| /* |
| * 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. |
| */ |
| package com.cloud.utils.db; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertTrue; |
| import static org.junit.Assert.fail; |
| import static org.mockito.Mockito.times; |
| import static org.mockito.Mockito.verify; |
| |
| import java.io.FileNotFoundException; |
| import java.sql.Connection; |
| import java.util.concurrent.atomic.AtomicInteger; |
| |
| import org.junit.After; |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.mockito.Mockito; |
| |
| public class TestTransaction { |
| |
| TransactionLegacy txn; |
| Connection conn; |
| |
| @Before |
| public void setup() { |
| setup(TransactionLegacy.CLOUD_DB); |
| } |
| |
| public void setup(short db) { |
| txn = TransactionLegacy.open(db); |
| conn = Mockito.mock(Connection.class); |
| txn.setConnection(conn); |
| } |
| |
| @After |
| public void after() { |
| TransactionLegacy.currentTxn().close(); |
| } |
| |
| @Test |
| public void testCommit() throws Exception { |
| assertEquals(42L, Transaction.execute(new TransactionCallback<Object>() { |
| @Override |
| public Object doInTransaction(TransactionStatus status) { |
| return 42L; |
| } |
| })); |
| |
| verify(conn).setAutoCommit(false); |
| verify(conn, times(1)).commit(); |
| verify(conn, times(0)).rollback(); |
| verify(conn, times(1)).close(); |
| } |
| |
| @Test |
| public void testRollback() throws Exception { |
| try { |
| Transaction.execute(new TransactionCallback<Object>() { |
| @Override |
| public Object doInTransaction(TransactionStatus status) { |
| throw new RuntimeException("Panic!"); |
| } |
| }); |
| fail(); |
| } catch (RuntimeException e) { |
| assertEquals("Panic!", e.getMessage()); |
| } |
| |
| verify(conn).setAutoCommit(false); |
| verify(conn, times(0)).commit(); |
| verify(conn, times(1)).rollback(); |
| verify(conn, times(1)).close(); |
| } |
| |
| @Test |
| public void testRollbackWithException() throws Exception { |
| try { |
| Transaction.execute(new TransactionCallbackWithException<Object, FileNotFoundException>() { |
| @Override |
| public Object doInTransaction(TransactionStatus status) throws FileNotFoundException { |
| assertEquals(TransactionLegacy.CLOUD_DB, TransactionLegacy.currentTxn().getDatabaseId().shortValue()); |
| |
| throw new FileNotFoundException("Panic!"); |
| } |
| }); |
| fail(); |
| } catch (FileNotFoundException e) { |
| assertEquals("Panic!", e.getMessage()); |
| } |
| |
| verify(conn).setAutoCommit(false); |
| verify(conn, times(0)).commit(); |
| verify(conn, times(1)).rollback(); |
| verify(conn, times(1)).close(); |
| } |
| |
| @Test |
| public void testWithExceptionNoReturn() throws Exception { |
| final AtomicInteger i = new AtomicInteger(0); |
| assertTrue(Transaction.execute(new TransactionCallbackWithExceptionNoReturn<FileNotFoundException>() { |
| @Override |
| public void doInTransactionWithoutResult(TransactionStatus status) throws FileNotFoundException { |
| i.incrementAndGet(); |
| } |
| })); |
| |
| assertEquals(1, i.get()); |
| verify(conn).setAutoCommit(false); |
| verify(conn, times(1)).commit(); |
| verify(conn, times(0)).rollback(); |
| verify(conn, times(1)).close(); |
| } |
| } |