/*
    * $Id: AjcXmlTaskTest.java,v 1.5 2011/07/29 20:20:17 oboehm Exp $
    *
    * Copyright (c) 2010 by Oliver Boehm
    *
    * Licensed 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 orimplied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   *
   * (c)reated 26.03.2010 by oliver (ob@oasd.de)
   */
  
  package patterntesting.tool.aspectj;
  
  import static org.junit.Assert.*;
  
  import java.io.*;
  
  import org.aspectj.tools.ant.taskdefs.AjcTask;
  import org.junit.Test;
  import org.slf4j.LoggerFactory;
  
  /**
   * This is the JUnit test for the AjcXml class.
   *
   * @author oliver
   * @since 1.0 (26.03.2010)
   */
  public final class AjcXmlTaskTest {
  
      private static final org.slf4j.Logger log = LoggerFactory.getLogger(AjcXmlTaskTest.class);
      private final AjcXmlTask compiler = new AjcXmlTask();
  
      /**
       * Test method for {@link patterntesting.tool.aspectj.AjcXmlTask#execute()}.
       * @throws IOException impossible
       */
      @Test
      public void testEmptyExecute() throws IOException {
          ByteArrayOutputStream baos = new ByteArrayOutputStream();
          compiler.setOutputStream(baos);
          compiler.execute();
          String xmlString = baos.toString();
          baos.close();
          checkXML(xmlString);
      }
  
      /**
       * We call the compiler task but did not set the OutputStream or Writer
       * here. The AjcXmlTask should do that for us.
       */
      @Test
      public void testGetResult() {
          compiler.execute();
          String xmlString = compiler.getResult();
          checkXML(xmlString);
      }
  
      private static void checkXML(final String xmlString) {
          log.debug(xmlString);
          assertTrue(xmlString, xmlString.trim().startsWith("<"));
      }
  
      /**
       * Test method for hasAspectjPath(). To test this method we manipulate the
       * classpath a little bit.
       *
       * @since 1.0
       */
      @Test
      public void testHasAspectjPath() {
          String classpath = System.getProperty("java.class.path");
          log.info("classpath=" + classpath);
          try {
              System.setProperty("java.class.path", "/tmp/aspectjrt.jar");
              assertTrue("aspectjrt.jar not recognized", AjcXmlTask
                      .hasAspectjPath());
              System.setProperty("java.class.path", "/tmp/aspectjrt-1.6.8.jar");
              assertTrue("aspectjrt-1.6.8.jar not recognized", AjcXmlTask
                      .hasAspectjPath());
          } finally {
              System.setProperty("java.class.path", classpath);
          }
      }
  
      /**
       * We should find the AspectJ runtime lib in the local maven repository.
       * Otherwise getApectjPathFromRepository() does not work correctly.
       *
       * @since 1.0
       */
     @Test
     public void testFindAspectjPath() {
         String classpath = System.getProperty("java.class.path");
         try {
             System.setProperty("java.class.path", ".");
             File jarFile = AjcXmlTask.findAspectjPath();
             log.info("aspectjrt.jar found: " + jarFile);
             assertTrue(jarFile + " not found", jarFile.exists());
         } finally {
             System.setProperty("java.class.path", classpath);
         }
 
     }
 
     /**
      * The AjcTask offers findAspectjtoolsJar(). This is tested here.
      * @since 1.0
      */
     @Test
     public void testFindAspectjtoolsJar() {
         File aspectjtoolsJar = AjcTask.findAspectjtoolsJar();
         log.info("aspectjtoolsJar=" + aspectjtoolsJar);
         assertNotNull(aspectjtoolsJar);
         assertTrue(aspectjtoolsJar + " not found", aspectjtoolsJar.exists());
     }
 
 }