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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.schema;
import com.yahoo.search.query.ranking.Diversity;
import com.yahoo.schema.parser.ParseException;
import org.junit.jupiter.api.Test;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.fail;
/**
* @author baldersheim
*/
public class DiversityTestCase {
@Test
void testDiversity() throws ParseException {
RankProfileRegistry rankProfileRegistry = new RankProfileRegistry();
ApplicationBuilder builder = new ApplicationBuilder(rankProfileRegistry);
builder.addSchema(
"""
search test {
document test {
field a type int {
indexing: attribute
attribute: fast-search
}
field b type int {
indexing: attribute
}
}
rank-profile parent {
match-phase {
attribute: a
max-hits: 120
max-filter-coverage: 0.065
}
diversity {
attribute: b
min-groups: 74
cutoff-factor: 17.3
cutoff-strategy: strict
}
}
}
""");
builder.build(true);
Schema s = builder.getSchema();
RankProfile parent = rankProfileRegistry.get(s, "parent");
RankProfile.MatchPhaseSettings matchPhase = parent.getMatchPhase();
RankProfile.DiversitySettings diversity = parent.getDiversity();
assertEquals("b", diversity.getAttribute());
assertEquals(74, diversity.getMinGroups());
assertEquals(17.3, diversity.getCutoffFactor(), 1e-16);
assertEquals(Diversity.CutoffStrategy.strict, diversity.getCutoffStrategy());
assertEquals(120, matchPhase.getMaxHits());
assertEquals("a", matchPhase.getAttribute());
assertEquals(0.065, matchPhase.getMaxFilterCoverage(), 1e-16);
}
private static String getMessagePrefix() {
return "In search definition 'test', rank-profile 'parent': diversity attribute 'b' ";
}
@Test
void requireSingleNumericOrString() throws ParseException {
ApplicationBuilder builder = getSearchBuilder("field b type predicate { indexing: attribute }");
try {
builder.build(true);
fail("Should throw.");
} catch (IllegalArgumentException e) {
assertEquals(getMessagePrefix() + "must be single value numeric, or enumerated attribute, but it is 'predicate'", e.getMessage());
}
}
@Test
void requireSingle() throws ParseException {
ApplicationBuilder builder = getSearchBuilder("field b type array<int> { indexing: attribute }");
try {
builder.build(true);
fail("Should throw.");
} catch (IllegalArgumentException e) {
assertEquals(getMessagePrefix() + "must be single value numeric, or enumerated attribute, but it is 'Array<int>'", e.getMessage());
}
}
private ApplicationBuilder getSearchBuilder(String diversityField) throws ParseException {
RankProfileRegistry rankProfileRegistry = new RankProfileRegistry();
ApplicationBuilder builder = new ApplicationBuilder(rankProfileRegistry);
builder.addSchema("""
search test {
document test {
field a type int {
indexing: attribute
attribute: fast-search
}""" +
diversityField +
"""
}
rank-profile parent {
match-phase {
diversity {
attribute: b
min-groups: 74
}
attribute: a
max-hits: 120
}
}
}""");
return builder;
}
}
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