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From rdon...@apache.org
Subject cvs commit: jakarta-commons/digester/src/test/org/apache/commons/digester/plugins TestConfigurablePluginAttributes.java
Date Wed, 12 Nov 2003 23:20:29 GMT
rdonkin     2003/11/12 15:20:29

  Added:       digester/src/test/org/apache/commons/digester/plugins
                        TestConfigurablePluginAttributes.java
  Log:
  Test for support for xml attribute specifying the plugin declaration clas. Submitted by
Simon Kitching.
  
  Revision  Changes    Path
  1.1                  jakarta-commons/digester/src/test/org/apache/commons/digester/plugins/TestConfigurablePluginAttributes.java
  
  Index: TestConfigurablePluginAttributes.java
  ===================================================================
  /*
   * $Header: /home/cvs/jakarta-commons/digester/src/test/org/apache/commons/digester/plugins/TestConfigurablePluginAttributes.java,v
1.1 2003/11/12 23:20:29 rdonkin Exp $
   * $Revision: 1.1 $
   * $Date: 2003/11/12 23:20:29 $
   *
   * ====================================================================
   * 
   * The Apache Software License, Version 1.1
   *
   * Copyright (c) 2001-2003 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
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   * 3. The end-user documentation included with the redistribution,
   *    if any, must include the following acknowledgement:  
   *       "This product includes software developed by the 
   *        Apache Software Foundation (http://www.apache.org/)."
   *    Alternately, this acknowledgement may appear in the software itself,
   *    if and wherever such third-party acknowledgements normally appear.
   *
   * 4. The names "Apache", "The Jakarta Project", "Commons", and "Apache Software
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   * 5. Products derived from this software may not be called "Apache",
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   */ 
  
  
  package org.apache.commons.digester.plugins;
  
  import java.util.List;
  import java.util.LinkedList;
  import java.util.Iterator;
  
  import junit.framework.Test;
  import junit.framework.TestCase;
  import junit.framework.TestSuite;
  
  import org.apache.commons.digester.*;
  import org.apache.commons.digester.plugins.*;
  
  /**
   * Test cases for functionality which sets what xml attributes specify
   * the plugin class or plugin declaration id.
   */
  
  public class TestConfigurablePluginAttributes extends TestCase {
      /** Standard constructor */
      public TestConfigurablePluginAttributes(String name) { 
          super(name);
      }
  
      /** Set up instance variables required by this test case. */
      public void setUp() {}
  
      /** Return the tests included in this test suite. */
      public static Test suite() {
  
          return (new TestSuite(TestConfigurablePluginAttributes.class));
  
      }
  
      /** Tear down instance variables required by this test case.*/
      public void tearDown() {}
          
      // --------------------------------------------------------------- Test cases
      
      public void testDefaultBehaviour() throws Exception {
          // tests that by default the attributes used are 
          // named "plugin-class" and "plugin-id"
  
          Digester digester = new Digester();
          digester.setNamespaceAware(true);
          PluginRules rc = new PluginRules();
          digester.setRules(rc);
          
          PluginDeclarationRule pdr = new PluginDeclarationRule();
          digester.addRule("root/plugin", pdr);
          
          PluginCreateRule widgetPluginRule = new PluginCreateRule(Widget.class);
          digester.addRule("root/widget", widgetPluginRule);
          digester.addSetNext("root/widget", "addWidget");
  
          PluginCreateRule gadgetPluginRule = new PluginCreateRule(Widget.class);
          digester.addRule("root/gadget", gadgetPluginRule);
          digester.addSetNext("root/gadget", "addGadget");
  
          MultiContainer root = new MultiContainer();
          digester.push(root);
          
          try {
              digester.parse(
                  TestAll.getInputStream(this, "test7.xml"));
  
          } catch(Exception e) {
              throw e;
          }
  
          Object child;
          
          List widgets = root.getWidgets();
          assertTrue(widgets != null);
          assertEquals(4, widgets.size());
  
          assertEquals(TextLabel.class, widgets.get(0).getClass());
          assertEquals(TextLabel.class, widgets.get(1).getClass());
          assertEquals(TextLabel.class, widgets.get(2).getClass());
          assertEquals(TextLabel.class, widgets.get(3).getClass());
          
          List gadgets = root.getGadgets();
          assertTrue(gadgets != null);
          assertEquals(4, gadgets.size());
  
          assertEquals(TextLabel.class, gadgets.get(0).getClass());
          assertEquals(TextLabel.class, gadgets.get(1).getClass());
          assertEquals(TextLabel.class, gadgets.get(2).getClass());
          assertEquals(TextLabel.class, gadgets.get(3).getClass());
      }
      
      public void testGlobalOverride() throws Exception {
          // Tests that using setDefaultPluginXXXX overrides behaviour for all
          // PluginCreateRule instances. Also tests specifying attributes
          // with "null" for namespace (ie attributes not in any namespace).
          //
          // note that in order not to screw up all other tests, we need
          // to reset the global names after we finish here!
  
          Digester digester = new Digester();
          digester.setNamespaceAware(true);
          PluginRules rc = new PluginRules();
          digester.setRules(rc);
  
          PluginCreateRule.setGlobalPluginIdAttribute(null, "id");
          PluginCreateRule.setGlobalPluginClassAttribute(null, "class");
       
          try {
              PluginDeclarationRule pdr = new PluginDeclarationRule();
              digester.addRule("root/plugin", pdr);
              
              PluginCreateRule widgetPluginRule = new PluginCreateRule(Widget.class);
              digester.addRule("root/widget", widgetPluginRule);
              digester.addSetNext("root/widget", "addWidget");
      
              PluginCreateRule gadgetPluginRule = new PluginCreateRule(Widget.class);
              digester.addRule("root/gadget", gadgetPluginRule);
              digester.addSetNext("root/gadget", "addGadget");
      
              MultiContainer root = new MultiContainer();
              digester.push(root);
              
              try {
                  digester.parse(
                      TestAll.getInputStream(this, "test7.xml"));
                      
              } catch(Exception e) {
                  throw e;
              }
      
              Object child;
              
              List widgets = root.getWidgets();
              assertTrue(widgets != null);
              assertEquals(4, widgets.size());
      
              assertEquals(Slider.class, widgets.get(0).getClass());
              assertEquals(Slider.class, widgets.get(1).getClass());
              assertEquals(Slider.class, widgets.get(2).getClass());
              assertEquals(Slider.class, widgets.get(3).getClass());
              
              List gadgets = root.getGadgets();
              assertTrue(gadgets != null);
              assertEquals(4, gadgets.size());
      
              assertEquals(Slider.class, gadgets.get(0).getClass());
              assertEquals(Slider.class, gadgets.get(1).getClass());
              assertEquals(Slider.class, gadgets.get(2).getClass());
              assertEquals(Slider.class, gadgets.get(3).getClass());
          } finally {
              // reset the global values to their defaults
              PluginCreateRule.setGlobalPluginIdAttribute(
                  PluginCreateRule.GLOBAL_PLUGIN_ID_ATTR_NS,
                  PluginCreateRule.GLOBAL_PLUGIN_ID_ATTR);
                  
              PluginCreateRule.setGlobalPluginClassAttribute(
                  PluginCreateRule.GLOBAL_PLUGIN_CLASS_ATTR_NS,
                  PluginCreateRule.GLOBAL_PLUGIN_CLASS_ATTR);
          }
      }
      
      public void testInstanceOverride() throws Exception {
          // Tests that using setPluginXXXX overrides behaviour for only
          // that particular PluginCreateRule instance. Also tests that
          // attributes can be in namespaces.
  
          Digester digester = new Digester();
          digester.setNamespaceAware(true);
          PluginRules rc = new PluginRules();
          digester.setRules(rc);
  
          PluginDeclarationRule pdr = new PluginDeclarationRule();
          digester.addRule("root/plugin", pdr);
          
          PluginCreateRule widgetPluginRule = new PluginCreateRule(Widget.class);
          widgetPluginRule.setPluginIdAttribute(
              "http://jakarta.apache.org/digester/plugins", "id");
          widgetPluginRule.setPluginClassAttribute(
              "http://jakarta.apache.org/digester/plugins", "class");
          digester.addRule("root/widget", widgetPluginRule);
          digester.addSetNext("root/widget", "addWidget");
  
          PluginCreateRule gadgetPluginRule = new PluginCreateRule(Widget.class);
          digester.addRule("root/gadget", gadgetPluginRule);
          digester.addSetNext("root/gadget", "addGadget");
  
          MultiContainer root = new MultiContainer();
          digester.push(root);
          
          try {
              digester.parse(
                  TestAll.getInputStream(this, "test7.xml"));
          } catch(Exception e) {
              throw e;
          }
  
          Object child;
          
          List widgets = root.getWidgets();
          assertTrue(widgets != null);
          assertEquals(4, widgets.size());
  
          assertEquals(TextLabel2.class, widgets.get(0).getClass());
          assertEquals(TextLabel2.class, widgets.get(1).getClass());
          assertEquals(TextLabel2.class, widgets.get(2).getClass());
          assertEquals(TextLabel2.class, widgets.get(3).getClass());
          
          List gadgets = root.getGadgets();
          assertTrue(gadgets != null);
          assertEquals(4, gadgets.size());
  
          assertEquals(TextLabel.class, gadgets.get(0).getClass());
          assertEquals(TextLabel.class, gadgets.get(1).getClass());
          assertEquals(TextLabel.class, gadgets.get(2).getClass());
          assertEquals(TextLabel.class, gadgets.get(3).getClass());
      }
      
      // inner classes used for testing
      
      public static class MultiContainer {
          private LinkedList widgets = new LinkedList();
          private LinkedList gadgets = new LinkedList();
      
          public MultiContainer() {}
          
          public void addWidget(Widget child) {
              widgets.add(child);
          }
      
          public List getWidgets() {
              return widgets;
          }
  
          public void addGadget(Widget child) {
              gadgets.add(child);
          }
      
          public List getGadgets() {
              return gadgets;
          }
      }
  }
  
  
  

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