package org.apache.torque.generator.control;
   
   /*
    * 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.
   */
  
  import static org.junit.Assert.assertEquals;
  import static org.junit.Assert.assertTrue;
  
  import java.io.File;
  import java.io.FileReader;
  import java.util.ArrayList;
  import java.util.List;
  
  import org.apache.commons.io.FileUtils;
  import org.apache.torque.generator.BaseTest;
  import org.apache.torque.generator.configuration.UnitDescriptor;
  import org.apache.torque.generator.configuration.paths.CustomProjectPaths;
  import org.apache.torque.generator.configuration.paths.DefaultTorqueGeneratorPaths;
  import org.apache.torque.generator.configuration.paths.Maven2DirectoryProjectPaths;
  import org.junit.Test;
  
  /**
   * Tests nested mergepoints in a depth of 10 calls, and checks that the
   * outcome is correct.
   */
  public class DeeplyNestedMergepointsTest extends BaseTest
  {
      @Test
      public void testDeeplyNestedMergepointsGeneration() throws Exception
      {
          File targetDir = new File("target/test/deeplyNestedMergepoints");
          FileUtils.deleteDirectory(targetDir);
          Controller controller = new Controller();
          List<UnitDescriptor> unitDescriptors = new ArrayList<UnitDescriptor>();
          CustomProjectPaths projectPaths = new CustomProjectPaths(
                  new Maven2DirectoryProjectPaths(
                          new File("src/test/deeplyNestedMergepoints")));
          projectPaths.setOutputDirectory(null, targetDir);
          unitDescriptors.add(new UnitDescriptor(
                  UnitDescriptor.Packaging.DIRECTORY,
                  projectPaths,
                  new DefaultTorqueGeneratorPaths()));
          controller.run(unitDescriptors);
  
          assertTrue(targetDir.exists());
          File targetFile = new File(targetDir, "output.txt");
          assertTrue(targetFile.exists());
  
          FileReader fileReader = new FileReader(targetFile);
          StringBuilder content = new StringBuilder();
          int readChars;
          char[] buffer = new char[50];
          do
          {
              readChars = fileReader.read(buffer);
              if (readChars != -1)
              {
                  content.append(buffer, 0, readChars);
              }
          }
          while (readChars != -1);
          assertEquals("content", content.toString());
      }
  }