/**
* 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.stratos.load.balancer.integration.tests;
import org.apache.stratos.load.balancer.algorithm.AlgorithmContext;
import org.apache.stratos.load.balancer.algorithm.RoundRobin;
import org.apache.stratos.messaging.domain.topology.Member;
import org.apache.stratos.messaging.domain.topology.MemberStatus;
import org.junit.Assert;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
import java.util.ArrayList;
import java.util.List;
/**
* Round robin algorithm test.
*/
@RunWith(JUnit4.class)
public class RoundRobinAlgorithmTest {
@Test
public final void testRoundRobinAlgorithm() {
List<Member> members = new ArrayList<Member>();
Member member = new Member("service1", "cluster1", "np1", "p1", "m1");
member.setStatus(MemberStatus.Activated);
members.add(member);
member = new Member("service1", "cluster1", "np1", "p1", "m2");
member.setStatus(MemberStatus.Activated);
members.add(member);
member = new Member("service1", "cluster1", "np1", "p1", "m3");
member.setStatus(MemberStatus.Activated);
members.add(member);
RoundRobin algorithm = new RoundRobin();
algorithm.setMembers(members);
AlgorithmContext algorithmContext = new AlgorithmContext("service1", "cluster1");
Member nextMember = algorithm.getNextMember(algorithmContext);
Assert.assertEquals("Expected member not found", true, "m1".equals(nextMember.getMemberId()));
nextMember = algorithm.getNextMember(algorithmContext);
Assert.assertEquals("Expected member not found", true, "m2".equals(nextMember.getMemberId()));
nextMember = algorithm.getNextMember(algorithmContext);
Assert.assertEquals("Expected member not found", true, "m3".equals(nextMember.getMemberId()));
nextMember = algorithm.getNextMember(algorithmContext);
Assert.assertEquals("Expected member not found", true, "m1".equals(nextMember.getMemberId()));
}
}