com.cloudera.knittingboar.conf.cmdline.TestDataConverterDriver.java Source code

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Here is the source code for com.cloudera.knittingboar.conf.cmdline.TestDataConverterDriver.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 com.cloudera.knittingboar.conf.cmdline;

import java.io.File;
import java.io.IOException;
import java.io.PrintWriter;
import java.io.StringWriter;

import org.apache.commons.io.FileUtils;

import junit.framework.TestCase;

import com.cloudera.knittingboar.utils.DataUtils;

public class TestDataConverterDriver extends TestCase {

    public void testBasics() throws Exception {
        File twentyNewsGroupDataDir = DataUtils.getTwentyNewsGroupDir();
        File inputDir = new File(twentyNewsGroupDataDir, "20news-bydate-train");
        File outputDir = new File(twentyNewsGroupDataDir, "20news-bydate-converted");
        FileUtils.deleteQuietly(outputDir);
        if (!(outputDir.isDirectory() || outputDir.mkdir())) {
            throw new IOException("Could not mkdir " + outputDir);
        }
        StringWriter sw = new StringWriter();
        PrintWriter pw = new PrintWriter(sw, true);
        String[] params = new String[] { "--input", inputDir.getAbsolutePath() + "/", "--output",
                outputDir.getAbsolutePath() + "/", "--recordsPerBlock", "2000" };
        DataConverterCmdLineDriver.mainToOutput(params, pw);
        String trainOut = sw.toString();
        assertTrue(trainOut.contains("Total Records Converted: 11314"));
        File[] files = outputDir.listFiles();
        for (int x = 0; x < files.length; x++) {
            System.out.println(files[x].toString());
        }
        assertEquals(6, files.length);
    }
}