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// Copyright 2017 Yahoo Holdings. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.searchdefinition;
import com.yahoo.collections.Pair;
import com.yahoo.search.query.profile.QueryProfileRegistry;
import ai.vespa.rankingexpression.importer.configmodelview.ImportedMlModels;
import com.yahoo.yolean.Exceptions;
import com.yahoo.searchdefinition.derived.AttributeFields;
import com.yahoo.searchdefinition.derived.RawRankProfile;
import com.yahoo.searchdefinition.parser.ParseException;
import org.junit.Test;
import java.util.List;
import static org.junit.Assert.*;
/**
* @author bratseth
*/
public class RankingExpressionConstantsTestCase extends SchemaTestCase {
@Test
public void testConstants() throws ParseException {
RankProfileRegistry rankProfileRegistry = new RankProfileRegistry();
QueryProfileRegistry queryProfileRegistry = new QueryProfileRegistry();
SearchBuilder builder = new SearchBuilder(rankProfileRegistry);
builder.importString(
"search test {\n" +
" document test { \n" +
" field a type string { \n" +
" indexing: index \n" +
" }\n" +
" }\n" +
" \n" +
" rank-profile parent {\n" +
" constants {\n" +
" p1: 7 \n" +
" p2: 0 \n" +
" }\n" +
" first-phase {\n" +
" expression: p2 * (1.3 + p1 )\n" +
" }\n" +
" }\n" +
" rank-profile child1 inherits parent {\n" +
" first-phase {\n" +
" expression: a + b + c \n" +
" }\n" +
" second-phase {\n" +
" expression: a + p1 + c \n" +
" }\n" +
" constants {\n" +
" a: 1.0 \n" +
" b: 2 \n" +
" c: 3.5 \n" +
" }\n" +
" }\n" +
" rank-profile child2 inherits parent {\n" +
" constants {\n" +
" p2: 2.0 \n" +
" }\n" +
" function foo() {\n" +
" expression: p2*p1\n" +
" }\n" +
" }\n" +
"\n" +
"}\n");
builder.build();
Search s = builder.getSearch();
RankProfile parent = rankProfileRegistry.get(s, "parent").compile(queryProfileRegistry, new ImportedMlModels());
assertEquals("0.0", parent.getFirstPhaseRanking().getRoot().toString());
RankProfile child1 = rankProfileRegistry.get(s, "child1").compile(queryProfileRegistry, new ImportedMlModels());
assertEquals("6.5", child1.getFirstPhaseRanking().getRoot().toString());
assertEquals("11.5", child1.getSecondPhaseRanking().getRoot().toString());
RankProfile child2 = rankProfileRegistry.get(s, "child2").compile(queryProfileRegistry, new ImportedMlModels());
assertEquals("16.6", child2.getFirstPhaseRanking().getRoot().toString());
assertEquals("foo: 14.0", child2.getFunctions().get("foo").function().getBody().toString());
List<Pair<String, String>> rankProperties = new RawRankProfile(child2,
queryProfileRegistry,
new ImportedMlModels(),
new AttributeFields(s)).configProperties();
assertEquals("(rankingExpression(foo).rankingScript,14.0)", rankProperties.get(0).toString());
assertEquals("(rankingExpression(firstphase).rankingScript,16.6)", rankProperties.get(2).toString());
}
@Test
public void testNameCollision() throws ParseException {
RankProfileRegistry rankProfileRegistry = new RankProfileRegistry();
SearchBuilder builder = new SearchBuilder(rankProfileRegistry);
builder.importString(
"search test {\n" +
" document test { \n" +
" field a type string { \n" +
" indexing: index \n" +
" }\n" +
" }\n" +
" \n" +
" rank-profile test {\n" +
" constants {\n" +
" c: 7 \n" +
" }\n" +
" function c() {\n" +
" expression: p2*p1\n" +
" }\n" +
" }\n" +
"\n" +
"}\n");
builder.build();
Search s = builder.getSearch();
try {
rankProfileRegistry.get(s, "test").compile(new QueryProfileRegistry(), new ImportedMlModels());
fail("Should have caused an exception");
}
catch (IllegalArgumentException e) {
assertEquals("Rank profile 'test' is invalid: Cannot have both a constant and function named 'c'",
Exceptions.toMessageString(e));
}
}
@Test
public void testNegativeLiteralArgument() throws ParseException {
RankProfileRegistry rankProfileRegistry = new RankProfileRegistry();
SearchBuilder builder = new SearchBuilder(rankProfileRegistry);
builder.importString(
"search test {\n" +
" document test { \n" +
" field a type string { \n" +
" indexing: index \n" +
" }\n" +
" }\n" +
" \n" +
" rank-profile test {\n" +
" function POP_SLOW_SCORE() {\n" +
" expression: safeLog(popShareSlowDecaySignal, -9.21034037)\n" +
" }\n" +
" }\n" +
"\n" +
"}\n");
builder.build();
Search s = builder.getSearch();
RankProfile profile = rankProfileRegistry.get(s, "test");
assertEquals("safeLog(popShareSlowDecaySignal,-9.21034037)", profile.getFunctions().get("POP_SLOW_SCORE").function().getBody().getRoot().toString());
}
@Test
public void testNegativeConstantArgument() throws ParseException {
RankProfileRegistry rankProfileRegistry = new RankProfileRegistry();
SearchBuilder builder = new SearchBuilder(rankProfileRegistry);
builder.importString(
"search test {\n" +
" document test { \n" +
" field a type string { \n" +
" indexing: index \n" +
" }\n" +
" }\n" +
" \n" +
" rank-profile test {\n" +
" constants {\n" +
" myValue: -9.21034037\n" +
" }\n" +
" function POP_SLOW_SCORE() {\n" +
" expression: safeLog(popShareSlowDecaySignal, myValue)\n" +
" }\n" +
" }\n" +
"\n" +
"}\n");
builder.build();
Search s = builder.getSearch();
RankProfile profile = rankProfileRegistry.get(s, "test");
assertEquals("safeLog(popShareSlowDecaySignal,myValue)", profile.getFunctions().get("POP_SLOW_SCORE").function().getBody().getRoot().toString());
assertEquals("safeLog(popShareSlowDecaySignal,-9.21034037)",
profile.compile(new QueryProfileRegistry(), new ImportedMlModels()).getFunctions().get("POP_SLOW_SCORE").function().getBody().getRoot().toString());
}
@Test
public void testConstantDivisorInFunction() throws ParseException {
RankProfileRegistry rankProfileRegistry = new RankProfileRegistry();
SearchBuilder builder = new SearchBuilder(rankProfileRegistry);
builder.importString(
"search test {\n" +
" document test { \n" +
" }\n" +
" \n" +
" rank-profile test {\n" +
" function rank_default(){\n" +
" expression: k1 + (k2 + k3) / 100000000.0\n\n" +
" }\n" +
" }\n" +
"\n" +
"}\n");
builder.build();
Search s = builder.getSearch();
RankProfile profile = rankProfileRegistry.get(s, "test");
assertEquals("k1 + (k2 + k3) / 100000000.0",
profile.compile(new QueryProfileRegistry(), new ImportedMlModels()).getFunctions().get("rank_default").function().getBody().getRoot().toString());
}
@Test
public void test3() throws ParseException {
RankProfileRegistry rankProfileRegistry = new RankProfileRegistry();
SearchBuilder builder = new SearchBuilder(rankProfileRegistry);
builder.importString(
"search test {\n" +
" document test { \n" +
" field rating_yelp type int {" +
" indexing: attribute" +
" }" +
" }\n" +
" \n" +
" rank-profile test {\n" +
" function rank_default(){\n" +
" expression: 0.5+50*(attribute(rating_yelp)-3)\n\n" +
" }\n" +
" }\n" +
"\n" +
"}\n");
builder.build();
Search s = builder.getSearch();
RankProfile profile = rankProfileRegistry.get(s, "test");
assertEquals("0.5 + 50 * (attribute(rating_yelp) - 3)",
profile.compile(new QueryProfileRegistry(), new ImportedMlModels()).getFunctions().get("rank_default").function().getBody().getRoot().toString());
}
}
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