/** * Copyright © 2013 Antonin Stefanutti ([email protected]) * * 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.MetricRegistry; import com.codahale.metrics.Timer; 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 io.astefanutti.metrics.cdi.MetricsExtension; import javax.enterprise.inject.Instance; import javax.inject.Inject; import java.util.concurrent.atomic.AtomicLong; import static org.hamcrest.Matchers.*; import static org.junit.Assert.assertThat; import static org.junit.Assert.fail; @RunWith(Arquillian.class) public class TimedMethodBeanLookupTest { private final static String TIMER_NAME = MetricRegistry.name(TimedMethodBean.class, "timedMethod"); private final static AtomicLong TIMER_COUNT = new AtomicLong(); @Deployment static Archive<?> createTestArchive() { return ShrinkWrap.create(JavaArchive.class) // Test bean .addClass(TimedMethodBean.class) // Metrics CDI extension .addPackage(MetricsExtension.class.getPackage()) // Bean archive deployment descriptor .addAsManifestResource(EmptyAsset.INSTANCE, "beans.xml"); } @Inject private MetricRegistry registry; @Inject private Instance<TimedMethodBean> instance; @Test @InSequence(1) public void timedMethodNotCalledYet() { // Get a contextual instance of the bean TimedMethodBean bean = instance.get(); assertThat("Timer is not registered correctly", registry.getTimers(), hasKey(TIMER_NAME)); Timer timer = registry.getTimers().get(TIMER_NAME); // Make sure that the timer hasn't been called yet assertThat("Timer count is incorrect", timer.getCount(), is(equalTo(TIMER_COUNT.get()))); } @Test @InSequence(2) public void callTimedMethodOnce() { // Get a contextual instance of the bean TimedMethodBean bean = instance.get(); assertThat("Timer is not registered correctly", registry.getTimers(), hasKey(TIMER_NAME)); Timer timer = registry.getTimers().get(TIMER_NAME); // Call the timed method and assert it's been timed bean.timedMethod(); // Make sure that the timer has been called assertThat("Timer count is incorrect", timer.getCount(), is(equalTo(TIMER_COUNT.incrementAndGet()))); } @Test @InSequence(3) public void removeTimerFromRegistry() { // Get a contextual instance of the bean TimedMethodBean bean = instance.get(); assertThat("Timer is not registered correctly", registry.getTimers(), hasKey(TIMER_NAME)); Timer timer = registry.getTimers().get(TIMER_NAME); // Remove the timer from metrics registry registry.remove(TIMER_NAME); try { // Call the timed method and assert an exception is thrown bean.timedMethod(); } catch (RuntimeException cause) { assertThat(cause, is(instanceOf(IllegalStateException.class))); assertThat(cause.getMessage(), is(equalTo("No timer with name [" + TIMER_NAME + "] found in registry [" + registry + "]"))); // Make sure that the timer hasn't been called assertThat("Timer count is incorrect", timer.getCount(), is(equalTo(TIMER_COUNT.get()))); return; } fail("No exception has been re-thrown!"); } }