/**
* Copyright © 2013 Antonin Stefanutti (antonin.stefanutti@gmail.com)
*
* 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 io.astefanutti.metrics.cdi.se;
import com.codahale.metrics.Counter;
import com.codahale.metrics.Metric;
import com.codahale.metrics.MetricFilter;
import com.codahale.metrics.MetricRegistry;
import io.astefanutti.metrics.cdi.MetricsExtension;
import io.astefanutti.metrics.cdi.se.util.MetricsUtil;
import org.hamcrest.Matchers;
import org.jboss.arquillian.container.test.api.Deployment;
import org.jboss.arquillian.junit.Arquillian;
import org.jboss.arquillian.junit.InSequence;
import org.jboss.shrinkwrap.api.Archive;
import org.jboss.shrinkwrap.api.ShrinkWrap;
import org.jboss.shrinkwrap.api.asset.EmptyAsset;
import org.jboss.shrinkwrap.api.spec.JavaArchive;
import org.junit.Test;
import org.junit.runner.RunWith;
import javax.inject.Inject;
import java.util.Set;
import java.util.concurrent.atomic.AtomicLong;
import static org.hamcrest.Matchers.*;
import static org.junit.Assert.assertThat;
@RunWith(Arquillian.class)
public class MonotonicCountedClassBeanTest {
private static final String CONSTRUCTOR_NAME = "MonotonicCountedClassBean";
private static final String CONSTRUCTOR_COUNTER_NAME = MetricsUtil.absoluteMetricName(MonotonicCountedClassBean.class, "monotonicCountedClass", CONSTRUCTOR_NAME);
private static final String[] METHOD_NAMES = {"countedMethodOne", "countedMethodTwo", "countedMethodProtected", "countedMethodPackagedPrivate"};
private static final Set<String> METHOD_COUNTER_NAMES = MetricsUtil.absoluteMetricNames(MonotonicCountedClassBean.class, "monotonicCountedClass", METHOD_NAMES);
private static final Set<String> COUNTER_NAMES = MetricsUtil.absoluteMetricNames(MonotonicCountedClassBean.class, "monotonicCountedClass", METHOD_NAMES, CONSTRUCTOR_NAME);
private static final MetricFilter METHOD_COUNTERS = new MetricFilter() {
@Override
public boolean matches(String name, Metric metric) {
return METHOD_COUNTER_NAMES.contains(name);
}
};
private static final AtomicLong CONSTRUCTOR_COUNT = new AtomicLong();
@Deployment
static Archive<?> createTestArchive() {
return ShrinkWrap.create(JavaArchive.class)
// Test bean
.addClass(MonotonicCountedClassBean.class)
// Metrics CDI extension
.addPackage(MetricsExtension.class.getPackage())
// Bean archive deployment descriptor
.addAsManifestResource(EmptyAsset.INSTANCE, "beans.xml");
}
@Inject
private MetricRegistry registry;
@Inject
private MonotonicCountedClassBean bean;
@Test
@InSequence(1)
public void countedMethodsNotCalledYet() {
assertThat("Counters are not registered correctly", registry.getCounters().keySet(), is(equalTo(COUNTER_NAMES)));
assertThat("Constructor timer count is incorrect", registry.getCounters().get(CONSTRUCTOR_COUNTER_NAME).getCount(), is(equalTo(CONSTRUCTOR_COUNT.incrementAndGet())));
// Make sure that the counters haven't been incremented
assertThat("Method counter counts are incorrect", registry.getCounters(METHOD_COUNTERS).values(), everyItem(Matchers.<Counter>hasProperty("count", equalTo(0L))));
}
@Test
@InSequence(2)
public void callCountedMethodsOnce() {
assertThat("Counters are not registered correctly", registry.getCounters().keySet(), is(equalTo(COUNTER_NAMES)));
assertThat("Constructor timer count is incorrect", registry.getCounters().get(CONSTRUCTOR_COUNTER_NAME).getCount(), is(equalTo(CONSTRUCTOR_COUNT.incrementAndGet())));
// Call the counted methods and assert they've been incremented
bean.countedMethodOne();
bean.countedMethodTwo();
// Let's call the non-public methods as well
bean.countedMethodProtected();
bean.countedMethodPackagedPrivate();
// Make sure that the counters have been incremented
assertThat("Method counter counts are incorrect", registry.getCounters(METHOD_COUNTERS).values(), everyItem(Matchers.<Counter>hasProperty("count", equalTo(1L))));
}
}