package org.apache.hadoop.hive.ql.history;
/**
* 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.
*/
import java.io.PrintStream;
import java.io.UnsupportedEncodingException;
import java.util.LinkedList;
import java.util.Map;
import junit.framework.TestCase;
import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.hive.cli.CliSessionState;
import org.apache.hadoop.hive.common.LogUtils;
import org.apache.hadoop.hive.common.LogUtils.LogInitializationException;
import org.apache.hadoop.hive.conf.HiveConf;
import org.apache.hadoop.hive.metastore.MetaStoreUtils;
import org.apache.hadoop.hive.ql.Driver;
import org.apache.hadoop.hive.ql.QTestUtil.QTestSetup;
import org.apache.hadoop.hive.ql.history.HiveHistory.Keys;
import org.apache.hadoop.hive.ql.history.HiveHistory.QueryInfo;
import org.apache.hadoop.hive.ql.history.HiveHistory.TaskInfo;
import org.apache.hadoop.hive.ql.io.IgnoreKeyTextOutputFormat;
import org.apache.hadoop.hive.ql.metadata.Hive;
import org.apache.hadoop.hive.ql.session.SessionState;
import org.apache.hadoop.hive.ql.tools.LineageInfo;
import org.apache.hadoop.mapred.TextInputFormat;
/**
* TestHiveHistory.
*
*/
public class TestHiveHistory extends TestCase {
static HiveConf conf;
private static String tmpdir = "/tmp/" + System.getProperty("user.name")
+ "/";
private static Path tmppath = new Path(tmpdir);
private static Hive db;
private static FileSystem fs;
private QTestSetup setup;
/*
* intialize the tables
*/
@Override
protected void setUp() {
try {
conf = new HiveConf(HiveHistory.class);
fs = FileSystem.get(conf);
if (fs.exists(tmppath) && !fs.getFileStatus(tmppath).isDir()) {
throw new RuntimeException(tmpdir + " exists but is not a directory");
}
if (!fs.exists(tmppath)) {
if (!fs.mkdirs(tmppath)) {
throw new RuntimeException("Could not make scratch directory "
+ tmpdir);
}
}
setup = new QTestSetup();
setup.preTest(conf);
// copy the test files into hadoop if required.
int i = 0;
Path[] hadoopDataFile = new Path[2];
String[] testFiles = {"kv1.txt", "kv2.txt"};
String testFileDir = "file://"
+ conf.get("test.data.files").replace('\\', '/').replace("c:", "");
for (String oneFile : testFiles) {
Path localDataFile = new Path(testFileDir, oneFile);
hadoopDataFile[i] = new Path(tmppath, oneFile);
fs.copyFromLocalFile(false, true, localDataFile, hadoopDataFile[i]);
i++;
}
// load the test files into tables
i = 0;
db = Hive.get(conf);
String[] srctables = {"src", "src2"};
LinkedList<String> cols = new LinkedList<String>();
cols.add("key");
cols.add("value");
for (String src : srctables) {
db.dropTable(MetaStoreUtils.DEFAULT_DATABASE_NAME, src, true, true);
db.createTable(src, cols, null, TextInputFormat.class,
IgnoreKeyTextOutputFormat.class);
db.loadTable(hadoopDataFile[i], src, false, false);
i++;
}
} catch (Throwable e) {
e.printStackTrace();
throw new RuntimeException("Encountered throwable");
}
}
@Override
protected void tearDown() {
try {
setup.tearDown();
}
catch (Exception e) {
System.out.println("Exception: " + e.getMessage());
e.printStackTrace();
System.out.flush();
fail("Unexpected exception in tearDown");
}
}
/**
* Check history file output for this query.
*/
public void testSimpleQuery() {
new LineageInfo();
try {
// NOTE: It is critical to do this here so that log4j is reinitialized
// before
// any of the other core hive classes are loaded
try {
LogUtils.initHiveLog4j();
} catch (LogInitializationException e) {
// ignore
}
CliSessionState ss = new CliSessionState(new HiveConf(SessionState.class));
ss.in = System.in;
try {
ss.out = new PrintStream(System.out, true, "UTF-8");
ss.err = new PrintStream(System.err, true, "UTF-8");
} catch (UnsupportedEncodingException e) {
System.exit(3);
}
SessionState.start(ss);
String cmd = "select a.key from src a";
Driver d = new Driver(conf);
int ret = d.run(cmd).getResponseCode();
if (ret != 0) {
fail("Failed");
}
HiveHistoryViewer hv = new HiveHistoryViewer(SessionState.get()
.getHiveHistory().getHistFileName());
Map<String, QueryInfo> jobInfoMap = hv.getJobInfoMap();
Map<String, TaskInfo> taskInfoMap = hv.getTaskInfoMap();
if (jobInfoMap.size() != 1) {
fail("jobInfo Map size not 1");
}
if (taskInfoMap.size() != 1) {
fail("jobInfo Map size not 1");
}
cmd = (String) jobInfoMap.keySet().toArray()[0];
QueryInfo ji = jobInfoMap.get(cmd);
if (!ji.hm.get(Keys.QUERY_NUM_TASKS.name()).equals("1")) {
fail("Wrong number of tasks");
}
} catch (Exception e) {
e.printStackTrace();
fail("Failed");
}
}
public void testQueryloglocParentDirNotExist() throws Exception {
String parentTmpDir = tmpdir + "/HIVE2654";
Path parentDirPath = new Path(parentTmpDir);
try {
fs.delete(parentDirPath, true);
} catch (Exception e) {
}
try {
String actualDir = parentTmpDir + "/test";
HiveConf conf = new HiveConf(SessionState.class);
conf.set(HiveConf.ConfVars.HIVEHISTORYFILELOC.toString(), actualDir);
SessionState ss = new CliSessionState(conf);
HiveHistory hiveHistory = new HiveHistory(ss);
Path actualPath = new Path(actualDir);
if (!fs.exists(actualPath)) {
fail("Query location path is not exist :" + actualPath.toString());
}
} finally {
try {
fs.delete(parentDirPath, true);
} catch (Exception e) {
}
}
}
}