org.apache.apex.examples.csvformatter.ApplicationTest.java Source code

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Here is the source code for org.apache.apex.examples.csvformatter.ApplicationTest.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 org.apache.apex.examples.csvformatter;

import java.io.File;
import java.io.IOException;
import java.util.Collection;

import javax.validation.ConstraintViolationException;

import org.junit.AfterClass;
import org.junit.Assert;
import org.junit.Test;

import org.apache.commons.io.FileUtils;
import org.apache.hadoop.conf.Configuration;

import com.datatorrent.api.LocalMode;

/**
 * Test the DAG declaration in local mode.
 */
public class ApplicationTest {

    private static final String FILE_NAME = "/tmp/formatterApp";

    @AfterClass
    public static void cleanup() {
        try {
            FileUtils.deleteDirectory(new File(FILE_NAME));
        } catch (IOException e) {
            throw new RuntimeException(e);
        }
    }

    @Test
    public void testApplication() throws Exception {
        try {
            LocalMode lma = LocalMode.newInstance();
            Configuration conf = new Configuration(false);
            conf.addResource(this.getClass().getResourceAsStream("/META-INF/properties.xml"));
            lma.prepareDAG(new Application(), conf);
            LocalMode.Controller lc = lma.getController();
            lc.runAsync();

            // wait for output files to roll
            Thread.sleep(5000);

            String[] extensions = { "dat.0", "tmp" };
            Collection<File> list = FileUtils.listFiles(new File(FILE_NAME), extensions, false);

            for (File file : list) {
                for (String line : FileUtils.readLines(file)) {
                    Assert.assertEquals("Delimiter in record", true,
                            (line.equals("1234|0|SimpleCsvFormatterExample|10000.0|||APEX|false|false||")));
                }
            }

        } catch (ConstraintViolationException e) {
            Assert.fail("constraint violations: " + e.getConstraintViolations());
        }
    }

}