content: /**
   * 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.filter;
  
  import java.io.File;
  import java.io.IOException;
  import java.util.concurrent.Callable;
  
  import javax.validation.ConstraintViolationException;
  
  import org.junit.Assert;
  import org.junit.Before;
  import org.junit.Rule;
  import org.junit.Test;
  import org.junit.rules.TestWatcher;
  import org.junit.runner.Description;
  
  import org.apache.commons.io.FileUtils;
  import org.apache.hadoop.conf.Configuration;
  
  import com.datatorrent.api.LocalMode;
  import com.datatorrent.stram.StramLocalCluster;
  
  /**
   * Test the DAG declaration in local mode.
   */
  public class ApplicationTest
  {
    private String outputDir;
  
    public static class TestMeta extends TestWatcher
    {
      public String baseDirectory;
  
      @Override
      protected void starting(org.junit.runner.Description description)
      {
        this.baseDirectory = "target/" + description.getClassName() + "/" + description.getMethodName();
      }
  
      @Override
      protected void finished(Description description)
      {
        super.finished(description);
        try {
          FileUtils.forceDelete(new File(baseDirectory));
        } catch (IOException e) {
          e.printStackTrace();
        }
      }
    }
  
    @Rule
    public TestMeta testMeta = new TestMeta();
  
    @Before
    public void setup() throws Exception
    {
      outputDir = testMeta.baseDirectory + File.separator + "output";
    }
  
    @Test
    public void testApplication() throws IOException, Exception
    {
      try {
        LocalMode lma = LocalMode.newInstance();
        Configuration conf = new Configuration(false);
        conf.addResource(this.getClass().getResourceAsStream("/META-INF/properties.xml"));
        conf.set("dt.application.FilterExample.operator.selectedOutput.prop.filePath", outputDir);
        conf.set("dt.application.FilterExample.operator.rejectedOutput.prop.filePath", outputDir);
        final File selectedfile = FileUtils.getFile(outputDir, "selected.txt_8.0");
        final File rejectedfile = FileUtils.getFile(outputDir, "rejected.txt_6.0");
  
        lma.prepareDAG(new Application(), conf);
        LocalMode.Controller lc = lma.getController();
  
        ((StramLocalCluster)lc).setExitCondition(new Callable<Boolean>()
        {
          @Override
          public Boolean call() throws Exception
          {
            if (selectedfile.exists() && rejectedfile.exists()) {
              return true;
            }
            return false;
          }
        });
  
      } catch (ConstraintViolationException e) {
        Assert.fail("constraint violations: " + e.getConstraintViolations());
      }
    }
  }
  