/*
* (C) 2007-2012 Alibaba Group Holding Limited.
*
* 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.
* Authors:
* wuhua <wq163@163.com> , boyan <killme2008@gmail.com>
*/
package com.taobao.metamorphosis.server.assembly;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertSame;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
import java.util.LinkedHashMap;
import java.util.Map;
import javax.transaction.xa.XAException;
import org.easymock.EasyMock;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import com.taobao.gecko.service.Connection;
import com.taobao.metamorphosis.network.PutCommand;
import com.taobao.metamorphosis.server.CommandProcessor;
import com.taobao.metamorphosis.server.network.SessionContext;
import com.taobao.metamorphosis.server.network.SessionContextImpl;
import com.taobao.metamorphosis.server.stats.StatsManager;
import com.taobao.metamorphosis.server.store.MessageStore;
import com.taobao.metamorphosis.server.transaction.BaseTransactionUnitTest;
import com.taobao.metamorphosis.server.transaction.Transaction;
import com.taobao.metamorphosis.server.transaction.XATransaction;
import com.taobao.metamorphosis.server.utils.MetaConfig;
import com.taobao.metamorphosis.server.utils.XIDGenerator;
import com.taobao.metamorphosis.transaction.LocalTransactionId;
import com.taobao.metamorphosis.transaction.TransactionId;
import com.taobao.metamorphosis.utils.IdWorker;
public class TransactionalCommandProcessorUnitTest extends BaseTransactionUnitTest {
private TransactionalCommandProcessor processor;
private CommandProcessor next;
private Connection conn;
@Override
@Before
public void setUp() throws Exception {
super.setUp();
this.next = EasyMock.createMock(CommandProcessor.class);
this.conn = EasyMock.createMock(Connection.class);
this.next.init();
EasyMock.expectLastCall().anyTimes();
this.next.dispose();
EasyMock.expectLastCall().anyTimes();
this.newProcessor();
this.clearHeuristicTxJournal();
}
private void newProcessor() throws Exception {
final MetaConfig metaConfig = new MetaConfig();
this.processor =
new TransactionalCommandProcessor(metaConfig, this.messageStoreManager, new IdWorker(0), this.next,
this.transactionStore, new StatsManager(new MetaConfig(), this.messageStoreManager, null));
}
private void clearHeuristicTxJournal() throws Exception {
this.processor.getHeuristicTransactionJournal().write(new LinkedHashMap<TransactionId, XATransaction>());
}
private void replay() {
EasyMock.replay(this.next, this.conn);
this.processor.init();
}
@Test
public void testBeginPutCommitOnePhase() throws Exception {
final SessionContext context = new SessionContextImpl("test", this.conn);
final TransactionId xid = new LocalTransactionId("test", 100);
assertNull(context.getTransactions().get(xid));
this.processor.beginTransaction(context, xid, 0);
final Transaction tx = context.getTransactions().get(xid);
assertNotNull(tx);
assertSame(xid, tx.getTransactionId());
this.replay();
this.processor.processPutCommand(new PutCommand("topic1", 2, "hello".getBytes(), xid, 0, 1), context, null);
final MessageStore store = this.messageStoreManager.getOrCreateMessageStore("topic1", 2);
store.flush();
assertEquals(0, store.getSizeInBytes());
// commit one phase
this.processor.commitTransaction(context, xid, true);
store.flush();
assertEquals(Transaction.FINISHED_STATE, tx.getState());
assertNull(context.getTransactions().get(xid));
assertTrue(store.getSizeInBytes() > 0);
}
@Test
public void testSetTransactionTimeout() throws Exception {
final SessionContext context = new SessionContextImpl("test", this.conn);
final TransactionId xid = XIDGenerator.createXID(100);
assertNull(context.getTransactions().get(xid));
// ��������ʱ
// this.processor.setTransactionTimeout(context, xid, 3);
this.replay();
this.processor.beginTransaction(context, xid, 3);
final Transaction tx = this.processor.getTransaction(context, xid);
assertNotNull(tx);
assertSame(xid, tx.getTransactionId());
assertNotNull(tx.getTimeoutRef());
assertFalse(tx.getTimeoutRef().isExpired());
Thread.sleep(4000);
assertTrue(tx.getTimeoutRef().isExpired());
// It's rolled back
try {
assertNull(this.processor.getTransaction(context, xid));
fail();
}
catch (final XAException e) {
assertEquals("XA transaction '" + xid + "' has not been started.", e.getMessage());
}
}
@Test
public void testBeginPreparedCommitTwoPhase() throws Exception {
final SessionContext context = new SessionContextImpl("test", this.conn);
final TransactionId xid = XIDGenerator.createXID(100);
assertNull(context.getTransactions().get(xid));
this.processor.beginTransaction(context, xid, 0);
final Transaction tx = this.processor.getTransaction(context, xid);
assertNotNull(tx);
assertSame(xid, tx.getTransactionId());
this.replay();
this.processor.processPutCommand(new PutCommand("topic1", 2, "hello".getBytes(), xid, 0, 1), context, null);
final MessageStore store = this.messageStoreManager.getOrCreateMessageStore("topic1", 2);
store.flush();
assertEquals(0, store.getSizeInBytes());
this.processor.prepareTransaction(context, xid);
assertSame(tx, this.processor.getTransaction(context, xid));
// commit two phase
this.processor.commitTransaction(context, xid, false);
store.flush();
assertEquals(Transaction.FINISHED_STATE, tx.getState());
assertNull(context.getTransactions().get(xid));
assertTrue(store.getSizeInBytes() > 0);
}
@Test(expected = XAException.class)
public void testPutNotBeginTransaction() throws Exception {
final SessionContext context = new SessionContextImpl("test", this.conn);
final TransactionId xid = XIDGenerator.createXID(100);
this.replay();
this.processor.processPutCommand(new PutCommand("topic1", 2, "hello".getBytes(), xid, 0, 1), context, null);
}
@Test
public void testBeginPutPutCloseRecoverGetPreparedTransactionsCommit() throws Exception {
final SessionContext context = new SessionContextImpl("test", this.conn);
final TransactionId xid = XIDGenerator.createXID(100);
assertNull(context.getTransactions().get(xid));
this.processor.beginTransaction(context, xid, 0);
this.replay();
this.processor.processPutCommand(new PutCommand("topic1", 2, "hello".getBytes(), xid, 0, 1), context, null);
this.processor.processPutCommand(new PutCommand("topic1", 2, "world".getBytes(), xid, 0, 1), context, null);
MessageStore store = this.messageStoreManager.getOrCreateMessageStore("topic1", 2);
store.flush();
assertEquals(0, store.getSizeInBytes());
assertEquals(0, this.processor.getPreparedTransactions(context, XIDGenerator.UNIQUE_QUALIFIER).length);
// prepare
this.processor.prepareTransaction(context, xid);
assertEquals(1, this.processor.getPreparedTransactions(context, XIDGenerator.UNIQUE_QUALIFIER).length);
assertEquals(1, this.processor.getPreparedTransactions(context, null).length);
assertEquals(0, this.processor.getPreparedTransactions(context, "unknown").length);
assertSame(this.processor.getPreparedTransactions(context, XIDGenerator.UNIQUE_QUALIFIER)[0], this.processor
.getTransaction(context, xid).getTransactionId());
// close and reopen it
this.tearDown();
this.init(this.path);
this.newProcessor();
this.processor.recoverPreparedTransactions();
assertEquals(1, this.processor.getPreparedTransactions(context, XIDGenerator.UNIQUE_QUALIFIER).length);
assertEquals(1, this.processor.getPreparedTransactions(context, null).length);
assertEquals(0, this.processor.getPreparedTransactions(context, "unknown").length);
assertSame(this.processor.getPreparedTransactions(context, XIDGenerator.UNIQUE_QUALIFIER)[0], this.processor
.getTransaction(context, xid).getTransactionId());
store = this.messageStoreManager.getOrCreateMessageStore("topic1", 2);
store.flush();
assertEquals(0, store.getSizeInBytes());
// commit two phase
this.processor.commitTransaction(context, xid, false);
store.flush();
assertEquals(0, this.processor.getPreparedTransactions(context, XIDGenerator.UNIQUE_QUALIFIER).length);
assertNull(context.getTransactions().get(xid));
store.flush();
assertTrue(store.getSizeInBytes() > 0);
}
@Test
public void testBeginPutRollback() throws Exception {
final SessionContext context = new SessionContextImpl("test", this.conn);
final TransactionId xid = new LocalTransactionId("test", 100);
assertNull(context.getTransactions().get(xid));
this.processor.beginTransaction(context, xid, 0);
final Transaction tx = context.getTransactions().get(xid);
assertNotNull(tx);
assertSame(xid, tx.getTransactionId());
this.replay();
this.processor.processPutCommand(new PutCommand("topic1", 2, "hello".getBytes(), xid, 0, 1), context, null);
final MessageStore store = this.messageStoreManager.getOrCreateMessageStore("topic1", 2);
store.flush();
assertEquals(0, store.getSizeInBytes());
// rollback
this.processor.rollbackTransaction(context, xid);
store.flush();
assertEquals(Transaction.FINISHED_STATE, tx.getState());
assertNull(context.getTransactions().get(xid));
store.flush();
assertEquals(0, store.getSizeInBytes());
}
@Test
public void testBeginPutPrepareRollbackCloseRecover() throws Exception {
final SessionContext context = new SessionContextImpl("test", this.conn);
final TransactionId xid = XIDGenerator.createXID(100);
assertNull(context.getTransactions().get(xid));
this.processor.beginTransaction(context, xid, 0);
final Transaction tx = this.processor.getTransaction(context, xid);
assertNotNull(tx);
assertSame(xid, tx.getTransactionId());
this.replay();
this.processor.processPutCommand(new PutCommand("topic1", 2, "hello".getBytes(), xid, 0, 1), context, null);
MessageStore store = this.messageStoreManager.getOrCreateMessageStore("topic1", 2);
store.flush();
assertEquals(0, store.getSizeInBytes());
// prepare
this.processor.prepareTransaction(context, xid);
assertSame(tx, this.processor.getTransaction(context, xid));
// rollback
this.processor.rollbackTransaction(context, xid);
store.flush();
assertEquals(Transaction.FINISHED_STATE, tx.getState());
assertNull(context.getTransactions().get(xid));
assertEquals(0, store.getSizeInBytes());
// close and reopen it
this.tearDown();
this.init(this.path);
this.newProcessor();
this.processor.recoverPreparedTransactions();
// ȷ��prepareΪ��
store = this.messageStoreManager.getOrCreateMessageStore("topic1", 2);
store.flush();
assertEquals(0, store.getSizeInBytes());
assertEquals(0, this.processor.getPreparedTransactions(context, XIDGenerator.UNIQUE_QUALIFIER).length);
}
@Test
public void testCommitTransactionHeuristicallyRecoverHeuristicTransactions() throws Exception {
final SessionContext context = new SessionContextImpl("test", this.conn);
final TransactionId xid = XIDGenerator.createXID(100);
assertNull(context.getTransactions().get(xid));
this.processor.beginTransaction(context, xid, 0);
final Transaction tx = this.processor.getTransaction(context, xid);
assertNotNull(tx);
assertSame(xid, tx.getTransactionId());
this.replay();
this.processor.processPutCommand(new PutCommand("topic1", 2, "hello".getBytes(), xid, 0, 1), context, null);
final MessageStore store = this.messageStoreManager.getOrCreateMessageStore("topic1", 2);
store.flush();
assertEquals(0, store.getSizeInBytes());
// prepare
this.processor.prepareTransaction(context, xid);
assertSame(tx, this.processor.getTransaction(context, xid));
// �ֹ��ύ
this.processor.commitTransactionHeuristically(xid.getTransactionKey(), false);
Map<TransactionId, XATransaction> heuristicTxMap = this.processor.getXAHeuristicTransactions();
assertFalse(heuristicTxMap.isEmpty());
assertTrue(heuristicTxMap.containsKey(xid));
assertSame(tx, heuristicTxMap.get(xid));
assertEquals(Transaction.HEURISTIC_COMMIT_STATE, heuristicTxMap.get(xid).getState());
// �رգ����´�recover
this.processor.dispose();
this.newProcessor();
this.processor.recoverHeuristicTransactions();
// ȷ����ȷrecover
heuristicTxMap = this.processor.getXAHeuristicTransactions();
assertFalse(heuristicTxMap.isEmpty());
assertTrue(heuristicTxMap.containsKey(xid));
assertEquals(tx.getTransactionId(), heuristicTxMap.get(xid).getTransactionId());
assertEquals(Transaction.HEURISTIC_COMMIT_STATE, heuristicTxMap.get(xid).getState());
}
@Override
@After
public void tearDown() {
super.tearDown();
this.processor.dispose();
EasyMock.verify(this.next, this.conn);
}
}