Add API authenticated ping resource

app/controllers/api/application_controller.rb

@@ -29,7 +29,11 @@ module API
     end
 
     def ping
-      render json: { pong: true }
+      ping_response
+    end
+
+    def ping_auth
+      ping_response
     end
 
     def authenticate!
@@ -43,5 +47,12 @@ module API
         head :not_acceptable, content_type: 'application/json'
       end
     end
+
+
+    private
+
+    def ping_response
+      render json: { pong: true }
+    end
   end
 end

config/routes.rb

@@ -3,6 +3,7 @@ Rails.application.routes.draw do
 
   namespace :api do
     get '/ping', to: 'application#ping'
+    get '/ping/auth', to: 'application#ping_auth'
     match '*all', to: 'application#cor_preflight', via: :options
     resources :playlists, only: %i[index show create update destroy]
     resources :sessions, only: :create

spec/integration/api/application_spec.rb

@@ -7,6 +7,22 @@ describe 'API application' do
     end
   end
 
+  describe 'authenticated ping endpoint' do
+    before { get api_ping_auth_path, format: :json }
+
+    it 'requests authentication' do
+      expect(response).to have_http_status 401
+    end
+
+    context 'when session is authenticated' do
+      subject { response }
+
+      before { api_sign_in }
+
+      it { is_expected.to have_http_status 200 }
+    end
+  end
+
   describe 'formats handling' do
     before { api_sign_in }