Java tutorial
/** * 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 org.apache.hadoop.hbase.backup; import static org.junit.Assert.assertNotEquals; import static org.junit.Assert.assertTrue; import java.io.ByteArrayOutputStream; import java.io.PrintStream; import java.util.List; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.apache.hadoop.hbase.TableName; import org.apache.hadoop.hbase.backup.BackupInfo.BackupState; import org.apache.hadoop.hbase.backup.impl.BackupCommands; import org.apache.hadoop.hbase.backup.impl.BackupSystemTable; import org.apache.hadoop.hbase.testclassification.LargeTests; import org.apache.hadoop.util.ToolRunner; import org.junit.Test; import org.junit.experimental.categories.Category; import com.google.common.collect.Lists; @Category(LargeTests.class) public class TestBackupDescribe extends TestBackupBase { private static final Log LOG = LogFactory.getLog(TestBackupDescribe.class); /** * Verify that describe works as expected if incorrect backup Id is supplied * @throws Exception */ @Test public void testBackupDescribe() throws Exception { LOG.info("test backup describe on a single table with data"); String[] args = new String[] { "describe", "backup_2" }; int ret = ToolRunner.run(conf1, new BackupDriver(), args); assertTrue(ret < 0); ByteArrayOutputStream baos = new ByteArrayOutputStream(); System.setErr(new PrintStream(baos)); args = new String[] { "progress" }; ToolRunner.run(TEST_UTIL.getConfiguration(), new BackupDriver(), args); String output = baos.toString(); LOG.info("Output from progress: " + output); assertTrue(output.indexOf(BackupCommands.NO_ACTIVE_SESSION_FOUND) >= 0); } @Test public void testBackupSetCommandWithNonExistentTable() throws Exception { String[] args = new String[] { "set", "add", "some_set", "table" }; // Run backup int ret = ToolRunner.run(conf1, new BackupDriver(), args); assertNotEquals(ret, 0); } @Test public void testBackupDescribeCommand() throws Exception { LOG.info("test backup describe on a single table with data: command-line"); List<TableName> tableList = Lists.newArrayList(table1); String backupId = fullTableBackup(tableList); LOG.info("backup complete"); assertTrue(checkSucceeded(backupId)); BackupInfo info = getBackupAdmin().getBackupInfo(backupId); assertTrue(info.getState() == BackupState.COMPLETE); ByteArrayOutputStream baos = new ByteArrayOutputStream(); System.setOut(new PrintStream(baos)); String[] args = new String[] { "describe", backupId }; // Run backup int ret = ToolRunner.run(conf1, new BackupDriver(), args); assertTrue(ret == 0); String response = baos.toString(); assertTrue(response.indexOf(backupId) > 0); assertTrue(response.indexOf("COMPLETE") > 0); BackupSystemTable table = new BackupSystemTable(TEST_UTIL.getConnection()); BackupInfo status = table.readBackupInfo(backupId); String desc = status.getShortDescription(); table.close(); assertTrue(response.indexOf(desc) >= 0); } }