/*
* Copyright 2011 Red Hat, Inc. and/or its affiliates.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301 USA
*/
package org.infinispan.container.versioning;
import org.infinispan.CacheException;
import org.infinispan.configuration.cache.ConfigurationBuilder;
import org.infinispan.configuration.cache.VersioningScheme;
import org.infinispan.manager.EmbeddedCacheManager;
import org.infinispan.test.SingleCacheManagerTest;
import org.infinispan.test.fwk.CleanupAfterMethod;
import org.infinispan.test.fwk.TestCacheManagerFactory;
import org.infinispan.transaction.LockingMode;
import org.infinispan.util.concurrent.IsolationLevel;
import org.testng.annotations.Test;
import javax.transaction.RollbackException;
import javax.transaction.Transaction;
/**
* Tests local-mode versioning
*
* @author Manik Surtani
* @since 5.1
*/
@Test(testName = "container.versioning.LocalWriteSkewTest", groups = "functional")
@CleanupAfterMethod
public class LocalWriteSkewTest extends SingleCacheManagerTest {
@Override
protected EmbeddedCacheManager createCacheManager() throws Exception {
ConfigurationBuilder builder = TestCacheManagerFactory.getDefaultCacheConfiguration(true);
builder
.versioning()
.enable()
.scheme(VersioningScheme.SIMPLE)
.locking()
.isolationLevel(IsolationLevel.REPEATABLE_READ)
.writeSkewCheck(true)
.transaction()
.lockingMode(LockingMode.OPTIMISTIC);
EmbeddedCacheManager cm = TestCacheManagerFactory.createCacheManager(builder);
builder.locking().writeSkewCheck(false).versioning().disable();
cm.defineConfiguration("no-ws-chk", builder.build());
return cm;
}
public void testWriteSkewEnabled() throws Exception {
// Auto-commit is true
cache.put("hello", "world 1");
tm().begin();
Object v = cache.get("hello");
assert "world 1".equals(v);
Transaction t = tm().suspend();
// Create a write skew
cache.put("hello", "world 3");
tm().resume(t);
try {
cache.put("hello", "world 2");
assert false: "Should have detected write skew";
} catch (CacheException e) {
// expected
}
try {
tm().commit();
assert false: "Transaction should roll back";
} catch (RollbackException re) {
// expected
}
assert "world 3".equals(cache.get("hello"));
}
public void testWriteSkewMultiEntries() throws Exception {
tm().begin();
cache.put("k1", "v1");
cache.put("k2", "v2");
tm().commit();
tm().begin();
cache.put("k2", "v2000");
Object v = cache.get("k1");
assert "v1".equals(v);
assert "v2000".equals(cache.get("k2"));
Transaction t = tm().suspend();
// Create a write skew
// Auto-commit is true
cache.put("k1", "v3");
tm().resume(t);
try {
cache.put("k1", "v5000");
assert false: "Should have detected write skew";
} catch (CacheException e) {
// expected
}
try {
tm().commit();
assert false: "Transaction should roll back";
} catch (RollbackException re) {
// expected
}
assert "v3".equals(cache.get("k1"));
assert "v2".equals(cache.get("k2"));
}
public void testWriteSkewDisabled() throws Exception {
cache = cacheManager.getCache("no-ws-chk");
// Auto-commit is true
cache.put("hello", "world 1");
tm().begin();
Object v = cache.get("hello");
assert "world 1".equals(v);
Transaction t = tm().suspend();
// Create a write skew
cache.put("hello", "world 3");
tm().resume(t);
cache.put("hello", "world 2");
tm().commit();
assert "world 2".equals(cache.get("hello"));
}
public void testNullEntries() throws Exception {
// Auto-commit is true
cache.put("hello", "world");
tm().begin();
assert "world".equals(cache.get("hello"));
Transaction t = tm().suspend();
cache.remove("hello");
assert null == cache.get("hello");
tm().resume(t);
try {
cache.put("hello", "world2");
assert false: "Write skew should have been detected";
} catch (CacheException expected) {
// expected
}
try {
tm().commit();
assert false: "This transaction should roll back";
} catch (RollbackException expected) {
// expected
}
assert null == cache.get("hello");
}
}