com.linkedin.pinot.core.data.readers.CSVRecordReaderTest.java Source code

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Here is the source code for com.linkedin.pinot.core.data.readers.CSVRecordReaderTest.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.core.data.readers;

import java.io.File;
import java.io.FileWriter;
import org.apache.commons.csv.CSVFormat;
import org.apache.commons.csv.CSVPrinter;
import org.apache.commons.io.FileUtils;
import org.apache.commons.lang3.StringUtils;
import org.testng.annotations.AfterClass;
import org.testng.annotations.BeforeClass;
import org.testng.annotations.Test;

public class CSVRecordReaderTest extends RecordReaderTest {
    private static final File TEMP_DIR = new File(FileUtils.getTempDirectory(), "CSVRecordReaderTest");
    private static final File DATA_FILE = new File(TEMP_DIR, "data.csv");

    @BeforeClass
    public void setUp() throws Exception {
        FileUtils.forceMkdir(TEMP_DIR);

        try (FileWriter fileWriter = new FileWriter(DATA_FILE);
                CSVPrinter csvPrinter = new CSVPrinter(fileWriter, CSVFormat.DEFAULT.withHeader(COLUMNS))) {
            for (Object[] record : RECORDS) {
                csvPrinter.printRecord(record[0],
                        StringUtils.join((int[]) record[1], CSVRecordReaderConfig.DEFAULT_MULTI_VALUE_DELIMITER));
            }
        }
    }

    @Test
    public void testCSVRecordReader() throws Exception {
        try (CSVRecordReader recordReader = new CSVRecordReader(DATA_FILE, SCHEMA, new CSVRecordReaderConfig())) {
            checkValue(recordReader);
            recordReader.rewind();
            checkValue(recordReader);
        }
    }

    @Test
    public void testCSVRecordReaderWithDefaultConfig() throws Exception {
        try (CSVRecordReader recordReader = new CSVRecordReader(DATA_FILE, SCHEMA, null)) {
            checkValue(recordReader);
            recordReader.rewind();
            checkValue(recordReader);
        }
    }

    @AfterClass
    public void tearDown() throws Exception {
        FileUtils.forceDelete(TEMP_DIR);
    }
}