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/*
* Licensed to Elasticsearch under one or more contributor
* license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright
* ownership. Elasticsearch 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.elasticsearch.action.bulk;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import org.elasticsearch.action.ActionListener;
import org.elasticsearch.action.DocWriteRequest;
import org.elasticsearch.action.index.IndexRequest;
import org.elasticsearch.action.index.IndexResponse;
import org.elasticsearch.common.xcontent.XContentType;
import org.elasticsearch.index.shard.ShardId;
import org.elasticsearch.test.ESTestCase;
import org.hamcrest.Matchers;
import static org.hamcrest.Matchers.equalTo;
import static org.hamcrest.Matchers.is;
import static org.hamcrest.Matchers.nullValue;
import static org.mockito.Mockito.mock;
public class BulkRequestModifierTests extends ESTestCase {
public void testBulkRequestModifier() {
int numRequests = scaledRandomIntBetween(8, 64);
BulkRequest bulkRequest = new BulkRequest();
for (int i = 0; i < numRequests; i++) {
bulkRequest.add(new IndexRequest("_index", "_type", String.valueOf(i)).source("{}", XContentType.JSON));
}
CaptureActionListener actionListener = new CaptureActionListener();
TransportBulkAction.BulkRequestModifier bulkRequestModifier = new TransportBulkAction.BulkRequestModifier(bulkRequest);
int i = 0;
Set<Integer> failedSlots = new HashSet<>();
while (bulkRequestModifier.hasNext()) {
bulkRequestModifier.next();
if (randomBoolean()) {
bulkRequestModifier.markCurrentItemAsFailed(new RuntimeException());
failedSlots.add(i);
}
i++;
}
assertThat(bulkRequestModifier.getBulkRequest().requests().size(), equalTo(numRequests - failedSlots.size()));
// simulate that we actually executed the modified bulk request:
long ingestTook = randomLong();
ActionListener<BulkResponse> result = bulkRequestModifier.wrapActionListenerIfNeeded(ingestTook, actionListener);
result.onResponse(new BulkResponse(new BulkItemResponse[numRequests - failedSlots.size()], 0));
BulkResponse bulkResponse = actionListener.getResponse();
assertThat(bulkResponse.getIngestTookInMillis(), equalTo(ingestTook));
for (int j = 0; j < bulkResponse.getItems().length; j++) {
if (failedSlots.contains(j)) {
BulkItemResponse item = bulkResponse.getItems()[j];
assertThat(item.isFailed(), is(true));
assertThat(item.getFailure().getIndex(), equalTo("_index"));
assertThat(item.getFailure().getType(), equalTo("_type"));
assertThat(item.getFailure().getId(), equalTo(String.valueOf(j)));
assertThat(item.getFailure().getMessage(), equalTo("java.lang.RuntimeException"));
} else {
assertThat(bulkResponse.getItems()[j], nullValue());
}
}
}
public void testPipelineFailures() {
BulkRequest originalBulkRequest = new BulkRequest();
for (int i = 0; i < 32; i++) {
originalBulkRequest.add(new IndexRequest("index", "type", String.valueOf(i)));
}
TransportBulkAction.BulkRequestModifier modifier = new TransportBulkAction.BulkRequestModifier(originalBulkRequest);
for (int i = 0; modifier.hasNext(); i++) {
modifier.next();
if (i % 2 == 0) {
modifier.markCurrentItemAsFailed(new RuntimeException());
}
}
// So half of the requests have "failed", so only the successful requests are left:
BulkRequest bulkRequest = modifier.getBulkRequest();
assertThat(bulkRequest.requests().size(), Matchers.equalTo(16));
List<BulkItemResponse> responses = new ArrayList<>();
ActionListener<BulkResponse> bulkResponseListener = modifier.wrapActionListenerIfNeeded(1L, new ActionListener<BulkResponse>() {
@Override
public void onResponse(BulkResponse bulkItemResponses) {
responses.addAll(Arrays.asList(bulkItemResponses.getItems()));
}
@Override
public void onFailure(Exception e) {
}
});
List<BulkItemResponse> originalResponses = new ArrayList<>();
for (DocWriteRequest actionRequest : bulkRequest.requests()) {
IndexRequest indexRequest = (IndexRequest) actionRequest;
IndexResponse indexResponse = new IndexResponse(new ShardId("index", "_na_", 0), indexRequest.type(),
indexRequest.id(), 1, 1, true);
originalResponses.add(new BulkItemResponse(Integer.parseInt(indexRequest.id()), indexRequest.opType(), indexResponse));
}
bulkResponseListener.onResponse(new BulkResponse(originalResponses.toArray(new BulkItemResponse[originalResponses.size()]), 0));
assertThat(responses.size(), Matchers.equalTo(32));
for (int i = 0; i < 32; i++) {
assertThat(responses.get(i).getId(), Matchers.equalTo(String.valueOf(i)));
}
}
public void testNoFailures() {
BulkRequest originalBulkRequest = new BulkRequest();
for (int i = 0; i < 32; i++) {
originalBulkRequest.add(new IndexRequest("index", "type", String.valueOf(i)));
}
TransportBulkAction.BulkRequestModifier modifier = new TransportBulkAction.BulkRequestModifier(originalBulkRequest);
while (modifier.hasNext()) {
modifier.next();
}
BulkRequest bulkRequest = modifier.getBulkRequest();
assertThat(bulkRequest, Matchers.sameInstance(originalBulkRequest));
@SuppressWarnings("unchecked")
ActionListener<BulkResponse> actionListener = mock(ActionListener.class);
assertThat(modifier.wrapActionListenerIfNeeded(1L, actionListener).getClass().isAnonymousClass(), is(true));
}
private static class CaptureActionListener implements ActionListener<BulkResponse> {
private BulkResponse response;
@Override
public void onResponse(BulkResponse bulkItemResponses) {
this.response = bulkItemResponses;
}
@Override
public void onFailure(Exception e) {
}
public BulkResponse getResponse() {
return response;
}
}
}
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