root/trunk/test/java/org/jcoderz/commons/taskdefs/LogMessageGeneratorTest.java

/*
 * $Id$
 *
 * Copyright 2006, The jCoderZ.org Project. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *
 *    * Redistributions of source code must retain the above copyright
 *      notice, this list of conditions and the following disclaimer.
 *    * Redistributions in binary form must reproduce the above
 *      copyright notice, this list of conditions and the following
 *      disclaimer in the documentation and/or other materials
 *      provided with the distribution.
 *    * Neither the name of the jCoderZ.org Project nor the names of
 *      its contributors may be used to endorse or promote products
 *      derived from this software without specific prior written
 *      permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS" AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS AND CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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 */
package org.jcoderz.commons.taskdefs;

import java.io.File;
import org.apache.tools.ant.BuildException;
import org.apache.tools.ant.Location;
import org.apache.tools.ant.Project;
import org.jcoderz.commons.TestCase;


/**
 * JUnit test for the Ant task
 * {@link org.jcoderz.commons.taskdefs.LogMessageGenerator}.
 *
 * @author Michael Griffel
 */
public class LogMessageGeneratorTest
      extends TestCase
{
   private LogMessageGenerator mGenerator;
   private File mDestDir;

   /** {@inheritDoc} */
   protected void setUp ()
         throws Exception
   {
      super.setUp();
      mDestDir =  mkdir("build/test");
      final File in = new File(getBaseDir(), "test/xml/log-message-info.xml");
      final File out = new File(mDestDir, "log-message-info.out");
      final LogMessageGenerator g = new LogMessageGenerator();
      g.setApplication("FawkeZ");
      g.setDestdir(mDestDir);
      g.setForce(true);
      g.setIn(in);
      g.setOut(out);
      g.setTaskName("test-message-generator");
      g.setFailonerror(true);
      g.setLocation(new Location("location"));

      final Project project = new Project();
      project.setBaseDir(getBaseDir());
      project.setName("JUnit test");
      g.setProject(project);
      mGenerator = g;
   }

   /** Tests the Ant task. */
   public void testExecute ()
   {
      mGenerator.execute();

      final File testFile = new File(mDestDir,
            "org/jcoderz/commons/TstLogMessage.java");
      assertTrue("Generated Java File " + testFile + " exists",
            testFile.exists());
   }

   /** Tests the Ant task. */
   public void testExecuteBadInFile ()
   {
      mGenerator.setIn(null);
      executeAndExpectBuildException("missing input file.");
      mGenerator.setIn(new File("foo"));
      executeAndExpectBuildException("non existing input file.");
      mGenerator.setIn(new File(getBaseDir(), "build.xml"));
      executeAndExpectBuildException("bogus input file.");
   }

   /** Tests the Ant task. */
   public void testExecuteBadDestDir ()
   {
      mGenerator.setDestdir(null);
      executeAndExpectBuildException("missing destination directory.");
   }

   /** Tests the Ant task. */
   public void testExecuteBadOutFile ()
   {
      mGenerator.setOut(null);
      executeAndExpectBuildException("missing out file.");
   }

   /** Tests the Ant task. */
   public void testExecuteBadApplicationName ()
   {
      mGenerator.setApplication(null);
      executeAndExpectBuildException("missing out file.");
      mGenerator.setApplication("bogus");
      executeAndExpectBuildException("non-existing application name.");
   }

   /** Tests the Ant task. */
   public void testExecuteBadXslFile ()
   {
      mGenerator.setXsl("bogus.xsl"); // -> use default stylesheet 
   }

   /**
    * @param g
    */
   private void executeAndExpectBuildException (String msg)
   {
      try
      {
         mGenerator.execute();
         fail("Expected BuildException for " + msg);
      }
      catch (BuildException expected)
      {
         // expected
          System.err.println("" + expected);
          expected.printStackTrace();
      }
   }

   static File mkdir (String relativePath)
   {
      final File dir = new File(getBaseDir(), relativePath);
      if (!dir.exists())
      {
         if (!dir.mkdirs())
         {
            fail("Cannot create destination directory " + dir);
         }
      }
      return dir;
   }

}