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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.search.query;
import com.yahoo.search.Query;
import org.junit.jupiter.api.Test;
import static org.junit.jupiter.api.Assertions.*;
/**
* @author baldersheim
*/
public class MatchingTestCase {
@Test
void testDefaultsInQuery() {
Query query = new Query("?query=test");
assertNull(query.getRanking().getMatching().getTermwiseLimit());
assertNull(query.getRanking().getMatching().getNumThreadsPerSearch());
assertNull(query.getRanking().getMatching().getNumSearchPartitions());
assertNull(query.getRanking().getMatching().getMinHitsPerThread());
assertNull(query.getRanking().getMatching().getPostFilterThreshold());
assertNull(query.getRanking().getMatching().getApproximateThreshold());
assertNull(query.getRanking().getMatching().getTargetHitsMaxAdjustmentFactor());
}
@Test
void testQueryOverrides() {
Query query = new Query("?query=test" +
"&ranking.matching.termwiseLimit=0.7" +
"&ranking.matching.numThreadsPerSearch=17" +
"&ranking.matching.numSearchPartitions=13" +
"&ranking.matching.minHitsPerThread=3" +
"&ranking.matching.postFilterThreshold=0.8" +
"&ranking.matching.approximateThreshold=0.3" +
"&ranking.matching.targetHitsMaxAdjustmentFactor=2.5");
assertEquals(Double.valueOf(0.7), query.getRanking().getMatching().getTermwiseLimit());
assertEquals(Integer.valueOf(17), query.getRanking().getMatching().getNumThreadsPerSearch());
assertEquals(Integer.valueOf(13), query.getRanking().getMatching().getNumSearchPartitions());
assertEquals(Integer.valueOf(3), query.getRanking().getMatching().getMinHitsPerThread());
assertEquals(Double.valueOf(0.8), query.getRanking().getMatching().getPostFilterThreshold());
assertEquals(Double.valueOf(0.3), query.getRanking().getMatching().getApproximateThreshold());
assertEquals(Double.valueOf(2.5), query.getRanking().getMatching().getTargetHitsMaxAdjustmentFactor());
query.prepare();
assertEquals("0.7", query.getRanking().getProperties().get("vespa.matching.termwise_limit").get(0));
assertEquals("17", query.getRanking().getProperties().get("vespa.matching.numthreadspersearch").get(0));
assertEquals("13", query.getRanking().getProperties().get("vespa.matching.numsearchpartitions").get(0));
assertEquals("3", query.getRanking().getProperties().get("vespa.matching.minhitsperthread").get(0));
assertEquals("0.8", query.getRanking().getProperties().get("vespa.matching.global_filter.upper_limit").get(0));
assertEquals("0.3", query.getRanking().getProperties().get("vespa.matching.global_filter.lower_limit").get(0));
assertEquals("2.5", query.getRanking().getProperties().get("vespa.matching.nns.target_hits_max_adjustment_factor").get(0));
}
@Test
void testBackwardsCompatibleQueryOverrides() {
// The lowercase aliases are supported to provide backwards compatibility of the properties that was wrongly named in the first place.
Query query = new Query("?query=test" +
"&ranking.matching.termwiselimit=0.7" +
"&ranking.matching.numthreadspersearch=17" +
"&ranking.matching.numsearchpartitions=13" +
"&ranking.matching.minhitsperthread=3");
assertEquals(Double.valueOf(0.7), query.getRanking().getMatching().getTermwiseLimit());
assertEquals(Integer.valueOf(17), query.getRanking().getMatching().getNumThreadsPerSearch());
assertEquals(Integer.valueOf(13), query.getRanking().getMatching().getNumSearchPartitions());
assertEquals(Integer.valueOf(3), query.getRanking().getMatching().getMinHitsPerThread());
}
private void verifyException(String key, String value) {
try {
new Query("?query=test&ranking.matching."+key+"="+value);
fail();
} catch (IllegalArgumentException e) {
assertEquals("Could not set 'ranking.matching." + key + "' to '" + value +"'", e.getMessage());
assertEquals(key + " must be in the range [0.0, 1.0]. It is " + value, e.getCause().getMessage());
}
}
@Test
void testLimits() {
verifyException("termwiselimit", "-0.1");
verifyException("termwiselimit", "1.1");
}
}
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