/**
* 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.assertFalse;
import static org.junit.Assert.assertTrue;
import java.io.IOException;
import org.junit.Test;
import com.yahoo.omid.tso.messages.AbortedTransactionReport;
import com.yahoo.omid.tso.messages.CleanedTransactionReport;
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 TestBasicTransaction extends TSOTestBase {
@Test
public void testConflicts() throws IOException, InterruptedException {
clientHandler.sendMessage(new TimestampRequest());
clientHandler.receiveBootstrap();
TimestampResponse tr1 = clientHandler.receiveMessage(TimestampResponse.class);
clientHandler.sendMessage(new TimestampRequest());
TimestampResponse tr2 = clientHandler.receiveMessage(TimestampResponse.class);
clientHandler.sendMessage(new CommitRequest(tr1.timestamp, new RowKey[] { r1 }));
CommitResponse cr1 = clientHandler.receiveMessage(CommitResponse.class);
assertTrue(cr1.committed);
assertEquals(tr1.timestamp, cr1.startTimestamp);
clientHandler.sendMessage(new CommitRequest(tr2.timestamp, new RowKey[] { r1, r2 }));
CommitResponse cr2 = clientHandler.receiveMessage(CommitResponse.class);
assertFalse(cr2.committed);
// TODO fix this. Commiting an already committed value (either failed or commited) should fail
// FIXME to do this.
// clientHandler.sendMessage(new CommitRequest(tr1.timestamp, new RowKey[] { r2 }));
// messageReceived = clientHandler.receiveMessage();
// assertThat(messageReceived, is(CommitResponse.class));
// CommitResponse cr3 = (CommitResponse) messageReceived;
// assertFalse(cr3.committed);
clientHandler.sendMessage(new TimestampRequest());
// Pending commit report
CommittedTransactionReport ctr1 = clientHandler.receiveMessage(CommittedTransactionReport.class);
assertEquals(cr1.startTimestamp, ctr1.startTimestamp);
assertEquals(cr1.commitTimestamp, ctr1.commitTimestamp);
// Aborted transaction report
AbortedTransactionReport atr = clientHandler.receiveMessage(AbortedTransactionReport.class);
assertEquals(cr2.startTimestamp, atr.startTimestamp);
// Full Abort report
CleanedTransactionReport cltr = clientHandler.receiveMessage(CleanedTransactionReport.class);
assertEquals(cr2.startTimestamp, cltr.startTimestamp);
TimestampResponse tr3 = clientHandler.receiveMessage(TimestampResponse.class);
clientHandler.sendMessage(new CommitRequest(tr3.timestamp, new RowKey[] { r1, r2 }));
CommitResponse cr3 = clientHandler.receiveMessage(CommitResponse.class);
assertTrue(cr3.committed);
assertEquals(tr3.timestamp, cr3.startTimestamp);
clientHandler.sendMessage(new TimestampRequest());
// Pending commit report
CommittedTransactionReport ctr3 = clientHandler.receiveMessage(CommittedTransactionReport.class);
assertEquals(cr3.startTimestamp, ctr3.startTimestamp);
assertEquals(cr3.commitTimestamp, ctr3.commitTimestamp);
TimestampResponse tr4 = clientHandler.receiveMessage(TimestampResponse.class);
clientHandler.sendMessage(new CommitRequest(tr4.timestamp, new RowKey[] { r2 }));
CommitResponse cr4 = clientHandler.receiveMessage(CommitResponse.class);
assertTrue(cr4.committed);
assertEquals(tr4.timestamp, cr4.startTimestamp);
// Fetch commit report
clientHandler.sendMessage(new TimestampRequest());
clientHandler.receiveMessage(CommittedTransactionReport.class);
clientHandler.receiveMessage(TimestampResponse.class);
}
}