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Date: 1 Feb 2003 17:35:05 -0000
Message-ID: <20030201173505.13555.qmail@icarus.apache.org>
From: morgand@apache.org
To: jakarta-commons-sandbox-cvs@apache.org
Subject: cvs commit:
 jakarta-commons-sandbox/jelly/src/test/org/apache/commons/jelly/core
 TestIncludeTag.java

morgand     2003/02/01 09:35:05

  Added:       jelly/src/test/org/apache/commons/jelly/core
                        TestIncludeTag.java
  Log:
  renamed TestIncludedNested to TestIncludeTag, added test to insure
  that includes work correctly as files as well as classpath elements
  
  Revision  Changes    Path
  1.1                  jakarta-commons-sandbox/jelly/src/test/org/apache/commons/jelly/core/TestIncludeTag.java
  
  Index: TestIncludeTag.java
  ===================================================================
  /*
   * $Header: /home/cvs/jakarta-commons-sandbox/jelly/src/test/org/apache/commons/jelly/core/TestIncludeNesting.java,v 1.3 2002/12/11 12:41:00 jstrachan Exp $
   * $Revision: 1.3 $
   * $Date: 2002/12/11 12:41:00 $
   *
   * ====================================================================
   *
   * The Apache Software License, Version 1.1
   *
   * Copyright (c) 2002 The Apache Software Foundation.  All rights
   * reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   *
   * 1. Redistributions of source code must retain the above copyright
   *    notice, this list of conditions and the following disclaimer.
   *
   * 2. 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.
   *
   * 3. The end-user documentation included with the redistribution, if
   *    any, must include the following acknowlegement:
   *       "This product includes software developed by the
   *        Apache Software Foundation (http://www.apache.org/)."
   *    Alternately, this acknowlegement may appear in the software itself,
   *    if and wherever such third-party acknowlegements normally appear.
   *
   * 4. The names "The Jakarta Project", "Commons", and "Apache Software
   *    Foundation" must not be used to endorse or promote products derived
   *    from this software without prior written permission. For written
   *    permission, please contact apache@apache.org.
   *
   * 5. Products derived from this software may not be called "Apache"
   *    nor may "Apache" appear in their names without prior written
   *    permission of the Apache Group.
   *
   * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED 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 APACHE SOFTWARE FOUNDATION OR
   * ITS 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, WHETHER IN CONTRACT, STRICT LIABILITY,
   * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
   * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   * SUCH DAMAGE.
   * ====================================================================
   *
   * This software consists of voluntary contributions made by many
   * individuals on behalf of the Apache Software Foundation.  For more
   * information on the Apache Software Foundation, please see
   * <http://www.apache.org/>.
   * 
   * $Id: TestIncludeNesting.java,v 1.3 2002/12/11 12:41:00 jstrachan Exp $
   */
  package org.apache.commons.jelly.core;
  
  import java.net.URL;
  
  import junit.framework.TestCase;
  import junit.framework.TestSuite;
  
  import org.apache.commons.jelly.Jelly;
  import org.apache.commons.jelly.JellyContext;
  import org.apache.commons.jelly.Script;
  import org.apache.commons.jelly.TagLibrary;
  import org.apache.commons.jelly.XMLOutput;
  
  /**
   * Makes sure that nested includes work correctly
   * 
   * @author Morgan Delagrange
   * @version $Revision: 1.3 $
   */
  public class TestIncludeTag extends TestCase {
  
      Jelly jelly = null;
      JellyContext context = null;
      XMLOutput xmlOutput = null;
  
      public TestIncludeTag(String name) {
          super(name);
      }
  
      public static TestSuite suite() throws Exception {
          return new TestSuite(TestIncludeTag.class);        
      }
      
      public void setUp(String scriptName) throws Exception {
          URL url = this.getClass().getResource(scriptName);
          if ( url == null ) {
              throw new Exception( 
                  "Could not find Jelly script: " + scriptName 
                  + " in package of class: " + this.getClass().getName() 
              );
          }
          setUpFromURL(url);
      }
      
      public void setUpFromURL(URL url) throws Exception {
          context = new CoreTaglibOnlyContext();
          xmlOutput = XMLOutput.createDummyXMLOutput();
  
          jelly = new Jelly();
          
          jelly.setUrl(url);
  
          String exturl = url.toExternalForm();
          int lastSlash = exturl.lastIndexOf("/");
          String extBase = exturl.substring(0,lastSlash+1);
          URL baseurl = new URL(extBase);
          context.setCurrentURL(baseurl);
      }
      
      public void testInnermost() throws Exception {
          // performs no includes
          setUp("c.jelly");
          Script script = jelly.compileScript();
          script.run(context,xmlOutput);
          assertTrue("should have set 'c' variable to 'true'",
                     context.getVariable("c").equals("true"));
      }
  
      public void testMiddle() throws Exception {
          // performs one include
          setUp("b.jelly");
          Script script = jelly.compileScript();
          script.run(context,xmlOutput);
          assertTrue("should have set 'c' variable to 'true'",
                     context.getVariable("c").equals("true"));
          assertTrue("should have set 'b' variable to 'true'",
                     context.getVariable("b").equals("true"));
      }
  
      public void testOutermost() throws Exception {
          // performs one nested include
          setUp("a.jelly");
          Script script = jelly.compileScript();
          script.run(context,xmlOutput);
          assertTrue("should have set 'c' variable to 'true'",
                     context.getVariable("c").equals("true"));
          assertTrue("should have set 'b' variable to 'true'",
                     context.getVariable("b").equals("true"));
          assertTrue("should have set 'a' variable to 'true'",
                     context.getVariable("a").equals("true"));
      }
      
      /**
       * Insure that includes happen correctly when Jelly scripts
       * are referenced as a file (rather than as a classpath
       * element).  Specifically checks to make sure includes succeed
       * when the initial script is not in the user.dir directory.
       */
      public void testFileInclude() throws Exception {
          // testing outermost
          setUpFromURL(new URL("file:src/test/org/apache/commons/jelly/core/a.jelly"));
          Script script = jelly.compileScript();
          script.run(context,xmlOutput);
          assertTrue("should have set 'c' variable to 'true'",
                     context.getVariable("c").equals("true"));
          assertTrue("should have set 'b' variable to 'true'",
                     context.getVariable("b").equals("true"));
          assertTrue("should have set 'a' variable to 'true'",
                     context.getVariable("a").equals("true"));
      }
  
      private class CoreTaglibOnlyContext extends JellyContext {
  
          /**
           * This implementations makes sure that only "jelly:core"
           * taglib is instantiated, insuring that "optional" dependencies
           * are not inadvertantly called.  Specifically addresses a bug
           * in older Jelly dev versions where a nested include
           * would trigger instantiation of all tag libraries.
           * 
           * @param namespaceURI
           * @return 
           */
          public TagLibrary getTagLibrary(String namespaceURI)  {
              if (namespaceURI.equals("jelly:core")) {
                  return super.getTagLibrary(namespaceURI);
              } else {
                  throw new NoClassDefFoundError("Unexpected tag library uri: " + 
                                                     namespaceURI);
              }
          }
  
      }
  
  }
  
  
  

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