| using Lucene.Net.Support; |
| using NUnit.Framework; |
| using System; |
| using System.Collections.Generic; |
| using System.IO; |
| using Console = Lucene.Net.Support.SystemConsole; |
| |
| namespace Lucene.Net.Store |
| { |
| /* |
| * 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 Analyzer = Lucene.Net.Analysis.Analyzer; |
| using BytesRef = Lucene.Net.Util.BytesRef; |
| using DirectoryReader = Lucene.Net.Index.DirectoryReader; |
| using Document = Documents.Document; |
| using IndexSearcher = Lucene.Net.Search.IndexSearcher; |
| using IndexWriter = Lucene.Net.Index.IndexWriter; |
| using IndexWriterConfig = Lucene.Net.Index.IndexWriterConfig; |
| using LineFileDocs = Lucene.Net.Util.LineFileDocs; |
| using LuceneTestCase = Lucene.Net.Util.LuceneTestCase; |
| using MockAnalyzer = Lucene.Net.Analysis.MockAnalyzer; |
| using RandomIndexWriter = Lucene.Net.Index.RandomIndexWriter; |
| using Term = Lucene.Net.Index.Term; |
| using TermQuery = Lucene.Net.Search.TermQuery; |
| using TestUtil = Lucene.Net.Util.TestUtil; |
| using TopDocs = Lucene.Net.Search.TopDocs; |
| |
| [TestFixture] |
| public class TestNRTCachingDirectory : LuceneTestCase |
| { |
| [Test] |
| public virtual void TestNRTAndCommit() |
| { |
| Directory dir = NewDirectory(); |
| NRTCachingDirectory cachedDir = new NRTCachingDirectory(dir, 2.0, 25.0); |
| MockAnalyzer analyzer = new MockAnalyzer(Random); |
| analyzer.MaxTokenLength = TestUtil.NextInt32(Random, 1, IndexWriter.MAX_TERM_LENGTH); |
| IndexWriterConfig conf = NewIndexWriterConfig(TEST_VERSION_CURRENT, analyzer); |
| RandomIndexWriter w = new RandomIndexWriter(Random, cachedDir, conf); |
| LineFileDocs docs = new LineFileDocs(Random, DefaultCodecSupportsDocValues); |
| int numDocs = TestUtil.NextInt32(Random, 100, 400); |
| |
| if (VERBOSE) |
| { |
| Console.WriteLine("TEST: numDocs=" + numDocs); |
| } |
| |
| IList<BytesRef> ids = new List<BytesRef>(); |
| DirectoryReader r = null; |
| for (int docCount = 0; docCount < numDocs; docCount++) |
| { |
| Document doc = docs.NextDoc(); |
| ids.Add(new BytesRef(doc.Get("docid"))); |
| w.AddDocument(doc); |
| if (Random.Next(20) == 17) |
| { |
| if (r == null) |
| { |
| r = DirectoryReader.Open(w.IndexWriter, false); |
| } |
| else |
| { |
| DirectoryReader r2 = DirectoryReader.OpenIfChanged(r); |
| if (r2 != null) |
| { |
| r.Dispose(); |
| r = r2; |
| } |
| } |
| Assert.AreEqual(1 + docCount, r.NumDocs); |
| IndexSearcher s = NewSearcher(r); |
| // Just make sure search can run; we can't assert |
| // totHits since it could be 0 |
| TopDocs hits = s.Search(new TermQuery(new Term("body", "the")), 10); |
| // System.out.println("tot hits " + hits.totalHits); |
| } |
| } |
| |
| if (r != null) |
| { |
| r.Dispose(); |
| } |
| |
| // Close should force cache to clear since all files are sync'd |
| w.Dispose(); |
| |
| string[] cachedFiles = cachedDir.ListCachedFiles(); |
| foreach (string file in cachedFiles) |
| { |
| Console.WriteLine("FAIL: cached file " + file + " remains after sync"); |
| } |
| Assert.AreEqual(0, cachedFiles.Length); |
| |
| r = DirectoryReader.Open(dir); |
| foreach (BytesRef id in ids) |
| { |
| Assert.AreEqual(1, r.DocFreq(new Term("docid", id))); |
| } |
| r.Dispose(); |
| cachedDir.Dispose(); |
| docs.Dispose(); |
| } |
| |
| // NOTE: not a test; just here to make sure the code frag |
| // in the javadocs is correct! |
| public virtual void VerifyCompiles() |
| { |
| Analyzer analyzer = null; |
| |
| Directory fsDir = FSDirectory.Open(new DirectoryInfo("/path/to/index")); |
| NRTCachingDirectory cachedFSDir = new NRTCachingDirectory(fsDir, 2.0, 25.0); |
| IndexWriterConfig conf = new IndexWriterConfig(TEST_VERSION_CURRENT, analyzer); |
| IndexWriter writer = new IndexWriter(cachedFSDir, conf); |
| } |
| |
| [Test] |
| public virtual void TestDeleteFile() |
| { |
| Directory dir = new NRTCachingDirectory(NewDirectory(), 2.0, 25.0); |
| dir.CreateOutput("foo.txt", IOContext.DEFAULT).Dispose(); |
| dir.DeleteFile("foo.txt"); |
| Assert.AreEqual(0, dir.ListAll().Length); |
| dir.Dispose(); |
| } |
| |
| // LUCENE-3382 -- make sure we get exception if the directory really does not exist. |
| [Test] |
| public virtual void TestNoDir() |
| { |
| var tempDir = CreateTempDir("doesnotexist").FullName; |
| System.IO.Directory.Delete(tempDir, true); |
| using (Directory dir = new NRTCachingDirectory(NewFSDirectory(new DirectoryInfo(tempDir)), 2.0, 25.0)) |
| { |
| try |
| { |
| Assert.False(System.IO.Directory.Exists(tempDir)); |
| DirectoryReader.Open(dir); |
| Assert.Fail("did not hit expected exception"); |
| } |
| catch (DirectoryNotFoundException) |
| { |
| // expected |
| } |
| } |
| } |
| |
| private static bool ContainsFile(Directory directory, string file) // LUCENENET specific method to prevent having to use Arrays.AsList(), which creates unnecessary memory allocations |
| { |
| return Array.IndexOf(directory.ListAll(), file) > -1; |
| } |
| |
| // LUCENE-3382 test that we can add a file, and then when we call list() we get it back |
| [Test] |
| public virtual void TestDirectoryFilter() |
| { |
| Directory dir = new NRTCachingDirectory(NewFSDirectory(CreateTempDir("foo")), 2.0, 25.0); |
| string name = "file"; |
| try |
| { |
| dir.CreateOutput(name, NewIOContext(Random)).Dispose(); |
| Assert.IsTrue(SlowFileExists(dir, name)); |
| Assert.IsTrue(ContainsFile(dir, name)); |
| } |
| finally |
| { |
| dir.Dispose(); |
| } |
| } |
| |
| // LUCENE-3382 test that delegate compound files correctly. |
| [Test] |
| public virtual void TestCompoundFileAppendTwice() |
| { |
| Directory newDir = new NRTCachingDirectory(NewDirectory(), 2.0, 25.0); |
| CompoundFileDirectory csw = new CompoundFileDirectory(newDir, "d.cfs", NewIOContext(Random), true); |
| CreateSequenceFile(newDir, "d1", (sbyte)0, 15); |
| IndexOutput @out = csw.CreateOutput("d.xyz", NewIOContext(Random)); |
| @out.WriteInt32(0); |
| @out.Dispose(); |
| Assert.AreEqual(1, csw.ListAll().Length); |
| Assert.AreEqual("d.xyz", csw.ListAll()[0]); |
| |
| csw.Dispose(); |
| |
| CompoundFileDirectory cfr = new CompoundFileDirectory(newDir, "d.cfs", NewIOContext(Random), false); |
| Assert.AreEqual(1, cfr.ListAll().Length); |
| Assert.AreEqual("d.xyz", cfr.ListAll()[0]); |
| cfr.Dispose(); |
| newDir.Dispose(); |
| } |
| |
| /// <summary> |
| /// Creates a file of the specified size with sequential data. The first |
| /// byte is written as the start byte provided. All subsequent bytes are |
| /// computed as start + offset where offset is the number of the byte. |
| /// </summary> |
| private void CreateSequenceFile(Directory dir, string name, sbyte start, int size) |
| { |
| IndexOutput os = dir.CreateOutput(name, NewIOContext(Random)); |
| for (int i = 0; i < size; i++) |
| { |
| os.WriteByte((byte)start); |
| start++; |
| } |
| os.Dispose(); |
| } |
| } |
| } |