| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF 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.apache.lucene.monitor; |
| |
| import java.util.Arrays; |
| import java.util.Collections; |
| import java.util.HashSet; |
| import java.util.Set; |
| |
| import org.apache.lucene.index.Term; |
| import org.apache.lucene.search.BooleanClause; |
| import org.apache.lucene.search.BooleanQuery; |
| import org.apache.lucene.search.MatchAllDocsQuery; |
| import org.apache.lucene.search.Query; |
| import org.apache.lucene.util.LuceneTestCase; |
| |
| public class TestBooleanTermExtractor extends LuceneTestCase { |
| |
| private static final QueryAnalyzer treeBuilder = new QueryAnalyzer(); |
| private static final TermWeightor WEIGHTOR = TermWeightor.DEFAULT; |
| |
| private Set<Term> collectTerms(Query query) { |
| Set<Term> terms = new HashSet<>(); |
| QueryTree tree = treeBuilder.buildTree(query, TermWeightor.DEFAULT); |
| tree.collectTerms((f, b) -> terms.add(new Term(f, b))); |
| return terms; |
| } |
| |
| public void testAllDisjunctionQueriesAreIncluded() { |
| |
| Query bq = MonitorTestBase.parse("field1:term1 field1:term2"); |
| Set<Term> terms = collectTerms(bq); |
| Set<Term> expected = new HashSet<>(Arrays.asList( |
| new Term("field1", "term1"), |
| new Term("field1", "term2"))); |
| assertEquals(expected, terms); |
| |
| } |
| |
| public void testAllNestedDisjunctionClausesAreIncluded() { |
| Query q = MonitorTestBase.parse("field1:term3 (field1:term1 field1:term2)"); |
| assertEquals(3, collectTerms(q).size()); |
| } |
| |
| public void testAllDisjunctionClausesOfAConjunctionAreExtracted() { |
| Query q = MonitorTestBase.parse("+(field1:term1 field1:term2) field1:term3"); |
| assertEquals(2, collectTerms(q).size()); |
| } |
| |
| public void testConjunctionsOutweighDisjunctions() { |
| Query bq = MonitorTestBase.parse("field1:term1 +field1:term2"); |
| Set<Term> expected = Collections.singleton(new Term("field1", "term2")); |
| assertEquals(expected, collectTerms(bq)); |
| } |
| |
| public void testDisjunctionsWithPureNegativeClausesReturnANYTOKEN() { |
| Query q = MonitorTestBase.parse("+field1:term1 +(field2:term22 (-field2:notterm))"); |
| Set<Term> expected = Collections.singleton(new Term("field1", "term1")); |
| assertEquals(expected, collectTerms(q)); |
| } |
| |
| public void testDisjunctionsWithMatchAllNegativeClausesReturnANYTOKEN() { |
| Query q = MonitorTestBase.parse("+field1:term1 +(field2:term22 (*:* -field2:notterm))"); |
| Set<Term> expected = Collections.singleton(new Term("field1", "term1")); |
| assertEquals(expected, collectTerms(q)); |
| } |
| |
| public void testMatchAllDocsIsOnlyQuery() { |
| // Set up - single MatchAllDocsQuery clause in a BooleanQuery |
| Query q = MonitorTestBase.parse("+*:*"); |
| assertTrue(q instanceof BooleanQuery); |
| BooleanClause clause = ((BooleanQuery)q).iterator().next(); |
| assertTrue(clause.getQuery() instanceof MatchAllDocsQuery); |
| assertEquals(BooleanClause.Occur.MUST, clause.getOccur()); |
| |
| Set<Term> terms = collectTerms(q); |
| assertEquals(1, terms.size()); |
| Term t = terms.iterator().next(); |
| assertEquals(TermFilteredPresearcher.ANYTOKEN_FIELD, t.field()); |
| } |
| |
| public void testMatchAllDocsMustWithKeywordShould() { |
| Query q = MonitorTestBase.parse("+*:* field1:term1"); |
| // Because field1:term1 is optional, only the MatchAllDocsQuery is collected. |
| Set<Term> terms = collectTerms(q); |
| assertEquals(1, terms.size()); |
| Term t = terms.iterator().next(); |
| assertEquals(TermFilteredPresearcher.ANYTOKEN_FIELD, t.field()); |
| } |
| |
| public void testMatchAllDocsMustWithKeywordNot() throws Exception { |
| Query q = MonitorTestBase.parse("+*:* -field1:notterm"); |
| |
| // Because field1:notterm is negated, only the mandatory MatchAllDocsQuery is collected. |
| Set<Term> terms = collectTerms(q); |
| assertEquals(1, terms.size()); |
| Term t = terms.iterator().next(); |
| assertEquals(TermFilteredPresearcher.ANYTOKEN_FIELD, t.field()); |
| } |
| |
| public void testMatchAllDocsMustWithKeywordShouldAndKeywordNot() throws Exception { |
| Query q = MonitorTestBase.parse("+*:* field1:term1 -field2:notterm"); |
| |
| // Because field1:notterm is negated and field1:term1 is optional, only the mandatory MatchAllDocsQuery is collected. |
| Set<Term> terms = collectTerms(q); |
| assertEquals(1, terms.size()); |
| Term t = terms.iterator().next(); |
| assertEquals(TermFilteredPresearcher.ANYTOKEN_FIELD, t.field()); |
| } |
| |
| public void testMatchAllDocsMustAndOtherMustWithKeywordShouldAndKeywordNot() throws Exception { |
| Query q = MonitorTestBase.parse("+*:* +field9:term9 field1:term1 -field2:notterm"); |
| |
| // The queryterm collected by weight is the non-anynode, so field9:term9 shows up before MatchAllDocsQuery. |
| Set<Term> terms = collectTerms(q); |
| Set<Term> expected = Collections.singleton(new Term("field9", "term9")); |
| assertEquals(expected, terms); |
| } |
| |
| } |