/**
* 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.hcatalog.mapreduce;
import org.apache.hadoop.fs.FileUtil;
import org.apache.hadoop.hive.cli.CliSessionState;
import org.apache.hadoop.hive.conf.HiveConf;
import org.apache.hadoop.hive.metastore.HiveMetaStoreClient;
import org.apache.hadoop.hive.ql.Driver;
import org.apache.hadoop.hive.ql.session.SessionState;
import org.apache.pig.PigServer;
import org.junit.Assert;
import org.junit.Before;
import org.junit.BeforeClass;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.File;
import java.io.IOException;
/**
* Simplify writing HCatalog tests that require a HiveMetaStore.
*/
public class HCatBaseTest {
protected static final Logger LOG = LoggerFactory.getLogger(HCatBaseTest.class);
protected static final String TEST_DATA_DIR = System.getProperty("user.dir") +
"/build/test/data/" + HCatBaseTest.class.getCanonicalName();
protected static final String TEST_WAREHOUSE_DIR = TEST_DATA_DIR + "/warehouse";
protected HiveConf hiveConf = null;
protected Driver driver = null;
protected HiveMetaStoreClient client = null;
@BeforeClass
public static void setUpTestDataDir() throws Exception {
LOG.info("Using warehouse directory " + TEST_WAREHOUSE_DIR);
File f = new File(TEST_WAREHOUSE_DIR);
if (f.exists()) {
FileUtil.fullyDelete(f);
}
Assert.assertTrue(new File(TEST_WAREHOUSE_DIR).mkdirs());
}
@Before
public void setUp() throws Exception {
if (driver == null) {
setUpHiveConf();
driver = new Driver(hiveConf);
client = new HiveMetaStoreClient(hiveConf);
SessionState.start(new CliSessionState(hiveConf));
}
}
/**
* Create a new HiveConf and set properties necessary for unit tests.
*/
protected void setUpHiveConf() {
hiveConf = new HiveConf(this.getClass());
hiveConf.setVar(HiveConf.ConfVars.PREEXECHOOKS, "");
hiveConf.setVar(HiveConf.ConfVars.POSTEXECHOOKS, "");
hiveConf.setBoolVar(HiveConf.ConfVars.HIVE_SUPPORT_CONCURRENCY, false);
hiveConf.setVar(HiveConf.ConfVars.METASTOREWAREHOUSE, TEST_WAREHOUSE_DIR);
}
protected void logAndRegister(PigServer server, String query) throws IOException {
LOG.info("Registering pig query: " + query);
server.registerQuery(query);
}
}