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. 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For more * information on the Apache Software Foundation, please see * <http://www.apache.org/>. * */ 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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