/**
* 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.geronimo.clustering.wadi;
import java.io.IOException;
import java.util.Collections;
import java.util.HashMap;
import java.util.Map;
import java.util.Set;
import org.apache.geronimo.clustering.ClusterListener;
import org.apache.geronimo.clustering.LocalNode;
import org.apache.geronimo.clustering.Node;
import org.codehaus.wadi.group.Address;
import org.codehaus.wadi.group.Dispatcher;
import org.codehaus.wadi.group.Peer;
import com.agical.rmock.core.Action;
import com.agical.rmock.core.MethodHandle;
import com.agical.rmock.core.describe.ExpressionDescriber;
import com.agical.rmock.core.match.operator.AbstractExpression;
import com.agical.rmock.extension.junit.RMockTestCase;
/**
*
* @version $Rev$ $Date$
*/
public class BasicWADIClusterTest extends RMockTestCase {
private Dispatcher dispatcher;
private org.codehaus.wadi.group.Cluster wadiCluster;
private LocalNode localNode;
private Peer peer1;
private Peer peer2;
private BasicWADICluster cluster;
private ClusterListener listener;
private NodeFactory nodeFactory;
private Node nodePeer1;
private Node nodePeer2;
@Override
protected void setUp() throws Exception {
DispatcherHolder dispatcherHolder = (DispatcherHolder) mock(DispatcherHolder.class);
dispatcher = dispatcherHolder.getDispatcher();
wadiCluster = dispatcher.getCluster();
wadiCluster.getClusterName();
modify().multiplicity(expect.from(0)).returnValue("name");
wadiCluster.addClusterListener(null);
modify().args(is.NOT_NULL);
wadiCluster.getDispatcher();
modify().multiplicity(expect.from(0)).returnValue(dispatcher);
Map<Address, Peer> remotePeers = new HashMap<Address, Peer>();
peer1 = addPeer("peer1", remotePeers);
peer2 = addPeer("peer2", remotePeers);
wadiCluster.getRemotePeers();
modify().multiplicity(expect.from(0)).returnValue(remotePeers);
localNode = (LocalNode) mock(LocalNode.class);
nodeFactory = (NodeFactory) mock(NodeFactory.class);
nodePeer1 = nodeFactory.newNode(wadiCluster, peer1);
modify().multiplicity(expect.from(0));
nodePeer2 = nodeFactory.newNode(wadiCluster, peer2);
modify().multiplicity(expect.from(0));
cluster = new BasicWADICluster(localNode, dispatcherHolder, nodeFactory);
listener = (ClusterListener) mock(ClusterListener.class);
}
private Peer addPeer(String peerName, Map<Address, Peer> remotePeers) {
Peer peer = (Peer) mock(Peer.class, peerName);
peer.getLocalStateMap();
modify().multiplicity(expect.from(0)).returnValue(new HashMap());
Address address = peer.getAddress();
modify().multiplicity(expect.from(0));
peer.getName();
modify().multiplicity(expect.from(0)).returnValue(peerName);
remotePeers.put(address, peer);
return peer;
}
public void testGetName() throws Exception {
startVerificationAndInitWADICluster();
assertEquals(wadiCluster.getClusterName(), cluster.getName());
}
public void testGetLocalNode() throws Exception {
startVerificationAndInitWADICluster();
assertEquals(localNode, cluster.getLocalNode());
}
public void testGetRemotePeers() throws Exception {
startVerificationAndInitWADICluster();
Set<Node> remoteNodes = cluster.getRemoteNodes();
assertEquals(2, remoteNodes.size());
assertTrue(remoteNodes.contains(nodePeer1));
assertTrue(remoteNodes.contains(nodePeer2));
}
public void testAddClusterListener() throws Exception {
wadiCluster.addClusterListener(null);
modify().args(new AbstractExpression() {
public void describeWith(ExpressionDescriber arg0) throws IOException {
}
public boolean passes(Object arg0) {
assertTrue(arg0 instanceof org.codehaus.wadi.group.ClusterListener);
return true;
}
});
startVerificationAndInitWADICluster();
cluster.addClusterListener(listener);
}
public void testAddNullClusterListenerThrowsException() throws Exception {
startVerificationAndInitWADICluster();
try {
cluster.addClusterListener(null);
fail();
} catch (IllegalArgumentException e) {
}
}
public void testRemoveClusterListener() throws Exception {
AbstractExpression assertSame = new AssertSameWADIListener();
wadiCluster.addClusterListener(null);
modify().args(assertSame);
wadiCluster.removeClusterListener(null);
modify().args(assertSame);
startVerificationAndInitWADICluster();
cluster.addClusterListener(listener);
cluster.removeClusterListener(listener);
}
public void testRemoveUndefinedClusterListenerThrowsException() throws Exception {
startVerificationAndInitWADICluster();
try {
cluster.removeClusterListener(listener);
fail();
} catch (IllegalArgumentException e) {
}
}
public void testClusterListenerRegistrationCallback() throws Exception {
wadiCluster.addClusterListener(null);
modify().args(is.ANYTHING).perform(new Action() {
public Object invocation(Object[] arg0, MethodHandle arg1) throws Throwable {
org.codehaus.wadi.group.ClusterListener wadiListener = (org.codehaus.wadi.group.ClusterListener) arg0[0];
wadiListener.onListenerRegistration(wadiCluster, Collections.singleton(peer1));
return null;
}
});
listener.onListenerRegistration(cluster, Collections.singleton(nodePeer1));
startVerificationAndInitWADICluster();
cluster.addClusterListener(listener);
}
public void testClusterListenerMembershipChangeCallback() throws Exception {
wadiCluster.addClusterListener(null);
modify().args(is.ANYTHING).perform(new Action() {
public Object invocation(Object[] arg0, MethodHandle arg1) throws Throwable {
org.codehaus.wadi.group.ClusterListener wadiListener = (org.codehaus.wadi.group.ClusterListener) arg0[0];
wadiListener.onMembershipChanged(wadiCluster, Collections.singleton(peer1), Collections.singleton(peer2));
return null;
}
});
listener.onMembershipChanged(cluster, Collections.singleton(nodePeer1), Collections.singleton(nodePeer2));
startVerificationAndInitWADICluster();
cluster.addClusterListener(listener);
}
public void testRemoveListenersOnStopOrFail() throws Exception {
wadiCluster.removeClusterListener(null);
modify().args(is.NOT_NULL);
AbstractExpression assertSame = new AssertSameWADIListener();
wadiCluster.addClusterListener(null);
modify().args(assertSame);
wadiCluster.removeClusterListener(null);
modify().args(assertSame);
startVerificationAndInitWADICluster();
cluster.addClusterListener(listener);
cluster.doStop();
}
private void startVerificationAndInitWADICluster() throws Exception {
startVerification();
cluster.doStart();
cluster.getRemoteNodes();
}
private final class AssertSameWADIListener extends AbstractExpression {
private org.codehaus.wadi.group.ClusterListener wadiListener;
public void describeWith(ExpressionDescriber arg0) throws IOException {
}
public boolean passes(Object arg0) {
if (null == wadiListener) {
wadiListener = (org.codehaus.wadi.group.ClusterListener) arg0;
} else {
assertSame(wadiListener, arg0);
}
return true;
}
}
}