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* 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
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*
* http://www.apache.org/licenses/LICENSE-2.0
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* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
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package org.apache.brooklyn.core.mgmt.rebind;
import static org.testng.Assert.assertEquals;
import java.util.List;
import org.apache.brooklyn.api.entity.Entity;
import org.apache.brooklyn.api.entity.EntitySpec;
import org.apache.brooklyn.api.entity.ImplementedBy;
import org.apache.brooklyn.core.entity.Entities;
import org.apache.brooklyn.core.test.entity.TestEntity;
import org.apache.brooklyn.entity.group.AbstractGroup;
import org.apache.brooklyn.entity.group.AbstractGroupImpl;
import org.apache.brooklyn.entity.group.BasicGroup;
import org.apache.brooklyn.test.Asserts;
import org.testng.annotations.Test;
import com.google.common.base.Predicates;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableSet;
import com.google.common.collect.Iterables;
import com.google.common.collect.Lists;
public class RebindGroupTest extends RebindTestFixtureWithApp {
@Test
public void testRestoresGroupAndMembers() throws Exception {
BasicGroup origGroup = origApp.createAndManageChild(EntitySpec.create(BasicGroup.class));
TestEntity origEntity = origApp.createAndManageChild(EntitySpec.create(TestEntity.class));
origGroup.addMember(origEntity);
newApp = rebind();
BasicGroup newGroup = (BasicGroup) Iterables.find(origApp.getChildren(), Predicates.instanceOf(BasicGroup.class));
TestEntity newEntity = (TestEntity) Iterables.find(origApp.getChildren(), Predicates.instanceOf(TestEntity.class));
Asserts.assertEqualsIgnoringOrder(newGroup.getMembers(), ImmutableSet.of(newEntity));
assertEquals(newGroup.getAttribute(BasicGroup.GROUP_SIZE), (Integer)1);
assertEquals(newGroup.getAttribute(BasicGroup.GROUP_MEMBERS), ImmutableSet.of(newEntity));
}
// FIXME Fails because attribute AbstractGroup.GROUP_MEMBERS is an ImmutableSet which cannot have null values.
// However, deserializing the origEntity was a dangling reference which was returned as null.
// Therefore deserializing the group fails.
@Test(enabled=false)
public void testRestoresGroupWithUnmanagedMember() throws Exception {
BasicGroup origGroup = origApp.createAndManageChild(EntitySpec.create(BasicGroup.class));
TestEntity origEntity = origApp.createAndManageChild(EntitySpec.create(TestEntity.class));
Entities.unmanage(origEntity);
origGroup.addMember(origEntity);
newApp = rebind();
BasicGroup newGroup = (BasicGroup) Iterables.find(origApp.getChildren(), Predicates.instanceOf(BasicGroup.class));
Asserts.assertEqualsIgnoringOrder(newGroup.getMembers(), ImmutableSet.of());
assertEquals(newGroup.getAttribute(BasicGroup.GROUP_SIZE), (Integer)0);
assertEquals(newGroup.getAttribute(BasicGroup.GROUP_MEMBERS), ImmutableSet.of());
}
// Don't want rebind to call addMember, because some sub-classes override this; calling it kicks off that
// behaviour again which is (often?) not what is wanted.
// FIXME fails because BasicEntityRebindSupport.addMembers calls group.addMember
@Test(enabled=false)
public void testAddMemberNotCalledOnRebind() throws Exception {
GroupRecordingCalls origGroup = origApp.createAndManageChild(EntitySpec.create(GroupRecordingCalls.class));
TestEntity origEntity = origApp.createAndManageChild(EntitySpec.create(TestEntity.class));
origGroup.addMember(origEntity);
origGroup.clearCalls();
newApp = rebind();
GroupRecordingCalls newGroup = (GroupRecordingCalls) Iterables.find(newApp.getChildren(), Predicates.instanceOf(GroupRecordingCalls.class));
TestEntity newEntity = (TestEntity) Iterables.find(origApp.getChildren(), Predicates.instanceOf(TestEntity.class));
assertEquals(newGroup.getCalls(), ImmutableList.of());
Asserts.assertEqualsIgnoringOrder(newGroup.getMembers(), ImmutableSet.of(newEntity));
}
@ImplementedBy(GroupRecordingCallsImpl.class)
public static interface GroupRecordingCalls extends AbstractGroup {
List<String> getCalls();
void clearCalls();
}
public static class GroupRecordingCallsImpl extends AbstractGroupImpl implements GroupRecordingCalls {
private final List<String> calls = Lists.newCopyOnWriteArrayList();
@Override
public List<String> getCalls() {
return calls;
}
@Override
public void clearCalls() {
calls.clear();
}
@Override
public boolean addMember(Entity member) {
calls.add("addMember");
return super.addMember(member);
}
@Override
public boolean removeMember(Entity member) {
calls.add("removeMember");
return super.removeMember(member);
}
}
}