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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.metrics.percentiles.hdr;
import org.HdrHistogram.DoubleHistogram;
import org.elasticsearch.common.io.stream.Writeable.Reader;
import org.elasticsearch.search.DocValueFormat;
import org.elasticsearch.search.aggregations.metrics.percentiles.InternalPercentilesRanksTestCase;
import org.elasticsearch.search.aggregations.metrics.percentiles.ParsedPercentiles;
import org.elasticsearch.search.aggregations.pipeline.PipelineAggregator;
import java.util.Arrays;
import java.util.List;
import java.util.Map;
public class InternalHDRPercentilesRanksTests extends InternalPercentilesRanksTestCase<InternalHDRPercentileRanks> {
@Override
protected InternalHDRPercentileRanks createTestInstance(String name, List<PipelineAggregator> aggregators, Map<String, Object> metadata,
boolean keyed, DocValueFormat format, double[] percents, double[] values) {
final DoubleHistogram state = new DoubleHistogram(3);
Arrays.stream(values).forEach(state::recordValue);
return new InternalHDRPercentileRanks(name, percents, state, keyed, format, aggregators, metadata);
}
@Override
protected void assertReduced(InternalHDRPercentileRanks reduced, List<InternalHDRPercentileRanks> inputs) {
// it is hard to check the values due to the inaccuracy of the algorithm
long totalCount = 0;
for (InternalHDRPercentileRanks ranks : inputs) {
totalCount += ranks.state.getTotalCount();
}
assertEquals(totalCount, reduced.state.getTotalCount());
}
@Override
protected Reader<InternalHDRPercentileRanks> instanceReader() {
return InternalHDRPercentileRanks::new;
}
@Override
protected Class<? extends ParsedPercentiles> implementationClass() {
return ParsedHDRPercentileRanks.class;
}
}
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