/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.apache.brooklyn.core.entity.trait;
import static org.testng.Assert.assertEquals;
import static org.testng.Assert.fail;
import org.apache.brooklyn.api.entity.EntitySpec;
import org.apache.brooklyn.api.mgmt.Task;
import org.apache.brooklyn.core.entity.Entities;
import org.apache.brooklyn.core.entity.trait.StartableMethods;
import org.apache.brooklyn.core.entity.trait.FailingEntity.RecordingEventListener;
import org.apache.brooklyn.core.location.SimulatedLocation;
import org.apache.brooklyn.core.test.BrooklynAppUnitTestSupport;
import org.apache.brooklyn.core.test.entity.TestEntity;
import org.apache.brooklyn.util.core.task.Tasks;
import org.testng.annotations.BeforeMethod;
import org.testng.annotations.Test;
import com.google.common.collect.ImmutableList;
public class StartableMethodsTest extends BrooklynAppUnitTestSupport {
private SimulatedLocation loc;
private TestEntity entity;
private TestEntity entity2;
private RecordingEventListener listener;
@BeforeMethod(alwaysRun=true)
@Override
public void setUp() throws Exception {
super.setUp();
loc = new SimulatedLocation();
listener = new RecordingEventListener();
}
@Test
public void testStopSequentially() {
entity = app.createAndManageChild(EntitySpec.create(FailingEntity.class)
.configure(FailingEntity.LISTENER, listener));
entity2 = app.createAndManageChild(EntitySpec.create(FailingEntity.class)
.configure(FailingEntity.LISTENER, listener));
app.start(ImmutableList.of(loc));
listener.events.clear();
StartableMethods.stopSequentially(ImmutableList.of(entity, entity2));
assertEquals(listener.events.get(0)[0], entity);
assertEquals(listener.events.get(1)[0], entity2);
}
@Test
public void testStopSequentiallyContinuesOnFailure() {
try {
entity = app.createAndManageChild(EntitySpec.create(FailingEntity.class)
.configure(FailingEntity.FAIL_ON_STOP, true)
.configure(FailingEntity.LISTENER, listener));
entity2 = app.createAndManageChild(EntitySpec.create(FailingEntity.class)
.configure(FailingEntity.LISTENER, listener));
app.start(ImmutableList.of(loc));
listener.events.clear();
try {
StartableMethods.stopSequentially(ImmutableList.of(entity, entity2));
fail();
} catch (Exception e) {
// success; expected exception to be propagated
}
assertEquals(listener.events.get(0)[0], entity);
assertEquals(listener.events.get(1)[0], entity2);
} finally {
// get rid of entity that will fail on stop, so that tearDown won't encounter exception
Entities.unmanage(entity);
}
}
@Test
public void testStopSequentiallyContinuesOnFailureInSubTask() throws Exception {
try {
entity = app.createAndManageChild(EntitySpec.create(FailingEntity.class)
.configure(FailingEntity.FAIL_ON_STOP, true)
.configure(FailingEntity.FAIL_IN_SUB_TASK, true)
.configure(FailingEntity.LISTENER, listener));
entity2 = app.createAndManageChild(EntitySpec.create(FailingEntity.class)
.configure(FailingEntity.LISTENER, listener));
app.start(ImmutableList.of(loc));
listener.events.clear();
try {
Task<?> task = Tasks.builder().displayName("stopSequentially")
.body(new Runnable() {
@Override public void run() {
StartableMethods.stopSequentially(ImmutableList.of(entity, entity2));
}})
.build();
Entities.submit(app, task).getUnchecked();
fail();
} catch (Exception e) {
// success; expected exception to be propagated
if (!(e.toString().contains("Error stopping"))) throw e;
}
assertEquals(listener.events.get(0)[0], entity);
assertEquals(listener.events.get(1)[0], entity2);
} finally {
// get rid of entity that will fail on stop, so that tearDown won't encounter exception
Entities.unmanage(entity);
}
}
}