/*
* 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.flink.runtime.operators;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.atomic.AtomicBoolean;
import org.apache.flink.api.common.functions.FlatJoinFunction;
import org.apache.flink.api.common.typeutils.record.RecordComparator;
import org.apache.flink.api.common.typeutils.record.RecordPairComparatorFactory;
import org.apache.flink.api.java.record.functions.JoinFunction;
import org.apache.flink.runtime.operators.testutils.DelayingInfinitiveInputIterator;
import org.apache.flink.runtime.operators.testutils.DriverTestBase;
import org.apache.flink.runtime.operators.testutils.ExpectedTestException;
import org.apache.flink.runtime.operators.testutils.NirvanaOutputList;
import org.apache.flink.runtime.operators.testutils.TaskCancelThread;
import org.apache.flink.runtime.operators.testutils.UniformRecordGenerator;
import org.apache.flink.types.IntValue;
import org.apache.flink.types.Key;
import org.apache.flink.types.Record;
import org.apache.flink.util.Collector;
import org.junit.Assert;
import org.junit.Test;
public class MatchTaskTest extends DriverTestBase<FlatJoinFunction<Record, Record, Record>>
{
private static final long HASH_MEM = 6*1024*1024;
private static final long SORT_MEM = 3*1024*1024;
private static final int NUM_SORTER = 2;
private static final long BNLJN_MEM = 10 * PAGE_SIZE;
private final double bnljn_frac;
private final double hash_frac;
@SuppressWarnings("unchecked")
private final RecordComparator comparator1 = new RecordComparator(
new int[]{0}, (Class<? extends Key<?>>[])new Class[]{ IntValue.class });
@SuppressWarnings("unchecked")
private final RecordComparator comparator2 = new RecordComparator(
new int[]{0}, (Class<? extends Key<?>>[])new Class[]{ IntValue.class });
private final List<Record> outList = new ArrayList<Record>();
public MatchTaskTest() {
super(HASH_MEM, NUM_SORTER, SORT_MEM);
bnljn_frac = (double)BNLJN_MEM/this.getMemoryManager().getMemorySize();
hash_frac = (double)HASH_MEM/this.getMemoryManager().getMemorySize();
}
@Test
public void testSortBoth1MatchTask() {
final int keyCnt1 = 20;
final int valCnt1 = 1;
final int keyCnt2 = 10;
final int valCnt2 = 2;
setOutput(this.outList);
addDriverComparator(this.comparator1);
addDriverComparator(this.comparator2);
getTaskConfig().setDriverPairComparator(RecordPairComparatorFactory.get());
getTaskConfig().setDriverStrategy(DriverStrategy.MERGE);
getTaskConfig().setRelativeMemoryDriver(bnljn_frac);
setNumFileHandlesForSort(4);
final MatchDriver<Record, Record, Record> testTask = new MatchDriver<Record, Record, Record>();
try {
addInputSorted(new UniformRecordGenerator(keyCnt1, valCnt1, false), this.comparator1.duplicate());
addInputSorted(new UniformRecordGenerator(keyCnt2, valCnt2, false), this.comparator2.duplicate());
testDriver(testTask, MockMatchStub.class);
} catch (Exception e) {
e.printStackTrace();
Assert.fail("The test caused an exception.");
}
final int expCnt = valCnt1*valCnt2*Math.min(keyCnt1, keyCnt2);
Assert.assertTrue("Resultset size was " + this.outList.size() + ". Expected was " + expCnt, this.outList.size() == expCnt);
this.outList.clear();
}
@Test
public void testSortBoth2MatchTask() {
int keyCnt1 = 20;
int valCnt1 = 1;
int keyCnt2 = 20;
int valCnt2 = 1;
setOutput(this.outList);
addDriverComparator(this.comparator1);
addDriverComparator(this.comparator2);
getTaskConfig().setDriverPairComparator(RecordPairComparatorFactory.get());
getTaskConfig().setDriverStrategy(DriverStrategy.MERGE);
getTaskConfig().setRelativeMemoryDriver(bnljn_frac);
setNumFileHandlesForSort(4);
final MatchDriver<Record, Record, Record> testTask = new MatchDriver<Record, Record, Record>();
try {
addInputSorted(new UniformRecordGenerator(keyCnt1, valCnt1, false), this.comparator1.duplicate());
addInputSorted(new UniformRecordGenerator(keyCnt2, valCnt2, false), this.comparator2.duplicate());
testDriver(testTask, MockMatchStub.class);
} catch (Exception e) {
e.printStackTrace();
Assert.fail("The test caused an exception.");
}
int expCnt = valCnt1*valCnt2*Math.min(keyCnt1, keyCnt2);
Assert.assertTrue("Resultset size was "+this.outList.size()+". Expected was "+expCnt, this.outList.size() == expCnt);
this.outList.clear();
}
@Test
public void testSortBoth3MatchTask() {
int keyCnt1 = 20;
int valCnt1 = 1;
int keyCnt2 = 20;
int valCnt2 = 20;
setOutput(this.outList);
addDriverComparator(this.comparator1);
addDriverComparator(this.comparator2);
getTaskConfig().setDriverPairComparator(RecordPairComparatorFactory.get());
getTaskConfig().setDriverStrategy(DriverStrategy.MERGE);
getTaskConfig().setRelativeMemoryDriver(bnljn_frac);
setNumFileHandlesForSort(4);
final MatchDriver<Record, Record, Record> testTask = new MatchDriver<Record, Record, Record>();
try {
addInputSorted(new UniformRecordGenerator(keyCnt1, valCnt1, false), this.comparator1.duplicate());
addInputSorted(new UniformRecordGenerator(keyCnt2, valCnt2, false), this.comparator2.duplicate());
testDriver(testTask, MockMatchStub.class);
} catch (Exception e) {
e.printStackTrace();
Assert.fail("The test caused an exception.");
}
int expCnt = valCnt1*valCnt2*Math.min(keyCnt1, keyCnt2);
Assert.assertTrue("Resultset size was "+this.outList.size()+". Expected was "+expCnt, this.outList.size() == expCnt);
this.outList.clear();
}
@Test
public void testSortBoth4MatchTask() {
int keyCnt1 = 20;
int valCnt1 = 20;
int keyCnt2 = 20;
int valCnt2 = 1;
setOutput(this.outList);
addDriverComparator(this.comparator1);
addDriverComparator(this.comparator2);
getTaskConfig().setDriverPairComparator(RecordPairComparatorFactory.get());
getTaskConfig().setDriverStrategy(DriverStrategy.MERGE);
getTaskConfig().setRelativeMemoryDriver(bnljn_frac);
setNumFileHandlesForSort(4);
final MatchDriver<Record, Record, Record> testTask = new MatchDriver<Record, Record, Record>();
try {
addInputSorted(new UniformRecordGenerator(keyCnt1, valCnt1, false), this.comparator1.duplicate());
addInputSorted(new UniformRecordGenerator(keyCnt2, valCnt2, false), this.comparator2.duplicate());
testDriver(testTask, MockMatchStub.class);
} catch (Exception e) {
e.printStackTrace();
Assert.fail("The test caused an exception.");
}
int expCnt = valCnt1*valCnt2*Math.min(keyCnt1, keyCnt2);
Assert.assertTrue("Resultset size was "+this.outList.size()+". Expected was "+expCnt, this.outList.size() == expCnt);
this.outList.clear();
}
@Test
public void testSortBoth5MatchTask() {
int keyCnt1 = 20;
int valCnt1 = 20;
int keyCnt2 = 20;
int valCnt2 = 20;
setOutput(this.outList);
addDriverComparator(this.comparator1);
addDriverComparator(this.comparator2);
getTaskConfig().setDriverPairComparator(RecordPairComparatorFactory.get());
getTaskConfig().setDriverStrategy(DriverStrategy.MERGE);
getTaskConfig().setRelativeMemoryDriver(bnljn_frac);
setNumFileHandlesForSort(4);
final MatchDriver<Record, Record, Record> testTask = new MatchDriver<Record, Record, Record>();
try {
addInputSorted(new UniformRecordGenerator(keyCnt1, valCnt1, false), this.comparator1.duplicate());
addInputSorted(new UniformRecordGenerator(keyCnt2, valCnt2, false), this.comparator2.duplicate());
testDriver(testTask, MockMatchStub.class);
} catch (Exception e) {
e.printStackTrace();
Assert.fail("The test caused an exception.");
}
int expCnt = valCnt1*valCnt2*Math.min(keyCnt1, keyCnt2);
Assert.assertTrue("Resultset size was "+this.outList.size()+". Expected was "+expCnt, this.outList.size() == expCnt);
this.outList.clear();
}
@Test
public void testSortFirstMatchTask() {
int keyCnt1 = 20;
int valCnt1 = 20;
int keyCnt2 = 20;
int valCnt2 = 20;
setOutput(this.outList);
addDriverComparator(this.comparator1);
addDriverComparator(this.comparator2);
getTaskConfig().setDriverPairComparator(RecordPairComparatorFactory.get());
getTaskConfig().setDriverStrategy(DriverStrategy.MERGE);
getTaskConfig().setRelativeMemoryDriver(bnljn_frac);
setNumFileHandlesForSort(4);
final MatchDriver<Record, Record, Record> testTask = new MatchDriver<Record, Record, Record>();
try {
addInputSorted(new UniformRecordGenerator(keyCnt1, valCnt1, false), this.comparator1.duplicate());
addInput(new UniformRecordGenerator(keyCnt2, valCnt2, true));
testDriver(testTask, MockMatchStub.class);
} catch (Exception e) {
e.printStackTrace();
Assert.fail("The test caused an exception.");
}
int expCnt = valCnt1*valCnt2*Math.min(keyCnt1, keyCnt2);
Assert.assertTrue("Resultset size was "+this.outList.size()+". Expected was "+expCnt, this.outList.size() == expCnt);
this.outList.clear();
}
@Test
public void testSortSecondMatchTask() {
int keyCnt1 = 20;
int valCnt1 = 20;
int keyCnt2 = 20;
int valCnt2 = 20;
setOutput(this.outList);
addDriverComparator(this.comparator1);
addDriverComparator(this.comparator2);
getTaskConfig().setDriverPairComparator(RecordPairComparatorFactory.get());
getTaskConfig().setDriverStrategy(DriverStrategy.MERGE);
getTaskConfig().setRelativeMemoryDriver(bnljn_frac);
setNumFileHandlesForSort(4);
final MatchDriver<Record, Record, Record> testTask = new MatchDriver<Record, Record, Record>();
try {
addInput(new UniformRecordGenerator(keyCnt1, valCnt1, true));
addInputSorted(new UniformRecordGenerator(keyCnt2, valCnt2, false), this.comparator2.duplicate());
testDriver(testTask, MockMatchStub.class);
} catch (Exception e) {
e.printStackTrace();
Assert.fail("The test caused an exception.");
}
int expCnt = valCnt1*valCnt2*Math.min(keyCnt1, keyCnt2);
Assert.assertTrue("Resultset size was "+this.outList.size()+". Expected was "+expCnt, this.outList.size() == expCnt);
this.outList.clear();
}
@Test
public void testMergeMatchTask() {
int keyCnt1 = 20;
int valCnt1 = 20;
int keyCnt2 = 20;
int valCnt2 = 20;
setOutput(this.outList);
addDriverComparator(this.comparator1);
addDriverComparator(this.comparator2);
getTaskConfig().setDriverPairComparator(RecordPairComparatorFactory.get());
getTaskConfig().setDriverStrategy(DriverStrategy.MERGE);
getTaskConfig().setRelativeMemoryDriver(bnljn_frac);
setNumFileHandlesForSort(4);
final MatchDriver<Record, Record, Record> testTask = new MatchDriver<Record, Record, Record>();
addInput(new UniformRecordGenerator(keyCnt1, valCnt1, true));
addInput(new UniformRecordGenerator(keyCnt2, valCnt2, true));
try {
testDriver(testTask, MockMatchStub.class);
} catch (Exception e) {
e.printStackTrace();
Assert.fail("The test caused an exception.");
}
int expCnt = valCnt1*valCnt2*Math.min(keyCnt1, keyCnt2);
Assert.assertTrue("Resultset size was "+this.outList.size()+". Expected was "+expCnt, this.outList.size() == expCnt);
this.outList.clear();
}
@Test
public void testFailingMatchTask() {
int keyCnt1 = 20;
int valCnt1 = 20;
int keyCnt2 = 20;
int valCnt2 = 20;
setOutput(new NirvanaOutputList());
addDriverComparator(this.comparator1);
addDriverComparator(this.comparator2);
getTaskConfig().setDriverPairComparator(RecordPairComparatorFactory.get());
getTaskConfig().setDriverStrategy(DriverStrategy.MERGE);
getTaskConfig().setRelativeMemoryDriver(bnljn_frac);
setNumFileHandlesForSort(4);
final MatchDriver<Record, Record, Record> testTask = new MatchDriver<Record, Record, Record>();
addInput(new UniformRecordGenerator(keyCnt1, valCnt1, true));
addInput(new UniformRecordGenerator(keyCnt2, valCnt2, true));
try {
testDriver(testTask, MockFailingMatchStub.class);
Assert.fail("Driver did not forward Exception.");
} catch (ExpectedTestException e) {
// good!
} catch (Exception e) {
e.printStackTrace();
Assert.fail("The test caused an exception.");
}
}
@Test
public void testCancelMatchTaskWhileSort1() {
int keyCnt = 20;
int valCnt = 20;
setOutput(new NirvanaOutputList());
addDriverComparator(this.comparator1);
addDriverComparator(this.comparator2);
getTaskConfig().setDriverPairComparator(RecordPairComparatorFactory.get());
getTaskConfig().setDriverStrategy(DriverStrategy.MERGE);
getTaskConfig().setRelativeMemoryDriver(bnljn_frac);
setNumFileHandlesForSort(4);
final MatchDriver<Record, Record, Record> testTask = new MatchDriver<Record, Record, Record>();
try {
addInputSorted(new DelayingInfinitiveInputIterator(100), this.comparator1.duplicate());
addInput(new UniformRecordGenerator(keyCnt, valCnt, true));
} catch (Exception e) {
e.printStackTrace();
Assert.fail("The test caused an exception.");
}
final AtomicBoolean success = new AtomicBoolean(false);
Thread taskRunner = new Thread() {
@Override
public void run() {
try {
testDriver(testTask, MockMatchStub.class);
success.set(true);
} catch (Exception ie) {
ie.printStackTrace();
}
}
};
taskRunner.start();
TaskCancelThread tct = new TaskCancelThread(1, taskRunner, this);
tct.start();
try {
tct.join();
taskRunner.join();
} catch(InterruptedException ie) {
Assert.fail("Joining threads failed");
}
Assert.assertTrue("Test threw an exception even though it was properly canceled.", success.get());
}
@Test
public void testCancelMatchTaskWhileSort2() {
int keyCnt = 20;
int valCnt = 20;
setOutput(new NirvanaOutputList());
addDriverComparator(this.comparator1);
addDriverComparator(this.comparator2);
getTaskConfig().setDriverPairComparator(RecordPairComparatorFactory.get());
getTaskConfig().setDriverStrategy(DriverStrategy.MERGE);
getTaskConfig().setRelativeMemoryDriver(bnljn_frac);
setNumFileHandlesForSort(4);
final MatchDriver<Record, Record, Record> testTask = new MatchDriver<Record, Record, Record>();
try {
addInput(new UniformRecordGenerator(keyCnt, valCnt, true));
addInputSorted(new DelayingInfinitiveInputIterator(100), this.comparator1.duplicate());
} catch (Exception e) {
e.printStackTrace();
Assert.fail("The test caused an exception.");
}
final AtomicBoolean success = new AtomicBoolean(false);
Thread taskRunner = new Thread() {
@Override
public void run() {
try {
testDriver(testTask, MockMatchStub.class);
success.set(true);
} catch (Exception ie) {
ie.printStackTrace();
}
}
};
taskRunner.start();
TaskCancelThread tct = new TaskCancelThread(1, taskRunner, this);
tct.start();
try {
tct.join();
taskRunner.join();
} catch(InterruptedException ie) {
Assert.fail("Joining threads failed");
}
Assert.assertTrue("Test threw an exception even though it was properly canceled.", success.get());
}
@Test
public void testCancelMatchTaskWhileMatching() {
int keyCnt = 20;
int valCnt = 20;
setOutput(new NirvanaOutputList());
addDriverComparator(this.comparator1);
addDriverComparator(this.comparator2);
getTaskConfig().setDriverPairComparator(RecordPairComparatorFactory.get());
getTaskConfig().setDriverStrategy(DriverStrategy.MERGE);
getTaskConfig().setRelativeMemoryDriver(bnljn_frac);
setNumFileHandlesForSort(4);
final MatchDriver<Record, Record, Record> testTask = new MatchDriver<Record, Record, Record>();
addInput(new UniformRecordGenerator(keyCnt, valCnt, true));
addInput(new UniformRecordGenerator(keyCnt, valCnt, true));
final AtomicBoolean success = new AtomicBoolean(false);
Thread taskRunner = new Thread() {
@Override
public void run() {
try {
testDriver(testTask, MockDelayingMatchStub.class);
success.set(true);
} catch (Exception ie) {
ie.printStackTrace();
}
}
};
taskRunner.start();
TaskCancelThread tct = new TaskCancelThread(1, taskRunner, this);
tct.start();
try {
tct.join();
taskRunner.join();
} catch(InterruptedException ie) {
Assert.fail("Joining threads failed");
}
Assert.assertTrue("Test threw an exception even though it was properly canceled.", success.get());
}
@Test
public void testHash1MatchTask() {
int keyCnt1 = 20;
int valCnt1 = 1;
int keyCnt2 = 10;
int valCnt2 = 2;
addInput(new UniformRecordGenerator(keyCnt1, valCnt1, false));
addInput(new UniformRecordGenerator(keyCnt2, valCnt2, false));
addDriverComparator(this.comparator1);
addDriverComparator(this.comparator2);
getTaskConfig().setDriverPairComparator(RecordPairComparatorFactory.get());
setOutput(this.outList);
getTaskConfig().setDriverStrategy(DriverStrategy.HYBRIDHASH_BUILD_FIRST);
getTaskConfig().setRelativeMemoryDriver(hash_frac);
MatchDriver<Record, Record, Record> testTask = new MatchDriver<Record, Record, Record>();
try {
testDriver(testTask, MockMatchStub.class);
} catch (Exception e) {
e.printStackTrace();
Assert.fail("Test caused an exception.");
}
final int expCnt = valCnt1*valCnt2*Math.min(keyCnt1, keyCnt2);
Assert.assertEquals("Wrong result set size.", expCnt, this.outList.size());
this.outList.clear();
}
@Test
public void testHash2MatchTask() {
int keyCnt1 = 20;
int valCnt1 = 1;
int keyCnt2 = 20;
int valCnt2 = 1;
addInput(new UniformRecordGenerator(keyCnt1, valCnt1, false));
addInput(new UniformRecordGenerator(keyCnt2, valCnt2, false));
addDriverComparator(this.comparator1);
addDriverComparator(this.comparator2);
getTaskConfig().setDriverPairComparator(RecordPairComparatorFactory.get());
setOutput(this.outList);
getTaskConfig().setDriverStrategy(DriverStrategy.HYBRIDHASH_BUILD_SECOND);
getTaskConfig().setRelativeMemoryDriver(hash_frac);
MatchDriver<Record, Record, Record> testTask = new MatchDriver<Record, Record, Record>();
try {
testDriver(testTask, MockMatchStub.class);
} catch (Exception e) {
e.printStackTrace();
Assert.fail("Test caused an exception.");
}
final int expCnt = valCnt1*valCnt2*Math.min(keyCnt1, keyCnt2);
Assert.assertEquals("Wrong result set size.", expCnt, this.outList.size());
this.outList.clear();
}
@Test
public void testHash3MatchTask() {
int keyCnt1 = 20;
int valCnt1 = 1;
int keyCnt2 = 20;
int valCnt2 = 20;
addInput(new UniformRecordGenerator(keyCnt1, valCnt1, false));
addInput(new UniformRecordGenerator(keyCnt2, valCnt2, false));
addDriverComparator(this.comparator1);
addDriverComparator(this.comparator2);
getTaskConfig().setDriverPairComparator(RecordPairComparatorFactory.get());
setOutput(this.outList);
getTaskConfig().setDriverStrategy(DriverStrategy.HYBRIDHASH_BUILD_FIRST);
getTaskConfig().setRelativeMemoryDriver(hash_frac);
MatchDriver<Record, Record, Record> testTask = new MatchDriver<Record, Record, Record>();
try {
testDriver(testTask, MockMatchStub.class);
} catch (Exception e) {
e.printStackTrace();
Assert.fail("Test caused an exception.");
}
final int expCnt = valCnt1*valCnt2*Math.min(keyCnt1, keyCnt2);
Assert.assertEquals("Wrong result set size.", expCnt, this.outList.size());
this.outList.clear();
}
@Test
public void testHash4MatchTask() {
int keyCnt1 = 20;
int valCnt1 = 20;
int keyCnt2 = 20;
int valCnt2 = 1;
addInput(new UniformRecordGenerator(keyCnt1, valCnt1, false));
addInput(new UniformRecordGenerator(keyCnt2, valCnt2, false));
addDriverComparator(this.comparator1);
addDriverComparator(this.comparator2);
getTaskConfig().setDriverPairComparator(RecordPairComparatorFactory.get());
setOutput(this.outList);
getTaskConfig().setDriverStrategy(DriverStrategy.HYBRIDHASH_BUILD_SECOND);
getTaskConfig().setRelativeMemoryDriver(hash_frac);
MatchDriver<Record, Record, Record> testTask = new MatchDriver<Record, Record, Record>();
try {
testDriver(testTask, MockMatchStub.class);
} catch (Exception e) {
e.printStackTrace();
Assert.fail("Test caused an exception.");
}
final int expCnt = valCnt1*valCnt2*Math.min(keyCnt1, keyCnt2);
Assert.assertEquals("Wrong result set size.", expCnt, this.outList.size());
this.outList.clear();
}
@Test
public void testHash5MatchTask() {
int keyCnt1 = 20;
int valCnt1 = 20;
int keyCnt2 = 20;
int valCnt2 = 20;
addInput(new UniformRecordGenerator(keyCnt1, valCnt1, false));
addInput(new UniformRecordGenerator(keyCnt2, valCnt2, false));
addDriverComparator(this.comparator1);
addDriverComparator(this.comparator2);
getTaskConfig().setDriverPairComparator(RecordPairComparatorFactory.get());
setOutput(this.outList);
getTaskConfig().setDriverStrategy(DriverStrategy.HYBRIDHASH_BUILD_FIRST);
getTaskConfig().setRelativeMemoryDriver(hash_frac);
MatchDriver<Record, Record, Record> testTask = new MatchDriver<Record, Record, Record>();
try {
testDriver(testTask, MockMatchStub.class);
} catch (Exception e) {
e.printStackTrace();
Assert.fail("Test caused an exception.");
}
final int expCnt = valCnt1*valCnt2*Math.min(keyCnt1, keyCnt2);
Assert.assertEquals("Wrong result set size.", expCnt, this.outList.size());
this.outList.clear();
}
@Test
public void testFailingHashFirstMatchTask() {
int keyCnt1 = 20;
int valCnt1 = 20;
int keyCnt2 = 20;
int valCnt2 = 20;
addInput(new UniformRecordGenerator(keyCnt1, valCnt1, false));
addInput(new UniformRecordGenerator(keyCnt2, valCnt2, false));
addDriverComparator(this.comparator1);
addDriverComparator(this.comparator2);
getTaskConfig().setDriverPairComparator(RecordPairComparatorFactory.get());
setOutput(new NirvanaOutputList());
getTaskConfig().setDriverStrategy(DriverStrategy.HYBRIDHASH_BUILD_FIRST);
getTaskConfig().setRelativeMemoryDriver(hash_frac);
MatchDriver<Record, Record, Record> testTask = new MatchDriver<Record, Record, Record>();
try {
testDriver(testTask, MockFailingMatchStub.class);
Assert.fail("Function exception was not forwarded.");
} catch (ExpectedTestException etex) {
// good!
} catch (Exception e) {
e.printStackTrace();
Assert.fail("Test caused an exception.");
}
}
@Test
public void testFailingHashSecondMatchTask() {
int keyCnt1 = 20;
int valCnt1 = 20;
int keyCnt2 = 20;
int valCnt2 = 20;
addInput(new UniformRecordGenerator(keyCnt1, valCnt1, false));
addInput(new UniformRecordGenerator(keyCnt2, valCnt2, false));
addDriverComparator(this.comparator1);
addDriverComparator(this.comparator2);
getTaskConfig().setDriverPairComparator(RecordPairComparatorFactory.get());
setOutput(new NirvanaOutputList());
getTaskConfig().setDriverStrategy(DriverStrategy.HYBRIDHASH_BUILD_SECOND);
getTaskConfig().setRelativeMemoryDriver(hash_frac);
MatchDriver<Record, Record, Record> testTask = new MatchDriver<Record, Record, Record>();
try {
testDriver(testTask, MockFailingMatchStub.class);
Assert.fail("Function exception was not forwarded.");
} catch (ExpectedTestException etex) {
// good!
} catch (Exception e) {
e.printStackTrace();
Assert.fail("Test caused an exception.");
}
}
@Test
public void testCancelHashMatchTaskWhileBuildFirst() {
int keyCnt = 20;
int valCnt = 20;
addInput(new DelayingInfinitiveInputIterator(100));
addInput(new UniformRecordGenerator(keyCnt, valCnt, false));
addDriverComparator(this.comparator1);
addDriverComparator(this.comparator2);
getTaskConfig().setDriverPairComparator(RecordPairComparatorFactory.get());
setOutput(new NirvanaOutputList());
getTaskConfig().setDriverStrategy(DriverStrategy.HYBRIDHASH_BUILD_FIRST);
getTaskConfig().setRelativeMemoryDriver(hash_frac);
final MatchDriver<Record, Record, Record> testTask = new MatchDriver<Record, Record, Record>();
final AtomicBoolean success = new AtomicBoolean(false);
Thread taskRunner = new Thread() {
@Override
public void run() {
try {
testDriver(testTask, MockMatchStub.class);
success.set(true);
} catch (Exception ie) {
ie.printStackTrace();
}
}
};
taskRunner.start();
TaskCancelThread tct = new TaskCancelThread(1, taskRunner, this);
tct.start();
try {
tct.join();
taskRunner.join();
} catch(InterruptedException ie) {
Assert.fail("Joining threads failed");
}
Assert.assertTrue("Test threw an exception even though it was properly canceled.", success.get());
}
@Test
public void testHashCancelMatchTaskWhileBuildSecond() {
int keyCnt = 20;
int valCnt = 20;
addInput(new UniformRecordGenerator(keyCnt, valCnt, false));
addInput(new DelayingInfinitiveInputIterator(100));
addDriverComparator(this.comparator1);
addDriverComparator(this.comparator2);
getTaskConfig().setDriverPairComparator(RecordPairComparatorFactory.get());
setOutput(new NirvanaOutputList());
getTaskConfig().setDriverStrategy(DriverStrategy.HYBRIDHASH_BUILD_SECOND);
getTaskConfig().setRelativeMemoryDriver(hash_frac);
final MatchDriver<Record, Record, Record> testTask = new MatchDriver<Record, Record, Record>();
final AtomicBoolean success = new AtomicBoolean(false);
Thread taskRunner = new Thread() {
@Override
public void run() {
try {
testDriver(testTask, MockMatchStub.class);
success.set(true);
} catch (Exception ie) {
ie.printStackTrace();
}
}
};
taskRunner.start();
TaskCancelThread tct = new TaskCancelThread(1, taskRunner, this);
tct.start();
try {
tct.join();
taskRunner.join();
} catch(InterruptedException ie) {
Assert.fail("Joining threads failed");
}
Assert.assertTrue("Test threw an exception even though it was properly canceled.", success.get());
}
@Test
public void testHashFirstCancelMatchTaskWhileMatching() {
int keyCnt = 20;
int valCnt = 20;
addInput(new UniformRecordGenerator(keyCnt, valCnt, false));
addInput(new UniformRecordGenerator(keyCnt, valCnt, false));
addDriverComparator(this.comparator1);
addDriverComparator(this.comparator2);
getTaskConfig().setDriverPairComparator(RecordPairComparatorFactory.get());
setOutput(new NirvanaOutputList());
getTaskConfig().setDriverStrategy(DriverStrategy.HYBRIDHASH_BUILD_FIRST);
getTaskConfig().setRelativeMemoryDriver(hash_frac);
final MatchDriver<Record, Record, Record> testTask = new MatchDriver<Record, Record, Record>();
final AtomicBoolean success = new AtomicBoolean(false);
Thread taskRunner = new Thread() {
@Override
public void run() {
try {
testDriver(testTask, MockMatchStub.class);
success.set(true);
} catch (Exception ie) {
ie.printStackTrace();
}
}
};
taskRunner.start();
TaskCancelThread tct = new TaskCancelThread(1, taskRunner, this);
tct.start();
try {
tct.join();
taskRunner.join();
} catch(InterruptedException ie) {
Assert.fail("Joining threads failed");
}
Assert.assertTrue("Test threw an exception even though it was properly canceled.", success.get());
}
@Test
public void testHashSecondCancelMatchTaskWhileMatching() {
int keyCnt = 20;
int valCnt = 20;
addInput(new UniformRecordGenerator(keyCnt, valCnt, false));
addInput(new UniformRecordGenerator(keyCnt, valCnt, false));
addDriverComparator(this.comparator1);
addDriverComparator(this.comparator2);
getTaskConfig().setDriverPairComparator(RecordPairComparatorFactory.get());
setOutput(new NirvanaOutputList());
getTaskConfig().setDriverStrategy(DriverStrategy.HYBRIDHASH_BUILD_SECOND);
getTaskConfig().setRelativeMemoryDriver(hash_frac);
final MatchDriver<Record, Record, Record> testTask = new MatchDriver<Record, Record, Record>();
final AtomicBoolean success = new AtomicBoolean(false);
Thread taskRunner = new Thread() {
@Override
public void run() {
try {
testDriver(testTask, MockMatchStub.class);
success.set(true);
} catch (Exception ie) {
ie.printStackTrace();
}
}
};
taskRunner.start();
TaskCancelThread tct = new TaskCancelThread(1, taskRunner, this);
tct.start();
try {
tct.join();
taskRunner.join();
} catch(InterruptedException ie) {
Assert.fail("Joining threads failed");
}
Assert.assertTrue("Test threw an exception even though it was properly canceled.", success.get());
}
// =================================================================================================
public static final class MockMatchStub extends JoinFunction {
private static final long serialVersionUID = 1L;
@Override
public void join(Record record1, Record record2, Collector<Record> out) throws Exception {
out.collect(record1);
}
}
public static final class MockFailingMatchStub extends JoinFunction {
private static final long serialVersionUID = 1L;
private int cnt = 0;
@Override
public void join(Record record1, Record record2, Collector<Record> out) throws Exception {
if (++this.cnt >= 10) {
throw new ExpectedTestException();
}
out.collect(record1);
}
}
public static final class MockDelayingMatchStub extends JoinFunction {
private static final long serialVersionUID = 1L;
@Override
public void join(Record record1, Record record2, Collector<Record> out) throws Exception {
try {
Thread.sleep(100);
} catch (InterruptedException e) {
}
}
}
}