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Add unit tests for the missing aggregator (#23895)
* Add unit tests for the missing aggregator Relates #22278
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145 changes: 145 additions & 0 deletions
145
...est/java/org/elasticsearch/search/aggregations/bucket/missing/MissingAggregatorTests.java
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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. | ||
| */ | ||
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| package org.elasticsearch.search.aggregations.bucket.missing; | ||
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| import org.apache.lucene.document.Document; | ||
| import org.apache.lucene.document.SortedNumericDocValuesField; | ||
| import org.apache.lucene.index.DirectoryReader; | ||
| import org.apache.lucene.index.IndexReader; | ||
| import org.apache.lucene.index.RandomIndexWriter; | ||
| import org.apache.lucene.search.IndexSearcher; | ||
| import org.apache.lucene.search.Query; | ||
| import org.apache.lucene.store.Directory; | ||
| import org.elasticsearch.common.lucene.search.Queries; | ||
| import org.elasticsearch.index.mapper.MappedFieldType; | ||
| import org.elasticsearch.index.mapper.NumberFieldMapper; | ||
| import org.elasticsearch.search.aggregations.AggregatorTestCase; | ||
| import org.elasticsearch.search.aggregations.support.ValueType; | ||
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| import java.io.IOException; | ||
| import java.util.concurrent.atomic.AtomicInteger; | ||
| import java.util.function.Consumer; | ||
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| public class MissingAggregatorTests extends AggregatorTestCase { | ||
| public void testMatchNoDocs() throws IOException { | ||
| int numDocs = randomIntBetween(10, 200); | ||
| testBothCases(numDocs, | ||
| "field", | ||
| Queries.newMatchAllQuery(), | ||
| doc -> doc.add(new SortedNumericDocValuesField("field", randomLong())), | ||
| internalMissing -> assertEquals(internalMissing.getDocCount(), 0)); | ||
| } | ||
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| public void testMatchAllDocs() throws IOException { | ||
| int numDocs = randomIntBetween(10, 200); | ||
| testBothCases(numDocs, | ||
| "field", | ||
| Queries.newMatchAllQuery(), | ||
| doc -> doc.add(new SortedNumericDocValuesField("another_field", randomLong())), | ||
| internalMissing -> assertEquals(internalMissing.getDocCount(), numDocs)); | ||
| } | ||
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| public void testMatchSparse() throws IOException { | ||
| int numDocs = randomIntBetween(100, 200); | ||
| final AtomicInteger count = new AtomicInteger(); | ||
| testBothCases(numDocs, | ||
| "field", | ||
| Queries.newMatchAllQuery(), | ||
| doc -> { | ||
| if (randomBoolean()) { | ||
| doc.add(new SortedNumericDocValuesField("another_field", randomLong())); | ||
| count.incrementAndGet(); | ||
| } else { | ||
| doc.add(new SortedNumericDocValuesField("field", randomLong())); | ||
| } | ||
| }, | ||
| internalMissing -> { | ||
| assertEquals(internalMissing.getDocCount(), count.get()); | ||
| count.set(0); | ||
| }); | ||
| } | ||
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| public void testMissingField() throws IOException { | ||
| int numDocs = randomIntBetween(10, 20); | ||
| testBothCases(numDocs, | ||
| "unknown_field", | ||
| Queries.newMatchAllQuery(), | ||
| doc -> { | ||
| doc.add(new SortedNumericDocValuesField("field", randomLong())); | ||
| }, | ||
| internalMissing -> { | ||
| assertEquals(internalMissing.getDocCount(), numDocs); | ||
| }); | ||
| } | ||
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| private void testBothCases(int numDocs, | ||
| String fieldName, | ||
| Query query, | ||
| Consumer<Document> consumer, | ||
| Consumer<InternalMissing> verify) throws IOException { | ||
| executeTestCase(numDocs, fieldName, query, consumer, verify, false); | ||
| executeTestCase(numDocs, fieldName, query, consumer, verify, true); | ||
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| } | ||
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| private void executeTestCase(int numDocs, | ||
| String fieldName, | ||
| Query query, | ||
| Consumer<Document> consumer, | ||
| Consumer<InternalMissing> verify, | ||
| boolean reduced) throws IOException { | ||
| try (Directory directory = newDirectory()) { | ||
| try (RandomIndexWriter indexWriter = new RandomIndexWriter(random(), directory)) { | ||
| Document document = new Document(); | ||
| for (int i = 0; i < numDocs; i++) { | ||
| if (frequently()) { | ||
| indexWriter.commit(); | ||
| } | ||
| consumer.accept(document); | ||
| indexWriter.addDocument(document); | ||
| document.clear(); | ||
| } | ||
| } | ||
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| try (IndexReader indexReader = DirectoryReader.open(directory)) { | ||
| IndexSearcher indexSearcher = | ||
| newSearcher(indexReader, true, true); | ||
| MissingAggregationBuilder builder = | ||
| new MissingAggregationBuilder("_name", ValueType.LONG); | ||
| builder.field(fieldName); | ||
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| NumberFieldMapper.Builder mapperBuilder = new NumberFieldMapper.Builder("_name", | ||
| NumberFieldMapper.NumberType.LONG); | ||
| MappedFieldType fieldType = mapperBuilder.fieldType(); | ||
| fieldType.setHasDocValues(true); | ||
| fieldType.setName(builder.field()); | ||
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| InternalMissing missing; | ||
| if (reduced) { | ||
| missing = searchAndReduce(indexSearcher, query, builder, fieldType); | ||
| } else { | ||
| missing = search(indexSearcher, query, builder, fieldType); | ||
| } | ||
| verify.accept(missing); | ||
| } | ||
| } | ||
| } | ||
| } |