com.facebook.hiveio.output.FaultyCheckOutputSpecsTest.java Source code

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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 com.facebook.hiveio.output;

import com.facebook.hiveio.common.BackoffRetryTask;
import com.facebook.hiveio.common.FaultyThriftHiveMetastore;
import com.facebook.hiveio.common.HiveIOTestBase;
import com.facebook.hiveio.common.HiveMetastores;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.mapred.HackJobContext;
import org.apache.hadoop.mapred.HackTaskAttemptContext;
import org.apache.hadoop.mapred.JobConf;
import org.apache.hadoop.mapred.TaskAttemptID;
import org.apache.hadoop.mapreduce.JobContext;
import org.apache.hadoop.mapreduce.TaskAttemptContext;
import org.testng.annotations.Test;

import java.io.IOException;

import static org.testng.Assert.assertEquals;
import static org.testng.Assert.fail;

public class FaultyCheckOutputSpecsTest extends HiveIOTestBase {
    private final String PROFILE_ID = "x";

    @Test(expectedExceptions = IOException.class)
    public void testExceptionAfterTooManyRetriesWhenTableDoesNotExist() throws Exception {
        HiveMetastores.setTestClient(new FaultyThriftHiveMetastore(BackoffRetryTask.NUM_TRIES.getDefaultValue()));
        Configuration conf = new Configuration();
        conf.setLong(BackoffRetryTask.INITIAL_RETRY_DELAY_MSEC.getKey(), 100);
        HiveOutputDescription outputDesc = new HiveOutputDescription();
        outputDesc.getTableDesc().setTableName("doesnt-exist");
        OutputConf outputConf = new OutputConf(conf, PROFILE_ID);
        outputConf.writeOutputDescription(outputDesc);
        HiveApiOutputFormat outputFormat = new HiveApiOutputFormat();
        outputFormat.setMyProfileId(PROFILE_ID);
        JobConf jobConf = new JobConf(conf);
        TaskAttemptContext taskContext = new HackTaskAttemptContext(jobConf, new TaskAttemptID());
        JobContext jobContext = new HackJobContext(jobConf, taskContext.getJobID());

        outputFormat.checkOutputSpecs(jobContext);

        fail();
    }

    @Test
    public void testRecoveredFromFailuresAfterRetries() throws Exception {
        FaultyThriftHiveMetastore metastore = new FaultyThriftHiveMetastore(
                BackoffRetryTask.NUM_TRIES.getDefaultValue() - 1);

        Configuration conf = new Configuration();
        conf.setLong(BackoffRetryTask.INITIAL_RETRY_DELAY_MSEC.getKey(), 100);
        HiveOutputDescription outputDesc = new HiveOutputDescription();
        outputDesc.getTableDesc().setTableName("foo");
        OutputConf outputConf = new OutputConf(conf, PROFILE_ID);
        outputConf.writeOutputDescription(outputDesc);
        HiveApiOutputFormat outputFormat = new HiveApiOutputFormat();
        outputFormat.setMyProfileId(PROFILE_ID);
        JobConf jobConf = new JobConf(conf);
        TaskAttemptContext taskContext = new HackTaskAttemptContext(jobConf, new TaskAttemptID());
        JobContext jobContext = new HackJobContext(jobConf, taskContext.getJobID());

        HiveMetastores.setTestClient(metastore);

        outputFormat.checkOutputSpecs(jobContext);

        assertEquals(BackoffRetryTask.NUM_TRIES.getDefaultValue(), metastore.getNumCalls());
    }
}