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Posted to commits@lucene.apache.org by mi...@apache.org on 2014/07/31 16:40:34 UTC
svn commit: r1614911 -
/lucene/dev/trunk/lucene/core/src/test/org/apache/lucene/index/TestStressDeletes.java
Author: mikemccand
Date: Thu Jul 31 14:40:33 2014
New Revision: 1614911
URL: http://svn.apache.org/r1614911
Log:
add test case
Added:
lucene/dev/trunk/lucene/core/src/test/org/apache/lucene/index/TestStressDeletes.java (with props)
Added: lucene/dev/trunk/lucene/core/src/test/org/apache/lucene/index/TestStressDeletes.java
URL: http://svn.apache.org/viewvc/lucene/dev/trunk/lucene/core/src/test/org/apache/lucene/index/TestStressDeletes.java?rev=1614911&view=auto
==============================================================================
--- lucene/dev/trunk/lucene/core/src/test/org/apache/lucene/index/TestStressDeletes.java (added)
+++ lucene/dev/trunk/lucene/core/src/test/org/apache/lucene/index/TestStressDeletes.java Thu Jul 31 14:40:33 2014
@@ -0,0 +1,106 @@
+package org.apache.lucene.index;
+
+/**
+ * Copyright 2004 The Apache Software Foundation
+ *
+ * Licensed 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.util.Map;
+import java.util.concurrent.ConcurrentHashMap;
+import java.util.concurrent.CountDownLatch;
+
+import org.apache.lucene.analysis.MockAnalyzer;
+import org.apache.lucene.document.Document;
+import org.apache.lucene.document.Field;
+import org.apache.lucene.search.IndexSearcher;
+import org.apache.lucene.search.TermQuery;
+import org.apache.lucene.search.TopDocs;
+import org.apache.lucene.store.Directory;
+import org.apache.lucene.util.LuceneTestCase;
+import org.apache.lucene.util.TestUtil;
+
+public class TestStressDeletes extends LuceneTestCase {
+
+ /** Make sure that order of adds/deletes across threads is respected as
+ * long as each ID is only changed by one thread at a time. */
+ public void test() throws Exception {
+ final int numIDs = atLeast(100);
+ final Object[] locks = new Object[numIDs];
+ for(int i=0;i<locks.length;i++) {
+ locks[i] = new Object();
+ }
+
+ Directory dir = newDirectory();
+ IndexWriterConfig iwc = new IndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(random()));
+ final IndexWriter w = new IndexWriter(dir, iwc);
+ final int iters = atLeast(2000);
+ final Map<Integer,Boolean> exists = new ConcurrentHashMap<>();
+ Thread[] threads = new Thread[TestUtil.nextInt(random(), 2, 6)];
+ final CountDownLatch startingGun = new CountDownLatch(1);
+ for(int i=0;i<threads.length;i++) {
+ threads[i] = new Thread() {
+ @Override
+ public void run() {
+ try {
+ startingGun.await();
+ for(int iter=0;iter<iters;iter++) {
+ int id = random().nextInt(numIDs);
+ synchronized (locks[id]) {
+ Boolean v = exists.get(id);
+ if (v == null || v.booleanValue() == false) {
+ Document doc = new Document();
+ doc.add(newStringField("id", ""+id, Field.Store.NO));
+ w.addDocument(doc);
+ exists.put(id, true);
+ } else {
+ w.deleteDocuments(new Term("id", ""+id));
+ exists.put(id, false);
+ }
+ }
+ if (random().nextInt(500) == 2) {
+ DirectoryReader.open(w, random().nextBoolean()).close();
+ }
+ if (random().nextInt(500) == 2) {
+ w.commit();
+ }
+ }
+ } catch (Exception e) {
+ throw new RuntimeException(e);
+ }
+ }
+ };
+ threads[i].start();
+ }
+
+ startingGun.countDown();
+ for(Thread thread : threads) {
+ thread.join();
+ }
+
+ IndexReader r = w.getReader();
+ IndexSearcher s = newSearcher(r);
+ for(Map.Entry<Integer,Boolean> ent : exists.entrySet()) {
+ int id = ent.getKey();
+ TopDocs hits = s.search(new TermQuery(new Term("id", ""+id)), 1);
+ if (ent.getValue()) {
+ assertEquals(1, hits.totalHits);
+ } else {
+ assertEquals(0, hits.totalHits);
+ }
+ }
+ r.close();
+ w.close();
+ dir.close();
+ }
+}