/*
* 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 gobblin.instrumented.fork;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import org.testng.Assert;
import org.testng.annotations.Test;
import gobblin.MetricsHelper;
import gobblin.configuration.ConfigurationKeys;
import gobblin.configuration.WorkUnitState;
import gobblin.Constructs;
import gobblin.fork.ForkOperator;
import gobblin.metrics.MetricNames;
public class InstrumentedForkOperatorTest {
public class TestInstrumentedForkOperator extends InstrumentedForkOperator<String, String> {
@Override
public List<Boolean> forkDataRecordImpl(WorkUnitState workUnitState, String input) {
List<Boolean> output = new ArrayList<>();
output.add(true);
output.add(false);
output.add(true);
return output;
}
@Override
public int getBranches(WorkUnitState workUnitState) {
return 0;
}
@Override
public List<Boolean> forkSchema(WorkUnitState workUnitState, String input) {
return null;
}
@Override
public void close() throws IOException {
}
}
public class TestForkOperator implements ForkOperator<String, String> {
@Override
public List<Boolean> forkDataRecord(WorkUnitState workUnitState, String input) {
List<Boolean> output = new ArrayList<>();
output.add(true);
output.add(false);
output.add(true);
return output;
}
@Override
public void init(WorkUnitState workUnitState) throws Exception {}
@Override
public int getBranches(WorkUnitState workUnitState) {
return 0;
}
@Override
public List<Boolean> forkSchema(WorkUnitState workUnitState, String input) {
return null;
}
@Override
public void close() throws IOException {
}
}
@Test
public void test() throws Exception {
TestInstrumentedForkOperator fork = new TestInstrumentedForkOperator();
testBase(fork);
}
@Test
public void testDecorated() throws Exception {
InstrumentedForkOperatorBase instrumentedFork =
new InstrumentedForkOperatorDecorator(new TestInstrumentedForkOperator());
testBase(instrumentedFork);
InstrumentedForkOperatorBase notInstrumentedFork = new InstrumentedForkOperatorDecorator(new TestForkOperator());
testBase(notInstrumentedFork);
}
public void testBase(InstrumentedForkOperatorBase<String, String> fork) throws Exception {
WorkUnitState state = new WorkUnitState();
state.setProp(ConfigurationKeys.METRICS_ENABLED_KEY, Boolean.toString(true));
fork.init(state);
fork.forkDataRecord(new WorkUnitState(), "in");
Map<String, Long> metrics = MetricsHelper.dumpMetrics(fork.getMetricContext());
Assert.assertEquals(metrics.get(MetricNames.ForkOperatorMetrics.RECORDS_IN_METER), Long.valueOf(1));
Assert.assertEquals(metrics.get(MetricNames.ForkOperatorMetrics.FORKS_OUT_METER), Long.valueOf(2));
Assert.assertEquals(metrics.get(MetricNames.ForkOperatorMetrics.FORK_TIMER), Long.valueOf(1));
Assert.assertEquals(MetricsHelper.dumpTags(fork.getMetricContext()).get("construct"),
Constructs.FORK_OPERATOR.toString());
}
}