/*
* Copyright 2012-2016 the original author or authors.
*
* Licensed 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.springframework.boot.actuate.autoconfigure;
import com.codahale.metrics.Reservoir;
import com.codahale.metrics.UniformReservoir;
import org.junit.After;
import org.junit.Test;
import org.springframework.boot.actuate.metrics.dropwizard.DropwizardMetricServices;
import org.springframework.boot.actuate.metrics.dropwizard.ReservoirFactory;
import org.springframework.context.annotation.AnnotationConfigApplicationContext;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.test.util.ReflectionTestUtils;
import static org.assertj.core.api.Assertions.assertThat;
/**
* Tests for {@link MetricsDropwizardAutoConfiguration}.
*
* @author Lucas Saldanha
*/
public class MetricsDropwizardAutoConfigurationTests {
private AnnotationConfigApplicationContext context;
@After
public void after() {
if (this.context != null) {
this.context.close();
}
}
@Test
public void dropwizardWithoutCustomReservoirConfigured() {
this.context = new AnnotationConfigApplicationContext(
MetricsDropwizardAutoConfiguration.class);
DropwizardMetricServices dropwizardMetricServices = this.context
.getBean(DropwizardMetricServices.class);
ReservoirFactory reservoirFactory = (ReservoirFactory) ReflectionTestUtils
.getField(dropwizardMetricServices, "reservoirFactory");
assertThat(reservoirFactory.getReservoir("test")).isNull();
}
@Test
public void dropwizardWithCustomReservoirConfigured() {
this.context = new AnnotationConfigApplicationContext(
MetricsDropwizardAutoConfiguration.class, Config.class);
DropwizardMetricServices dropwizardMetricServices = this.context
.getBean(DropwizardMetricServices.class);
ReservoirFactory reservoirFactory = (ReservoirFactory) ReflectionTestUtils
.getField(dropwizardMetricServices, "reservoirFactory");
assertThat(reservoirFactory.getReservoir("test"))
.isInstanceOf(UniformReservoir.class);
}
@Configuration
static class Config {
@Bean
public ReservoirFactory reservoirFactory() {
return new UniformReservoirFactory();
}
}
private static class UniformReservoirFactory implements ReservoirFactory {
@Override
public Reservoir getReservoir(String name) {
return new UniformReservoir();
}
}
}