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/index/TestCrash.java

diff --git a/lucene-java-3.5.0/lucene/backwards/src/test/org/apache/lucene/index/TestCrash.java b/lucene-java-3.5.0/lucene/backwards/src/test/org/apache/lucene/index/TestCrash.java
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+++ b/lucene-java-3.5.0/lucene/backwards/src/test/org/apache/lucene/index/TestCrash.java
@@ -0,0 +1,209 @@
+package org.apache.lucene.index;
+
+/**
+ * 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.IOException;
+import java.util.Random;
+
+import org.apache.lucene.util.LuceneTestCase;
+import org.apache.lucene.store.Directory;
+import org.apache.lucene.store.MockDirectoryWrapper;
+import org.apache.lucene.store.NoLockFactory;
+import org.apache.lucene.analysis.MockAnalyzer;
+import org.apache.lucene.document.Document;
+import org.apache.lucene.document.Field;
+
+public class TestCrash extends LuceneTestCase {
+
+  private IndexWriter initIndex(Random random, boolean initialCommit) throws IOException {
+    return initIndex(random, newDirectory(), initialCommit);
+  }
+
+  private IndexWriter initIndex(Random random, MockDirectoryWrapper dir, boolean initialCommit) throws IOException {
+    dir.setLockFactory(NoLockFactory.getNoLockFactory());
+
+    IndexWriter writer = new IndexWriter(dir, newIndexWriterConfig(
+        TEST_VERSION_CURRENT, new MockAnalyzer(random)).setMaxBufferedDocs(10)
+        .setMergeScheduler(new ConcurrentMergeScheduler())
+        .setMergePolicy(newLogMergePolicy()));
+    ((ConcurrentMergeScheduler) writer.getConfig().getMergeScheduler()).setSuppressExceptions();
+    if (initialCommit) {
+      writer.commit();
+    }
+    
+    Document doc = new Document();
+    doc.add(newField("content", "aaa", Field.Store.YES, Field.Index.ANALYZED));
+    doc.add(newField("id", "0", Field.Store.YES, Field.Index.ANALYZED));
+    for(int i=0;i<157;i++)
+      writer.addDocument(doc);
+
+    return writer;
+  }
+
+  private void crash(final IndexWriter writer) throws IOException {
+    final MockDirectoryWrapper dir = (MockDirectoryWrapper) writer.getDirectory();
+    ConcurrentMergeScheduler cms = (ConcurrentMergeScheduler) writer.getConfig().getMergeScheduler();
+    cms.sync();
+    dir.crash();
+    cms.sync();
+    dir.clearCrash();
+  }
+
+  public void testCrashWhileIndexing() throws IOException {
+    // This test relies on being able to open a reader before any commit
+    // happened, so we must create an initial commit just to allow that, but
+    // before any documents were added.
+    IndexWriter writer = initIndex(random, true);
+    Directory dir = writer.getDirectory();
+    crash(writer);
+    IndexReader reader = IndexReader.open(dir, false);
+    assertTrue(reader.numDocs() < 157);
+    reader.close();
+    dir.close();
+  }
+
+  public void testWriterAfterCrash() throws IOException {
+    // This test relies on being able to open a reader before any commit
+    // happened, so we must create an initial commit just to allow that, but
+    // before any documents were added.
+    IndexWriter writer = initIndex(random, true);
+    MockDirectoryWrapper dir = (MockDirectoryWrapper) writer.getDirectory();
+    dir.setPreventDoubleWrite(false);
+    crash(writer);
+    writer = initIndex(random, dir, false);
+    writer.close();
+
+    IndexReader reader = IndexReader.open(dir, false);
+    assertTrue(reader.numDocs() < 314);
+    reader.close();
+    dir.close();
+  }
+
+  public void testCrashAfterReopen() throws IOException {
+    IndexWriter writer = initIndex(random, false);
+    MockDirectoryWrapper dir = (MockDirectoryWrapper) writer.getDirectory();
+    writer.close();
+    writer = initIndex(random, dir, false);
+    assertEquals(314, writer.maxDoc());
+    crash(writer);
+
+    /*
+    System.out.println("\n\nTEST: open reader");
+    String[] l = dir.list();
+    Arrays.sort(l);
+    for(int i=0;i<l.length;i++)
+      System.out.println("file " + i + " = " + l[i] + " " +
+    dir.fileLength(l[i]) + " bytes");
+    */
+
+    IndexReader reader = IndexReader.open(dir, false);
+    assertTrue(reader.numDocs() >= 157);
+    reader.close();
+    dir.close();
+  }
+
+  public void testCrashAfterClose() throws IOException {
+    
+    IndexWriter writer = initIndex(random, false);
+    MockDirectoryWrapper dir = (MockDirectoryWrapper) writer.getDirectory();
+
+    writer.close();
+    dir.crash();
+
+    /*
+    String[] l = dir.list();
+    Arrays.sort(l);
+    for(int i=0;i<l.length;i++)
+      System.out.println("file " + i + " = " + l[i] + " " + dir.fileLength(l[i]) + " bytes");
+    */
+
+    IndexReader reader = IndexReader.open(dir, false);
+    assertEquals(157, reader.numDocs());
+    reader.close();
+    dir.close();
+  }
+
+  public void testCrashAfterCloseNoWait() throws IOException {
+    
+    IndexWriter writer = initIndex(random, false);
+    MockDirectoryWrapper dir = (MockDirectoryWrapper) writer.getDirectory();
+
+    writer.close(false);
+
+    dir.crash();
+
+    /*
+    String[] l = dir.list();
+    Arrays.sort(l);
+    for(int i=0;i<l.length;i++)
+      System.out.println("file " + i + " = " + l[i] + " " + dir.fileLength(l[i]) + " bytes");
+    */
+    IndexReader reader = IndexReader.open(dir, false);
+    assertEquals(157, reader.numDocs());
+    reader.close();
+    dir.close();
+  }
+
+  public void testCrashReaderDeletes() throws IOException {
+    
+    IndexWriter writer = initIndex(random, false);
+    MockDirectoryWrapper dir = (MockDirectoryWrapper) writer.getDirectory();
+
+    writer.close(false);
+    IndexReader reader = IndexReader.open(dir, false);
+    reader.deleteDocument(3);
+
+    dir.crash();
+
+    /*
+    String[] l = dir.list();
+    Arrays.sort(l);
+    for(int i=0;i<l.length;i++)
+      System.out.println("file " + i + " = " + l[i] + " " + dir.fileLength(l[i]) + " bytes");
+    */
+    reader = IndexReader.open(dir, false);
+    assertEquals(157, reader.numDocs());
+    reader.close();
+    dir.clearCrash();
+    dir.close();
+  }
+
+  public void testCrashReaderDeletesAfterClose() throws IOException {
+    
+    IndexWriter writer = initIndex(random, false);
+    MockDirectoryWrapper dir = (MockDirectoryWrapper) writer.getDirectory();
+
+    writer.close(false);
+    IndexReader reader = IndexReader.open(dir, false);
+    reader.deleteDocument(3);
+    reader.close();
+
+    dir.crash();
+
+    /*
+    String[] l = dir.list();
+    Arrays.sort(l);
+    for(int i=0;i<l.length;i++)
+      System.out.println("file " + i + " = " + l[i] + " " + dir.fileLength(l[i]) + " bytes");
+    */
+    reader = IndexReader.open(dir, false);
+    assertEquals(156, reader.numDocs());
+    reader.close();
+    dir.close();
+  }
+}