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// Copyright 2016 Yahoo Inc. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.searchdefinition.processing;
import com.yahoo.searchdefinition.RankProfile;
import com.yahoo.searchdefinition.RankProfileRegistry;
import com.yahoo.searchdefinition.Search;
import com.yahoo.searchdefinition.SearchBuilder;
import com.yahoo.searchdefinition.parser.ParseException;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.ExpectedException;
import java.util.List;
import static org.junit.Assert.assertEquals;
/**
* @author geirst
*/
public class RankingExpressionWithTensorTestCase {
private static class SearchFixture {
RankProfileRegistry rankProfileRegistry = new RankProfileRegistry();
Search search;
SearchFixture(String rankProfiles) throws ParseException {
SearchBuilder builder = new SearchBuilder(rankProfileRegistry);
String sdContent = "search test {\n" +
" document test {\n" +
" }\n" +
rankProfiles +
"\n" +
"}";
builder.importString(sdContent);
builder.build();
search = builder.getSearch();
}
public void assertFirstPhaseExpression(String expExpression, String rankProfile) {
assertEquals(expExpression, getRankProfile(rankProfile).getFirstPhaseRanking().getRoot().toString());
}
public void assertSecondPhaseExpression(String expExpression, String rankProfile) {
assertEquals(expExpression, getRankProfile(rankProfile).getSecondPhaseRanking().getRoot().toString());
}
public void assertRankProperty(String expValue, String name, String rankProfile) {
List<RankProfile.RankProperty> rankPropertyList = getRankProfile(rankProfile).getRankPropertyMap().get(name);
assertEquals(1, rankPropertyList.size());
assertEquals(expValue, rankPropertyList.get(0).getValue());
}
public void assertMacro(String expExpression, String macroName, String rankProfile) {
assertEquals(expExpression, getRankProfile(rankProfile).getMacros().get(macroName).getRankingExpression().getRoot().toString());
}
private RankProfile getRankProfile(String rankProfile) {
return rankProfileRegistry.getRankProfile(search, rankProfile).compile();
}
}
@Test
public void requireThatSingleLineConstantTensorAndTypeCanBeParsed() throws ParseException {
SearchFixture f = new SearchFixture(
" rank-profile my_profile {\n" +
" first-phase {\n" +
" expression: sum(my_tensor)\n" +
" }\n" +
" constants {\n" +
" my_tensor {\n" +
" value: { {x:1,y:2}:1, {x:2,y:1}:2 }\n" +
" type: tensor(x{},y{})\n" +
" }\n" +
" }\n" +
" }");
f.assertFirstPhaseExpression("reduce(constant(my_tensor), sum)", "my_profile");
f.assertRankProperty("{{x:1,y:2}:1.0,{x:2,y:1}:2.0}", "constant(my_tensor).value", "my_profile");
f.assertRankProperty("tensor(x{},y{})", "constant(my_tensor).type", "my_profile");
}
@Test
public void requireThatMultiLineConstantTensorAndTypeCanBeParsed() throws ParseException {
SearchFixture f = new SearchFixture(
" rank-profile my_profile {\n" +
" first-phase {\n" +
" expression: sum(my_tensor)\n" +
" }\n" +
" constants {\n" +
" my_tensor {\n" +
" value {\n" +
" { {x:1,y:2}:1,\n" +
" {x:2,y:1}:2 }\n" +
" }\n" +
" type: tensor(x{},y{})\n" +
" }\n" +
" }\n" +
" }");
f.assertFirstPhaseExpression("reduce(constant(my_tensor), sum)", "my_profile");
f.assertRankProperty("{{x:1,y:2}:1.0,{x:2,y:1}:2.0}", "constant(my_tensor).value", "my_profile");
f.assertRankProperty("tensor(x{},y{})", "constant(my_tensor).type", "my_profile");
}
@Test
public void requireThatConstantTensorsCanBeUsedInSecondPhaseExpression() throws ParseException {
SearchFixture f = new SearchFixture(
" rank-profile my_profile {\n" +
" second-phase {\n" +
" expression: sum(my_tensor)\n" +
" }\n" +
" constants {\n" +
" my_tensor {\n" +
" value: { {x:1}:1 }\n" +
" }\n" +
" }\n" +
" }");
f.assertSecondPhaseExpression("reduce(constant(my_tensor), sum)", "my_profile");
f.assertRankProperty("{{x:1}:1.0}", "constant(my_tensor).value", "my_profile");
f.assertRankProperty("tensor(x{})", "constant(my_tensor).type", "my_profile");
}
@Test
public void requireThatConstantTensorsCanBeUsedInInheritedRankProfile() throws ParseException {
SearchFixture f = new SearchFixture(
" rank-profile parent {\n" +
" constants {\n" +
" my_tensor {\n" +
" value: { {x:1}:1 }\n" +
" }\n" +
" }\n" +
" }\n" +
" rank-profile my_profile inherits parent {\n" +
" first-phase {\n" +
" expression: sum(my_tensor)\n" +
" }\n" +
" }");
f.assertFirstPhaseExpression("reduce(constant(my_tensor), sum)", "my_profile");
f.assertRankProperty("{{x:1}:1.0}", "constant(my_tensor).value", "my_profile");
f.assertRankProperty("tensor(x{})", "constant(my_tensor).type", "my_profile");
}
@Test
public void requireThatConstantTensorsCanBeUsedInMacro() throws ParseException {
SearchFixture f = new SearchFixture(
" rank-profile my_profile {\n" +
" macro my_macro() {\n" +
" expression: sum(my_tensor)\n" +
" }\n" +
" first-phase {\n" +
" expression: 5.0 + my_macro\n" +
" }\n" +
" constants {\n" +
" my_tensor {\n" +
" value: { {x:1}:1 }\n" +
" }\n" +
" }\n" +
" }");
f.assertFirstPhaseExpression("5.0 + my_macro", "my_profile");
f.assertMacro("reduce(constant(my_tensor), sum)", "my_macro", "my_profile");
f.assertRankProperty("{{x:1}:1.0}", "constant(my_tensor).value", "my_profile");
f.assertRankProperty("tensor(x{})", "constant(my_tensor).type", "my_profile");
}
@Test
public void requireThatCombinationOfConstantTensorsAndConstantValuesCanBeUsed() throws ParseException {
SearchFixture f = new SearchFixture(
" rank-profile my_profile {\n" +
" first-phase {\n" +
" expression: my_number_1 + sum(my_tensor) + my_number_2\n" +
" }\n" +
" constants {\n" +
" my_number_1: 3.0\n" +
" my_tensor {\n" +
" value: { {x:1}:1 }\n" +
" }\n" +
" my_number_2: 5.0\n" +
" }\n" +
" }");
f.assertFirstPhaseExpression("3.0 + reduce(constant(my_tensor), sum) + 5.0", "my_profile");
f.assertRankProperty("{{x:1}:1.0}", "constant(my_tensor).value", "my_profile");
f.assertRankProperty("tensor(x{})", "constant(my_tensor).type", "my_profile");
}
@Rule
public ExpectedException exception = ExpectedException.none();
@Test
public void requireThatInvalidTensorTypeSpecThrowsException() throws ParseException {
exception.expect(IllegalArgumentException.class);
exception.expectMessage("For constant tensor 'my_tensor' in rank profile 'my_profile': Illegal tensor type spec: Failed parsing element 'x' in type spec 'tensor(x)'");
new SearchFixture(
" rank-profile my_profile {\n" +
" constants {\n" +
" my_tensor {\n" +
" value: { {x:1}:1 }\n" +
" type: tensor(x)\n" +
" }\n" +
" }\n" +
" }");
}
}
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