Add email notifications for events registrations, add switch-checkboxes, create EventsRegistrations controller, separate page for events that require registration

spec/models/events_registration_spec.rb

@@ -0,0 +1,21 @@
+require 'spec_helper'
+
+describe Sponsor do
+  subject { create(:events_registration) }
+
+  describe 'association' do
+    it { is_expected.to belong_to :event }
+    it { is_expected.to belong_to :registration }
+    it { is_expected.to have_one :user }
+  end
+
+  describe 'validations' do
+    it 'has a valid factory' do
+      expect(build(:events_registration)).to be_valid
+    end
+
+    it { is_expected.to validate_presence_of(:event) }
+    it { is_expected.to validate_presence_of(:registration) }
+    it { is_expected.to validate_uniqueness_of(:event).scoped_to(:registration_id) }
+  end
+end