org.apache.ivory.converter.OozieFeedMapperTest.java Source code

Introduction

Here is the source code for org.apache.ivory.converter.OozieFeedMapperTest.java

Source

/*
 * 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.ivory.converter;

import java.util.Collection;
import java.util.List;

import javax.xml.bind.Unmarshaller;

import junit.framework.Assert;

import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.hdfs.MiniDFSCluster;
import org.apache.ivory.IvoryException;
import org.apache.ivory.entity.ClusterHelper;
import org.apache.ivory.entity.store.ConfigurationStore;
import org.apache.ivory.entity.v0.Entity;
import org.apache.ivory.entity.v0.EntityType;
import org.apache.ivory.entity.v0.cluster.Cluster;
import org.apache.ivory.entity.v0.cluster.Interfacetype;
import org.apache.ivory.entity.v0.feed.Feed;
import org.apache.ivory.oozie.coordinator.COORDINATORAPP;
import org.apache.ivory.oozie.coordinator.SYNCDATASET;
import org.testng.annotations.AfterClass;
import org.testng.annotations.BeforeClass;
import org.testng.annotations.Test;

public class OozieFeedMapperTest {
    private MiniDFSCluster srcMiniDFS;
    private MiniDFSCluster trgMiniDFS;
    ConfigurationStore store = ConfigurationStore.get();
    Cluster srcCluster;
    Cluster trgCluster;
    Feed feed;

    private static final String SRC_CLUSTER_PATH = "/src-cluster.xml";
    private static final String TRG_CLUSTER_PATH = "/trg-cluster.xml";
    private static final String FEED = "/feed.xml";

    @BeforeClass
    public void setUpDFS() throws Exception {
        Configuration conf = new Configuration();
        System.setProperty("test.build.data", "target/" + "cluster1" + "/data");
        srcMiniDFS = new MiniDFSCluster(conf, 1, true, null);
        String srcHdfsUrl = conf.get("fs.default.name");

        System.setProperty("test.build.data", "target/" + "cluster2" + "/data");
        conf = new Configuration();
        trgMiniDFS = new MiniDFSCluster(conf, 1, true, null);
        String trgHdfsUrl = conf.get("fs.default.name");

        cleanupStore();

        srcCluster = (Cluster) storeEntity(EntityType.CLUSTER, SRC_CLUSTER_PATH);
        ClusterHelper.getInterface(srcCluster, Interfacetype.WRITE).setEndpoint(srcHdfsUrl);

        trgCluster = (Cluster) storeEntity(EntityType.CLUSTER, TRG_CLUSTER_PATH);
        ClusterHelper.getInterface(trgCluster, Interfacetype.WRITE).setEndpoint(trgHdfsUrl);

        feed = (Feed) storeEntity(EntityType.FEED, FEED);

    }

    protected Entity storeEntity(EntityType type, String path) throws Exception {
        Unmarshaller unmarshaller = type.getUnmarshaller();
        Entity entity = (Entity) unmarshaller.unmarshal(OozieFeedMapperTest.class.getResource(path));
        store.publish(type, entity);
        return entity;
    }

    protected void cleanupStore() throws IvoryException {
        for (EntityType type : EntityType.values()) {
            Collection<String> entities = store.getEntities(type);
            for (String entity : entities)
                store.remove(type, entity);
        }
    }

    @AfterClass
    public void stopDFS() {
        srcMiniDFS.shutdown();
        trgMiniDFS.shutdown();
    }

    @Test
    public void testReplicationCoords() throws IvoryException {
        OozieFeedMapper feedMapper = new OozieFeedMapper(feed);
        List<COORDINATORAPP> coords = feedMapper.getCoordinators(trgCluster, new Path("/projects/ivory/"));
        COORDINATORAPP coord = coords.get(0);

        Assert.assertEquals("${nameNode}/projects/ivory/REPLICATION", coord.getAction().getWorkflow().getAppPath());
        Assert.assertEquals("IVORY_FEED_REPLICATION_" + feed.getName() + "_" + srcCluster.getName(),
                coord.getName());
        Assert.assertEquals("${coord:minutes(20)}", coord.getFrequency());
        SYNCDATASET inputDataset = (SYNCDATASET) coord.getDatasets().getDatasetOrAsyncDataset().get(0);
        SYNCDATASET outputDataset = (SYNCDATASET) coord.getDatasets().getDatasetOrAsyncDataset().get(1);

        Assert.assertEquals("${coord:minutes(20)}", inputDataset.getFrequency());
        Assert.assertEquals("input-dataset", inputDataset.getName());
        Assert.assertEquals(
                ClusterHelper.getHdfsUrl(srcCluster)
                        + "/examples/input-data/rawLogs/${YEAR}/${MONTH}/${DAY}/${HOUR}/${MINUTE}",
                inputDataset.getUriTemplate());

        Assert.assertEquals("${coord:minutes(20)}", outputDataset.getFrequency());
        Assert.assertEquals("output-dataset", outputDataset.getName());
        Assert.assertEquals(
                "${nameNode}" + "/examples/input-data/rawLogs/${YEAR}/${MONTH}/${DAY}/${HOUR}/${MINUTE}",
                outputDataset.getUriTemplate());

    }
}