/*
* Copyright 2012-2013 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 java.util.concurrent.Executor;
import org.junit.Test;
import org.springframework.boot.actuate.metrics.CounterService;
import org.springframework.boot.actuate.metrics.GaugeService;
import org.springframework.boot.actuate.metrics.Metric;
import org.springframework.boot.actuate.metrics.reader.MetricReader;
import org.springframework.boot.actuate.metrics.writer.DefaultCounterService;
import org.springframework.boot.actuate.metrics.writer.DefaultGaugeService;
import org.springframework.boot.actuate.metrics.writer.MetricWriter;
import org.springframework.context.annotation.AnnotationConfigApplicationContext;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.core.task.SyncTaskExecutor;
import org.springframework.messaging.support.ExecutorSubscribableChannel;
import org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor;
import com.codahale.metrics.Gauge;
import com.codahale.metrics.MetricRegistry;
import static org.hamcrest.Matchers.equalTo;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertThat;
import static org.junit.Assert.assertTrue;
import static org.mockito.Matchers.any;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.verify;
/**
* Tests for {@link MetricRepositoryAutoConfiguration}.
*
* @author Phillip Webb
* @author Dave Syer
*/
public class MetricRepositoryAutoConfigurationTests {
@Test
public void defaultExecutor() throws Exception {
AnnotationConfigApplicationContext context = new AnnotationConfigApplicationContext(
MetricRepositoryAutoConfiguration.class);
ExecutorSubscribableChannel channel = context
.getBean(ExecutorSubscribableChannel.class);
ThreadPoolTaskExecutor executor = (ThreadPoolTaskExecutor) channel.getExecutor();
context.close();
assertTrue(executor.getThreadPoolExecutor().isShutdown());
}
@Test
public void createServices() throws Exception {
AnnotationConfigApplicationContext context = new AnnotationConfigApplicationContext(
SyncTaskExecutorConfiguration.class,
MetricRepositoryAutoConfiguration.class);
DefaultGaugeService gaugeService = context.getBean(DefaultGaugeService.class);
assertNotNull(gaugeService);
assertNotNull(context.getBean(DefaultCounterService.class));
gaugeService.submit("foo", 2.7);
assertEquals(2.7, context.getBean(MetricReader.class).findOne("gauge.foo")
.getValue());
context.close();
}
@Test
public void provideAdditionalWriter() {
AnnotationConfigApplicationContext context = new AnnotationConfigApplicationContext(
SyncTaskExecutorConfiguration.class, WriterConfig.class,
MetricRepositoryAutoConfiguration.class);
DefaultGaugeService gaugeService = context.getBean(DefaultGaugeService.class);
assertNotNull(gaugeService);
gaugeService.submit("foo", 2.7);
MetricWriter writer = context.getBean("writer", MetricWriter.class);
verify(writer).set(any(Metric.class));
context.close();
}
@Test
public void codahaleInstalledIfPresent() {
AnnotationConfigApplicationContext context = new AnnotationConfigApplicationContext(
SyncTaskExecutorConfiguration.class, WriterConfig.class,
MetricRepositoryAutoConfiguration.class);
DefaultGaugeService gaugeService = context.getBean(DefaultGaugeService.class);
assertNotNull(gaugeService);
gaugeService.submit("foo", 2.7);
MetricRegistry registry = context.getBean(MetricRegistry.class);
@SuppressWarnings("unchecked")
Gauge<Double> gauge = (Gauge<Double>) registry.getMetrics().get("gauge.foo");
assertEquals(new Double(2.7), gauge.getValue());
context.close();
}
@Test
public void skipsIfBeansExist() throws Exception {
AnnotationConfigApplicationContext context = new AnnotationConfigApplicationContext(
Config.class, MetricRepositoryAutoConfiguration.class);
assertThat(context.getBeansOfType(DefaultGaugeService.class).size(), equalTo(0));
assertThat(context.getBeansOfType(DefaultCounterService.class).size(), equalTo(0));
context.close();
}
@Configuration
public static class SyncTaskExecutorConfiguration {
@Bean
public Executor metricsExecutor() {
return new SyncTaskExecutor();
}
}
@Configuration
public static class WriterConfig {
@Bean
public MetricWriter writer() {
return mock(MetricWriter.class);
}
}
@Configuration
public static class Config {
@Bean
public GaugeService gaugeService() {
return mock(GaugeService.class);
}
@Bean
public CounterService counterService() {
return mock(CounterService.class);
}
}
}