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/*
* 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 io.micrometer.core.instrument.Counter;
import io.micrometer.core.instrument.MeterRegistry;
import org.apache.camel.EndpointInject;
import org.apache.camel.Produce;
import org.apache.camel.ProducerTemplate;
import org.apache.camel.builder.RouteBuilder;
import org.apache.camel.component.mock.MockEndpoint;
import org.apache.camel.spring.javaconfig.SingleRouteCamelConfiguration;
import org.apache.camel.test.spring.CamelSpringDelegatingTestContextLoader;
import org.apache.camel.test.spring.CamelSpringRunner;
import org.apache.camel.test.spring.MockEndpoints;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.InOrder;
import org.mockito.Mockito;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.test.context.ContextConfiguration;
import static org.mockito.ArgumentMatchers.anyIterable;
import static org.mockito.ArgumentMatchers.eq;
import static org.mockito.Mockito.times;
import static org.mockito.Mockito.when;
@RunWith(CamelSpringRunner.class)
@ContextConfiguration(
classes = { MetricComponentSpringTest.TestConfig.class },
loader = CamelSpringDelegatingTestContextLoader.class)
@MockEndpoints
public class MetricComponentSpringTest {
@EndpointInject("mock:out")
private MockEndpoint endpoint;
@Produce("direct:in")
private ProducerTemplate producer;
@Configuration
public static class TestConfig extends SingleRouteCamelConfiguration {
@Bean
@Override
public RouteBuilder route() {
return new RouteBuilder() {
@Override
public void configure() {
from("direct:in")
.to("micrometer:counter:A?increment=512")
.to("mock:out");
}
};
}
@Bean(name = MicrometerConstants.METRICS_REGISTRY_NAME)
public MeterRegistry getMetricRegistry() {
return Mockito.mock(MeterRegistry.class);
}
}
@Test
public void testMetricsRegistryFromCamelRegistry() throws Exception {
MeterRegistry mockRegistry = endpoint.getCamelContext().getRegistry().lookupByNameAndType(MicrometerConstants.METRICS_REGISTRY_NAME, MeterRegistry.class);
Counter mockCounter = Mockito.mock(Counter.class);
InOrder inOrder = Mockito.inOrder(mockRegistry, mockCounter);
when(mockRegistry.counter(eq("A"), anyIterable())).thenReturn(mockCounter);
endpoint.expectedMessageCount(1);
producer.sendBody(new Object());
endpoint.assertIsSatisfied();
inOrder.verify(mockRegistry, times(1)).counter(eq("A"), anyIterable());
inOrder.verify(mockCounter, times(1)).increment(512D);
inOrder.verifyNoMoreInteractions();
}
}