| /** |
| * 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. |
| */ |
| |
| using System; |
| using System.Collections.Generic; |
| using System.Text; |
| |
| using Lucene.Net.Documents; |
| using Lucene.Net.Search; |
| |
| using NUnit.Framework; |
| |
| namespace Lucene.Net.Search.Vectorhighlight |
| { |
| [TestFixture] |
| public class FieldPhraseListTest : AbstractTestCase |
| { |
| [Test] |
| public void Test1TermIndex() |
| { |
| Make1d1fIndex("a"); |
| |
| FieldQuery fq = new FieldQuery(Tq("a"), true, true); |
| FieldTermStack stack = new FieldTermStack(reader, 0, F, fq); |
| FieldPhraseList fpl = new FieldPhraseList(stack, fq); |
| Assert.AreEqual(1, fpl.phraseList.Count); |
| Assert.AreEqual("a(1.0)((0,1))", fpl.phraseList.First.Value.ToString()); |
| |
| fq = new FieldQuery(Tq("b"), true, true); |
| stack = new FieldTermStack(reader, 0, F, fq); |
| fpl = new FieldPhraseList(stack, fq); |
| Assert.AreEqual(0, fpl.phraseList.Count); |
| } |
| |
| [Test] |
| public void Test2TermsIndex() |
| { |
| 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); |
| Assert.AreEqual(2, fpl.phraseList.Count); |
| Assert.AreEqual("a(1.0)((0,1))", fpl.phraseList.First.Value.ToString()); |
| Assert.AreEqual("a(1.0)((2,3))", fpl.phraseList.First.Next.Value.ToString()); |
| } |
| |
| [Test] |
| public void Test1PhraseIndex() |
| { |
| 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); |
| Assert.AreEqual(1, fpl.phraseList.Count); |
| Assert.AreEqual("ab(1.0)((0,3))", fpl.phraseList.First.Value.ToString()); |
| |
| fq = new FieldQuery(Tq("b"), true, true); |
| stack = new FieldTermStack(reader, 0, F, fq); |
| fpl = new FieldPhraseList(stack, fq); |
| Assert.AreEqual(1, fpl.phraseList.Count); |
| Assert.AreEqual("b(1.0)((2,3))", fpl.phraseList.First.Value.ToString()); |
| } |
| |
| [Test] |
| public void Test1PhraseIndexB() |
| { |
| // 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); |
| Assert.AreEqual(1, fpl.phraseList.Count); |
| Assert.AreEqual("baac(1.0)((2,5))", fpl.phraseList.First.Value.ToString()); |
| } |
| |
| [Test] |
| public void Test2ConcatTermsIndexB() |
| { |
| // 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); |
| Assert.AreEqual(2, fpl.phraseList.Count); |
| Assert.AreEqual("ab(1.0)((0,2))", fpl.phraseList.First.Value.ToString()); |
| Assert.AreEqual("ab(1.0)((2,4))", fpl.phraseList.First.Next.Value.ToString()); |
| } |
| |
| [Test] |
| public void Test2Terms1PhraseIndex() |
| { |
| 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); |
| Assert.AreEqual(1, fpl.phraseList.Count); |
| Assert.AreEqual("ab(1.0)((4,7))", fpl.phraseList.First.Value.ToString()); |
| |
| // phraseHighlight = false |
| fq = new FieldQuery(PqF("a", "b"), false, true); |
| stack = new FieldTermStack(reader, 0, F, fq); |
| fpl = new FieldPhraseList(stack, fq); |
| Assert.AreEqual(2, fpl.phraseList.Count); |
| Assert.AreEqual("a(1.0)((2,3))", fpl.phraseList.First.Value.ToString()); |
| Assert.AreEqual("ab(1.0)((4,7))", fpl.phraseList.First.Next.Value.ToString()); |
| } |
| |
| [Test] |
| public void TestPhraseSlop() |
| { |
| 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); |
| Assert.AreEqual(1, fpl.phraseList.Count); |
| Assert.AreEqual("ac(2.0)((4,5)(8,9))", fpl.phraseList.First.Value.ToString()); |
| Assert.AreEqual(4, fpl.phraseList.First.Value.StartOffset); |
| Assert.AreEqual(9, fpl.phraseList.First.Value.EndOffset); |
| } |
| |
| [Test] |
| public void Test2PhrasesOverlap() |
| { |
| Make1d1fIndex("d a b c d"); |
| |
| BooleanQuery query = new BooleanQuery(); |
| query.Add(PqF("a", "b"), Occur.SHOULD); |
| query.Add(PqF("b", "c"), Occur.SHOULD); |
| FieldQuery fq = new FieldQuery(query, true, true); |
| FieldTermStack stack = new FieldTermStack(reader, 0, F, fq); |
| FieldPhraseList fpl = new FieldPhraseList(stack, fq); |
| Assert.AreEqual(1, fpl.phraseList.Count); |
| Assert.AreEqual("abc(1.0)((2,7))", fpl.phraseList.First.Value.ToString()); |
| } |
| |
| [Test] |
| public void Test3TermsPhrase() |
| { |
| 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); |
| Assert.AreEqual(1, fpl.phraseList.Count); |
| Assert.AreEqual("abc(1.0)((6,11))", fpl.phraseList.First.Value.ToString()); |
| } |
| |
| [Test] |
| public void TestSearchLongestPhrase() |
| { |
| Make1d1fIndex("d a b d c a b c"); |
| |
| BooleanQuery query = new BooleanQuery(); |
| query.Add(PqF("a", "b"), Occur.SHOULD); |
| query.Add(PqF("a", "b", "c"), Occur.SHOULD); |
| FieldQuery fq = new FieldQuery(query, true, true); |
| FieldTermStack stack = new FieldTermStack(reader, 0, F, fq); |
| FieldPhraseList fpl = new FieldPhraseList(stack, fq); |
| Assert.AreEqual(2, fpl.phraseList.Count); |
| Assert.AreEqual("ab(1.0)((2,5))", fpl.phraseList.First.Value.ToString()); |
| Assert.AreEqual("abc(1.0)((10,15))", fpl.phraseList.First.Next.Value.ToString()); |
| } |
| |
| [Test] |
| public void Test1PhraseShortMV() |
| { |
| MakeIndexShortMV(); |
| |
| FieldQuery fq = new FieldQuery(Tq("d"), true, true); |
| FieldTermStack stack = new FieldTermStack(reader, 0, F, fq); |
| FieldPhraseList fpl = new FieldPhraseList(stack, fq); |
| Assert.AreEqual(1, fpl.phraseList.Count); |
| Assert.AreEqual("d(1.0)((6,7))", fpl.phraseList.First.Value.ToString()); |
| } |
| |
| [Test] |
| public void Test1PhraseLongMV() |
| { |
| MakeIndexLongMV(); |
| |
| FieldQuery fq = new FieldQuery(PqF("search", "engines"), true, true); |
| FieldTermStack stack = new FieldTermStack(reader, 0, F, fq); |
| FieldPhraseList fpl = new FieldPhraseList(stack, fq); |
| Assert.AreEqual(2, fpl.phraseList.Count); |
| Assert.AreEqual("searchengines(1.0)((102,116))", fpl.phraseList.First.Value.ToString()); |
| Assert.AreEqual("searchengines(1.0)((157,171))", fpl.phraseList.First.Next.Value.ToString()); |
| } |
| |
| [Test] |
| public void Test1PhraseLongMVB() |
| { |
| 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); |
| Assert.AreEqual(1, fpl.phraseList.Count); |
| Assert.AreEqual("sppeeeed(1.0)((88,93))", fpl.phraseList.First.Value.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() ); |
| } |
| */ |
| } |
| } |