/**
* Copyright (c) 2011 Yahoo! Inc. All rights reserved.
*
* Licensed 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. See accompanying LICENSE file.
*/
package com.yahoo.omid.tso;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import org.junit.Test;
import com.yahoo.omid.tso.messages.CommitRequest;
import com.yahoo.omid.tso.messages.CommitResponse;
import com.yahoo.omid.tso.messages.CommittedTransactionReport;
import com.yahoo.omid.tso.messages.TimestampRequest;
import com.yahoo.omid.tso.messages.TimestampResponse;
public class TestCommitReport extends TSOTestBase {
@Test
public void testCommitReport() throws Exception {
clientHandler.sendMessage(new TimestampRequest());
clientHandler.receiveBootstrap();
TimestampResponse tr1 = clientHandler.receiveMessage(TimestampResponse.class);
clientHandler.sendMessage(new CommitRequest(tr1.timestamp));
CommitResponse cr1 = clientHandler.receiveMessage(CommitResponse.class);
assertTrue(cr1.committed);
assertTrue(cr1.commitTimestamp > tr1.timestamp);
assertEquals(tr1.timestamp, cr1.startTimestamp);
secondClientHandler.sendMessage(new TimestampRequest());
secondClientHandler.receiveBootstrap();
TimestampResponse tr2 = secondClientHandler.receiveMessage(TimestampResponse.class);
secondClientHandler.sendMessage(new CommitRequest(tr2.timestamp));
CommitResponse cr2 = secondClientHandler.receiveMessage(CommitResponse.class);
assertTrue(cr2.committed);
assertTrue(cr2.commitTimestamp > tr2.timestamp);
assertEquals(tr2.timestamp, cr2.startTimestamp);
clientHandler.sendMessage(new TimestampRequest());
// Txn 2 was a readonly transaction, so no committed info received
clientHandler.receiveMessage(TimestampResponse.class);
secondClientHandler.sendMessage(new TimestampRequest());
TimestampResponse tr3 = secondClientHandler.receiveMessage(TimestampResponse.class);
secondClientHandler.sendMessage(new CommitRequest(tr3.timestamp, new RowKey[] { r1 }));
CommitResponse cr3 = secondClientHandler.receiveMessage(CommitResponse.class);
assertTrue(cr3.committed);
assertTrue(cr3.commitTimestamp > tr3.timestamp);
assertEquals(tr3.timestamp, cr3.startTimestamp);
clientHandler.sendMessage(new TimestampRequest());
// Txn 3 did write, so we must receive CommittedReport
CommittedTransactionReport ctr = clientHandler.receiveMessage(CommittedTransactionReport.class);
assertEquals(cr3.startTimestamp, ctr.startTimestamp);
assertEquals(cr3.commitTimestamp, ctr.commitTimestamp);
clientHandler.receiveMessage(TimestampResponse.class);
}
}