gobblin.compaction.mapreduce.MRCompactorJobRunnerFilenameRecordCountProviderTest.java Source code

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Here is the source code for gobblin.compaction.mapreduce.MRCompactorJobRunnerFilenameRecordCountProviderTest.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 gobblin.compaction.mapreduce;

import java.io.IOException;
import java.util.regex.Pattern;

import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.fs.Path;
import org.testng.Assert;
import org.testng.annotations.Test;

import com.google.common.io.Files;

import gobblin.util.RecordCountProvider;
import gobblin.util.recordcount.IngestionRecordCountProvider;
import gobblin.util.recordcount.LateFileRecordCountProvider;

/**
 * Tests for {@link MRCompactorJobRunner.FileNameFormat}.
 */
@Test(groups = { "gobblin.compaction.mapreduce" })
public class MRCompactorJobRunnerFilenameRecordCountProviderTest {

    @Test
    public void testFileNameRecordCountProvider() throws IOException {
        String originalFilename = "test.123.avro";
        String suffixPattern = Pattern.quote(".late") + "[\\d]*";

        Path testDir = new Path("/tmp/compactorFilenameRecordCountProviderTest");
        FileSystem fs = FileSystem.getLocal(new Configuration());
        try {
            if (fs.exists(testDir)) {
                fs.delete(testDir, true);
            }
            fs.mkdirs(testDir);

            RecordCountProvider originFileNameFormat = new IngestionRecordCountProvider();

            LateFileRecordCountProvider lateFileRecordCountProvider = new LateFileRecordCountProvider(
                    originFileNameFormat);

            Path firstOutput = lateFileRecordCountProvider.constructLateFilePath(originalFilename, fs, testDir);

            Assert.assertEquals(new Path(testDir, originalFilename), firstOutput);
            Assert.assertEquals(123, lateFileRecordCountProvider.getRecordCount(firstOutput));

            fs.create(firstOutput);
            Pattern pattern1 = Pattern.compile(
                    Pattern.quote(Files.getNameWithoutExtension(originalFilename)) + suffixPattern + "\\.avro");
            Path secondOutput = lateFileRecordCountProvider.constructLateFilePath(firstOutput.getName(), fs,
                    testDir);
            Assert.assertEquals(testDir, secondOutput.getParent());
            Assert.assertTrue(pattern1.matcher(secondOutput.getName()).matches());
            Assert.assertEquals(123, lateFileRecordCountProvider.getRecordCount(secondOutput));

            fs.create(secondOutput);
            Pattern pattern2 = Pattern.compile(
                    Files.getNameWithoutExtension(originalFilename) + suffixPattern + suffixPattern + "\\.avro");
            Path thirdOutput = lateFileRecordCountProvider.constructLateFilePath(secondOutput.getName(), fs,
                    testDir);
            Assert.assertEquals(testDir, thirdOutput.getParent());
            Assert.assertTrue(pattern2.matcher(thirdOutput.getName()).matches());
            Assert.assertEquals(123, lateFileRecordCountProvider.getRecordCount(thirdOutput));
        } finally {
            fs.delete(testDir, true);
        }
    }
}