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HIVE-27972: Set 'tez' as default value in hive.execution.engine (apac…
…he#4973) (Laszlo Bodor reviewed by Simhadri Govindappa, Sourabh Badhya)
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98 changes: 98 additions & 0 deletions
98
common/src/test/org/apache/hadoop/hive/conf/HiveConfForTest.java
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| /* | ||
| * 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.conf; | ||
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| import java.io.File; | ||
| import java.util.HashMap; | ||
| import java.util.Map; | ||
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| import org.apache.hadoop.conf.Configuration; | ||
| import org.slf4j.Logger; | ||
| import org.slf4j.LoggerFactory; | ||
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| import com.google.common.base.Joiner; | ||
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| /** | ||
| * This class is mostly used in unit test environment to prevent polluting the | ||
| * original HiveConf, and also to provide a way to set some default values for execution. | ||
| */ | ||
| public class HiveConfForTest extends HiveConf { | ||
| private static final Logger LOG = LoggerFactory.getLogger(HiveConfForTest.class.getName()); | ||
| private String testDataDir; | ||
| private Map<String, String> overlay = new HashMap<>(); | ||
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| public HiveConfForTest(Class<?> cls) { | ||
| super(cls); | ||
| init(cls); | ||
| } | ||
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| public HiveConfForTest(Configuration configuration, Class<?> cls) { | ||
| super(configuration, cls); | ||
| init(cls); | ||
| } | ||
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| private void init(Class<?> cls) { | ||
| initDataDir(cls); | ||
| LOG.info("Using test data dir (class: {}): {}", cls.getName(), testDataDir); | ||
| // HIVE_USER_INSTALL_DIR is required in DagUtils, let's set one | ||
| setValue(HiveConf.ConfVars.HIVE_USER_INSTALL_DIR.varname, testDataDir); | ||
| // to avoid the overhead of starting a tez session when creating a new SessionState | ||
| // many unit tests don't need actual tez execution, and this can save a lot of time | ||
| setValue(HiveConf.ConfVars.HIVE_CLI_TEZ_INITIALIZE_SESSION.varname, "false"); | ||
| // to avoid the overhead of using a real yarn cluster for unit tests. | ||
| setValue("tez.local.mode", "true"); | ||
| // to avoid the overhead of starting an RPC server of the local DAGAppMaster | ||
| setValue("tez.local.mode.without.network", "true"); | ||
| // tests might assume this is set | ||
| setValue("hive.in.tez.test", "true"); | ||
| // to prevent polluting the git tree with local tez cache folders (like tez-local-cache136810858646778831) | ||
| setValue("tez.local.cache.root.folder", System.getProperty("build.dir")); | ||
| // prevent RecoveryService from starting, which is not needed in unit tests | ||
| setValue("tez.dag.recovery.enabled", "false"); | ||
| } | ||
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| public void setValue(String name, String value) { | ||
| overlay.put(name, value); | ||
| super.set(name, value); | ||
| } | ||
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| /** | ||
| * Get a unique directory for storing test data, which is based on the class name of the caller unit test | ||
| * and build.dir environment variable (which is set by the surefire plugin, look for root pom.xml). | ||
| * @param cls | ||
| * @return | ||
| */ | ||
| private void initDataDir(Class<?> cls) { | ||
| testDataDir = new File( | ||
| String.format("%s/%s-%d", System.getProperty("build.dir"), cls.getCanonicalName(), System.currentTimeMillis())) | ||
| .getPath(); | ||
| } | ||
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| public String getTestDataDir() { | ||
| return testDataDir; | ||
| } | ||
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| /** | ||
| * Get all overlay options as a query string. | ||
| * This can be used in jdbc connection related tests where we want to pass | ||
| * only the specific values which were set in this class. | ||
| */ | ||
| public String getOverlayOptionsAsQueryString() { | ||
| return Joiner.on(";").withKeyValueSeparator("=").join(overlay); | ||
| } | ||
| } |
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