| /* |
| * 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.search.spans; |
| |
| |
| import org.apache.lucene.analysis.MockAnalyzer; |
| import org.apache.lucene.document.Document; |
| import org.apache.lucene.document.Field; |
| import org.apache.lucene.index.IndexReader; |
| import org.apache.lucene.index.RandomIndexWriter; |
| import org.apache.lucene.search.CheckHits; |
| import org.apache.lucene.search.IndexSearcher; |
| import org.apache.lucene.search.Query; |
| import org.apache.lucene.search.ScoreMode; |
| import org.apache.lucene.store.Directory; |
| import org.apache.lucene.util.LuceneTestCase; |
| |
| import static org.apache.lucene.search.spans.SpanTestUtil.*; |
| |
| public class TestSpanContainQuery extends LuceneTestCase { |
| IndexSearcher searcher; |
| IndexReader reader; |
| Directory directory; |
| |
| static final String field = "field"; |
| |
| @Override |
| public void setUp() throws Exception { |
| super.setUp(); |
| directory = newDirectory(); |
| RandomIndexWriter writer= new RandomIndexWriter(random(), directory, newIndexWriterConfig(new MockAnalyzer(random())).setMergePolicy(newLogMergePolicy())); |
| for (int i = 0; i < docFields.length; i++) { |
| Document doc = new Document(); |
| doc.add(newTextField(field, docFields[i], Field.Store.YES)); |
| writer.addDocument(doc); |
| } |
| writer.forceMerge(1); |
| reader = writer.getReader(); |
| writer.close(); |
| searcher = newSearcher(getOnlyLeafReader(reader)); |
| } |
| |
| @Override |
| public void tearDown() throws Exception { |
| reader.close(); |
| directory.close(); |
| super.tearDown(); |
| } |
| |
| String[] docFields = { |
| "w1 w2 w3 w4 w5", |
| "w1 w3 w2 w3", |
| "w1 xx w2 yy w3", |
| "w1 w3 xx w2 yy w3", |
| }; |
| |
| void checkHits(Query query, int[] results) throws Exception { |
| CheckHits.checkHits(random(), query, field, searcher, results); |
| } |
| |
| Spans makeSpans(SpanQuery sq) throws Exception { |
| return sq.createWeight(searcher, ScoreMode.COMPLETE_NO_SCORES, 1f).getSpans(searcher.getIndexReader().leaves().get(0), SpanWeight.Postings.POSITIONS); |
| } |
| |
| void tstEqualSpans(String mes, SpanQuery expectedQ, SpanQuery actualQ) throws Exception { |
| Spans expected = makeSpans(expectedQ); |
| Spans actual = makeSpans(actualQ); |
| tstEqualSpans(mes, expected, actual); |
| } |
| |
| void tstEqualSpans(String mes, Spans expected, Spans actual) throws Exception { |
| while (expected.nextDoc() != Spans.NO_MORE_DOCS) { |
| assertEquals(expected.docID(), actual.nextDoc()); |
| assertEquals(expected.docID(), actual.docID()); |
| while (expected.nextStartPosition() != Spans.NO_MORE_POSITIONS) { |
| assertEquals(expected.startPosition(), actual.nextStartPosition()); |
| assertEquals("start", expected.startPosition(), actual.startPosition()); |
| assertEquals("end", expected.endPosition(), actual.endPosition()); |
| } |
| } |
| } |
| |
| public void testSpanContainTerm() throws Exception { |
| SpanQuery stq = spanTermQuery(field, "w3"); |
| SpanQuery containingQ = spanContainingQuery(stq, stq); |
| SpanQuery containedQ = spanWithinQuery(stq, stq); |
| tstEqualSpans("containing", stq, containingQ); |
| tstEqualSpans("containing", stq, containedQ); |
| } |
| |
| public void testSpanContainPhraseBothWords() throws Exception { |
| String w2 = "w2"; |
| String w3 = "w3"; |
| SpanQuery phraseQ = spanNearOrderedQuery(field, 0, w2, w3); |
| SpanQuery w23 = spanOrQuery(field, w2, w3); |
| SpanQuery containingPhraseOr = spanContainingQuery(phraseQ, w23); |
| SpanQuery containedPhraseOr = spanWithinQuery(phraseQ, w23); |
| tstEqualSpans("containing phrase or", phraseQ, containingPhraseOr); |
| Spans spans = makeSpans(containedPhraseOr); |
| assertNext(spans,0,1,2); |
| assertNext(spans,0,2,3); |
| assertNext(spans,1,2,3); |
| assertNext(spans,1,3,4); |
| assertFinished(spans); |
| } |
| |
| public void testSpanContainPhraseFirstWord() throws Exception { |
| String w2 = "w2"; |
| String w3 = "w3"; |
| SpanQuery stqw2 = spanTermQuery(field, w2); |
| SpanQuery phraseQ = spanNearOrderedQuery(field, 0, w2, w3); |
| SpanQuery containingPhraseW2 = spanContainingQuery(phraseQ, stqw2); |
| SpanQuery containedPhraseW2 = spanWithinQuery(phraseQ, stqw2); |
| tstEqualSpans("containing phrase w2", phraseQ, containingPhraseW2); |
| Spans spans = makeSpans(containedPhraseW2); |
| assertNext(spans,0,1,2); |
| assertNext(spans,1,2,3); |
| assertFinished(spans); |
| } |
| |
| public void testSpanContainPhraseSecondWord() throws Exception { |
| String w2 = "w2"; |
| String w3 = "w3"; |
| SpanQuery stqw3 = spanTermQuery(field, w3); |
| SpanQuery phraseQ = spanNearOrderedQuery(field, 0, w2, w3); |
| SpanQuery containingPhraseW3 = spanContainingQuery(phraseQ, stqw3); |
| SpanQuery containedPhraseW3 = spanWithinQuery(phraseQ, stqw3); |
| tstEqualSpans("containing phrase w3", phraseQ, containingPhraseW3); |
| Spans spans = makeSpans(containedPhraseW3); |
| assertNext(spans,0,2,3); |
| assertNext(spans,1,3,4); |
| assertFinished(spans); |
| } |
| |
| } |