com.linkedin.pinot.server.integration.HelixStarterTest.java Source code

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Here is the source code for com.linkedin.pinot.server.integration.HelixStarterTest.java

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/**
 * Copyright (C) 2014-2016 LinkedIn Corp. (pinot-core@linkedin.com)
 *
 * Licensed 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.linkedin.pinot.server.integration;

import com.linkedin.pinot.common.data.DataManager;
import com.linkedin.pinot.core.indexsegment.columnar.ColumnarSegmentMetadataLoader;
import com.linkedin.pinot.core.indexsegment.generator.SegmentGeneratorConfig;
import com.linkedin.pinot.core.segment.creator.SegmentIndexCreationDriver;
import com.linkedin.pinot.core.segment.creator.impl.SegmentCreationDriverFactory;
import com.linkedin.pinot.server.conf.ServerConf;
import com.linkedin.pinot.server.starter.ServerInstance;
import com.linkedin.pinot.server.starter.helix.DefaultHelixStarterServerConfig;
import com.linkedin.pinot.server.util.SegmentTestUtils;
import com.linkedin.pinot.util.TestUtils;
import com.yammer.metrics.core.MetricsRegistry;
import java.io.File;
import java.util.concurrent.TimeUnit;
import org.apache.commons.configuration.Configuration;
import org.apache.commons.configuration.PropertiesConfiguration;
import org.apache.commons.io.FileUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.testng.Assert;
import org.testng.annotations.AfterClass;
import org.testng.annotations.BeforeClass;
import org.testng.annotations.Test;

public class HelixStarterTest {
    private static final Logger LOGGER = LoggerFactory.getLogger(HelixStarterTest.class);

    private static final String AVRO_DATA = "data/test_sample_data.avro";
    private static final File INDEX_DIR = new File(
            FileUtils.getTempDirectory() + File.separator + "HelixStarterTest");
    private static final ColumnarSegmentMetadataLoader columnarSegmentMetadataLoader = new ColumnarSegmentMetadataLoader();

    @BeforeClass
    public void setup() {
        FileUtils.deleteQuietly(INDEX_DIR);
        Assert.assertTrue(INDEX_DIR.mkdirs());
    }

    @Test
    public void testSingleHelixServerStartAndTakingSegment() throws Exception {
        Configuration pinotHelixProperties = new PropertiesConfiguration();
        pinotHelixProperties.addProperty("pinot.server.instance.id", "localhost:0000");
        ServerConf serverConf = DefaultHelixStarterServerConfig.getDefaultHelixServerConfig(pinotHelixProperties);
        ServerInstance serverInstance = new ServerInstance();
        serverInstance.init(serverConf, new MetricsRegistry());
        serverInstance.start();

        File segmentDir0 = new File(INDEX_DIR, "segment0");
        setupSegment(segmentDir0, "testTable0");
        File[] segment0Files = segmentDir0.listFiles();
        Assert.assertNotNull(segment0Files);
        File segmentDir1 = new File(INDEX_DIR, "segment1");
        setupSegment(segmentDir1, "testTable1");
        File[] segment1Files = segmentDir1.listFiles();
        Assert.assertNotNull(segment1Files);
        File segmentDir2 = new File(INDEX_DIR, "segment2");
        setupSegment(segmentDir2, "testTable2");
        File[] segment2Files = segmentDir2.listFiles();
        Assert.assertNotNull(segment2Files);

        DataManager instanceDataManager = serverInstance.getInstanceDataManager();
        instanceDataManager.addSegment(
                columnarSegmentMetadataLoader.loadIndexSegmentMetadataFromDir(segment0Files[0].getAbsolutePath()),
                null, null);
        instanceDataManager.addSegment(
                columnarSegmentMetadataLoader.loadIndexSegmentMetadataFromDir(segment1Files[0].getAbsolutePath()),
                null, null);
        instanceDataManager.addSegment(
                columnarSegmentMetadataLoader.loadIndexSegmentMetadataFromDir(segment2Files[0].getAbsolutePath()),
                null, null);
    }

    private void setupSegment(File segmentDir, String tableName) throws Exception {
        String filePath = TestUtils.getFileFromResourceUrl(getClass().getClassLoader().getResource(AVRO_DATA));
        SegmentGeneratorConfig config = SegmentTestUtils.getSegmentGenSpecWithSchemAndProjectedColumns(
                new File(filePath), segmentDir, TimeUnit.DAYS, tableName, null);
        SegmentIndexCreationDriver driver = SegmentCreationDriverFactory.get(null);
        driver.init(config);
        driver.build();

        LOGGER.info("Table: {} built at path: {}", tableName, segmentDir.getAbsolutePath());
    }

    @AfterClass
    public void tearDown() {
        FileUtils.deleteQuietly(INDEX_DIR);
    }
}