/
QueryStringQueryBuilderTests.java
692 lines (636 loc) · 34.8 KB
/
QueryStringQueryBuilderTests.java
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/*
* Licensed to Elasticsearch under one or more contributor
* license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright
* ownership. Elasticsearch licenses this file to you under
* the Apache License, Version 2.0 (the "License"); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.elasticsearch.index.query;
import org.apache.lucene.index.Term;
import org.apache.lucene.queryparser.classic.MapperQueryParser;
import org.apache.lucene.queryparser.classic.QueryParserSettings;
import org.apache.lucene.search.BooleanClause;
import org.apache.lucene.search.BooleanQuery;
import org.apache.lucene.search.BoostQuery;
import org.apache.lucene.search.DisjunctionMaxQuery;
import org.apache.lucene.search.FuzzyQuery;
import org.apache.lucene.search.MatchAllDocsQuery;
import org.apache.lucene.search.MatchNoDocsQuery;
import org.apache.lucene.search.MultiTermQuery;
import org.apache.lucene.search.PhraseQuery;
import org.apache.lucene.search.PrefixQuery;
import org.apache.lucene.search.Query;
import org.apache.lucene.search.RegexpQuery;
import org.apache.lucene.search.SynonymQuery;
import org.apache.lucene.search.TermQuery;
import org.apache.lucene.util.automaton.TooComplexToDeterminizeException;
import org.elasticsearch.common.lucene.all.AllTermQuery;
import org.elasticsearch.common.unit.Fuzziness;
import org.elasticsearch.search.internal.SearchContext;
import org.elasticsearch.test.AbstractQueryTestCase;
import org.hamcrest.Matchers;
import org.joda.time.DateTimeZone;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import static org.elasticsearch.index.query.QueryBuilders.queryStringQuery;
import static org.elasticsearch.test.hamcrest.ElasticsearchAssertions.assertBooleanSubQuery;
import static org.hamcrest.CoreMatchers.either;
import static org.hamcrest.CoreMatchers.equalTo;
import static org.hamcrest.Matchers.containsString;
import static org.hamcrest.Matchers.instanceOf;
public class QueryStringQueryBuilderTests extends AbstractQueryTestCase<QueryStringQueryBuilder> {
@Override
protected QueryStringQueryBuilder doCreateTestQueryBuilder() {
int numTerms = randomIntBetween(0, 5);
String query = "";
for (int i = 0; i < numTerms; i++) {
//min length 4 makes sure that the text is not an operator (AND/OR) so toQuery won't break
query += (randomBoolean() ? STRING_FIELD_NAME + ":" : "") + randomAsciiOfLengthBetween(4, 10) + " ";
}
QueryStringQueryBuilder queryStringQueryBuilder = new QueryStringQueryBuilder(query);
if (randomBoolean()) {
queryStringQueryBuilder.defaultField(randomBoolean() ?
STRING_FIELD_NAME : randomAsciiOfLengthBetween(1, 10));
}
if (randomBoolean()) {
int numFields = randomIntBetween(1, 5);
for (int i = 0; i < numFields; i++) {
String fieldName = randomBoolean() ? STRING_FIELD_NAME : randomAsciiOfLengthBetween(1, 10);
if (randomBoolean()) {
queryStringQueryBuilder.field(fieldName);
} else {
queryStringQueryBuilder.field(fieldName, randomFloat());
}
}
}
if (randomBoolean()) {
queryStringQueryBuilder.defaultOperator(randomFrom(Operator.values()));
}
if (randomBoolean()) {
//we only use string fields (either mapped or unmapped)
queryStringQueryBuilder.fuzziness(randomFuzziness(STRING_FIELD_NAME));
}
if (randomBoolean()) {
queryStringQueryBuilder.analyzer(randomAnalyzer());
}
if (randomBoolean()) {
queryStringQueryBuilder.quoteAnalyzer(randomAnalyzer());
}
if (randomBoolean()) {
queryStringQueryBuilder.allowLeadingWildcard(randomBoolean());
}
if (randomBoolean()) {
queryStringQueryBuilder.analyzeWildcard(randomBoolean());
}
if (randomBoolean()) {
queryStringQueryBuilder.maxDeterminizedStates(randomIntBetween(1, 100));
}
if (randomBoolean()) {
queryStringQueryBuilder.lowercaseExpandedTerms(randomBoolean());
}
if (randomBoolean()) {
queryStringQueryBuilder.autoGeneratePhraseQueries(randomBoolean());
}
if (randomBoolean()) {
queryStringQueryBuilder.enablePositionIncrements(randomBoolean());
}
if (randomBoolean()) {
queryStringQueryBuilder.lenient(randomBoolean());
}
if (randomBoolean()) {
queryStringQueryBuilder.escape(randomBoolean());
}
if (randomBoolean()) {
queryStringQueryBuilder.phraseSlop(randomIntBetween(0, 10));
}
if (randomBoolean()) {
queryStringQueryBuilder.fuzzyMaxExpansions(randomIntBetween(0, 100));
}
if (randomBoolean()) {
queryStringQueryBuilder.fuzzyPrefixLength(randomIntBetween(0, 10));
}
if (randomBoolean()) {
queryStringQueryBuilder.fuzzyRewrite(getRandomRewriteMethod());
}
if (randomBoolean()) {
queryStringQueryBuilder.rewrite(getRandomRewriteMethod());
}
if (randomBoolean()) {
queryStringQueryBuilder.quoteFieldSuffix(randomAsciiOfLengthBetween(1, 3));
}
if (randomBoolean()) {
queryStringQueryBuilder.tieBreaker(randomFloat());
}
if (randomBoolean()) {
queryStringQueryBuilder.minimumShouldMatch(randomMinimumShouldMatch());
}
if (randomBoolean()) {
queryStringQueryBuilder.useDisMax(randomBoolean());
}
if (randomBoolean()) {
queryStringQueryBuilder.locale(randomLocale(random()));
}
if (randomBoolean()) {
queryStringQueryBuilder.timeZone(randomDateTimeZone().getID());
}
queryStringQueryBuilder.splitOnWhitespace(randomBoolean());
return queryStringQueryBuilder;
}
@Override
protected void doAssertLuceneQuery(QueryStringQueryBuilder queryBuilder,
Query query, SearchContext context) throws IOException {
if ("".equals(queryBuilder.queryString())) {
assertThat(query, instanceOf(MatchNoDocsQuery.class));
} else {
assertThat(query, either(instanceOf(TermQuery.class)).or(instanceOf(AllTermQuery.class))
.or(instanceOf(BooleanQuery.class)).or(instanceOf(DisjunctionMaxQuery.class))
.or(instanceOf(PhraseQuery.class)));
}
}
public void testIllegalArguments() {
expectThrows(IllegalArgumentException.class, () -> new QueryStringQueryBuilder((String) null));
}
public void testToQueryMatchAllQuery() throws Exception {
Query query = queryStringQuery("*:*").toQuery(createShardContext());
assertThat(query, instanceOf(MatchAllDocsQuery.class));
}
public void testToQueryTermQuery() throws IOException {
assumeTrue("test runs only when at least a type is registered", getCurrentTypes().length > 0);
Query query = queryStringQuery("test").defaultField(STRING_FIELD_NAME).toQuery(createShardContext());
assertThat(query, instanceOf(TermQuery.class));
TermQuery termQuery = (TermQuery) query;
assertThat(termQuery.getTerm(), equalTo(new Term(STRING_FIELD_NAME, "test")));
}
public void testToQueryPhraseQuery() throws IOException {
assumeTrue("test runs only when at least a type is registered", getCurrentTypes().length > 0);
Query query = queryStringQuery("\"term1 term2\"")
.defaultField(STRING_FIELD_NAME)
.phraseSlop(3)
.toQuery(createShardContext());
assertThat(query, instanceOf(DisjunctionMaxQuery.class));
DisjunctionMaxQuery disjunctionMaxQuery = (DisjunctionMaxQuery) query;
assertThat(disjunctionMaxQuery.getDisjuncts().size(), equalTo(1));
assertThat(disjunctionMaxQuery.getDisjuncts().get(0), instanceOf(PhraseQuery.class));
PhraseQuery phraseQuery = (PhraseQuery)disjunctionMaxQuery.getDisjuncts().get(0);
assertThat(phraseQuery.getTerms().length, equalTo(2));
assertThat(phraseQuery.getTerms()[0], equalTo(new Term(STRING_FIELD_NAME, "term1")));
assertThat(phraseQuery.getTerms()[1], equalTo(new Term(STRING_FIELD_NAME, "term2")));
assertThat(phraseQuery.getSlop(), equalTo(3));
}
public void testToQueryBoosts() throws Exception {
assumeTrue("test runs only when at least a type is registered", getCurrentTypes().length > 0);
QueryShardContext shardContext = createShardContext();
QueryStringQueryBuilder queryStringQuery = queryStringQuery(STRING_FIELD_NAME + ":boosted^2");
Query query = queryStringQuery.toQuery(shardContext);
assertThat(query, instanceOf(BoostQuery.class));
BoostQuery boostQuery = (BoostQuery) query;
assertThat(boostQuery.getBoost(), equalTo(2.0f));
assertThat(boostQuery.getQuery(), instanceOf(TermQuery.class));
assertThat(((TermQuery) boostQuery.getQuery()).getTerm(), equalTo(new Term(STRING_FIELD_NAME, "boosted")));
queryStringQuery.boost(2.0f);
query = queryStringQuery.toQuery(shardContext);
assertThat(query, instanceOf(BoostQuery.class));
boostQuery = (BoostQuery) query;
assertThat(boostQuery.getBoost(), equalTo(2.0f));
assertThat(boostQuery .getQuery(), instanceOf(BoostQuery.class));
boostQuery = (BoostQuery) boostQuery.getQuery();
assertThat(boostQuery.getBoost(), equalTo(2.0f));
queryStringQuery =
queryStringQuery("((" + STRING_FIELD_NAME + ":boosted^2) AND (" + STRING_FIELD_NAME + ":foo^1.5))^3");
query = queryStringQuery.toQuery(shardContext);
assertThat(query, instanceOf(BoostQuery.class));
boostQuery = (BoostQuery) query;
assertThat(boostQuery.getBoost(), equalTo(3.0f));
BoostQuery boostQuery1 = assertBooleanSubQuery(boostQuery.getQuery(), BoostQuery.class, 0);
assertThat(boostQuery1.getBoost(), equalTo(2.0f));
assertThat(boostQuery1.getQuery(), instanceOf(TermQuery.class));
assertThat(((TermQuery)boostQuery1.getQuery()).getTerm(), equalTo(new Term(STRING_FIELD_NAME, "boosted")));
BoostQuery boostQuery2 = assertBooleanSubQuery(boostQuery.getQuery(), BoostQuery.class, 1);
assertThat(boostQuery2.getBoost(), equalTo(1.5f));
assertThat(boostQuery2.getQuery(), instanceOf(TermQuery.class));
assertThat(((TermQuery)boostQuery2.getQuery()).getTerm(), equalTo(new Term(STRING_FIELD_NAME, "foo")));
queryStringQuery.boost(2.0f);
query = queryStringQuery.toQuery(shardContext);
assertThat(query, instanceOf(BoostQuery.class));
boostQuery = (BoostQuery) query;
assertThat(boostQuery.getBoost(), equalTo(2.0f));
}
public void testToQueryMultipleTermsBooleanQuery() throws Exception {
assumeTrue("test runs only when at least a type is registered", getCurrentTypes().length > 0);
Query query = queryStringQuery("test1 test2").field(STRING_FIELD_NAME)
.useDisMax(false)
.toQuery(createShardContext());
assertThat(query, instanceOf(BooleanQuery.class));
BooleanQuery bQuery = (BooleanQuery) query;
assertThat(bQuery.clauses().size(), equalTo(2));
assertThat(assertBooleanSubQuery(query, TermQuery.class, 0).getTerm(),
equalTo(new Term(STRING_FIELD_NAME, "test1")));
assertThat(assertBooleanSubQuery(query, TermQuery.class, 1).getTerm(),
equalTo(new Term(STRING_FIELD_NAME, "test2")));
}
public void testToQueryMultipleFieldsBooleanQuery() throws Exception {
assumeTrue("test runs only when at least a type is registered", getCurrentTypes().length > 0);
Query query = queryStringQuery("test").field(STRING_FIELD_NAME)
.field(STRING_FIELD_NAME_2)
.useDisMax(false)
.toQuery(createShardContext());
assertThat(query, instanceOf(BooleanQuery.class));
BooleanQuery bQuery = (BooleanQuery) query;
assertThat(bQuery.clauses().size(), equalTo(2));
assertThat(assertBooleanSubQuery(query, TermQuery.class, 0).getTerm(),
equalTo(new Term(STRING_FIELD_NAME, "test")));
assertThat(assertBooleanSubQuery(query, TermQuery.class, 1).getTerm(),
equalTo(new Term(STRING_FIELD_NAME_2, "test")));
}
public void testToQueryMultipleFieldsDisMaxQuery() throws Exception {
assumeTrue("test runs only when at least a type is registered", getCurrentTypes().length > 0);
Query query = queryStringQuery("test").field(STRING_FIELD_NAME).field(STRING_FIELD_NAME_2)
.useDisMax(true)
.toQuery(createShardContext());
assertThat(query, instanceOf(DisjunctionMaxQuery.class));
DisjunctionMaxQuery disMaxQuery = (DisjunctionMaxQuery) query;
List<Query> disjuncts = disMaxQuery.getDisjuncts();
assertThat(((TermQuery) disjuncts.get(0)).getTerm(), equalTo(new Term(STRING_FIELD_NAME, "test")));
assertThat(((TermQuery) disjuncts.get(1)).getTerm(), equalTo(new Term(STRING_FIELD_NAME_2, "test")));
}
public void testToQueryFieldsWildcard() throws Exception {
assumeTrue("test runs only when at least a type is registered", getCurrentTypes().length > 0);
Query query = queryStringQuery("test").field("mapped_str*").useDisMax(false).toQuery(createShardContext());
assertThat(query, instanceOf(BooleanQuery.class));
BooleanQuery bQuery = (BooleanQuery) query;
assertThat(bQuery.clauses().size(), equalTo(2));
assertThat(assertBooleanSubQuery(query, TermQuery.class, 0).getTerm(),
equalTo(new Term(STRING_FIELD_NAME, "test")));
assertThat(assertBooleanSubQuery(query, TermQuery.class, 1).getTerm(),
equalTo(new Term(STRING_FIELD_NAME_2, "test")));
}
public void testToQueryDisMaxQuery() throws Exception {
assumeTrue("test runs only when at least a type is registered", getCurrentTypes().length > 0);
Query query = queryStringQuery("test").field(STRING_FIELD_NAME, 2.2f)
.field(STRING_FIELD_NAME_2)
.useDisMax(true)
.toQuery(createShardContext());
assertThat(query, instanceOf(DisjunctionMaxQuery.class));
DisjunctionMaxQuery disMaxQuery = (DisjunctionMaxQuery) query;
List<Query> disjuncts = disMaxQuery.getDisjuncts();
assertTermOrBoostQuery(disjuncts.get(0), STRING_FIELD_NAME, "test", 2.2f);
assertTermOrBoostQuery(disjuncts.get(1), STRING_FIELD_NAME_2, "test", 1.0f);
}
public void testToQueryWildcarQuery() throws Exception {
assumeTrue("test runs only when at least a type is registered", getCurrentTypes().length > 0);
for (Operator op : Operator.values()) {
BooleanClause.Occur defaultOp = op.toBooleanClauseOccur();
MapperQueryParser queryParser = new MapperQueryParser(createShardContext());
QueryParserSettings settings = new QueryParserSettings("first foo-bar-foobar* last");
settings.defaultField(STRING_FIELD_NAME);
settings.fieldsAndWeights(Collections.emptyMap());
settings.analyzeWildcard(true);
settings.fuzziness(Fuzziness.AUTO);
settings.rewriteMethod(MultiTermQuery.CONSTANT_SCORE_REWRITE);
settings.defaultOperator(op.toQueryParserOperator());
queryParser.reset(settings);
Query query = queryParser.parse("first foo-bar-foobar* last");
Query expectedQuery =
new BooleanQuery.Builder()
.add(new BooleanClause(new TermQuery(new Term(STRING_FIELD_NAME, "first")), defaultOp))
.add(new BooleanQuery.Builder()
.add(new BooleanClause(new TermQuery(new Term(STRING_FIELD_NAME, "foo")), defaultOp))
.add(new BooleanClause(new TermQuery(new Term(STRING_FIELD_NAME, "bar")), defaultOp))
.add(new BooleanClause(new PrefixQuery(new Term(STRING_FIELD_NAME, "foobar")), defaultOp))
.build(), defaultOp)
.add(new BooleanClause(new TermQuery(new Term(STRING_FIELD_NAME, "last")), defaultOp))
.build();
assertThat(query, Matchers.equalTo(expectedQuery));
}
}
public void testToQueryWilcardQueryWithSynonyms() throws Exception {
assumeTrue("test runs only when at least a type is registered", getCurrentTypes().length > 0);
for (Operator op : Operator.values()) {
BooleanClause.Occur defaultOp = op.toBooleanClauseOccur();
MapperQueryParser queryParser = new MapperQueryParser(createShardContext());
QueryParserSettings settings = new QueryParserSettings("first foo-bar-foobar* last");
settings.defaultField(STRING_FIELD_NAME);
settings.fieldsAndWeights(Collections.emptyMap());
settings.analyzeWildcard(true);
settings.fuzziness(Fuzziness.AUTO);
settings.rewriteMethod(MultiTermQuery.CONSTANT_SCORE_REWRITE);
settings.defaultOperator(op.toQueryParserOperator());
settings.forceAnalyzer(new MockRepeatAnalyzer());
queryParser.reset(settings);
Query query = queryParser.parse("first foo-bar-foobar* last");
Query expectedQuery = new BooleanQuery.Builder()
.add(new BooleanClause(new SynonymQuery(new Term(STRING_FIELD_NAME, "first"),
new Term(STRING_FIELD_NAME, "first")), defaultOp))
.add(new BooleanQuery.Builder()
.add(new BooleanClause(new SynonymQuery(new Term(STRING_FIELD_NAME, "foo"),
new Term(STRING_FIELD_NAME, "foo")), defaultOp))
.add(new BooleanClause(new SynonymQuery(new Term(STRING_FIELD_NAME, "bar"),
new Term(STRING_FIELD_NAME, "bar")), defaultOp))
.add(new BooleanQuery.Builder()
.add(new BooleanClause(new PrefixQuery(new Term(STRING_FIELD_NAME, "foobar")),
BooleanClause.Occur.SHOULD))
.add(new BooleanClause(new PrefixQuery(new Term(STRING_FIELD_NAME, "foobar")),
BooleanClause.Occur.SHOULD))
.setDisableCoord(true)
.build(), defaultOp)
.build(), defaultOp)
.add(new BooleanClause(new SynonymQuery(new Term(STRING_FIELD_NAME, "last"),
new Term(STRING_FIELD_NAME, "last")), defaultOp))
.build();
assertThat(query, Matchers.equalTo(expectedQuery));
}
}
public void testToQueryRegExpQuery() throws Exception {
assumeTrue("test runs only when at least a type is registered", getCurrentTypes().length > 0);
Query query = queryStringQuery("/foo*bar/").defaultField(STRING_FIELD_NAME)
.maxDeterminizedStates(5000)
.toQuery(createShardContext());
assertThat(query, instanceOf(RegexpQuery.class));
RegexpQuery regexpQuery = (RegexpQuery) query;
assertTrue(regexpQuery.toString().contains("/foo*bar/"));
}
public void testToQueryRegExpQueryTooComplex() throws Exception {
assumeTrue("test runs only when at least a type is registered", getCurrentTypes().length > 0);
QueryStringQueryBuilder queryBuilder = queryStringQuery("/[ac]*a[ac]{50,200}/").defaultField(STRING_FIELD_NAME);
TooComplexToDeterminizeException e = expectThrows(TooComplexToDeterminizeException.class,
() -> queryBuilder.toQuery(createShardContext()));
assertThat(e.getMessage(), containsString("Determinizing [ac]*"));
assertThat(e.getMessage(), containsString("would result in more than 10000 states"));
}
public void testToQueryFuzzyQueryAutoFuziness() throws Exception {
assumeTrue("test runs only when at least a type is registered", getCurrentTypes().length > 0);
int length = randomIntBetween(1, 10);
StringBuilder queryString = new StringBuilder();
for (int i = 0; i < length; i++) {
queryString.append("a");
}
queryString.append("~");
int expectedEdits;
if (length <= 2) {
expectedEdits = 0;
} else if (3 <= length && length <= 5) {
expectedEdits = 1;
} else {
expectedEdits = 2;
}
Query query = queryStringQuery(queryString.toString()).defaultField(STRING_FIELD_NAME).fuzziness(Fuzziness.AUTO)
.toQuery(createShardContext());
assertThat(query, instanceOf(FuzzyQuery.class));
FuzzyQuery fuzzyQuery = (FuzzyQuery) query;
assertEquals(expectedEdits, fuzzyQuery.getMaxEdits());
}
public void testFuzzyNumeric() throws Exception {
assumeTrue("test runs only when at least a type is registered", getCurrentTypes().length > 0);
QueryStringQueryBuilder query = queryStringQuery("12~0.2").defaultField(INT_FIELD_NAME);
QueryShardContext context = createShardContext();
IllegalArgumentException e = expectThrows(IllegalArgumentException.class,
() -> query.toQuery(context));
assertEquals("Can only use fuzzy queries on keyword and text fields - not on [mapped_int] which is of type [integer]",
e.getMessage());
query.lenient(true);
query.toQuery(context); // no exception
}
public void testPrefixNumeric() throws Exception {
assumeTrue("test runs only when at least a type is registered", getCurrentTypes().length > 0);
QueryStringQueryBuilder query = queryStringQuery("12*").defaultField(INT_FIELD_NAME);
QueryShardContext context = createShardContext();
QueryShardException e = expectThrows(QueryShardException.class,
() -> query.toQuery(context));
assertEquals("Can only use prefix queries on keyword and text fields - not on [mapped_int] which is of type [integer]",
e.getMessage());
query.lenient(true);
query.toQuery(context); // no exception
}
public void testExactGeo() throws Exception {
assumeTrue("test runs only when at least a type is registered", getCurrentTypes().length > 0);
QueryStringQueryBuilder query = queryStringQuery("2,3").defaultField(GEO_POINT_FIELD_NAME);
QueryShardContext context = createShardContext();
QueryShardException e = expectThrows(QueryShardException.class,
() -> query.toQuery(context));
assertEquals("Geo fields do not support exact searching, use dedicated geo queries instead: [mapped_geo_point]",
e.getMessage());
query.lenient(true);
query.toQuery(context); // no exception
}
public void testTimezone() throws Exception {
assumeTrue("test runs only when at least a type is registered", getCurrentTypes().length > 0);
String queryAsString = "{\n" +
" \"query_string\":{\n" +
" \"time_zone\":\"Europe/Paris\",\n" +
" \"query\":\"" + DATE_FIELD_NAME + ":[2012 TO 2014]\"\n" +
" }\n" +
"}";
QueryBuilder queryBuilder = parseQuery(queryAsString);
assertThat(queryBuilder, instanceOf(QueryStringQueryBuilder.class));
QueryStringQueryBuilder queryStringQueryBuilder = (QueryStringQueryBuilder) queryBuilder;
assertThat(queryStringQueryBuilder.timeZone(), equalTo(DateTimeZone.forID("Europe/Paris")));
String invalidQueryAsString = "{\n" +
" \"query_string\":{\n" +
" \"time_zone\":\"This timezone does not exist\",\n" +
" \"query\":\"" + DATE_FIELD_NAME + ":[2012 TO 2014]\"\n" +
" }\n" +
"}";
expectThrows(IllegalArgumentException.class, () -> parseQuery(invalidQueryAsString));
}
public void testToQueryBooleanQueryMultipleBoosts() throws Exception {
assumeTrue("test runs only when at least a type is registered", getCurrentTypes().length > 0);
int numBoosts = randomIntBetween(2, 10);
float[] boosts = new float[numBoosts + 1];
String queryStringPrefix = "";
String queryStringSuffix = "";
for (int i = 0; i < boosts.length - 1; i++) {
float boost = 2.0f / randomIntBetween(3, 20);
boosts[i] = boost;
queryStringPrefix += "(";
queryStringSuffix += ")^" + boost;
}
String queryString = queryStringPrefix + "foo bar" + queryStringSuffix;
float mainBoost = 2.0f / randomIntBetween(3, 20);
boosts[boosts.length - 1] = mainBoost;
QueryStringQueryBuilder queryStringQueryBuilder =
new QueryStringQueryBuilder(queryString).field(STRING_FIELD_NAME)
.minimumShouldMatch("2").boost(mainBoost);
Query query = queryStringQueryBuilder.toQuery(createShardContext());
for (int i = boosts.length - 1; i >= 0; i--) {
assertThat(query, instanceOf(BoostQuery.class));
BoostQuery boostQuery = (BoostQuery) query;
assertThat(boostQuery.getBoost(), equalTo(boosts[i]));
query = boostQuery.getQuery();
}
assertThat(query, instanceOf(BooleanQuery.class));
BooleanQuery booleanQuery = (BooleanQuery) query;
assertThat(booleanQuery.getMinimumNumberShouldMatch(), equalTo(2));
assertThat(booleanQuery.clauses().get(0).getOccur(), equalTo(BooleanClause.Occur.SHOULD));
assertThat(booleanQuery.clauses().get(0).getQuery(),
equalTo(new TermQuery(new Term(STRING_FIELD_NAME, "foo"))));
assertThat(booleanQuery.clauses().get(1).getOccur(), equalTo(BooleanClause.Occur.SHOULD));
assertThat(booleanQuery.clauses().get(1).getQuery(),
equalTo(new TermQuery(new Term(STRING_FIELD_NAME, "bar"))));
}
public void testToQueryPhraseQueryBoostAndSlop() throws IOException {
assumeTrue("test runs only when at least a type is registered", getCurrentTypes().length > 0);
QueryStringQueryBuilder queryStringQueryBuilder =
new QueryStringQueryBuilder("\"test phrase\"~2").field(STRING_FIELD_NAME, 5f);
Query query = queryStringQueryBuilder.toQuery(createShardContext());
assertThat(query, instanceOf(DisjunctionMaxQuery.class));
DisjunctionMaxQuery disjunctionMaxQuery = (DisjunctionMaxQuery) query;
assertThat(disjunctionMaxQuery.getDisjuncts().size(), equalTo(1));
assertThat(disjunctionMaxQuery.getDisjuncts().get(0), instanceOf(BoostQuery.class));
BoostQuery boostQuery = (BoostQuery) disjunctionMaxQuery.getDisjuncts().get(0);
assertThat(boostQuery.getBoost(), equalTo(5f));
assertThat(boostQuery.getQuery(), instanceOf(PhraseQuery.class));
PhraseQuery phraseQuery = (PhraseQuery) boostQuery.getQuery();
assertThat(phraseQuery.getSlop(), Matchers.equalTo(2));
assertThat(phraseQuery.getTerms().length, equalTo(2));
}
public void testToQuerySplitOnWhitespace() throws IOException {
assumeTrue("test runs only when at least a type is registered", getCurrentTypes().length > 0);
// splitOnWhitespace=false
{
QueryStringQueryBuilder queryBuilder =
new QueryStringQueryBuilder("foo bar")
.field(STRING_FIELD_NAME).field(STRING_FIELD_NAME_2)
.splitOnWhitespace(false);
Query query = queryBuilder.toQuery(createShardContext());
BooleanQuery bq1 =
new BooleanQuery.Builder()
.add(new BooleanClause(new TermQuery(new Term(STRING_FIELD_NAME, "foo")), BooleanClause.Occur.SHOULD))
.add(new BooleanClause(new TermQuery(new Term(STRING_FIELD_NAME, "bar")), BooleanClause.Occur.SHOULD))
.build();
List<Query> disjuncts = new ArrayList<>();
disjuncts.add(bq1);
disjuncts.add(new TermQuery(new Term(STRING_FIELD_NAME_2, "foo bar")));
DisjunctionMaxQuery expectedQuery = new DisjunctionMaxQuery(disjuncts, 0.0f);
assertThat(query, equalTo(expectedQuery));
}
{
QueryStringQueryBuilder queryBuilder =
new QueryStringQueryBuilder("mapped_string:other foo bar")
.field(STRING_FIELD_NAME).field(STRING_FIELD_NAME_2)
.splitOnWhitespace(false);
Query query = queryBuilder.toQuery(createShardContext());
BooleanQuery bq1 =
new BooleanQuery.Builder()
.add(new BooleanClause(new TermQuery(new Term(STRING_FIELD_NAME, "foo")), BooleanClause.Occur.SHOULD))
.add(new BooleanClause(new TermQuery(new Term(STRING_FIELD_NAME, "bar")), BooleanClause.Occur.SHOULD))
.build();
List<Query> disjuncts = new ArrayList<>();
disjuncts.add(bq1);
disjuncts.add(new TermQuery(new Term(STRING_FIELD_NAME_2, "foo bar")));
DisjunctionMaxQuery disjunctionMaxQuery = new DisjunctionMaxQuery(disjuncts, 0.0f);
BooleanQuery expectedQuery =
new BooleanQuery.Builder()
.add(disjunctionMaxQuery, BooleanClause.Occur.SHOULD)
.add(new TermQuery(new Term(STRING_FIELD_NAME, "other")), BooleanClause.Occur.SHOULD)
.build();
assertThat(query, equalTo(expectedQuery));
}
{
QueryStringQueryBuilder queryBuilder =
new QueryStringQueryBuilder("foo OR bar")
.field(STRING_FIELD_NAME).field(STRING_FIELD_NAME_2)
.splitOnWhitespace(false);
Query query = queryBuilder.toQuery(createShardContext());
List<Query> disjuncts1 = new ArrayList<>();
disjuncts1.add(new TermQuery(new Term(STRING_FIELD_NAME, "foo")));
disjuncts1.add(new TermQuery(new Term(STRING_FIELD_NAME_2, "foo")));
DisjunctionMaxQuery maxQuery1 = new DisjunctionMaxQuery(disjuncts1, 0.0f);
List<Query> disjuncts2 = new ArrayList<>();
disjuncts2.add(new TermQuery(new Term(STRING_FIELD_NAME, "bar")));
disjuncts2.add(new TermQuery(new Term(STRING_FIELD_NAME_2, "bar")));
DisjunctionMaxQuery maxQuery2 = new DisjunctionMaxQuery(disjuncts2, 0.0f);
BooleanQuery expectedQuery =
new BooleanQuery.Builder()
.add(new BooleanClause(maxQuery1, BooleanClause.Occur.SHOULD))
.add(new BooleanClause(maxQuery2, BooleanClause.Occur.SHOULD))
.build();
assertThat(query, equalTo(expectedQuery));
}
// split_on_whitespace=false breaks range query with simple syntax
{
// throws an exception when lenient is set to false
QueryStringQueryBuilder queryBuilder =
new QueryStringQueryBuilder(">10 foo")
.field(INT_FIELD_NAME)
.splitOnWhitespace(false);
IllegalArgumentException exc =
expectThrows(IllegalArgumentException.class, () -> queryBuilder.toQuery(createShardContext()));
assertThat(exc.getMessage(), equalTo("For input string: \"10 foo\""));
}
{
// returns an empty boolean query when lenient is set to true
QueryStringQueryBuilder queryBuilder =
new QueryStringQueryBuilder(">10 foo")
.field(INT_FIELD_NAME)
.splitOnWhitespace(false)
.lenient(true);
Query query = queryBuilder.toQuery(createShardContext());
BooleanQuery bq = new BooleanQuery.Builder().build();
assertThat(bq, equalTo(query));
}
// splitOnWhitespace=true
{
QueryStringQueryBuilder queryBuilder =
new QueryStringQueryBuilder("foo bar")
.field(STRING_FIELD_NAME).field(STRING_FIELD_NAME_2)
.splitOnWhitespace(true);
Query query = queryBuilder.toQuery(createShardContext());
List<Query> disjuncts1 = new ArrayList<>();
disjuncts1.add(new TermQuery(new Term(STRING_FIELD_NAME, "foo")));
disjuncts1.add(new TermQuery(new Term(STRING_FIELD_NAME_2, "foo")));
DisjunctionMaxQuery maxQuery1 = new DisjunctionMaxQuery(disjuncts1, 0.0f);
List<Query> disjuncts2 = new ArrayList<>();
disjuncts2.add(new TermQuery(new Term(STRING_FIELD_NAME, "bar")));
disjuncts2.add(new TermQuery(new Term(STRING_FIELD_NAME_2, "bar")));
DisjunctionMaxQuery maxQuery2 = new DisjunctionMaxQuery(disjuncts2, 0.0f);
BooleanQuery expectedQuery =
new BooleanQuery.Builder()
.add(new BooleanClause(maxQuery1, BooleanClause.Occur.SHOULD))
.add(new BooleanClause(maxQuery2, BooleanClause.Occur.SHOULD))
.build();
assertThat(query, equalTo(expectedQuery));
}
}
public void testFromJson() throws IOException {
String json =
"{\n" +
" \"query_string\" : {\n" +
" \"query\" : \"this AND that OR thus\",\n" +
" \"default_field\" : \"content\",\n" +
" \"fields\" : [ ],\n" +
" \"use_dis_max\" : true,\n" +
" \"tie_breaker\" : 0.0,\n" +
" \"default_operator\" : \"or\",\n" +
" \"auto_generate_phrase_queries\" : false,\n" +
" \"max_determined_states\" : 10000,\n" +
" \"lowercase_expanded_terms\" : true,\n" +
" \"enable_position_increment\" : true,\n" +
" \"fuzziness\" : \"AUTO\",\n" +
" \"fuzzy_prefix_length\" : 0,\n" +
" \"fuzzy_max_expansions\" : 50,\n" +
" \"phrase_slop\" : 0,\n" +
" \"locale\" : \"und\",\n" +
" \"escape\" : false,\n" +
" \"split_on_whitespace\" : true,\n" +
" \"boost\" : 1.0\n" +
" }\n" +
"}";
QueryStringQueryBuilder parsed = (QueryStringQueryBuilder) parseQuery(json);
checkGeneratedJson(json, parsed);
assertEquals(json, "this AND that OR thus", parsed.queryString());
assertEquals(json, "content", parsed.defaultField());
}
}