+    end
+
+    describe '#subscribe_to_conference' do
+      it 'subscribes to conference' do
+        expect(subject).to receive(:subscribe_to_conference)
+        expect(subject.user.subscribed?(subject.conference)).to be true
+      end
+    end
+
+    it 'sends registrations mail' do
+      expect(subject).to receive(:send_registration_mail)
+    end
+  end
+
+  describe '#week' do
+    before { subject.created_at = Date.new(2014, 06, 30) }
+
+    it 'returns week number of created_at' do
+      expect(subject.week).to eq(26)
+    end
+  end
+
   describe '#destroy_purchased_tickets' do
     it 'destroys purchased tickets if tickets are purchased' do
       create(:ticket_purchase, conference: conference, user: user)
@@ -30,6 +80,7 @@ describe 'Registration' do
       expect(user.registrations.size).to be 0
       expect(user.ticket_purchases.size).to be 0
     end
+
     it 'destroys no tickets if no tickets are purchased' do
       expect(user.registrations.size).to be 1
       expect(user.ticket_purchases.size).to be 0