/* $Id: TestDefaultPlugin.java 1212519 2011-12-09 17:01:07Z sebb $
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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 or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.commons.digester3.plugins;
import static org.junit.Assert.*;
import java.util.List;
import org.apache.commons.digester3.Digester;
import org.apache.commons.digester3.plugins.PluginConfigurationException;
import org.apache.commons.digester3.plugins.PluginCreateRule;
import org.apache.commons.digester3.plugins.PluginInvalidInputException;
import org.apache.commons.digester3.plugins.PluginRules;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.impl.NoOpLog;
import org.junit.Test;
import org.xml.sax.SAXParseException;
public class TestDefaultPlugin
{
// --------------------------------------------------------------- Test cases
@Test
public void testDefaultPlugins1()
throws Exception
{
// * tests that when a PluginCreateRule is defined with a default
// class, that the default class is instantiated when no class
// or id is specified in the xml file.
Digester digester = new Digester();
PluginRules rc = new PluginRules();
digester.setRules( rc );
PluginCreateRule pcr = new PluginCreateRule( Widget.class, TextLabel.class );
digester.addRule( "root/widget", pcr );
digester.addSetNext( "root/widget", "addChild" );
Container root = new Container();
digester.push( root );
digester.parse( Utils.getInputStream( this, "test2.xml" ) );
Object child;
List<Widget> children = root.getChildren();
assertNotNull( children );
assertEquals( 3, children.size() );
child = children.get( 0 );
assertNotNull( child );
assertEquals( TextLabel.class, child.getClass() );
TextLabel label1 = (TextLabel) child;
assertEquals( "label1", label1.getLabel() );
child = children.get( 1 );
assertNotNull( child );
assertEquals( TextLabel.class, child.getClass() );
TextLabel label2 = (TextLabel) child;
assertEquals( "label2", label2.getLabel() );
child = children.get( 2 );
assertNotNull( child );
assertEquals( Slider.class, child.getClass() );
Slider slider1 = (Slider) child;
assertEquals( "slider1", slider1.getLabel() );
}
public void testDefaultPlugins2()
throws Exception
{
// * tests that when there is no default plugin, it is an error
// not to have one of plugin-class or plugin-id specified
Digester digester = new Digester();
PluginRules rc = new PluginRules();
digester.setRules( rc );
PluginCreateRule pcr = new PluginCreateRule( Widget.class );
digester.addRule( "root/widget", pcr );
digester.addSetNext( "root/widget", "addChild" );
Container root = new Container();
digester.push( root );
Log oldLog = digester.getLogger();
try
{
digester.setLogger( new NoOpLog() );
digester.parse( Utils.getInputStream( this, "test2.xml" ) );
fail("Expected SAXParseException");
}
catch ( SAXParseException e )
{
assertEquals( PluginInvalidInputException.class, e.getException().getClass() );
}
finally
{
digester.setLogger( oldLog );
}
}
public void testDefaultPlugins3()
throws Exception
{
// * tests that the default plugin must implement or extend the
// plugin base class.
Digester digester = new Digester();
PluginRules rc = new PluginRules();
digester.setRules( rc );
PluginCreateRule pcr = new PluginCreateRule( Widget.class, Object.class );
digester.addRule( "root/widget", pcr );
digester.addSetNext( "root/widget", "addChild" );
Container root = new Container();
digester.push( root );
Log oldLog = digester.getLogger();
try
{
digester.setLogger( new NoOpLog() );
digester.parse( Utils.getInputStream( this, "test2.xml" ) );
fail("Expected SAXParseException");
}
catch ( SAXParseException e )
{
assertEquals( PluginConfigurationException.class, e.getException().getClass() );
}
finally
{
digester.setLogger( oldLog );
}
}
}