| /* |
| * 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.vectorhighlight; |
| |
| import java.util.LinkedList; |
| import org.apache.lucene.search.BooleanClause.Occur; |
| import org.apache.lucene.search.BooleanQuery; |
| import org.apache.lucene.search.vectorhighlight.FieldPhraseList.WeightedPhraseInfo; |
| import org.apache.lucene.search.vectorhighlight.FieldPhraseList.WeightedPhraseInfo.Toffs; |
| import org.apache.lucene.search.vectorhighlight.FieldTermStack.TermInfo; |
| import org.apache.lucene.util.TestUtil; |
| |
| public class TestFieldPhraseList extends AbstractTestCase { |
| |
| public void test1TermIndex() throws Exception { |
| make1d1fIndex("a"); |
| |
| FieldQuery fq = new FieldQuery(tq("a"), true, true); |
| FieldTermStack stack = new FieldTermStack(reader, 0, F, fq); |
| FieldPhraseList fpl = new FieldPhraseList(stack, fq); |
| assertEquals(1, fpl.phraseList.size()); |
| assertEquals("a(1.0)((0,1))", fpl.phraseList.get(0).toString()); |
| |
| fq = new FieldQuery(tq("b"), true, true); |
| stack = new FieldTermStack(reader, 0, F, fq); |
| fpl = new FieldPhraseList(stack, fq); |
| assertEquals(0, fpl.phraseList.size()); |
| } |
| |
| public void test2TermsIndex() throws Exception { |
| make1d1fIndex("a a"); |
| |
| FieldQuery fq = new FieldQuery(tq("a"), true, true); |
| FieldTermStack stack = new FieldTermStack(reader, 0, F, fq); |
| FieldPhraseList fpl = new FieldPhraseList(stack, fq); |
| assertEquals(2, fpl.phraseList.size()); |
| assertEquals("a(1.0)((0,1))", fpl.phraseList.get(0).toString()); |
| assertEquals("a(1.0)((2,3))", fpl.phraseList.get(1).toString()); |
| } |
| |
| public void test1PhraseIndex() throws Exception { |
| make1d1fIndex("a b"); |
| |
| FieldQuery fq = new FieldQuery(pqF("a", "b"), true, true); |
| FieldTermStack stack = new FieldTermStack(reader, 0, F, fq); |
| FieldPhraseList fpl = new FieldPhraseList(stack, fq); |
| assertEquals(1, fpl.phraseList.size()); |
| assertEquals("ab(1.0)((0,3))", fpl.phraseList.get(0).toString()); |
| |
| fq = new FieldQuery(tq("b"), true, true); |
| stack = new FieldTermStack(reader, 0, F, fq); |
| fpl = new FieldPhraseList(stack, fq); |
| assertEquals(1, fpl.phraseList.size()); |
| assertEquals("b(1.0)((2,3))", fpl.phraseList.get(0).toString()); |
| } |
| |
| public void test1PhraseIndexB() throws Exception { |
| // 01 12 23 34 45 56 67 78 (offsets) |
| // bb|bb|ba|ac|cb|ba|ab|bc |
| // 0 1 2 3 4 5 6 7 (positions) |
| make1d1fIndexB("bbbacbabc"); |
| |
| FieldQuery fq = new FieldQuery(pqF("ba", "ac"), true, true); |
| FieldTermStack stack = new FieldTermStack(reader, 0, F, fq); |
| FieldPhraseList fpl = new FieldPhraseList(stack, fq); |
| assertEquals(1, fpl.phraseList.size()); |
| assertEquals("baac(1.0)((2,5))", fpl.phraseList.get(0).toString()); |
| } |
| |
| public void test2ConcatTermsIndexB() throws Exception { |
| // 01 12 23 (offsets) |
| // ab|ba|ab |
| // 0 1 2 (positions) |
| make1d1fIndexB("abab"); |
| |
| FieldQuery fq = new FieldQuery(tq("ab"), true, true); |
| FieldTermStack stack = new FieldTermStack(reader, 0, F, fq); |
| FieldPhraseList fpl = new FieldPhraseList(stack, fq); |
| assertEquals(2, fpl.phraseList.size()); |
| assertEquals("ab(1.0)((0,2))", fpl.phraseList.get(0).toString()); |
| assertEquals("ab(1.0)((2,4))", fpl.phraseList.get(1).toString()); |
| } |
| |
| public void test2Terms1PhraseIndex() throws Exception { |
| make1d1fIndex("c a a b"); |
| |
| // phraseHighlight = true |
| FieldQuery fq = new FieldQuery(pqF("a", "b"), true, true); |
| FieldTermStack stack = new FieldTermStack(reader, 0, F, fq); |
| FieldPhraseList fpl = new FieldPhraseList(stack, fq); |
| assertEquals(1, fpl.phraseList.size()); |
| assertEquals("ab(1.0)((4,7))", fpl.phraseList.get(0).toString()); |
| |
| // phraseHighlight = false |
| fq = new FieldQuery(pqF("a", "b"), false, true); |
| stack = new FieldTermStack(reader, 0, F, fq); |
| fpl = new FieldPhraseList(stack, fq); |
| assertEquals(2, fpl.phraseList.size()); |
| assertEquals("a(1.0)((2,3))", fpl.phraseList.get(0).toString()); |
| assertEquals("ab(1.0)((4,7))", fpl.phraseList.get(1).toString()); |
| } |
| |
| public void testPhraseSlop() throws Exception { |
| make1d1fIndex("c a a b c"); |
| |
| FieldQuery fq = new FieldQuery(pqF(2F, 1, "a", "c"), true, true); |
| FieldTermStack stack = new FieldTermStack(reader, 0, F, fq); |
| FieldPhraseList fpl = new FieldPhraseList(stack, fq); |
| assertEquals(1, fpl.phraseList.size()); |
| assertEquals("ac(2.0)((4,5)(8,9))", fpl.phraseList.get(0).toString()); |
| assertEquals(4, fpl.phraseList.get(0).getStartOffset()); |
| assertEquals(9, fpl.phraseList.get(0).getEndOffset()); |
| } |
| |
| public void test2PhrasesOverlap() throws Exception { |
| make1d1fIndex("d a b c d"); |
| |
| BooleanQuery.Builder query = new BooleanQuery.Builder(); |
| query.add(pqF("a", "b"), Occur.SHOULD); |
| query.add(pqF("b", "c"), Occur.SHOULD); |
| FieldQuery fq = new FieldQuery(query.build(), true, true); |
| FieldTermStack stack = new FieldTermStack(reader, 0, F, fq); |
| FieldPhraseList fpl = new FieldPhraseList(stack, fq); |
| assertEquals(1, fpl.phraseList.size()); |
| assertEquals("abc(1.0)((2,7))", fpl.phraseList.get(0).toString()); |
| } |
| |
| public void test3TermsPhrase() throws Exception { |
| make1d1fIndex("d a b a b c d"); |
| |
| FieldQuery fq = new FieldQuery(pqF("a", "b", "c"), true, true); |
| FieldTermStack stack = new FieldTermStack(reader, 0, F, fq); |
| FieldPhraseList fpl = new FieldPhraseList(stack, fq); |
| assertEquals(1, fpl.phraseList.size()); |
| assertEquals("abc(1.0)((6,11))", fpl.phraseList.get(0).toString()); |
| } |
| |
| public void testSearchLongestPhrase() throws Exception { |
| make1d1fIndex("d a b d c a b c"); |
| |
| BooleanQuery.Builder query = new BooleanQuery.Builder(); |
| query.add(pqF("a", "b"), Occur.SHOULD); |
| query.add(pqF("a", "b", "c"), Occur.SHOULD); |
| FieldQuery fq = new FieldQuery(query.build(), true, true); |
| FieldTermStack stack = new FieldTermStack(reader, 0, F, fq); |
| FieldPhraseList fpl = new FieldPhraseList(stack, fq); |
| assertEquals(2, fpl.phraseList.size()); |
| assertEquals("ab(1.0)((2,5))", fpl.phraseList.get(0).toString()); |
| assertEquals("abc(1.0)((10,15))", fpl.phraseList.get(1).toString()); |
| } |
| |
| public void test1PhraseShortMV() throws Exception { |
| makeIndexShortMV(); |
| |
| FieldQuery fq = new FieldQuery(tq("d"), true, true); |
| FieldTermStack stack = new FieldTermStack(reader, 0, F, fq); |
| FieldPhraseList fpl = new FieldPhraseList(stack, fq); |
| assertEquals(1, fpl.phraseList.size()); |
| assertEquals("d(1.0)((9,10))", fpl.phraseList.get(0).toString()); |
| } |
| |
| public void test1PhraseLongMV() throws Exception { |
| makeIndexLongMV(); |
| |
| FieldQuery fq = new FieldQuery(pqF("search", "engines"), true, true); |
| FieldTermStack stack = new FieldTermStack(reader, 0, F, fq); |
| FieldPhraseList fpl = new FieldPhraseList(stack, fq); |
| assertEquals(2, fpl.phraseList.size()); |
| assertEquals("searchengines(1.0)((102,116))", fpl.phraseList.get(0).toString()); |
| assertEquals("searchengines(1.0)((157,171))", fpl.phraseList.get(1).toString()); |
| } |
| |
| public void test1PhraseLongMVB() throws Exception { |
| makeIndexLongMVB(); |
| |
| FieldQuery fq = |
| new FieldQuery( |
| pqF("sp", "pe", "ee", "ed"), true, true); // "speed" -(2gram)-> "sp","pe","ee","ed" |
| FieldTermStack stack = new FieldTermStack(reader, 0, F, fq); |
| FieldPhraseList fpl = new FieldPhraseList(stack, fq); |
| assertEquals(1, fpl.phraseList.size()); |
| assertEquals("sppeeeed(1.0)((88,93))", fpl.phraseList.get(0).toString()); |
| } |
| |
| /* This test shows a big speedup from limiting the number of analyzed phrases in |
| * this bad case for FieldPhraseList */ |
| /* But it is not reliable as a unit test since it is timing-dependent |
| public void testManyRepeatedTerms() throws Exception { |
| long t = System.currentTimeMillis(); |
| testManyTermsWithLimit (-1); |
| long t1 = System.currentTimeMillis(); |
| testManyTermsWithLimit (1); |
| long t2 = System.currentTimeMillis(); |
| assertTrue (t2-t1 * 1000 < t1-t); |
| } |
| private void testManyTermsWithLimit (int limit) throws Exception { |
| StringBuilder buf = new StringBuilder (); |
| for (int i = 0; i < 16000; i++) { |
| buf.append("a b c "); |
| } |
| make1d1fIndex( buf.toString()); |
| |
| Query query = tq("a"); |
| FieldQuery fq = new FieldQuery( query, true, true ); |
| FieldTermStack stack = new FieldTermStack( reader, 0, F, fq ); |
| FieldPhraseList fpl = new FieldPhraseList( stack, fq, limit); |
| if (limit < 0 || limit > 16000) |
| assertEquals( 16000, fpl.phraseList.size() ); |
| else |
| assertEquals( limit, fpl.phraseList.size() ); |
| assertEquals( "a(1.0)((0,1))", fpl.phraseList.get( 0 ).toString() ); |
| } |
| */ |
| |
| public void testWeightedPhraseInfoComparisonConsistency() { |
| WeightedPhraseInfo a = newInfo(0, 0, 1); |
| WeightedPhraseInfo b = newInfo(1, 2, 1); |
| WeightedPhraseInfo c = newInfo(2, 3, 1); |
| WeightedPhraseInfo d = newInfo(0, 0, 1); |
| WeightedPhraseInfo e = newInfo(0, 0, 2); |
| |
| assertConsistentEquals(a, a); |
| assertConsistentEquals(b, b); |
| assertConsistentEquals(c, c); |
| assertConsistentEquals(d, d); |
| assertConsistentEquals(e, e); |
| assertConsistentEquals(a, d); |
| assertConsistentLessThan(a, b); |
| assertConsistentLessThan(b, c); |
| assertConsistentLessThan(a, c); |
| assertConsistentLessThan(a, e); |
| assertConsistentLessThan(e, b); |
| assertConsistentLessThan(e, c); |
| assertConsistentLessThan(d, b); |
| assertConsistentLessThan(d, c); |
| assertConsistentLessThan(d, e); |
| } |
| |
| public void testToffsComparisonConsistency() { |
| Toffs a = new Toffs(0, 0); |
| Toffs b = new Toffs(1, 2); |
| Toffs c = new Toffs(2, 3); |
| Toffs d = new Toffs(0, 0); |
| |
| assertConsistentEquals(a, a); |
| assertConsistentEquals(b, b); |
| assertConsistentEquals(c, c); |
| assertConsistentEquals(d, d); |
| assertConsistentEquals(a, d); |
| assertConsistentLessThan(a, b); |
| assertConsistentLessThan(b, c); |
| assertConsistentLessThan(a, c); |
| assertConsistentLessThan(d, b); |
| assertConsistentLessThan(d, c); |
| } |
| |
| private WeightedPhraseInfo newInfo(int startOffset, int endOffset, float boost) { |
| LinkedList<TermInfo> infos = new LinkedList<>(); |
| infos.add(new TermInfo(TestUtil.randomUnicodeString(random()), startOffset, endOffset, 0, 0)); |
| return new WeightedPhraseInfo(infos, boost); |
| } |
| |
| private <T extends Comparable<T>> void assertConsistentEquals(T a, T b) { |
| assertEquals(a, b); |
| assertEquals(b, a); |
| assertEquals(a.hashCode(), b.hashCode()); |
| assertEquals(0, a.compareTo(b)); |
| assertEquals(0, b.compareTo(a)); |
| } |
| |
| private <T extends Comparable<T>> void assertConsistentLessThan(T a, T b) { |
| assertFalse(a.equals(b)); |
| assertFalse(b.equals(a)); |
| assertFalse(a.hashCode() == b.hashCode()); |
| assertTrue(a.compareTo(b) < 0); |
| assertTrue(b.compareTo(a) > 0); |
| } |
| } |