changing content type for authentication failure

Author: davezuckerman

app/controllers/auth_controller.rb

@@ -4,7 +4,17 @@ class AuthController < ApplicationController
   ERR_TICKET_MISMATCH = 'Ticket from callback URL parameter does not match credential from OmniAuth hash'.freeze
 
   def failure
-    render json: 'Authentication failed', status: :unauthorized
+    error = {
+      errors: [
+        {
+          status: '401',
+          title: 'Authentication failed',
+          detail: 'Authentication failed'
+        }
+      ]
+    }
+
+    render json: error, status: :unauthorized, content_type: JSONAPI::MEDIA_TYPE
   end
 
   def callback

spec/requests/auth_spec.rb

@@ -52,7 +52,10 @@
       get '/auth/failure'
 
       expect(response).to have_http_status(:unauthorized)
-      expect(response.parsed_body).to eq('Authentication failed')
+      expect(response.content_type).to start_with(JSONAPI::MEDIA_TYPE)
+
+      parsed = JSON.parse(response.body)
+      expect(parsed['errors'].first['detail']).to eq('Authentication failed')
     end
   end