| /* |
| * 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 java.io.IOException; |
| |
| 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.index.Term; |
| import org.apache.lucene.search.FuzzyQuery; |
| import org.apache.lucene.search.IndexSearcher; |
| import org.apache.lucene.search.MultiTermQuery; |
| import org.apache.lucene.search.PrefixQuery; |
| import org.apache.lucene.search.RegexpQuery; |
| import org.apache.lucene.search.WildcardQuery; |
| import org.apache.lucene.store.Directory; |
| import org.apache.lucene.util.LuceneTestCase; |
| import org.junit.Test; |
| |
| /** |
| * Tests for {@link SpanMultiTermQueryWrapper}, wrapping a few MultiTermQueries. |
| */ |
| public class TestSpanMultiTermQueryWrapper extends LuceneTestCase { |
| private Directory directory; |
| private IndexReader reader; |
| private IndexSearcher searcher; |
| |
| @Override |
| public void setUp() throws Exception { |
| super.setUp(); |
| directory = newDirectory(); |
| RandomIndexWriter iw = new RandomIndexWriter(random(), directory); |
| Document doc = new Document(); |
| Field field = newTextField("field", "", Field.Store.NO); |
| doc.add(field); |
| |
| field.setStringValue("quick brown fox"); |
| iw.addDocument(doc); |
| field.setStringValue("jumps over lazy broun dog"); |
| iw.addDocument(doc); |
| field.setStringValue("jumps over extremely very lazy broxn dog"); |
| iw.addDocument(doc); |
| reader = iw.getReader(); |
| iw.close(); |
| searcher = newSearcher(reader); |
| } |
| |
| @Override |
| public void tearDown() throws Exception { |
| reader.close(); |
| directory.close(); |
| super.tearDown(); |
| } |
| |
| public void testWildcard() throws Exception { |
| WildcardQuery wq = new WildcardQuery(new Term("field", "bro?n")); |
| SpanQuery swq = new SpanMultiTermQueryWrapper<>(wq); |
| // will only match quick brown fox |
| SpanFirstQuery sfq = new SpanFirstQuery(swq, 2); |
| assertEquals(1, searcher.count(sfq)); |
| } |
| |
| public void testPrefix() throws Exception { |
| WildcardQuery wq = new WildcardQuery(new Term("field", "extrem*")); |
| SpanQuery swq = new SpanMultiTermQueryWrapper<>(wq); |
| // will only match "jumps over extremely very lazy broxn dog" |
| SpanFirstQuery sfq = new SpanFirstQuery(swq, 3); |
| assertEquals(1, searcher.count(sfq)); |
| } |
| |
| public void testFuzzy() throws Exception { |
| FuzzyQuery fq = new FuzzyQuery(new Term("field", "broan")); |
| SpanQuery sfq = new SpanMultiTermQueryWrapper<>(fq); |
| // will not match quick brown fox |
| SpanPositionRangeQuery sprq = new SpanPositionRangeQuery(sfq, 3, 6); |
| assertEquals(2, searcher.count(sprq)); |
| } |
| |
| public void testFuzzy2() throws Exception { |
| // maximum of 1 term expansion |
| FuzzyQuery fq = new FuzzyQuery(new Term("field", "broan"), 1, 0, 1, false); |
| SpanQuery sfq = new SpanMultiTermQueryWrapper<>(fq); |
| // will only match jumps over lazy broun dog |
| SpanPositionRangeQuery sprq = new SpanPositionRangeQuery(sfq, 0, 100); |
| assertEquals(1, searcher.count(sprq)); |
| } |
| public void testNoSuchMultiTermsInNear() throws Exception { |
| //test to make sure non existent multiterms aren't throwing null pointer exceptions |
| FuzzyQuery fuzzyNoSuch = new FuzzyQuery(new Term("field", "noSuch"), 1, 0, 1, false); |
| SpanQuery spanNoSuch = new SpanMultiTermQueryWrapper<>(fuzzyNoSuch); |
| SpanQuery term = new SpanTermQuery(new Term("field", "brown")); |
| SpanQuery near = new SpanNearQuery(new SpanQuery[]{term, spanNoSuch}, 1, true); |
| assertEquals(0, searcher.count(near)); |
| //flip order |
| near = new SpanNearQuery(new SpanQuery[]{spanNoSuch, term}, 1, true); |
| assertEquals(0, searcher.count(near)); |
| |
| WildcardQuery wcNoSuch = new WildcardQuery(new Term("field", "noSuch*")); |
| SpanQuery spanWCNoSuch = new SpanMultiTermQueryWrapper<>(wcNoSuch); |
| near = new SpanNearQuery(new SpanQuery[]{term, spanWCNoSuch}, 1, true); |
| assertEquals(0, searcher.count(near)); |
| |
| RegexpQuery rgxNoSuch = new RegexpQuery(new Term("field", "noSuch")); |
| SpanQuery spanRgxNoSuch = new SpanMultiTermQueryWrapper<>(rgxNoSuch); |
| near = new SpanNearQuery(new SpanQuery[]{term, spanRgxNoSuch}, 1, true); |
| assertEquals(0, searcher.count(near)); |
| |
| PrefixQuery prfxNoSuch = new PrefixQuery(new Term("field", "noSuch")); |
| SpanQuery spanPrfxNoSuch = new SpanMultiTermQueryWrapper<>(prfxNoSuch); |
| near = new SpanNearQuery(new SpanQuery[]{term, spanPrfxNoSuch}, 1, true); |
| assertEquals(0, searcher.count(near)); |
| |
| //test single noSuch |
| near = new SpanNearQuery(new SpanQuery[]{spanPrfxNoSuch}, 1, true); |
| assertEquals(0, searcher.count(near)); |
| |
| //test double noSuch |
| near = new SpanNearQuery(new SpanQuery[]{spanPrfxNoSuch, spanPrfxNoSuch}, 1, true); |
| assertEquals(0, searcher.count(near)); |
| |
| } |
| |
| public void testNoSuchMultiTermsInNotNear() throws Exception { |
| //test to make sure non existent multiterms aren't throwing non-matching field exceptions |
| FuzzyQuery fuzzyNoSuch = new FuzzyQuery(new Term("field", "noSuch"), 1, 0, 1, false); |
| SpanQuery spanNoSuch = new SpanMultiTermQueryWrapper<>(fuzzyNoSuch); |
| SpanQuery term = new SpanTermQuery(new Term("field", "brown")); |
| SpanNotQuery notNear = new SpanNotQuery(term, spanNoSuch, 0,0); |
| assertEquals(1, searcher.count(notNear)); |
| |
| //flip |
| notNear = new SpanNotQuery(spanNoSuch, term, 0,0); |
| assertEquals(0, searcher.count(notNear)); |
| |
| //both noSuch |
| notNear = new SpanNotQuery(spanNoSuch, spanNoSuch, 0,0); |
| assertEquals(0, searcher.count(notNear)); |
| |
| WildcardQuery wcNoSuch = new WildcardQuery(new Term("field", "noSuch*")); |
| SpanQuery spanWCNoSuch = new SpanMultiTermQueryWrapper<>(wcNoSuch); |
| notNear = new SpanNotQuery(term, spanWCNoSuch, 0,0); |
| assertEquals(1, searcher.count(notNear)); |
| |
| RegexpQuery rgxNoSuch = new RegexpQuery(new Term("field", "noSuch")); |
| SpanQuery spanRgxNoSuch = new SpanMultiTermQueryWrapper<>(rgxNoSuch); |
| notNear = new SpanNotQuery(term, spanRgxNoSuch, 1, 1); |
| assertEquals(1, searcher.count(notNear)); |
| |
| PrefixQuery prfxNoSuch = new PrefixQuery(new Term("field", "noSuch")); |
| SpanQuery spanPrfxNoSuch = new SpanMultiTermQueryWrapper<>(prfxNoSuch); |
| notNear = new SpanNotQuery(term, spanPrfxNoSuch, 1, 1); |
| assertEquals(1, searcher.count(notNear)); |
| |
| } |
| |
| public void testNoSuchMultiTermsInOr() throws Exception { |
| //test to make sure non existent multiterms aren't throwing null pointer exceptions |
| FuzzyQuery fuzzyNoSuch = new FuzzyQuery(new Term("field", "noSuch"), 1, 0, 1, false); |
| SpanQuery spanNoSuch = new SpanMultiTermQueryWrapper<>(fuzzyNoSuch); |
| SpanQuery term = new SpanTermQuery(new Term("field", "brown")); |
| SpanOrQuery near = new SpanOrQuery(new SpanQuery[]{term, spanNoSuch}); |
| assertEquals(1, searcher.count(near)); |
| |
| //flip |
| near = new SpanOrQuery(new SpanQuery[]{spanNoSuch, term}); |
| assertEquals(1, searcher.count(near)); |
| |
| |
| WildcardQuery wcNoSuch = new WildcardQuery(new Term("field", "noSuch*")); |
| SpanQuery spanWCNoSuch = new SpanMultiTermQueryWrapper<>(wcNoSuch); |
| near = new SpanOrQuery(new SpanQuery[]{term, spanWCNoSuch}); |
| assertEquals(1, searcher.count(near)); |
| |
| RegexpQuery rgxNoSuch = new RegexpQuery(new Term("field", "noSuch")); |
| SpanQuery spanRgxNoSuch = new SpanMultiTermQueryWrapper<>(rgxNoSuch); |
| near = new SpanOrQuery(new SpanQuery[]{term, spanRgxNoSuch}); |
| assertEquals(1, searcher.count(near)); |
| |
| PrefixQuery prfxNoSuch = new PrefixQuery(new Term("field", "noSuch")); |
| SpanQuery spanPrfxNoSuch = new SpanMultiTermQueryWrapper<>(prfxNoSuch); |
| near = new SpanOrQuery(new SpanQuery[]{term, spanPrfxNoSuch}); |
| assertEquals(1, searcher.count(near)); |
| |
| near = new SpanOrQuery(new SpanQuery[]{spanPrfxNoSuch}); |
| assertEquals(0, searcher.count(near)); |
| |
| near = new SpanOrQuery(new SpanQuery[]{spanPrfxNoSuch, spanPrfxNoSuch}); |
| assertEquals(0, searcher.count(near)); |
| |
| } |
| |
| |
| public void testNoSuchMultiTermsInSpanFirst() throws Exception { |
| //this hasn't been a problem |
| FuzzyQuery fuzzyNoSuch = new FuzzyQuery(new Term("field", "noSuch"), 1, 0, 1, false); |
| SpanQuery spanNoSuch = new SpanMultiTermQueryWrapper<>(fuzzyNoSuch); |
| SpanQuery spanFirst = new SpanFirstQuery(spanNoSuch, 10); |
| |
| assertEquals(0, searcher.count(spanFirst)); |
| |
| WildcardQuery wcNoSuch = new WildcardQuery(new Term("field", "noSuch*")); |
| SpanQuery spanWCNoSuch = new SpanMultiTermQueryWrapper<>(wcNoSuch); |
| spanFirst = new SpanFirstQuery(spanWCNoSuch, 10); |
| assertEquals(0, searcher.count(spanFirst)); |
| |
| RegexpQuery rgxNoSuch = new RegexpQuery(new Term("field", "noSuch")); |
| SpanQuery spanRgxNoSuch = new SpanMultiTermQueryWrapper<>(rgxNoSuch); |
| spanFirst = new SpanFirstQuery(spanRgxNoSuch, 10); |
| assertEquals(0, searcher.count(spanFirst)); |
| |
| PrefixQuery prfxNoSuch = new PrefixQuery(new Term("field", "noSuch")); |
| SpanQuery spanPrfxNoSuch = new SpanMultiTermQueryWrapper<>(prfxNoSuch); |
| spanFirst = new SpanFirstQuery(spanPrfxNoSuch, 10); |
| assertEquals(0, searcher.count(spanFirst)); |
| } |
| |
| @Test |
| public void testWrappedQueryIsNotModified() { |
| final PrefixQuery pq = new PrefixQuery(new Term("field", "test")); |
| int pqHash = pq.hashCode(); |
| SpanMultiTermQueryWrapper<PrefixQuery> wrapper = new SpanMultiTermQueryWrapper<>(pq); |
| assertEquals(pqHash, pq.hashCode()); |
| wrapper.setRewriteMethod(new SpanMultiTermQueryWrapper.SpanRewriteMethod() { |
| @Override |
| public SpanQuery rewrite(IndexReader reader, MultiTermQuery query) throws IOException { |
| return null; |
| } |
| }); |
| assertEquals(pqHash, pq.hashCode()); |
| } |
| } |