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* the Apache License, Version 2.0 (the "License"); you may
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* 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
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package org.elasticsearch.action.search;
import org.apache.lucene.index.Term;
import org.apache.lucene.search.ScoreDoc;
import org.apache.lucene.search.TermStatistics;
import org.apache.lucene.search.TopDocs;
import org.apache.lucene.store.MockDirectoryWrapper;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.common.util.BigArrays;
import org.elasticsearch.common.util.concurrent.AtomicArray;
import org.elasticsearch.index.Index;
import org.elasticsearch.search.DocValueFormat;
import org.elasticsearch.search.SearchPhaseResult;
import org.elasticsearch.search.SearchShardTarget;
import org.elasticsearch.search.dfs.DfsSearchResult;
import org.elasticsearch.search.query.QuerySearchRequest;
import org.elasticsearch.search.query.QuerySearchResult;
import org.elasticsearch.test.ESTestCase;
import org.elasticsearch.transport.Transport;
import java.io.IOException;
import java.io.UncheckedIOException;
import java.util.concurrent.atomic.AtomicReference;
public class DfsQueryPhaseTests extends ESTestCase {
private static DfsSearchResult newSearchResult(int shardIndex, long requestId, SearchShardTarget target) {
DfsSearchResult result = new DfsSearchResult(requestId, target);
result.setShardIndex(shardIndex);
return result;
}
public void testDfsWith2Shards() throws IOException {
AtomicArray<DfsSearchResult> results = new AtomicArray<>(2);
AtomicReference<AtomicArray<SearchPhaseResult>> responseRef = new AtomicReference<>();
results.set(0, newSearchResult(0, 1, new SearchShardTarget("node1", new Index("test", "na"), 0)));
results.set(1, newSearchResult(1, 2, new SearchShardTarget("node2", new Index("test", "na"), 0)));
results.get(0).termsStatistics(new Term[0], new TermStatistics[0]);
results.get(1).termsStatistics(new Term[0], new TermStatistics[0]);
SearchPhaseController controller = new SearchPhaseController(Settings.EMPTY, BigArrays.NON_RECYCLING_INSTANCE, null);
SearchTransportService searchTransportService = new SearchTransportService(
Settings.builder().put("search.remote.connect", false).build(), null) {
@Override
public void sendExecuteQuery(Transport.Connection connection, QuerySearchRequest request, SearchTask task,
SearchActionListener<QuerySearchResult> listener) {
if (request.id() == 1) {
QuerySearchResult queryResult = new QuerySearchResult(123, new SearchShardTarget("node1", new Index("test", "na"), 0));
queryResult.topDocs(new TopDocs(1, new ScoreDoc[] {new ScoreDoc(42, 1.0F)}, 2.0F), new DocValueFormat[0]);
queryResult.size(2); // the size of the result set
listener.onResponse(queryResult);
} else if (request.id() == 2) {
QuerySearchResult queryResult = new QuerySearchResult(123, new SearchShardTarget("node2", new Index("test", "na"), 0));
queryResult.topDocs(new TopDocs(1, new ScoreDoc[] {new ScoreDoc(84, 2.0F)}, 2.0F), new DocValueFormat[0]);
queryResult.size(2); // the size of the result set
listener.onResponse(queryResult);
} else {
fail("no such request ID: " + request.id());
}
}
};
MockSearchPhaseContext mockSearchPhaseContext = new MockSearchPhaseContext(2);
mockSearchPhaseContext.searchTransport = searchTransportService;
DfsQueryPhase phase = new DfsQueryPhase(results, controller,
(response) -> new SearchPhase("test") {
@Override
public void run() throws IOException {
responseRef.set(response.results);
}
}, mockSearchPhaseContext);
assertEquals("dfs_query", phase.getName());
phase.run();
mockSearchPhaseContext.assertNoFailure();
assertNotNull(responseRef.get());
assertNotNull(responseRef.get().get(0));
assertNull(responseRef.get().get(0).fetchResult());
assertEquals(1, responseRef.get().get(0).queryResult().topDocs().totalHits);
assertEquals(42, responseRef.get().get(0).queryResult().topDocs().scoreDocs[0].doc);
assertNotNull(responseRef.get().get(1));
assertNull(responseRef.get().get(1).fetchResult());
assertEquals(1, responseRef.get().get(1).queryResult().topDocs().totalHits);
assertEquals(84, responseRef.get().get(1).queryResult().topDocs().scoreDocs[0].doc);
assertTrue(mockSearchPhaseContext.releasedSearchContexts.isEmpty());
assertEquals(2, mockSearchPhaseContext.numSuccess.get());
}
public void testDfsWith1ShardFailed() throws IOException {
AtomicArray<DfsSearchResult> results = new AtomicArray<>(2);
AtomicReference<AtomicArray<SearchPhaseResult>> responseRef = new AtomicReference<>();
results.set(0, newSearchResult(0, 1, new SearchShardTarget("node1", new Index("test", "na"), 0)));
results.set(1, newSearchResult(1, 2, new SearchShardTarget("node2", new Index("test", "na"), 0)));
results.get(0).termsStatistics(new Term[0], new TermStatistics[0]);
results.get(1).termsStatistics(new Term[0], new TermStatistics[0]);
SearchPhaseController controller = new SearchPhaseController(Settings.EMPTY, BigArrays.NON_RECYCLING_INSTANCE, null);
SearchTransportService searchTransportService = new SearchTransportService(
Settings.builder().put("search.remote.connect", false).build(), null) {
@Override
public void sendExecuteQuery(Transport.Connection connection, QuerySearchRequest request, SearchTask task,
SearchActionListener<QuerySearchResult> listener) {
if (request.id() == 1) {
QuerySearchResult queryResult = new QuerySearchResult(123, new SearchShardTarget("node1", new Index("test", "na"), 0));
queryResult.topDocs(new TopDocs(1, new ScoreDoc[] {new ScoreDoc(42, 1.0F)}, 2.0F), new DocValueFormat[0]);
queryResult.size(2); // the size of the result set
listener.onResponse(queryResult);
} else if (request.id() == 2) {
listener.onFailure(new MockDirectoryWrapper.FakeIOException());
} else {
fail("no such request ID: " + request.id());
}
}
};
MockSearchPhaseContext mockSearchPhaseContext = new MockSearchPhaseContext(2);
mockSearchPhaseContext.searchTransport = searchTransportService;
DfsQueryPhase phase = new DfsQueryPhase(results, controller,
(response) -> new SearchPhase("test") {
@Override
public void run() throws IOException {
responseRef.set(response.results);
}
}, mockSearchPhaseContext);
assertEquals("dfs_query", phase.getName());
phase.run();
mockSearchPhaseContext.assertNoFailure();
assertNotNull(responseRef.get());
assertNotNull(responseRef.get().get(0));
assertNull(responseRef.get().get(0).fetchResult());
assertEquals(1, responseRef.get().get(0).queryResult().topDocs().totalHits);
assertEquals(42, responseRef.get().get(0).queryResult().topDocs().scoreDocs[0].doc);
assertNull(responseRef.get().get(1));
assertEquals(1, mockSearchPhaseContext.numSuccess.get());
assertEquals(1, mockSearchPhaseContext.failures.size());
assertTrue(mockSearchPhaseContext.failures.get(0).getCause() instanceof MockDirectoryWrapper.FakeIOException);
assertEquals(1, mockSearchPhaseContext.releasedSearchContexts.size());
assertTrue(mockSearchPhaseContext.releasedSearchContexts.contains(2L));
assertNull(responseRef.get().get(1));
}
public void testFailPhaseOnException() throws IOException {
AtomicArray<DfsSearchResult> results = new AtomicArray<>(2);
AtomicReference<AtomicArray<SearchPhaseResult>> responseRef = new AtomicReference<>();
results.set(0, newSearchResult(0, 1, new SearchShardTarget("node1", new Index("test", "na"), 0)));
results.set(1, newSearchResult(1, 2, new SearchShardTarget("node2", new Index("test", "na"), 0)));
results.get(0).termsStatistics(new Term[0], new TermStatistics[0]);
results.get(1).termsStatistics(new Term[0], new TermStatistics[0]);
SearchPhaseController controller = new SearchPhaseController(Settings.EMPTY, BigArrays.NON_RECYCLING_INSTANCE, null);
SearchTransportService searchTransportService = new SearchTransportService(
Settings.builder().put("search.remote.connect", false).build(), null) {
@Override
public void sendExecuteQuery(Transport.Connection connection, QuerySearchRequest request, SearchTask task,
SearchActionListener<QuerySearchResult> listener) {
if (request.id() == 1) {
QuerySearchResult queryResult = new QuerySearchResult(123, new SearchShardTarget("node1", new Index("test", "na"), 0));
queryResult.topDocs(new TopDocs(1, new ScoreDoc[] {new ScoreDoc(42, 1.0F)}, 2.0F), new DocValueFormat[0]);
queryResult.size(2); // the size of the result set
listener.onResponse(queryResult);
} else if (request.id() == 2) {
throw new UncheckedIOException(new MockDirectoryWrapper.FakeIOException());
} else {
fail("no such request ID: " + request.id());
}
}
};
MockSearchPhaseContext mockSearchPhaseContext = new MockSearchPhaseContext(2);
mockSearchPhaseContext.searchTransport = searchTransportService;
DfsQueryPhase phase = new DfsQueryPhase(results, controller,
(response) -> new SearchPhase("test") {
@Override
public void run() throws IOException {
responseRef.set(response.results);
}
}, mockSearchPhaseContext);
assertEquals("dfs_query", phase.getName());
expectThrows(UncheckedIOException.class, () -> phase.run());
assertTrue(mockSearchPhaseContext.releasedSearchContexts.isEmpty()); // phase execution will clean up on the contexts
}
}