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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.searchlib.ranking.features;
import static org.junit.Assert.*;
import org.junit.Test;
import java.util.HashMap;
import java.util.Map;
/**
* @author bratseth
*/
public class ElementCompletenessTestCase {
private static final double delta = 0.0001;
@Test
public void testElementCompleteness1() {
Map<String, Integer> query = createQuery();
ElementCompleteness.Item[] items = createField(1);
Features f = ElementCompleteness.compute(query, items);
assertEquals(0.26111111111111107, f.get("completeness").asDouble(), delta);
assertEquals(1.0, f.get("fieldCompleteness").asDouble(), delta);
assertEquals(0.2222222222222222, f.get("queryCompleteness").asDouble(), delta);
assertEquals(3.0, f.get("elementWeight").asDouble(), delta);
}
@Test
public void testElementCompleteness2() {
Map<String, Integer> query = createQuery();
ElementCompleteness.Item[] items = createField(2);
Features f = ElementCompleteness.compute(query, items);
assertEquals(0.975, f.get("completeness").asDouble(), delta);
assertEquals(0.5, f.get("fieldCompleteness").asDouble(), delta);
assertEquals(1.0, f.get("queryCompleteness").asDouble(), delta);
assertEquals(4.0, f.get("elementWeight").asDouble(), delta);
}
@Test
public void testElementCompleteness3() {
Map<String, Integer> query = createQuery();
ElementCompleteness.Item[] items = createField(3);
Features f = ElementCompleteness.compute(query, items);
assertEquals(1.0, f.get("completeness").asDouble(), delta);
assertEquals(1.0, f.get("fieldCompleteness").asDouble(), delta);
assertEquals(1.0, f.get("queryCompleteness").asDouble(), delta);
assertEquals(5.0, f.get("elementWeight").asDouble(), delta);
}
@Test
public void testElementCompletenessNoMatches() {
ElementCompleteness.Item[] items = createField(3);
Features f = ElementCompleteness.compute(new HashMap<String, Integer>(), items);
assertEquals(0.0, f.get("completeness").asDouble(), delta);
assertEquals(0.0, f.get("fieldCompleteness").asDouble(), delta);
assertEquals(0.0, f.get("queryCompleteness").asDouble(), delta);
assertEquals(0.0, f.get("elementWeight").asDouble(), delta);
}
private Map<String, Integer> createQuery() {
Map<String, Integer> query = new HashMap<>();
query.put("a", 100);
query.put("b", 150);
query.put("c", 200);
return query;
}
private ElementCompleteness.Item[] createField(int size) {
ElementCompleteness.Item[] items = new ElementCompleteness.Item[size];
if (size > 0) items[0] = new ElementCompleteness.Item("a", 3); // qc: 100/450=0.22, fc: 1.0, c: 0.611
if (size > 1) items[1] = new ElementCompleteness.Item("a b c d e f", 4); // qc: 1.0, fc: 0.5, c: 0.75
if (size > 2) items[2] = new ElementCompleteness.Item("a b c", 5);
return items;
}
}
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