| /* |
| * 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 NUnit.Framework; |
| |
| using WhitespaceAnalyzer = Lucene.Net.Analysis.WhitespaceAnalyzer; |
| using Document = Lucene.Net.Documents.Document; |
| using Field = Lucene.Net.Documents.Field; |
| using Directory = Lucene.Net.Store.Directory; |
| using MockRAMDirectory = Lucene.Net.Store.MockRAMDirectory; |
| using RAMDirectory = Lucene.Net.Store.RAMDirectory; |
| using LuceneTestCase = Lucene.Net.Util.LuceneTestCase; |
| |
| namespace Lucene.Net.Index |
| { |
| |
| [TestFixture] |
| public class TestSegmentTermDocs:LuceneTestCase |
| { |
| private Document testDoc = new Document(); |
| private Directory dir = new RAMDirectory(); |
| private SegmentInfo info; |
| |
| public TestSegmentTermDocs(System.String s):base(s) |
| { |
| } |
| |
| public TestSegmentTermDocs() : base("") |
| { |
| } |
| |
| [SetUp] |
| public override void SetUp() |
| { |
| base.SetUp(); |
| DocHelper.SetupDoc(testDoc); |
| info = DocHelper.WriteDoc(dir, testDoc); |
| } |
| |
| [TearDown] |
| public override void TearDown() |
| { |
| testDoc = new Document(); |
| dir = new RAMDirectory(); |
| } |
| |
| [Test] |
| public virtual void Test() |
| { |
| Assert.IsTrue(dir != null); |
| } |
| |
| [Test] |
| public virtual void TestTermDocs() |
| { |
| TestTermDocs(1); |
| } |
| |
| public virtual void TestTermDocs(int indexDivisor) |
| { |
| //After adding the document, we should be able to read it back in |
| SegmentReader reader = SegmentReader.Get(true, info, indexDivisor); |
| Assert.IsTrue(reader != null); |
| Assert.AreEqual(indexDivisor, reader.TermInfosIndexDivisor); |
| SegmentTermDocs segTermDocs = new SegmentTermDocs(reader); |
| Assert.IsTrue(segTermDocs != null); |
| segTermDocs.Seek(new Term(DocHelper.TEXT_FIELD_2_KEY, "field")); |
| if (segTermDocs.Next() == true) |
| { |
| int docId = segTermDocs.Doc; |
| Assert.IsTrue(docId == 0); |
| int freq = segTermDocs.Freq; |
| Assert.IsTrue(freq == 3); |
| } |
| reader.Close(); |
| } |
| |
| [Test] |
| public virtual void TestBadSeek() |
| { |
| testBadSeek(1); |
| } |
| |
| public virtual void testBadSeek(int indexDivisor) |
| { |
| { |
| //After adding the document, we should be able to read it back in |
| SegmentReader reader = SegmentReader.Get(true, info, indexDivisor); |
| Assert.IsTrue(reader != null); |
| SegmentTermDocs segTermDocs = new SegmentTermDocs(reader); |
| Assert.IsTrue(segTermDocs != null); |
| segTermDocs.Seek(new Term("textField2", "bad")); |
| Assert.IsTrue(segTermDocs.Next() == false); |
| reader.Close(); |
| } |
| { |
| //After adding the document, we should be able to read it back in |
| SegmentReader reader = SegmentReader.Get(true, info, indexDivisor); |
| Assert.IsTrue(reader != null); |
| SegmentTermDocs segTermDocs = new SegmentTermDocs(reader); |
| Assert.IsTrue(segTermDocs != null); |
| segTermDocs.Seek(new Term("junk", "bad")); |
| Assert.IsTrue(segTermDocs.Next() == false); |
| reader.Close(); |
| } |
| } |
| |
| [Test] |
| public virtual void TestSkipTo() |
| { |
| testSkipTo(1); |
| } |
| |
| public virtual void testSkipTo(int indexDivisor) |
| { |
| Directory dir = new RAMDirectory(); |
| IndexWriter writer = new IndexWriter(dir, new WhitespaceAnalyzer(), true, IndexWriter.MaxFieldLength.LIMITED); |
| |
| Term ta = new Term("content", "aaa"); |
| for (int i = 0; i < 10; i++) |
| AddDoc(writer, "aaa aaa aaa aaa"); |
| |
| Term tb = new Term("content", "bbb"); |
| for (int i = 0; i < 16; i++) |
| AddDoc(writer, "bbb bbb bbb bbb"); |
| |
| Term tc = new Term("content", "ccc"); |
| for (int i = 0; i < 50; i++) |
| AddDoc(writer, "ccc ccc ccc ccc"); |
| |
| // assure that we deal with a single segment |
| writer.Optimize(); |
| writer.Close(); |
| |
| IndexReader reader = IndexReader.Open(dir, null, true, indexDivisor); |
| |
| TermDocs tdocs = reader.TermDocs(); |
| |
| // without optimization (assumption skipInterval == 16) |
| |
| // with next |
| tdocs.Seek(ta); |
| Assert.IsTrue(tdocs.Next()); |
| Assert.AreEqual(0, tdocs.Doc); |
| Assert.AreEqual(4, tdocs.Freq); |
| Assert.IsTrue(tdocs.Next()); |
| Assert.AreEqual(1, tdocs.Doc); |
| Assert.AreEqual(4, tdocs.Freq); |
| Assert.IsTrue(tdocs.SkipTo(0)); |
| Assert.AreEqual(2, tdocs.Doc); |
| Assert.IsTrue(tdocs.SkipTo(4)); |
| Assert.AreEqual(4, tdocs.Doc); |
| Assert.IsTrue(tdocs.SkipTo(9)); |
| Assert.AreEqual(9, tdocs.Doc); |
| Assert.IsFalse(tdocs.SkipTo(10)); |
| |
| // without next |
| tdocs.Seek(ta); |
| Assert.IsTrue(tdocs.SkipTo(0)); |
| Assert.AreEqual(0, tdocs.Doc); |
| Assert.IsTrue(tdocs.SkipTo(4)); |
| Assert.AreEqual(4, tdocs.Doc); |
| Assert.IsTrue(tdocs.SkipTo(9)); |
| Assert.AreEqual(9, tdocs.Doc); |
| Assert.IsFalse(tdocs.SkipTo(10)); |
| |
| // exactly skipInterval documents and therefore with optimization |
| |
| // with next |
| tdocs.Seek(tb); |
| Assert.IsTrue(tdocs.Next()); |
| Assert.AreEqual(10, tdocs.Doc); |
| Assert.AreEqual(4, tdocs.Freq); |
| Assert.IsTrue(tdocs.Next()); |
| Assert.AreEqual(11, tdocs.Doc); |
| Assert.AreEqual(4, tdocs.Freq); |
| Assert.IsTrue(tdocs.SkipTo(5)); |
| Assert.AreEqual(12, tdocs.Doc); |
| Assert.IsTrue(tdocs.SkipTo(15)); |
| Assert.AreEqual(15, tdocs.Doc); |
| Assert.IsTrue(tdocs.SkipTo(24)); |
| Assert.AreEqual(24, tdocs.Doc); |
| Assert.IsTrue(tdocs.SkipTo(25)); |
| Assert.AreEqual(25, tdocs.Doc); |
| Assert.IsFalse(tdocs.SkipTo(26)); |
| |
| // without next |
| tdocs.Seek(tb); |
| Assert.IsTrue(tdocs.SkipTo(5)); |
| Assert.AreEqual(10, tdocs.Doc); |
| Assert.IsTrue(tdocs.SkipTo(15)); |
| Assert.AreEqual(15, tdocs.Doc); |
| Assert.IsTrue(tdocs.SkipTo(24)); |
| Assert.AreEqual(24, tdocs.Doc); |
| Assert.IsTrue(tdocs.SkipTo(25)); |
| Assert.AreEqual(25, tdocs.Doc); |
| Assert.IsFalse(tdocs.SkipTo(26)); |
| |
| // much more than skipInterval documents and therefore with optimization |
| |
| // with next |
| tdocs.Seek(tc); |
| Assert.IsTrue(tdocs.Next()); |
| Assert.AreEqual(26, tdocs.Doc); |
| Assert.AreEqual(4, tdocs.Freq); |
| Assert.IsTrue(tdocs.Next()); |
| Assert.AreEqual(27, tdocs.Doc); |
| Assert.AreEqual(4, tdocs.Freq); |
| Assert.IsTrue(tdocs.SkipTo(5)); |
| Assert.AreEqual(28, tdocs.Doc); |
| Assert.IsTrue(tdocs.SkipTo(40)); |
| Assert.AreEqual(40, tdocs.Doc); |
| Assert.IsTrue(tdocs.SkipTo(57)); |
| Assert.AreEqual(57, tdocs.Doc); |
| Assert.IsTrue(tdocs.SkipTo(74)); |
| Assert.AreEqual(74, tdocs.Doc); |
| Assert.IsTrue(tdocs.SkipTo(75)); |
| Assert.AreEqual(75, tdocs.Doc); |
| Assert.IsFalse(tdocs.SkipTo(76)); |
| |
| //without next |
| tdocs.Seek(tc); |
| Assert.IsTrue(tdocs.SkipTo(5)); |
| Assert.AreEqual(26, tdocs.Doc); |
| Assert.IsTrue(tdocs.SkipTo(40)); |
| Assert.AreEqual(40, tdocs.Doc); |
| Assert.IsTrue(tdocs.SkipTo(57)); |
| Assert.AreEqual(57, tdocs.Doc); |
| Assert.IsTrue(tdocs.SkipTo(74)); |
| Assert.AreEqual(74, tdocs.Doc); |
| Assert.IsTrue(tdocs.SkipTo(75)); |
| Assert.AreEqual(75, tdocs.Doc); |
| Assert.IsFalse(tdocs.SkipTo(76)); |
| |
| tdocs.Close(); |
| reader.Close(); |
| dir.Close(); |
| } |
| |
| [Test] |
| public virtual void TestIndexDivisor() |
| { |
| dir = new MockRAMDirectory(); |
| testDoc = new Document(); |
| DocHelper.SetupDoc(testDoc); |
| DocHelper.WriteDoc(dir, testDoc); |
| TestTermDocs(2); |
| testBadSeek(2); |
| testSkipTo(2); |
| } |
| |
| private void AddDoc(IndexWriter writer, System.String value_Renamed) |
| { |
| Document doc = new Document(); |
| doc.Add(new Field("content", value_Renamed, Field.Store.NO, Field.Index.ANALYZED)); |
| writer.AddDocument(doc); |
| } |
| } |
| } |