X-Git-Url: https://git.mdrn.pl/pylucene.git/blobdiff_plain/a2e61f0c04805cfcb8706176758d1283c7e3a55c..aaeed5504b982cf3545252ab528713250aa33eed:/lucene-java-3.5.0/lucene/backwards/src/test/org/apache/lucene/store/TestRAMDirectory.java

diff --git a/lucene-java-3.5.0/lucene/backwards/src/test/org/apache/lucene/store/TestRAMDirectory.java b/lucene-java-3.5.0/lucene/backwards/src/test/org/apache/lucene/store/TestRAMDirectory.java
new file mode 100644
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+++ b/lucene-java-3.5.0/lucene/backwards/src/test/org/apache/lucene/store/TestRAMDirectory.java
@@ -0,0 +1,203 @@
+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();
+  }
+}