src/test/org/apache/hcatalog/cli/TestUseDatabase.java

/**
 * 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,
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 * See the License for the specific language governing permissions and
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package org.apache.hcatalog.cli;

import java.io.IOException;

import junit.framework.TestCase;

import org.apache.hadoop.hive.cli.CliSessionState;
import org.apache.hadoop.hive.conf.HiveConf;
import org.apache.hadoop.hive.conf.HiveConf.ConfVars;
import org.apache.hadoop.hive.ql.CommandNeedRetryException;
import org.apache.hadoop.hive.ql.Driver;
import org.apache.hadoop.hive.ql.processors.CommandProcessorResponse;
import org.apache.hadoop.hive.ql.session.SessionState;
import org.apache.hcatalog.cli.SemanticAnalysis.HCatSemanticAnalyzer;

/* Unit test for GitHub Howl issue #3 */
public class TestUseDatabase extends TestCase {

    private Driver hcatDriver;

    @Override
    protected void setUp() throws Exception {

        HiveConf hcatConf = new HiveConf(this.getClass());
        hcatConf.set(ConfVars.PREEXECHOOKS.varname, "");
        hcatConf.set(ConfVars.POSTEXECHOOKS.varname, "");
        hcatConf.set(ConfVars.HIVE_SUPPORT_CONCURRENCY.varname, "false");

        hcatConf.set(ConfVars.SEMANTIC_ANALYZER_HOOK.varname, HCatSemanticAnalyzer.class.getName());
        hcatDriver = new Driver(hcatConf);
        SessionState.start(new CliSessionState(hcatConf));
    }

    String query;
    private final String dbName = "testUseDatabase_db";
    private final String tblName = "testUseDatabase_tbl";

    public void testAlterTablePass() throws IOException, CommandNeedRetryException {

        hcatDriver.run("create database " + dbName);
        hcatDriver.run("use " + dbName);
        hcatDriver.run("create table " + tblName + " (a int) partitioned by (b string) stored as RCFILE");

        CommandProcessorResponse response;

        response = hcatDriver.run("alter table " + tblName + " add partition (b='2') location '/tmp'");
        assertEquals(0, response.getResponseCode());
        assertNull(response.getErrorMessage());

        response = hcatDriver.run("alter table " + tblName + " set fileformat INPUTFORMAT 'org.apache.hadoop.hive.ql.io.RCFileInputFormat' OUTPUTFORMAT " +
                "'org.apache.hadoop.hive.ql.io.RCFileOutputFormat' inputdriver 'mydriver' outputdriver 'yourdriver'");
        assertEquals(0, response.getResponseCode());
        assertNull(response.getErrorMessage());

        hcatDriver.run("drop table " + tblName);
        hcatDriver.run("drop database " + dbName);
    }

}