/*
* 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.jackrabbit.oak.plugins.segment.standby;
import org.apache.jackrabbit.oak.plugins.segment.SegmentNodeStore;
import org.apache.jackrabbit.oak.plugins.segment.SegmentTestUtils;
import org.apache.jackrabbit.oak.plugins.segment.standby.client.StandbyClient;
import org.apache.jackrabbit.oak.plugins.segment.standby.server.StandbyServer;
import org.apache.jackrabbit.oak.spi.state.NodeStore;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import static junit.framework.Assert.assertFalse;
import static org.junit.Assert.assertEquals;
public class FailoverMultipleClientsTest extends TestBase {
@Before
public void setUp() throws Exception {
setUpServerAndTwoClients();
}
@After
public void after() {
closeServerAndTwoClients();
}
@Test
public void testMultipleClients() throws Exception {
NodeStore store = new SegmentNodeStore(storeS);
final StandbyServer server = new StandbyServer(port, storeS);
server.start();
SegmentTestUtils.addTestContent(store, "server");
storeS.flush(); // this speeds up the test a little bit...
StandbyClient cl1 = new StandbyClient("127.0.0.1", port, storeC);
StandbyClient cl2 = new StandbyClient("127.0.0.1", port, storeC2);
try {
assertFalse("first client has invalid initial store!", storeS.getHead().equals(storeC.getHead()));
assertFalse("second client has invalid initial store!", storeS.getHead().equals(storeC2.getHead()));
assertEquals(storeC.getHead(), storeC2.getHead());
cl1.run();
cl2.run();
assertEquals(storeS.getHead(), storeC.getHead());
assertEquals(storeS.getHead(), storeC2.getHead());
cl1.stop();
SegmentTestUtils.addTestContent(store, "test");
cl2.run();
assertEquals(storeS.getHead(), storeC2.getHead());
assertFalse("first client updated in stopped state!", storeS.getHead().equals(storeC.getHead()));
cl1.start();
assertEquals(storeS.getHead(), storeC.getHead());
} finally {
server.close();
cl1.close();
cl2.close();
}
}
}