content: /*
   * Licensed to the Apache Software Foundation (ASF) under one or more
   * contributor license agreements.  See the NOTICE file distributed with
   * this work for additional information regarding copyright ownership.
   * The ASF licenses this file to You under the Apache License, Version 2.0
   * (the "License"); you may not use this file except in compliance with
   * the License.  You may obtain a copy of the License at
   *
   *      http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  package org.apache.camel.component.micrometer.messagehistory;
  
  import io.micrometer.core.instrument.MeterRegistry;
  import io.micrometer.core.instrument.simple.SimpleMeterRegistry;
  import org.apache.camel.CamelContext;
  import org.apache.camel.builder.RouteBuilder;
  import org.apache.camel.component.mock.MockEndpoint;
  import org.apache.camel.test.junit5.CamelTestSupport;
  import org.junit.jupiter.api.Test;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertNotNull;
  import static org.junit.jupiter.api.Assertions.assertTrue;
  
  public class ExceptionRouteMicrometerMessageHistoryTest extends CamelTestSupport {
  
      protected final Logger log = LoggerFactory.getLogger(getClass());
  
      private MeterRegistry registry = new SimpleMeterRegistry();
  
      @Override
      protected CamelContext createCamelContext() throws Exception {
          CamelContext context = super.createCamelContext();
  
          MicrometerMessageHistoryFactory factory = new MicrometerMessageHistoryFactory();
          factory.setMeterRegistry(registry);
          context.setMessageHistoryFactory(factory);
  
          return context;
      }
  
      @Test
      public void testMetricsHistory() throws Exception {
          getMockEndpoint("mock:foo").expectedMessageCount(5);
          getMockEndpoint("mock:bar").expectedMessageCount(5);
          getMockEndpoint("mock:baz").expectedMessageCount(0);
          getMockEndpoint("mock:exception").expectedMessageCount(5);
  
          for (int i = 0; i < 10; i++) {
              if (i % 2 == 0) {
                  template.sendBody("seda:foo", "Hello " + i);
              } else {
                  template.sendBody("seda:bar", "Hello " + i);
              }
          }
  
          MockEndpoint.assertIsSatisfied(context);
  
          // there should be 3 names
          assertEquals(4, registry.getMeters().size());
  
          // get the message history service
          MicrometerMessageHistoryService service = context.hasService(MicrometerMessageHistoryService.class);
          assertNotNull(service);
          String json = service.dumpStatisticsAsJson();
          assertNotNull(json);
          log.info(json);
  
          assertTrue(json.contains("\"nodeId\" : \"foo\""));
          assertTrue(json.contains("\"nodeId\" : \"bar\""));
      }
  
      @Override
      protected RouteBuilder createRouteBuilder() {
          return new RouteBuilder() {
              @Override
              public void configure() {
                  onException(Exception.class)
                          .routeId("ExceptionRoute")
                          .log("Exception received.")
                          .to("mock:exception").id("exception");
  
                  from("seda:foo")
                          .to("mock:foo").id("foo");
  
                  from("seda:bar")
                          .to("mock:bar").id("bar")
                          .process(exchange -> {
                              throw new Exception("Metrics Exception");
                          })
                          .to("mock:baz").id("baz");
              }
          };
      }
  }
  