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;
  
  import java.util.concurrent.TimeUnit;
  
  import io.micrometer.core.instrument.MeterRegistry;
  import io.micrometer.core.instrument.Timer;
  import io.micrometer.core.instrument.simple.SimpleMeterRegistry;
  import org.apache.camel.BindToRegistry;
  import org.apache.camel.EndpointInject;
  import org.apache.camel.Produce;
  import org.apache.camel.ProducerTemplate;
  import org.apache.camel.RoutesBuilder;
  import org.apache.camel.builder.RouteBuilder;
  import org.apache.camel.component.mock.MockEndpoint;
  import org.apache.camel.test.spring.junit5.CamelSpringTest;
  import org.apache.camel.test.spring.junit5.CamelSpringTestSupport;
  import org.junit.jupiter.api.Test;
  import org.springframework.context.annotation.AnnotationConfigApplicationContext;
  import org.springframework.context.support.AbstractApplicationContext;
  
  import static org.apache.camel.component.micrometer.MicrometerConstants.HEADER_METRIC_NAME;
  import static org.apache.camel.component.micrometer.MicrometerConstants.HEADER_TIMER_ACTION;
  import static org.apache.camel.component.micrometer.MicrometerConstants.METRICS_REGISTRY_NAME;
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertTrue;
  
  @CamelSpringTest
  public class TimerRouteTest extends CamelSpringTestSupport {
  
      private static final long DELAY = 20L;
  
      @EndpointInject("mock:out")
      private MockEndpoint endpoint;
  
      @Produce("direct:in-1")
      private ProducerTemplate producer1;
  
      @Produce("direct:in-2")
      private ProducerTemplate producer2;
  
      @Produce("direct:in-3")
      private ProducerTemplate producer3;
  
      @BindToRegistry(METRICS_REGISTRY_NAME)
      private MeterRegistry registry = new SimpleMeterRegistry();
  
      @Override
      protected RoutesBuilder createRouteBuilder() {
          return new RouteBuilder() {
              @Override
              public void configure() {
                  from("direct:in-1")
                          .setHeader(HEADER_METRIC_NAME, constant("B"))
                          .to("micrometer:timer:A?action=start")
                          .delay(DELAY)
                          .setHeader(HEADER_METRIC_NAME, constant("B"))
                          .to("micrometer:timer:A?action=stop")
                          .to("mock:out");
  
                  from("direct:in-2")
                          .setHeader(HEADER_TIMER_ACTION, constant(MicrometerTimerAction.start))
                          .to("micrometer:timer:A")
                          .delay(DELAY)
                          .setHeader(HEADER_TIMER_ACTION, constant(MicrometerTimerAction.stop))
                          .to("micrometer:timer:A")
                          .to("mock:out");
  
                  from("direct:in-3")
                          .to("micrometer:timer:C?action=start")
                          .delay(DELAY)
                          .to("micrometer:timer:C?action=stop&tags.a=${body}")
                          .to("mock:out");
              }
          };
      }
  
      @Override
      protected AbstractApplicationContext createApplicationContext() {
          return new AnnotationConfigApplicationContext();
      }
  
      @Override
      public void doPostTearDown() {
          endpoint.reset();
      }
  
      @Test
      public void testOverrideMetricsName() throws Exception {
          Object body = new Object();
          endpoint.expectedBodiesReceived(body);
          producer1.sendBody(body);
          Timer timer = registry.find("B").timer();
          assertEquals(1L, timer.count());
          assertTrue(timer.max(TimeUnit.MILLISECONDS) > 0.0D);
          endpoint.assertIsSatisfied();
      }
  
      @Test
      public void testOverrideNoAction() throws Exception {
          Object body = new Object();
          endpoint.expectedBodiesReceived(body);
          producer2.sendBody(body);
          Timer timer = registry.find("A").timer();
          assertEquals(1L, timer.count());
          assertTrue(timer.max(TimeUnit.MILLISECONDS) > 0.0D);
          endpoint.assertIsSatisfied();
      }
  
      @Test
      public void testNormal() throws Exception {
          int count = 10;
          String body = "Hello";
          endpoint.expectedMessageCount(count);
          for (int i = 0; i < count; i++) {
              producer3.sendBody(body);
          }
          Timer timer = registry.find("C").timer();
          assertEquals(count, timer.count());
          assertTrue(timer.max(TimeUnit.MILLISECONDS) > DELAY);
          assertTrue(timer.mean(TimeUnit.MILLISECONDS) > DELAY);
          assertTrue(timer.totalTime(TimeUnit.MILLISECONDS) > DELAY * count);
          assertEquals(body, timer.getId().getTag("a"));
          endpoint.assertIsSatisfied();
      }
  }
  