Adds routing error check in conference#show

Adds make_conference_public to conference factory

Added test

app/controllers/application_controller.rb

@@ -72,4 +72,8 @@ class ApplicationController < ActionController::Base
     redirect_to root_path, :alert => exception.message
   end
   helper_method :organizer_or_admin?
+
+  def not_found
+    raise ActionController::RoutingError.new('Not Found')
+  end
 end

app/controllers/conference_controller.rb

@@ -1,5 +1,6 @@
 class ConferenceController < ApplicationController
   def show
     @conference = Conference.find_by_short_title(params[:id])
+    not_found unless @conference.make_conference_public?
   end
 end

spec/controllers/conference_controller_spec.rb

@@ -3,6 +3,7 @@ require 'spec_helper'
 describe ConferenceController do
   let(:conference) { create(:conference) }
   describe 'GET #show' do
+    context 'conference made public' do
       it 'assigns the requested conference to conference' do
         get :show, id: conference.short_title
         expect(assigns(:conference)).to eq conference
@@ -13,4 +14,13 @@ describe ConferenceController do
         expect(response).to render_template :show
       end
     end
+    context 'conference is not public' do
+      it 'raises routing error' do
+        # rendered as 404 NOT FOUND in production environment
+        conference.update_attribute(:make_conference_public, false)
+        expect { get :show, id: conference.short_title }.
+            to raise_error(ActionController::RoutingError)
+      end
+    end
+  end
 end

spec/factories/conferences.rb

@@ -9,6 +9,7 @@ FactoryGirl.define do
     contact_email 'admin@example.com'
     start_date Date.today
     end_date Date.tomorrow
+    make_conference_public true
     venue
   end
 end