[test] a less stubbed spec for ServletLog

Author: kares

src/spec/ruby/jruby/rack/logger_spec.rb

@@ -116,17 +116,18 @@
   end
 
   describe JRuby::Rack::ServletLog do
+    let(:servlet_context_logger) do
+      org.jruby.rack.logging.ServletContextLogger.new(servlet_context)
+    end
 
     it "writes messages to the servlet context" do
-      JRuby::Rack.context = rack_context = double('context')
+      JRuby::Rack.context = servlet_context_logger
       servlet_log = JRuby::Rack.send(:servlet_log)
-      rack_context.should_receive(:log).with(/hello/)
       servlet_log.write "hello"
-      rack_context.should_receive(:log).with(/hoja!/)
+      expect(real_logger.logged_content).to match(/hello/)
       servlet_log.puts "hoja!hoj"
+      expect(real_logger.logged_content).to match(/hoja!/)
       servlet_log.close
     end
-
   end
-
 end