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* 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.entity.group;
import static org.testng.Assert.assertEquals;
import org.apache.brooklyn.api.entity.Entity;
import org.apache.brooklyn.api.entity.EntitySpec;
import org.apache.brooklyn.api.entity.Group;
import org.apache.brooklyn.api.location.LocationSpec;
import org.apache.brooklyn.core.entity.AbstractEntity;
import org.apache.brooklyn.core.entity.Entities;
import org.apache.brooklyn.core.entity.RecordingSensorEventListener;
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.entity.group.BasicGroup;
import org.apache.brooklyn.test.Asserts;
import org.testng.annotations.BeforeMethod;
import org.testng.annotations.Test;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableSet;
public class GroupTest extends BrooklynAppUnitTestSupport {
private BasicGroup group;
private TestEntity entity1;
private TestEntity entity2;
SimulatedLocation loc;
@BeforeMethod(alwaysRun=true)
@Override
public void setUp() throws Exception {
super.setUp();
loc = app.getManagementContext().getLocationManager().createLocation(LocationSpec.create(SimulatedLocation.class));
group = app.createAndManageChild(EntitySpec.create(BasicGroup.class));
entity1 = app.createAndManageChild(EntitySpec.create(TestEntity.class));
entity2 = app.createAndManageChild(EntitySpec.create(TestEntity.class));
}
@Test
public void testAddRemoveMembers() throws Exception {
group.addMember(entity1);
assertGroupMembers(entity1);
group.addMember(entity2);
assertGroupMembers(entity1, entity2);
group.removeMember(entity2);
assertGroupMembers(entity1);
group.removeMember(entity1);
assertGroupMembers(new Entity[0]);
}
@Test
public void testEntityGetGroups() throws Exception {
group.addMember(entity1);
Asserts.assertEqualsIgnoringOrder(entity1.groups(), ImmutableSet.of(group));
group.removeMember(entity1);
Asserts.assertEqualsIgnoringOrder(entity1.groups(), ImmutableSet.of());
}
@Test
public void testUnmanagedMemberAutomaticallyRemoved() throws Exception {
group.addMember(entity1);
Entities.unmanage(entity1);
assertGroupMembers(new Entity[0]);
}
@Test
public void testUnmanagedGroupAutomaticallyRemovedMembers() throws Exception {
group.addMember(entity1);
Entities.unmanage(group);
Asserts.assertEqualsIgnoringOrder(entity1.groups(), ImmutableSet.of());
}
@Test
public void testAddingUnmanagedMemberDoesNotFailBadly() throws Exception {
Entities.unmanage(entity1);
group.addMember(entity1);
Entities.unmanage(group);
}
@Test
public void testAddingUnmanagedGroupDoesNotFailBadly() throws Exception {
Entities.unmanage(group);
entity1.addGroup(group);
Entities.unmanage(entity1);
}
@Test
public void testAddingAndRemovingGroupEmitsNotification() throws Exception {
final RecordingSensorEventListener<Group> groupAddedListener = new RecordingSensorEventListener<>();
final RecordingSensorEventListener<Group> groupRemovedListener = new RecordingSensorEventListener<>();
mgmt.getSubscriptionManager().subscribe(entity1, AbstractEntity.GROUP_ADDED, groupAddedListener);
mgmt.getSubscriptionManager().subscribe(entity1, AbstractEntity.GROUP_REMOVED, groupRemovedListener);
group.addMember(entity1);
Asserts.succeedsEventually(new Runnable() {
public void run() {
String msg = "events="+groupAddedListener.getEvents();
assertEquals(groupAddedListener.getEvents().size(), 1, msg);
assertEquals(groupAddedListener.getEvents().get(0).getSource(), entity1, msg);
assertEquals(groupAddedListener.getEvents().get(0).getSensor(), AbstractEntity.GROUP_ADDED, msg);
}});
assertEquals(groupRemovedListener.getEvents().size(), 0, "events="+groupRemovedListener.getEvents());
group.removeMember(entity1);
Asserts.succeedsEventually(new Runnable() {
public void run() {
String msg = "events="+groupRemovedListener.getEvents();
assertEquals(groupRemovedListener.getEvents().size(), 1, msg);
assertEquals(groupRemovedListener.getEvents().get(0).getSource(), entity1, msg);
assertEquals(groupRemovedListener.getEvents().get(0).getSensor(), AbstractEntity.GROUP_REMOVED, msg);
}});
assertEquals(groupAddedListener.getEvents().size(), 1, "events="+groupAddedListener.getEvents());
}
private void assertGroupMembers(Entity... expectedMembers) {
Asserts.assertEqualsIgnoringOrder(group.getMembers(), ImmutableList.copyOf(expectedMembers));
assertEquals(group.getAttribute(BasicGroup.GROUP_SIZE), (Integer)expectedMembers.length);
}
}