lib/grape/middleware/versioner/accept_version_header.rb in grape-0.11.0 vs lib/grape/middleware/versioner/accept_version_header.rb in grape-0.12.0

@@ -16,11 +16,11 @@
       # If version does not match this route, then a 406 is raised with
       # X-Cascade header to alert Rack::Mount to attempt the next matched
       # route.
       class AcceptVersionHeader < Base
         def before
-          potential_version = (env['HTTP_ACCEPT_VERSION'] || '').strip
+          potential_version = (env[Grape::Http::Headers::HTTP_ACCEPT_VERSION] || '').strip
 
           if strict?
             # If no Accept-Version header:
             if potential_version.empty?
               throw :error, status: 406, headers: error_headers, message: 'Accept-Version header must be set.'
@@ -57,10 +57,10 @@
             true
           end
         end
 
         def error_headers
-          cascade? ? { 'X-Cascade' => 'pass' } : {}
+          cascade? ? { Grape::Http::Headers::X_CASCADE => 'pass' } : {}
         end
       end
     end
   end
 end