test/unit/org/apache/cassandra/io/sstable/CQLSSTableWriterClientTest.java

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 * 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
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package org.apache.cassandra.io.sstable;

import java.io.File;
import java.io.FilenameFilter;
import java.io.IOException;

import com.google.common.io.Files;
import org.apache.commons.lang.ArrayUtils;
import org.junit.After;
import org.junit.AfterClass;
import org.junit.Before;
import org.junit.Test;

import org.apache.cassandra.config.Config;
import org.apache.cassandra.exceptions.InvalidRequestException;
import org.apache.cassandra.io.util.FileUtils;
import org.apache.cassandra.tools.Util;

import static org.junit.Assert.assertEquals;

public class CQLSSTableWriterClientTest
{
    private File testDirectory;

    @Before
    public void setUp()
    {
        this.testDirectory = Files.createTempDir();
        Util.initDatabaseDescriptor();
        Config.setClientMode(true);
    }

    @After
    public void tearDown()
    {
        FileUtils.deleteRecursive(this.testDirectory);
    }

    @AfterClass
    public static void cleanup() throws Exception
    {
        Config.setClientMode(false);
    }

    @Test
    public void testWriterInClientMode() throws IOException, InvalidRequestException
    {
        final String TABLE1 = "table1";
        final String TABLE2 = "table2";

        String schema = "CREATE TABLE client_test.%s ("
                            + "  k int PRIMARY KEY,"
                            + "  v1 text,"
                            + "  v2 int"
                            + ")";
        String insert = "INSERT INTO client_test.%s (k, v1, v2) VALUES (?, ?, ?)";

        CQLSSTableWriter writer = CQLSSTableWriter.builder()
                                                  .inDirectory(this.testDirectory)
                                                  .forTable(String.format(schema, TABLE1))
                                                  .using(String.format(insert, TABLE1)).build();

        CQLSSTableWriter writer2 = CQLSSTableWriter.builder()
                                                   .inDirectory(this.testDirectory)
                                                   .forTable(String.format(schema, TABLE2))
                                                   .using(String.format(insert, TABLE2)).build();

        writer.addRow(0, "A", 0);
        writer2.addRow(0, "A", 0);
        writer.addRow(1, "B", 1);
        writer2.addRow(1, "B", 1);
        writer.close();
        writer2.close();

        FilenameFilter filter = (dir, name) -> name.endsWith("-Data.db");

        File[] dataFiles = (File[])ArrayUtils.addAll(writer2.getInnermostDirectory().listFiles(filter),
                                                     writer.getInnermostDirectory().listFiles(filter));
        assertEquals(2, dataFiles.length);
    }
}