def it_requires_authentication(options = {})
  default_options = {
    for:    {
      index:   :get,
      show:    :get,
      new:     :get,
      create:  :post,
      edit:    :get,
      update:  :put,
      destroy: :delete
    },
    params: { id: '4c6c760494df2a18cc000015' }
  }
  options.reverse_merge!(default_options)

  context 'when signed out' do
    before do
      sign_out :user
    end

    options[:for].each do |action, method|
      it "#{method.to_s.upcase} #{action} redirects to the sign in page" do
        send(method, action, options[:params])
        expect(response).to redirect_to(new_user_session_path)
      end
    end
  end
end

def it_requires_admin_privileges(options = {})
  default_options = {
    for:    {
      index:   :get,
      show:    :get,
      new:     :get,
      create:  :post,
      edit:    :get,
      update:  :put,
      destroy: :delete
    },
    params: { id: 'dummyid' }
  }
  options.reverse_merge!(default_options)

  context 'when signed in as a regular user' do
    before do
      sign_out :user
      sign_in Fabricate(:user)
    end

    options[:for].each do |action, method|
      it "#{method.to_s.upcase} #{action} redirects to the root path" do
        send(method, action, options[:params])
        expect(response).to redirect_to(root_path)
      end
    end
  end
end