--- /dev/null
+package org.apache.lucene.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.
+ */
+
+import java.io.File;
+import java.io.IOException;
+import java.io.ObjectOutput;
+import java.io.ObjectOutputStream;
+import java.io.ByteArrayOutputStream;
+
+import org.apache.lucene.util.LuceneTestCase;
+import org.apache.lucene.util._TestUtil;
+import org.apache.lucene.analysis.MockAnalyzer;
+import org.apache.lucene.analysis.WhitespaceAnalyzer;
+import org.apache.lucene.document.Document;
+import org.apache.lucene.document.Field;
+import org.apache.lucene.index.IndexReader;
+import org.apache.lucene.index.IndexWriter;
+import org.apache.lucene.index.IndexWriterConfig;
+import org.apache.lucene.index.IndexWriterConfig.OpenMode;
+import org.apache.lucene.search.IndexSearcher;
+import org.apache.lucene.util.English;
+
+/**
+ * JUnit testcase to test RAMDirectory. RAMDirectory itself is used in many testcases,
+ * but not one of them uses an different constructor other than the default constructor.
+ */
+public class TestRAMDirectory extends LuceneTestCase {
+
+ private File indexDir = null;
+
+ // add enough document so that the index will be larger than RAMDirectory.READ_BUFFER_SIZE
+ private final int docsToAdd = 500;
+
+ // setup the index
+ @Override
+ public void setUp() throws Exception {
+ super.setUp();
+ indexDir = _TestUtil.getTempDir("RAMDirIndex");
+
+ Directory dir = newFSDirectory(indexDir);
+ IndexWriter writer = new IndexWriter(dir, new IndexWriterConfig(
+ TEST_VERSION_CURRENT, new MockAnalyzer(random)).setOpenMode(OpenMode.CREATE));
+ // add some documents
+ Document doc = null;
+ for (int i = 0; i < docsToAdd; i++) {
+ doc = new Document();
+ doc.add(newField("content", English.intToEnglish(i).trim(), Field.Store.YES, Field.Index.NOT_ANALYZED));
+ writer.addDocument(doc);
+ }
+ assertEquals(docsToAdd, writer.maxDoc());
+ writer.close();
+ dir.close();
+ }
+
+ public void testRAMDirectory () throws IOException {
+
+ Directory dir = newFSDirectory(indexDir);
+ MockDirectoryWrapper ramDir = new MockDirectoryWrapper(random, new RAMDirectory(dir));
+
+ // close the underlaying directory
+ dir.close();
+
+ // Check size
+ assertEquals(ramDir.sizeInBytes(), ramDir.getRecomputedSizeInBytes());
+
+ // open reader to test document count
+ IndexReader reader = IndexReader.open(ramDir, true);
+ assertEquals(docsToAdd, reader.numDocs());
+
+ // open search zo check if all doc's are there
+ IndexSearcher searcher = newSearcher(reader);
+
+ // search for all documents
+ for (int i = 0; i < docsToAdd; i++) {
+ Document doc = searcher.doc(i);
+ assertTrue(doc.getField("content") != null);
+ }
+
+ // cleanup
+ reader.close();
+ searcher.close();
+ }
+
+ private final int numThreads = 10;
+ private final int docsPerThread = 40;
+
+ public void testRAMDirectorySize() throws IOException, InterruptedException {
+
+ Directory dir = newFSDirectory(indexDir);
+ final MockDirectoryWrapper ramDir = new MockDirectoryWrapper(random, new RAMDirectory(dir));
+ dir.close();
+
+ final IndexWriter writer = new IndexWriter(ramDir, new IndexWriterConfig(
+ TEST_VERSION_CURRENT, new MockAnalyzer(random)).setOpenMode(OpenMode.APPEND));
+ writer.optimize();
+
+ assertEquals(ramDir.sizeInBytes(), ramDir.getRecomputedSizeInBytes());
+
+ Thread[] threads = new Thread[numThreads];
+ for (int i=0; i<numThreads; i++) {
+ final int num = i;
+ threads[i] = new Thread(){
+ @Override
+ public void run() {
+ for (int j=1; j<docsPerThread; j++) {
+ Document doc = new Document();
+ doc.add(newField("sizeContent", English.intToEnglish(num*docsPerThread+j).trim(), Field.Store.YES, Field.Index.NOT_ANALYZED));
+ try {
+ writer.addDocument(doc);
+ } catch (IOException e) {
+ throw new RuntimeException(e);
+ }
+ }
+ }
+ };
+ }
+ for (int i=0; i<numThreads; i++)
+ threads[i].start();
+ for (int i=0; i<numThreads; i++)
+ threads[i].join();
+
+ writer.optimize();
+ assertEquals(ramDir.sizeInBytes(), ramDir.getRecomputedSizeInBytes());
+
+ writer.close();
+ }
+
+
+ public void testSerializable() throws IOException {
+ Directory dir = new RAMDirectory();
+ ByteArrayOutputStream bos = new ByteArrayOutputStream(1024);
+ assertEquals("initially empty", 0, bos.size());
+ ObjectOutput out = new ObjectOutputStream(bos);
+ int headerSize = bos.size();
+ out.writeObject(dir);
+ out.close();
+ assertTrue("contains more then just header", headerSize < bos.size());
+ }
+
+ @Override
+ public void tearDown() throws Exception {
+ // cleanup
+ if (indexDir != null && indexDir.exists()) {
+ rmDir (indexDir);
+ }
+ super.tearDown();
+ }
+
+ // LUCENE-1196
+ public void testIllegalEOF() throws Exception {
+ RAMDirectory dir = new RAMDirectory();
+ IndexOutput o = dir.createOutput("out");
+ byte[] b = new byte[1024];
+ o.writeBytes(b, 0, 1024);
+ o.close();
+ IndexInput i = dir.openInput("out");
+ i.seek(1024);
+ i.close();
+ dir.close();
+ }
+
+ private void rmDir(File dir) {
+ File[] files = dir.listFiles();
+ for (int i = 0; i < files.length; i++) {
+ files[i].delete();
+ }
+ dir.delete();
+ }
+
+ // LUCENE-2852
+ public void testSeekToEOFThenBack() throws Exception {
+ RAMDirectory dir = new RAMDirectory();
+
+ IndexOutput o = dir.createOutput("out");
+ byte[] bytes = new byte[3*RAMInputStream.BUFFER_SIZE];
+ o.writeBytes(bytes, 0, bytes.length);
+ o.close();
+
+ IndexInput i = dir.openInput("out");
+ i.seek(2*RAMInputStream.BUFFER_SIZE-1);
+ i.seek(3*RAMInputStream.BUFFER_SIZE);
+ i.seek(RAMInputStream.BUFFER_SIZE);
+ i.readBytes(bytes, 0, 2*RAMInputStream.BUFFER_SIZE);
+ i.close();
+ dir.close();
+ }
+}
fnp / pylucene.git / blobdiff