org.apache.gora.mapreduce.DataStoreMapReduceTestBase.java Source code

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Here is the source code for org.apache.gora.mapreduce.DataStoreMapReduceTestBase.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.gora.mapreduce;

import java.io.IOException;

import org.apache.gora.examples.generated.WebPage;
import org.apache.gora.store.DataStore;
import org.apache.hadoop.mapred.HadoopTestCase;
import org.apache.hadoop.mapred.JobConf;
import org.junit.Before;
import org.junit.Test;

// Slf4j logging imports
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * Base class for Mapreduce based tests. This is just a convenience
 * class, which actually only uses {@link MapReduceTestUtils} methods to
 * run the tests.
 */
public abstract class DataStoreMapReduceTestBase extends HadoopTestCase {
    public static final Logger LOG = LoggerFactory.getLogger(DataStoreMapReduceTestBase.class);

    private DataStore<String, WebPage> webPageStore;
    private JobConf job;

    public DataStoreMapReduceTestBase(int mrMode, int fsMode, int taskTrackers, int dataNodes) throws IOException {
        super(mrMode, fsMode, taskTrackers, dataNodes);
    }

    public DataStoreMapReduceTestBase() throws IOException {
        this(HadoopTestCase.CLUSTER_MR, HadoopTestCase.DFS_FS, 2, 2);
    }

    @Override
    @Before
    public void setUp() throws Exception {
        LOG.info("Setting up Hadoop Test Case...");
        try {
            super.setUp();
            webPageStore = createWebPageDataStore();
            job = createJobConf();
        } catch (Exception e) {
            LOG.error("Hadoop Test Case set up failed", e);
            // cleanup
            tearDown();
        }
    }

    @Override
    public void tearDown() throws Exception {
        LOG.info("Tearing down Hadoop Test Case...");
        webPageStore.close();
        super.tearDown();
    }

    protected abstract DataStore<String, WebPage> createWebPageDataStore() throws IOException;

    @Test
    public void testCountQuery() throws Exception {
        MapReduceTestUtils.testCountQuery(webPageStore, job);
    }

    // TODO The correct implementation for this test need to be created
    // and implemented. For a WIP and more details see GORA-104 
    // @Test
    // public void testWordCount() throws Exception {
    //   MapReduceTestUtils.testWordCount(job, tokenDatumStore, webPageStore);
    // }
}