org.apache.hadoop.chukwa.datacollection.writer.solr.TestSolrWriter.java Source code

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Here is the source code for org.apache.hadoop.chukwa.datacollection.writer.solr.TestSolrWriter.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.hadoop.chukwa.datacollection.writer.solr;

import java.util.ArrayList;

import org.apache.hadoop.chukwa.Chunk;
import org.apache.hadoop.chukwa.ChunkImpl;
import org.apache.hadoop.chukwa.util.ExceptionUtil;
import org.apache.log4j.Logger;
import org.apache.solr.SolrJettyTestBase;
import org.apache.solr.client.solrj.SolrQuery;
import org.apache.solr.client.solrj.embedded.EmbeddedSolrServer;
import org.apache.solr.client.solrj.response.QueryResponse;
import org.apache.solr.core.CoreContainer;

import junit.framework.Assert;

public class TestSolrWriter extends SolrJettyTestBase {
    private static Logger log = Logger.getLogger(TestSolrWriter.class);
    CoreContainer container;

    public void setUp() {
        try {
            String dataDir = System.getProperty("CHUKWA_DATA_DIR", "target/test/var");
            container = new CoreContainer(dataDir);
            container.load();

            server = new EmbeddedSolrServer(container, "collection1");
            super.setUp();
        } catch (Exception e) {
            log.error(ExceptionUtil.getStackTrace(e));
            Assert.fail(e.getMessage());
        }
    }

    public void tearDown() throws Exception {
        if (server != null) {
            server.shutdown();
        }
        super.tearDown();
    }

    /**
     * Test adding a chunk to solr cloud, then query for the same chunk.
     */
    public void testCommit() {
        ArrayList<Chunk> chunks = new ArrayList<Chunk>();
        chunks.add(new ChunkImpl("Hadoop", "namenode", System.currentTimeMillis(), "This is a test.".getBytes(),
                null));
        try {
            QueryResponse rsp = server.query(new SolrQuery("*:*"));
            Assert.assertEquals(0, rsp.getResults().getNumFound());

            SolrWriter sw = new SolrWriter();
            sw.add(chunks);

            // TODO: not a great way to test this - timing is easily out
            // of whack due to parallel tests and various computer specs/load
            Thread.sleep(1000); // wait 1 sec

            // now check that it comes out...
            rsp = server.query(new SolrQuery("data:test"));

            int cnt = 0;
            while (rsp.getResults().getNumFound() == 0) {
                // wait and try again for slower/busier machines
                // and/or parallel test effects.

                if (cnt++ == 10) {
                    break;
                }

                Thread.sleep(2000); // wait 2 seconds...

                rsp = server.query(new SolrQuery("data:test"));
            }

            Assert.assertEquals(1, rsp.getResults().getNumFound());

        } catch (Exception e) {

        }
    }
}