/**
* Copyright (C) 2012 Ryan W Tenney (ryan@10e.us)
*
* 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 com.ryantenney.metrics.spring;
import java.io.ByteArrayOutputStream;
import java.io.PrintStream;
import java.util.Collection;
import org.junit.Assert;
import org.junit.Test;
import org.springframework.aop.support.AopUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.support.ClassPathXmlApplicationContext;
import com.codahale.metrics.ConsoleReporter;
import com.codahale.metrics.JmxReporter;
import com.codahale.metrics.Metric;
import com.codahale.metrics.MetricFilter;
import com.codahale.metrics.MetricRegistry;
import com.codahale.metrics.SharedMetricRegistries;
import com.codahale.metrics.Slf4jReporter;
import com.codahale.metrics.ganglia.GangliaReporter;
import com.codahale.metrics.graphite.GraphiteReporter;
import com.ryantenney.metrics.spring.reporter.FakeReporter;
import static org.hamcrest.Matchers.*;
public class ReporterTest {
@SuppressWarnings("resource")
@Test
public void fakeReporters() throws Throwable {
ClassPathXmlApplicationContext ctx = null;
FakeReporter one = null;
FakeReporter two = null;
try {
final MetricRegistry registry = SharedMetricRegistries.getOrCreate("reporterTestRegistry");
ctx = new ClassPathXmlApplicationContext("classpath:fake-reporter-test.xml");
ctx.start();
Thread.sleep(1000);
one = ctx.getBean("fakeReporterOne", FakeReporter.class);
Assert.assertFalse(AopUtils.isAopProxy(one.getRegistry()));
Assert.assertSame(registry, one.getRegistry());
Assert.assertEquals("milliseconds", one.getDurationUnit());
Assert.assertEquals("second", one.getRateUnit());
Assert.assertEquals(100000000, one.getPeriod());
Assert.assertThat(one.getCalls(), allOf(greaterThanOrEqualTo(9), lessThanOrEqualTo(11)));
Assert.assertEquals("[MetricFilter regex=foo]", one.getFilter().toString());
Assert.assertTrue(one.isRunning());
two = ctx.getBean("fakeReporterTwo", FakeReporter.class);
Assert.assertFalse(AopUtils.isAopProxy(one.getRegistry()));
Assert.assertSame(registry, two.getRegistry());
Assert.assertEquals("nanoseconds", two.getDurationUnit());
Assert.assertEquals("hour", two.getRateUnit());
Assert.assertEquals(100000000, two.getPeriod());
Assert.assertThat(two.getCalls(), allOf(greaterThanOrEqualTo(9), lessThanOrEqualTo(11)));
Assert.assertEquals(ctx.getBean(BarFilter.class), two.getFilter());
Assert.assertTrue(one.isRunning());
// Make certain reporters aren't candidates for autowiring
ReporterCollaborator collab = ctx.getBean(ReporterCollaborator.class);
Assert.assertNotNull(collab.metricRegistry);
Assert.assertNull(collab.fakeReporter);
}
finally {
if (ctx != null) {
ctx.stop();
ctx.close();
}
}
if (one != null) {
Assert.assertFalse(one.isRunning());
}
if (two != null) {
Assert.assertFalse(two.isRunning());
}
}
@Test
public void realReporters() throws Throwable {
ClassPathXmlApplicationContext ctx = null;
try {
ctx = new ClassPathXmlApplicationContext("classpath:reporter-test.xml");
// intentionally avoids calling ctx.start()
Assert.assertNotNull(ctx.getBean(ConsoleReporter.class));
Assert.assertNotNull(ctx.getBean(JmxReporter.class));
Assert.assertNotNull(ctx.getBean(Slf4jReporter.class));
Assert.assertNotNull(ctx.getBean(GangliaReporter.class));
Assert.assertNotNull(ctx.getBean("graphite", GraphiteReporter.class));
Assert.assertNotNull(ctx.getBean("graphite-tcp", GraphiteReporter.class));
Assert.assertNotNull(ctx.getBean("graphite-udp", GraphiteReporter.class));
Assert.assertNotNull(ctx.getBean("graphite-pickle", GraphiteReporter.class));
Assert.assertNotNull(ctx.getBean("graphite-rabbitmq", GraphiteReporter.class));
}
finally {
if (ctx != null) {
ctx.close();
}
}
}
@Test
public void reportersPropertyPlaceholders() throws Throwable {
ClassPathXmlApplicationContext ctx = null;
try {
ctx = new ClassPathXmlApplicationContext("classpath:reporter-placeholder-test.xml");
@SuppressWarnings("resource")
FakeReporter reporter = ctx.getBean(FakeReporter.class);
Assert.assertEquals("nanoseconds", reporter.getDurationUnit());
Assert.assertEquals("hour", reporter.getRateUnit());
Assert.assertEquals(100000000, reporter.getPeriod());
Assert.assertSame(ctx.getBean(BarFilter.class), reporter.getFilter());
}
finally {
if (ctx != null) {
ctx.close();
}
}
}
public static PrintStream testPrintStream() {
return new PrintStream(new ByteArrayOutputStream());
}
public static class BarFilter implements MetricFilter {
@Override
public boolean matches(String name, Metric metric) {
return false;
}
}
public static class ReporterCollaborator {
@Autowired(required = false)
Collection<FakeReporter> fakeReporter;
@Autowired
MetricRegistry metricRegistry;
}
}