/**
* Copyright 2011 meltmedia
*
* 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 or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.xchain.namespaces.jsl;
import java.util.Iterator;
import javax.xml.namespace.QName;
import org.junit.Test;
import org.xchain.Command;
import org.xchain.framework.sax.SaxEventRecorder;
import org.xml.sax.helpers.AttributesImpl;
/**
* @author Christian Trimble
*/
public class TestNullValueOf
extends BaseTestSaxEvents
{
public static String CATALOG_URI = "resource://context-class-loader/org/xchain/namespaces/jsl/test-null-value-of.xchain";
public static String JSL_NAMESPACE_URI = "http://www.xchain.org/jsl/1.0";
public static QName VALUE_OF_STRING = new QName(JSL_NAMESPACE_URI, "value-of-string");
public static QName VALUE_OF_INTEGER = new QName(JSL_NAMESPACE_URI, "value-of-integer");
public static QName VALUE_OF_NESTED_STRING = new QName(JSL_NAMESPACE_URI, "value-of-nested-string");
public static QName VALUE_OF_NESTED_INTEGER = new QName(JSL_NAMESPACE_URI, "value-of-nested-integer");
protected Command command = null;
public TestNullValueOf()
{
catalogUri = CATALOG_URI;
}
/**
* Creates a NullTestObject and returns it.
*/
public Object createContextObject()
{
NullTestObject object = new NullTestObject();
object.setNested(new NullTestObject());
return object;
}
/**
* Validates that selecting a null string will produce the output "" instead of "null".
*/
@Test public void testValueOfString()
throws Exception
{
executeValueOf(VALUE_OF_STRING);
}
@Test public void testValueOfInteger()
throws Exception
{
executeValueOf(VALUE_OF_INTEGER);
}
@Test public void testValueOfNestedString()
throws Exception
{
executeValueOf(VALUE_OF_NESTED_STRING);
}
@Test public void testValueOfNestedInteger()
throws Exception
{
executeValueOf(VALUE_OF_NESTED_INTEGER);
}
public void executeValueOf(QName templateName)
throws Exception
{
// get the command.
Command command = catalog.getCommand(templateName);
// track document and element events.
recorder.setTrackDocumentEvents(true);
recorder.setTrackElementEvents(true);
recorder.setTrackCharactersEvents(true);
// execute the command.
command.execute(context);
Iterator<SaxEventRecorder.SaxEvent> eventIterator = recorder.getEventList().iterator();
// check the document.
assertStartDocument(eventIterator);
assertStartElement(eventIterator, "", "element", null);
assertEndElement(eventIterator, "", "element");
assertEndDocument(eventIterator);
assertNoMoreEvents(eventIterator);
}
public static class NullTestObject
{
private Object nested;
public String getString() { return null; }
public Integer getInteger() { return null; }
public Object getNested() { return nested; }
public void setNested( Object nested ) { this.nested = nested; }
}
}