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// Copyright Yahoo. 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 {\n" +
" document test { \n" +
" field a type int { \n" +
" indexing: attribute \n" +
" attribute: fast-search\n" +
" }\n" +
" field b type int {\n" +
" indexing: attribute \n" +
" }\n" +
" }\n" +
" \n" +
" rank-profile parent {\n" +
" match-phase {\n" +
" diversity {\n" +
" attribute: b\n" +
" min-groups: 74\n" +
" cutoff-factor: 17.3\n" +
" cutoff-strategy: strict" +
" }\n" +
" attribute: a\n" +
" max-hits: 120\n" +
" max-filter-coverage: 0.065" +
" }\n" +
" }\n" +
"}\n");
builder.build(true);
Schema s = builder.getSchema();
RankProfile.MatchPhaseSettings matchPhase = rankProfileRegistry.get(s, "parent").getMatchPhaseSettings();
RankProfile.DiversitySettings diversity = matchPhase.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 diversity) throws ParseException {
RankProfileRegistry rankProfileRegistry = new RankProfileRegistry();
ApplicationBuilder builder = new ApplicationBuilder(rankProfileRegistry);
builder.addSchema(
"search test {\n" +
" document test { \n" +
" field a type int { \n" +
" indexing: attribute \n" +
" attribute: fast-search\n" +
" }\n" +
diversity +
" }\n" +
" \n" +
" rank-profile parent {\n" +
" match-phase {\n" +
" diversity {\n" +
" attribute: b\n" +
" min-groups: 74\n" +
" }\n" +
" attribute: a\n" +
" max-hits: 120\n" +
" }\n" +
" }\n" +
"}\n");
return builder;
}
}
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