/*
* JBoss, Home of Professional Open Source.
* Copyright 2008, Red Hat Middleware LLC, and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.as.clustering.singleton.election;
import static org.junit.Assert.*;
import static org.mockito.Mockito.*;
import java.util.Arrays;
import java.util.List;
import org.jboss.as.clustering.ClusterNode;
import org.jboss.as.clustering.singleton.SingletonElectionPolicy;
import org.junit.Test;
/**
* @author Paul Ferraro
*/
public class PreferredSingletonElectionPolicyTestCase {
@Test
public void elect() {
SingletonElectionPolicy policy = mock(SingletonElectionPolicy.class);
Preference preference = mock(Preference.class);
ClusterNode node1 = mock(ClusterNode.class);
ClusterNode node2 = mock(ClusterNode.class);
ClusterNode node3 = mock(ClusterNode.class);
when(preference.preferred(same(node1))).thenReturn(true);
when(preference.preferred(same(node2))).thenReturn(false);
when(preference.preferred(same(node3))).thenReturn(false);
assertSame(node1, new PreferredSingletonElectionPolicy(preference, policy).elect(Arrays.asList(node1, node2)));
assertSame(node1, new PreferredSingletonElectionPolicy(preference, policy).elect(Arrays.asList(node2, node1)));
List<ClusterNode> nodes = Arrays.asList(node2, node3);
when(policy.elect(nodes)).thenReturn(node2);
assertSame(node2, new PreferredSingletonElectionPolicy(preference, policy).elect(nodes));
when(policy.elect(nodes)).thenReturn(node3);
assertSame(node3, new PreferredSingletonElectionPolicy(preference, policy).elect(nodes));
when(policy.elect(nodes)).thenReturn(null);
assertNull(new PreferredSingletonElectionPolicy(preference, policy).elect(nodes));
}
}