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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.zookeeper.server.quorum;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertFalse;
import static org.junit.jupiter.api.Assertions.assertTrue;
import java.io.File;
import java.io.IOException;
import java.net.InetAddress;
import java.net.InetSocketAddress;
import java.util.HashMap;
import java.util.Map;
import org.apache.zookeeper.PortAssignment;
import org.apache.zookeeper.server.quorum.QuorumPeer.LearnerType;
import org.apache.zookeeper.server.quorum.QuorumPeer.QuorumServer;
import org.apache.zookeeper.test.ClientBase;
import org.junit.jupiter.api.Test;
public class QuorumPeerTest {
private int electionAlg = 3;
private int tickTime = 2000;
private int initLimit = 3;
private int syncLimit = 3;
private int connectToLearnerMasterLimit = 3;
/**
* Test case for https://issues.apache.org/jira/browse/ZOOKEEPER-2301
*/
@Test
public void testQuorumPeerListendOnSpecifiedClientIP() throws IOException {
long myId = 1;
File dataDir = ClientBase.createTmpDir();
int clientPort = PortAssignment.unique();
Map<Long, QuorumServer> peersView = new HashMap<Long, QuorumServer>();
InetAddress clientIP = InetAddress.getLoopbackAddress();
peersView.put(Long.valueOf(myId), new QuorumServer(myId, new InetSocketAddress(clientIP, PortAssignment.unique()), new InetSocketAddress(clientIP, PortAssignment.unique()), new InetSocketAddress(clientIP, clientPort), LearnerType.PARTICIPANT));
/**
* QuorumPeer constructor without QuorumVerifier
*/
QuorumPeer peer1 = new QuorumPeer(peersView, dataDir, dataDir, clientPort, electionAlg, myId, tickTime, initLimit, syncLimit, connectToLearnerMasterLimit);
String hostString1 = peer1.cnxnFactory.getLocalAddress().getHostString();
assertEquals(clientIP.getHostAddress(), hostString1);
// cleanup
peer1.shutdown();
/**
* QuorumPeer constructor with QuorumVerifier
*/
peersView.clear();
clientPort = PortAssignment.unique();
peersView.put(Long.valueOf(myId), new QuorumServer(myId, new InetSocketAddress(clientIP, PortAssignment.unique()), new InetSocketAddress(clientIP, PortAssignment.unique()), new InetSocketAddress(clientIP, clientPort), LearnerType.PARTICIPANT));
QuorumPeer peer2 = new QuorumPeer(peersView, dataDir, dataDir, clientPort, electionAlg, myId, tickTime, initLimit, syncLimit, connectToLearnerMasterLimit);
String hostString2 = peer2.cnxnFactory.getLocalAddress().getHostString();
assertEquals(clientIP.getHostAddress(), hostString2);
// cleanup
peer2.shutdown();
}
@Test
public void testLocalPeerIsLeader() throws Exception {
long localPeerId = 7;
QuorumPeer peer = new QuorumPeer();
peer.setId(localPeerId);
Vote voteLocalPeerIsLeader = new Vote(localPeerId, 0);
peer.setCurrentVote(voteLocalPeerIsLeader);
assertTrue(peer.isLeader(localPeerId));
}
@Test
public void testLocalPeerIsNotLeader() throws Exception {
long localPeerId = 7;
long otherPeerId = 17;
QuorumPeer peer = new QuorumPeer();
peer.setId(localPeerId);
Vote voteLocalPeerIsNotLeader = new Vote(otherPeerId, 0);
peer.setCurrentVote(voteLocalPeerIsNotLeader);
assertFalse(peer.isLeader(localPeerId));
}
@Test
public void testIsNotLeaderBecauseNoVote() throws Exception {
long localPeerId = 7;
QuorumPeer peer = new QuorumPeer();
peer.setId(localPeerId);
peer.setCurrentVote(null);
assertFalse(peer.isLeader(localPeerId));
}
}
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