/***********************************************************************************************************************
* Copyright (C) 2010-2013 by the Stratosphere project (http://stratosphere.eu)
*
* 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.
**********************************************************************************************************************/
package eu.stratosphere.pact.runtime.task;
import java.util.concurrent.atomic.AtomicBoolean;
import junit.framework.Assert;
import org.junit.Test;
import eu.stratosphere.api.common.functions.GenericCrosser;
import eu.stratosphere.api.java.record.functions.CrossFunction;
import eu.stratosphere.pact.runtime.test.util.DelayingInfinitiveInputIterator;
import eu.stratosphere.pact.runtime.test.util.DriverTestBase;
import eu.stratosphere.pact.runtime.test.util.ExpectedTestException;
import eu.stratosphere.pact.runtime.test.util.TaskCancelThread;
import eu.stratosphere.pact.runtime.test.util.UniformRecordGenerator;
import eu.stratosphere.types.Record;
import eu.stratosphere.util.Collector;
public class CrossTaskTest extends DriverTestBase<GenericCrosser<Record, Record, Record>>
{
private static final long CROSS_MEM = 1024 * 1024;
private final CountingOutputCollector output = new CountingOutputCollector();
public CrossTaskTest() {
super(CROSS_MEM, 0);
}
@Test
public void testBlock1CrossTask()
{
int keyCnt1 = 10;
int valCnt1 = 1;
int keyCnt2 = 100;
int valCnt2 = 4;
final int expCnt = keyCnt1*valCnt1*keyCnt2*valCnt2;
setOutput(this.output);
addInput(new UniformRecordGenerator(keyCnt1, valCnt1, false));
addInput(new UniformRecordGenerator(keyCnt2, valCnt2, false));
getTaskConfig().setDriverStrategy(DriverStrategy.NESTEDLOOP_BLOCKED_OUTER_FIRST);
getTaskConfig().setMemoryDriver(CROSS_MEM);
final CrossDriver<Record, Record, Record> testTask = new CrossDriver<Record, Record, Record>();
try {
testDriver(testTask, MockCrossStub.class);
} catch (Exception e) {
e.printStackTrace();
Assert.fail("Test failed due to an exception.");
}
Assert.assertEquals("Wrong result size.", expCnt, this.output.getNumberOfRecords());
}
@Test
public void testBlock2CrossTask() {
int keyCnt1 = 10;
int valCnt1 = 1;
int keyCnt2 = 100;
int valCnt2 = 4;
final int expCnt = keyCnt1*valCnt1*keyCnt2*valCnt2;
setOutput(this.output);
addInput(new UniformRecordGenerator(keyCnt1, valCnt1, false));
addInput(new UniformRecordGenerator(keyCnt2, valCnt2, false));
getTaskConfig().setDriverStrategy(DriverStrategy.NESTEDLOOP_BLOCKED_OUTER_SECOND);
getTaskConfig().setMemoryDriver(CROSS_MEM);
final CrossDriver<Record, Record, Record> testTask = new CrossDriver<Record, Record, Record>();
try {
testDriver(testTask, MockCrossStub.class);
} catch (Exception e) {
e.printStackTrace();
Assert.fail("Test failed due to an exception.");
}
Assert.assertEquals("Wrong result size.", expCnt, this.output.getNumberOfRecords()); }
@Test
public void testFailingBlockCrossTask() {
int keyCnt1 = 10;
int valCnt1 = 1;
int keyCnt2 = 100;
int valCnt2 = 4;
setOutput(this.output);
addInput(new UniformRecordGenerator(keyCnt1, valCnt1, false));
addInput(new UniformRecordGenerator(keyCnt2, valCnt2, false));
getTaskConfig().setDriverStrategy(DriverStrategy.NESTEDLOOP_BLOCKED_OUTER_FIRST);
getTaskConfig().setMemoryDriver(CROSS_MEM);
final CrossDriver<Record, Record, Record> testTask = new CrossDriver<Record, Record, Record>();
try {
testDriver(testTask, MockFailingCrossStub.class);
Assert.fail("Exception not forwarded.");
} catch (ExpectedTestException etex) {
// good!
} catch (Exception e) {
e.printStackTrace();
Assert.fail("Test failed due to an exception.");
}
}
@Test
public void testFailingBlockCrossTask2() {
int keyCnt1 = 10;
int valCnt1 = 1;
int keyCnt2 = 100;
int valCnt2 = 4;
setOutput(this.output);
addInput(new UniformRecordGenerator(keyCnt1, valCnt1, false));
addInput(new UniformRecordGenerator(keyCnt2, valCnt2, false));
getTaskConfig().setDriverStrategy(DriverStrategy.NESTEDLOOP_BLOCKED_OUTER_SECOND);
getTaskConfig().setMemoryDriver(CROSS_MEM);
final CrossDriver<Record, Record, Record> testTask = new CrossDriver<Record, Record, Record>();
try {
testDriver(testTask, MockFailingCrossStub.class);
Assert.fail("Exception not forwarded.");
} catch (ExpectedTestException etex) {
// good!
} catch (Exception e) {
e.printStackTrace();
Assert.fail("Test failed due to an exception.");
}
}
@Test
public void testStream1CrossTask() {
int keyCnt1 = 10;
int valCnt1 = 1;
int keyCnt2 = 100;
int valCnt2 = 4;
final int expCnt = keyCnt1*valCnt1*keyCnt2*valCnt2;
setOutput(this.output);
addInput(new UniformRecordGenerator(keyCnt1, valCnt1, false));
addInput(new UniformRecordGenerator(keyCnt2, valCnt2, false));
getTaskConfig().setDriverStrategy(DriverStrategy.NESTEDLOOP_STREAMED_OUTER_FIRST);
getTaskConfig().setMemoryDriver(CROSS_MEM);
final CrossDriver<Record, Record, Record> testTask = new CrossDriver<Record, Record, Record>();
try {
testDriver(testTask, MockCrossStub.class);
} catch (Exception e) {
e.printStackTrace();
Assert.fail("Test failed due to an exception.");
}
Assert.assertEquals("Wrong result size.", expCnt, this.output.getNumberOfRecords());
}
@Test
public void testStream2CrossTask() {
int keyCnt1 = 10;
int valCnt1 = 1;
int keyCnt2 = 100;
int valCnt2 = 4;
final int expCnt = keyCnt1*valCnt1*keyCnt2*valCnt2;
setOutput(this.output);
addInput(new UniformRecordGenerator(keyCnt1, valCnt1, false));
addInput(new UniformRecordGenerator(keyCnt2, valCnt2, false));
getTaskConfig().setDriverStrategy(DriverStrategy.NESTEDLOOP_STREAMED_OUTER_SECOND);
getTaskConfig().setMemoryDriver(CROSS_MEM);
final CrossDriver<Record, Record, Record> testTask = new CrossDriver<Record, Record, Record>();
try {
testDriver(testTask, MockCrossStub.class);
} catch (Exception e) {
e.printStackTrace();
Assert.fail("Test failed due to an exception.");
}
Assert.assertEquals("Wrong result size.", expCnt, this.output.getNumberOfRecords());
}
@Test
public void testFailingStreamCrossTask() {
int keyCnt1 = 10;
int valCnt1 = 1;
int keyCnt2 = 100;
int valCnt2 = 4;
setOutput(this.output);
addInput(new UniformRecordGenerator(keyCnt1, valCnt1, false));
addInput(new UniformRecordGenerator(keyCnt2, valCnt2, false));
getTaskConfig().setDriverStrategy(DriverStrategy.NESTEDLOOP_STREAMED_OUTER_FIRST);
getTaskConfig().setMemoryDriver(CROSS_MEM);
final CrossDriver<Record, Record, Record> testTask = new CrossDriver<Record, Record, Record>();
try {
testDriver(testTask, MockFailingCrossStub.class);
Assert.fail("Exception not forwarded.");
} catch (ExpectedTestException etex) {
// good!
} catch (Exception e) {
e.printStackTrace();
Assert.fail("Test failed due to an exception.");
}
}
@Test
public void testFailingStreamCrossTask2() {
int keyCnt1 = 10;
int valCnt1 = 1;
int keyCnt2 = 100;
int valCnt2 = 4;
setOutput(this.output);
addInput(new UniformRecordGenerator(keyCnt1, valCnt1, false));
addInput(new UniformRecordGenerator(keyCnt2, valCnt2, false));
getTaskConfig().setDriverStrategy(DriverStrategy.NESTEDLOOP_STREAMED_OUTER_SECOND);
getTaskConfig().setMemoryDriver(CROSS_MEM);
final CrossDriver<Record, Record, Record> testTask = new CrossDriver<Record, Record, Record>();
try {
testDriver(testTask, MockFailingCrossStub.class);
Assert.fail("Exception not forwarded.");
} catch (ExpectedTestException etex) {
// good!
} catch (Exception e) {
e.printStackTrace();
Assert.fail("Test failed due to an exception.");
}
}
@Test
public void testStreamEmptyInnerCrossTask() {
int keyCnt1 = 10;
int valCnt1 = 1;
int keyCnt2 = 0;
int valCnt2 = 0;
final int expCnt = keyCnt1*valCnt1*keyCnt2*valCnt2;
setOutput(this.output);
addInput(new UniformRecordGenerator(keyCnt1, valCnt1, false));
addInput(new UniformRecordGenerator(keyCnt2, valCnt2, false));
getTaskConfig().setDriverStrategy(DriverStrategy.NESTEDLOOP_STREAMED_OUTER_FIRST);
getTaskConfig().setMemoryDriver(CROSS_MEM);
final CrossDriver<Record, Record, Record> testTask = new CrossDriver<Record, Record, Record>();
try {
testDriver(testTask, MockCrossStub.class);
} catch (Exception e) {
e.printStackTrace();
Assert.fail("Test failed due to an exception.");
}
Assert.assertEquals("Wrong result size.", expCnt, this.output.getNumberOfRecords());
}
@Test
public void testStreamEmptyOuterCrossTask() {
int keyCnt1 = 10;
int valCnt1 = 1;
int keyCnt2 = 0;
int valCnt2 = 0;
final int expCnt = keyCnt1*valCnt1*keyCnt2*valCnt2;
setOutput(this.output);
addInput(new UniformRecordGenerator(keyCnt1, valCnt1, false));
addInput(new UniformRecordGenerator(keyCnt2, valCnt2, false));
getTaskConfig().setDriverStrategy(DriverStrategy.NESTEDLOOP_STREAMED_OUTER_SECOND);
getTaskConfig().setMemoryDriver(CROSS_MEM);
final CrossDriver<Record, Record, Record> testTask = new CrossDriver<Record, Record, Record>();
try {
testDriver(testTask, MockCrossStub.class);
} catch (Exception e) {
e.printStackTrace();
Assert.fail("Test failed due to an exception.");
}
Assert.assertEquals("Wrong result size.", expCnt, this.output.getNumberOfRecords());
}
@Test
public void testBlockEmptyInnerCrossTask() {
int keyCnt1 = 10;
int valCnt1 = 1;
int keyCnt2 = 0;
int valCnt2 = 0;
final int expCnt = keyCnt1*valCnt1*keyCnt2*valCnt2;
setOutput(this.output);
addInput(new UniformRecordGenerator(keyCnt1, valCnt1, false));
addInput(new UniformRecordGenerator(keyCnt2, valCnt2, false));
getTaskConfig().setDriverStrategy(DriverStrategy.NESTEDLOOP_BLOCKED_OUTER_FIRST);
getTaskConfig().setMemoryDriver(CROSS_MEM);
final CrossDriver<Record, Record, Record> testTask = new CrossDriver<Record, Record, Record>();
try {
testDriver(testTask, MockCrossStub.class);
} catch (Exception e) {
e.printStackTrace();
Assert.fail("Test failed due to an exception.");
}
Assert.assertEquals("Wrong result size.", expCnt, this.output.getNumberOfRecords());
}
@Test
public void testBlockEmptyOuterCrossTask() {
int keyCnt1 = 10;
int valCnt1 = 1;
int keyCnt2 = 0;
int valCnt2 = 0;
final int expCnt = keyCnt1*valCnt1*keyCnt2*valCnt2;
setOutput(this.output);
addInput(new UniformRecordGenerator(keyCnt1, valCnt1, false));
addInput(new UniformRecordGenerator(keyCnt2, valCnt2, false));
getTaskConfig().setDriverStrategy(DriverStrategy.NESTEDLOOP_BLOCKED_OUTER_SECOND);
getTaskConfig().setMemoryDriver(CROSS_MEM);
final CrossDriver<Record, Record, Record> testTask = new CrossDriver<Record, Record, Record>();
try {
testDriver(testTask, MockCrossStub.class);
} catch (Exception e) {
e.printStackTrace();
Assert.fail("Test failed due to an exception.");
}
Assert.assertEquals("Wrong result size.", expCnt, this.output.getNumberOfRecords());
}
@Test
public void testCancelBlockCrossTaskInit() {
int keyCnt = 10;
int valCnt = 1;
setOutput(this.output);
addInput(new UniformRecordGenerator(keyCnt, valCnt, false));
addInput(new DelayingInfinitiveInputIterator(100));
getTaskConfig().setDriverStrategy(DriverStrategy.NESTEDLOOP_BLOCKED_OUTER_FIRST);
getTaskConfig().setMemoryDriver(CROSS_MEM);
final CrossDriver<Record, Record, Record> testTask = new CrossDriver<Record, Record, Record>();
final AtomicBoolean success = new AtomicBoolean(false);
Thread taskRunner = new Thread() {
@Override
public void run() {
try {
testDriver(testTask, MockCrossStub.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("Exception was thrown despite proper canceling.", success.get());
}
@Test
public void testCancelBlockCrossTaskCrossing() {
int keyCnt = 10;
int valCnt = 1;
setOutput(this.output);
addInput(new UniformRecordGenerator(keyCnt, valCnt, false));
addInput(new DelayingInfinitiveInputIterator(100));
getTaskConfig().setDriverStrategy(DriverStrategy.NESTEDLOOP_BLOCKED_OUTER_SECOND);
getTaskConfig().setMemoryDriver(CROSS_MEM);
final CrossDriver<Record, Record, Record> testTask = new CrossDriver<Record, Record, Record>();
final AtomicBoolean success = new AtomicBoolean(false);
Thread taskRunner = new Thread() {
@Override
public void run() {
try {
testDriver(testTask, MockCrossStub.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("Exception was thrown despite proper canceling.", success.get());
}
@Test
public void testCancelStreamCrossTaskInit() {
int keyCnt = 10;
int valCnt = 1;
setOutput(this.output);
addInput(new UniformRecordGenerator(keyCnt, valCnt, false));
addInput(new DelayingInfinitiveInputIterator(100));
getTaskConfig().setDriverStrategy(DriverStrategy.NESTEDLOOP_STREAMED_OUTER_FIRST);
getTaskConfig().setMemoryDriver(CROSS_MEM);
final CrossDriver<Record, Record, Record> testTask = new CrossDriver<Record, Record, Record>();
final AtomicBoolean success = new AtomicBoolean(false);
Thread taskRunner = new Thread() {
@Override
public void run() {
try {
testDriver(testTask, MockCrossStub.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("Exception was thrown despite proper canceling.", success.get());
}
@Test
public void testCancelStreamCrossTaskCrossing() {
int keyCnt = 10;
int valCnt = 1;
setOutput(this.output);
addInput(new UniformRecordGenerator(keyCnt, valCnt, false));
addInput(new DelayingInfinitiveInputIterator(100));
getTaskConfig().setDriverStrategy(DriverStrategy.NESTEDLOOP_STREAMED_OUTER_SECOND);
getTaskConfig().setMemoryDriver(CROSS_MEM);
final CrossDriver<Record, Record, Record> testTask = new CrossDriver<Record, Record, Record>();
final AtomicBoolean success = new AtomicBoolean(false);
Thread taskRunner = new Thread() {
@Override
public void run() {
try {
testDriver(testTask, MockCrossStub.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("Exception was thrown despite proper canceling.", success.get());
}
public static final class MockCrossStub extends CrossFunction {
private static final long serialVersionUID = 1L;
@Override
public void cross(Record record1, Record record2, Collector<Record> out) {
out.collect(record1);
}
}
public static final class MockFailingCrossStub extends CrossFunction {
private static final long serialVersionUID = 1L;
private int cnt = 0;
@Override
public void cross(Record record1, Record record2, Collector<Record> out) {
if (++this.cnt >= 10) {
throw new ExpectedTestException();
}
out.collect(record1);
}
}
}