| /* |
| * 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.hive; |
| |
| import java.io.File; |
| import java.net.URL; |
| import java.util.Iterator; |
| import java.util.Map; |
| |
| import org.apache.hadoop.hive.conf.HiveConf; |
| import org.apache.hadoop.hive.conf.HiveConf.ConfVars; |
| |
| /** |
| * Test utilities |
| */ |
| public class UtilsForTest { |
| /** |
| * Use this if you want a fresh metastore for your test, without any existing entries. |
| * It updates the configuration to point to new derby dir location |
| * @param conf HiveConf to be updated |
| * @param newloc new location within test temp dir for the metastore db |
| */ |
| public static void setNewDerbyDbLocation(HiveConf conf, String newloc) { |
| String newDbLoc = System.getProperty("test.tmp.dir") + newloc + "metastore_db"; |
| |
| conf.setVar(ConfVars.METASTORECONNECTURLKEY, "jdbc:derby:;databaseName=" + newDbLoc |
| + ";create=true"); |
| } |
| |
| /** |
| * Do the variable expansion by calling "set" on each variable. |
| * When MR jobs are run, under some circumstances they fail because |
| * the variable expansion fails after changes in Hadoop to prevent |
| * variable expansion for JobHistoryServer. So expanding them ahead |
| * so that variables like {test.tmp.dir} get expanded. |
| * @param hiveConf |
| */ |
| public static void expandHiveConfParams(HiveConf hiveConf) { |
| Iterator<Map.Entry<String, String>> iter = hiveConf.iterator(); |
| while (iter.hasNext()) { |
| String key = iter.next().getKey(); |
| hiveConf.set(key, hiveConf.get(key)); |
| } |
| } |
| |
| public static HiveConf getHiveOnTezConfFromDir(String confDir) throws Exception { |
| HiveConf.setHiveSiteLocation( |
| new URL("file://" + new File(confDir).toURI().getPath() + "/hive-site.xml")); |
| HiveConf hiveConf = new HiveConf(); |
| hiveConf |
| .addResource(new URL("file://" + new File(confDir).toURI().getPath() + "/tez-site.xml")); |
| return hiveConf; |
| } |
| |
| } |