package org.infinispan.container.versioning;
import static org.testng.AssertJUnit.assertEquals;
import javax.transaction.RollbackException;
import javax.transaction.Transaction;
import org.infinispan.configuration.cache.ConfigurationBuilder;
import org.infinispan.manager.EmbeddedCacheManager;
import org.infinispan.test.Exceptions;
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;
/**
* 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.locking().isolationLevel(IsolationLevel.REPEATABLE_READ)
.transaction().lockingMode(LockingMode.OPTIMISTIC);
return TestCacheManagerFactory.createCacheManager(builder);
}
public void testWriteSkewEnabled() throws Exception {
// Auto-commit is true
cache.put("hello", "world 1");
tm().begin();
assertEquals("Wrong value read by transaction for key hello", "world 1", cache.get("hello"));
Transaction t = tm().suspend();
// Create a write skew
cache.put("hello", "world 3");
tm().resume(t);
cache.put("hello", "world 2");
Exceptions.expectException(RollbackException.class, tm()::commit);
assertEquals("Wrong final value for key hello", "world 3", 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");
assertEquals("Wrong value read by transaction for key k1", "v1", cache.get("k1"));
assertEquals("Wrong value read by transaction for key k2", "v2000", cache.get("k2"));
Transaction t = tm().suspend();
// Create a write skew
// Auto-commit is true
cache.put("k1", "v3");
tm().resume(t);
cache.put("k1", "v5000");
Exceptions.expectException(RollbackException.class, tm()::commit);
assertEquals("Wrong final value for key k1", "v3", cache.get("k1"));
assertEquals("Wrong final value for key k2", "v2", cache.get("k2"));
}
public void testNullEntries() throws Exception {
// Auto-commit is true
cache.put("hello", "world");
tm().begin();
assertEquals("Wrong value read by transaction for key hello", "world", cache.get("hello"));
Transaction t = tm().suspend();
cache.remove("hello");
assertEquals("Wrong value after remove for key hello", null, cache.get("hello"));
tm().resume(t);
cache.put("hello", "world2");
Exceptions.expectException(RollbackException.class, tm()::commit);
assertEquals("Wrong final value for key hello", null, cache.get("hello"));
}
public void testSameNodeKeyCreation() throws Exception {
tm().begin();
assertEquals("Wrong value read by transaction 1 for key NewKey", null, cache.get("NewKey"));
cache.put("NewKey", "v1");
Transaction tx0 = tm().suspend();
//other transaction do the same thing
tm().begin();
assertEquals("Wrong value read by transaction 2 for key NewKey", null, cache.get("NewKey"));
cache.put("NewKey", "v2");
tm().commit();
tm().resume(tx0);
Exceptions.expectException(RollbackException.class, tm()::commit);
assertEquals("Wrong final value for key NewKey", "v2", cache.get("NewKey"));
}
}