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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.search.aggregations;
import org.elasticsearch.common.ParsingException;
import org.elasticsearch.common.bytes.BytesReference;
import org.elasticsearch.common.xcontent.NamedXContentRegistry;
import org.elasticsearch.common.xcontent.ToXContent;
import org.elasticsearch.common.xcontent.XContentBuilder;
import org.elasticsearch.common.xcontent.XContentFactory;
import org.elasticsearch.common.xcontent.XContentHelper;
import org.elasticsearch.common.xcontent.XContentParser;
import org.elasticsearch.common.xcontent.XContentType;
import org.elasticsearch.rest.action.search.RestSearchAction;
import org.elasticsearch.search.aggregations.bucket.adjacency.InternalAdjacencyMatrixTests;
import org.elasticsearch.search.aggregations.bucket.filter.InternalFilterTests;
import org.elasticsearch.search.aggregations.bucket.filters.InternalFiltersTests;
import org.elasticsearch.search.aggregations.bucket.geogrid.InternalGeoHashGridTests;
import org.elasticsearch.search.aggregations.bucket.global.InternalGlobalTests;
import org.elasticsearch.search.aggregations.bucket.histogram.InternalDateHistogramTests;
import org.elasticsearch.search.aggregations.bucket.histogram.InternalHistogramTests;
import org.elasticsearch.search.aggregations.bucket.missing.InternalMissingTests;
import org.elasticsearch.search.aggregations.bucket.nested.InternalNestedTests;
import org.elasticsearch.search.aggregations.bucket.nested.InternalReverseNestedTests;
import org.elasticsearch.search.aggregations.bucket.range.InternalBinaryRangeTests;
import org.elasticsearch.search.aggregations.bucket.range.InternalRangeTests;
import org.elasticsearch.search.aggregations.bucket.range.date.InternalDateRangeTests;
import org.elasticsearch.search.aggregations.bucket.range.geodistance.InternalGeoDistanceTests;
import org.elasticsearch.search.aggregations.bucket.sampler.InternalSamplerTests;
import org.elasticsearch.search.aggregations.bucket.significant.SignificantLongTermsTests;
import org.elasticsearch.search.aggregations.bucket.significant.SignificantStringTermsTests;
import org.elasticsearch.search.aggregations.bucket.terms.DoubleTermsTests;
import org.elasticsearch.search.aggregations.bucket.terms.LongTermsTests;
import org.elasticsearch.search.aggregations.bucket.terms.StringTermsTests;
import org.elasticsearch.search.aggregations.metrics.InternalExtendedStatsTests;
import org.elasticsearch.search.aggregations.metrics.InternalMaxTests;
import org.elasticsearch.search.aggregations.metrics.InternalStatsBucketTests;
import org.elasticsearch.search.aggregations.metrics.InternalStatsTests;
import org.elasticsearch.search.aggregations.metrics.avg.InternalAvgTests;
import org.elasticsearch.search.aggregations.metrics.cardinality.InternalCardinalityTests;
import org.elasticsearch.search.aggregations.metrics.geobounds.InternalGeoBoundsTests;
import org.elasticsearch.search.aggregations.metrics.geocentroid.InternalGeoCentroidTests;
import org.elasticsearch.search.aggregations.metrics.min.InternalMinTests;
import org.elasticsearch.search.aggregations.metrics.percentiles.hdr.InternalHDRPercentilesRanksTests;
import org.elasticsearch.search.aggregations.metrics.percentiles.hdr.InternalHDRPercentilesTests;
import org.elasticsearch.search.aggregations.metrics.percentiles.tdigest.InternalTDigestPercentilesRanksTests;
import org.elasticsearch.search.aggregations.metrics.percentiles.tdigest.InternalTDigestPercentilesTests;
import org.elasticsearch.search.aggregations.metrics.scripted.InternalScriptedMetricTests;
import org.elasticsearch.search.aggregations.metrics.sum.InternalSumTests;
import org.elasticsearch.search.aggregations.metrics.tophits.InternalTopHitsTests;
import org.elasticsearch.search.aggregations.metrics.valuecount.InternalValueCountTests;
import org.elasticsearch.search.aggregations.pipeline.InternalSimpleValueTests;
import org.elasticsearch.search.aggregations.pipeline.bucketmetrics.InternalBucketMetricValueTests;
import org.elasticsearch.search.aggregations.pipeline.bucketmetrics.percentile.InternalPercentilesBucketTests;
import org.elasticsearch.search.aggregations.pipeline.bucketmetrics.stats.extended.InternalExtendedStatsBucketTests;
import org.elasticsearch.search.aggregations.pipeline.derivative.InternalDerivativeTests;
import org.elasticsearch.test.ESTestCase;
import org.elasticsearch.test.InternalAggregationTestCase;
import org.elasticsearch.test.hamcrest.ElasticsearchAssertions;
import org.junit.After;
import org.junit.Before;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Set;
import java.util.stream.Collectors;
import static java.util.Collections.singletonMap;
/**
* This class tests that aggregations parsing works properly. It checks that we can parse
* different aggregations and adds sub-aggregations where applicable.
*
*/
public class AggregationsTests extends ESTestCase {
private static final List<InternalAggregationTestCase> aggsTests = getAggsTests();
private static List<InternalAggregationTestCase> getAggsTests() {
List<InternalAggregationTestCase> aggsTests = new ArrayList<>();
aggsTests.add(new InternalCardinalityTests());
aggsTests.add(new InternalTDigestPercentilesTests());
aggsTests.add(new InternalTDigestPercentilesRanksTests());
aggsTests.add(new InternalHDRPercentilesTests());
aggsTests.add(new InternalHDRPercentilesRanksTests());
aggsTests.add(new InternalPercentilesBucketTests());
aggsTests.add(new InternalMinTests());
aggsTests.add(new InternalMaxTests());
aggsTests.add(new InternalAvgTests());
aggsTests.add(new InternalSumTests());
aggsTests.add(new InternalValueCountTests());
aggsTests.add(new InternalSimpleValueTests());
aggsTests.add(new InternalDerivativeTests());
aggsTests.add(new InternalBucketMetricValueTests());
aggsTests.add(new InternalStatsTests());
aggsTests.add(new InternalStatsBucketTests());
aggsTests.add(new InternalExtendedStatsTests());
aggsTests.add(new InternalExtendedStatsBucketTests());
aggsTests.add(new InternalGeoBoundsTests());
aggsTests.add(new InternalGeoCentroidTests());
aggsTests.add(new InternalHistogramTests());
aggsTests.add(new InternalDateHistogramTests());
aggsTests.add(new LongTermsTests());
aggsTests.add(new DoubleTermsTests());
aggsTests.add(new StringTermsTests());
aggsTests.add(new InternalMissingTests());
aggsTests.add(new InternalNestedTests());
aggsTests.add(new InternalReverseNestedTests());
aggsTests.add(new InternalGlobalTests());
aggsTests.add(new InternalFilterTests());
aggsTests.add(new InternalSamplerTests());
aggsTests.add(new InternalGeoHashGridTests());
aggsTests.add(new InternalRangeTests());
aggsTests.add(new InternalDateRangeTests());
aggsTests.add(new InternalGeoDistanceTests());
aggsTests.add(new InternalFiltersTests());
aggsTests.add(new InternalAdjacencyMatrixTests());
aggsTests.add(new SignificantLongTermsTests());
aggsTests.add(new SignificantStringTermsTests());
aggsTests.add(new InternalScriptedMetricTests());
aggsTests.add(new InternalBinaryRangeTests());
aggsTests.add(new InternalTopHitsTests());
return Collections.unmodifiableList(aggsTests);
}
@Override
protected NamedXContentRegistry xContentRegistry() {
return new NamedXContentRegistry(InternalAggregationTestCase.getDefaultNamedXContents());
}
@Before
public void init() throws Exception {
for (InternalAggregationTestCase aggsTest : aggsTests) {
if (aggsTest instanceof InternalMultiBucketAggregationTestCase) {
// Lower down the number of buckets generated by multi bucket aggregation tests in
// order to avoid too many aggregations to be created.
((InternalMultiBucketAggregationTestCase) aggsTest).maxNumberOfBuckets = 3;
}
aggsTest.setUp();
}
}
@After
public void cleanUp() throws Exception {
for (InternalAggregationTestCase aggsTest : aggsTests) {
aggsTest.tearDown();
}
}
public void testAllAggsAreBeingTested() {
assertEquals(InternalAggregationTestCase.getDefaultNamedXContents().size(), aggsTests.size());
Set<String> aggs = aggsTests.stream().map((testCase) -> testCase.createTestInstance().getType()).collect(Collectors.toSet());
for (NamedXContentRegistry.Entry entry : InternalAggregationTestCase.getDefaultNamedXContents()) {
assertTrue(aggs.contains(entry.name.getPreferredName()));
}
}
public void testFromXContent() throws IOException {
XContentType xContentType = randomFrom(XContentType.values());
final ToXContent.Params params = new ToXContent.MapParams(singletonMap(RestSearchAction.TYPED_KEYS_PARAM, "true"));
Aggregations aggregations = createTestInstance();
BytesReference originalBytes = toShuffledXContent(aggregations, xContentType, params, randomBoolean());
try (XContentParser parser = createParser(xContentType.xContent(), originalBytes)) {
assertEquals(XContentParser.Token.START_OBJECT, parser.nextToken());
assertEquals(XContentParser.Token.FIELD_NAME, parser.nextToken());
assertEquals(Aggregations.AGGREGATIONS_FIELD, parser.currentName());
assertEquals(XContentParser.Token.START_OBJECT, parser.nextToken());
Aggregations parsedAggregations = Aggregations.fromXContent(parser);
BytesReference parsedBytes = XContentHelper.toXContent(parsedAggregations, xContentType, randomBoolean());
ElasticsearchAssertions.assertToXContentEquivalent(originalBytes, parsedBytes, xContentType);
}
}
public void testParsingExceptionOnUnknownAggregation() throws IOException {
XContentBuilder builder = XContentFactory.jsonBuilder();
builder.startObject();
{
builder.startObject("unknownAggregation");
builder.endObject();
}
builder.endObject();
BytesReference originalBytes = builder.bytes();
try (XContentParser parser = createParser(builder.contentType().xContent(), originalBytes)) {
assertEquals(XContentParser.Token.START_OBJECT, parser.nextToken());
ParsingException ex = expectThrows(ParsingException.class, () -> Aggregations.fromXContent(parser));
assertEquals("Could not parse aggregation keyed as [unknownAggregation]", ex.getMessage());
}
}
public final InternalAggregations createTestInstance() {
return createTestInstance(1, 0, 5);
}
private static InternalAggregations createTestInstance(final int minNumAggs, final int currentDepth, final int maxDepth) {
int numAggs = randomIntBetween(minNumAggs, 4);
List<InternalAggregation> aggs = new ArrayList<>(numAggs);
for (int i = 0; i < numAggs; i++) {
InternalAggregationTestCase testCase = randomFrom(aggsTests);
if (testCase instanceof InternalMultiBucketAggregationTestCase) {
InternalMultiBucketAggregationTestCase multiBucketAggTestCase = (InternalMultiBucketAggregationTestCase) testCase;
if (currentDepth < maxDepth) {
multiBucketAggTestCase.subAggregationsSupplier = () -> createTestInstance(0, currentDepth + 1, maxDepth);
} else {
multiBucketAggTestCase.subAggregationsSupplier = () -> InternalAggregations.EMPTY;
}
} else if (testCase instanceof InternalSingleBucketAggregationTestCase) {
InternalSingleBucketAggregationTestCase singleBucketAggTestCase = (InternalSingleBucketAggregationTestCase) testCase;
if (currentDepth < maxDepth) {
singleBucketAggTestCase.subAggregationsSupplier = () -> createTestInstance(0, currentDepth + 1, maxDepth);
} else {
singleBucketAggTestCase.subAggregationsSupplier = () -> InternalAggregations.EMPTY;
}
}
aggs.add(testCase.createTestInstance());
}
return new InternalAggregations(aggs);
}
}
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