// Copyright 2016 Twitter. 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.
package com.twitter.heron.simulator.utils;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import org.junit.After;
import org.junit.Assert;
import org.junit.Before;
import org.junit.BeforeClass;
import org.junit.Test;
import com.twitter.heron.api.generated.TopologyAPI;
import com.twitter.heron.proto.system.HeronTuples;
/**
* TupleCache Tester.
*/
public class TupleCacheTest {
public static final int N = 10;
public static final int REPEAT = 10;
private static List<Integer> destTaskIds;
private static HeronTuples.HeronDataTuple dataTuple;
private static HeronTuples.AckTuple ackTuple;
private static TopologyAPI.StreamId stream0;
private static TopologyAPI.StreamId stream1;
private TupleCache tupleCache;
@BeforeClass
public static void beforeClass() throws Exception {
destTaskIds = new ArrayList<>();
for (int i = 0; i < N; i++) {
destTaskIds.add(i);
}
dataTuple = HeronTuples.HeronDataTuple.getDefaultInstance();
ackTuple = HeronTuples.AckTuple.newBuilder().setAckedtuple(0).build();
stream0 = TopologyAPI.StreamId.newBuilder().
setComponentName("0").
setId("0").
build();
stream1 = TopologyAPI.StreamId.newBuilder().
setComponentName("1").
setId("1").
build();
}
@Before
public void before() throws Exception {
tupleCache = new TupleCache();
}
@After
public void after() throws Exception {
tupleCache.clear();
}
/**
* Method: addDataTuple(int destTaskId, TopologyAPI.StreamId streamId, HeronTuples.HeronDataTuple tuple)
*/
@Test
public void testAddDataTupleBatch() throws Exception {
// Test for Batch should apply
for (int i = 0; i < N * REPEAT; i++) {
tupleCache.addDataTuple(destTaskIds.get(i % destTaskIds.size()), stream0, dataTuple, true);
}
for (int i = 0; i < N * REPEAT; i++) {
tupleCache.addDataTuple(destTaskIds.get(i % destTaskIds.size()), stream1, dataTuple, true);
}
Map<Integer, List<HeronTuples.HeronTupleSet>> cache = tupleCache.getCache();
Assert.assertEquals(N, cache.size());
Assert.assertEquals(new HashSet<>(destTaskIds), cache.keySet());
for (List<HeronTuples.HeronTupleSet> tuples : cache.values()) {
Assert.assertEquals(2, tuples.size());
for (HeronTuples.HeronTupleSet tupleSet : tuples) {
Assert.assertEquals(REPEAT, tupleSet.getData().getTuplesCount());
for (HeronTuples.HeronDataTuple tuple : tupleSet.getData().getTuplesList()) {
Assert.assertNotNull(tuple.getKey());
}
}
}
}
/**
* Method: addDataTuple(int destTaskId, TopologyAPI.StreamId streamId, HeronTuples.HeronDataTuple tuple)
*/
@Test
public void testAddDataTupleNoBatch() throws Exception {
// Test for Batch should not apply
for (int i = 0; i < N * REPEAT; i++) {
tupleCache.addDataTuple(destTaskIds.get(i % destTaskIds.size()), stream0, dataTuple, true);
tupleCache.addDataTuple(destTaskIds.get(i % destTaskIds.size()), stream1, dataTuple, true);
}
Map<Integer, List<HeronTuples.HeronTupleSet>> cache = tupleCache.getCache();
Assert.assertEquals(N, cache.size());
Assert.assertEquals(new HashSet<>(destTaskIds), cache.keySet());
for (List<HeronTuples.HeronTupleSet> tuples : cache.values()) {
Assert.assertEquals(2 * REPEAT, tuples.size());
for (HeronTuples.HeronTupleSet tupleSet : tuples) {
Assert.assertEquals(1, tupleSet.getData().getTuplesCount());
for (HeronTuples.HeronDataTuple tuple : tupleSet.getData().getTuplesList()) {
Assert.assertNotNull(tuple.getKey());
}
}
}
}
/**
* Method: addAckTuple(int taskId, HeronTuples.AckTuple tuple)
*/
@Test
public void testAddAckTupleBatch() throws Exception {
// Test for Batch should apply
for (int i = 0; i < N * REPEAT; i++) {
tupleCache.addAckTuple(destTaskIds.get(i % destTaskIds.size()), ackTuple);
tupleCache.addFailTuple(destTaskIds.get(i % destTaskIds.size()), ackTuple);
tupleCache.addEmitTuple(destTaskIds.get(i % destTaskIds.size()), ackTuple);
}
Map<Integer, List<HeronTuples.HeronTupleSet>> cache = tupleCache.getCache();
cache = tupleCache.getCache();
Assert.assertEquals(N, cache.size());
Assert.assertEquals(new HashSet<>(destTaskIds), cache.keySet());
for (List<HeronTuples.HeronTupleSet> tuples : cache.values()) {
Assert.assertEquals(3 * REPEAT, tuples.size());
}
}
/**
* Method: addAckTuple(int taskId, HeronTuples.AckTuple tuple)
*/
@Test
public void testAddAckTupleNoBatch() throws Exception {
for (int i = 0; i < N * REPEAT; i++) {
tupleCache.addAckTuple(destTaskIds.get(i % destTaskIds.size()), ackTuple);
}
for (int i = 0; i < N * REPEAT; i++) {
tupleCache.addFailTuple(destTaskIds.get(i % destTaskIds.size()), ackTuple);
}
for (int i = 0; i < N * REPEAT; i++) {
tupleCache.addEmitTuple(destTaskIds.get(i % destTaskIds.size()), ackTuple);
}
Map<Integer, List<HeronTuples.HeronTupleSet>> cache = tupleCache.getCache();
Assert.assertEquals(N, cache.size());
Assert.assertEquals(new HashSet<>(destTaskIds), cache.keySet());
for (List<HeronTuples.HeronTupleSet> tuples : cache.values()) {
Assert.assertEquals(3, tuples.size());
}
}
}